| File: | build/gcc/c-family/c-attribs.cc |
| Warning: | line 4926, column 5 Value stored to 'n' is never read |
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| 1 | /* C-family attributes handling. |
| 2 | Copyright (C) 1992-2023 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GCC. |
| 5 | |
| 6 | GCC is free software; you can redistribute it and/or modify it under |
| 7 | the terms of the GNU General Public License as published by the Free |
| 8 | Software Foundation; either version 3, or (at your option) any later |
| 9 | version. |
| 10 | |
| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GCC; see the file COPYING3. If not see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #define INCLUDE_STRING |
| 21 | #include "config.h" |
| 22 | #include "system.h" |
| 23 | #include "coretypes.h" |
| 24 | #include "target.h" |
| 25 | #include "function.h" |
| 26 | #include "tree.h" |
| 27 | #include "memmodel.h" |
| 28 | #include "c-common.h" |
| 29 | #include "gimple-expr.h" |
| 30 | #include "tm_p.h" |
| 31 | #include "stringpool.h" |
| 32 | #include "cgraph.h" |
| 33 | #include "diagnostic.h" |
| 34 | #include "intl.h" |
| 35 | #include "stor-layout.h" |
| 36 | #include "calls.h" |
| 37 | #include "attribs.h" |
| 38 | #include "varasm.h" |
| 39 | #include "trans-mem.h" |
| 40 | #include "c-objc.h" |
| 41 | #include "common/common-target.h" |
| 42 | #include "langhooks.h" |
| 43 | #include "tree-inline.h" |
| 44 | #include "toplev.h" |
| 45 | #include "tree-iterator.h" |
| 46 | #include "opts.h" |
| 47 | #include "gimplify.h" |
| 48 | #include "tree-pretty-print.h" |
| 49 | #include "gcc-rich-location.h" |
| 50 | |
| 51 | static tree handle_packed_attribute (tree *, tree, tree, int, bool *); |
| 52 | static tree handle_nocommon_attribute (tree *, tree, tree, int, bool *); |
| 53 | static tree handle_common_attribute (tree *, tree, tree, int, bool *); |
| 54 | static tree handle_hot_attribute (tree *, tree, tree, int, bool *); |
| 55 | static tree handle_cold_attribute (tree *, tree, tree, int, bool *); |
| 56 | static tree handle_no_sanitize_attribute (tree *, tree, tree, int, bool *); |
| 57 | static tree handle_no_sanitize_address_attribute (tree *, tree, tree, |
| 58 | int, bool *); |
| 59 | static tree handle_no_sanitize_thread_attribute (tree *, tree, tree, |
| 60 | int, bool *); |
| 61 | static tree handle_no_address_safety_analysis_attribute (tree *, tree, tree, |
| 62 | int, bool *); |
| 63 | static tree handle_no_sanitize_undefined_attribute (tree *, tree, tree, int, |
| 64 | bool *); |
| 65 | static tree handle_no_sanitize_coverage_attribute (tree *, tree, tree, int, |
| 66 | bool *); |
| 67 | static tree handle_asan_odr_indicator_attribute (tree *, tree, tree, int, |
| 68 | bool *); |
| 69 | static tree handle_stack_protect_attribute (tree *, tree, tree, int, bool *); |
| 70 | static tree handle_no_stack_protector_function_attribute (tree *, tree, |
| 71 | tree, int, bool *); |
| 72 | static tree handle_noinline_attribute (tree *, tree, tree, int, bool *); |
| 73 | static tree handle_noclone_attribute (tree *, tree, tree, int, bool *); |
| 74 | static tree handle_nocf_check_attribute (tree *, tree, tree, int, bool *); |
| 75 | static tree handle_symver_attribute (tree *, tree, tree, int, bool *); |
| 76 | static tree handle_noicf_attribute (tree *, tree, tree, int, bool *); |
| 77 | static tree handle_noipa_attribute (tree *, tree, tree, int, bool *); |
| 78 | static tree handle_leaf_attribute (tree *, tree, tree, int, bool *); |
| 79 | static tree handle_always_inline_attribute (tree *, tree, tree, int, |
| 80 | bool *); |
| 81 | static tree handle_gnu_inline_attribute (tree *, tree, tree, int, bool *); |
| 82 | static tree handle_artificial_attribute (tree *, tree, tree, int, bool *); |
| 83 | static tree handle_flatten_attribute (tree *, tree, tree, int, bool *); |
| 84 | static tree handle_error_attribute (tree *, tree, tree, int, bool *); |
| 85 | static tree handle_used_attribute (tree *, tree, tree, int, bool *); |
| 86 | static tree handle_uninitialized_attribute (tree *, tree, tree, int, bool *); |
| 87 | static tree handle_externally_visible_attribute (tree *, tree, tree, int, |
| 88 | bool *); |
| 89 | static tree handle_no_reorder_attribute (tree *, tree, tree, int, |
| 90 | bool *); |
| 91 | static tree handle_const_attribute (tree *, tree, tree, int, bool *); |
| 92 | static tree handle_transparent_union_attribute (tree *, tree, tree, |
| 93 | int, bool *); |
| 94 | static tree handle_scalar_storage_order_attribute (tree *, tree, tree, |
| 95 | int, bool *); |
| 96 | static tree handle_constructor_attribute (tree *, tree, tree, int, bool *); |
| 97 | static tree handle_destructor_attribute (tree *, tree, tree, int, bool *); |
| 98 | static tree handle_mode_attribute (tree *, tree, tree, int, bool *); |
| 99 | static tree handle_section_attribute (tree *, tree, tree, int, bool *); |
| 100 | static tree handle_special_var_sec_attribute (tree *, tree, tree, int, bool *); |
| 101 | static tree handle_aligned_attribute (tree *, tree, tree, int, bool *); |
| 102 | static tree handle_warn_if_not_aligned_attribute (tree *, tree, tree, |
| 103 | int, bool *); |
| 104 | static tree handle_strict_flex_array_attribute (tree *, tree, tree, |
| 105 | int, bool *); |
| 106 | static tree handle_weak_attribute (tree *, tree, tree, int, bool *) ; |
| 107 | static tree handle_noplt_attribute (tree *, tree, tree, int, bool *) ; |
| 108 | static tree handle_alias_ifunc_attribute (bool, tree *, tree, tree, bool *); |
| 109 | static tree handle_ifunc_attribute (tree *, tree, tree, int, bool *); |
| 110 | static tree handle_alias_attribute (tree *, tree, tree, int, bool *); |
| 111 | static tree handle_weakref_attribute (tree *, tree, tree, int, bool *) ; |
| 112 | static tree handle_visibility_attribute (tree *, tree, tree, int, |
| 113 | bool *); |
| 114 | static tree handle_tls_model_attribute (tree *, tree, tree, int, |
| 115 | bool *); |
| 116 | static tree handle_no_instrument_function_attribute (tree *, tree, |
| 117 | tree, int, bool *); |
| 118 | static tree handle_no_profile_instrument_function_attribute (tree *, tree, |
| 119 | tree, int, bool *); |
| 120 | static tree handle_malloc_attribute (tree *, tree, tree, int, bool *); |
| 121 | static tree handle_dealloc_attribute (tree *, tree, tree, int, bool *); |
| 122 | static tree handle_tainted_args_attribute (tree *, tree, tree, int, bool *); |
| 123 | static tree handle_returns_twice_attribute (tree *, tree, tree, int, bool *); |
| 124 | static tree handle_no_limit_stack_attribute (tree *, tree, tree, int, |
| 125 | bool *); |
| 126 | static tree handle_pure_attribute (tree *, tree, tree, int, bool *); |
| 127 | static tree handle_tm_attribute (tree *, tree, tree, int, bool *); |
| 128 | static tree handle_tm_wrap_attribute (tree *, tree, tree, int, bool *); |
| 129 | static tree handle_novops_attribute (tree *, tree, tree, int, bool *); |
| 130 | static tree handle_unavailable_attribute (tree *, tree, tree, int, |
| 131 | bool *); |
| 132 | static tree handle_vector_size_attribute (tree *, tree, tree, int, |
| 133 | bool *) ATTRIBUTE_NONNULL(3)__attribute__ ((__nonnull__ (3))); |
| 134 | static tree handle_vector_mask_attribute (tree *, tree, tree, int, |
| 135 | bool *) ATTRIBUTE_NONNULL(3)__attribute__ ((__nonnull__ (3))); |
| 136 | static tree handle_nonnull_attribute (tree *, tree, tree, int, bool *); |
| 137 | static tree handle_nonstring_attribute (tree *, tree, tree, int, bool *); |
| 138 | static tree handle_nothrow_attribute (tree *, tree, tree, int, bool *); |
| 139 | static tree handle_cleanup_attribute (tree *, tree, tree, int, bool *); |
| 140 | static tree handle_warn_unused_result_attribute (tree *, tree, tree, int, |
| 141 | bool *); |
| 142 | static tree handle_access_attribute (tree *, tree, tree, int, bool *); |
| 143 | |
| 144 | static tree handle_sentinel_attribute (tree *, tree, tree, int, bool *); |
| 145 | static tree handle_type_generic_attribute (tree *, tree, tree, int, bool *); |
| 146 | static tree handle_alloc_size_attribute (tree *, tree, tree, int, bool *); |
| 147 | static tree handle_alloc_align_attribute (tree *, tree, tree, int, bool *); |
| 148 | static tree handle_assume_aligned_attribute (tree *, tree, tree, int, bool *); |
| 149 | static tree handle_assume_attribute (tree *, tree, tree, int, bool *); |
| 150 | static tree handle_target_attribute (tree *, tree, tree, int, bool *); |
| 151 | static tree handle_target_clones_attribute (tree *, tree, tree, int, bool *); |
| 152 | static tree handle_optimize_attribute (tree *, tree, tree, int, bool *); |
| 153 | static tree ignore_attribute (tree *, tree, tree, int, bool *); |
| 154 | static tree handle_no_split_stack_attribute (tree *, tree, tree, int, bool *); |
| 155 | static tree handle_zero_call_used_regs_attribute (tree *, tree, tree, int, |
| 156 | bool *); |
| 157 | static tree handle_argspec_attribute (tree *, tree, tree, int, bool *); |
| 158 | static tree handle_fnspec_attribute (tree *, tree, tree, int, bool *); |
| 159 | static tree handle_warn_unused_attribute (tree *, tree, tree, int, bool *); |
| 160 | static tree handle_returns_nonnull_attribute (tree *, tree, tree, int, bool *); |
| 161 | static tree handle_omp_declare_simd_attribute (tree *, tree, tree, int, |
| 162 | bool *); |
| 163 | static tree handle_omp_declare_variant_attribute (tree *, tree, tree, int, |
| 164 | bool *); |
| 165 | static tree handle_simd_attribute (tree *, tree, tree, int, bool *); |
| 166 | static tree handle_omp_declare_target_attribute (tree *, tree, tree, int, |
| 167 | bool *); |
| 168 | static tree handle_non_overlapping_attribute (tree *, tree, tree, int, bool *); |
| 169 | static tree handle_designated_init_attribute (tree *, tree, tree, int, bool *); |
| 170 | static tree handle_patchable_function_entry_attribute (tree *, tree, tree, |
| 171 | int, bool *); |
| 172 | static tree handle_copy_attribute (tree *, tree, tree, int, bool *); |
| 173 | static tree handle_nsobject_attribute (tree *, tree, tree, int, bool *); |
| 174 | static tree handle_objc_root_class_attribute (tree *, tree, tree, int, bool *); |
| 175 | static tree handle_objc_nullability_attribute (tree *, tree, tree, int, bool *); |
| 176 | static tree handle_signed_bool_precision_attribute (tree *, tree, tree, int, |
| 177 | bool *); |
| 178 | static tree handle_retain_attribute (tree *, tree, tree, int, bool *); |
| 179 | static tree handle_fd_arg_attribute (tree *, tree, tree, int, bool *); |
| 180 | |
| 181 | /* Helper to define attribute exclusions. */ |
| 182 | #define ATTR_EXCL(name, function, type, variable){ name, function, type, variable } \ |
| 183 | { name, function, type, variable } |
| 184 | |
| 185 | /* Define attributes that are mutually exclusive with one another. */ |
| 186 | static const struct attribute_spec::exclusions attr_aligned_exclusions[] = |
| 187 | { |
| 188 | /* Attribute name exclusion applies to: |
| 189 | function, type, variable */ |
| 190 | ATTR_EXCL ("aligned", true, false, false){ "aligned", true, false, false }, |
| 191 | ATTR_EXCL ("packed", true, false, false){ "packed", true, false, false }, |
| 192 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false } |
| 193 | }; |
| 194 | |
| 195 | extern const struct attribute_spec::exclusions attr_cold_hot_exclusions[] = |
| 196 | { |
| 197 | ATTR_EXCL ("cold", true, true, true){ "cold", true, true, true }, |
| 198 | ATTR_EXCL ("hot", true, true, true){ "hot", true, true, true }, |
| 199 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false } |
| 200 | }; |
| 201 | |
| 202 | static const struct attribute_spec::exclusions attr_common_exclusions[] = |
| 203 | { |
| 204 | ATTR_EXCL ("common", true, true, true){ "common", true, true, true }, |
| 205 | ATTR_EXCL ("nocommon", true, true, true){ "nocommon", true, true, true }, |
| 206 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 207 | }; |
| 208 | |
| 209 | static const struct attribute_spec::exclusions attr_inline_exclusions[] = |
| 210 | { |
| 211 | ATTR_EXCL ("noinline", true, true, true){ "noinline", true, true, true }, |
| 212 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 213 | }; |
| 214 | |
| 215 | static const struct attribute_spec::exclusions attr_noinline_exclusions[] = |
| 216 | { |
| 217 | ATTR_EXCL ("always_inline", true, true, true){ "always_inline", true, true, true }, |
| 218 | ATTR_EXCL ("gnu_inline", true, true, true){ "gnu_inline", true, true, true }, |
| 219 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 220 | }; |
| 221 | |
| 222 | extern const struct attribute_spec::exclusions attr_noreturn_exclusions[] = |
| 223 | { |
| 224 | ATTR_EXCL ("alloc_align", true, true, true){ "alloc_align", true, true, true }, |
| 225 | ATTR_EXCL ("alloc_size", true, true, true){ "alloc_size", true, true, true }, |
| 226 | ATTR_EXCL ("const", true, true, true){ "const", true, true, true }, |
| 227 | ATTR_EXCL ("malloc", true, true, true){ "malloc", true, true, true }, |
| 228 | ATTR_EXCL ("pure", true, true, true){ "pure", true, true, true }, |
| 229 | ATTR_EXCL ("returns_twice", true, true, true){ "returns_twice", true, true, true }, |
| 230 | ATTR_EXCL ("warn_unused_result", true, true, true){ "warn_unused_result", true, true, true }, |
| 231 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 232 | }; |
| 233 | |
| 234 | static const struct attribute_spec::exclusions |
| 235 | attr_warn_unused_result_exclusions[] = |
| 236 | { |
| 237 | ATTR_EXCL ("noreturn", true, true, true){ "noreturn", true, true, true }, |
| 238 | ATTR_EXCL ("warn_unused_result", true, true, true){ "warn_unused_result", true, true, true }, |
| 239 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 240 | }; |
| 241 | |
| 242 | static const struct attribute_spec::exclusions attr_returns_twice_exclusions[] = |
| 243 | { |
| 244 | ATTR_EXCL ("noreturn", true, true, true){ "noreturn", true, true, true }, |
| 245 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 246 | }; |
| 247 | |
| 248 | /* Exclusions that apply to attribute alloc_align, alloc_size, and malloc. */ |
| 249 | static const struct attribute_spec::exclusions attr_alloc_exclusions[] = |
| 250 | { |
| 251 | ATTR_EXCL ("const", true, true, true){ "const", true, true, true }, |
| 252 | ATTR_EXCL ("noreturn", true, true, true){ "noreturn", true, true, true }, |
| 253 | ATTR_EXCL ("pure", true, true, true){ "pure", true, true, true }, |
| 254 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 255 | }; |
| 256 | |
| 257 | static const struct attribute_spec::exclusions attr_const_pure_exclusions[] = |
| 258 | { |
| 259 | ATTR_EXCL ("const", true, true, true){ "const", true, true, true }, |
| 260 | ATTR_EXCL ("alloc_align", true, true, true){ "alloc_align", true, true, true }, |
| 261 | ATTR_EXCL ("alloc_size", true, true, true){ "alloc_size", true, true, true }, |
| 262 | ATTR_EXCL ("malloc", true, true, true){ "malloc", true, true, true }, |
| 263 | ATTR_EXCL ("noreturn", true, true, true){ "noreturn", true, true, true }, |
| 264 | ATTR_EXCL ("pure", true, true, true){ "pure", true, true, true }, |
| 265 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false } |
| 266 | }; |
| 267 | |
| 268 | /* Exclusions that apply to attributes that put declarations in specific |
| 269 | sections. */ |
| 270 | static const struct attribute_spec::exclusions attr_section_exclusions[] = |
| 271 | { |
| 272 | ATTR_EXCL ("noinit", true, true, true){ "noinit", true, true, true }, |
| 273 | ATTR_EXCL ("persistent", true, true, true){ "persistent", true, true, true }, |
| 274 | ATTR_EXCL ("section", true, true, true){ "section", true, true, true }, |
| 275 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 276 | }; |
| 277 | |
| 278 | static const struct attribute_spec::exclusions attr_stack_protect_exclusions[] = |
| 279 | { |
| 280 | ATTR_EXCL ("stack_protect", true, false, false){ "stack_protect", true, false, false }, |
| 281 | ATTR_EXCL ("no_stack_protector", true, false, false){ "no_stack_protector", true, false, false }, |
| 282 | ATTR_EXCL (NULL, false, false, false){ nullptr, false, false, false }, |
| 283 | }; |
| 284 | |
| 285 | |
| 286 | /* Table of machine-independent attributes common to all C-like languages. |
| 287 | |
| 288 | Current list of processed common attributes: nonnull. */ |
| 289 | const struct attribute_spec c_common_attribute_table[] = |
| 290 | { |
| 291 | /* { name, min_len, max_len, decl_req, type_req, fn_type_req, |
| 292 | affects_type_identity, handler, exclude } */ |
| 293 | { "signed_bool_precision", 1, 1, false, true, false, true, |
| 294 | handle_signed_bool_precision_attribute, NULLnullptr }, |
| 295 | { "packed", 0, 0, false, false, false, false, |
| 296 | handle_packed_attribute, |
| 297 | attr_aligned_exclusions }, |
| 298 | { "nocommon", 0, 0, true, false, false, false, |
| 299 | handle_nocommon_attribute, |
| 300 | attr_common_exclusions }, |
| 301 | { "common", 0, 0, true, false, false, false, |
| 302 | handle_common_attribute, |
| 303 | attr_common_exclusions }, |
| 304 | /* FIXME: logically, noreturn attributes should be listed as |
| 305 | "false, true, true" and apply to function types. But implementing this |
| 306 | would require all the places in the compiler that use TREE_THIS_VOLATILE |
| 307 | on a decl to identify non-returning functions to be located and fixed |
| 308 | to check the function type instead. */ |
| 309 | { "noreturn", 0, 0, true, false, false, false, |
| 310 | handle_noreturn_attribute, |
| 311 | attr_noreturn_exclusions }, |
| 312 | { "volatile", 0, 0, true, false, false, false, |
| 313 | handle_noreturn_attribute, NULLnullptr }, |
| 314 | { "stack_protect", 0, 0, true, false, false, false, |
| 315 | handle_stack_protect_attribute, |
| 316 | attr_stack_protect_exclusions }, |
| 317 | { "no_stack_protector", 0, 0, true, false, false, false, |
| 318 | handle_no_stack_protector_function_attribute, |
| 319 | attr_stack_protect_exclusions }, |
| 320 | { "noinline", 0, 0, true, false, false, false, |
| 321 | handle_noinline_attribute, |
| 322 | attr_noinline_exclusions }, |
| 323 | { "noclone", 0, 0, true, false, false, false, |
| 324 | handle_noclone_attribute, NULLnullptr }, |
| 325 | { "no_icf", 0, 0, true, false, false, false, |
| 326 | handle_noicf_attribute, NULLnullptr }, |
| 327 | { "noipa", 0, 0, true, false, false, false, |
| 328 | handle_noipa_attribute, NULLnullptr }, |
| 329 | { "leaf", 0, 0, true, false, false, false, |
| 330 | handle_leaf_attribute, NULLnullptr }, |
| 331 | { "always_inline", 0, 0, true, false, false, false, |
| 332 | handle_always_inline_attribute, |
| 333 | attr_inline_exclusions }, |
| 334 | { "gnu_inline", 0, 0, true, false, false, false, |
| 335 | handle_gnu_inline_attribute, |
| 336 | attr_inline_exclusions }, |
| 337 | { "artificial", 0, 0, true, false, false, false, |
| 338 | handle_artificial_attribute, NULLnullptr }, |
| 339 | { "flatten", 0, 0, true, false, false, false, |
| 340 | handle_flatten_attribute, NULLnullptr }, |
| 341 | { "used", 0, 0, true, false, false, false, |
| 342 | handle_used_attribute, NULLnullptr }, |
| 343 | { "unused", 0, 0, false, false, false, false, |
| 344 | handle_unused_attribute, NULLnullptr }, |
| 345 | { "uninitialized", 0, 0, true, false, false, false, |
| 346 | handle_uninitialized_attribute, NULLnullptr }, |
| 347 | { "retain", 0, 0, true, false, false, false, |
| 348 | handle_retain_attribute, NULLnullptr }, |
| 349 | { "externally_visible", 0, 0, true, false, false, false, |
| 350 | handle_externally_visible_attribute, NULLnullptr }, |
| 351 | { "no_reorder", 0, 0, true, false, false, false, |
| 352 | handle_no_reorder_attribute, NULLnullptr }, |
| 353 | /* The same comments as for noreturn attributes apply to const ones. */ |
| 354 | { "const", 0, 0, true, false, false, false, |
| 355 | handle_const_attribute, |
| 356 | attr_const_pure_exclusions }, |
| 357 | { "scalar_storage_order", 1, 1, false, false, false, false, |
| 358 | handle_scalar_storage_order_attribute, NULLnullptr }, |
| 359 | { "transparent_union", 0, 0, false, false, false, false, |
| 360 | handle_transparent_union_attribute, NULLnullptr }, |
| 361 | { "constructor", 0, 1, true, false, false, false, |
| 362 | handle_constructor_attribute, NULLnullptr }, |
| 363 | { "destructor", 0, 1, true, false, false, false, |
| 364 | handle_destructor_attribute, NULLnullptr }, |
| 365 | { "mode", 1, 1, false, true, false, false, |
| 366 | handle_mode_attribute, NULLnullptr }, |
| 367 | { "section", 1, 1, true, false, false, false, |
| 368 | handle_section_attribute, attr_section_exclusions }, |
| 369 | { "aligned", 0, 1, false, false, false, false, |
| 370 | handle_aligned_attribute, |
| 371 | attr_aligned_exclusions }, |
| 372 | { "warn_if_not_aligned", 0, 1, false, false, false, false, |
| 373 | handle_warn_if_not_aligned_attribute, NULLnullptr }, |
| 374 | { "strict_flex_array", 1, 1, true, false, false, false, |
| 375 | handle_strict_flex_array_attribute, NULLnullptr }, |
| 376 | { "weak", 0, 0, true, false, false, false, |
| 377 | handle_weak_attribute, NULLnullptr }, |
| 378 | { "noplt", 0, 0, true, false, false, false, |
| 379 | handle_noplt_attribute, NULLnullptr }, |
| 380 | { "ifunc", 1, 1, true, false, false, false, |
| 381 | handle_ifunc_attribute, NULLnullptr }, |
| 382 | { "alias", 1, 1, true, false, false, false, |
| 383 | handle_alias_attribute, NULLnullptr }, |
| 384 | { "weakref", 0, 1, true, false, false, false, |
| 385 | handle_weakref_attribute, NULLnullptr }, |
| 386 | { "no_instrument_function", 0, 0, true, false, false, false, |
| 387 | handle_no_instrument_function_attribute, |
| 388 | NULLnullptr }, |
| 389 | { "no_profile_instrument_function", 0, 0, true, false, false, false, |
| 390 | handle_no_profile_instrument_function_attribute, |
| 391 | NULLnullptr }, |
| 392 | { "malloc", 0, 2, true, false, false, false, |
| 393 | handle_malloc_attribute, attr_alloc_exclusions }, |
| 394 | { "returns_twice", 0, 0, true, false, false, false, |
| 395 | handle_returns_twice_attribute, |
| 396 | attr_returns_twice_exclusions }, |
| 397 | { "no_stack_limit", 0, 0, true, false, false, false, |
| 398 | handle_no_limit_stack_attribute, NULLnullptr }, |
| 399 | { "pure", 0, 0, true, false, false, false, |
| 400 | handle_pure_attribute, |
| 401 | attr_const_pure_exclusions }, |
| 402 | { "transaction_callable", 0, 0, false, true, false, false, |
| 403 | handle_tm_attribute, NULLnullptr }, |
| 404 | { "transaction_unsafe", 0, 0, false, true, false, true, |
| 405 | handle_tm_attribute, NULLnullptr }, |
| 406 | { "transaction_safe", 0, 0, false, true, false, true, |
| 407 | handle_tm_attribute, NULLnullptr }, |
| 408 | { "transaction_safe_dynamic", 0, 0, true, false, false, false, |
| 409 | handle_tm_attribute, NULLnullptr }, |
| 410 | { "transaction_may_cancel_outer", 0, 0, false, true, false, false, |
| 411 | handle_tm_attribute, NULLnullptr }, |
| 412 | /* ??? These two attributes didn't make the transition from the |
| 413 | Intel language document to the multi-vendor language document. */ |
| 414 | { "transaction_pure", 0, 0, false, true, false, false, |
| 415 | handle_tm_attribute, NULLnullptr }, |
| 416 | { "transaction_wrap", 1, 1, true, false, false, false, |
| 417 | handle_tm_wrap_attribute, NULLnullptr }, |
| 418 | /* For internal use (marking of builtins) only. The name contains space |
| 419 | to prevent its usage in source code. */ |
| 420 | { "no vops", 0, 0, true, false, false, false, |
| 421 | handle_novops_attribute, NULLnullptr }, |
| 422 | { "deprecated", 0, 1, false, false, false, false, |
| 423 | handle_deprecated_attribute, NULLnullptr }, |
| 424 | { "unavailable", 0, 1, false, false, false, false, |
| 425 | handle_unavailable_attribute, NULLnullptr }, |
| 426 | { "vector_size", 1, 1, false, true, false, true, |
| 427 | handle_vector_size_attribute, NULLnullptr }, |
| 428 | { "vector_mask", 0, 0, false, true, false, true, |
| 429 | handle_vector_mask_attribute, NULLnullptr }, |
| 430 | { "visibility", 1, 1, false, false, false, false, |
| 431 | handle_visibility_attribute, NULLnullptr }, |
| 432 | { "tls_model", 1, 1, true, false, false, false, |
| 433 | handle_tls_model_attribute, NULLnullptr }, |
| 434 | { "nonnull", 0, -1, false, true, true, false, |
| 435 | handle_nonnull_attribute, NULLnullptr }, |
| 436 | { "nonstring", 0, 0, true, false, false, false, |
| 437 | handle_nonstring_attribute, NULLnullptr }, |
| 438 | { "nothrow", 0, 0, true, false, false, false, |
| 439 | handle_nothrow_attribute, NULLnullptr }, |
| 440 | { "may_alias", 0, 0, false, true, false, false, NULLnullptr, NULLnullptr }, |
| 441 | { "cleanup", 1, 1, true, false, false, false, |
| 442 | handle_cleanup_attribute, NULLnullptr }, |
| 443 | { "warn_unused_result", 0, 0, false, true, true, false, |
| 444 | handle_warn_unused_result_attribute, |
| 445 | attr_warn_unused_result_exclusions }, |
| 446 | { "sentinel", 0, 1, false, true, true, false, |
| 447 | handle_sentinel_attribute, NULLnullptr }, |
| 448 | /* For internal use (marking of builtins) only. The name contains space |
| 449 | to prevent its usage in source code. */ |
| 450 | { "type generic", 0, 0, false, true, true, false, |
| 451 | handle_type_generic_attribute, NULLnullptr }, |
| 452 | { "alloc_size", 1, 2, false, true, true, false, |
| 453 | handle_alloc_size_attribute, |
| 454 | attr_alloc_exclusions }, |
| 455 | { "cold", 0, 0, true, false, false, false, |
| 456 | handle_cold_attribute, |
| 457 | attr_cold_hot_exclusions }, |
| 458 | { "hot", 0, 0, true, false, false, false, |
| 459 | handle_hot_attribute, |
| 460 | attr_cold_hot_exclusions }, |
| 461 | { "no_address_safety_analysis", |
| 462 | 0, 0, true, false, false, false, |
| 463 | handle_no_address_safety_analysis_attribute, |
| 464 | NULLnullptr }, |
| 465 | { "no_sanitize", 1, -1, true, false, false, false, |
| 466 | handle_no_sanitize_attribute, NULLnullptr }, |
| 467 | { "no_sanitize_address", 0, 0, true, false, false, false, |
| 468 | handle_no_sanitize_address_attribute, NULLnullptr }, |
| 469 | { "no_sanitize_thread", 0, 0, true, false, false, false, |
| 470 | handle_no_sanitize_thread_attribute, NULLnullptr }, |
| 471 | { "no_sanitize_undefined", 0, 0, true, false, false, false, |
| 472 | handle_no_sanitize_undefined_attribute, NULLnullptr }, |
| 473 | { "no_sanitize_coverage", 0, 0, true, false, false, false, |
| 474 | handle_no_sanitize_coverage_attribute, NULLnullptr }, |
| 475 | { "asan odr indicator", 0, 0, true, false, false, false, |
| 476 | handle_asan_odr_indicator_attribute, NULLnullptr }, |
| 477 | { "warning", 1, 1, true, false, false, false, |
| 478 | handle_error_attribute, NULLnullptr }, |
| 479 | { "error", 1, 1, true, false, false, false, |
| 480 | handle_error_attribute, NULLnullptr }, |
| 481 | { "target", 1, -1, true, false, false, false, |
| 482 | handle_target_attribute, NULLnullptr }, |
| 483 | { "target_clones", 1, -1, true, false, false, false, |
| 484 | handle_target_clones_attribute, NULLnullptr }, |
| 485 | { "optimize", 1, -1, true, false, false, false, |
| 486 | handle_optimize_attribute, NULLnullptr }, |
| 487 | /* For internal use only. The leading '*' both prevents its usage in |
| 488 | source code and signals that it may be overridden by machine tables. */ |
| 489 | { "*tm regparm", 0, 0, false, true, true, false, |
| 490 | ignore_attribute, NULLnullptr }, |
| 491 | { "no_split_stack", 0, 0, true, false, false, false, |
| 492 | handle_no_split_stack_attribute, NULLnullptr }, |
| 493 | { "zero_call_used_regs", 1, 1, true, false, false, false, |
| 494 | handle_zero_call_used_regs_attribute, NULLnullptr }, |
| 495 | /* For internal use only (marking of function arguments). |
| 496 | The name contains a space to prevent its usage in source code. */ |
| 497 | { "arg spec", 1, -1, true, false, false, false, |
| 498 | handle_argspec_attribute, NULLnullptr }, |
| 499 | /* For internal use (marking of builtins and runtime functions) only. |
| 500 | The name contains space to prevent its usage in source code. */ |
| 501 | { "fn spec", 1, 1, false, true, true, false, |
| 502 | handle_fnspec_attribute, NULLnullptr }, |
| 503 | { "warn_unused", 0, 0, false, false, false, false, |
| 504 | handle_warn_unused_attribute, NULLnullptr }, |
| 505 | { "returns_nonnull", 0, 0, false, true, true, false, |
| 506 | handle_returns_nonnull_attribute, NULLnullptr }, |
| 507 | { "omp declare simd", 0, -1, true, false, false, false, |
| 508 | handle_omp_declare_simd_attribute, NULLnullptr }, |
| 509 | { "omp declare variant base", 0, -1, true, false, false, false, |
| 510 | handle_omp_declare_variant_attribute, NULLnullptr }, |
| 511 | { "omp declare variant variant", 0, -1, true, false, false, false, |
| 512 | handle_omp_declare_variant_attribute, NULLnullptr }, |
| 513 | { "simd", 0, 1, true, false, false, false, |
| 514 | handle_simd_attribute, NULLnullptr }, |
| 515 | { "omp declare target", 0, -1, true, false, false, false, |
| 516 | handle_omp_declare_target_attribute, NULLnullptr }, |
| 517 | { "omp declare target link", 0, 0, true, false, false, false, |
| 518 | handle_omp_declare_target_attribute, NULLnullptr }, |
| 519 | { "omp declare target implicit", 0, 0, true, false, false, false, |
| 520 | handle_omp_declare_target_attribute, NULLnullptr }, |
| 521 | { "omp declare target host", 0, 0, true, false, false, false, |
| 522 | handle_omp_declare_target_attribute, NULLnullptr }, |
| 523 | { "omp declare target nohost", 0, 0, true, false, false, false, |
| 524 | handle_omp_declare_target_attribute, NULLnullptr }, |
| 525 | { "omp declare target block", 0, 0, true, false, false, false, |
| 526 | handle_omp_declare_target_attribute, NULLnullptr }, |
| 527 | { "non overlapping", 0, 0, true, false, false, false, |
| 528 | handle_non_overlapping_attribute, NULLnullptr }, |
| 529 | { "alloc_align", 1, 1, false, true, true, false, |
| 530 | handle_alloc_align_attribute, |
| 531 | attr_alloc_exclusions }, |
| 532 | { "assume_aligned", 1, 2, false, true, true, false, |
| 533 | handle_assume_aligned_attribute, NULLnullptr }, |
| 534 | { "designated_init", 0, 0, false, true, false, false, |
| 535 | handle_designated_init_attribute, NULLnullptr }, |
| 536 | { "fallthrough", 0, 0, false, false, false, false, |
| 537 | handle_fallthrough_attribute, NULLnullptr }, |
| 538 | { "assume", 1, 1, false, false, false, false, |
| 539 | handle_assume_attribute, NULLnullptr }, |
| 540 | { "patchable_function_entry", 1, 2, true, false, false, false, |
| 541 | handle_patchable_function_entry_attribute, |
| 542 | NULLnullptr }, |
| 543 | { "nocf_check", 0, 0, false, true, true, true, |
| 544 | handle_nocf_check_attribute, NULLnullptr }, |
| 545 | { "symver", 1, -1, true, false, false, false, |
| 546 | handle_symver_attribute, NULLnullptr}, |
| 547 | { "copy", 1, 1, false, false, false, false, |
| 548 | handle_copy_attribute, NULLnullptr }, |
| 549 | { "noinit", 0, 0, true, false, false, false, |
| 550 | handle_special_var_sec_attribute, attr_section_exclusions }, |
| 551 | { "persistent", 0, 0, true, false, false, false, |
| 552 | handle_special_var_sec_attribute, attr_section_exclusions }, |
| 553 | { "access", 1, 3, false, true, true, false, |
| 554 | handle_access_attribute, NULLnullptr }, |
| 555 | /* Attributes used by Objective-C. */ |
| 556 | { "NSObject", 0, 0, true, false, false, false, |
| 557 | handle_nsobject_attribute, NULLnullptr }, |
| 558 | { "objc_root_class", 0, 0, true, false, false, false, |
| 559 | handle_objc_root_class_attribute, NULLnullptr }, |
| 560 | { "objc_nullability", 1, 1, true, false, false, false, |
| 561 | handle_objc_nullability_attribute, NULLnullptr }, |
| 562 | { "*dealloc", 1, 2, true, false, false, false, |
| 563 | handle_dealloc_attribute, NULLnullptr }, |
| 564 | { "tainted_args", 0, 0, true, false, false, false, |
| 565 | handle_tainted_args_attribute, NULLnullptr }, |
| 566 | { "fd_arg", 1, 1, false, true, true, false, |
| 567 | handle_fd_arg_attribute, NULLnullptr}, |
| 568 | { "fd_arg_read", 1, 1, false, true, true, false, |
| 569 | handle_fd_arg_attribute, NULLnullptr}, |
| 570 | { "fd_arg_write", 1, 1, false, true, true, false, |
| 571 | handle_fd_arg_attribute, NULLnullptr}, |
| 572 | { NULLnullptr, 0, 0, false, false, false, false, NULLnullptr, NULLnullptr } |
| 573 | }; |
| 574 | |
| 575 | /* Give the specifications for the format attributes, used by C and all |
| 576 | descendants. |
| 577 | |
| 578 | Current list of processed format attributes: format, format_arg. */ |
| 579 | const struct attribute_spec c_common_format_attribute_table[] = |
| 580 | { |
| 581 | /* { name, min_len, max_len, decl_req, type_req, fn_type_req, |
| 582 | affects_type_identity, handler, exclude } */ |
| 583 | { "format", 3, 3, false, true, true, false, |
| 584 | handle_format_attribute, NULLnullptr }, |
| 585 | { "format_arg", 1, 1, false, true, true, false, |
| 586 | handle_format_arg_attribute, NULLnullptr }, |
| 587 | { NULLnullptr, 0, 0, false, false, false, false, NULLnullptr, NULLnullptr } |
| 588 | }; |
| 589 | |
| 590 | /* Returns TRUE iff the attribute indicated by ATTR_ID takes a plain |
| 591 | identifier as an argument, so the front end shouldn't look it up. */ |
| 592 | |
| 593 | bool |
| 594 | attribute_takes_identifier_p (const_tree attr_id) |
| 595 | { |
| 596 | const struct attribute_spec *spec = lookup_attribute_spec (attr_id); |
| 597 | if (spec == NULLnullptr) |
| 598 | /* Unknown attribute that we'll end up ignoring, return true so we |
| 599 | don't complain about an identifier argument. */ |
| 600 | return true; |
| 601 | else if (!strcmp ("mode", spec->name) |
| 602 | || !strcmp ("format", spec->name) |
| 603 | || !strcmp ("cleanup", spec->name) |
| 604 | || !strcmp ("access", spec->name)) |
| 605 | return true; |
| 606 | else |
| 607 | return targetm.attribute_takes_identifier_p (attr_id); |
| 608 | } |
| 609 | |
| 610 | /* Verify that argument value POS at position ARGNO to attribute NAME |
| 611 | applied to function FN (which is either a function declaration or function |
| 612 | type) refers to a function parameter at position POS and the expected type |
| 613 | CODE. Treat CODE == INTEGER_TYPE as matching all C integral types except |
| 614 | bool. If successful, return POS after default conversions (and possibly |
| 615 | adjusted by ADJUST_POS). Otherwise, issue appropriate warnings and return |
| 616 | null. A non-zero 1-based ARGNO should be passed in by callers only for |
| 617 | attributes with more than one argument. |
| 618 | |
| 619 | N.B. This function modifies POS. */ |
| 620 | |
| 621 | tree |
| 622 | positional_argument (const_tree fn, const_tree atname, tree &pos, |
| 623 | tree_code code, int argno /* = 0 */, |
| 624 | int flags /* = posargflags () */) |
| 625 | { |
| 626 | const_tree fndecl = TYPE_P (fn)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (fn)->base.code))] == tcc_type) ? NULL_TREE(tree) nullptr : fn; |
| 627 | const_tree fntype = TYPE_P (fn)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (fn)->base.code))] == tcc_type) ? fn : TREE_TYPE (fn)((contains_struct_check ((fn), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 627, __FUNCTION__))->typed.type); |
| 628 | if (pos && TREE_CODE (pos)((enum tree_code) (pos)->base.code) != IDENTIFIER_NODE |
| 629 | && TREE_CODE (pos)((enum tree_code) (pos)->base.code) != FUNCTION_DECL) |
| 630 | pos = default_conversion (pos); |
| 631 | |
| 632 | tree postype = TREE_TYPE (pos)((contains_struct_check ((pos), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 632, __FUNCTION__))->typed.type); |
| 633 | if (pos == error_mark_nodeglobal_trees[TI_ERROR_MARK] || !postype) |
| 634 | { |
| 635 | /* Only mention the positional argument number when it's non-zero. */ |
| 636 | if (argno < 1) |
| 637 | warning (OPT_Wattributes, |
| 638 | "%qE attribute argument is invalid", atname); |
| 639 | else |
| 640 | warning (OPT_Wattributes, |
| 641 | "%qE attribute argument %i is invalid", atname, argno); |
| 642 | |
| 643 | return NULL_TREE(tree) nullptr; |
| 644 | } |
| 645 | |
| 646 | if (!INTEGRAL_TYPE_P (postype)(((enum tree_code) (postype)->base.code) == ENUMERAL_TYPE || ((enum tree_code) (postype)->base.code) == BOOLEAN_TYPE || ((enum tree_code) (postype)->base.code) == INTEGER_TYPE)) |
| 647 | { |
| 648 | /* Handle this case specially to avoid mentioning the value |
| 649 | of pointer constants in diagnostics. Only mention |
| 650 | the positional argument number when it's non-zero. */ |
| 651 | if (argno < 1) |
| 652 | warning (OPT_Wattributes, |
| 653 | "%qE attribute argument has type %qT", |
| 654 | atname, postype); |
| 655 | else |
| 656 | warning (OPT_Wattributes, |
| 657 | "%qE attribute argument %i has type %qT", |
| 658 | atname, argno, postype); |
| 659 | |
| 660 | return NULL_TREE(tree) nullptr; |
| 661 | } |
| 662 | |
| 663 | if (TREE_CODE (pos)((enum tree_code) (pos)->base.code) != INTEGER_CST) |
| 664 | { |
| 665 | /* Only mention the argument number when it's non-zero. */ |
| 666 | if (argno < 1) |
| 667 | warning (OPT_Wattributes, |
| 668 | "%qE attribute argument value %qE is not an integer " |
| 669 | "constant", |
| 670 | atname, pos); |
| 671 | else |
| 672 | warning (OPT_Wattributes, |
| 673 | "%qE attribute argument %i value %qE is not an integer " |
| 674 | "constant", |
| 675 | atname, argno, pos); |
| 676 | |
| 677 | return NULL_TREE(tree) nullptr; |
| 678 | } |
| 679 | |
| 680 | /* Argument positions are 1-based. */ |
| 681 | if (integer_zerop (pos)) |
| 682 | { |
| 683 | if (flags & POSARG_ZERO) |
| 684 | /* Zero is explicitly allowed. */ |
| 685 | return pos; |
| 686 | |
| 687 | if (argno < 1) |
| 688 | warning (OPT_Wattributes, |
| 689 | "%qE attribute argument value %qE does not refer to " |
| 690 | "a function parameter", |
| 691 | atname, pos); |
| 692 | else |
| 693 | warning (OPT_Wattributes, |
| 694 | "%qE attribute argument %i value %qE does not refer to " |
| 695 | "a function parameter", |
| 696 | atname, argno, pos); |
| 697 | |
| 698 | return NULL_TREE(tree) nullptr; |
| 699 | } |
| 700 | |
| 701 | if (!prototype_p (fntype)) |
| 702 | return pos; |
| 703 | |
| 704 | /* ADJUST_POS is non-zero in C++ when the function type has invisible |
| 705 | parameters generated by the compiler, such as the in-charge or VTT |
| 706 | parameters. */ |
| 707 | const int adjust_pos = maybe_adjust_arg_pos_for_attribute (fndecl); |
| 708 | |
| 709 | /* Verify that the argument position does not exceed the number |
| 710 | of formal arguments to the function. When POSARG_ELLIPSIS |
| 711 | is set, ARGNO may be beyond the last argument of a vararg |
| 712 | function. */ |
| 713 | unsigned nargs = type_num_arguments (fntype); |
| 714 | if (!nargs |
| 715 | || !tree_fits_uhwi_p (pos) |
| 716 | || ((flags & POSARG_ELLIPSIS) == 0 |
| 717 | && !IN_RANGE (tree_to_uhwi (pos) + adjust_pos, 1, nargs)((unsigned long) (tree_to_uhwi (pos) + adjust_pos) - (unsigned long) (1) <= (unsigned long) (nargs) - (unsigned long) (1 )))) |
| 718 | { |
| 719 | |
| 720 | if (argno < 1) |
| 721 | warning (OPT_Wattributes, |
| 722 | "%qE attribute argument value %qE exceeds the number " |
| 723 | "of function parameters %u", |
| 724 | atname, pos, nargs); |
| 725 | else |
| 726 | warning (OPT_Wattributes, |
| 727 | "%qE attribute argument %i value %qE exceeds the number " |
| 728 | "of function parameters %u", |
| 729 | atname, argno, pos, nargs); |
| 730 | return NULL_TREE(tree) nullptr; |
| 731 | } |
| 732 | |
| 733 | /* Verify that the type of the referenced formal argument matches |
| 734 | the expected type. Invisible parameters may have been added by |
| 735 | the compiler, so adjust the position accordingly. */ |
| 736 | unsigned HOST_WIDE_INTlong ipos = tree_to_uhwi (pos) + adjust_pos; |
| 737 | |
| 738 | /* Zero was handled above. */ |
| 739 | gcc_assert (ipos != 0)((void)(!(ipos != 0) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 739, __FUNCTION__), 0 : 0)); |
| 740 | |
| 741 | if (tree argtype = type_argument_type (fntype, ipos)) |
| 742 | { |
| 743 | if (argtype == error_mark_nodeglobal_trees[TI_ERROR_MARK]) |
| 744 | return NULL_TREE(tree) nullptr; |
| 745 | |
| 746 | if (flags & POSARG_ELLIPSIS) |
| 747 | { |
| 748 | if (argno < 1) |
| 749 | error ("%qE attribute argument value %qE does not refer to " |
| 750 | "a variable argument list", |
| 751 | atname, pos); |
| 752 | else |
| 753 | error ("%qE attribute argument %i value %qE does not refer to " |
| 754 | "a variable argument list", |
| 755 | atname, argno, pos); |
| 756 | return NULL_TREE(tree) nullptr; |
| 757 | } |
| 758 | |
| 759 | /* Where the expected code is STRING_CST accept any pointer |
| 760 | expected by attribute format (this includes possibly qualified |
| 761 | char pointers and, for targets like Darwin, also pointers to |
| 762 | struct CFString). */ |
| 763 | bool type_match; |
| 764 | if (code == STRING_CST) |
| 765 | type_match = valid_format_string_type_p (argtype); |
| 766 | else if (code == INTEGER_TYPE) |
| 767 | /* For integers, accept enums, wide characters and other types |
| 768 | that match INTEGRAL_TYPE_P except for bool. */ |
| 769 | type_match = (INTEGRAL_TYPE_P (argtype)(((enum tree_code) (argtype)->base.code) == ENUMERAL_TYPE || ((enum tree_code) (argtype)->base.code) == BOOLEAN_TYPE || ((enum tree_code) (argtype)->base.code) == INTEGER_TYPE) |
| 770 | && TREE_CODE (argtype)((enum tree_code) (argtype)->base.code) != BOOLEAN_TYPE); |
| 771 | else |
| 772 | type_match = TREE_CODE (argtype)((enum tree_code) (argtype)->base.code) == code; |
| 773 | |
| 774 | if (!type_match) |
| 775 | { |
| 776 | if (code == STRING_CST) |
| 777 | { |
| 778 | /* Reject invalid format strings with an error. */ |
| 779 | if (argno < 1) |
| 780 | error ("%qE attribute argument value %qE refers to " |
| 781 | "parameter type %qT", |
| 782 | atname, pos, argtype); |
| 783 | else |
| 784 | error ("%qE attribute argument %i value %qE refers to " |
| 785 | "parameter type %qT", |
| 786 | atname, argno, pos, argtype); |
| 787 | |
| 788 | return NULL_TREE(tree) nullptr; |
| 789 | } |
| 790 | |
| 791 | if (argno < 1) |
| 792 | warning (OPT_Wattributes, |
| 793 | "%qE attribute argument value %qE refers to " |
| 794 | "parameter type %qT", |
| 795 | atname, pos, argtype); |
| 796 | else |
| 797 | warning (OPT_Wattributes, |
| 798 | "%qE attribute argument %i value %qE refers to " |
| 799 | "parameter type %qT", |
| 800 | atname, argno, pos, argtype); |
| 801 | return NULL_TREE(tree) nullptr; |
| 802 | } |
| 803 | } |
| 804 | else if (!(flags & POSARG_ELLIPSIS)) |
| 805 | { |
| 806 | if (argno < 1) |
| 807 | warning (OPT_Wattributes, |
| 808 | "%qE attribute argument value %qE refers to " |
| 809 | "a variadic function parameter of unknown type", |
| 810 | atname, pos); |
| 811 | else |
| 812 | warning (OPT_Wattributes, |
| 813 | "%qE attribute argument %i value %qE refers to " |
| 814 | "a variadic function parameter of unknown type", |
| 815 | atname, argno, pos); |
| 816 | return NULL_TREE(tree) nullptr; |
| 817 | } |
| 818 | |
| 819 | return build_int_cst (TREE_TYPE (pos)((contains_struct_check ((pos), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 819, __FUNCTION__))->typed.type), ipos); |
| 820 | } |
| 821 | |
| 822 | /* Return the first of DECL or TYPE attributes installed in NODE if it's |
| 823 | a DECL, or TYPE attributes if it's a TYPE, or null otherwise. */ |
| 824 | |
| 825 | static tree |
| 826 | decl_or_type_attrs (tree node) |
| 827 | { |
| 828 | if (DECL_P (node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (node)->base.code))] == tcc_declaration)) |
| 829 | { |
| 830 | if (tree attrs = DECL_ATTRIBUTES (node)((contains_struct_check ((node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 830, __FUNCTION__))->decl_common.attributes)) |
| 831 | return attrs; |
| 832 | |
| 833 | tree type = TREE_TYPE (node)((contains_struct_check ((node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 833, __FUNCTION__))->typed.type); |
| 834 | if (type == error_mark_nodeglobal_trees[TI_ERROR_MARK]) |
| 835 | return NULL_TREE(tree) nullptr; |
| 836 | return TYPE_ATTRIBUTES (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 836, __FUNCTION__))->type_common.attributes); |
| 837 | } |
| 838 | |
| 839 | if (TYPE_P (node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (node)->base.code))] == tcc_type)) |
| 840 | return TYPE_ATTRIBUTES (node)((tree_class_check ((node), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 840, __FUNCTION__))->type_common.attributes); |
| 841 | |
| 842 | return NULL_TREE(tree) nullptr; |
| 843 | } |
| 844 | |
| 845 | /* Given a pair of NODEs for arbitrary DECLs or TYPEs, validate one or |
| 846 | two integral or string attribute arguments NEWARGS to be applied to |
| 847 | NODE[0] for the absence of conflicts with the same attribute arguments |
| 848 | already applied to NODE[1]. Issue a warning for conflicts and return |
| 849 | false. Otherwise, when no conflicts are found, return true. */ |
| 850 | |
| 851 | static bool |
| 852 | validate_attr_args (tree node[2], tree name, tree newargs[2]) |
| 853 | { |
| 854 | /* First validate the arguments against those already applied to |
| 855 | the same declaration (or type). */ |
| 856 | tree self[2] = { node[0], node[0] }; |
| 857 | if (node[0] != node[1] && !validate_attr_args (self, name, newargs)) |
| 858 | return false; |
| 859 | |
| 860 | if (!node[1]) |
| 861 | return true; |
| 862 | |
| 863 | /* Extract the same attribute from the previous declaration or type. */ |
| 864 | tree prevattr = decl_or_type_attrs (node[1]); |
| 865 | const char* const namestr = IDENTIFIER_POINTER (name)((const char *) (tree_check ((name), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 865, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ); |
| 866 | prevattr = lookup_attribute (namestr, prevattr); |
| 867 | if (!prevattr) |
| 868 | return true; |
| 869 | |
| 870 | /* Extract one or both attribute arguments. */ |
| 871 | tree prevargs[2]; |
| 872 | prevargs[0] = TREE_VALUE (TREE_VALUE (prevattr))((tree_check ((((tree_check ((prevattr), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 872, __FUNCTION__, (TREE_LIST)))->list.value)), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 872, __FUNCTION__, (TREE_LIST)))->list.value); |
| 873 | prevargs[1] = TREE_CHAIN (TREE_VALUE (prevattr))((contains_struct_check ((((tree_check ((prevattr), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 873, __FUNCTION__, (TREE_LIST)))->list.value)), (TS_COMMON ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 873, __FUNCTION__))->common.chain); |
| 874 | if (prevargs[1]) |
| 875 | prevargs[1] = TREE_VALUE (prevargs[1])((tree_check ((prevargs[1]), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 875, __FUNCTION__, (TREE_LIST)))->list.value); |
| 876 | |
| 877 | /* Both arguments must be equal or, for the second pair, neither must |
| 878 | be provided to succeed. */ |
| 879 | bool arg1eq, arg2eq; |
| 880 | if (TREE_CODE (newargs[0])((enum tree_code) (newargs[0])->base.code) == INTEGER_CST) |
| 881 | { |
| 882 | arg1eq = tree_int_cst_equal (newargs[0], prevargs[0]); |
| 883 | if (newargs[1] && prevargs[1]) |
| 884 | arg2eq = tree_int_cst_equal (newargs[1], prevargs[1]); |
| 885 | else |
| 886 | arg2eq = newargs[1] == prevargs[1]; |
| 887 | } |
| 888 | else if (TREE_CODE (newargs[0])((enum tree_code) (newargs[0])->base.code) == STRING_CST) |
| 889 | { |
| 890 | const char *s0 = TREE_STRING_POINTER (newargs[0])((const char *)((tree_check ((newargs[0]), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 890, __FUNCTION__, (STRING_CST)))->string.str)); |
| 891 | const char *s1 = TREE_STRING_POINTER (prevargs[0])((const char *)((tree_check ((prevargs[0]), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 891, __FUNCTION__, (STRING_CST)))->string.str)); |
| 892 | arg1eq = strcmp (s0, s1) == 0; |
| 893 | if (newargs[1] && prevargs[1]) |
| 894 | { |
| 895 | s0 = TREE_STRING_POINTER (newargs[1])((const char *)((tree_check ((newargs[1]), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 895, __FUNCTION__, (STRING_CST)))->string.str)); |
| 896 | s1 = TREE_STRING_POINTER (prevargs[1])((const char *)((tree_check ((prevargs[1]), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 896, __FUNCTION__, (STRING_CST)))->string.str)); |
| 897 | arg2eq = strcmp (s0, s1) == 0; |
| 898 | } |
| 899 | else |
| 900 | arg2eq = newargs[1] == prevargs[1]; |
| 901 | } |
| 902 | else |
| 903 | gcc_unreachable ()(fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 903, __FUNCTION__)); |
| 904 | |
| 905 | if (arg1eq && arg2eq) |
| 906 | return true; |
| 907 | |
| 908 | /* If the two locations are different print a note pointing to |
| 909 | the previous one. */ |
| 910 | const location_t curloc = input_location; |
| 911 | const location_t prevloc = |
| 912 | DECL_P (node[1])(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (node[1])->base.code))] == tcc_declaration) ? DECL_SOURCE_LOCATION (node[1])((contains_struct_check ((node[1]), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 912, __FUNCTION__))->decl_minimal.locus) : curloc; |
| 913 | |
| 914 | /* Format the attribute specification for convenience. */ |
| 915 | char newspec[80], prevspec[80]; |
| 916 | if (newargs[1]) |
| 917 | snprintf (newspec, sizeof newspec, "%s (%s, %s)", namestr, |
| 918 | print_generic_expr_to_str (newargs[0]), |
| 919 | print_generic_expr_to_str (newargs[1])); |
| 920 | else |
| 921 | snprintf (newspec, sizeof newspec, "%s (%s)", namestr, |
| 922 | print_generic_expr_to_str (newargs[0])); |
| 923 | |
| 924 | if (prevargs[1]) |
| 925 | snprintf (prevspec, sizeof prevspec, "%s (%s, %s)", namestr, |
| 926 | print_generic_expr_to_str (prevargs[0]), |
| 927 | print_generic_expr_to_str (prevargs[1])); |
| 928 | else |
| 929 | snprintf (prevspec, sizeof prevspec, "%s (%s)", namestr, |
| 930 | print_generic_expr_to_str (prevargs[0])); |
| 931 | |
| 932 | if (warning_at (curloc, OPT_Wattributes, |
| 933 | "ignoring attribute %qs because it conflicts " |
| 934 | "with previous %qs", |
| 935 | newspec, prevspec) |
| 936 | && curloc != prevloc) |
| 937 | inform (prevloc, "previous declaration here"); |
| 938 | |
| 939 | return false; |
| 940 | } |
| 941 | |
| 942 | /* Convenience wrapper for validate_attr_args to validate a single |
| 943 | attribute argument. Used by handlers for attributes that take |
| 944 | just a single argument. */ |
| 945 | |
| 946 | static bool |
| 947 | validate_attr_arg (tree node[2], tree name, tree newarg) |
| 948 | { |
| 949 | tree argarray[2] = { newarg, NULL_TREE(tree) nullptr }; |
| 950 | return validate_attr_args (node, name, argarray); |
| 951 | } |
| 952 | |
| 953 | /* Attribute handlers common to C front ends. */ |
| 954 | |
| 955 | /* Handle a "signed_bool_precision" attribute; arguments as in |
| 956 | struct attribute_spec.handler. */ |
| 957 | |
| 958 | static tree |
| 959 | handle_signed_bool_precision_attribute (tree *node, tree name, tree args, |
| 960 | int, bool *no_add_attrs) |
| 961 | { |
| 962 | *no_add_attrs = true; |
| 963 | if (!flag_gimpleglobal_options.x_flag_gimple) |
| 964 | { |
| 965 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 966 | return NULL_TREE(tree) nullptr; |
| 967 | } |
| 968 | |
| 969 | if (!TYPE_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_type) || TREE_CODE (*node)((enum tree_code) (*node)->base.code) != BOOLEAN_TYPE) |
| 970 | { |
| 971 | warning (OPT_Wattributes, "%qE attribute only supported on " |
| 972 | "boolean types", name); |
| 973 | return NULL_TREE(tree) nullptr; |
| 974 | } |
| 975 | |
| 976 | unsigned HOST_WIDE_INTlong prec = HOST_WIDE_INT_M1U-1UL; |
| 977 | if (tree_fits_uhwi_p (TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 977, __FUNCTION__, (TREE_LIST)))->list.value))) |
| 978 | prec = tree_to_uhwi (TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 978, __FUNCTION__, (TREE_LIST)))->list.value)); |
| 979 | if (prec > MAX_FIXED_MODE_SIZEGET_MODE_BITSIZE (((global_options.x_ix86_isa_flags & (1UL << 1)) != 0) ? (scalar_int_mode ((scalar_int_mode::from_int ) E_TImode)) : (scalar_int_mode ((scalar_int_mode::from_int) E_DImode )))) |
| 980 | { |
| 981 | warning (OPT_Wattributes, "%qE attribute with unsupported boolean " |
| 982 | "precision", name); |
| 983 | return NULL_TREE(tree) nullptr; |
| 984 | } |
| 985 | |
| 986 | tree new_type = build_nonstandard_boolean_type (prec); |
| 987 | *node = lang_hooks.types.reconstruct_complex_type (*node, new_type); |
| 988 | |
| 989 | return NULL_TREE(tree) nullptr; |
| 990 | } |
| 991 | |
| 992 | /* Handle a "packed" attribute; arguments as in |
| 993 | struct attribute_spec.handler. */ |
| 994 | |
| 995 | static tree |
| 996 | handle_packed_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 997 | int flags, bool *no_add_attrs) |
| 998 | { |
| 999 | if (TYPE_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_type)) |
| 1000 | { |
| 1001 | if (!(flags & (int) ATTR_FLAG_TYPE_IN_PLACE)) |
| 1002 | { |
| 1003 | warning (OPT_Wattributes, |
| 1004 | "%qE attribute ignored for type %qT", name, *node); |
| 1005 | *no_add_attrs = true; |
| 1006 | } |
| 1007 | else |
| 1008 | TYPE_PACKED (*node)((tree_class_check ((*node), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1008, __FUNCTION__))->base.u.bits.packed_flag) = 1; |
| 1009 | } |
| 1010 | else if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FIELD_DECL) |
| 1011 | { |
| 1012 | if (TYPE_ALIGN (TREE_TYPE (*node))(((tree_class_check ((((contains_struct_check ((*node), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1012, __FUNCTION__))->typed.type)), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1012, __FUNCTION__))->type_common.align) ? ((unsigned)1) << (((tree_class_check ((((contains_struct_check ((*node ), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1012, __FUNCTION__))->typed.type)), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1012, __FUNCTION__))->type_common.align) - 1) : 0) <= BITS_PER_UNIT(8) |
| 1013 | /* Still pack bitfields. */ |
| 1014 | && ! DECL_C_BIT_FIELD (*node)(((contains_struct_check (((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1014, __FUNCTION__, (FIELD_DECL)))), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1014, __FUNCTION__))->decl_common.lang_flag_4) == 1)) |
| 1015 | warning (OPT_Wattributes, |
| 1016 | "%qE attribute ignored for field of type %qT", |
| 1017 | name, TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1017, __FUNCTION__))->typed.type)); |
| 1018 | else |
| 1019 | DECL_PACKED (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1019, __FUNCTION__, (FIELD_DECL)))->base.u.bits.packed_flag ) = 1; |
| 1020 | } |
| 1021 | /* We can't set DECL_PACKED for a VAR_DECL, because the bit is |
| 1022 | used for DECL_REGISTER. It wouldn't mean anything anyway. |
| 1023 | We can't set DECL_PACKED on the type of a TYPE_DECL, because |
| 1024 | that changes what the typedef is typing. */ |
| 1025 | else |
| 1026 | { |
| 1027 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1028 | *no_add_attrs = true; |
| 1029 | } |
| 1030 | |
| 1031 | return NULL_TREE(tree) nullptr; |
| 1032 | } |
| 1033 | |
| 1034 | /* Handle a "nocommon" attribute; arguments as in |
| 1035 | struct attribute_spec.handler. */ |
| 1036 | |
| 1037 | static tree |
| 1038 | handle_nocommon_attribute (tree *node, tree name, |
| 1039 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1040 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1041 | { |
| 1042 | if (VAR_P (*node)(((enum tree_code) (*node)->base.code) == VAR_DECL)) |
| 1043 | DECL_COMMON (*node)((contains_struct_check ((*node), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1043, __FUNCTION__))->decl_with_vis.common_flag) = 0; |
| 1044 | else |
| 1045 | { |
| 1046 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1047 | *no_add_attrs = true; |
| 1048 | } |
| 1049 | |
| 1050 | return NULL_TREE(tree) nullptr; |
| 1051 | } |
| 1052 | |
| 1053 | /* Handle a "common" attribute; arguments as in |
| 1054 | struct attribute_spec.handler. */ |
| 1055 | |
| 1056 | static tree |
| 1057 | handle_common_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1058 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1059 | { |
| 1060 | if (VAR_P (*node)(((enum tree_code) (*node)->base.code) == VAR_DECL)) |
| 1061 | DECL_COMMON (*node)((contains_struct_check ((*node), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1061, __FUNCTION__))->decl_with_vis.common_flag) = 1; |
| 1062 | else |
| 1063 | { |
| 1064 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1065 | *no_add_attrs = true; |
| 1066 | } |
| 1067 | |
| 1068 | return NULL_TREE(tree) nullptr; |
| 1069 | } |
| 1070 | |
| 1071 | /* Handle a "noreturn" attribute; arguments as in |
| 1072 | struct attribute_spec.handler. */ |
| 1073 | |
| 1074 | tree |
| 1075 | handle_noreturn_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1076 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1077 | { |
| 1078 | tree type = TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1078, __FUNCTION__))->typed.type); |
| 1079 | |
| 1080 | /* See FIXME comment in c_common_attribute_table. */ |
| 1081 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL |
| 1082 | || objc_method_decl (TREE_CODE (*node)((enum tree_code) (*node)->base.code))) |
| 1083 | TREE_THIS_VOLATILE (*node)((*node)->base.volatile_flag) = 1; |
| 1084 | else if (TREE_CODE (type)((enum tree_code) (type)->base.code) == POINTER_TYPE |
| 1085 | && TREE_CODE (TREE_TYPE (type))((enum tree_code) (((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1085, __FUNCTION__))->typed.type))->base.code) == FUNCTION_TYPE) |
| 1086 | TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1086, __FUNCTION__))->typed.type) |
| 1087 | = (build_qualified_type |
| 1088 | (build_pointer_type |
| 1089 | (build_type_variant (TREE_TYPE (type),build_qualified_type ((((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1089, __FUNCTION__))->typed.type)), ((((tree_class_check ((((contains_struct_check ((type), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1090, __FUNCTION__))->typed.type)), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1090, __FUNCTION__))->base.readonly_flag)) ? TYPE_QUAL_CONST : 0) | ((1) ? TYPE_QUAL_VOLATILE : 0)) |
| 1090 | TYPE_READONLY (TREE_TYPE (type)), 1)build_qualified_type ((((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1089, __FUNCTION__))->typed.type)), ((((tree_class_check ((((contains_struct_check ((type), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1090, __FUNCTION__))->typed.type)), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1090, __FUNCTION__))->base.readonly_flag)) ? TYPE_QUAL_CONST : 0) | ((1) ? TYPE_QUAL_VOLATILE : 0))), |
| 1091 | TYPE_QUALS (type)((int) ((((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1091, __FUNCTION__))->base.readonly_flag) * TYPE_QUAL_CONST ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1091, __FUNCTION__))->base.volatile_flag) * TYPE_QUAL_VOLATILE ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1091, __FUNCTION__))->base.u.bits.atomic_flag) * TYPE_QUAL_ATOMIC ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1091, __FUNCTION__))->type_common.restrict_flag) * TYPE_QUAL_RESTRICT ) | (((((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1091, __FUNCTION__))->base.u.bits.address_space) & 0xFF ) << 8)))))); |
| 1092 | else |
| 1093 | { |
| 1094 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1095 | *no_add_attrs = true; |
| 1096 | } |
| 1097 | |
| 1098 | return NULL_TREE(tree) nullptr; |
| 1099 | } |
| 1100 | |
| 1101 | /* Handle a "hot" and attribute; arguments as in |
| 1102 | struct attribute_spec.handler. */ |
| 1103 | |
| 1104 | static tree |
| 1105 | handle_hot_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1106 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1107 | { |
| 1108 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL |
| 1109 | || TREE_CODE (*node)((enum tree_code) (*node)->base.code) == LABEL_DECL) |
| 1110 | { |
| 1111 | /* Attribute hot processing is done later with lookup_attribute. */ |
| 1112 | } |
| 1113 | else |
| 1114 | { |
| 1115 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1116 | *no_add_attrs = true; |
| 1117 | } |
| 1118 | |
| 1119 | return NULL_TREE(tree) nullptr; |
| 1120 | } |
| 1121 | |
| 1122 | /* Handle a "cold" and attribute; arguments as in |
| 1123 | struct attribute_spec.handler. */ |
| 1124 | |
| 1125 | static tree |
| 1126 | handle_cold_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1127 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1128 | { |
| 1129 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL |
| 1130 | || TREE_CODE (*node)((enum tree_code) (*node)->base.code) == LABEL_DECL) |
| 1131 | { |
| 1132 | /* Attribute cold processing is done later with lookup_attribute. */ |
| 1133 | } |
| 1134 | else |
| 1135 | { |
| 1136 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1137 | *no_add_attrs = true; |
| 1138 | } |
| 1139 | |
| 1140 | return NULL_TREE(tree) nullptr; |
| 1141 | } |
| 1142 | |
| 1143 | /* Add FLAGS for a function NODE to no_sanitize_flags in DECL_ATTRIBUTES. */ |
| 1144 | |
| 1145 | void |
| 1146 | add_no_sanitize_value (tree node, unsigned int flags) |
| 1147 | { |
| 1148 | tree attr = lookup_attribute ("no_sanitize", DECL_ATTRIBUTES (node)((contains_struct_check ((node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1148, __FUNCTION__))->decl_common.attributes)); |
| 1149 | if (attr) |
| 1150 | { |
| 1151 | unsigned int old_value = tree_to_uhwi (TREE_VALUE (attr)((tree_check ((attr), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1151, __FUNCTION__, (TREE_LIST)))->list.value)); |
| 1152 | flags |= old_value; |
| 1153 | |
| 1154 | if (flags == old_value) |
| 1155 | return; |
| 1156 | |
| 1157 | TREE_VALUE (attr)((tree_check ((attr), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1157, __FUNCTION__, (TREE_LIST)))->list.value) = build_int_cst (unsigned_type_nodeinteger_types[itk_unsigned_int], flags); |
| 1158 | } |
| 1159 | else |
| 1160 | DECL_ATTRIBUTES (node)((contains_struct_check ((node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1160, __FUNCTION__))->decl_common.attributes) |
| 1161 | = tree_cons (get_identifier ("no_sanitize")(__builtin_constant_p ("no_sanitize") ? get_identifier_with_length (("no_sanitize"), strlen ("no_sanitize")) : get_identifier ( "no_sanitize")), |
| 1162 | build_int_cst (unsigned_type_nodeinteger_types[itk_unsigned_int], flags), |
| 1163 | DECL_ATTRIBUTES (node)((contains_struct_check ((node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1163, __FUNCTION__))->decl_common.attributes)); |
| 1164 | } |
| 1165 | |
| 1166 | /* Handle a "no_sanitize" attribute; arguments as in |
| 1167 | struct attribute_spec.handler. */ |
| 1168 | |
| 1169 | static tree |
| 1170 | handle_no_sanitize_attribute (tree *node, tree name, tree args, int, |
| 1171 | bool *no_add_attrs) |
| 1172 | { |
| 1173 | unsigned int flags = 0; |
| 1174 | *no_add_attrs = true; |
| 1175 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1176 | { |
| 1177 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1178 | return NULL_TREE(tree) nullptr; |
| 1179 | } |
| 1180 | |
| 1181 | for (; args; args = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1181, __FUNCTION__))->common.chain)) |
| 1182 | { |
| 1183 | tree id = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1183, __FUNCTION__, (TREE_LIST)))->list.value); |
| 1184 | if (TREE_CODE (id)((enum tree_code) (id)->base.code) != STRING_CST) |
| 1185 | { |
| 1186 | error ("%qE argument not a string", name); |
| 1187 | return NULL_TREE(tree) nullptr; |
| 1188 | } |
| 1189 | |
| 1190 | char *string = ASTRDUP (TREE_STRING_POINTER (id))(__extension__ ({ const char *const libiberty_optr = (((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1190, __FUNCTION__, (STRING_CST)))->string.str))); const unsigned long libiberty_len = strlen (libiberty_optr) + 1; char *const libiberty_nptr = (char *) __builtin_alloca(libiberty_len ); (char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len ); })); |
| 1191 | flags |= parse_no_sanitize_attribute (string); |
| 1192 | } |
| 1193 | |
| 1194 | add_no_sanitize_value (*node, flags); |
| 1195 | |
| 1196 | return NULL_TREE(tree) nullptr; |
| 1197 | } |
| 1198 | |
| 1199 | /* Handle a "no_sanitize_address" attribute; arguments as in |
| 1200 | struct attribute_spec.handler. */ |
| 1201 | |
| 1202 | static tree |
| 1203 | handle_no_sanitize_address_attribute (tree *node, tree name, tree, int, |
| 1204 | bool *no_add_attrs) |
| 1205 | { |
| 1206 | *no_add_attrs = true; |
| 1207 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1208 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1209 | else |
| 1210 | add_no_sanitize_value (*node, SANITIZE_ADDRESS); |
| 1211 | |
| 1212 | return NULL_TREE(tree) nullptr; |
| 1213 | } |
| 1214 | |
| 1215 | /* Handle a "no_sanitize_thread" attribute; arguments as in |
| 1216 | struct attribute_spec.handler. */ |
| 1217 | |
| 1218 | static tree |
| 1219 | handle_no_sanitize_thread_attribute (tree *node, tree name, tree, int, |
| 1220 | bool *no_add_attrs) |
| 1221 | { |
| 1222 | *no_add_attrs = true; |
| 1223 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1224 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1225 | else |
| 1226 | add_no_sanitize_value (*node, SANITIZE_THREAD); |
| 1227 | |
| 1228 | return NULL_TREE(tree) nullptr; |
| 1229 | } |
| 1230 | |
| 1231 | |
| 1232 | /* Handle a "no_address_safety_analysis" attribute; arguments as in |
| 1233 | struct attribute_spec.handler. */ |
| 1234 | |
| 1235 | static tree |
| 1236 | handle_no_address_safety_analysis_attribute (tree *node, tree name, tree, int, |
| 1237 | bool *no_add_attrs) |
| 1238 | { |
| 1239 | *no_add_attrs = true; |
| 1240 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1241 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1242 | else |
| 1243 | add_no_sanitize_value (*node, SANITIZE_ADDRESS); |
| 1244 | |
| 1245 | return NULL_TREE(tree) nullptr; |
| 1246 | } |
| 1247 | |
| 1248 | /* Handle a "no_sanitize_undefined" attribute; arguments as in |
| 1249 | struct attribute_spec.handler. */ |
| 1250 | |
| 1251 | static tree |
| 1252 | handle_no_sanitize_undefined_attribute (tree *node, tree name, tree, int, |
| 1253 | bool *no_add_attrs) |
| 1254 | { |
| 1255 | *no_add_attrs = true; |
| 1256 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1257 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1258 | else |
| 1259 | add_no_sanitize_value (*node, |
| 1260 | SANITIZE_UNDEFINED | SANITIZE_UNDEFINED_NONDEFAULT); |
| 1261 | |
| 1262 | return NULL_TREE(tree) nullptr; |
| 1263 | } |
| 1264 | |
| 1265 | /* Handle a "no_sanitize_coverage" attribute; arguments as in |
| 1266 | struct attribute_spec.handler. */ |
| 1267 | |
| 1268 | static tree |
| 1269 | handle_no_sanitize_coverage_attribute (tree *node, tree name, tree, int, |
| 1270 | bool *no_add_attrs) |
| 1271 | { |
| 1272 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1273 | { |
| 1274 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1275 | *no_add_attrs = true; |
| 1276 | } |
| 1277 | |
| 1278 | return NULL_TREE(tree) nullptr; |
| 1279 | } |
| 1280 | |
| 1281 | /* Handle an "asan odr indicator" attribute; arguments as in |
| 1282 | struct attribute_spec.handler. */ |
| 1283 | |
| 1284 | static tree |
| 1285 | handle_asan_odr_indicator_attribute (tree *, tree, tree, int, bool *) |
| 1286 | { |
| 1287 | return NULL_TREE(tree) nullptr; |
| 1288 | } |
| 1289 | |
| 1290 | /* Handle a "stack_protect" attribute; arguments as in |
| 1291 | struct attribute_spec.handler. */ |
| 1292 | |
| 1293 | static tree |
| 1294 | handle_stack_protect_attribute (tree *node, tree name, tree, int, |
| 1295 | bool *no_add_attrs) |
| 1296 | { |
| 1297 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1298 | { |
| 1299 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1300 | *no_add_attrs = true; |
| 1301 | } |
| 1302 | |
| 1303 | return NULL_TREE(tree) nullptr; |
| 1304 | } |
| 1305 | |
| 1306 | /* Handle a "no_stack_protector" attribute; arguments as in |
| 1307 | struct attribute_spec.handler. */ |
| 1308 | |
| 1309 | static tree |
| 1310 | handle_no_stack_protector_function_attribute (tree *node, tree name, tree, |
| 1311 | int, bool *no_add_attrs) |
| 1312 | { |
| 1313 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1314 | { |
| 1315 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1316 | *no_add_attrs = true; |
| 1317 | } |
| 1318 | |
| 1319 | return NULL_TREE(tree) nullptr; |
| 1320 | } |
| 1321 | |
| 1322 | /* Handle a "noipa" attribute; arguments as in |
| 1323 | struct attribute_spec.handler. */ |
| 1324 | |
| 1325 | static tree |
| 1326 | handle_noipa_attribute (tree *node, tree name, tree, int, bool *no_add_attrs) |
| 1327 | { |
| 1328 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1329 | { |
| 1330 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1331 | *no_add_attrs = true; |
| 1332 | } |
| 1333 | |
| 1334 | return NULL_TREE(tree) nullptr; |
| 1335 | } |
| 1336 | |
| 1337 | /* Handle a "noinline" attribute; arguments as in |
| 1338 | struct attribute_spec.handler. */ |
| 1339 | |
| 1340 | static tree |
| 1341 | handle_noinline_attribute (tree *node, tree name, |
| 1342 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1343 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1344 | { |
| 1345 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL) |
| 1346 | { |
| 1347 | if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (*node)((contains_struct_check ((*node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1347, __FUNCTION__))->decl_common.attributes))) |
| 1348 | { |
| 1349 | warning (OPT_Wattributes, "%qE attribute ignored due to conflict " |
| 1350 | "with attribute %qs", name, "always_inline"); |
| 1351 | *no_add_attrs = true; |
| 1352 | } |
| 1353 | else |
| 1354 | DECL_UNINLINABLE (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1354, __FUNCTION__, (FUNCTION_DECL)))->function_decl.uninlinable ) = 1; |
| 1355 | } |
| 1356 | else |
| 1357 | { |
| 1358 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1359 | *no_add_attrs = true; |
| 1360 | } |
| 1361 | |
| 1362 | return NULL_TREE(tree) nullptr; |
| 1363 | } |
| 1364 | |
| 1365 | /* Handle a "noclone" attribute; arguments as in |
| 1366 | struct attribute_spec.handler. */ |
| 1367 | |
| 1368 | static tree |
| 1369 | handle_noclone_attribute (tree *node, tree name, |
| 1370 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1371 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1372 | { |
| 1373 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1374 | { |
| 1375 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1376 | *no_add_attrs = true; |
| 1377 | } |
| 1378 | |
| 1379 | return NULL_TREE(tree) nullptr; |
| 1380 | } |
| 1381 | |
| 1382 | /* Handle a "nocf_check" attribute; arguments as in |
| 1383 | struct attribute_spec.handler. */ |
| 1384 | |
| 1385 | static tree |
| 1386 | handle_nocf_check_attribute (tree *node, tree name, |
| 1387 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1388 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1389 | { |
| 1390 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_TYPE |
| 1391 | && TREE_CODE (*node)((enum tree_code) (*node)->base.code) != METHOD_TYPE) |
| 1392 | { |
| 1393 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1394 | *no_add_attrs = true; |
| 1395 | } |
| 1396 | else if (!(flag_cf_protectionglobal_options.x_flag_cf_protection & CF_BRANCH)) |
| 1397 | { |
| 1398 | warning (OPT_Wattributes, "%qE attribute ignored. Use " |
| 1399 | "%<-fcf-protection%> option to enable it", |
| 1400 | name); |
| 1401 | *no_add_attrs = true; |
| 1402 | } |
| 1403 | |
| 1404 | return NULL_TREE(tree) nullptr; |
| 1405 | } |
| 1406 | |
| 1407 | /* Handle a "no_icf" attribute; arguments as in |
| 1408 | struct attribute_spec.handler. */ |
| 1409 | |
| 1410 | static tree |
| 1411 | handle_noicf_attribute (tree *node, tree name, |
| 1412 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1413 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1414 | { |
| 1415 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1416 | { |
| 1417 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1418 | *no_add_attrs = true; |
| 1419 | } |
| 1420 | |
| 1421 | return NULL_TREE(tree) nullptr; |
| 1422 | } |
| 1423 | |
| 1424 | |
| 1425 | /* Handle a "always_inline" attribute; arguments as in |
| 1426 | struct attribute_spec.handler. */ |
| 1427 | |
| 1428 | static tree |
| 1429 | handle_always_inline_attribute (tree *node, tree name, |
| 1430 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1431 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 1432 | bool *no_add_attrs) |
| 1433 | { |
| 1434 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL) |
| 1435 | { |
| 1436 | if (lookup_attribute ("noinline", DECL_ATTRIBUTES (*node)((contains_struct_check ((*node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1436, __FUNCTION__))->decl_common.attributes))) |
| 1437 | { |
| 1438 | warning (OPT_Wattributes, "%qE attribute ignored due to conflict " |
| 1439 | "with %qs attribute", name, "noinline"); |
| 1440 | *no_add_attrs = true; |
| 1441 | } |
| 1442 | else if (lookup_attribute ("target_clones", DECL_ATTRIBUTES (*node)((contains_struct_check ((*node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1442, __FUNCTION__))->decl_common.attributes))) |
| 1443 | { |
| 1444 | warning (OPT_Wattributes, "%qE attribute ignored due to conflict " |
| 1445 | "with %qs attribute", name, "target_clones"); |
| 1446 | *no_add_attrs = true; |
| 1447 | } |
| 1448 | else |
| 1449 | /* Set the attribute and mark it for disregarding inline |
| 1450 | limits. */ |
| 1451 | DECL_DISREGARD_INLINE_LIMITS (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1451, __FUNCTION__, (FUNCTION_DECL)))->function_decl.disregard_inline_limits ) = 1; |
| 1452 | } |
| 1453 | else |
| 1454 | { |
| 1455 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1456 | *no_add_attrs = true; |
| 1457 | } |
| 1458 | |
| 1459 | return NULL_TREE(tree) nullptr; |
| 1460 | } |
| 1461 | |
| 1462 | /* Handle a "gnu_inline" attribute; arguments as in |
| 1463 | struct attribute_spec.handler. */ |
| 1464 | |
| 1465 | static tree |
| 1466 | handle_gnu_inline_attribute (tree *node, tree name, |
| 1467 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1468 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 1469 | bool *no_add_attrs) |
| 1470 | { |
| 1471 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1471, __FUNCTION__, (FUNCTION_DECL)))->function_decl.declared_inline_flag )) |
| 1472 | { |
| 1473 | /* Do nothing else, just set the attribute. We'll get at |
| 1474 | it later with lookup_attribute. */ |
| 1475 | } |
| 1476 | else |
| 1477 | { |
| 1478 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1479 | *no_add_attrs = true; |
| 1480 | } |
| 1481 | |
| 1482 | return NULL_TREE(tree) nullptr; |
| 1483 | } |
| 1484 | |
| 1485 | /* Handle a "leaf" attribute; arguments as in |
| 1486 | struct attribute_spec.handler. */ |
| 1487 | |
| 1488 | static tree |
| 1489 | handle_leaf_attribute (tree *node, tree name, |
| 1490 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1491 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1492 | { |
| 1493 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 1494 | { |
| 1495 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1496 | *no_add_attrs = true; |
| 1497 | } |
| 1498 | if (!TREE_PUBLIC (*node)((*node)->base.public_flag)) |
| 1499 | { |
| 1500 | warning (OPT_Wattributes, "%qE attribute has no effect on unit local " |
| 1501 | "functions", name); |
| 1502 | *no_add_attrs = true; |
| 1503 | } |
| 1504 | |
| 1505 | return NULL_TREE(tree) nullptr; |
| 1506 | } |
| 1507 | |
| 1508 | /* Handle an "artificial" attribute; arguments as in |
| 1509 | struct attribute_spec.handler. */ |
| 1510 | |
| 1511 | static tree |
| 1512 | handle_artificial_attribute (tree *node, tree name, |
| 1513 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1514 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 1515 | bool *no_add_attrs) |
| 1516 | { |
| 1517 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1517, __FUNCTION__, (FUNCTION_DECL)))->function_decl.declared_inline_flag )) |
| 1518 | { |
| 1519 | /* Do nothing else, just set the attribute. We'll get at |
| 1520 | it later with lookup_attribute. */ |
| 1521 | } |
| 1522 | else |
| 1523 | { |
| 1524 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1525 | *no_add_attrs = true; |
| 1526 | } |
| 1527 | |
| 1528 | return NULL_TREE(tree) nullptr; |
| 1529 | } |
| 1530 | |
| 1531 | /* Handle a "flatten" attribute; arguments as in |
| 1532 | struct attribute_spec.handler. */ |
| 1533 | |
| 1534 | static tree |
| 1535 | handle_flatten_attribute (tree *node, tree name, |
| 1536 | tree args ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
| 1537 | int flags ATTRIBUTE_UNUSED__attribute__ ((__unused__)), bool *no_add_attrs) |
| 1538 | { |
| 1539 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL) |
| 1540 | /* Do nothing else, just set the attribute. We'll get at |
| 1541 | it later with lookup_attribute. */ |
| 1542 | ; |
| 1543 | else |
| 1544 | { |
| 1545 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1546 | *no_add_attrs = true; |
| 1547 | } |
| 1548 | |
| 1549 | return NULL_TREE(tree) nullptr; |
| 1550 | } |
| 1551 | |
| 1552 | /* Handle a "warning" or "error" attribute; arguments as in |
| 1553 | struct attribute_spec.handler. */ |
| 1554 | |
| 1555 | static tree |
| 1556 | handle_error_attribute (tree *node, tree name, tree args, |
| 1557 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1558 | { |
| 1559 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL |
| 1560 | && TREE_CODE (TREE_VALUE (args))((enum tree_code) (((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1560, __FUNCTION__, (TREE_LIST)))->list.value))->base .code) == STRING_CST) |
| 1561 | /* Do nothing else, just set the attribute. We'll get at |
| 1562 | it later with lookup_attribute. */ |
| 1563 | ; |
| 1564 | else |
| 1565 | { |
| 1566 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1567 | *no_add_attrs = true; |
| 1568 | } |
| 1569 | |
| 1570 | return NULL_TREE(tree) nullptr; |
| 1571 | } |
| 1572 | |
| 1573 | /* Handle a "used" attribute; arguments as in |
| 1574 | struct attribute_spec.handler. */ |
| 1575 | |
| 1576 | static tree |
| 1577 | handle_used_attribute (tree *pnode, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1578 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1579 | { |
| 1580 | tree node = *pnode; |
| 1581 | |
| 1582 | if (TREE_CODE (node)((enum tree_code) (node)->base.code) == FUNCTION_DECL |
| 1583 | || (VAR_P (node)(((enum tree_code) (node)->base.code) == VAR_DECL) && TREE_STATIC (node)((node)->base.static_flag)) |
| 1584 | || (TREE_CODE (node)((enum tree_code) (node)->base.code) == TYPE_DECL)) |
| 1585 | { |
| 1586 | TREE_USED (node)((node)->base.used_flag) = 1; |
| 1587 | DECL_PRESERVE_P (node)(contains_struct_check ((node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1587, __FUNCTION__))->decl_common.preserve_flag = 1; |
| 1588 | if (VAR_P (node)(((enum tree_code) (node)->base.code) == VAR_DECL)) |
| 1589 | DECL_READ_P (node)((tree_check2 ((node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1589, __FUNCTION__, (VAR_DECL), (PARM_DECL)))->decl_common .decl_read_flag) = 1; |
| 1590 | } |
| 1591 | else |
| 1592 | { |
| 1593 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1594 | *no_add_attrs = true; |
| 1595 | } |
| 1596 | |
| 1597 | return NULL_TREE(tree) nullptr; |
| 1598 | } |
| 1599 | |
| 1600 | /* Handle a "unused" attribute; arguments as in |
| 1601 | struct attribute_spec.handler. */ |
| 1602 | |
| 1603 | tree |
| 1604 | handle_unused_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1605 | int flags, bool *no_add_attrs) |
| 1606 | { |
| 1607 | if (DECL_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_declaration)) |
| 1608 | { |
| 1609 | tree decl = *node; |
| 1610 | |
| 1611 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == PARM_DECL |
| 1612 | || VAR_OR_FUNCTION_DECL_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL || ((enum tree_code) (decl)->base.code) == FUNCTION_DECL) |
| 1613 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == LABEL_DECL |
| 1614 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == CONST_DECL |
| 1615 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FIELD_DECL |
| 1616 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == TYPE_DECL) |
| 1617 | { |
| 1618 | TREE_USED (decl)((decl)->base.used_flag) = 1; |
| 1619 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == PARM_DECL) |
| 1620 | DECL_READ_P (decl)((tree_check2 ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1620, __FUNCTION__, (VAR_DECL), (PARM_DECL)))->decl_common .decl_read_flag) = 1; |
| 1621 | } |
| 1622 | else |
| 1623 | { |
| 1624 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1625 | *no_add_attrs = true; |
| 1626 | } |
| 1627 | } |
| 1628 | else |
| 1629 | { |
| 1630 | if (!(flags & (int) ATTR_FLAG_TYPE_IN_PLACE)) |
| 1631 | *node = build_variant_type_copy (*node); |
| 1632 | TREE_USED (*node)((*node)->base.used_flag) = 1; |
| 1633 | } |
| 1634 | |
| 1635 | return NULL_TREE(tree) nullptr; |
| 1636 | } |
| 1637 | |
| 1638 | /* Handle a "retain" attribute; arguments as in |
| 1639 | struct attribute_spec.handler. */ |
| 1640 | |
| 1641 | static tree |
| 1642 | handle_retain_attribute (tree *pnode, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1643 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1644 | { |
| 1645 | tree node = *pnode; |
| 1646 | |
| 1647 | if (SUPPORTS_SHF_GNU_RETAIN1 |
| 1648 | && (TREE_CODE (node)((enum tree_code) (node)->base.code) == FUNCTION_DECL |
| 1649 | || (VAR_P (node)(((enum tree_code) (node)->base.code) == VAR_DECL) && TREE_STATIC (node)((node)->base.static_flag)))) |
| 1650 | ; |
| 1651 | else |
| 1652 | { |
| 1653 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1654 | *no_add_attrs = true; |
| 1655 | } |
| 1656 | |
| 1657 | return NULL_TREE(tree) nullptr; |
| 1658 | } |
| 1659 | |
| 1660 | /* Handle an "uninitialized" attribute; arguments as in |
| 1661 | struct attribute_spec.handler. */ |
| 1662 | |
| 1663 | static tree |
| 1664 | handle_uninitialized_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1665 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 1666 | { |
| 1667 | tree decl = *node; |
| 1668 | if (!VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL)) |
| 1669 | { |
| 1670 | warning (OPT_Wattributes, "%qE attribute ignored because %qD " |
| 1671 | "is not a variable", name, decl); |
| 1672 | *no_add_attrs = true; |
| 1673 | } |
| 1674 | else if (TREE_STATIC (decl)((decl)->base.static_flag) || DECL_EXTERNAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1674, __FUNCTION__))->decl_common.decl_flag_1)) |
| 1675 | { |
| 1676 | warning (OPT_Wattributes, "%qE attribute ignored because %qD " |
| 1677 | "is not a local variable", name, decl); |
| 1678 | *no_add_attrs = true; |
| 1679 | } |
| 1680 | |
| 1681 | return NULL_TREE(tree) nullptr; |
| 1682 | } |
| 1683 | |
| 1684 | /* Handle a "externally_visible" attribute; arguments as in |
| 1685 | struct attribute_spec.handler. */ |
| 1686 | |
| 1687 | static tree |
| 1688 | handle_externally_visible_attribute (tree *pnode, tree name, |
| 1689 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1690 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 1691 | bool *no_add_attrs) |
| 1692 | { |
| 1693 | tree node = *pnode; |
| 1694 | |
| 1695 | if (VAR_OR_FUNCTION_DECL_P (node)(((enum tree_code) (node)->base.code) == VAR_DECL || ((enum tree_code) (node)->base.code) == FUNCTION_DECL)) |
| 1696 | { |
| 1697 | if ((!TREE_STATIC (node)((node)->base.static_flag) && TREE_CODE (node)((enum tree_code) (node)->base.code) != FUNCTION_DECL |
| 1698 | && !DECL_EXTERNAL (node)((contains_struct_check ((node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1698, __FUNCTION__))->decl_common.decl_flag_1)) || !TREE_PUBLIC (node)((node)->base.public_flag)) |
| 1699 | { |
| 1700 | warning (OPT_Wattributes, |
| 1701 | "%qE attribute have effect only on public objects", name); |
| 1702 | *no_add_attrs = true; |
| 1703 | } |
| 1704 | } |
| 1705 | else |
| 1706 | { |
| 1707 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1708 | *no_add_attrs = true; |
| 1709 | } |
| 1710 | |
| 1711 | return NULL_TREE(tree) nullptr; |
| 1712 | } |
| 1713 | |
| 1714 | /* Handle the "no_reorder" attribute. Arguments as in |
| 1715 | struct attribute_spec.handler. */ |
| 1716 | |
| 1717 | static tree |
| 1718 | handle_no_reorder_attribute (tree *pnode, |
| 1719 | tree name, |
| 1720 | tree, |
| 1721 | int, |
| 1722 | bool *no_add_attrs) |
| 1723 | { |
| 1724 | tree node = *pnode; |
| 1725 | |
| 1726 | if (!VAR_OR_FUNCTION_DECL_P (node)(((enum tree_code) (node)->base.code) == VAR_DECL || ((enum tree_code) (node)->base.code) == FUNCTION_DECL) |
| 1727 | && !(TREE_STATIC (node)((node)->base.static_flag) || DECL_EXTERNAL (node)((contains_struct_check ((node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1727, __FUNCTION__))->decl_common.decl_flag_1))) |
| 1728 | { |
| 1729 | warning (OPT_Wattributes, |
| 1730 | "%qE attribute only affects top level objects", |
| 1731 | name); |
| 1732 | *no_add_attrs = true; |
| 1733 | } |
| 1734 | |
| 1735 | return NULL_TREE(tree) nullptr; |
| 1736 | } |
| 1737 | |
| 1738 | /* Handle a "const" attribute; arguments as in |
| 1739 | struct attribute_spec.handler. */ |
| 1740 | |
| 1741 | static tree |
| 1742 | handle_const_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 1743 | int flags, bool *no_add_attrs) |
| 1744 | { |
| 1745 | tree type = TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1745, __FUNCTION__))->typed.type); |
| 1746 | |
| 1747 | /* See FIXME comment on noreturn in c_common_attribute_table. */ |
| 1748 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL) |
| 1749 | TREE_READONLY (*node)((non_type_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1749, __FUNCTION__))->base.readonly_flag) = 1; |
| 1750 | else if (TREE_CODE (type)((enum tree_code) (type)->base.code) == POINTER_TYPE |
| 1751 | && TREE_CODE (TREE_TYPE (type))((enum tree_code) (((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1751, __FUNCTION__))->typed.type))->base.code) == FUNCTION_TYPE) |
| 1752 | TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1752, __FUNCTION__))->typed.type) |
| 1753 | = (build_qualified_type |
| 1754 | (build_pointer_type |
| 1755 | (build_type_variant (TREE_TYPE (type), 1,build_qualified_type ((((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1755, __FUNCTION__))->typed.type)), ((1) ? TYPE_QUAL_CONST : 0) | ((((((contains_struct_check ((type), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1756, __FUNCTION__))->typed.type))->base.volatile_flag )) ? TYPE_QUAL_VOLATILE : 0)) |
| 1756 | TREE_THIS_VOLATILE (TREE_TYPE (type)))build_qualified_type ((((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1755, __FUNCTION__))->typed.type)), ((1) ? TYPE_QUAL_CONST : 0) | ((((((contains_struct_check ((type), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1756, __FUNCTION__))->typed.type))->base.volatile_flag )) ? TYPE_QUAL_VOLATILE : 0))), |
| 1757 | TYPE_QUALS (type)((int) ((((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1757, __FUNCTION__))->base.readonly_flag) * TYPE_QUAL_CONST ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1757, __FUNCTION__))->base.volatile_flag) * TYPE_QUAL_VOLATILE ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1757, __FUNCTION__))->base.u.bits.atomic_flag) * TYPE_QUAL_ATOMIC ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1757, __FUNCTION__))->type_common.restrict_flag) * TYPE_QUAL_RESTRICT ) | (((((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1757, __FUNCTION__))->base.u.bits.address_space) & 0xFF ) << 8)))))); |
| 1758 | else |
| 1759 | { |
| 1760 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1761 | *no_add_attrs = true; |
| 1762 | } |
| 1763 | |
| 1764 | /* void __builtin_unreachable(void) is const. Accept other such |
| 1765 | built-ins but warn on user-defined functions that return void. */ |
| 1766 | if (!(flags & ATTR_FLAG_BUILT_IN) |
| 1767 | && TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL |
| 1768 | && VOID_TYPE_P (TREE_TYPE (type))(((enum tree_code) (((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1768, __FUNCTION__))->typed.type))->base.code) == VOID_TYPE )) |
| 1769 | warning (OPT_Wattributes, "%qE attribute on function " |
| 1770 | "returning %<void%>", name); |
| 1771 | |
| 1772 | return NULL_TREE(tree) nullptr; |
| 1773 | } |
| 1774 | |
| 1775 | /* Handle a "scalar_storage_order" attribute; arguments as in |
| 1776 | struct attribute_spec.handler. */ |
| 1777 | |
| 1778 | static tree |
| 1779 | handle_scalar_storage_order_attribute (tree *node, tree name, tree args, |
| 1780 | int flags, bool *no_add_attrs) |
| 1781 | { |
| 1782 | tree id = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1782, __FUNCTION__, (TREE_LIST)))->list.value); |
| 1783 | tree type; |
| 1784 | |
| 1785 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == TYPE_DECL |
| 1786 | && ! (flags & ATTR_FLAG_CXX11)) |
| 1787 | node = &TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1787, __FUNCTION__))->typed.type); |
| 1788 | type = *node; |
| 1789 | |
| 1790 | if (BYTES_BIG_ENDIAN0 != WORDS_BIG_ENDIAN0) |
| 1791 | { |
| 1792 | error ("%qE attribute is not supported because endianness is not uniform", |
| 1793 | name); |
| 1794 | return NULL_TREE(tree) nullptr; |
| 1795 | } |
| 1796 | |
| 1797 | if (RECORD_OR_UNION_TYPE_P (type)(((enum tree_code) (type)->base.code) == RECORD_TYPE || (( enum tree_code) (type)->base.code) == UNION_TYPE || ((enum tree_code) (type)->base.code) == QUAL_UNION_TYPE) && !c_dialect_cxx ()((c_language & clk_cxx) != 0)) |
| 1798 | { |
| 1799 | bool reverse = false; |
| 1800 | |
| 1801 | if (TREE_CODE (id)((enum tree_code) (id)->base.code) == STRING_CST |
| 1802 | && strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1802, __FUNCTION__, (STRING_CST)))->string.str)), "big-endian") == 0) |
| 1803 | reverse = !BYTES_BIG_ENDIAN0; |
| 1804 | else if (TREE_CODE (id)((enum tree_code) (id)->base.code) == STRING_CST |
| 1805 | && strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1805, __FUNCTION__, (STRING_CST)))->string.str)), "little-endian") == 0) |
| 1806 | reverse = BYTES_BIG_ENDIAN0; |
| 1807 | else |
| 1808 | { |
| 1809 | error ("attribute %qE argument must be one of %qs or %qs", |
| 1810 | name, "big-endian", "little-endian"); |
| 1811 | return NULL_TREE(tree) nullptr; |
| 1812 | } |
| 1813 | |
| 1814 | if (!(flags & (int) ATTR_FLAG_TYPE_IN_PLACE)) |
| 1815 | { |
| 1816 | if (reverse) |
| 1817 | /* A type variant isn't good enough, since we don't want a cast |
| 1818 | to such a type to be removed as a no-op. */ |
| 1819 | *node = type = build_duplicate_type (type); |
| 1820 | } |
| 1821 | |
| 1822 | TYPE_REVERSE_STORAGE_ORDER (type)((tree_check4 ((type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1822, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE ), (ARRAY_TYPE)))->base.u.bits.saturating_flag) = reverse; |
| 1823 | return NULL_TREE(tree) nullptr; |
| 1824 | } |
| 1825 | |
| 1826 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1827 | *no_add_attrs = true; |
| 1828 | return NULL_TREE(tree) nullptr; |
| 1829 | } |
| 1830 | |
| 1831 | /* Handle a "transparent_union" attribute; arguments as in |
| 1832 | struct attribute_spec.handler. */ |
| 1833 | |
| 1834 | static tree |
| 1835 | handle_transparent_union_attribute (tree *node, tree name, |
| 1836 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), int flags, |
| 1837 | bool *no_add_attrs) |
| 1838 | { |
| 1839 | tree type; |
| 1840 | |
| 1841 | *no_add_attrs = true; |
| 1842 | |
| 1843 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == TYPE_DECL |
| 1844 | && ! (flags & ATTR_FLAG_CXX11)) |
| 1845 | node = &TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1845, __FUNCTION__))->typed.type); |
| 1846 | type = *node; |
| 1847 | |
| 1848 | if (TREE_CODE (type)((enum tree_code) (type)->base.code) == UNION_TYPE) |
| 1849 | { |
| 1850 | /* Make sure that the first field will work for a transparent union. |
| 1851 | If the type isn't complete yet, leave the check to the code in |
| 1852 | finish_struct. */ |
| 1853 | if (TYPE_SIZE (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1853, __FUNCTION__))->type_common.size)) |
| 1854 | { |
| 1855 | tree first = first_field (type); |
| 1856 | if (first == NULL_TREE(tree) nullptr |
| 1857 | || DECL_ARTIFICIAL (first)((contains_struct_check ((first), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1857, __FUNCTION__))->decl_common.artificial_flag) |
| 1858 | || TYPE_MODE (type)((((enum tree_code) ((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1858, __FUNCTION__)))->base.code) == VECTOR_TYPE) ? vector_type_mode (type) : (type)->type_common.mode) != DECL_MODE (first)((contains_struct_check ((first), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1858, __FUNCTION__))->decl_common.mode)) |
| 1859 | goto ignored; |
| 1860 | } |
| 1861 | |
| 1862 | if (!(flags & (int) ATTR_FLAG_TYPE_IN_PLACE)) |
| 1863 | { |
| 1864 | /* If the type isn't complete yet, setting the flag |
| 1865 | on a variant wouldn't ever be checked. */ |
| 1866 | if (!TYPE_SIZE (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1866, __FUNCTION__))->type_common.size)) |
| 1867 | goto ignored; |
| 1868 | |
| 1869 | /* build_duplicate_type doesn't work for C++. */ |
| 1870 | if (c_dialect_cxx ()((c_language & clk_cxx) != 0)) |
| 1871 | goto ignored; |
| 1872 | |
| 1873 | /* A type variant isn't good enough, since we don't want a cast |
| 1874 | to such a type to be removed as a no-op. */ |
| 1875 | *node = type = build_duplicate_type (type); |
| 1876 | } |
| 1877 | |
| 1878 | for (tree t = TYPE_MAIN_VARIANT (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1878, __FUNCTION__))->type_common.main_variant); t; t = TYPE_NEXT_VARIANT (t)((tree_class_check ((t), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1878, __FUNCTION__))->type_common.next_variant)) |
| 1879 | TYPE_TRANSPARENT_AGGR (t)((tree_check3 ((t), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1879, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_common.transparent_aggr_flag) = 1; |
| 1880 | return NULL_TREE(tree) nullptr; |
| 1881 | } |
| 1882 | |
| 1883 | ignored: |
| 1884 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1885 | return NULL_TREE(tree) nullptr; |
| 1886 | } |
| 1887 | |
| 1888 | /* Subroutine of handle_{con,de}structor_attribute. Evaluate ARGS to |
| 1889 | get the requested priority for a constructor or destructor, |
| 1890 | possibly issuing diagnostics for invalid or reserved |
| 1891 | priorities. */ |
| 1892 | |
| 1893 | static priority_type |
| 1894 | get_priority (tree args, bool is_destructor) |
| 1895 | { |
| 1896 | HOST_WIDE_INTlong pri; |
| 1897 | tree arg; |
| 1898 | |
| 1899 | if (!args) |
| 1900 | return DEFAULT_INIT_PRIORITY65535; |
| 1901 | |
| 1902 | if (!SUPPORTS_INIT_PRIORITY1) |
| 1903 | { |
| 1904 | if (is_destructor) |
| 1905 | error ("destructor priorities are not supported"); |
| 1906 | else |
| 1907 | error ("constructor priorities are not supported"); |
| 1908 | return DEFAULT_INIT_PRIORITY65535; |
| 1909 | } |
| 1910 | |
| 1911 | arg = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1911, __FUNCTION__, (TREE_LIST)))->list.value); |
| 1912 | if (TREE_CODE (arg)((enum tree_code) (arg)->base.code) == IDENTIFIER_NODE || TREE_CODE (arg)((enum tree_code) (arg)->base.code) == FUNCTION_DECL) |
| 1913 | goto invalid; |
| 1914 | if (arg == error_mark_nodeglobal_trees[TI_ERROR_MARK]) |
| 1915 | return DEFAULT_INIT_PRIORITY65535; |
| 1916 | arg = default_conversion (arg); |
| 1917 | if (!tree_fits_shwi_p (arg) |
| 1918 | || !INTEGRAL_TYPE_P (TREE_TYPE (arg))(((enum tree_code) (((contains_struct_check ((arg), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1918, __FUNCTION__))->typed.type))->base.code) == ENUMERAL_TYPE || ((enum tree_code) (((contains_struct_check ((arg), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1918, __FUNCTION__))->typed.type))->base.code) == BOOLEAN_TYPE || ((enum tree_code) (((contains_struct_check ((arg), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1918, __FUNCTION__))->typed.type))->base.code) == INTEGER_TYPE )) |
| 1919 | goto invalid; |
| 1920 | |
| 1921 | pri = tree_to_shwi (arg); |
| 1922 | if (pri < 0 || pri > MAX_INIT_PRIORITY65535) |
| 1923 | goto invalid; |
| 1924 | |
| 1925 | if (pri <= MAX_RESERVED_INIT_PRIORITY100) |
| 1926 | { |
| 1927 | if (is_destructor) |
| 1928 | warning (OPT_Wprio_ctor_dtor, |
| 1929 | "destructor priorities from 0 to %d are reserved " |
| 1930 | "for the implementation", |
| 1931 | MAX_RESERVED_INIT_PRIORITY100); |
| 1932 | else |
| 1933 | warning (OPT_Wprio_ctor_dtor, |
| 1934 | "constructor priorities from 0 to %d are reserved " |
| 1935 | "for the implementation", |
| 1936 | MAX_RESERVED_INIT_PRIORITY100); |
| 1937 | } |
| 1938 | return pri; |
| 1939 | |
| 1940 | invalid: |
| 1941 | if (is_destructor) |
| 1942 | error ("destructor priorities must be integers from 0 to %d inclusive", |
| 1943 | MAX_INIT_PRIORITY65535); |
| 1944 | else |
| 1945 | error ("constructor priorities must be integers from 0 to %d inclusive", |
| 1946 | MAX_INIT_PRIORITY65535); |
| 1947 | return DEFAULT_INIT_PRIORITY65535; |
| 1948 | } |
| 1949 | |
| 1950 | /* Handle a "constructor" attribute; arguments as in |
| 1951 | struct attribute_spec.handler. */ |
| 1952 | |
| 1953 | static tree |
| 1954 | handle_constructor_attribute (tree *node, tree name, tree args, |
| 1955 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 1956 | bool *no_add_attrs) |
| 1957 | { |
| 1958 | tree decl = *node; |
| 1959 | tree type = TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1959, __FUNCTION__))->typed.type); |
| 1960 | |
| 1961 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL |
| 1962 | && TREE_CODE (type)((enum tree_code) (type)->base.code) == FUNCTION_TYPE |
| 1963 | && decl_function_context (decl) == 0) |
| 1964 | { |
| 1965 | priority_type priority; |
| 1966 | DECL_STATIC_CONSTRUCTOR (decl)((tree_check ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1966, __FUNCTION__, (FUNCTION_DECL)))->function_decl.static_ctor_flag ) = 1; |
| 1967 | priority = get_priority (args, /*is_destructor=*/false); |
| 1968 | SET_DECL_INIT_PRIORITY (decl, priority)(decl_init_priority_insert (decl, priority)); |
| 1969 | TREE_USED (decl)((decl)->base.used_flag) = 1; |
| 1970 | } |
| 1971 | else |
| 1972 | { |
| 1973 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 1974 | *no_add_attrs = true; |
| 1975 | } |
| 1976 | |
| 1977 | return NULL_TREE(tree) nullptr; |
| 1978 | } |
| 1979 | |
| 1980 | /* Handle a "destructor" attribute; arguments as in |
| 1981 | struct attribute_spec.handler. */ |
| 1982 | |
| 1983 | static tree |
| 1984 | handle_destructor_attribute (tree *node, tree name, tree args, |
| 1985 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 1986 | bool *no_add_attrs) |
| 1987 | { |
| 1988 | tree decl = *node; |
| 1989 | tree type = TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1989, __FUNCTION__))->typed.type); |
| 1990 | |
| 1991 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL |
| 1992 | && TREE_CODE (type)((enum tree_code) (type)->base.code) == FUNCTION_TYPE |
| 1993 | && decl_function_context (decl) == 0) |
| 1994 | { |
| 1995 | priority_type priority; |
| 1996 | DECL_STATIC_DESTRUCTOR (decl)((tree_check ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 1996, __FUNCTION__, (FUNCTION_DECL)))->function_decl.static_dtor_flag ) = 1; |
| 1997 | priority = get_priority (args, /*is_destructor=*/true); |
| 1998 | SET_DECL_FINI_PRIORITY (decl, priority)(decl_fini_priority_insert (decl, priority)); |
| 1999 | TREE_USED (decl)((decl)->base.used_flag) = 1; |
| 2000 | } |
| 2001 | else |
| 2002 | { |
| 2003 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 2004 | *no_add_attrs = true; |
| 2005 | } |
| 2006 | |
| 2007 | return NULL_TREE(tree) nullptr; |
| 2008 | } |
| 2009 | |
| 2010 | /* Nonzero if the mode is a valid vector mode for this architecture. |
| 2011 | This returns nonzero even if there is no hardware support for the |
| 2012 | vector mode, but we can emulate with narrower modes. */ |
| 2013 | |
| 2014 | static bool |
| 2015 | vector_mode_valid_p (machine_mode mode) |
| 2016 | { |
| 2017 | enum mode_class mclass = GET_MODE_CLASS (mode)((enum mode_class) mode_class[mode]); |
| 2018 | |
| 2019 | /* Doh! What's going on? */ |
| 2020 | if (mclass != MODE_VECTOR_INT |
| 2021 | && mclass != MODE_VECTOR_FLOAT |
| 2022 | && mclass != MODE_VECTOR_FRACT |
| 2023 | && mclass != MODE_VECTOR_UFRACT |
| 2024 | && mclass != MODE_VECTOR_ACCUM |
| 2025 | && mclass != MODE_VECTOR_UACCUM) |
| 2026 | return false; |
| 2027 | |
| 2028 | /* Hardware support. Woo hoo! */ |
| 2029 | if (targetm.vector_mode_supported_p (mode)) |
| 2030 | return true; |
| 2031 | |
| 2032 | /* We should probably return 1 if requesting V4DI and we have no DI, |
| 2033 | but we have V2DI, but this is probably very unlikely. */ |
| 2034 | |
| 2035 | /* If we have support for the inner mode, we can safely emulate it. |
| 2036 | We may not have V2DI, but me can emulate with a pair of DIs. */ |
| 2037 | return targetm.scalar_mode_supported_p (GET_MODE_INNER (mode)(mode_to_inner (mode))); |
| 2038 | } |
| 2039 | |
| 2040 | |
| 2041 | /* Handle a "mode" attribute; arguments as in |
| 2042 | struct attribute_spec.handler. */ |
| 2043 | |
| 2044 | static tree |
| 2045 | handle_mode_attribute (tree *node, tree name, tree args, |
| 2046 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 2047 | { |
| 2048 | tree type = *node; |
| 2049 | tree ident = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2049, __FUNCTION__, (TREE_LIST)))->list.value); |
| 2050 | |
| 2051 | *no_add_attrs = true; |
| 2052 | |
| 2053 | if (TREE_CODE (ident)((enum tree_code) (ident)->base.code) != IDENTIFIER_NODE) |
| 2054 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 2055 | else |
| 2056 | { |
| 2057 | int j; |
| 2058 | const char *p = IDENTIFIER_POINTER (ident)((const char *) (tree_check ((ident), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2058, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ); |
| 2059 | int len = strlen (p); |
| 2060 | machine_mode mode = VOIDmode((void) 0, E_VOIDmode); |
| 2061 | tree typefm; |
| 2062 | bool valid_mode; |
| 2063 | |
| 2064 | if (len > 4 && p[0] == '_' && p[1] == '_' |
| 2065 | && p[len - 1] == '_' && p[len - 2] == '_') |
| 2066 | { |
| 2067 | char *newp = (char *) alloca (len - 1)__builtin_alloca(len - 1); |
| 2068 | |
| 2069 | strcpy (newp, &p[2]); |
| 2070 | newp[len - 4] = '\0'; |
| 2071 | p = newp; |
| 2072 | } |
| 2073 | |
| 2074 | /* Change this type to have a type with the specified mode. |
| 2075 | First check for the special modes. */ |
| 2076 | if (!strcmp (p, "byte")) |
| 2077 | mode = byte_mode; |
| 2078 | else if (!strcmp (p, "word")) |
| 2079 | mode = word_mode; |
| 2080 | else if (!strcmp (p, "pointer")) |
| 2081 | mode = ptr_mode; |
| 2082 | else if (!strcmp (p, "libgcc_cmp_return")) |
| 2083 | mode = targetm.libgcc_cmp_return_mode (); |
| 2084 | else if (!strcmp (p, "libgcc_shift_count")) |
| 2085 | mode = targetm.libgcc_shift_count_mode (); |
| 2086 | else if (!strcmp (p, "unwind_word")) |
| 2087 | mode = targetm.unwind_word_mode (); |
| 2088 | else |
| 2089 | for (j = 0; j < NUM_MACHINE_MODES; j++) |
| 2090 | if (!strcmp (p, GET_MODE_NAME (j)mode_name[j])) |
| 2091 | { |
| 2092 | mode = (machine_mode) j; |
| 2093 | break; |
| 2094 | } |
| 2095 | |
| 2096 | if (mode == VOIDmode((void) 0, E_VOIDmode)) |
| 2097 | { |
| 2098 | error ("unknown machine mode %qE", ident); |
| 2099 | return NULL_TREE(tree) nullptr; |
| 2100 | } |
| 2101 | |
| 2102 | /* Allow the target a chance to translate MODE into something supported. |
| 2103 | See PR86324. */ |
| 2104 | mode = targetm.translate_mode_attribute (mode); |
| 2105 | |
| 2106 | valid_mode = false; |
| 2107 | switch (GET_MODE_CLASS (mode)((enum mode_class) mode_class[mode])) |
| 2108 | { |
| 2109 | case MODE_INT: |
| 2110 | case MODE_PARTIAL_INT: |
| 2111 | case MODE_FLOAT: |
| 2112 | case MODE_DECIMAL_FLOAT: |
| 2113 | case MODE_FRACT: |
| 2114 | case MODE_UFRACT: |
| 2115 | case MODE_ACCUM: |
| 2116 | case MODE_UACCUM: |
| 2117 | valid_mode |
| 2118 | = targetm.scalar_mode_supported_p (as_a <scalar_mode> (mode)); |
| 2119 | break; |
| 2120 | |
| 2121 | case MODE_COMPLEX_INT: |
| 2122 | case MODE_COMPLEX_FLOAT: |
| 2123 | valid_mode = targetm.scalar_mode_supported_p (GET_MODE_INNER (mode)(mode_to_inner (mode))); |
| 2124 | break; |
| 2125 | |
| 2126 | case MODE_VECTOR_INT: |
| 2127 | case MODE_VECTOR_FLOAT: |
| 2128 | case MODE_VECTOR_FRACT: |
| 2129 | case MODE_VECTOR_UFRACT: |
| 2130 | case MODE_VECTOR_ACCUM: |
| 2131 | case MODE_VECTOR_UACCUM: |
| 2132 | warning (OPT_Wattributes, "specifying vector types with " |
| 2133 | "%<__attribute__ ((mode))%> is deprecated"); |
| 2134 | inform (input_location, |
| 2135 | "use %<__attribute__ ((vector_size))%> instead"); |
| 2136 | valid_mode = vector_mode_valid_p (mode); |
| 2137 | break; |
| 2138 | |
| 2139 | default: |
| 2140 | break; |
| 2141 | } |
| 2142 | if (!valid_mode) |
| 2143 | { |
| 2144 | error ("unable to emulate %qs", p); |
| 2145 | return NULL_TREE(tree) nullptr; |
| 2146 | } |
| 2147 | |
| 2148 | if (POINTER_TYPE_P (type)(((enum tree_code) (type)->base.code) == POINTER_TYPE || ( (enum tree_code) (type)->base.code) == REFERENCE_TYPE)) |
| 2149 | { |
| 2150 | scalar_int_mode addr_mode; |
| 2151 | addr_space_t as = TYPE_ADDR_SPACE (TREE_TYPE (type))((tree_class_check ((((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2151, __FUNCTION__))->typed.type)), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2151, __FUNCTION__))->base.u.bits.address_space); |
| 2152 | tree (*fn)(tree, machine_mode, bool); |
| 2153 | |
| 2154 | if (!is_a <scalar_int_mode> (mode, &addr_mode) |
| 2155 | || !targetm.addr_space.valid_pointer_mode (addr_mode, as)) |
| 2156 | { |
| 2157 | error ("invalid pointer mode %qs", p); |
| 2158 | return NULL_TREE(tree) nullptr; |
| 2159 | } |
| 2160 | |
| 2161 | if (TREE_CODE (type)((enum tree_code) (type)->base.code) == POINTER_TYPE) |
| 2162 | fn = build_pointer_type_for_mode; |
| 2163 | else |
| 2164 | fn = build_reference_type_for_mode; |
| 2165 | typefm = fn (TREE_TYPE (type)((contains_struct_check ((type), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2165, __FUNCTION__))->typed.type), addr_mode, false); |
| 2166 | } |
| 2167 | else |
| 2168 | { |
| 2169 | /* For fixed-point modes, we need to test if the signness of type |
| 2170 | and the machine mode are consistent. */ |
| 2171 | if (ALL_FIXED_POINT_MODE_P (mode)(((((enum mode_class) mode_class[mode]) == MODE_FRACT || ((enum mode_class) mode_class[mode]) == MODE_VECTOR_FRACT) || (((enum mode_class) mode_class[mode]) == MODE_ACCUM || ((enum mode_class ) mode_class[mode]) == MODE_VECTOR_ACCUM)) || ((((enum mode_class ) mode_class[mode]) == MODE_UFRACT || ((enum mode_class) mode_class [mode]) == MODE_VECTOR_UFRACT) || (((enum mode_class) mode_class [mode]) == MODE_UACCUM || ((enum mode_class) mode_class[mode] ) == MODE_VECTOR_UACCUM))) |
| 2172 | && TYPE_UNSIGNED (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2172, __FUNCTION__))->base.u.bits.unsigned_flag) != UNSIGNED_FIXED_POINT_MODE_P (mode)((((enum mode_class) mode_class[mode]) == MODE_UFRACT || ((enum mode_class) mode_class[mode]) == MODE_VECTOR_UFRACT) || (((enum mode_class) mode_class[mode]) == MODE_UACCUM || ((enum mode_class ) mode_class[mode]) == MODE_VECTOR_UACCUM))) |
| 2173 | { |
| 2174 | error ("signedness of type and machine mode %qs don%'t match", p); |
| 2175 | return NULL_TREE(tree) nullptr; |
| 2176 | } |
| 2177 | /* For fixed-point modes, we need to pass saturating info. */ |
| 2178 | typefm = lang_hooks.types.type_for_mode (mode, |
| 2179 | ALL_FIXED_POINT_MODE_P (mode)(((((enum mode_class) mode_class[mode]) == MODE_FRACT || ((enum mode_class) mode_class[mode]) == MODE_VECTOR_FRACT) || (((enum mode_class) mode_class[mode]) == MODE_ACCUM || ((enum mode_class ) mode_class[mode]) == MODE_VECTOR_ACCUM)) || ((((enum mode_class ) mode_class[mode]) == MODE_UFRACT || ((enum mode_class) mode_class [mode]) == MODE_VECTOR_UFRACT) || (((enum mode_class) mode_class [mode]) == MODE_UACCUM || ((enum mode_class) mode_class[mode] ) == MODE_VECTOR_UACCUM))) ? TYPE_SATURATING (type)((tree_not_check4 ((type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2179, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE ), (ARRAY_TYPE)))->base.u.bits.saturating_flag) |
| 2180 | : TYPE_UNSIGNED (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2180, __FUNCTION__))->base.u.bits.unsigned_flag)); |
| 2181 | } |
| 2182 | |
| 2183 | if (typefm == NULL_TREE(tree) nullptr) |
| 2184 | { |
| 2185 | error ("no data type for mode %qs", p); |
| 2186 | return NULL_TREE(tree) nullptr; |
| 2187 | } |
| 2188 | else if (TREE_CODE (type)((enum tree_code) (type)->base.code) == ENUMERAL_TYPE) |
| 2189 | { |
| 2190 | /* For enumeral types, copy the precision from the integer |
| 2191 | type returned above. If not an INTEGER_TYPE, we can't use |
| 2192 | this mode for this type. */ |
| 2193 | if (TREE_CODE (typefm)((enum tree_code) (typefm)->base.code) != INTEGER_TYPE) |
| 2194 | { |
| 2195 | error ("cannot use mode %qs for enumerated types", p); |
| 2196 | return NULL_TREE(tree) nullptr; |
| 2197 | } |
| 2198 | |
| 2199 | if (flags & ATTR_FLAG_TYPE_IN_PLACE) |
| 2200 | { |
| 2201 | TYPE_PRECISION (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2201, __FUNCTION__))->type_common.precision) = TYPE_PRECISION (typefm)((tree_class_check ((typefm), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2201, __FUNCTION__))->type_common.precision); |
| 2202 | typefm = type; |
| 2203 | } |
| 2204 | else |
| 2205 | { |
| 2206 | /* We cannot build a type variant, as there's code that assumes |
| 2207 | that TYPE_MAIN_VARIANT has the same mode. This includes the |
| 2208 | debug generators. Instead, create a subrange type. This |
| 2209 | results in all of the enumeral values being emitted only once |
| 2210 | in the original, and the subtype gets them by reference. */ |
| 2211 | if (TYPE_UNSIGNED (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2211, __FUNCTION__))->base.u.bits.unsigned_flag)) |
| 2212 | typefm = make_unsigned_type (TYPE_PRECISION (typefm)((tree_class_check ((typefm), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2212, __FUNCTION__))->type_common.precision)); |
| 2213 | else |
| 2214 | typefm = make_signed_type (TYPE_PRECISION (typefm)((tree_class_check ((typefm), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2214, __FUNCTION__))->type_common.precision)); |
| 2215 | TREE_TYPE (typefm)((contains_struct_check ((typefm), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2215, __FUNCTION__))->typed.type) = type; |
| 2216 | } |
| 2217 | *no_add_attrs = false; |
| 2218 | } |
| 2219 | else if (VECTOR_MODE_P (mode)(((enum mode_class) mode_class[mode]) == MODE_VECTOR_BOOL || ( (enum mode_class) mode_class[mode]) == MODE_VECTOR_INT || ((enum mode_class) mode_class[mode]) == MODE_VECTOR_FLOAT || ((enum mode_class) mode_class[mode]) == MODE_VECTOR_FRACT || ((enum mode_class) mode_class[mode]) == MODE_VECTOR_UFRACT || ((enum mode_class) mode_class[mode]) == MODE_VECTOR_ACCUM || ((enum mode_class) mode_class[mode]) == MODE_VECTOR_UACCUM) |
| 2220 | ? TREE_CODE (type)((enum tree_code) (type)->base.code) != TREE_CODE (TREE_TYPE (typefm))((enum tree_code) (((contains_struct_check ((typefm), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2220, __FUNCTION__))->typed.type))->base.code) |
| 2221 | : TREE_CODE (type)((enum tree_code) (type)->base.code) != TREE_CODE (typefm)((enum tree_code) (typefm)->base.code)) |
| 2222 | { |
| 2223 | error ("mode %qs applied to inappropriate type", p); |
| 2224 | return NULL_TREE(tree) nullptr; |
| 2225 | } |
| 2226 | |
| 2227 | /* Copy any quals and attributes to the new type. */ |
| 2228 | *node = build_type_attribute_qual_variant (typefm, TYPE_ATTRIBUTES (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2228, __FUNCTION__))->type_common.attributes), |
| 2229 | TYPE_QUALS (type)((int) ((((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2229, __FUNCTION__))->base.readonly_flag) * TYPE_QUAL_CONST ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2229, __FUNCTION__))->base.volatile_flag) * TYPE_QUAL_VOLATILE ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2229, __FUNCTION__))->base.u.bits.atomic_flag) * TYPE_QUAL_ATOMIC ) | (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2229, __FUNCTION__))->type_common.restrict_flag) * TYPE_QUAL_RESTRICT ) | (((((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2229, __FUNCTION__))->base.u.bits.address_space) & 0xFF ) << 8))))); |
| 2230 | if (TYPE_USER_ALIGN (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2230, __FUNCTION__))->base.u.bits.user_align)) |
| 2231 | *node = build_aligned_type (*node, TYPE_ALIGN (type)(((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2231, __FUNCTION__))->type_common.align) ? ((unsigned)1) << (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2231, __FUNCTION__))->type_common.align) - 1) : 0)); |
| 2232 | } |
| 2233 | |
| 2234 | return NULL_TREE(tree) nullptr; |
| 2235 | } |
| 2236 | |
| 2237 | /* Handle a "section" attribute; arguments as in |
| 2238 | struct attribute_spec.handler. */ |
| 2239 | |
| 2240 | static tree |
| 2241 | handle_section_attribute (tree *node, tree name, tree args, |
| 2242 | int flags, bool *no_add_attrs) |
| 2243 | { |
| 2244 | tree decl = *node; |
| 2245 | tree res = NULL_TREE(tree) nullptr; |
| 2246 | tree argval = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2246, __FUNCTION__, (TREE_LIST)))->list.value); |
| 2247 | const char* new_section_name; |
| 2248 | |
| 2249 | if (!targetm_common.have_named_sections) |
| 2250 | { |
| 2251 | error_at (DECL_SOURCE_LOCATION (*node)((contains_struct_check ((*node), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2251, __FUNCTION__))->decl_minimal.locus), |
| 2252 | "section attributes are not supported for this target"); |
| 2253 | goto fail; |
| 2254 | } |
| 2255 | |
| 2256 | if (!VAR_OR_FUNCTION_DECL_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL || ((enum tree_code) (decl)->base.code) == FUNCTION_DECL)) |
| 2257 | { |
| 2258 | error ("section attribute not allowed for %q+D", *node); |
| 2259 | goto fail; |
| 2260 | } |
| 2261 | |
| 2262 | if (TREE_CODE (argval)((enum tree_code) (argval)->base.code) != STRING_CST) |
| 2263 | { |
| 2264 | error ("section attribute argument not a string constant"); |
| 2265 | goto fail; |
| 2266 | } |
| 2267 | |
| 2268 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) |
| 2269 | && current_function_decl != NULL_TREE(tree) nullptr |
| 2270 | && !TREE_STATIC (decl)((decl)->base.static_flag)) |
| 2271 | { |
| 2272 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2272, __FUNCTION__))->decl_minimal.locus), |
| 2273 | "section attribute cannot be specified for local variables"); |
| 2274 | goto fail; |
| 2275 | } |
| 2276 | |
| 2277 | new_section_name = TREE_STRING_POINTER (argval)((const char *)((tree_check ((argval), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2277, __FUNCTION__, (STRING_CST)))->string.str)); |
| 2278 | |
| 2279 | /* The decl may have already been given a section attribute |
| 2280 | from a previous declaration. Ensure they match. */ |
| 2281 | if (const char* const old_section_name = DECL_SECTION_NAME (decl)decl_section_name (decl)) |
| 2282 | if (strcmp (old_section_name, new_section_name) != 0) |
| 2283 | { |
| 2284 | error ("section of %q+D conflicts with previous declaration", |
| 2285 | *node); |
| 2286 | goto fail; |
| 2287 | } |
| 2288 | |
| 2289 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) |
| 2290 | && !targetm.have_tls && targetm.emutls.tmpl_section |
| 2291 | && DECL_THREAD_LOCAL_P (decl)((((decl)->base.static_flag) || ((contains_struct_check (( decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2291, __FUNCTION__))->decl_common.decl_flag_1)) && decl_tls_model (decl) >= TLS_MODEL_REAL)) |
| 2292 | { |
| 2293 | error ("section of %q+D cannot be overridden", *node); |
| 2294 | goto fail; |
| 2295 | } |
| 2296 | |
| 2297 | if (!validate_attr_arg (node, name, argval)) |
| 2298 | goto fail; |
| 2299 | |
| 2300 | res = targetm.handle_generic_attribute (node, name, args, flags, |
| 2301 | no_add_attrs); |
| 2302 | |
| 2303 | /* If the back end confirms the attribute can be added then continue onto |
| 2304 | final processing. */ |
| 2305 | if (!(*no_add_attrs)) |
| 2306 | { |
| 2307 | set_decl_section_name (decl, new_section_name); |
| 2308 | return res; |
| 2309 | } |
| 2310 | |
| 2311 | fail: |
| 2312 | *no_add_attrs = true; |
| 2313 | return res; |
| 2314 | } |
| 2315 | |
| 2316 | /* Common codes shared by handle_warn_if_not_aligned_attribute and |
| 2317 | handle_aligned_attribute. */ |
| 2318 | |
| 2319 | static tree |
| 2320 | common_handle_aligned_attribute (tree *node, tree name, tree args, int flags, |
| 2321 | bool *no_add_attrs, |
| 2322 | bool warn_if_not_aligned_p) |
| 2323 | { |
| 2324 | tree decl = NULL_TREE(tree) nullptr; |
| 2325 | tree *type = NULLnullptr; |
| 2326 | bool is_type = false; |
| 2327 | tree align_expr; |
| 2328 | |
| 2329 | /* The last (already pushed) declaration with all validated attributes |
| 2330 | merged in or the current about-to-be-pushed one if one hasn't been |
| 2331 | yet. */ |
| 2332 | tree last_decl = node[1] ? node[1] : *node; |
| 2333 | |
| 2334 | if (args) |
| 2335 | { |
| 2336 | align_expr = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2336, __FUNCTION__, (TREE_LIST)))->list.value); |
| 2337 | if (align_expr && TREE_CODE (align_expr)((enum tree_code) (align_expr)->base.code) != IDENTIFIER_NODE |
| 2338 | && TREE_CODE (align_expr)((enum tree_code) (align_expr)->base.code) != FUNCTION_DECL) |
| 2339 | align_expr = default_conversion (align_expr); |
| 2340 | } |
| 2341 | else |
| 2342 | align_expr = size_int (ATTRIBUTE_ALIGNED_VALUE / BITS_PER_UNIT)size_int_kind ((((global_options.x_target_flags & (1U << 12)) != 0) ? 32 : 128) / (8), stk_sizetype); |
| 2343 | |
| 2344 | if (DECL_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_declaration)) |
| 2345 | { |
| 2346 | decl = *node; |
| 2347 | type = &TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2347, __FUNCTION__))->typed.type); |
| 2348 | is_type = TREE_CODE (*node)((enum tree_code) (*node)->base.code) == TYPE_DECL; |
| 2349 | } |
| 2350 | else if (TYPE_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_type)) |
| 2351 | type = node, is_type = true; |
| 2352 | |
| 2353 | /* True to consider invalid alignments greater than MAX_OFILE_ALIGNMENT. */ |
| 2354 | bool objfile = (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL |
| 2355 | || (VAR_P (*node)(((enum tree_code) (*node)->base.code) == VAR_DECL) && TREE_STATIC (*node)((*node)->base.static_flag))); |
| 2356 | /* Log2 of specified alignment. */ |
| 2357 | int pow2align = check_user_alignment (align_expr, objfile, |
| 2358 | /* warn_zero = */ true); |
| 2359 | if (pow2align == -1) |
| 2360 | { |
| 2361 | *no_add_attrs = true; |
| 2362 | return NULL_TREE(tree) nullptr; |
| 2363 | } |
| 2364 | |
| 2365 | /* The alignment in bits corresponding to the specified alignment. */ |
| 2366 | unsigned bitalign = (1U << pow2align) * BITS_PER_UNIT(8); |
| 2367 | |
| 2368 | /* The alignment of the current declaration and that of the last |
| 2369 | pushed declaration, determined on demand below. */ |
| 2370 | unsigned curalign = 0; |
| 2371 | unsigned lastalign = 0; |
| 2372 | |
| 2373 | /* True when SET_DECL_ALIGN() should be called for the decl when |
| 2374 | *NO_ADD_ATTRS is false. */ |
| 2375 | bool set_align = true; |
| 2376 | if (is_type) |
| 2377 | { |
| 2378 | if ((flags & (int) ATTR_FLAG_TYPE_IN_PLACE)) |
| 2379 | /* OK, modify the type in place. */; |
| 2380 | /* If we have a TYPE_DECL, then copy the type, so that we |
| 2381 | don't accidentally modify a builtin type. See pushdecl. */ |
| 2382 | else if (decl && TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2382, __FUNCTION__))->typed.type) != error_mark_nodeglobal_trees[TI_ERROR_MARK] |
| 2383 | && DECL_ORIGINAL_TYPE (decl)((tree_check ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2383, __FUNCTION__, (TYPE_DECL)))->decl_non_common.result ) == NULL_TREE(tree) nullptr) |
| 2384 | { |
| 2385 | tree tt = TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2385, __FUNCTION__))->typed.type); |
| 2386 | *type = build_variant_type_copy (*type); |
| 2387 | DECL_ORIGINAL_TYPE (decl)((tree_check ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2387, __FUNCTION__, (TYPE_DECL)))->decl_non_common.result ) = tt; |
| 2388 | TYPE_NAME (*type)((tree_class_check ((*type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2388, __FUNCTION__))->type_common.name) = decl; |
| 2389 | TREE_USED (*type)((*type)->base.used_flag) = TREE_USED (decl)((decl)->base.used_flag); |
| 2390 | TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2390, __FUNCTION__))->typed.type) = *type; |
| 2391 | } |
| 2392 | else |
| 2393 | *type = build_variant_type_copy (*type); |
| 2394 | |
| 2395 | if (warn_if_not_aligned_p) |
| 2396 | { |
| 2397 | SET_TYPE_WARN_IF_NOT_ALIGN (*type, bitalign)((tree_class_check ((*type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2397, __FUNCTION__))->type_common.warn_if_not_align = ffs_hwi (bitalign)); |
| 2398 | warn_if_not_aligned_p = false; |
| 2399 | } |
| 2400 | else |
| 2401 | { |
| 2402 | SET_TYPE_ALIGN (*type, bitalign)((tree_class_check ((*type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2402, __FUNCTION__))->type_common.align = ffs_hwi (bitalign )); |
| 2403 | TYPE_USER_ALIGN (*type)((tree_class_check ((*type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2403, __FUNCTION__))->base.u.bits.user_align) = 1; |
| 2404 | } |
| 2405 | } |
| 2406 | else if (! VAR_OR_FUNCTION_DECL_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL || ((enum tree_code) (decl)->base.code) == FUNCTION_DECL) |
| 2407 | && TREE_CODE (decl)((enum tree_code) (decl)->base.code) != FIELD_DECL) |
| 2408 | { |
| 2409 | error ("alignment may not be specified for %q+D", decl); |
| 2410 | *no_add_attrs = true; |
| 2411 | } |
| 2412 | else if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL |
| 2413 | && (((curalign = DECL_ALIGN (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2413, __FUNCTION__))->decl_common.align) ? ((unsigned)1) << (((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2413, __FUNCTION__))->decl_common.align) - 1) : 0)) > bitalign) |
| 2414 | | ((lastalign = DECL_ALIGN (last_decl)(((contains_struct_check ((last_decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2414, __FUNCTION__))->decl_common.align) ? ((unsigned)1) << (((contains_struct_check ((last_decl), (TS_DECL_COMMON ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2414, __FUNCTION__))->decl_common.align) - 1) : 0)) > bitalign))) |
| 2415 | { |
| 2416 | /* Either a prior attribute on the same declaration or one |
| 2417 | on a prior declaration of the same function specifies |
| 2418 | stricter alignment than this attribute. */ |
| 2419 | bool note = (lastalign > curalign |
| 2420 | || (lastalign == curalign |
| 2421 | && (DECL_USER_ALIGN (last_decl)((contains_struct_check ((last_decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2421, __FUNCTION__))->base.u.bits.user_align) |
| 2422 | > DECL_USER_ALIGN (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2422, __FUNCTION__))->base.u.bits.user_align)))); |
| 2423 | if (note) |
| 2424 | curalign = lastalign; |
| 2425 | |
| 2426 | curalign /= BITS_PER_UNIT(8); |
| 2427 | unsigned newalign = bitalign / BITS_PER_UNIT(8); |
| 2428 | |
| 2429 | auto_diagnostic_group d; |
| 2430 | if ((DECL_USER_ALIGN (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2430, __FUNCTION__))->base.u.bits.user_align) |
| 2431 | || DECL_USER_ALIGN (last_decl)((contains_struct_check ((last_decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2431, __FUNCTION__))->base.u.bits.user_align))) |
| 2432 | { |
| 2433 | if (warning (OPT_Wattributes, |
| 2434 | "ignoring attribute %<%E (%u)%> because it conflicts " |
| 2435 | "with attribute %<%E (%u)%>", |
| 2436 | name, newalign, name, curalign) |
| 2437 | && note) |
| 2438 | inform (DECL_SOURCE_LOCATION (last_decl)((contains_struct_check ((last_decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2438, __FUNCTION__))->decl_minimal.locus), |
| 2439 | "previous declaration here"); |
| 2440 | /* Only reject attempts to relax/override an alignment |
| 2441 | explicitly specified previously and accept declarations |
| 2442 | that appear to relax the implicit function alignment for |
| 2443 | the target. Both increasing and increasing the alignment |
| 2444 | set by -falign-functions setting is permitted. */ |
| 2445 | *no_add_attrs = true; |
| 2446 | } |
| 2447 | else if (!warn_if_not_aligned_p) |
| 2448 | { |
| 2449 | /* Do not fail for attribute warn_if_not_aligned. Otherwise, |
| 2450 | silently avoid applying the alignment to the declaration |
| 2451 | because it's implicitly satisfied by the target. Apply |
| 2452 | the attribute nevertheless so it can be retrieved by |
| 2453 | __builtin_has_attribute. */ |
| 2454 | set_align = false; |
| 2455 | } |
| 2456 | } |
| 2457 | else if (DECL_USER_ALIGN (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2457, __FUNCTION__))->base.u.bits.user_align) |
| 2458 | && DECL_ALIGN (decl)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2458, __FUNCTION__))->decl_common.align) ? ((unsigned)1) << (((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2458, __FUNCTION__))->decl_common.align) - 1) : 0) > bitalign) |
| 2459 | /* C++-11 [dcl.align/4]: |
| 2460 | |
| 2461 | When multiple alignment-specifiers are specified for an |
| 2462 | entity, the alignment requirement shall be set to the |
| 2463 | strictest specified alignment. |
| 2464 | |
| 2465 | This formally comes from the c++11 specification but we are |
| 2466 | doing it for the GNU attribute syntax as well. */ |
| 2467 | *no_add_attrs = true; |
| 2468 | else if (warn_if_not_aligned_p |
| 2469 | && TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FIELD_DECL |
| 2470 | && !DECL_C_BIT_FIELD (decl)(((contains_struct_check (((tree_check ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2470, __FUNCTION__, (FIELD_DECL)))), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2470, __FUNCTION__))->decl_common.lang_flag_4) == 1)) |
| 2471 | { |
| 2472 | SET_DECL_WARN_IF_NOT_ALIGN (decl, bitalign)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2472, __FUNCTION__))->decl_common.warn_if_not_align) = ffs_hwi (bitalign)); |
| 2473 | warn_if_not_aligned_p = false; |
| 2474 | set_align = false; |
| 2475 | } |
| 2476 | |
| 2477 | if (warn_if_not_aligned_p) |
| 2478 | { |
| 2479 | error ("%<warn_if_not_aligned%> may not be specified for %q+D", |
| 2480 | decl); |
| 2481 | *no_add_attrs = true; |
| 2482 | } |
| 2483 | else if (!is_type && !*no_add_attrs && set_align) |
| 2484 | { |
| 2485 | SET_DECL_ALIGN (decl, bitalign)(((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2485, __FUNCTION__))->decl_common.align) = ffs_hwi (bitalign )); |
| 2486 | DECL_USER_ALIGN (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2486, __FUNCTION__))->base.u.bits.user_align) = 1; |
| 2487 | } |
| 2488 | |
| 2489 | return NULL_TREE(tree) nullptr; |
| 2490 | } |
| 2491 | |
| 2492 | /* Handle a "aligned" attribute; arguments as in |
| 2493 | struct attribute_spec.handler. */ |
| 2494 | |
| 2495 | static tree |
| 2496 | handle_aligned_attribute (tree *node, tree name, tree args, |
| 2497 | int flags, bool *no_add_attrs) |
| 2498 | { |
| 2499 | return common_handle_aligned_attribute (node, name, args, flags, |
| 2500 | no_add_attrs, false); |
| 2501 | } |
| 2502 | |
| 2503 | /* Handle a "warn_if_not_aligned" attribute; arguments as in |
| 2504 | struct attribute_spec.handler. */ |
| 2505 | |
| 2506 | static tree |
| 2507 | handle_warn_if_not_aligned_attribute (tree *node, tree name, |
| 2508 | tree args, int flags, |
| 2509 | bool *no_add_attrs) |
| 2510 | { |
| 2511 | return common_handle_aligned_attribute (node, name, args, flags, |
| 2512 | no_add_attrs, true); |
| 2513 | } |
| 2514 | |
| 2515 | /* Handle a "strict_flex_array" attribute; arguments as in |
| 2516 | struct attribute_spec.handler. */ |
| 2517 | |
| 2518 | static tree |
| 2519 | handle_strict_flex_array_attribute (tree *node, tree name, |
| 2520 | tree args, int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 2521 | bool *no_add_attrs) |
| 2522 | { |
| 2523 | tree decl = *node; |
| 2524 | tree argval = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2524, __FUNCTION__, (TREE_LIST)))->list.value); |
| 2525 | |
| 2526 | /* This attribute only applies to field decls of a structure. */ |
| 2527 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) != FIELD_DECL) |
| 2528 | { |
| 2529 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2529, __FUNCTION__))->decl_minimal.locus), |
| 2530 | "%qE attribute may not be specified for %q+D", name, decl); |
| 2531 | *no_add_attrs = true; |
| 2532 | } |
| 2533 | /* This attribute only applies to field with array type. */ |
| 2534 | else if (TREE_CODE (TREE_TYPE (decl))((enum tree_code) (((contains_struct_check ((decl), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2534, __FUNCTION__))->typed.type))->base.code) != ARRAY_TYPE) |
| 2535 | { |
| 2536 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2536, __FUNCTION__))->decl_minimal.locus), |
| 2537 | "%qE attribute may not be specified for a non-array field", |
| 2538 | name); |
| 2539 | *no_add_attrs = true; |
| 2540 | } |
| 2541 | else if (TREE_CODE (argval)((enum tree_code) (argval)->base.code) != INTEGER_CST) |
| 2542 | { |
| 2543 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2543, __FUNCTION__))->decl_minimal.locus), |
| 2544 | "%qE attribute argument not an integer", name); |
| 2545 | *no_add_attrs = true; |
| 2546 | } |
| 2547 | else if (!tree_fits_uhwi_p (argval) || tree_to_uhwi (argval) > 3) |
| 2548 | { |
| 2549 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2549, __FUNCTION__))->decl_minimal.locus), |
| 2550 | "%qE attribute argument %qE is not an integer constant" |
| 2551 | " between 0 and 3", name, argval); |
| 2552 | *no_add_attrs = true; |
| 2553 | } |
| 2554 | |
| 2555 | return NULL_TREE(tree) nullptr; |
| 2556 | } |
| 2557 | |
| 2558 | /* Handle a "weak" attribute; arguments as in |
| 2559 | struct attribute_spec.handler. */ |
| 2560 | |
| 2561 | static tree |
| 2562 | handle_weak_attribute (tree *node, tree name, |
| 2563 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 2564 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 2565 | bool * ARG_UNUSED (no_add_attrs)no_add_attrs __attribute__ ((__unused__))) |
| 2566 | { |
| 2567 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL |
| 2568 | && DECL_DECLARED_INLINE_P (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2568, __FUNCTION__, (FUNCTION_DECL)))->function_decl.declared_inline_flag )) |
| 2569 | { |
| 2570 | warning (OPT_Wattributes, "inline function %q+D declared weak", *node); |
| 2571 | *no_add_attrs = true; |
| 2572 | } |
| 2573 | else if (lookup_attribute ("ifunc", DECL_ATTRIBUTES (*node)((contains_struct_check ((*node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2573, __FUNCTION__))->decl_common.attributes))) |
| 2574 | { |
| 2575 | error ("indirect function %q+D cannot be declared weak", *node); |
| 2576 | *no_add_attrs = true; |
| 2577 | return NULL_TREE(tree) nullptr; |
| 2578 | } |
| 2579 | else if (VAR_OR_FUNCTION_DECL_P (*node)(((enum tree_code) (*node)->base.code) == VAR_DECL || ((enum tree_code) (*node)->base.code) == FUNCTION_DECL)) |
| 2580 | declare_weak (*node); |
| 2581 | else |
| 2582 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 2583 | |
| 2584 | return NULL_TREE(tree) nullptr; |
| 2585 | } |
| 2586 | |
| 2587 | /* Handle a "noinit" or "persistent" attribute; arguments as in |
| 2588 | struct attribute_spec.handler. |
| 2589 | This generic handler is used for "special variable sections" that allow the |
| 2590 | section name to be set using a dedicated attribute. Additional validation |
| 2591 | is performed for the specific properties of the section corresponding to the |
| 2592 | attribute. |
| 2593 | The ".noinit" section *is not* loaded by the program loader, and is not |
| 2594 | initialized by the runtime startup code. |
| 2595 | The ".persistent" section *is* loaded by the program loader, but is not |
| 2596 | initialized by the runtime startup code. */ |
| 2597 | static tree |
| 2598 | handle_special_var_sec_attribute (tree *node, tree name, tree args, |
| 2599 | int flags, bool *no_add_attrs) |
| 2600 | { |
| 2601 | tree decl = *node; |
| 2602 | tree res = NULL_TREE(tree) nullptr; |
| 2603 | |
| 2604 | /* First perform generic validation common to "noinit" and "persistent" |
| 2605 | attributes. */ |
| 2606 | if (!targetm_common.have_named_sections) |
| 2607 | { |
| 2608 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2608, __FUNCTION__))->decl_minimal.locus), |
| 2609 | "section attributes are not supported for this target"); |
| 2610 | goto fail; |
| 2611 | } |
| 2612 | |
| 2613 | if (!VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL)) |
| 2614 | { |
| 2615 | warning_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2615, __FUNCTION__))->decl_minimal.locus), OPT_Wattributes, |
| 2616 | "ignoring %qE attribute not set on a variable", |
| 2617 | name); |
| 2618 | goto fail; |
| 2619 | } |
| 2620 | |
| 2621 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) |
| 2622 | && current_function_decl != NULL_TREE(tree) nullptr |
| 2623 | && !TREE_STATIC (decl)((decl)->base.static_flag)) |
| 2624 | { |
| 2625 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2625, __FUNCTION__))->decl_minimal.locus), |
| 2626 | "%qE attribute cannot be specified for local variables", |
| 2627 | name); |
| 2628 | goto fail; |
| 2629 | } |
| 2630 | |
| 2631 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) |
| 2632 | && !targetm.have_tls && targetm.emutls.tmpl_section |
| 2633 | && DECL_THREAD_LOCAL_P (decl)((((decl)->base.static_flag) || ((contains_struct_check (( decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2633, __FUNCTION__))->decl_common.decl_flag_1)) && decl_tls_model (decl) >= TLS_MODEL_REAL)) |
| 2634 | { |
| 2635 | error ("section of %q+D cannot be overridden", decl); |
| 2636 | goto fail; |
| 2637 | } |
| 2638 | |
| 2639 | if (!targetm.have_switchable_bss_sections) |
| 2640 | { |
| 2641 | error ("%qE attribute is specific to ELF targets", name); |
| 2642 | goto fail; |
| 2643 | } |
| 2644 | |
| 2645 | if (TREE_READONLY (decl)((non_type_check ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2645, __FUNCTION__))->base.readonly_flag)) |
| 2646 | { |
| 2647 | warning_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2647, __FUNCTION__))->decl_minimal.locus), OPT_Wattributes, |
| 2648 | "ignoring %qE attribute set on const variable", |
| 2649 | name); |
| 2650 | goto fail; |
| 2651 | } |
| 2652 | |
| 2653 | /* Now validate noinit/persistent individually. */ |
| 2654 | if (strcmp (IDENTIFIER_POINTER (name)((const char *) (tree_check ((name), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2654, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ), "noinit") == 0) |
| 2655 | { |
| 2656 | if (DECL_INITIAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2656, __FUNCTION__))->decl_common.initial)) |
| 2657 | { |
| 2658 | warning_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2658, __FUNCTION__))->decl_minimal.locus), OPT_Wattributes, |
| 2659 | "ignoring %qE attribute set on initialized variable", |
| 2660 | name); |
| 2661 | goto fail; |
| 2662 | } |
| 2663 | /* If this var is thought to be common, then change this. "noinit" |
| 2664 | variables must be placed in an explicit ".noinit" section. */ |
| 2665 | DECL_COMMON (decl)((contains_struct_check ((decl), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2665, __FUNCTION__))->decl_with_vis.common_flag) = 0; |
| 2666 | } |
| 2667 | else if (strcmp (IDENTIFIER_POINTER (name)((const char *) (tree_check ((name), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2667, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ), "persistent") == 0) |
| 2668 | { |
| 2669 | if (DECL_COMMON (decl)((contains_struct_check ((decl), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2669, __FUNCTION__))->decl_with_vis.common_flag) || DECL_INITIAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2669, __FUNCTION__))->decl_common.initial) == NULL_TREE(tree) nullptr) |
| 2670 | { |
| 2671 | warning_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2671, __FUNCTION__))->decl_minimal.locus), OPT_Wattributes, |
| 2672 | "ignoring %qE attribute set on uninitialized variable", |
| 2673 | name); |
| 2674 | goto fail; |
| 2675 | } |
| 2676 | } |
| 2677 | else |
| 2678 | gcc_unreachable ()(fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2678, __FUNCTION__)); |
| 2679 | |
| 2680 | res = targetm.handle_generic_attribute (node, name, args, flags, |
| 2681 | no_add_attrs); |
| 2682 | |
| 2683 | /* If the back end confirms the attribute can be added then continue onto |
| 2684 | final processing. */ |
| 2685 | if (!(*no_add_attrs)) |
| 2686 | return res; |
| 2687 | |
| 2688 | fail: |
| 2689 | *no_add_attrs = true; |
| 2690 | return res; |
| 2691 | } |
| 2692 | |
| 2693 | /* Handle a "noplt" attribute; arguments as in |
| 2694 | struct attribute_spec.handler. */ |
| 2695 | |
| 2696 | static tree |
| 2697 | handle_noplt_attribute (tree *node, tree name, |
| 2698 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 2699 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 2700 | bool * ARG_UNUSED (no_add_attrs)no_add_attrs __attribute__ ((__unused__))) |
| 2701 | { |
| 2702 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 2703 | { |
| 2704 | warning (OPT_Wattributes, |
| 2705 | "%qE attribute is only applicable on functions", name); |
| 2706 | *no_add_attrs = true; |
| 2707 | return NULL_TREE(tree) nullptr; |
| 2708 | } |
| 2709 | return NULL_TREE(tree) nullptr; |
| 2710 | } |
| 2711 | |
| 2712 | /* Handle a "symver" attribute. */ |
| 2713 | |
| 2714 | static tree |
| 2715 | handle_symver_attribute (tree *node, tree ARG_UNUSED (name)name __attribute__ ((__unused__)), tree args, |
| 2716 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 2717 | { |
| 2718 | tree symver; |
| 2719 | const char *symver_str; |
| 2720 | |
| 2721 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL && TREE_CODE (*node)((enum tree_code) (*node)->base.code) != VAR_DECL) |
| 2722 | { |
| 2723 | warning (OPT_Wattributes, |
| 2724 | "%<symver%> attribute only applies to functions and variables"); |
| 2725 | *no_add_attrs = true; |
| 2726 | return NULL_TREE(tree) nullptr; |
| 2727 | } |
| 2728 | |
| 2729 | if (!decl_in_symtab_p (*node)) |
| 2730 | { |
| 2731 | warning (OPT_Wattributes, |
| 2732 | "%<symver%> attribute is only applicable to symbols"); |
| 2733 | *no_add_attrs = true; |
| 2734 | return NULL_TREE(tree) nullptr; |
| 2735 | } |
| 2736 | |
| 2737 | for (; args; args = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2737, __FUNCTION__))->common.chain)) |
| 2738 | { |
| 2739 | symver = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2739, __FUNCTION__, (TREE_LIST)))->list.value); |
| 2740 | if (TREE_CODE (symver)((enum tree_code) (symver)->base.code) != STRING_CST) |
| 2741 | { |
| 2742 | error ("%<symver%> attribute argument not a string constant"); |
| 2743 | *no_add_attrs = true; |
| 2744 | return NULL_TREE(tree) nullptr; |
| 2745 | } |
| 2746 | |
| 2747 | symver_str = TREE_STRING_POINTER (symver)((const char *)((tree_check ((symver), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2747, __FUNCTION__, (STRING_CST)))->string.str)); |
| 2748 | |
| 2749 | int ats = 0; |
| 2750 | for (int n = 0; (int)n < TREE_STRING_LENGTH (symver)((tree_check ((symver), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2750, __FUNCTION__, (STRING_CST)))->string.length); n++) |
| 2751 | if (symver_str[n] == '@') |
| 2752 | ats++; |
| 2753 | |
| 2754 | if (ats != 1 && ats != 2) |
| 2755 | { |
| 2756 | error ("symver attribute argument must have format %<name@nodename%>"); |
| 2757 | error ("%<symver%> attribute argument %qs must contain one or two " |
| 2758 | "%<@%>", symver_str); |
| 2759 | *no_add_attrs = true; |
| 2760 | return NULL_TREE(tree) nullptr; |
| 2761 | } |
| 2762 | } |
| 2763 | |
| 2764 | return NULL_TREE(tree) nullptr; |
| 2765 | } |
| 2766 | |
| 2767 | |
| 2768 | /* Handle an "alias" or "ifunc" attribute; arguments as in |
| 2769 | struct attribute_spec.handler, except that IS_ALIAS tells us |
| 2770 | whether this is an alias as opposed to ifunc attribute. */ |
| 2771 | |
| 2772 | static tree |
| 2773 | handle_alias_ifunc_attribute (bool is_alias, tree *node, tree name, tree args, |
| 2774 | bool *no_add_attrs) |
| 2775 | { |
| 2776 | tree decl = *node; |
| 2777 | |
| 2778 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) != FUNCTION_DECL |
| 2779 | && (!is_alias || !VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL))) |
| 2780 | { |
| 2781 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 2782 | *no_add_attrs = true; |
| 2783 | } |
| 2784 | else if ((TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL && DECL_INITIAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2784, __FUNCTION__))->decl_common.initial)) |
| 2785 | || (TREE_CODE (decl)((enum tree_code) (decl)->base.code) != FUNCTION_DECL |
| 2786 | && TREE_PUBLIC (decl)((decl)->base.public_flag) && !DECL_EXTERNAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2786, __FUNCTION__))->decl_common.decl_flag_1)) |
| 2787 | /* A static variable declaration is always a tentative definition, |
| 2788 | but the alias is a non-tentative definition which overrides. */ |
| 2789 | || (TREE_CODE (decl)((enum tree_code) (decl)->base.code) != FUNCTION_DECL |
| 2790 | && ! TREE_PUBLIC (decl)((decl)->base.public_flag) && DECL_INITIAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2790, __FUNCTION__))->decl_common.initial))) |
| 2791 | { |
| 2792 | error ("%q+D defined both normally and as %qE attribute", decl, name); |
| 2793 | *no_add_attrs = true; |
| 2794 | return NULL_TREE(tree) nullptr; |
| 2795 | } |
| 2796 | else if (!is_alias |
| 2797 | && (lookup_attribute ("weak", DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2797, __FUNCTION__))->decl_common.attributes)) |
| 2798 | || lookup_attribute ("weakref", DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2798, __FUNCTION__))->decl_common.attributes)))) |
| 2799 | { |
| 2800 | error ("weak %q+D cannot be defined %qE", decl, name); |
| 2801 | *no_add_attrs = true; |
| 2802 | return NULL_TREE(tree) nullptr; |
| 2803 | } |
| 2804 | |
| 2805 | /* Note that the very first time we process a nested declaration, |
| 2806 | decl_function_context will not be set. Indeed, *would* never |
| 2807 | be set except for the DECL_INITIAL/DECL_EXTERNAL frobbery that |
| 2808 | we do below. After such frobbery, pushdecl would set the context. |
| 2809 | In any case, this is never what we want. */ |
| 2810 | else if (decl_function_context (decl) == 0 && current_function_decl == NULLnullptr) |
| 2811 | { |
| 2812 | tree id; |
| 2813 | |
| 2814 | id = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2814, __FUNCTION__, (TREE_LIST)))->list.value); |
| 2815 | if (TREE_CODE (id)((enum tree_code) (id)->base.code) != STRING_CST) |
| 2816 | { |
| 2817 | error ("attribute %qE argument not a string", name); |
| 2818 | *no_add_attrs = true; |
| 2819 | return NULL_TREE(tree) nullptr; |
| 2820 | } |
| 2821 | id = get_identifier (TREE_STRING_POINTER (id))(__builtin_constant_p (((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2821, __FUNCTION__, (STRING_CST)))->string.str))) ? get_identifier_with_length ((((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2821, __FUNCTION__, (STRING_CST)))->string.str))), strlen (((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2821, __FUNCTION__, (STRING_CST)))->string.str)))) : get_identifier (((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2821, __FUNCTION__, (STRING_CST)))->string.str)))); |
| 2822 | /* This counts as a use of the object pointed to. */ |
| 2823 | TREE_USED (id)((id)->base.used_flag) = 1; |
| 2824 | |
| 2825 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL) |
| 2826 | DECL_INITIAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2826, __FUNCTION__))->decl_common.initial) = error_mark_nodeglobal_trees[TI_ERROR_MARK]; |
| 2827 | else |
| 2828 | TREE_STATIC (decl)((decl)->base.static_flag) = 1; |
| 2829 | |
| 2830 | if (!is_alias) |
| 2831 | { |
| 2832 | /* ifuncs are also aliases, so set that attribute too. */ |
| 2833 | DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2833, __FUNCTION__))->decl_common.attributes) |
| 2834 | = tree_cons (get_identifier ("alias")(__builtin_constant_p ("alias") ? get_identifier_with_length ( ("alias"), strlen ("alias")) : get_identifier ("alias")), args, |
| 2835 | DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2835, __FUNCTION__))->decl_common.attributes)); |
| 2836 | DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2836, __FUNCTION__))->decl_common.attributes) = tree_cons (get_identifier ("ifunc")(__builtin_constant_p ("ifunc") ? get_identifier_with_length ( ("ifunc"), strlen ("ifunc")) : get_identifier ("ifunc")), |
| 2837 | NULLnullptr, DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2837, __FUNCTION__))->decl_common.attributes)); |
| 2838 | } |
| 2839 | } |
| 2840 | else |
| 2841 | { |
| 2842 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 2843 | *no_add_attrs = true; |
| 2844 | } |
| 2845 | |
| 2846 | if (decl_in_symtab_p (*node)) |
| 2847 | { |
| 2848 | struct symtab_node *n = symtab_node::get (decl); |
| 2849 | if (n && n->refuse_visibility_changes) |
| 2850 | error ("%+qD declared %qs after being used", |
| 2851 | decl, is_alias ? "alias" : "ifunc"); |
| 2852 | } |
| 2853 | |
| 2854 | |
| 2855 | return NULL_TREE(tree) nullptr; |
| 2856 | } |
| 2857 | |
| 2858 | /* Handle an "alias" or "ifunc" attribute; arguments as in |
| 2859 | struct attribute_spec.handler. */ |
| 2860 | |
| 2861 | static tree |
| 2862 | handle_ifunc_attribute (tree *node, tree name, tree args, |
| 2863 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 2864 | { |
| 2865 | return handle_alias_ifunc_attribute (false, node, name, args, no_add_attrs); |
| 2866 | } |
| 2867 | |
| 2868 | /* Handle an "alias" or "ifunc" attribute; arguments as in |
| 2869 | struct attribute_spec.handler. */ |
| 2870 | |
| 2871 | static tree |
| 2872 | handle_alias_attribute (tree *node, tree name, tree args, |
| 2873 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 2874 | { |
| 2875 | return handle_alias_ifunc_attribute (true, node, name, args, no_add_attrs); |
| 2876 | } |
| 2877 | |
| 2878 | /* Handle the "copy" attribute NAME by copying the set of attributes |
| 2879 | from the symbol referenced by ARGS to the declaration of *NODE. */ |
| 2880 | |
| 2881 | static tree |
| 2882 | handle_copy_attribute (tree *node, tree name, tree args, |
| 2883 | int flags, bool *no_add_attrs) |
| 2884 | { |
| 2885 | /* Do not apply the copy attribute itself. It serves no purpose |
| 2886 | other than to copy other attributes. */ |
| 2887 | *no_add_attrs = true; |
| 2888 | |
| 2889 | tree decl = *node; |
| 2890 | |
| 2891 | tree ref = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2891, __FUNCTION__, (TREE_LIST)))->list.value); |
| 2892 | if (ref == error_mark_nodeglobal_trees[TI_ERROR_MARK]) |
| 2893 | return NULL_TREE(tree) nullptr; |
| 2894 | |
| 2895 | if (TREE_CODE (ref)((enum tree_code) (ref)->base.code) == STRING_CST) |
| 2896 | { |
| 2897 | /* Explicitly handle this case since using a string literal |
| 2898 | as an argument is a likely mistake. */ |
| 2899 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2899, __FUNCTION__))->decl_minimal.locus), |
| 2900 | "%qE attribute argument cannot be a string", |
| 2901 | name); |
| 2902 | return NULL_TREE(tree) nullptr; |
| 2903 | } |
| 2904 | |
| 2905 | if (CONSTANT_CLASS_P (ref)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (ref)->base.code))] == tcc_constant) |
| 2906 | && (INTEGRAL_TYPE_P (TREE_TYPE (ref))(((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2906, __FUNCTION__))->typed.type))->base.code) == ENUMERAL_TYPE || ((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2906, __FUNCTION__))->typed.type))->base.code) == BOOLEAN_TYPE || ((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2906, __FUNCTION__))->typed.type))->base.code) == INTEGER_TYPE ) |
| 2907 | || FLOAT_TYPE_P (TREE_TYPE (ref))((((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2907, __FUNCTION__))->typed.type))->base.code) == REAL_TYPE ) || ((((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2907, __FUNCTION__))->typed.type))->base.code) == COMPLEX_TYPE || (((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2907, __FUNCTION__))->typed.type))->base.code) == VECTOR_TYPE )) && (((enum tree_code) (((contains_struct_check ((( (contains_struct_check ((ref), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2907, __FUNCTION__))->typed.type)), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2907, __FUNCTION__))->typed.type))->base.code) == REAL_TYPE ))))) |
| 2908 | { |
| 2909 | /* Similar to the string case, since some function attributes |
| 2910 | accept literal numbers as arguments (e.g., alloc_size or |
| 2911 | nonnull) using one here is a likely mistake. */ |
| 2912 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2912, __FUNCTION__))->decl_minimal.locus), |
| 2913 | "%qE attribute argument cannot be a constant arithmetic " |
| 2914 | "expression", |
| 2915 | name); |
| 2916 | return NULL_TREE(tree) nullptr; |
| 2917 | } |
| 2918 | |
| 2919 | if (ref == node[1]) |
| 2920 | { |
| 2921 | /* Another possible mistake (but indirect self-references aren't |
| 2922 | and diagnosed and shouldn't be). */ |
| 2923 | if (warning_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2923, __FUNCTION__))->decl_minimal.locus), OPT_Wattributes, |
| 2924 | "%qE attribute ignored on a redeclaration " |
| 2925 | "of the referenced symbol", |
| 2926 | name)) |
| 2927 | inform (DECL_SOURCE_LOCATION (node[1])((contains_struct_check ((node[1]), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2927, __FUNCTION__))->decl_minimal.locus), |
| 2928 | "previous declaration here"); |
| 2929 | return NULL_TREE(tree) nullptr; |
| 2930 | } |
| 2931 | |
| 2932 | /* Consider address-of expressions in the attribute argument |
| 2933 | as requests to copy from the referenced entity. */ |
| 2934 | if (TREE_CODE (ref)((enum tree_code) (ref)->base.code) == ADDR_EXPR) |
| 2935 | ref = TREE_OPERAND (ref, 0)(*((const_cast<tree*> (tree_operand_check ((ref), (0), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2935, __FUNCTION__))))); |
| 2936 | |
| 2937 | do |
| 2938 | { |
| 2939 | /* Drill down into references to find the referenced decl. */ |
| 2940 | tree_code refcode = TREE_CODE (ref)((enum tree_code) (ref)->base.code); |
| 2941 | if (refcode == ARRAY_REF |
| 2942 | || refcode == INDIRECT_REF) |
| 2943 | ref = TREE_OPERAND (ref, 0)(*((const_cast<tree*> (tree_operand_check ((ref), (0), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2943, __FUNCTION__))))); |
| 2944 | else if (refcode == COMPONENT_REF) |
| 2945 | ref = TREE_OPERAND (ref, 1)(*((const_cast<tree*> (tree_operand_check ((ref), (1), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2945, __FUNCTION__))))); |
| 2946 | else |
| 2947 | break; |
| 2948 | } while (!DECL_P (ref)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (ref)->base.code))] == tcc_declaration)); |
| 2949 | |
| 2950 | /* For object pointer expressions, consider those to be requests |
| 2951 | to copy from their type, such as in: |
| 2952 | struct __attribute__ (copy ((struct T *)0)) U { ... }; |
| 2953 | which copies type attributes from struct T to the declaration |
| 2954 | of struct U. */ |
| 2955 | if ((CONSTANT_CLASS_P (ref)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (ref)->base.code))] == tcc_constant) || EXPR_P (ref)((tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) >= tcc_reference && (tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) <= tcc_expression)) |
| 2956 | && POINTER_TYPE_P (TREE_TYPE (ref))(((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2956, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2956, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE ) |
| 2957 | && !FUNCTION_POINTER_TYPE_P (TREE_TYPE (ref))((((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2957, __FUNCTION__))->typed.type))->base.code) == POINTER_TYPE || ((enum tree_code) (((contains_struct_check ((ref), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2957, __FUNCTION__))->typed.type))->base.code) == REFERENCE_TYPE ) && ((enum tree_code) (((contains_struct_check ((((contains_struct_check ((ref), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2957, __FUNCTION__))->typed.type)), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2957, __FUNCTION__))->typed.type))->base.code) == FUNCTION_TYPE )) |
| 2958 | ref = TREE_TYPE (ref)((contains_struct_check ((ref), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2958, __FUNCTION__))->typed.type); |
| 2959 | |
| 2960 | tree reftype = TYPE_P (ref)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (ref)->base.code))] == tcc_type) ? ref : TREE_TYPE (ref)((contains_struct_check ((ref), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2960, __FUNCTION__))->typed.type); |
| 2961 | |
| 2962 | if (DECL_P (decl)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (decl)->base.code))] == tcc_declaration)) |
| 2963 | { |
| 2964 | if ((VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) |
| 2965 | && (TREE_CODE (ref)((enum tree_code) (ref)->base.code) == FUNCTION_DECL |
| 2966 | || (EXPR_P (ref)((tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) >= tcc_reference && (tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) <= tcc_expression) |
| 2967 | && POINTER_TYPE_P (reftype)(((enum tree_code) (reftype)->base.code) == POINTER_TYPE || ((enum tree_code) (reftype)->base.code) == REFERENCE_TYPE ) |
| 2968 | && FUNC_OR_METHOD_TYPE_P (TREE_TYPE (reftype))(((enum tree_code) (((contains_struct_check ((reftype), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2968, __FUNCTION__))->typed.type))->base.code) == FUNCTION_TYPE || ((enum tree_code) (((contains_struct_check ((reftype), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2968, __FUNCTION__))->typed.type))->base.code) == METHOD_TYPE )))) |
| 2969 | || (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL |
| 2970 | && (VAR_P (ref)(((enum tree_code) (ref)->base.code) == VAR_DECL) |
| 2971 | || (EXPR_P (ref)((tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) >= tcc_reference && (tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) <= tcc_expression) |
| 2972 | && !FUNC_OR_METHOD_TYPE_P (reftype)(((enum tree_code) (reftype)->base.code) == FUNCTION_TYPE || ((enum tree_code) (reftype)->base.code) == METHOD_TYPE) |
| 2973 | && (!POINTER_TYPE_P (reftype)(((enum tree_code) (reftype)->base.code) == POINTER_TYPE || ((enum tree_code) (reftype)->base.code) == REFERENCE_TYPE ) |
| 2974 | || !FUNC_OR_METHOD_TYPE_P (TREE_TYPE (reftype))(((enum tree_code) (((contains_struct_check ((reftype), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2974, __FUNCTION__))->typed.type))->base.code) == FUNCTION_TYPE || ((enum tree_code) (((contains_struct_check ((reftype), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2974, __FUNCTION__))->typed.type))->base.code) == METHOD_TYPE )))))) |
| 2975 | { |
| 2976 | /* It makes no sense to try to copy function attributes |
| 2977 | to a variable, or variable attributes to a function. */ |
| 2978 | if (warning (OPT_Wattributes, |
| 2979 | "%qE attribute ignored on a declaration of " |
| 2980 | "a different kind than referenced symbol", |
| 2981 | name) |
| 2982 | && DECL_P (ref)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (ref)->base.code))] == tcc_declaration)) |
| 2983 | inform (DECL_SOURCE_LOCATION (ref)((contains_struct_check ((ref), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2983, __FUNCTION__))->decl_minimal.locus), |
| 2984 | "symbol %qD referenced by %qD declared here", ref, decl); |
| 2985 | return NULL_TREE(tree) nullptr; |
| 2986 | } |
| 2987 | |
| 2988 | tree attrs = NULL_TREE(tree) nullptr; |
| 2989 | if (DECL_P (ref)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (ref)->base.code))] == tcc_declaration)) |
| 2990 | attrs = DECL_ATTRIBUTES (ref)((contains_struct_check ((ref), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2990, __FUNCTION__))->decl_common.attributes); |
| 2991 | else if (TYPE_P (ref)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (ref)->base.code))] == tcc_type)) |
| 2992 | attrs = TYPE_ATTRIBUTES (ref)((tree_class_check ((ref), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2992, __FUNCTION__))->type_common.attributes); |
| 2993 | |
| 2994 | /* Copy decl attributes from REF to DECL. */ |
| 2995 | for (tree at = attrs; at; at = TREE_CHAIN (at)((contains_struct_check ((at), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 2995, __FUNCTION__))->common.chain)) |
| 2996 | { |
| 2997 | /* Avoid copying attributes that affect a symbol linkage, |
| 2998 | inlining, or visibility since those in all likelihood |
| 2999 | only apply to the target. |
| 3000 | FIXME: make it possible to specify which attributes to |
| 3001 | copy or not to copy in the copy attribute itself. */ |
| 3002 | tree atname = get_attribute_name (at); |
| 3003 | if (is_attribute_p ("alias", atname) |
| 3004 | || is_attribute_p ("always_inline", atname) |
| 3005 | || is_attribute_p ("gnu_inline", atname) |
| 3006 | || is_attribute_p ("ifunc", atname) |
| 3007 | || is_attribute_p ("noinline", atname) |
| 3008 | || is_attribute_p ("visibility", atname) |
| 3009 | || is_attribute_p ("weak", atname) |
| 3010 | || is_attribute_p ("weakref", atname) |
| 3011 | || is_attribute_p ("target_clones", atname)) |
| 3012 | continue; |
| 3013 | |
| 3014 | /* Attribute leaf only applies to extern functions. |
| 3015 | Avoid copying it to static ones. */ |
| 3016 | if (!TREE_PUBLIC (decl)((decl)->base.public_flag) |
| 3017 | && is_attribute_p ("leaf", atname)) |
| 3018 | continue; |
| 3019 | |
| 3020 | tree atargs = TREE_VALUE (at)((tree_check ((at), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3020, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3021 | /* Create a copy of just the one attribute ar AT, including |
| 3022 | its argumentsm and add it to DECL. */ |
| 3023 | tree attr = tree_cons (atname, copy_list (atargs), NULL_TREE(tree) nullptr); |
| 3024 | decl_attributes (node, attr, flags, EXPR_P (ref)((tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) >= tcc_reference && (tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) <= tcc_expression) ? NULL_TREE(tree) nullptr : ref); |
| 3025 | } |
| 3026 | |
| 3027 | /* Proceed to copy type attributes below. */ |
| 3028 | } |
| 3029 | else if (!TYPE_P (decl)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (decl)->base.code))] == tcc_type)) |
| 3030 | { |
| 3031 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3031, __FUNCTION__))->decl_minimal.locus), |
| 3032 | "%qE attribute must apply to a declaration", |
| 3033 | name); |
| 3034 | return NULL_TREE(tree) nullptr; |
| 3035 | } |
| 3036 | |
| 3037 | /* A function declared with attribute nothrow has the attribute |
| 3038 | attached to it, but a C++ throw() function does not. */ |
| 3039 | if (TREE_NOTHROW (ref)((ref)->base.nothrow_flag)) |
| 3040 | TREE_NOTHROW (decl)((decl)->base.nothrow_flag) = true; |
| 3041 | |
| 3042 | /* Similarly, a function declared with attribute noreturn has it |
| 3043 | attached on to it, but a C11 _Noreturn function does not. */ |
| 3044 | if (DECL_P (ref)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (ref)->base.code))] == tcc_declaration) |
| 3045 | && TREE_THIS_VOLATILE (ref)((ref)->base.volatile_flag) |
| 3046 | && FUNC_OR_METHOD_TYPE_P (reftype)(((enum tree_code) (reftype)->base.code) == FUNCTION_TYPE || ((enum tree_code) (reftype)->base.code) == METHOD_TYPE)) |
| 3047 | TREE_THIS_VOLATILE (decl)((decl)->base.volatile_flag) = true; |
| 3048 | |
| 3049 | if (POINTER_TYPE_P (reftype)(((enum tree_code) (reftype)->base.code) == POINTER_TYPE || ((enum tree_code) (reftype)->base.code) == REFERENCE_TYPE )) |
| 3050 | reftype = TREE_TYPE (reftype)((contains_struct_check ((reftype), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3050, __FUNCTION__))->typed.type); |
| 3051 | |
| 3052 | if (!TYPE_P (reftype)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (reftype)->base.code))] == tcc_type)) |
| 3053 | return NULL_TREE(tree) nullptr; |
| 3054 | |
| 3055 | tree attrs = TYPE_ATTRIBUTES (reftype)((tree_class_check ((reftype), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3055, __FUNCTION__))->type_common.attributes); |
| 3056 | |
| 3057 | /* Copy type attributes from REF to DECL. Pass in REF if it's a DECL |
| 3058 | or a type but not if it's an expression. Set ATTR_FLAG_INTERNAL |
| 3059 | since the attributes' arguments may be in their internal form. */ |
| 3060 | for (tree at = attrs; at; at = TREE_CHAIN (at)((contains_struct_check ((at), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3060, __FUNCTION__))->common.chain)) |
| 3061 | decl_attributes (node, at, flags | ATTR_FLAG_INTERNAL, |
| 3062 | EXPR_P (ref)((tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) >= tcc_reference && (tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (ref)->base.code))]) <= tcc_expression) ? NULL_TREE(tree) nullptr : ref); |
| 3063 | |
| 3064 | return NULL_TREE(tree) nullptr; |
| 3065 | } |
| 3066 | |
| 3067 | /* Handle a "weakref" attribute; arguments as in struct |
| 3068 | attribute_spec.handler. */ |
| 3069 | |
| 3070 | static tree |
| 3071 | handle_weakref_attribute (tree *node, tree name, tree args, |
| 3072 | int flags, bool *no_add_attrs) |
| 3073 | { |
| 3074 | tree attr = NULL_TREE(tree) nullptr; |
| 3075 | |
| 3076 | /* We must ignore the attribute when it is associated with |
| 3077 | local-scoped decls, since attribute alias is ignored and many |
| 3078 | such symbols do not even have a DECL_WEAK field. */ |
| 3079 | if (decl_function_context (*node) |
| 3080 | || current_function_decl |
| 3081 | || !VAR_OR_FUNCTION_DECL_P (*node)(((enum tree_code) (*node)->base.code) == VAR_DECL || ((enum tree_code) (*node)->base.code) == FUNCTION_DECL)) |
| 3082 | { |
| 3083 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 3084 | *no_add_attrs = true; |
| 3085 | return NULL_TREE(tree) nullptr; |
| 3086 | } |
| 3087 | |
| 3088 | if (lookup_attribute ("ifunc", DECL_ATTRIBUTES (*node)((contains_struct_check ((*node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3088, __FUNCTION__))->decl_common.attributes))) |
| 3089 | { |
| 3090 | error ("indirect function %q+D cannot be declared %qE", |
| 3091 | *node, name); |
| 3092 | *no_add_attrs = true; |
| 3093 | return NULL_TREE(tree) nullptr; |
| 3094 | } |
| 3095 | |
| 3096 | /* The idea here is that `weakref("name")' mutates into `weakref, |
| 3097 | alias("name")', and weakref without arguments, in turn, |
| 3098 | implicitly adds weak. */ |
| 3099 | |
| 3100 | if (args) |
| 3101 | { |
| 3102 | attr = tree_cons (get_identifier ("alias")(__builtin_constant_p ("alias") ? get_identifier_with_length ( ("alias"), strlen ("alias")) : get_identifier ("alias")), args, attr); |
| 3103 | attr = tree_cons (get_identifier ("weakref")(__builtin_constant_p ("weakref") ? get_identifier_with_length (("weakref"), strlen ("weakref")) : get_identifier ("weakref" )), NULL_TREE(tree) nullptr, attr); |
| 3104 | |
| 3105 | *no_add_attrs = true; |
| 3106 | |
| 3107 | decl_attributes (node, attr, flags); |
| 3108 | } |
| 3109 | else |
| 3110 | { |
| 3111 | if (lookup_attribute ("alias", DECL_ATTRIBUTES (*node)((contains_struct_check ((*node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3111, __FUNCTION__))->decl_common.attributes))) |
| 3112 | error_at (DECL_SOURCE_LOCATION (*node)((contains_struct_check ((*node), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3112, __FUNCTION__))->decl_minimal.locus), |
| 3113 | "%qE attribute must appear before %qs attribute", |
| 3114 | name, "alias"); |
| 3115 | |
| 3116 | /* Can't call declare_weak because it wants this to be TREE_PUBLIC, |
| 3117 | and that isn't supported; and because it wants to add it to |
| 3118 | the list of weak decls, which isn't helpful. */ |
| 3119 | DECL_WEAK (*node)((contains_struct_check ((*node), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3119, __FUNCTION__))->decl_with_vis.weak_flag) = 1; |
| 3120 | } |
| 3121 | |
| 3122 | if (decl_in_symtab_p (*node)) |
| 3123 | { |
| 3124 | struct symtab_node *n = symtab_node::get (*node); |
| 3125 | if (n && n->refuse_visibility_changes) |
| 3126 | error ("%+qD declared %qE after being used", *node, name); |
| 3127 | } |
| 3128 | |
| 3129 | return NULL_TREE(tree) nullptr; |
| 3130 | } |
| 3131 | |
| 3132 | /* Handle an "visibility" attribute; arguments as in |
| 3133 | struct attribute_spec.handler. */ |
| 3134 | |
| 3135 | static tree |
| 3136 | handle_visibility_attribute (tree *node, tree name, tree args, |
| 3137 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 3138 | bool *ARG_UNUSED (no_add_attrs)no_add_attrs __attribute__ ((__unused__))) |
| 3139 | { |
| 3140 | tree decl = *node; |
| 3141 | tree id = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3141, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3142 | enum symbol_visibility vis; |
| 3143 | |
| 3144 | if (TYPE_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_type)) |
| 3145 | { |
| 3146 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == ENUMERAL_TYPE) |
| 3147 | /* OK */; |
| 3148 | else if (!RECORD_OR_UNION_TYPE_P (*node)(((enum tree_code) (*node)->base.code) == RECORD_TYPE || ( (enum tree_code) (*node)->base.code) == UNION_TYPE || ((enum tree_code) (*node)->base.code) == QUAL_UNION_TYPE)) |
| 3149 | { |
| 3150 | warning (OPT_Wattributes, "%qE attribute ignored on non-class types", |
| 3151 | name); |
| 3152 | return NULL_TREE(tree) nullptr; |
| 3153 | } |
| 3154 | else if (TYPE_FIELDS (*node)((tree_check3 ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3154, __FUNCTION__, (RECORD_TYPE), (UNION_TYPE), (QUAL_UNION_TYPE )))->type_non_common.values)) |
| 3155 | { |
| 3156 | error ("%qE attribute ignored because %qT is already defined", |
| 3157 | name, *node); |
| 3158 | return NULL_TREE(tree) nullptr; |
| 3159 | } |
| 3160 | } |
| 3161 | else if (decl_function_context (decl) != 0 || !TREE_PUBLIC (decl)((decl)->base.public_flag)) |
| 3162 | { |
| 3163 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 3164 | return NULL_TREE(tree) nullptr; |
| 3165 | } |
| 3166 | |
| 3167 | if (TREE_CODE (id)((enum tree_code) (id)->base.code) != STRING_CST) |
| 3168 | { |
| 3169 | error ("visibility argument not a string"); |
| 3170 | return NULL_TREE(tree) nullptr; |
| 3171 | } |
| 3172 | |
| 3173 | /* If this is a type, set the visibility on the type decl. */ |
| 3174 | if (TYPE_P (decl)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (decl)->base.code))] == tcc_type)) |
| 3175 | { |
| 3176 | decl = TYPE_NAME (decl)((tree_class_check ((decl), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3176, __FUNCTION__))->type_common.name); |
| 3177 | if (!decl) |
| 3178 | return NULL_TREE(tree) nullptr; |
| 3179 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == IDENTIFIER_NODE) |
| 3180 | { |
| 3181 | warning (OPT_Wattributes, "%qE attribute ignored on types", |
| 3182 | name); |
| 3183 | return NULL_TREE(tree) nullptr; |
| 3184 | } |
| 3185 | } |
| 3186 | |
| 3187 | if (strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3187, __FUNCTION__, (STRING_CST)))->string.str)), "default") == 0) |
| 3188 | vis = VISIBILITY_DEFAULT; |
| 3189 | else if (strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3189, __FUNCTION__, (STRING_CST)))->string.str)), "internal") == 0) |
| 3190 | vis = VISIBILITY_INTERNAL; |
| 3191 | else if (strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3191, __FUNCTION__, (STRING_CST)))->string.str)), "hidden") == 0) |
| 3192 | vis = VISIBILITY_HIDDEN; |
| 3193 | else if (strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3193, __FUNCTION__, (STRING_CST)))->string.str)), "protected") == 0) |
| 3194 | vis = VISIBILITY_PROTECTED; |
| 3195 | else |
| 3196 | { |
| 3197 | error ("attribute %qE argument must be one of %qs, %qs, %qs, or %qs", |
| 3198 | name, "default", "hidden", "protected", "internal"); |
| 3199 | vis = VISIBILITY_DEFAULT; |
| 3200 | } |
| 3201 | |
| 3202 | if (DECL_VISIBILITY_SPECIFIED (decl)((contains_struct_check ((decl), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3202, __FUNCTION__))->decl_with_vis.visibility_specified ) |
| 3203 | && vis != DECL_VISIBILITY (decl)((contains_struct_check ((decl), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3203, __FUNCTION__))->decl_with_vis.visibility)) |
| 3204 | { |
| 3205 | tree attributes = (TYPE_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_type) |
| 3206 | ? TYPE_ATTRIBUTES (*node)((tree_class_check ((*node), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3206, __FUNCTION__))->type_common.attributes) |
| 3207 | : DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3207, __FUNCTION__))->decl_common.attributes)); |
| 3208 | if (lookup_attribute ("visibility", attributes)) |
| 3209 | error ("%qD redeclared with different visibility", decl); |
| 3210 | else if (TARGET_DLLIMPORT_DECL_ATTRIBUTES0 |
| 3211 | && lookup_attribute ("dllimport", attributes)) |
| 3212 | error ("%qD was declared %qs which implies default visibility", |
| 3213 | decl, "dllimport"); |
| 3214 | else if (TARGET_DLLIMPORT_DECL_ATTRIBUTES0 |
| 3215 | && lookup_attribute ("dllexport", attributes)) |
| 3216 | error ("%qD was declared %qs which implies default visibility", |
| 3217 | decl, "dllexport"); |
| 3218 | } |
| 3219 | |
| 3220 | DECL_VISIBILITY (decl)((contains_struct_check ((decl), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3220, __FUNCTION__))->decl_with_vis.visibility) = vis; |
| 3221 | DECL_VISIBILITY_SPECIFIED (decl)((contains_struct_check ((decl), (TS_DECL_WITH_VIS), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3221, __FUNCTION__))->decl_with_vis.visibility_specified ) = 1; |
| 3222 | |
| 3223 | /* Go ahead and attach the attribute to the node as well. This is needed |
| 3224 | so we can determine whether we have VISIBILITY_DEFAULT because the |
| 3225 | visibility was not specified, or because it was explicitly overridden |
| 3226 | from the containing scope. */ |
| 3227 | |
| 3228 | return NULL_TREE(tree) nullptr; |
| 3229 | } |
| 3230 | |
| 3231 | /* Handle an "tls_model" attribute; arguments as in |
| 3232 | struct attribute_spec.handler. */ |
| 3233 | |
| 3234 | static tree |
| 3235 | handle_tls_model_attribute (tree *node, tree name, tree args, |
| 3236 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 3237 | bool *ARG_UNUSED (no_add_attrs)no_add_attrs __attribute__ ((__unused__))) |
| 3238 | { |
| 3239 | tree id; |
| 3240 | tree decl = *node; |
| 3241 | enum tls_model kind; |
| 3242 | |
| 3243 | if (!VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL)) |
| 3244 | { |
| 3245 | warning (OPT_Wattributes, "%qE attribute ignored because %qD " |
| 3246 | "is not a variable", |
| 3247 | name, decl); |
| 3248 | return NULL_TREE(tree) nullptr; |
| 3249 | } |
| 3250 | |
| 3251 | if (!DECL_THREAD_LOCAL_P (decl)((((decl)->base.static_flag) || ((contains_struct_check (( decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3251, __FUNCTION__))->decl_common.decl_flag_1)) && decl_tls_model (decl) >= TLS_MODEL_REAL)) |
| 3252 | { |
| 3253 | warning (OPT_Wattributes, "%qE attribute ignored because %qD does " |
| 3254 | "not have thread storage duration", name, decl); |
| 3255 | return NULL_TREE(tree) nullptr; |
| 3256 | } |
| 3257 | |
| 3258 | kind = DECL_TLS_MODEL (decl)decl_tls_model (decl); |
| 3259 | id = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3259, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3260 | if (TREE_CODE (id)((enum tree_code) (id)->base.code) != STRING_CST) |
| 3261 | { |
| 3262 | error ("%qE argument not a string", name); |
| 3263 | return NULL_TREE(tree) nullptr; |
| 3264 | } |
| 3265 | |
| 3266 | if (!strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3266, __FUNCTION__, (STRING_CST)))->string.str)), "local-exec")) |
| 3267 | kind = TLS_MODEL_LOCAL_EXEC; |
| 3268 | else if (!strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3268, __FUNCTION__, (STRING_CST)))->string.str)), "initial-exec")) |
| 3269 | kind = TLS_MODEL_INITIAL_EXEC; |
| 3270 | else if (!strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3270, __FUNCTION__, (STRING_CST)))->string.str)), "local-dynamic")) |
| 3271 | kind = optimizeglobal_options.x_optimize ? TLS_MODEL_LOCAL_DYNAMIC : TLS_MODEL_GLOBAL_DYNAMIC; |
| 3272 | else if (!strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3272, __FUNCTION__, (STRING_CST)))->string.str)), "global-dynamic")) |
| 3273 | kind = TLS_MODEL_GLOBAL_DYNAMIC; |
| 3274 | else |
| 3275 | error ("%qE argument must be one of %qs, %qs, %qs, or %qs", |
| 3276 | name, |
| 3277 | "local-exec", "initial-exec", "local-dynamic", "global-dynamic"); |
| 3278 | |
| 3279 | set_decl_tls_model (decl, kind); |
| 3280 | return NULL_TREE(tree) nullptr; |
| 3281 | } |
| 3282 | |
| 3283 | /* Handle a "no_instrument_function" attribute; arguments as in |
| 3284 | struct attribute_spec.handler. */ |
| 3285 | |
| 3286 | static tree |
| 3287 | handle_no_instrument_function_attribute (tree *node, tree name, |
| 3288 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 3289 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 3290 | bool *no_add_attrs) |
| 3291 | { |
| 3292 | tree decl = *node; |
| 3293 | |
| 3294 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) != FUNCTION_DECL) |
| 3295 | { |
| 3296 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3296, __FUNCTION__))->decl_minimal.locus), |
| 3297 | "%qE attribute applies only to functions", name); |
| 3298 | *no_add_attrs = true; |
| 3299 | } |
| 3300 | else |
| 3301 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (decl)((tree_check ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3301, __FUNCTION__, (FUNCTION_DECL)))->function_decl.no_instrument_function_entry_exit ) = 1; |
| 3302 | |
| 3303 | return NULL_TREE(tree) nullptr; |
| 3304 | } |
| 3305 | |
| 3306 | /* Handle a "no_profile_instrument_function" attribute; arguments as in |
| 3307 | struct attribute_spec.handler. */ |
| 3308 | |
| 3309 | static tree |
| 3310 | handle_no_profile_instrument_function_attribute (tree *node, tree name, tree, |
| 3311 | int, bool *no_add_attrs) |
| 3312 | { |
| 3313 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 3314 | { |
| 3315 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 3316 | *no_add_attrs = true; |
| 3317 | } |
| 3318 | |
| 3319 | return NULL_TREE(tree) nullptr; |
| 3320 | } |
| 3321 | |
| 3322 | /* If ALLOC_DECL and DEALLOC_DECL are a pair of user-defined functions, |
| 3323 | if they are declared inline issue warnings and return null. Otherwise |
| 3324 | create attribute noinline, install it in ALLOC_DECL, and return it. |
| 3325 | Otherwise return null. */ |
| 3326 | |
| 3327 | static tree |
| 3328 | maybe_add_noinline (tree name, tree alloc_decl, tree dealloc_decl, |
| 3329 | bool *no_add_attrs) |
| 3330 | { |
| 3331 | if (fndecl_built_in_p (alloc_decl) || fndecl_built_in_p (dealloc_decl)) |
| 3332 | return NULL_TREE(tree) nullptr; |
| 3333 | |
| 3334 | /* When inlining (or optimization) is enabled and the allocator and |
| 3335 | deallocator are not built-in functions, ignore the attribute on |
| 3336 | functions declared inline since it could lead to false positives |
| 3337 | when inlining one or the other call would wind up calling |
| 3338 | a mismatched allocator or deallocator. */ |
| 3339 | if ((optimizeglobal_options.x_optimize && DECL_DECLARED_INLINE_P (alloc_decl)((tree_check ((alloc_decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3339, __FUNCTION__, (FUNCTION_DECL)))->function_decl.declared_inline_flag )) |
| 3340 | || lookup_attribute ("always_inline", DECL_ATTRIBUTES (alloc_decl)((contains_struct_check ((alloc_decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3340, __FUNCTION__))->decl_common.attributes))) |
| 3341 | { |
| 3342 | warning (OPT_Wattributes, |
| 3343 | "%<%E (%E)%> attribute ignored on functions " |
| 3344 | "declared %qs", name, DECL_NAME (dealloc_decl)((contains_struct_check ((dealloc_decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3344, __FUNCTION__))->decl_minimal.name), "inline"); |
| 3345 | *no_add_attrs = true; |
| 3346 | return NULL_TREE(tree) nullptr; |
| 3347 | } |
| 3348 | |
| 3349 | if ((optimizeglobal_options.x_optimize && DECL_DECLARED_INLINE_P (dealloc_decl)((tree_check ((dealloc_decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3349, __FUNCTION__, (FUNCTION_DECL)))->function_decl.declared_inline_flag )) |
| 3350 | || lookup_attribute ("always_inline", DECL_ATTRIBUTES (dealloc_decl)((contains_struct_check ((dealloc_decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3350, __FUNCTION__))->decl_common.attributes))) |
| 3351 | { |
| 3352 | warning (OPT_Wattributes, |
| 3353 | "%<%E (%E)%> attribute ignored with deallocation " |
| 3354 | "functions declared %qs", |
| 3355 | name, DECL_NAME (dealloc_decl)((contains_struct_check ((dealloc_decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3355, __FUNCTION__))->decl_minimal.name), "inline"); |
| 3356 | inform (DECL_SOURCE_LOCATION (dealloc_decl)((contains_struct_check ((dealloc_decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3356, __FUNCTION__))->decl_minimal.locus), |
| 3357 | "deallocation function declared here" ); |
| 3358 | *no_add_attrs = true; |
| 3359 | return NULL_TREE(tree) nullptr; |
| 3360 | } |
| 3361 | |
| 3362 | /* Disable inlining for non-standard deallocators to avoid false |
| 3363 | positives due to mismatches between the inlined implementation |
| 3364 | of one and not the other pair of functions. */ |
| 3365 | tree attr = tree_cons (get_identifier ("noinline")(__builtin_constant_p ("noinline") ? get_identifier_with_length (("noinline"), strlen ("noinline")) : get_identifier ("noinline" )), NULL_TREE(tree) nullptr, NULL_TREE(tree) nullptr); |
| 3366 | decl_attributes (&alloc_decl, attr, 0); |
| 3367 | return attr; |
| 3368 | } |
| 3369 | |
| 3370 | /* Handle the "malloc" attribute. */ |
| 3371 | |
| 3372 | static tree |
| 3373 | handle_malloc_attribute (tree *node, tree name, tree args, int flags, |
| 3374 | bool *no_add_attrs) |
| 3375 | { |
| 3376 | if (flags & ATTR_FLAG_INTERNAL) |
| 3377 | /* Recursive call. */ |
| 3378 | return NULL_TREE(tree) nullptr; |
| 3379 | |
| 3380 | tree fndecl = *node; |
| 3381 | |
| 3382 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) != FUNCTION_DECL) |
| 3383 | { |
| 3384 | warning (OPT_Wattributes, "%qE attribute ignored; valid only " |
| 3385 | "for functions", |
| 3386 | name); |
| 3387 | *no_add_attrs = true; |
| 3388 | return NULL_TREE(tree) nullptr; |
| 3389 | } |
| 3390 | |
| 3391 | tree rettype = TREE_TYPE (TREE_TYPE (*node))((contains_struct_check ((((contains_struct_check ((*node), ( TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3391, __FUNCTION__))->typed.type)), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3391, __FUNCTION__))->typed.type); |
| 3392 | if (!POINTER_TYPE_P (rettype)(((enum tree_code) (rettype)->base.code) == POINTER_TYPE || ((enum tree_code) (rettype)->base.code) == REFERENCE_TYPE )) |
| 3393 | { |
| 3394 | warning (OPT_Wattributes, "%qE attribute ignored on functions " |
| 3395 | "returning %qT; valid only for pointer return types", |
| 3396 | name, rettype); |
| 3397 | *no_add_attrs = true; |
| 3398 | return NULL_TREE(tree) nullptr; |
| 3399 | } |
| 3400 | |
| 3401 | if (!args) |
| 3402 | { |
| 3403 | /* Only the form of the attribute with no arguments declares |
| 3404 | a function malloc-like. */ |
| 3405 | DECL_IS_MALLOC (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3405, __FUNCTION__, (FUNCTION_DECL)))->function_decl.malloc_flag ) = 1; |
| 3406 | return NULL_TREE(tree) nullptr; |
| 3407 | } |
| 3408 | |
| 3409 | tree dealloc = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3409, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3410 | if (error_operand_p (dealloc)) |
| 3411 | { |
| 3412 | /* If the argument is in error it will have already been diagnosed. |
| 3413 | Avoid issuing redundant errors here. */ |
| 3414 | *no_add_attrs = true; |
| 3415 | return NULL_TREE(tree) nullptr; |
| 3416 | } |
| 3417 | |
| 3418 | STRIP_NOPS (dealloc)(dealloc) = tree_strip_nop_conversions ((const_cast<union tree_node *> (((dealloc))))); |
| 3419 | if (TREE_CODE (dealloc)((enum tree_code) (dealloc)->base.code) == ADDR_EXPR) |
| 3420 | { |
| 3421 | /* In C++ the argument may be wrapped in a cast to disambiguate |
| 3422 | one of a number of overloads (such as operator delete). To |
| 3423 | make things interesting, the cast looks different between |
| 3424 | different C++ versions. Strip it and install the attribute |
| 3425 | with the disambiguated function. */ |
| 3426 | dealloc = TREE_OPERAND (dealloc, 0)(*((const_cast<tree*> (tree_operand_check ((dealloc), ( 0), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3426, __FUNCTION__))))); |
| 3427 | |
| 3428 | *no_add_attrs = true; |
| 3429 | tree attr = tree_cons (NULL_TREE(tree) nullptr, dealloc, TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3429, __FUNCTION__))->common.chain)); |
| 3430 | attr = build_tree_list (name, attr); |
| 3431 | return decl_attributes (node, attr, 0); |
| 3432 | } |
| 3433 | |
| 3434 | if (TREE_CODE (dealloc)((enum tree_code) (dealloc)->base.code) != FUNCTION_DECL) |
| 3435 | { |
| 3436 | if (TREE_CODE (dealloc)((enum tree_code) (dealloc)->base.code) == OVERLOAD) |
| 3437 | { |
| 3438 | /* Handle specially the common case of specifying one of a number |
| 3439 | of overloads, such as operator delete. */ |
| 3440 | error ("%qE attribute argument 1 is ambiguous", name); |
| 3441 | inform (input_location, |
| 3442 | "use a cast to the expected type to disambiguate"); |
| 3443 | *no_add_attrs = true; |
| 3444 | return NULL_TREE(tree) nullptr; |
| 3445 | } |
| 3446 | |
| 3447 | error ("%qE attribute argument 1 does not name a function", name); |
| 3448 | if (DECL_P (dealloc)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (dealloc)->base.code))] == tcc_declaration)) |
| 3449 | inform (DECL_SOURCE_LOCATION (dealloc)((contains_struct_check ((dealloc), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3449, __FUNCTION__))->decl_minimal.locus), |
| 3450 | "argument references a symbol declared here"); |
| 3451 | *no_add_attrs = true; |
| 3452 | return NULL_TREE(tree) nullptr; |
| 3453 | } |
| 3454 | |
| 3455 | /* Mentioning the deallocation function qualifies as its use. */ |
| 3456 | TREE_USED (dealloc)((dealloc)->base.used_flag) = 1; |
| 3457 | |
| 3458 | tree fntype = TREE_TYPE (dealloc)((contains_struct_check ((dealloc), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3458, __FUNCTION__))->typed.type); |
| 3459 | tree argpos = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3459, __FUNCTION__))->common.chain) ? TREE_VALUE (TREE_CHAIN (args))((tree_check ((((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3459, __FUNCTION__))->common.chain)), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3459, __FUNCTION__, (TREE_LIST)))->list.value) : NULL_TREE(tree) nullptr; |
| 3460 | if (!argpos) |
| 3461 | { |
| 3462 | tree argtypes = TYPE_ARG_TYPES (fntype)((tree_check2 ((fntype), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3462, __FUNCTION__, (FUNCTION_TYPE), (METHOD_TYPE)))->type_non_common .values); |
| 3463 | if (!argtypes) |
| 3464 | { |
| 3465 | /* Reject functions without a prototype. */ |
| 3466 | error ("%qE attribute argument 1 must take a pointer " |
| 3467 | "type as its first argument", name); |
| 3468 | inform (DECL_SOURCE_LOCATION (dealloc)((contains_struct_check ((dealloc), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3468, __FUNCTION__))->decl_minimal.locus), |
| 3469 | "referenced symbol declared here"); |
| 3470 | *no_add_attrs = true; |
| 3471 | return NULL_TREE(tree) nullptr; |
| 3472 | } |
| 3473 | |
| 3474 | tree argtype = TREE_VALUE (argtypes)((tree_check ((argtypes), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3474, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3475 | if (TREE_CODE (argtype)((enum tree_code) (argtype)->base.code) != POINTER_TYPE) |
| 3476 | { |
| 3477 | /* Reject functions that don't take a pointer as their first |
| 3478 | argument. */ |
| 3479 | error ("%qE attribute argument 1 must take a pointer type " |
| 3480 | "as its first argument; have %qT", name, argtype); |
| 3481 | inform (DECL_SOURCE_LOCATION (dealloc)((contains_struct_check ((dealloc), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3481, __FUNCTION__))->decl_minimal.locus), |
| 3482 | "referenced symbol declared here"); |
| 3483 | *no_add_attrs = true; |
| 3484 | return NULL_TREE(tree) nullptr; |
| 3485 | } |
| 3486 | |
| 3487 | /* Disable inlining for non-standard deallocators to avoid false |
| 3488 | positives (or warn if either function is explicitly inline). */ |
| 3489 | tree at_noinline = |
| 3490 | maybe_add_noinline (name, fndecl, dealloc, no_add_attrs); |
| 3491 | if (*no_add_attrs) |
| 3492 | return NULL_TREE(tree) nullptr; |
| 3493 | |
| 3494 | /* Add attribute *dealloc to the deallocator function associating |
| 3495 | it with this one. Ideally, the attribute would reference |
| 3496 | the DECL of the deallocator but since that changes for each |
| 3497 | redeclaration, use DECL_NAME instead. (DECL_ASSEMBLER_NAME |
| 3498 | need not be set at this point and setting it here is too early. */ |
| 3499 | tree attrs = build_tree_list (NULL_TREE(tree) nullptr, DECL_NAME (fndecl)((contains_struct_check ((fndecl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3499, __FUNCTION__))->decl_minimal.name)); |
| 3500 | attrs = tree_cons (get_identifier ("*dealloc")(__builtin_constant_p ("*dealloc") ? get_identifier_with_length (("*dealloc"), strlen ("*dealloc")) : get_identifier ("*dealloc" )), attrs, at_noinline); |
| 3501 | decl_attributes (&dealloc, attrs, 0); |
| 3502 | return NULL_TREE(tree) nullptr; |
| 3503 | } |
| 3504 | |
| 3505 | /* Validate the positional argument. */ |
| 3506 | argpos = positional_argument (fntype, name, argpos, POINTER_TYPE); |
| 3507 | if (!argpos) |
| 3508 | { |
| 3509 | *no_add_attrs = true; |
| 3510 | return NULL_TREE(tree) nullptr; |
| 3511 | } |
| 3512 | |
| 3513 | /* As above, disable inlining for non-standard deallocators to avoid |
| 3514 | false positives (or warn). */ |
| 3515 | tree at_noinline = |
| 3516 | maybe_add_noinline (name, fndecl, dealloc, no_add_attrs); |
| 3517 | if (*no_add_attrs) |
| 3518 | return NULL_TREE(tree) nullptr; |
| 3519 | |
| 3520 | /* It's valid to declare the same function with multiple instances |
| 3521 | of attribute malloc, each naming the same or different deallocator |
| 3522 | functions, and each referencing either the same or a different |
| 3523 | positional argument. */ |
| 3524 | tree attrs = tree_cons (NULL_TREE(tree) nullptr, argpos, NULL_TREE(tree) nullptr); |
| 3525 | attrs = tree_cons (NULL_TREE(tree) nullptr, DECL_NAME (fndecl)((contains_struct_check ((fndecl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3525, __FUNCTION__))->decl_minimal.name), attrs); |
| 3526 | attrs = tree_cons (get_identifier ("*dealloc")(__builtin_constant_p ("*dealloc") ? get_identifier_with_length (("*dealloc"), strlen ("*dealloc")) : get_identifier ("*dealloc" )), attrs, at_noinline); |
| 3527 | decl_attributes (&dealloc, attrs, 0); |
| 3528 | return NULL_TREE(tree) nullptr; |
| 3529 | } |
| 3530 | |
| 3531 | /* Handle the internal "*dealloc" attribute added for functions declared |
| 3532 | with the one- and two-argument forms of attribute malloc. Add it |
| 3533 | to *NODE unless it's already there with the same arguments. */ |
| 3534 | |
| 3535 | static tree |
| 3536 | handle_dealloc_attribute (tree *node, tree name, tree args, int, |
| 3537 | bool *no_add_attrs) |
| 3538 | { |
| 3539 | tree fndecl = *node; |
| 3540 | |
| 3541 | tree attrs = DECL_ATTRIBUTES (fndecl)((contains_struct_check ((fndecl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3541, __FUNCTION__))->decl_common.attributes); |
| 3542 | if (!attrs) |
| 3543 | return NULL_TREE(tree) nullptr; |
| 3544 | |
| 3545 | tree arg = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3545, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3546 | args = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3546, __FUNCTION__))->common.chain); |
| 3547 | tree arg_pos = args ? TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3547, __FUNCTION__, (TREE_LIST)))->list.value) : integer_zero_nodeglobal_trees[TI_INTEGER_ZERO]; |
| 3548 | |
| 3549 | gcc_checking_assert ((DECL_P (arg)((void)(!(((tree_code_type_tmpl <0>::tree_code_type[(int ) (((enum tree_code) (arg)->base.code))] == tcc_declaration ) && fndecl_built_in_p (arg, BUILT_IN_NORMAL)) || ((enum tree_code) (arg)->base.code) == IDENTIFIER_NODE) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3551, __FUNCTION__), 0 : 0)) |
| 3550 | && fndecl_built_in_p (arg, BUILT_IN_NORMAL))((void)(!(((tree_code_type_tmpl <0>::tree_code_type[(int ) (((enum tree_code) (arg)->base.code))] == tcc_declaration ) && fndecl_built_in_p (arg, BUILT_IN_NORMAL)) || ((enum tree_code) (arg)->base.code) == IDENTIFIER_NODE) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3551, __FUNCTION__), 0 : 0)) |
| 3551 | || TREE_CODE (arg) == IDENTIFIER_NODE)((void)(!(((tree_code_type_tmpl <0>::tree_code_type[(int ) (((enum tree_code) (arg)->base.code))] == tcc_declaration ) && fndecl_built_in_p (arg, BUILT_IN_NORMAL)) || ((enum tree_code) (arg)->base.code) == IDENTIFIER_NODE) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3551, __FUNCTION__), 0 : 0)); |
| 3552 | |
| 3553 | const char* const namestr = IDENTIFIER_POINTER (name)((const char *) (tree_check ((name), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3553, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ); |
| 3554 | for (tree at = attrs; (at = lookup_attribute (namestr, at)); |
| 3555 | at = TREE_CHAIN (at)((contains_struct_check ((at), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3555, __FUNCTION__))->common.chain)) |
| 3556 | { |
| 3557 | tree alloc = TREE_VALUE (at)((tree_check ((at), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3557, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3558 | if (!alloc) |
| 3559 | continue; |
| 3560 | |
| 3561 | tree pos = TREE_CHAIN (alloc)((contains_struct_check ((alloc), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3561, __FUNCTION__))->common.chain); |
| 3562 | alloc = TREE_VALUE (alloc)((tree_check ((alloc), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3562, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3563 | pos = pos ? TREE_VALUE (pos)((tree_check ((pos), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3563, __FUNCTION__, (TREE_LIST)))->list.value) : integer_zero_nodeglobal_trees[TI_INTEGER_ZERO]; |
| 3564 | gcc_checking_assert ((DECL_P (alloc)((void)(!(((tree_code_type_tmpl <0>::tree_code_type[(int ) (((enum tree_code) (alloc)->base.code))] == tcc_declaration ) && fndecl_built_in_p (alloc, BUILT_IN_NORMAL)) || ( (enum tree_code) (alloc)->base.code) == IDENTIFIER_NODE) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3566, __FUNCTION__), 0 : 0)) |
| 3565 | && fndecl_built_in_p (alloc, BUILT_IN_NORMAL))((void)(!(((tree_code_type_tmpl <0>::tree_code_type[(int ) (((enum tree_code) (alloc)->base.code))] == tcc_declaration ) && fndecl_built_in_p (alloc, BUILT_IN_NORMAL)) || ( (enum tree_code) (alloc)->base.code) == IDENTIFIER_NODE) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3566, __FUNCTION__), 0 : 0)) |
| 3566 | || TREE_CODE (alloc) == IDENTIFIER_NODE)((void)(!(((tree_code_type_tmpl <0>::tree_code_type[(int ) (((enum tree_code) (alloc)->base.code))] == tcc_declaration ) && fndecl_built_in_p (alloc, BUILT_IN_NORMAL)) || ( (enum tree_code) (alloc)->base.code) == IDENTIFIER_NODE) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3566, __FUNCTION__), 0 : 0)); |
| 3567 | |
| 3568 | if (alloc == arg && tree_int_cst_equal (pos, arg_pos)) |
| 3569 | { |
| 3570 | /* The function already has the attribute either without any |
| 3571 | arguments or with the same arguments as the attribute that's |
| 3572 | being added. Return without adding another copy. */ |
| 3573 | *no_add_attrs = true; |
| 3574 | return NULL_TREE(tree) nullptr; |
| 3575 | } |
| 3576 | } |
| 3577 | |
| 3578 | return NULL_TREE(tree) nullptr; |
| 3579 | } |
| 3580 | |
| 3581 | /* Handle the "alloc_size (argpos1 [, argpos2])" function type attribute. |
| 3582 | *NODE is the type of the function the attribute is being applied to. */ |
| 3583 | |
| 3584 | static tree |
| 3585 | handle_alloc_size_attribute (tree *node, tree name, tree args, |
| 3586 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 3587 | { |
| 3588 | tree fntype = *node; |
| 3589 | tree rettype = TREE_TYPE (fntype)((contains_struct_check ((fntype), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3589, __FUNCTION__))->typed.type); |
| 3590 | if (!POINTER_TYPE_P (rettype)(((enum tree_code) (rettype)->base.code) == POINTER_TYPE || ((enum tree_code) (rettype)->base.code) == REFERENCE_TYPE )) |
| 3591 | { |
| 3592 | warning (OPT_Wattributes, |
| 3593 | "%qE attribute ignored on a function returning %qT", |
| 3594 | name, rettype); |
| 3595 | *no_add_attrs = true; |
| 3596 | return NULL_TREE(tree) nullptr; |
| 3597 | } |
| 3598 | |
| 3599 | tree newargs[2] = { NULL_TREE(tree) nullptr, NULL_TREE(tree) nullptr }; |
| 3600 | for (int i = 1; args; ++i) |
| 3601 | { |
| 3602 | tree pos = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3602, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3603 | /* NEXT is null when the attribute includes just one argument. |
| 3604 | That's used to tell positional_argument to avoid mentioning |
| 3605 | the argument number in diagnostics (since there's just one |
| 3606 | mentioning it is unnecessary and coule be confusing). */ |
| 3607 | tree next = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3607, __FUNCTION__))->common.chain); |
| 3608 | if (tree val = positional_argument (fntype, name, pos, INTEGER_TYPE, |
| 3609 | next || i > 1 ? i : 0)) |
| 3610 | { |
| 3611 | TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3611, __FUNCTION__, (TREE_LIST)))->list.value) = val; |
| 3612 | newargs[i - 1] = val; |
| 3613 | } |
| 3614 | else |
| 3615 | { |
| 3616 | *no_add_attrs = true; |
| 3617 | return NULL_TREE(tree) nullptr; |
| 3618 | } |
| 3619 | |
| 3620 | args = next; |
| 3621 | } |
| 3622 | |
| 3623 | if (!validate_attr_args (node, name, newargs)) |
| 3624 | *no_add_attrs = true; |
| 3625 | |
| 3626 | return NULL_TREE(tree) nullptr; |
| 3627 | } |
| 3628 | |
| 3629 | |
| 3630 | /* Handle an "alloc_align (argpos)" attribute. */ |
| 3631 | |
| 3632 | static tree |
| 3633 | handle_alloc_align_attribute (tree *node, tree name, tree args, int, |
| 3634 | bool *no_add_attrs) |
| 3635 | { |
| 3636 | tree fntype = *node; |
| 3637 | tree rettype = TREE_TYPE (fntype)((contains_struct_check ((fntype), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3637, __FUNCTION__))->typed.type); |
| 3638 | if (!POINTER_TYPE_P (rettype)(((enum tree_code) (rettype)->base.code) == POINTER_TYPE || ((enum tree_code) (rettype)->base.code) == REFERENCE_TYPE )) |
| 3639 | { |
| 3640 | warning (OPT_Wattributes, |
| 3641 | "%qE attribute ignored on a function returning %qT", |
| 3642 | name, rettype); |
| 3643 | *no_add_attrs = true; |
| 3644 | return NULL_TREE(tree) nullptr; |
| 3645 | } |
| 3646 | |
| 3647 | if (tree val = positional_argument (*node, name, TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3647, __FUNCTION__, (TREE_LIST)))->list.value), |
| 3648 | INTEGER_TYPE)) |
| 3649 | if (validate_attr_arg (node, name, val)) |
| 3650 | return NULL_TREE(tree) nullptr; |
| 3651 | |
| 3652 | *no_add_attrs = true; |
| 3653 | return NULL_TREE(tree) nullptr; |
| 3654 | } |
| 3655 | |
| 3656 | /* Handle a "assume_aligned" attribute; arguments as in |
| 3657 | struct attribute_spec.handler. */ |
| 3658 | |
| 3659 | static tree |
| 3660 | handle_assume_aligned_attribute (tree *node, tree name, tree args, int, |
| 3661 | bool *no_add_attrs) |
| 3662 | { |
| 3663 | tree decl = *node; |
| 3664 | tree rettype = TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3664, __FUNCTION__))->typed.type); |
| 3665 | if (TREE_CODE (rettype)((enum tree_code) (rettype)->base.code) != POINTER_TYPE) |
| 3666 | { |
| 3667 | warning (OPT_Wattributes, |
| 3668 | "%qE attribute ignored on a function returning %qT", |
| 3669 | name, rettype); |
| 3670 | *no_add_attrs = true; |
| 3671 | return NULL_TREE(tree) nullptr; |
| 3672 | } |
| 3673 | |
| 3674 | /* The alignment specified by the first argument. */ |
| 3675 | tree align = NULL_TREE(tree) nullptr; |
| 3676 | |
| 3677 | for (; args; args = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3677, __FUNCTION__))->common.chain)) |
| 3678 | { |
| 3679 | tree val = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3679, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3680 | if (val && TREE_CODE (val)((enum tree_code) (val)->base.code) != IDENTIFIER_NODE |
| 3681 | && TREE_CODE (val)((enum tree_code) (val)->base.code) != FUNCTION_DECL) |
| 3682 | val = default_conversion (val); |
| 3683 | |
| 3684 | if (!tree_fits_shwi_p (val)) |
| 3685 | { |
| 3686 | warning (OPT_Wattributes, |
| 3687 | "%qE attribute argument %E is not an integer constant", |
| 3688 | name, val); |
| 3689 | *no_add_attrs = true; |
| 3690 | return NULL_TREE(tree) nullptr; |
| 3691 | } |
| 3692 | else if (tree_int_cst_sgn (val) < 0) |
| 3693 | { |
| 3694 | warning (OPT_Wattributes, |
| 3695 | "%qE attribute argument %E is not positive", name, val); |
| 3696 | *no_add_attrs = true; |
| 3697 | return NULL_TREE(tree) nullptr; |
| 3698 | } |
| 3699 | |
| 3700 | if (!align) |
| 3701 | { |
| 3702 | /* Validate and save the alignment. */ |
| 3703 | if (!integer_pow2p (val)) |
| 3704 | { |
| 3705 | warning (OPT_Wattributes, |
| 3706 | "%qE attribute argument %E is not a power of 2", |
| 3707 | name, val); |
| 3708 | *no_add_attrs = true; |
| 3709 | return NULL_TREE(tree) nullptr; |
| 3710 | } |
| 3711 | |
| 3712 | align = val; |
| 3713 | } |
| 3714 | else if (tree_int_cst_le (align, val)) |
| 3715 | { |
| 3716 | /* The misalignment specified by the second argument |
| 3717 | must be non-negative and less than the alignment. */ |
| 3718 | warning (OPT_Wattributes, |
| 3719 | "%qE attribute argument %E is not in the range [0, %wu]", |
| 3720 | name, val, tree_to_uhwi (align) - 1); |
| 3721 | *no_add_attrs = true; |
| 3722 | return NULL_TREE(tree) nullptr; |
| 3723 | } |
| 3724 | } |
| 3725 | return NULL_TREE(tree) nullptr; |
| 3726 | } |
| 3727 | |
| 3728 | /* Handle the internal-only "arg spec" attribute. */ |
| 3729 | |
| 3730 | static tree |
| 3731 | handle_argspec_attribute (tree *, tree, tree args, int, bool *) |
| 3732 | { |
| 3733 | /* Verify the attribute has one or two arguments and their kind. */ |
| 3734 | gcc_assert (args && TREE_CODE (TREE_VALUE (args)) == STRING_CST)((void)(!(args && ((enum tree_code) (((tree_check ((args ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3734, __FUNCTION__, (TREE_LIST)))->list.value))->base .code) == STRING_CST) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3734, __FUNCTION__), 0 : 0)); |
| 3735 | for (tree next = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3735, __FUNCTION__))->common.chain); next; next = TREE_CHAIN (next)((contains_struct_check ((next), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3735, __FUNCTION__))->common.chain)) |
| 3736 | { |
| 3737 | tree val = TREE_VALUE (next)((tree_check ((next), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3737, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3738 | gcc_assert (DECL_P (val) || EXPR_P (val))((void)(!((tree_code_type_tmpl <0>::tree_code_type[(int ) (((enum tree_code) (val)->base.code))] == tcc_declaration ) || ((tree_code_type_tmpl <0>::tree_code_type[(int) (( (enum tree_code) (val)->base.code))]) >= tcc_reference && (tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code) (val)->base.code))]) <= tcc_expression)) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3738, __FUNCTION__), 0 : 0)); |
| 3739 | } |
| 3740 | return NULL_TREE(tree) nullptr; |
| 3741 | } |
| 3742 | |
| 3743 | /* Handle the internal-only "fn spec" attribute. */ |
| 3744 | |
| 3745 | static tree |
| 3746 | handle_fnspec_attribute (tree *node ATTRIBUTE_UNUSED__attribute__ ((__unused__)), tree ARG_UNUSED (name)name __attribute__ ((__unused__)), |
| 3747 | tree args, int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 3748 | bool *no_add_attrs ATTRIBUTE_UNUSED__attribute__ ((__unused__))) |
| 3749 | { |
| 3750 | gcc_assert (args((void)(!(args && ((enum tree_code) (((tree_check ((args ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3751, __FUNCTION__, (TREE_LIST)))->list.value))->base .code) == STRING_CST && !((contains_struct_check ((args ), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3752, __FUNCTION__))->common.chain)) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3752, __FUNCTION__), 0 : 0)) |
| 3751 | && TREE_CODE (TREE_VALUE (args)) == STRING_CST((void)(!(args && ((enum tree_code) (((tree_check ((args ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3751, __FUNCTION__, (TREE_LIST)))->list.value))->base .code) == STRING_CST && !((contains_struct_check ((args ), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3752, __FUNCTION__))->common.chain)) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3752, __FUNCTION__), 0 : 0)) |
| 3752 | && !TREE_CHAIN (args))((void)(!(args && ((enum tree_code) (((tree_check ((args ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3751, __FUNCTION__, (TREE_LIST)))->list.value))->base .code) == STRING_CST && !((contains_struct_check ((args ), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3752, __FUNCTION__))->common.chain)) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3752, __FUNCTION__), 0 : 0)); |
| 3753 | return NULL_TREE(tree) nullptr; |
| 3754 | } |
| 3755 | |
| 3756 | /* Handle a "warn_unused" attribute; arguments as in |
| 3757 | struct attribute_spec.handler. */ |
| 3758 | |
| 3759 | static tree |
| 3760 | handle_warn_unused_attribute (tree *node, tree name, |
| 3761 | tree args ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
| 3762 | int flags ATTRIBUTE_UNUSED__attribute__ ((__unused__)), bool *no_add_attrs) |
| 3763 | { |
| 3764 | if (TYPE_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_type)) |
| 3765 | /* Do nothing else, just set the attribute. We'll get at |
| 3766 | it later with lookup_attribute. */ |
| 3767 | ; |
| 3768 | else |
| 3769 | { |
| 3770 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 3771 | *no_add_attrs = true; |
| 3772 | } |
| 3773 | |
| 3774 | return NULL_TREE(tree) nullptr; |
| 3775 | } |
| 3776 | |
| 3777 | /* Handle an "omp declare simd" attribute; arguments as in |
| 3778 | struct attribute_spec.handler. */ |
| 3779 | |
| 3780 | static tree |
| 3781 | handle_omp_declare_simd_attribute (tree *, tree, tree, int, bool *) |
| 3782 | { |
| 3783 | return NULL_TREE(tree) nullptr; |
| 3784 | } |
| 3785 | |
| 3786 | /* Handle an "omp declare variant {base,variant}" attribute; arguments as in |
| 3787 | struct attribute_spec.handler. */ |
| 3788 | |
| 3789 | static tree |
| 3790 | handle_omp_declare_variant_attribute (tree *, tree, tree, int, bool *) |
| 3791 | { |
| 3792 | return NULL_TREE(tree) nullptr; |
| 3793 | } |
| 3794 | |
| 3795 | /* Handle a "simd" attribute. */ |
| 3796 | |
| 3797 | static tree |
| 3798 | handle_simd_attribute (tree *node, tree name, tree args, int, bool *no_add_attrs) |
| 3799 | { |
| 3800 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL) |
| 3801 | { |
| 3802 | tree t = get_identifier ("omp declare simd")(__builtin_constant_p ("omp declare simd") ? get_identifier_with_length (("omp declare simd"), strlen ("omp declare simd")) : get_identifier ("omp declare simd")); |
| 3803 | tree attr = NULL_TREE(tree) nullptr; |
| 3804 | if (args) |
| 3805 | { |
| 3806 | tree id = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3806, __FUNCTION__, (TREE_LIST)))->list.value); |
| 3807 | |
| 3808 | if (TREE_CODE (id)((enum tree_code) (id)->base.code) != STRING_CST) |
| 3809 | { |
| 3810 | error ("attribute %qE argument not a string", name); |
| 3811 | *no_add_attrs = true; |
| 3812 | return NULL_TREE(tree) nullptr; |
| 3813 | } |
| 3814 | |
| 3815 | if (strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3815, __FUNCTION__, (STRING_CST)))->string.str)), "notinbranch") == 0) |
| 3816 | attr = build_omp_clause (DECL_SOURCE_LOCATION (*node)((contains_struct_check ((*node), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3816, __FUNCTION__))->decl_minimal.locus), |
| 3817 | OMP_CLAUSE_NOTINBRANCH); |
| 3818 | else if (strcmp (TREE_STRING_POINTER (id)((const char *)((tree_check ((id), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3818, __FUNCTION__, (STRING_CST)))->string.str)), "inbranch") == 0) |
| 3819 | attr = build_omp_clause (DECL_SOURCE_LOCATION (*node)((contains_struct_check ((*node), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3819, __FUNCTION__))->decl_minimal.locus), |
| 3820 | OMP_CLAUSE_INBRANCH); |
| 3821 | else |
| 3822 | { |
| 3823 | error ("only %<inbranch%> and %<notinbranch%> flags are " |
| 3824 | "allowed for %<__simd__%> attribute"); |
| 3825 | *no_add_attrs = true; |
| 3826 | return NULL_TREE(tree) nullptr; |
| 3827 | } |
| 3828 | } |
| 3829 | |
| 3830 | DECL_ATTRIBUTES (*node)((contains_struct_check ((*node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3830, __FUNCTION__))->decl_common.attributes) |
| 3831 | = tree_cons (t, build_tree_list (NULL_TREE(tree) nullptr, attr), |
| 3832 | DECL_ATTRIBUTES (*node)((contains_struct_check ((*node), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3832, __FUNCTION__))->decl_common.attributes)); |
| 3833 | } |
| 3834 | else |
| 3835 | { |
| 3836 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 3837 | *no_add_attrs = true; |
| 3838 | } |
| 3839 | |
| 3840 | return NULL_TREE(tree) nullptr; |
| 3841 | } |
| 3842 | |
| 3843 | /* Handle an "omp declare target" attribute; arguments as in |
| 3844 | struct attribute_spec.handler. */ |
| 3845 | |
| 3846 | static tree |
| 3847 | handle_omp_declare_target_attribute (tree *, tree, tree, int, bool *) |
| 3848 | { |
| 3849 | return NULL_TREE(tree) nullptr; |
| 3850 | } |
| 3851 | |
| 3852 | /* Handle an "non overlapping" attribute; arguments as in |
| 3853 | struct attribute_spec.handler. */ |
| 3854 | |
| 3855 | static tree |
| 3856 | handle_non_overlapping_attribute (tree *, tree, tree, int, bool *) |
| 3857 | { |
| 3858 | return NULL_TREE(tree) nullptr; |
| 3859 | } |
| 3860 | |
| 3861 | /* Handle a "returns_twice" attribute; arguments as in |
| 3862 | struct attribute_spec.handler. */ |
| 3863 | |
| 3864 | static tree |
| 3865 | handle_returns_twice_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 3866 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 3867 | { |
| 3868 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL) |
| 3869 | DECL_IS_RETURNS_TWICE (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3869, __FUNCTION__, (FUNCTION_DECL)))->function_decl.returns_twice_flag ) = 1; |
| 3870 | else |
| 3871 | { |
| 3872 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 3873 | *no_add_attrs = true; |
| 3874 | } |
| 3875 | |
| 3876 | return NULL_TREE(tree) nullptr; |
| 3877 | } |
| 3878 | |
| 3879 | /* Handle a "no_limit_stack" attribute; arguments as in |
| 3880 | struct attribute_spec.handler. */ |
| 3881 | |
| 3882 | static tree |
| 3883 | handle_no_limit_stack_attribute (tree *node, tree name, |
| 3884 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 3885 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 3886 | bool *no_add_attrs) |
| 3887 | { |
| 3888 | tree decl = *node; |
| 3889 | |
| 3890 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) != FUNCTION_DECL) |
| 3891 | { |
| 3892 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3892, __FUNCTION__))->decl_minimal.locus), |
| 3893 | "%qE attribute applies only to functions", name); |
| 3894 | *no_add_attrs = true; |
| 3895 | } |
| 3896 | else if (DECL_INITIAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3896, __FUNCTION__))->decl_common.initial)) |
| 3897 | { |
| 3898 | error_at (DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3898, __FUNCTION__))->decl_minimal.locus), |
| 3899 | "cannot set %qE attribute after definition", name); |
| 3900 | *no_add_attrs = true; |
| 3901 | } |
| 3902 | else |
| 3903 | DECL_NO_LIMIT_STACK (decl)((tree_check ((decl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3903, __FUNCTION__, (FUNCTION_DECL)))->function_decl.no_limit_stack ) = 1; |
| 3904 | |
| 3905 | return NULL_TREE(tree) nullptr; |
| 3906 | } |
| 3907 | |
| 3908 | /* Handle a "pure" attribute; arguments as in |
| 3909 | struct attribute_spec.handler. */ |
| 3910 | |
| 3911 | static tree |
| 3912 | handle_pure_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 3913 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 3914 | { |
| 3915 | if (TREE_CODE (*node)((enum tree_code) (*node)->base.code) == FUNCTION_DECL) |
| 3916 | { |
| 3917 | tree type = TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3917, __FUNCTION__))->typed.type); |
| 3918 | if (VOID_TYPE_P (TREE_TYPE (type))(((enum tree_code) (((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3918, __FUNCTION__))->typed.type))->base.code) == VOID_TYPE )) |
| 3919 | warning (OPT_Wattributes, "%qE attribute on function " |
| 3920 | "returning %<void%>", name); |
| 3921 | |
| 3922 | DECL_PURE_P (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3922, __FUNCTION__, (FUNCTION_DECL)))->function_decl.pure_flag ) = 1; |
| 3923 | /* ??? TODO: Support types. */ |
| 3924 | } |
| 3925 | else |
| 3926 | { |
| 3927 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 3928 | *no_add_attrs = true; |
| 3929 | } |
| 3930 | |
| 3931 | return NULL_TREE(tree) nullptr; |
| 3932 | } |
| 3933 | |
| 3934 | /* Digest an attribute list destined for a transactional memory statement. |
| 3935 | ALLOWED is the set of attributes that are allowed for this statement; |
| 3936 | return the attribute we parsed. Multiple attributes are never allowed. */ |
| 3937 | |
| 3938 | int |
| 3939 | parse_tm_stmt_attr (tree attrs, int allowed) |
| 3940 | { |
| 3941 | tree a_seen = NULLnullptr; |
| 3942 | int m_seen = 0; |
| 3943 | |
| 3944 | for ( ; attrs ; attrs = TREE_CHAIN (attrs)((contains_struct_check ((attrs), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3944, __FUNCTION__))->common.chain)) |
| 3945 | { |
| 3946 | tree a = get_attribute_name (attrs); |
| 3947 | tree ns = get_attribute_namespace (attrs); |
| 3948 | int m = 0; |
| 3949 | |
| 3950 | if (is_attribute_p ("outer", a) |
| 3951 | && (ns == NULL_TREE(tree) nullptr || strcmp (IDENTIFIER_POINTER (ns)((const char *) (tree_check ((ns), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 3951, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ), "gnu") == 0)) |
| 3952 | m = TM_STMT_ATTR_OUTER2; |
| 3953 | |
| 3954 | if ((m & allowed) == 0) |
| 3955 | { |
| 3956 | warning (OPT_Wattributes, "%qE attribute directive ignored", a); |
| 3957 | continue; |
| 3958 | } |
| 3959 | |
| 3960 | if (m_seen == 0) |
| 3961 | { |
| 3962 | a_seen = a; |
| 3963 | m_seen = m; |
| 3964 | } |
| 3965 | else if (m_seen == m) |
| 3966 | warning (OPT_Wattributes, "%qE attribute duplicated", a); |
| 3967 | else |
| 3968 | warning (OPT_Wattributes, "%qE attribute follows %qE", a, a_seen); |
| 3969 | } |
| 3970 | |
| 3971 | return m_seen; |
| 3972 | } |
| 3973 | |
| 3974 | /* Transform a TM attribute name into a maskable integer and back. |
| 3975 | Note that NULL (i.e. no attribute) is mapped to UNKNOWN, corresponding |
| 3976 | to how the lack of an attribute is treated. */ |
| 3977 | |
| 3978 | int |
| 3979 | tm_attr_to_mask (tree attr) |
| 3980 | { |
| 3981 | if (attr == NULLnullptr) |
| 3982 | return 0; |
| 3983 | if (is_attribute_p ("transaction_safe", attr)) |
| 3984 | return TM_ATTR_SAFE1; |
| 3985 | if (is_attribute_p ("transaction_callable", attr)) |
| 3986 | return TM_ATTR_CALLABLE2; |
| 3987 | if (is_attribute_p ("transaction_pure", attr)) |
| 3988 | return TM_ATTR_PURE4; |
| 3989 | if (is_attribute_p ("transaction_unsafe", attr)) |
| 3990 | return TM_ATTR_IRREVOCABLE8; |
| 3991 | if (is_attribute_p ("transaction_may_cancel_outer", attr)) |
| 3992 | return TM_ATTR_MAY_CANCEL_OUTER16; |
| 3993 | return 0; |
| 3994 | } |
| 3995 | |
| 3996 | tree |
| 3997 | tm_mask_to_attr (int mask) |
| 3998 | { |
| 3999 | const char *str; |
| 4000 | switch (mask) |
| 4001 | { |
| 4002 | case TM_ATTR_SAFE1: |
| 4003 | str = "transaction_safe"; |
| 4004 | break; |
| 4005 | case TM_ATTR_CALLABLE2: |
| 4006 | str = "transaction_callable"; |
| 4007 | break; |
| 4008 | case TM_ATTR_PURE4: |
| 4009 | str = "transaction_pure"; |
| 4010 | break; |
| 4011 | case TM_ATTR_IRREVOCABLE8: |
| 4012 | str = "transaction_unsafe"; |
| 4013 | break; |
| 4014 | case TM_ATTR_MAY_CANCEL_OUTER16: |
| 4015 | str = "transaction_may_cancel_outer"; |
| 4016 | break; |
| 4017 | default: |
| 4018 | gcc_unreachable ()(fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4018, __FUNCTION__)); |
| 4019 | } |
| 4020 | return get_identifier (str)(__builtin_constant_p (str) ? get_identifier_with_length ((str ), strlen (str)) : get_identifier (str)); |
| 4021 | } |
| 4022 | |
| 4023 | /* Return the first TM attribute seen in LIST. */ |
| 4024 | |
| 4025 | tree |
| 4026 | find_tm_attribute (tree list) |
| 4027 | { |
| 4028 | for (; list ; list = TREE_CHAIN (list)((contains_struct_check ((list), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4028, __FUNCTION__))->common.chain)) |
| 4029 | { |
| 4030 | tree name = get_attribute_name (list); |
| 4031 | if (tm_attr_to_mask (name) != 0) |
| 4032 | return name; |
| 4033 | } |
| 4034 | return NULL_TREE(tree) nullptr; |
| 4035 | } |
| 4036 | |
| 4037 | /* Handle the TM attributes; arguments as in struct attribute_spec.handler. |
| 4038 | Here we accept only function types, and verify that none of the other |
| 4039 | function TM attributes are also applied. */ |
| 4040 | /* ??? We need to accept class types for C++, but not C. This greatly |
| 4041 | complicates this function, since we can no longer rely on the extra |
| 4042 | processing given by function_type_required. */ |
| 4043 | |
| 4044 | static tree |
| 4045 | handle_tm_attribute (tree *node, tree name, tree args, |
| 4046 | int flags, bool *no_add_attrs) |
| 4047 | { |
| 4048 | /* Only one path adds the attribute; others don't. */ |
| 4049 | *no_add_attrs = true; |
| 4050 | |
| 4051 | switch (TREE_CODE (*node)((enum tree_code) (*node)->base.code)) |
| 4052 | { |
| 4053 | case RECORD_TYPE: |
| 4054 | case UNION_TYPE: |
| 4055 | /* Only tm_callable and tm_safe apply to classes. */ |
| 4056 | if (tm_attr_to_mask (name) & ~(TM_ATTR_SAFE1 | TM_ATTR_CALLABLE2)) |
| 4057 | goto ignored; |
| 4058 | /* FALLTHRU */ |
| 4059 | |
| 4060 | case FUNCTION_TYPE: |
| 4061 | case METHOD_TYPE: |
| 4062 | { |
| 4063 | tree old_name = find_tm_attribute (TYPE_ATTRIBUTES (*node)((tree_class_check ((*node), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4063, __FUNCTION__))->type_common.attributes)); |
| 4064 | if (old_name == name) |
| 4065 | ; |
| 4066 | else if (old_name != NULL_TREE(tree) nullptr) |
| 4067 | error ("type was previously declared %qE", old_name); |
| 4068 | else |
| 4069 | *no_add_attrs = false; |
| 4070 | } |
| 4071 | break; |
| 4072 | |
| 4073 | case FUNCTION_DECL: |
| 4074 | { |
| 4075 | /* transaction_safe_dynamic goes on the FUNCTION_DECL, but we also |
| 4076 | want to set transaction_safe on the type. */ |
| 4077 | gcc_assert (is_attribute_p ("transaction_safe_dynamic", name))((void)(!(is_attribute_p ("transaction_safe_dynamic", name)) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4077, __FUNCTION__), 0 : 0)); |
| 4078 | if (!TYPE_P (DECL_CONTEXT (*node))(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (((contains_struct_check ((*node), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4078, __FUNCTION__))->decl_minimal.context))->base.code ))] == tcc_type)) |
| 4079 | error_at (DECL_SOURCE_LOCATION (*node)((contains_struct_check ((*node), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4079, __FUNCTION__))->decl_minimal.locus), |
| 4080 | "%<transaction_safe_dynamic%> may only be specified for " |
| 4081 | "a virtual function"); |
| 4082 | *no_add_attrs = false; |
| 4083 | decl_attributes (&TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4083, __FUNCTION__))->typed.type), |
| 4084 | build_tree_list (get_identifier ("transaction_safe")(__builtin_constant_p ("transaction_safe") ? get_identifier_with_length (("transaction_safe"), strlen ("transaction_safe")) : get_identifier ("transaction_safe")), |
| 4085 | NULL_TREE(tree) nullptr), |
| 4086 | 0); |
| 4087 | break; |
| 4088 | } |
| 4089 | |
| 4090 | case POINTER_TYPE: |
| 4091 | { |
| 4092 | enum tree_code subcode = TREE_CODE (TREE_TYPE (*node))((enum tree_code) (((contains_struct_check ((*node), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4092, __FUNCTION__))->typed.type))->base.code); |
| 4093 | if (subcode == FUNCTION_TYPE || subcode == METHOD_TYPE) |
| 4094 | { |
| 4095 | tree fn_tmp = TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4095, __FUNCTION__))->typed.type); |
| 4096 | decl_attributes (&fn_tmp, tree_cons (name, args, NULLnullptr), 0); |
| 4097 | *node = build_pointer_type (fn_tmp); |
| 4098 | break; |
| 4099 | } |
| 4100 | } |
| 4101 | /* FALLTHRU */ |
| 4102 | |
| 4103 | default: |
| 4104 | /* If a function is next, pass it on to be tried next. */ |
| 4105 | if (flags & (int) ATTR_FLAG_FUNCTION_NEXT) |
| 4106 | return tree_cons (name, args, NULLnullptr); |
| 4107 | |
| 4108 | ignored: |
| 4109 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 4110 | break; |
| 4111 | } |
| 4112 | |
| 4113 | return NULL_TREE(tree) nullptr; |
| 4114 | } |
| 4115 | |
| 4116 | /* Handle the TM_WRAP attribute; arguments as in |
| 4117 | struct attribute_spec.handler. */ |
| 4118 | |
| 4119 | static tree |
| 4120 | handle_tm_wrap_attribute (tree *node, tree name, tree args, |
| 4121 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 4122 | { |
| 4123 | tree decl = *node; |
| 4124 | |
| 4125 | /* We don't need the attribute even on success, since we |
| 4126 | record the entry in an external table. */ |
| 4127 | *no_add_attrs = true; |
| 4128 | |
| 4129 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) != FUNCTION_DECL) |
| 4130 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 4131 | else |
| 4132 | { |
| 4133 | tree wrap_decl = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4133, __FUNCTION__, (TREE_LIST)))->list.value); |
| 4134 | if (error_operand_p (wrap_decl)) |
| 4135 | ; |
| 4136 | else if (TREE_CODE (wrap_decl)((enum tree_code) (wrap_decl)->base.code) != IDENTIFIER_NODE |
| 4137 | && !VAR_OR_FUNCTION_DECL_P (wrap_decl)(((enum tree_code) (wrap_decl)->base.code) == VAR_DECL || ( (enum tree_code) (wrap_decl)->base.code) == FUNCTION_DECL)) |
| 4138 | error ("%qE argument not an identifier", name); |
| 4139 | else |
| 4140 | { |
| 4141 | if (TREE_CODE (wrap_decl)((enum tree_code) (wrap_decl)->base.code) == IDENTIFIER_NODE) |
| 4142 | wrap_decl = lookup_name (wrap_decl); |
| 4143 | if (wrap_decl && TREE_CODE (wrap_decl)((enum tree_code) (wrap_decl)->base.code) == FUNCTION_DECL) |
| 4144 | { |
| 4145 | if (lang_hooks.types_compatible_p (TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4145, __FUNCTION__))->typed.type), |
| 4146 | TREE_TYPE (wrap_decl)((contains_struct_check ((wrap_decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4146, __FUNCTION__))->typed.type))) |
| 4147 | record_tm_replacement (wrap_decl, decl); |
| 4148 | else |
| 4149 | error ("%qD is not compatible with %qD", wrap_decl, decl); |
| 4150 | } |
| 4151 | else |
| 4152 | error ("%qE argument is not a function", name); |
| 4153 | } |
| 4154 | } |
| 4155 | |
| 4156 | return NULL_TREE(tree) nullptr; |
| 4157 | } |
| 4158 | |
| 4159 | /* Ignore the given attribute. Used when this attribute may be usefully |
| 4160 | overridden by the target, but is not used generically. */ |
| 4161 | |
| 4162 | static tree |
| 4163 | ignore_attribute (tree * ARG_UNUSED (node)node __attribute__ ((__unused__)), tree ARG_UNUSED (name)name __attribute__ ((__unused__)), |
| 4164 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 4165 | bool *no_add_attrs) |
| 4166 | { |
| 4167 | *no_add_attrs = true; |
| 4168 | return NULL_TREE(tree) nullptr; |
| 4169 | } |
| 4170 | |
| 4171 | /* Handle a "no vops" attribute; arguments as in |
| 4172 | struct attribute_spec.handler. */ |
| 4173 | |
| 4174 | static tree |
| 4175 | handle_novops_attribute (tree *node, tree ARG_UNUSED (name)name __attribute__ ((__unused__)), |
| 4176 | tree ARG_UNUSED (args)args __attribute__ ((__unused__)), int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 4177 | bool *ARG_UNUSED (no_add_attrs)no_add_attrs __attribute__ ((__unused__))) |
| 4178 | { |
| 4179 | gcc_assert (TREE_CODE (*node) == FUNCTION_DECL)((void)(!(((enum tree_code) (*node)->base.code) == FUNCTION_DECL ) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4179, __FUNCTION__), 0 : 0)); |
| 4180 | DECL_IS_NOVOPS (*node)((tree_check ((*node), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4180, __FUNCTION__, (FUNCTION_DECL)))->function_decl.novops_flag ) = 1; |
| 4181 | return NULL_TREE(tree) nullptr; |
| 4182 | } |
| 4183 | |
| 4184 | /* Handle a "deprecated" attribute; arguments as in |
| 4185 | struct attribute_spec.handler. */ |
| 4186 | |
| 4187 | tree |
| 4188 | handle_deprecated_attribute (tree *node, tree name, |
| 4189 | tree args, int flags, |
| 4190 | bool *no_add_attrs) |
| 4191 | { |
| 4192 | tree type = NULL_TREE(tree) nullptr; |
| 4193 | int warn = 0; |
| 4194 | tree what = NULL_TREE(tree) nullptr; |
| 4195 | |
| 4196 | if (!args) |
| 4197 | *no_add_attrs = true; |
| 4198 | else if (TREE_CODE (TREE_VALUE (args))((enum tree_code) (((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4198, __FUNCTION__, (TREE_LIST)))->list.value))->base .code) != STRING_CST) |
| 4199 | { |
| 4200 | error ("deprecated message is not a string"); |
| 4201 | *no_add_attrs = true; |
| 4202 | } |
| 4203 | |
| 4204 | if (DECL_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_declaration)) |
| 4205 | { |
| 4206 | tree decl = *node; |
| 4207 | type = TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4207, __FUNCTION__))->typed.type); |
| 4208 | |
| 4209 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == TYPE_DECL |
| 4210 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == PARM_DECL |
| 4211 | || VAR_OR_FUNCTION_DECL_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL || ((enum tree_code) (decl)->base.code) == FUNCTION_DECL) |
| 4212 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FIELD_DECL |
| 4213 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == CONST_DECL |
| 4214 | || objc_method_decl (TREE_CODE (decl)((enum tree_code) (decl)->base.code)) |
| 4215 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == CONCEPT_DECL) |
| 4216 | TREE_DEPRECATED (decl)((decl)->base.deprecated_flag) = 1; |
| 4217 | else if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == LABEL_DECL) |
| 4218 | { |
| 4219 | pedwarn (input_location, OPT_Wattributes, "%qE attribute ignored", |
| 4220 | name); |
| 4221 | *no_add_attrs = true; |
| 4222 | return NULL_TREE(tree) nullptr; |
| 4223 | } |
| 4224 | else |
| 4225 | warn = 1; |
| 4226 | } |
| 4227 | else if (TYPE_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_type)) |
| 4228 | { |
| 4229 | if (!(flags & (int) ATTR_FLAG_TYPE_IN_PLACE)) |
| 4230 | *node = build_variant_type_copy (*node); |
| 4231 | TREE_DEPRECATED (*node)((*node)->base.deprecated_flag) = 1; |
| 4232 | type = *node; |
| 4233 | } |
| 4234 | else |
| 4235 | warn = 1; |
| 4236 | |
| 4237 | if (warn) |
| 4238 | { |
| 4239 | *no_add_attrs = true; |
| 4240 | if (type && TYPE_NAME (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4240, __FUNCTION__))->type_common.name)) |
| 4241 | { |
| 4242 | if (TREE_CODE (TYPE_NAME (type))((enum tree_code) (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4242, __FUNCTION__))->type_common.name))->base.code) == IDENTIFIER_NODE) |
| 4243 | what = TYPE_NAME (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4243, __FUNCTION__))->type_common.name); |
| 4244 | else if (TREE_CODE (TYPE_NAME (type))((enum tree_code) (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4244, __FUNCTION__))->type_common.name))->base.code) == TYPE_DECL |
| 4245 | && DECL_NAME (TYPE_NAME (type))((contains_struct_check ((((tree_class_check ((type), (tcc_type ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4245, __FUNCTION__))->type_common.name)), (TS_DECL_MINIMAL ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4245, __FUNCTION__))->decl_minimal.name)) |
| 4246 | what = DECL_NAME (TYPE_NAME (type))((contains_struct_check ((((tree_class_check ((type), (tcc_type ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4246, __FUNCTION__))->type_common.name)), (TS_DECL_MINIMAL ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4246, __FUNCTION__))->decl_minimal.name); |
| 4247 | } |
| 4248 | if (what) |
| 4249 | warning (OPT_Wattributes, "%qE attribute ignored for %qE", name, what); |
| 4250 | else |
| 4251 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 4252 | } |
| 4253 | |
| 4254 | return NULL_TREE(tree) nullptr; |
| 4255 | } |
| 4256 | |
| 4257 | /* Handle a "unavailable" attribute; arguments as in |
| 4258 | struct attribute_spec.handler. */ |
| 4259 | |
| 4260 | static tree |
| 4261 | handle_unavailable_attribute (tree *node, tree name, |
| 4262 | tree args, int flags, |
| 4263 | bool *no_add_attrs) |
| 4264 | { |
| 4265 | tree type = NULL_TREE(tree) nullptr; |
| 4266 | int warn = 0; |
| 4267 | tree what = NULL_TREE(tree) nullptr; |
| 4268 | |
| 4269 | if (!args) |
| 4270 | *no_add_attrs = true; |
| 4271 | else if (TREE_CODE (TREE_VALUE (args))((enum tree_code) (((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4271, __FUNCTION__, (TREE_LIST)))->list.value))->base .code) != STRING_CST) |
| 4272 | { |
| 4273 | error ("the message attached to %<unavailable%> is not a string"); |
| 4274 | *no_add_attrs = true; |
| 4275 | } |
| 4276 | |
| 4277 | if (DECL_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_declaration)) |
| 4278 | { |
| 4279 | tree decl = *node; |
| 4280 | type = TREE_TYPE (decl)((contains_struct_check ((decl), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4280, __FUNCTION__))->typed.type); |
| 4281 | |
| 4282 | if (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == TYPE_DECL |
| 4283 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == PARM_DECL |
| 4284 | || VAR_OR_FUNCTION_DECL_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL || ((enum tree_code) (decl)->base.code) == FUNCTION_DECL) |
| 4285 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FIELD_DECL |
| 4286 | || TREE_CODE (decl)((enum tree_code) (decl)->base.code) == CONST_DECL |
| 4287 | || objc_method_decl (TREE_CODE (decl)((enum tree_code) (decl)->base.code))) |
| 4288 | TREE_UNAVAILABLE (decl)((decl)->base.u.bits.unavailable_flag) = 1; |
| 4289 | else |
| 4290 | warn = 1; |
| 4291 | } |
| 4292 | else if (TYPE_P (*node)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (*node)->base.code))] == tcc_type)) |
| 4293 | { |
| 4294 | if (!(flags & (int) ATTR_FLAG_TYPE_IN_PLACE)) |
| 4295 | *node = build_variant_type_copy (*node); |
| 4296 | TREE_UNAVAILABLE (*node)((*node)->base.u.bits.unavailable_flag) = 1; |
| 4297 | type = *node; |
| 4298 | } |
| 4299 | else |
| 4300 | warn = 1; |
| 4301 | |
| 4302 | if (warn) |
| 4303 | { |
| 4304 | *no_add_attrs = true; |
| 4305 | if (type && TYPE_NAME (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4305, __FUNCTION__))->type_common.name)) |
| 4306 | { |
| 4307 | if (TREE_CODE (TYPE_NAME (type))((enum tree_code) (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4307, __FUNCTION__))->type_common.name))->base.code) == IDENTIFIER_NODE) |
| 4308 | what = TYPE_NAME (*node)((tree_class_check ((*node), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4308, __FUNCTION__))->type_common.name); |
| 4309 | else if (TREE_CODE (TYPE_NAME (type))((enum tree_code) (((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4309, __FUNCTION__))->type_common.name))->base.code) == TYPE_DECL |
| 4310 | && DECL_NAME (TYPE_NAME (type))((contains_struct_check ((((tree_class_check ((type), (tcc_type ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4310, __FUNCTION__))->type_common.name)), (TS_DECL_MINIMAL ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4310, __FUNCTION__))->decl_minimal.name)) |
| 4311 | what = DECL_NAME (TYPE_NAME (type))((contains_struct_check ((((tree_class_check ((type), (tcc_type ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4311, __FUNCTION__))->type_common.name)), (TS_DECL_MINIMAL ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4311, __FUNCTION__))->decl_minimal.name); |
| 4312 | } |
| 4313 | if (what) |
| 4314 | warning (OPT_Wattributes, "%qE attribute ignored for %qE", name, what); |
| 4315 | else |
| 4316 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 4317 | } |
| 4318 | |
| 4319 | return NULL_TREE(tree) nullptr; |
| 4320 | } |
| 4321 | |
| 4322 | /* Return the "base" type from TYPE that is suitable to apply attribute |
| 4323 | vector_size to by stripping arrays, function types, etc. */ |
| 4324 | static tree |
| 4325 | type_for_vector_size (tree type) |
| 4326 | { |
| 4327 | /* We need to provide for vector pointers, vector arrays, and |
| 4328 | functions returning vectors. For example: |
| 4329 | |
| 4330 | __attribute__((vector_size(16))) short *foo; |
| 4331 | |
| 4332 | In this case, the mode is SI, but the type being modified is |
| 4333 | HI, so we need to look further. */ |
| 4334 | |
| 4335 | while (POINTER_TYPE_P (type)(((enum tree_code) (type)->base.code) == POINTER_TYPE || ( (enum tree_code) (type)->base.code) == REFERENCE_TYPE) |
| 4336 | || TREE_CODE (type)((enum tree_code) (type)->base.code) == FUNCTION_TYPE |
| 4337 | || TREE_CODE (type)((enum tree_code) (type)->base.code) == METHOD_TYPE |
| 4338 | || TREE_CODE (type)((enum tree_code) (type)->base.code) == ARRAY_TYPE |
| 4339 | || TREE_CODE (type)((enum tree_code) (type)->base.code) == OFFSET_TYPE) |
| 4340 | type = TREE_TYPE (type)((contains_struct_check ((type), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4340, __FUNCTION__))->typed.type); |
| 4341 | |
| 4342 | return type; |
| 4343 | } |
| 4344 | |
| 4345 | /* Given TYPE, return the base type to which the vector_size attribute |
| 4346 | ATNAME with ARGS, when non-null, can be applied, if one exists. |
| 4347 | On success and when both ARGS and PTRNUNITS are non-null, set |
| 4348 | *PTRNUNINTS to the number of vector units. When PTRNUNITS is not |
| 4349 | null, issue a warning when the attribute argument is not constant |
| 4350 | and an error if there is no such type. Otherwise issue a warning |
| 4351 | in the latter case and return null. */ |
| 4352 | |
| 4353 | static tree |
| 4354 | type_valid_for_vector_size (tree type, tree atname, tree args, |
| 4355 | unsigned HOST_WIDE_INTlong *ptrnunits) |
| 4356 | { |
| 4357 | bool error_p = ptrnunits != NULLnullptr; |
| 4358 | |
| 4359 | /* Get the mode of the type being modified. */ |
| 4360 | machine_mode orig_mode = TYPE_MODE (type)((((enum tree_code) ((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4360, __FUNCTION__)))->base.code) == VECTOR_TYPE) ? vector_type_mode (type) : (type)->type_common.mode); |
| 4361 | |
| 4362 | if ((!INTEGRAL_TYPE_P (type)(((enum tree_code) (type)->base.code) == ENUMERAL_TYPE || ( (enum tree_code) (type)->base.code) == BOOLEAN_TYPE || ((enum tree_code) (type)->base.code) == INTEGER_TYPE) |
| 4363 | && !SCALAR_FLOAT_TYPE_P (type)(((enum tree_code) (type)->base.code) == REAL_TYPE) |
| 4364 | && !FIXED_POINT_TYPE_P (type)(((enum tree_code) (type)->base.code) == FIXED_POINT_TYPE)) |
| 4365 | || (!SCALAR_FLOAT_MODE_P (orig_mode)(((enum mode_class) mode_class[orig_mode]) == MODE_FLOAT || ( (enum mode_class) mode_class[orig_mode]) == MODE_DECIMAL_FLOAT ) |
| 4366 | && GET_MODE_CLASS (orig_mode)((enum mode_class) mode_class[orig_mode]) != MODE_INT |
| 4367 | && !ALL_SCALAR_FIXED_POINT_MODE_P (orig_mode)(((((enum mode_class) mode_class[orig_mode]) == MODE_FRACT) || (((enum mode_class) mode_class[orig_mode]) == MODE_ACCUM)) || ((((enum mode_class) mode_class[orig_mode]) == MODE_UFRACT) || (((enum mode_class) mode_class[orig_mode]) == MODE_UACCUM)))) |
| 4368 | || !tree_fits_uhwi_p (TYPE_SIZE_UNIT (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4368, __FUNCTION__))->type_common.size_unit)) |
| 4369 | || TREE_CODE (type)((enum tree_code) (type)->base.code) == BOOLEAN_TYPE) |
| 4370 | { |
| 4371 | if (error_p) |
| 4372 | error ("invalid vector type for attribute %qE", atname); |
| 4373 | else |
| 4374 | warning (OPT_Wattributes, "invalid vector type for attribute %qE", |
| 4375 | atname); |
| 4376 | return NULL_TREE(tree) nullptr; |
| 4377 | } |
| 4378 | |
| 4379 | /* When no argument has been provided this is just a request to validate |
| 4380 | the type above. Return TYPE to indicate success. */ |
| 4381 | if (!args) |
| 4382 | return type; |
| 4383 | |
| 4384 | tree size = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4384, __FUNCTION__, (TREE_LIST)))->list.value); |
| 4385 | /* Erroneous arguments have already been diagnosed. */ |
| 4386 | if (size == error_mark_nodeglobal_trees[TI_ERROR_MARK]) |
| 4387 | return NULL_TREE(tree) nullptr; |
| 4388 | |
| 4389 | if (size && TREE_CODE (size)((enum tree_code) (size)->base.code) != IDENTIFIER_NODE |
| 4390 | && TREE_CODE (size)((enum tree_code) (size)->base.code) != FUNCTION_DECL) |
| 4391 | size = default_conversion (size); |
| 4392 | |
| 4393 | if (TREE_CODE (size)((enum tree_code) (size)->base.code) != INTEGER_CST) |
| 4394 | { |
| 4395 | if (error_p) |
| 4396 | error ("%qE attribute argument value %qE is not an integer constant", |
| 4397 | atname, size); |
| 4398 | else |
| 4399 | warning (OPT_Wattributes, |
| 4400 | "%qE attribute argument value %qE is not an integer constant", |
| 4401 | atname, size); |
| 4402 | return NULL_TREE(tree) nullptr; |
| 4403 | } |
| 4404 | |
| 4405 | if (!TYPE_UNSIGNED (TREE_TYPE (size))((tree_class_check ((((contains_struct_check ((size), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4405, __FUNCTION__))->typed.type)), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4405, __FUNCTION__))->base.u.bits.unsigned_flag) |
| 4406 | && tree_int_cst_sgn (size) < 0) |
| 4407 | { |
| 4408 | if (error_p) |
| 4409 | error ("%qE attribute argument value %qE is negative", |
| 4410 | atname, size); |
| 4411 | else |
| 4412 | warning (OPT_Wattributes, |
| 4413 | "%qE attribute argument value %qE is negative", |
| 4414 | atname, size); |
| 4415 | return NULL_TREE(tree) nullptr; |
| 4416 | } |
| 4417 | |
| 4418 | /* The attribute argument value is constrained by the maximum bit |
| 4419 | alignment representable in unsigned int on the host. */ |
| 4420 | unsigned HOST_WIDE_INTlong vecsize; |
| 4421 | unsigned HOST_WIDE_INTlong maxsize = tree_to_uhwi (max_object_size ()); |
| 4422 | if (!tree_fits_uhwi_p (size) |
| 4423 | || (vecsize = tree_to_uhwi (size)) > maxsize) |
| 4424 | { |
| 4425 | if (error_p) |
| 4426 | error ("%qE attribute argument value %qE exceeds %wu", |
| 4427 | atname, size, maxsize); |
| 4428 | else |
| 4429 | warning (OPT_Wattributes, |
| 4430 | "%qE attribute argument value %qE exceeds %wu", |
| 4431 | atname, size, maxsize); |
| 4432 | return NULL_TREE(tree) nullptr; |
| 4433 | } |
| 4434 | |
| 4435 | if (vecsize % tree_to_uhwi (TYPE_SIZE_UNIT (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4435, __FUNCTION__))->type_common.size_unit))) |
| 4436 | { |
| 4437 | if (error_p) |
| 4438 | error ("vector size not an integral multiple of component size"); |
| 4439 | return NULL_TREE(tree) nullptr; |
| 4440 | } |
| 4441 | |
| 4442 | if (vecsize == 0) |
| 4443 | { |
| 4444 | error ("zero vector size"); |
| 4445 | return NULLnullptr; |
| 4446 | } |
| 4447 | |
| 4448 | /* Calculate how many units fit in the vector. */ |
| 4449 | unsigned HOST_WIDE_INTlong nunits = vecsize / tree_to_uhwi (TYPE_SIZE_UNIT (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4449, __FUNCTION__))->type_common.size_unit)); |
| 4450 | if (nunits & (nunits - 1)) |
| 4451 | { |
| 4452 | if (error_p) |
| 4453 | error ("number of vector components %wu not a power of two", nunits); |
| 4454 | else |
| 4455 | warning (OPT_Wattributes, |
| 4456 | "number of vector components %wu not a power of two", nunits); |
| 4457 | return NULL_TREE(tree) nullptr; |
| 4458 | } |
| 4459 | |
| 4460 | if (nunits >= (unsigned HOST_WIDE_INTlong)INT_MAX2147483647) |
| 4461 | { |
| 4462 | if (error_p) |
| 4463 | error ("number of vector components %wu exceeds %d", |
| 4464 | nunits, INT_MAX2147483647 - 1); |
| 4465 | else |
| 4466 | warning (OPT_Wattributes, |
| 4467 | "number of vector components %wu exceeds %d", |
| 4468 | nunits, INT_MAX2147483647 - 1); |
| 4469 | return NULL_TREE(tree) nullptr; |
| 4470 | } |
| 4471 | |
| 4472 | if (ptrnunits) |
| 4473 | *ptrnunits = nunits; |
| 4474 | |
| 4475 | return type; |
| 4476 | } |
| 4477 | |
| 4478 | /* Handle a "vector_size" attribute; arguments as in |
| 4479 | struct attribute_spec.handler. */ |
| 4480 | |
| 4481 | static tree |
| 4482 | handle_vector_size_attribute (tree *node, tree name, tree args, |
| 4483 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 4484 | bool *no_add_attrs) |
| 4485 | { |
| 4486 | *no_add_attrs = true; |
| 4487 | |
| 4488 | /* Determine the "base" type to apply the attribute to. */ |
| 4489 | tree type = type_for_vector_size (*node); |
| 4490 | |
| 4491 | /* Get the vector size (in bytes) and let the function compute |
| 4492 | the number of vector units. */ |
| 4493 | unsigned HOST_WIDE_INTlong nunits; |
| 4494 | type = type_valid_for_vector_size (type, name, args, &nunits); |
| 4495 | if (!type) |
| 4496 | return NULL_TREE(tree) nullptr; |
| 4497 | |
| 4498 | gcc_checking_assert (args != NULL)((void)(!(args != nullptr) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4498, __FUNCTION__), 0 : 0)); |
| 4499 | |
| 4500 | tree new_type = build_vector_type (type, nunits); |
| 4501 | |
| 4502 | /* Build back pointers if needed. */ |
| 4503 | *node = lang_hooks.types.reconstruct_complex_type (*node, new_type); |
| 4504 | |
| 4505 | return NULL_TREE(tree) nullptr; |
| 4506 | } |
| 4507 | |
| 4508 | /* Handle a "vector_mask" attribute; arguments as in |
| 4509 | struct attribute_spec.handler. */ |
| 4510 | |
| 4511 | static tree |
| 4512 | handle_vector_mask_attribute (tree *node, tree name, tree, |
| 4513 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 4514 | bool *no_add_attrs) |
| 4515 | { |
| 4516 | *no_add_attrs = true; |
| 4517 | if (!flag_gimpleglobal_options.x_flag_gimple) |
| 4518 | { |
| 4519 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 4520 | return NULL_TREE(tree) nullptr; |
| 4521 | } |
| 4522 | |
| 4523 | /* Determine the "base" type to apply the attribute to. */ |
| 4524 | tree type = type_for_vector_size (*node); |
| 4525 | if (!VECTOR_TYPE_P (type)(((enum tree_code) (type)->base.code) == VECTOR_TYPE) || VECTOR_BOOLEAN_TYPE_P (type)(((enum tree_code) (type)->base.code) == VECTOR_TYPE && ((enum tree_code) (((contains_struct_check ((type), (TS_TYPED ), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4525, __FUNCTION__))->typed.type))->base.code) == BOOLEAN_TYPE )) |
| 4526 | { |
| 4527 | warning (OPT_Wattributes, "%qE attribute only supported on " |
| 4528 | "non-mask vector types", name); |
| 4529 | return NULL_TREE(tree) nullptr; |
| 4530 | } |
| 4531 | |
| 4532 | tree new_type = truth_type_for (type); |
| 4533 | |
| 4534 | /* Build back pointers if needed. */ |
| 4535 | *node = lang_hooks.types.reconstruct_complex_type (*node, new_type); |
| 4536 | |
| 4537 | return NULL_TREE(tree) nullptr; |
| 4538 | } |
| 4539 | |
| 4540 | /* Handle the "nonnull" attribute. */ |
| 4541 | |
| 4542 | static tree |
| 4543 | handle_nonnull_attribute (tree *node, tree name, |
| 4544 | tree args, int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), |
| 4545 | bool *no_add_attrs) |
| 4546 | { |
| 4547 | tree type = *node; |
| 4548 | |
| 4549 | /* If no arguments are specified, all pointer arguments should be |
| 4550 | non-null. Verify a full prototype is given so that the arguments |
| 4551 | will have the correct types when we actually check them later. |
| 4552 | Avoid diagnosing type-generic built-ins since those have no |
| 4553 | prototype. */ |
| 4554 | if (!args) |
| 4555 | { |
| 4556 | if (!prototype_p (type) |
| 4557 | && (!TYPE_ATTRIBUTES (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4557, __FUNCTION__))->type_common.attributes) |
| 4558 | || !lookup_attribute ("type generic", TYPE_ATTRIBUTES (type)((tree_class_check ((type), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4558, __FUNCTION__))->type_common.attributes)))) |
| 4559 | { |
| 4560 | error ("%qE attribute without arguments on a non-prototype", |
| 4561 | name); |
| 4562 | *no_add_attrs = true; |
| 4563 | } |
| 4564 | return NULL_TREE(tree) nullptr; |
| 4565 | } |
| 4566 | |
| 4567 | for (int i = 1; args; ++i) |
| 4568 | { |
| 4569 | tree pos = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4569, __FUNCTION__, (TREE_LIST)))->list.value); |
| 4570 | /* NEXT is null when the attribute includes just one argument. |
| 4571 | That's used to tell positional_argument to avoid mentioning |
| 4572 | the argument number in diagnostics (since there's just one |
| 4573 | mentioning it is unnecessary and coule be confusing). */ |
| 4574 | tree next = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4574, __FUNCTION__))->common.chain); |
| 4575 | if (tree val = positional_argument (type, name, pos, POINTER_TYPE, |
| 4576 | next || i > 1 ? i : 0)) |
| 4577 | TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4577, __FUNCTION__, (TREE_LIST)))->list.value) = val; |
| 4578 | else |
| 4579 | { |
| 4580 | *no_add_attrs = true; |
| 4581 | break; |
| 4582 | } |
| 4583 | args = next; |
| 4584 | } |
| 4585 | |
| 4586 | return NULL_TREE(tree) nullptr; |
| 4587 | } |
| 4588 | |
| 4589 | /* Handle the "fd_arg", "fd_arg_read" and "fd_arg_write" attributes */ |
| 4590 | |
| 4591 | static tree |
| 4592 | handle_fd_arg_attribute (tree *node, tree name, tree args, |
| 4593 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 4594 | { |
| 4595 | tree type = *node; |
| 4596 | if (!args) |
| 4597 | { |
| 4598 | if (!prototype_p (type)) |
| 4599 | { |
| 4600 | error ("%qE attribute without arguments on a non-prototype", name); |
| 4601 | *no_add_attrs = true; |
| 4602 | } |
| 4603 | return NULL_TREE(tree) nullptr; |
| 4604 | } |
| 4605 | |
| 4606 | if (positional_argument (*node, name, TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4606, __FUNCTION__, (TREE_LIST)))->list.value), INTEGER_TYPE)) |
| 4607 | return NULL_TREE(tree) nullptr; |
| 4608 | |
| 4609 | *no_add_attrs = true; |
| 4610 | return NULL_TREE(tree) nullptr; |
| 4611 | } |
| 4612 | |
| 4613 | /* Handle the "nonstring" variable attribute. */ |
| 4614 | |
| 4615 | static tree |
| 4616 | handle_nonstring_attribute (tree *node, tree name, tree ARG_UNUSED (args)args __attribute__ ((__unused__)), |
| 4617 | int ARG_UNUSED (flags)flags __attribute__ ((__unused__)), bool *no_add_attrs) |
| 4618 | { |
| 4619 | gcc_assert (!args)((void)(!(!args) ? fancy_abort ("/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4619, __FUNCTION__), 0 : 0)); |
| 4620 | tree_code code = TREE_CODE (*node)((enum tree_code) (*node)->base.code); |
| 4621 | |
| 4622 | if (VAR_P (*node)(((enum tree_code) (*node)->base.code) == VAR_DECL) |
| 4623 | || code == FIELD_DECL |
| 4624 | || code == PARM_DECL) |
| 4625 | { |
| 4626 | tree type = TREE_TYPE (*node)((contains_struct_check ((*node), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4626, __FUNCTION__))->typed.type); |
| 4627 | |
| 4628 | if (POINTER_TYPE_P (type)(((enum tree_code) (type)->base.code) == POINTER_TYPE || ( (enum tree_code) (type)->base.code) == REFERENCE_TYPE) || TREE_CODE (type)((enum tree_code) (type)->base.code) == ARRAY_TYPE) |
| 4629 | { |
| 4630 | /* Accept the attribute on arrays and pointers to all three |
| 4631 | narrow character types. */ |
| 4632 | tree eltype = TREE_TYPE (type)((contains_struct_check ((type), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4632, __FUNCTION__))->typed.type); |
| 4633 | eltype = TYPE_MAIN_VARIANT (eltype)((tree_class_check ((eltype), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4633, __FUNCTION__))->type_common.main_variant); |
| 4634 | if (eltype == char_type_nodeinteger_types[itk_char] |
| 4635 | || eltype == signed_char_type_nodeinteger_types[itk_signed_char] |
| 4636 | || eltype == unsigned_char_type_nodeinteger_types[itk_unsigned_char]) |
| 4637 | return NULL_TREE(tree) nullptr; |
| 4638 | } |
| 4639 | |
| 4640 | warning (OPT_Wattributes, |
| 4641 | "%qE attribute ignored on objects of type %qT", |
| 4642 | name, type); |
| 4643 | *no_add_attrs = true; |
| 4644 | return NULL_TREE(tree) nullptr; |
| 4645 | } |
| 4646 | |
| 4647 | if (code == FUNCTION_DECL) |
| 4648 | warning (OPT_Wattributes, |
| 4649 | "%qE attribute does not apply to functions", name); |
| 4650 | else if (code == TYPE_DECL) |
| 4651 | warning (OPT_Wattributes, |
| 4652 | "%qE attribute does not apply to types", name); |
| 4653 | else |
| 4654 | warning (OPT_Wattributes, "%qE attribute ignored", name); |
| 4655 | |
| 4656 | *no_add_attrs = true; |
| 4657 | return NULL_TREE(tree) nullptr; |
| 4658 | } |
| 4659 | |
| 4660 | /* Given a function type FUNCTYPE, returns the type of the parameter |
| 4661 | ARGNO or null if ARGNO exceeds the number of parameters. On failure |
| 4662 | set *NARGS to the number of function parameters. */ |
| 4663 | |
| 4664 | static tree |
| 4665 | get_argument_type (tree functype, unsigned argno, unsigned *nargs) |
| 4666 | { |
| 4667 | function_args_iterator iter; |
| 4668 | function_args_iter_init (&iter, functype); |
| 4669 | |
| 4670 | unsigned count = 0; |
| 4671 | |
| 4672 | for ( ; iter.next; ++count, function_args_iter_next (&iter)) |
| 4673 | { |
| 4674 | if (count + 1 == argno) |
| 4675 | { |
| 4676 | tree argtype = function_args_iter_cond (&iter); |
| 4677 | if (VOID_TYPE_P (argtype)(((enum tree_code) (argtype)->base.code) == VOID_TYPE)) |
| 4678 | break; |
| 4679 | if (argtype != error_mark_nodeglobal_trees[TI_ERROR_MARK]) |
| 4680 | return argtype; |
| 4681 | } |
| 4682 | } |
| 4683 | |
| 4684 | *nargs = count; |
| 4685 | return NULL_TREE(tree) nullptr; |
| 4686 | } |
| 4687 | |
| 4688 | /* Given a function FNDECL return the function argument at the zero- |
| 4689 | based position ARGNO or null if it can't be found. */ |
| 4690 | |
| 4691 | static tree |
| 4692 | get_argument (tree fndecl, unsigned argno) |
| 4693 | { |
| 4694 | if (!DECL_P (fndecl)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (fndecl)->base.code))] == tcc_declaration)) |
| 4695 | return NULL_TREE(tree) nullptr; |
| 4696 | |
| 4697 | unsigned i = 0; |
| 4698 | for (tree arg = DECL_ARGUMENTS (fndecl)((tree_check ((fndecl), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4698, __FUNCTION__, (FUNCTION_DECL)))->function_decl.arguments ); arg; arg = TREE_CHAIN (arg)((contains_struct_check ((arg), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4698, __FUNCTION__))->common.chain)) |
| 4699 | if (i++ == argno) |
| 4700 | return arg; |
| 4701 | |
| 4702 | return NULL_TREE(tree) nullptr; |
| 4703 | } |
| 4704 | |
| 4705 | /* Attempt to append attribute access specification ATTRSPEC, optionally |
| 4706 | described by the human-readable string ATTRSTR, for type T, to one in |
| 4707 | ATTRS. VBLIST is an optional list of bounds of variable length array |
| 4708 | parameters described by ATTRSTR. |
| 4709 | Issue warning for conflicts and return null if any are found. |
| 4710 | Return the concatenated access string on success. */ |
| 4711 | |
| 4712 | static tree |
| 4713 | append_access_attr (tree node[3], tree attrs, const char *attrstr, |
| 4714 | const char *attrspec, tree vblist = NULL_TREE(tree) nullptr) |
| 4715 | { |
| 4716 | tree argstr = build_string (strlen (attrspec) + 1, attrspec); |
| 4717 | tree ataccess = tree_cons (NULL_TREE(tree) nullptr, argstr, vblist); |
| 4718 | ataccess = tree_cons (get_identifier ("access")(__builtin_constant_p ("access") ? get_identifier_with_length (("access"), strlen ("access")) : get_identifier ("access")), ataccess, NULL_TREE(tree) nullptr); |
| 4719 | |
| 4720 | /* The access specification being applied. This may be an implicit |
| 4721 | access spec synthesized for array (or VLA) parameters even for |
| 4722 | a declaration with an explicit access spec already applied, if |
| 4723 | this call corresponds to the first declaration of the function. */ |
| 4724 | rdwr_map new_idxs; |
| 4725 | init_attr_rdwr_indices (&new_idxs, ataccess); |
| 4726 | |
| 4727 | /* The current access specification alrady applied. */ |
| 4728 | rdwr_map cur_idxs; |
| 4729 | init_attr_rdwr_indices (&cur_idxs, attrs); |
| 4730 | |
| 4731 | tree args = TYPE_ARG_TYPES (node[0])((tree_check2 ((node[0]), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4731, __FUNCTION__, (FUNCTION_TYPE), (METHOD_TYPE)))->type_non_common .values); |
| 4732 | int argpos = 0; |
| 4733 | std::string spec; |
| 4734 | for (tree arg = args; arg; arg = TREE_CHAIN (arg)((contains_struct_check ((arg), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4734, __FUNCTION__))->common.chain), argpos++) |
| 4735 | { |
| 4736 | const attr_access* const newa = new_idxs.get (argpos); |
| 4737 | |
| 4738 | if (!newa) |
| 4739 | continue; |
| 4740 | |
| 4741 | /* The map has two equal entries for each pointer argument that |
| 4742 | has an associated size argument. Process just the entry for |
| 4743 | the former. */ |
| 4744 | if ((unsigned)argpos != newa->ptrarg) |
| 4745 | continue; |
| 4746 | |
| 4747 | const attr_access* const cura = cur_idxs.get (argpos); |
| 4748 | if (!cura) |
| 4749 | { |
| 4750 | /* The new attribute needs to be added. */ |
| 4751 | tree str = newa->to_internal_string (); |
| 4752 | spec += TREE_STRING_POINTER (str)((const char *)((tree_check ((str), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4752, __FUNCTION__, (STRING_CST)))->string.str)); |
| 4753 | continue; |
| 4754 | } |
| 4755 | |
| 4756 | /* The new access spec refers to an array/pointer argument for |
| 4757 | which an access spec already exists. Check and diagnose any |
| 4758 | conflicts. If no conflicts are found, merge the two. */ |
| 4759 | |
| 4760 | if (!attrstr) |
| 4761 | { |
| 4762 | tree str = NULL_TREE(tree) nullptr; |
| 4763 | if (newa->mode != access_deferred) |
| 4764 | str = newa->to_external_string (); |
| 4765 | else if (cura->mode != access_deferred) |
| 4766 | str = cura->to_external_string (); |
| 4767 | if (str) |
| 4768 | attrstr = TREE_STRING_POINTER (str)((const char *)((tree_check ((str), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4768, __FUNCTION__, (STRING_CST)))->string.str)); |
| 4769 | } |
| 4770 | |
| 4771 | location_t curloc = input_location; |
| 4772 | if (node[2] && DECL_P (node[2])(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (node[2])->base.code))] == tcc_declaration)) |
| 4773 | curloc = DECL_SOURCE_LOCATION (node[2])((contains_struct_check ((node[2]), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4773, __FUNCTION__))->decl_minimal.locus); |
| 4774 | |
| 4775 | location_t prevloc = UNKNOWN_LOCATION((location_t) 0); |
| 4776 | if (node[1] && DECL_P (node[1])(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (node[1])->base.code))] == tcc_declaration)) |
| 4777 | prevloc = DECL_SOURCE_LOCATION (node[1])((contains_struct_check ((node[1]), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4777, __FUNCTION__))->decl_minimal.locus); |
| 4778 | |
| 4779 | if (newa->mode != cura->mode |
| 4780 | && newa->mode != access_deferred |
| 4781 | && cura->mode != access_deferred |
| 4782 | && newa->internal_p == cura->internal_p) |
| 4783 | { |
| 4784 | /* Mismatch in access mode. */ |
| 4785 | auto_diagnostic_group d; |
| 4786 | if (warning_at (curloc, OPT_Wattributes, |
| 4787 | "attribute %qs mismatch with mode %qs", |
| 4788 | attrstr, cura->mode_names[cura->mode]) |
| 4789 | && prevloc != UNKNOWN_LOCATION((location_t) 0)) |
| 4790 | inform (prevloc, "previous declaration here"); |
| 4791 | continue; |
| 4792 | } |
| 4793 | |
| 4794 | /* Set if PTRARG refers to a VLA with an unspecified bound (T[*]). |
| 4795 | Be prepared for either CURA or NEWA to refer to it, depending |
| 4796 | on which happens to come first in the declaration. */ |
| 4797 | const bool cur_vla_ub = (cura->internal_p |
| 4798 | && cura->sizarg == UINT_MAX(2147483647 *2U +1U) |
| 4799 | && cura->minsize == HOST_WIDE_INT_M1U-1UL); |
| 4800 | const bool new_vla_ub = (newa->internal_p |
| 4801 | && newa->sizarg == UINT_MAX(2147483647 *2U +1U) |
| 4802 | && newa->minsize == HOST_WIDE_INT_M1U-1UL); |
| 4803 | |
| 4804 | if (newa->sizarg != cura->sizarg |
| 4805 | && attrstr |
| 4806 | && (!(cur_vla_ub ^ new_vla_ub) |
| 4807 | || (!cura->internal_p && !newa->internal_p))) |
| 4808 | { |
| 4809 | /* Avoid diagnosing redeclarations of functions with no explicit |
| 4810 | attribute access that add one. */ |
| 4811 | if (newa->mode == access_deferred |
| 4812 | && cura->mode != access_deferred |
| 4813 | && newa->sizarg == UINT_MAX(2147483647 *2U +1U) |
| 4814 | && cura->sizarg != UINT_MAX(2147483647 *2U +1U)) |
| 4815 | continue; |
| 4816 | |
| 4817 | if (cura->mode == access_deferred |
| 4818 | && newa->mode != access_deferred |
| 4819 | && cura->sizarg == UINT_MAX(2147483647 *2U +1U) |
| 4820 | && newa->sizarg != UINT_MAX(2147483647 *2U +1U)) |
| 4821 | continue; |
| 4822 | |
| 4823 | /* The two specs designate different size arguments. It's okay |
| 4824 | for the explicit spec to specify a size where none is provided |
| 4825 | by the implicit (VLA) one, as in: |
| 4826 | __attribute__ ((access (read_write, 1, 2))) |
| 4827 | void f (int*, int); |
| 4828 | but not for two explicit access attributes to do that. */ |
| 4829 | bool warned = false; |
| 4830 | |
| 4831 | auto_diagnostic_group d; |
| 4832 | |
| 4833 | if (newa->sizarg == UINT_MAX(2147483647 *2U +1U)) |
| 4834 | /* Mismatch in the presence of the size argument. */ |
| 4835 | warned = warning_at (curloc, OPT_Wattributes, |
| 4836 | "attribute %qs missing positional argument 2 " |
| 4837 | "provided in previous designation by argument " |
| 4838 | "%u", attrstr, cura->sizarg + 1); |
| 4839 | else if (cura->sizarg == UINT_MAX(2147483647 *2U +1U)) |
| 4840 | /* Mismatch in the presence of the size argument. */ |
| 4841 | warned = warning_at (curloc, OPT_Wattributes, |
| 4842 | "attribute %qs positional argument 2 " |
| 4843 | "missing in previous designation", |
| 4844 | attrstr); |
| 4845 | else if (newa->internal_p || cura->internal_p) |
| 4846 | /* Mismatch in the value of the size argument and a VLA bound. */ |
| 4847 | warned = warning_at (curloc, OPT_Wattributes, |
| 4848 | "attribute %qs positional argument 2 " |
| 4849 | "conflicts with previous designation " |
| 4850 | "by argument %u", |
| 4851 | attrstr, cura->sizarg + 1); |
| 4852 | else |
| 4853 | /* Mismatch in the value of the size argument between two |
| 4854 | explicit access attributes. */ |
| 4855 | warned = warning_at (curloc, OPT_Wattributes, |
| 4856 | "attribute %qs mismatched positional argument " |
| 4857 | "values %i and %i", |
| 4858 | attrstr, newa->sizarg + 1, cura->sizarg + 1); |
| 4859 | |
| 4860 | if (warned) |
| 4861 | { |
| 4862 | /* If the previous declaration is a function (as opposed |
| 4863 | to a typedef of one), find the location of the array |
| 4864 | or pointer argument that uses the conflicting VLA bound |
| 4865 | and point to it in the note. */ |
| 4866 | const attr_access* const pa = cura->size ? cura : newa; |
| 4867 | tree size = pa->size ? TREE_VALUE (pa->size)((tree_check ((pa->size), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4867, __FUNCTION__, (TREE_LIST)))->list.value) : NULL_TREE(tree) nullptr; |
| 4868 | if (size && DECL_P (size)(tree_code_type_tmpl <0>::tree_code_type[(int) (((enum tree_code ) (size)->base.code))] == tcc_declaration)) |
| 4869 | { |
| 4870 | location_t argloc = UNKNOWN_LOCATION((location_t) 0); |
| 4871 | if (tree arg = get_argument (node[2], pa->ptrarg)) |
| 4872 | argloc = DECL_SOURCE_LOCATION (arg)((contains_struct_check ((arg), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4872, __FUNCTION__))->decl_minimal.locus); |
| 4873 | |
| 4874 | gcc_rich_location richloc (DECL_SOURCE_LOCATION (size)((contains_struct_check ((size), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4874, __FUNCTION__))->decl_minimal.locus)); |
| 4875 | if (argloc != UNKNOWN_LOCATION((location_t) 0)) |
| 4876 | richloc.add_range (argloc); |
| 4877 | |
| 4878 | inform (&richloc, "designating the bound of variable " |
| 4879 | "length array argument %u", |
| 4880 | pa->ptrarg + 1); |
| 4881 | } |
| 4882 | else if (prevloc != UNKNOWN_LOCATION((location_t) 0)) |
| 4883 | inform (prevloc, "previous declaration here"); |
| 4884 | } |
| 4885 | |
| 4886 | continue; |
| 4887 | } |
| 4888 | |
| 4889 | if (newa->internal_p == cura->internal_p) |
| 4890 | continue; |
| 4891 | |
| 4892 | /* Merge the CURA and NEWA. */ |
| 4893 | attr_access merged = *newa; |
| 4894 | |
| 4895 | /* VLA seen in a declaration takes precedence. */ |
| 4896 | if (cura->minsize == HOST_WIDE_INT_M1U-1UL) |
| 4897 | merged.minsize = HOST_WIDE_INT_M1U-1UL; |
| 4898 | |
| 4899 | /* Use the explicitly specified size positional argument. */ |
| 4900 | if (cura->sizarg != UINT_MAX(2147483647 *2U +1U)) |
| 4901 | merged.sizarg = cura->sizarg; |
| 4902 | |
| 4903 | /* Use the explicitly specified mode. */ |
| 4904 | if (merged.mode == access_deferred) |
| 4905 | merged.mode = cura->mode; |
| 4906 | |
| 4907 | tree str = merged.to_internal_string (); |
| 4908 | spec += TREE_STRING_POINTER (str)((const char *)((tree_check ((str), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4908, __FUNCTION__, (STRING_CST)))->string.str)); |
| 4909 | } |
| 4910 | |
| 4911 | if (!spec.length ()) |
| 4912 | return NULL_TREE(tree) nullptr; |
| 4913 | |
| 4914 | return build_string (spec.length (), spec.c_str ()); |
| 4915 | } |
| 4916 | |
| 4917 | /* Convenience wrapper for the above. */ |
| 4918 | |
| 4919 | static tree |
| 4920 | append_access_attr_idxs (tree node[3], tree attrs, const char *attrstr, |
| 4921 | char code, HOST_WIDE_INTlong idxs[2]) |
| 4922 | { |
| 4923 | char attrspec[80]; |
| 4924 | int n = sprintf (attrspec, "%c%u", code, (unsigned) idxs[0] - 1); |
| 4925 | if (idxs[1]) |
| 4926 | n += sprintf (attrspec + n, ",%u", (unsigned) idxs[1] - 1); |
Value stored to 'n' is never read | |
| 4927 | |
| 4928 | return append_access_attr (node, attrs, attrstr, attrspec); |
| 4929 | } |
| 4930 | |
| 4931 | /* Handle the access attribute for function type NODE[0], with the function |
| 4932 | DECL optionally in NODE[1]. The handler is called both in response to |
| 4933 | an explict attribute access on a declaration with a mode and one or two |
| 4934 | positional arguments, and for internally synthesized access specifications |
| 4935 | with a string argument optionally followd by a DECL or expression |
| 4936 | representing a VLA bound. To speed up parsing, the handler transforms |
| 4937 | the attribute and its arguments into a string. */ |
| 4938 | |
| 4939 | static tree |
| 4940 | handle_access_attribute (tree node[3], tree name, tree args, int flags, |
| 4941 | bool *no_add_attrs) |
| 4942 | { |
| 4943 | tree attrs = TYPE_ATTRIBUTES (*node)((tree_class_check ((*node), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4943, __FUNCTION__))->type_common.attributes); |
| 4944 | tree type = *node; |
| 4945 | if (POINTER_TYPE_P (type)(((enum tree_code) (type)->base.code) == POINTER_TYPE || ( (enum tree_code) (type)->base.code) == REFERENCE_TYPE)) |
| 4946 | { |
| 4947 | tree ptype = TREE_TYPE (type)((contains_struct_check ((type), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4947, __FUNCTION__))->typed.type); |
| 4948 | if (FUNC_OR_METHOD_TYPE_P (ptype)(((enum tree_code) (ptype)->base.code) == FUNCTION_TYPE || ((enum tree_code) (ptype)->base.code) == METHOD_TYPE)) |
| 4949 | type = ptype; |
| 4950 | } |
| 4951 | |
| 4952 | *no_add_attrs = true; |
| 4953 | |
| 4954 | /* Verify a full prototype is provided so that the argument types |
| 4955 | can be validated. Avoid diagnosing type-generic built-ins since |
| 4956 | those have no prototype. */ |
| 4957 | if (!args |
| 4958 | && !prototype_p (type) |
| 4959 | && (!attrs || !lookup_attribute ("type generic", attrs))) |
| 4960 | { |
| 4961 | error ("attribute %qE without arguments on a non-prototype", name); |
| 4962 | return NULL_TREE(tree) nullptr; |
| 4963 | } |
| 4964 | |
| 4965 | tree access_mode = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4965, __FUNCTION__, (TREE_LIST)))->list.value); |
| 4966 | if (TREE_CODE (access_mode)((enum tree_code) (access_mode)->base.code) == STRING_CST) |
| 4967 | { |
| 4968 | const char* const str = TREE_STRING_POINTER (access_mode)((const char *)((tree_check ((access_mode), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4968, __FUNCTION__, (STRING_CST)))->string.str)); |
| 4969 | if (*str == '+') |
| 4970 | { |
| 4971 | /* This is a request to merge an internal specification for |
| 4972 | a function declaration involving arrays but no explicit |
| 4973 | attribute access. */ |
| 4974 | tree vblist = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 4974, __FUNCTION__))->common.chain); |
| 4975 | tree axstr = append_access_attr (node, attrs, NULLnullptr, str + 1, |
| 4976 | vblist); |
| 4977 | if (!axstr) |
| 4978 | return NULL_TREE(tree) nullptr; |
| 4979 | |
| 4980 | /* Replace any existing access attribute specification with |
| 4981 | the concatenation above. */ |
| 4982 | tree axsat = tree_cons (NULL_TREE(tree) nullptr, axstr, vblist); |
| 4983 | axsat = tree_cons (name, axsat, NULL_TREE(tree) nullptr); |
| 4984 | |
| 4985 | /* Recursively call self to "replace" the documented/external |
| 4986 | form of the attribute with the condensend internal form. */ |
| 4987 | decl_attributes (node, axsat, flags | ATTR_FLAG_INTERNAL); |
| 4988 | return NULL_TREE(tree) nullptr; |
| 4989 | } |
| 4990 | |
| 4991 | if (flags & ATTR_FLAG_INTERNAL) |
| 4992 | { |
| 4993 | /* This is a recursive call to handle the condensed internal |
| 4994 | form of the attribute (see below). Since all validation |
| 4995 | has been done simply return here, accepting the attribute |
| 4996 | as is. */ |
| 4997 | *no_add_attrs = false; |
| 4998 | return NULL_TREE(tree) nullptr; |
| 4999 | } |
| 5000 | } |
| 5001 | |
| 5002 | /* Set to true when the access mode has the form of a function call |
| 5003 | as in 'attribute (read_only (1, 2))'. That's an easy mistake to |
| 5004 | make and so worth a special diagnostic. */ |
| 5005 | bool funcall = false; |
| 5006 | if (TREE_CODE (access_mode)((enum tree_code) (access_mode)->base.code) == CALL_EXPR) |
| 5007 | { |
| 5008 | access_mode = CALL_EXPR_FN (access_mode)(*((const_cast<tree*> (tree_operand_check (((tree_check ((access_mode), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5008, __FUNCTION__, (CALL_EXPR)))), (1), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5008, __FUNCTION__))))); |
| 5009 | if (TREE_CODE (access_mode)((enum tree_code) (access_mode)->base.code) != ADDR_EXPR) |
| 5010 | { |
| 5011 | error ("attribute %qE invalid mode", name); |
| 5012 | return NULL_TREE(tree) nullptr; |
| 5013 | } |
| 5014 | access_mode = TREE_OPERAND (access_mode, 0)(*((const_cast<tree*> (tree_operand_check ((access_mode ), (0), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5014, __FUNCTION__))))); |
| 5015 | access_mode = DECL_NAME (access_mode)((contains_struct_check ((access_mode), (TS_DECL_MINIMAL), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5015, __FUNCTION__))->decl_minimal.name); |
| 5016 | funcall = true; |
| 5017 | } |
| 5018 | else if (TREE_CODE (access_mode)((enum tree_code) (access_mode)->base.code) != IDENTIFIER_NODE) |
| 5019 | { |
| 5020 | error ("attribute %qE mode %qE is not an identifier; expected one of " |
| 5021 | "%qs, %qs, %qs, or %qs", name, access_mode, |
| 5022 | "read_only", "read_write", "write_only", "none"); |
| 5023 | return NULL_TREE(tree) nullptr; |
| 5024 | } |
| 5025 | |
| 5026 | const char* const access_str = IDENTIFIER_POINTER (access_mode)((const char *) (tree_check ((access_mode), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5026, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ); |
| 5027 | const char *ps = access_str; |
| 5028 | if (ps[0] == '_' && ps[1] == '_') |
| 5029 | { |
| 5030 | size_t len = strlen (ps); |
| 5031 | if (ps[len - 1] == '_' && ps[len - 2] == '_') |
| 5032 | ps += 2; |
| 5033 | } |
| 5034 | |
| 5035 | int imode; |
| 5036 | |
| 5037 | { |
| 5038 | const int nmodes = ARRAY_SIZE (attr_access::mode_names)(sizeof (attr_access::mode_names) / sizeof ((attr_access::mode_names )[0])); |
| 5039 | |
| 5040 | for (imode = 0; imode != nmodes; ++imode) |
| 5041 | if (!strncmp (ps, attr_access::mode_names[imode], |
| 5042 | strlen (attr_access::mode_names[imode]))) |
| 5043 | break; |
| 5044 | |
| 5045 | if (imode == nmodes) |
| 5046 | { |
| 5047 | error ("attribute %qE invalid mode %qs; expected one of " |
| 5048 | "%qs, %qs, %qs, or %qs", name, access_str, |
| 5049 | "read_only", "read_write", "write_only", "none"); |
| 5050 | return NULL_TREE(tree) nullptr; |
| 5051 | } |
| 5052 | } |
| 5053 | |
| 5054 | const ::access_mode mode = static_cast<::access_mode>(imode); |
| 5055 | |
| 5056 | if (funcall) |
| 5057 | { |
| 5058 | error ("attribute %qE unexpected %<(%> after mode %qs; expected " |
| 5059 | "a positional argument or %<)%>", |
| 5060 | name, access_str); |
| 5061 | return NULL_TREE(tree) nullptr; |
| 5062 | } |
| 5063 | |
| 5064 | args = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5064, __FUNCTION__))->common.chain); |
| 5065 | if (!args) |
| 5066 | { |
| 5067 | /* The first positional argument is required. It may be worth |
| 5068 | dropping the requirement at some point and having read_only |
| 5069 | apply to all const-qualified pointers and read_write or |
| 5070 | write_only to the rest. */ |
| 5071 | error ("attribute %<%E(%s)%> missing an argument", |
| 5072 | name, access_str); |
| 5073 | return NULL_TREE(tree) nullptr; |
| 5074 | } |
| 5075 | |
| 5076 | /* One or more positional arguments have been specified. Validate |
| 5077 | them. */ |
| 5078 | tree idxnodes[2] = { NULL_TREE(tree) nullptr, NULL_TREE(tree) nullptr }; |
| 5079 | tree argtypes[2] = { NULL_TREE(tree) nullptr, NULL_TREE(tree) nullptr }; |
| 5080 | /* 1-based attribute positional arguments or zero if not specified. |
| 5081 | Invalid negative or excessive values are also stored but used |
| 5082 | only in diagnostics. */ |
| 5083 | HOST_WIDE_INTlong idxs[2] = { 0, 0 }; |
| 5084 | |
| 5085 | /* Number of function formal arguments (used in diagnostics). */ |
| 5086 | unsigned nfuncargs = 0; |
| 5087 | /* Number of (optional) attribute positional arguments. */ |
| 5088 | unsigned nattrargs = 0; |
| 5089 | |
| 5090 | for (unsigned i = 0; i != 2; ++i, args = TREE_CHAIN (args)((contains_struct_check ((args), (TS_COMMON), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5090, __FUNCTION__))->common.chain), ++nattrargs) |
| 5091 | { |
| 5092 | if (!args) |
| 5093 | break; |
| 5094 | |
| 5095 | idxnodes[i] = TREE_VALUE (args)((tree_check ((args), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5095, __FUNCTION__, (TREE_LIST)))->list.value); |
| 5096 | |
| 5097 | if (TREE_CODE (idxnodes[i])((enum tree_code) (idxnodes[i])->base.code) != IDENTIFIER_NODE |
| 5098 | && TREE_CODE (idxnodes[i])((enum tree_code) (idxnodes[i])->base.code) != FUNCTION_DECL) |
| 5099 | idxnodes[i] = default_conversion (idxnodes[i]); |
| 5100 | |
| 5101 | if (tree_fits_shwi_p (idxnodes[i])) |
| 5102 | { |
| 5103 | idxs[i] = tree_to_shwi (idxnodes[i]); |
| 5104 | argtypes[i] = get_argument_type (type, idxs[i], &nfuncargs); |
| 5105 | } |
| 5106 | } |
| 5107 | |
| 5108 | if ((nattrargs == 1 && !idxs[0]) |
| 5109 | || (nattrargs == 2 && (!idxs[0] || !idxs[1]))) |
| 5110 | { |
| 5111 | if (idxnodes[1]) |
| 5112 | error ("attribute %<%E(%s, %E, %E)%> invalid positional argument %i", |
| 5113 | name, access_str, idxnodes[0], idxnodes[1], idxs[0] ? 2 : 1); |
| 5114 | else |
| 5115 | error ("attribute %<%E(%s, %E)%> invalid positional argument %i", |
| 5116 | name, access_str, idxnodes[0], idxs[0] ? 2 : 1); |
| 5117 | return NULL_TREE(tree) nullptr; |
| 5118 | } |
| 5119 | |
| 5120 | /* Format the attribute specification to include in diagnostics. */ |
| 5121 | char attrstr[80]; |
| 5122 | if (idxnodes[1]) |
| 5123 | snprintf (attrstr, sizeof attrstr, "%s(%s, %lli, %lli)", |
| 5124 | IDENTIFIER_POINTER (name)((const char *) (tree_check ((name), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5124, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ), access_str, |
| 5125 | (long long) idxs[0], (long long) idxs[1]); |
| 5126 | else if (idxnodes[0]) |
| 5127 | snprintf (attrstr, sizeof attrstr, "%s(%s, %lli)", |
| 5128 | IDENTIFIER_POINTER (name)((const char *) (tree_check ((name), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5128, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ), access_str, |
| 5129 | (long long) idxs[0]); |
| 5130 | else |
| 5131 | snprintf (attrstr, sizeof attrstr, "%s(%s)", |
| 5132 | IDENTIFIER_POINTER (name)((const char *) (tree_check ((name), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5132, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str ), access_str); |
| 5133 | |
| 5134 | /* Verify the positional argument values are in range. */ |
| 5135 | if (!argtypes[0] || (idxnodes[1] && !argtypes[1])) |
| 5136 | { |
| 5137 | if (idxnodes[0]) |
| 5138 | { |
| 5139 | if (idxs[0] < 0 || idxs[1] < 0) |
| 5140 | error ("attribute %qs positional argument %i invalid value %wi", |
| 5141 | attrstr, idxs[0] < 0 ? 1 : 2, |
| 5142 | idxs[0] < 0 ? idxs[0] : idxs[1]); |
| 5143 | else |
| 5144 | error ("attribute %qs positional argument %i value %wi exceeds " |
| 5145 | "number of function arguments %u", |
| 5146 | attrstr, idxs[0] ? 1 : 2, |
| 5147 | idxs[0] ? idxs[0] : idxs[1], |
| 5148 | nfuncargs); |
| 5149 | } |
| 5150 | else |
| 5151 | error ("attribute %qs invalid positional argument", attrstr); |
| 5152 | |
| 5153 | return NULL_TREE(tree) nullptr; |
| 5154 | } |
| 5155 | |
| 5156 | if (!POINTER_TYPE_P (argtypes[0])(((enum tree_code) (argtypes[0])->base.code) == POINTER_TYPE || ((enum tree_code) (argtypes[0])->base.code) == REFERENCE_TYPE )) |
| 5157 | { |
| 5158 | /* The first argument must have a pointer or reference type. */ |
| 5159 | error ("attribute %qs positional argument 1 references " |
| 5160 | "non-pointer argument type %qT", |
| 5161 | attrstr, argtypes[0]); |
| 5162 | return NULL_TREE(tree) nullptr; |
| 5163 | } |
| 5164 | |
| 5165 | { |
| 5166 | /* Pointers to functions are not allowed. */ |
| 5167 | tree ptrtype = TREE_TYPE (argtypes[0])((contains_struct_check ((argtypes[0]), (TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5167, __FUNCTION__))->typed.type); |
| 5168 | if (FUNC_OR_METHOD_TYPE_P (ptrtype)(((enum tree_code) (ptrtype)->base.code) == FUNCTION_TYPE || ((enum tree_code) (ptrtype)->base.code) == METHOD_TYPE)) |
| 5169 | { |
| 5170 | error ("attribute %qs positional argument 1 references " |
| 5171 | "argument of function type %qT", |
| 5172 | attrstr, ptrtype); |
| 5173 | return NULL_TREE(tree) nullptr; |
| 5174 | } |
| 5175 | } |
| 5176 | |
| 5177 | if (mode == access_read_write || mode == access_write_only) |
| 5178 | { |
| 5179 | /* Read_write and write_only modes must reference non-const |
| 5180 | arguments. */ |
| 5181 | if (TYPE_READONLY (TREE_TYPE (argtypes[0]))((tree_class_check ((((contains_struct_check ((argtypes[0]), ( TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5181, __FUNCTION__))->typed.type)), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5181, __FUNCTION__))->base.readonly_flag)) |
| 5182 | { |
| 5183 | error ("attribute %qs positional argument 1 references " |
| 5184 | "%qs-qualified argument type %qT", |
| 5185 | attrstr, "const", argtypes[0]); |
| 5186 | return NULL_TREE(tree) nullptr; |
| 5187 | } |
| 5188 | } |
| 5189 | else if (!TYPE_READONLY (TREE_TYPE (argtypes[0]))((tree_class_check ((((contains_struct_check ((argtypes[0]), ( TS_TYPED), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5189, __FUNCTION__))->typed.type)), (tcc_type), "/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/c-family/c-attribs.cc" , 5189, __FUNCTION__))->base.readonly_flag)) |
| 5190 | { |
| 5191 | /* A read_only mode should ideally reference const-qualified |
| 5192 | arguments but it's not diagnosed error if one doesn't. |
| 5193 | This makes it possible to annotate legacy, const-incorrect |
| 5194 | APIs. It might be worth a diagnostic along the lines of |
| 5195 | -Wsuggest-const. */ |
| 5196 | ; |
| 5197 | } |
| 5198 | |
| 5199 | if (argtypes[1] && !INTEGRAL_TYPE_P (argtypes[1])(((enum tree_code) (argtypes[1])->base.code) == ENUMERAL_TYPE || ((enum tree_code) (argtypes[1])->base.code) == BOOLEAN_TYPE || ((enum tree_code) (argtypes[1])->base.code) == INTEGER_TYPE )) |
| 5200 | { |
| 5201 | error ("attribute %qs positional argument 2 references " |
| 5202 | "non-integer argument type %qT", |
| 5203 | attrstr, argtypes[1]); |