1/* Copyright (C) 2001-2020 Free Software Foundation, Inc. 2 Contributed by Joseph Myers <jsm28@cam.ac.uk>. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify it under 7the terms of the GNU General Public License as published by the Free 8Software Foundation; either version 3, or (at your option) any later 9version. 10 11GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12WARRANTY; without even the implied warranty of MERCHANTABILITY or 13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14for more details. 15 16You should have received a copy of the GNU General Public License 17along with GCC; see the file COPYING3. If not see 18<http://www.gnu.org/licenses/>. */ 19 20/* This header provides a declarative way of describing the attributes 21 that are applied to some built-in functions by default. Attributes 22 that are meant to be used by user-defined functions but aren't used 23 by any built-ins, or attributes that apply to types or variables 24 but not to functions need not and should not be defined here. 25 26 Before including this header, you must define the following macros. 27 In each case where there is an ENUM, it is an identifier used to 28 reference the tree in subsequent definitions. 29 30 DEF_ATTR_NULL_TREE (ENUM) 31 32 Constructs a NULL_TREE. 33 34 DEF_ATTR_INT (ENUM, VALUE) 35 36 Constructs an INTEGER_CST with value VALUE (an integer representable 37 in HOST_WIDE_INT). 38 39 DEF_ATTR_IDENT (ENUM, STRING) 40 41 Constructs an IDENTIFIER_NODE for STRING. 42 43 DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN) 44 45 Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given 46 as previous ENUM names). */ 47 48DEF_ATTR_NULL_TREE (ATTR_NULL) 49 50/* Construct a tree for a given integer and a list containing it. */ 51#define DEF_ATTR_FOR_INT(VALUE) \ 52 DEF_ATTR_INT (ATTR_##VALUE, VALUE) \ 53 DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE, ATTR_NULL, \ 54 ATTR_##VALUE, ATTR_NULL) 55DEF_ATTR_FOR_INT (0) 56DEF_ATTR_FOR_INT (1) 57DEF_ATTR_FOR_INT (2) 58DEF_ATTR_FOR_INT (3) 59DEF_ATTR_FOR_INT (4) 60DEF_ATTR_FOR_INT (5) 61DEF_ATTR_FOR_INT (6) 62#undef DEF_ATTR_FOR_INT 63 64/* Construct a tree for a given string and a list containing it. */ 65#define DEF_ATTR_FOR_STRING(ENUM, VALUE) \ 66 DEF_ATTR_STRING (ATTR_##ENUM, VALUE) \ 67 DEF_ATTR_TREE_LIST (ATTR_LIST_##ENUM, ATTR_NULL, \ 68 ATTR_##ENUM, ATTR_NULL) 69DEF_ATTR_FOR_STRING (STR1, "1") 70#undef DEF_ATTR_FOR_STRING 71 72/* Construct a tree for a list of two integers. */ 73#define DEF_LIST_INT_INT(VALUE1, VALUE2) \ 74 DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL, \ 75 ATTR_##VALUE1, ATTR_LIST_##VALUE2) 76DEF_LIST_INT_INT (1,0) 77DEF_LIST_INT_INT (1,2) 78DEF_LIST_INT_INT (1,3) 79DEF_LIST_INT_INT (1,4) 80DEF_LIST_INT_INT (1,5) 81DEF_LIST_INT_INT (2,0) 82DEF_LIST_INT_INT (2,3) 83DEF_LIST_INT_INT (3,0) 84DEF_LIST_INT_INT (3,4) 85DEF_LIST_INT_INT (4,0) 86DEF_LIST_INT_INT (4,5) 87DEF_LIST_INT_INT (5,0) 88DEF_LIST_INT_INT (5,6) 89#undef DEF_LIST_INT_INT 90 91/* Construct trees for identifiers used in built-in function attributes. 92 The construction contributes to startup costs so only attributes that 93 are used to define built-ins should be defined here. */ 94DEF_ATTR_IDENT (ATTR_ALLOC_SIZE, "alloc_size") 95DEF_ATTR_IDENT (ATTR_COLD, "cold") 96DEF_ATTR_IDENT (ATTR_CONST, "const") 97DEF_ATTR_IDENT (ATTR_FORMAT, "format") 98DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg") 99DEF_ATTR_IDENT (ATTR_MALLOC, "malloc") 100DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull") 101DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn") 102DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow") 103DEF_ATTR_IDENT (ATTR_LEAF, "leaf") 104DEF_ATTR_IDENT (ATTR_FNSPEC, "fn spec") 105DEF_ATTR_IDENT (ATTR_PRINTF, "printf") 106DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf") 107DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag") 108DEF_ATTR_IDENT (ATTR_GCC_CDIAG, "gcc_cdiag") 109DEF_ATTR_IDENT (ATTR_GCC_CXXDIAG, "gcc_cxxdiag") 110DEF_ATTR_IDENT (ATTR_PURE, "pure") 111DEF_ATTR_IDENT (ATTR_NOVOPS, "no vops") 112DEF_ATTR_IDENT (ATTR_SCANF, "scanf") 113DEF_ATTR_IDENT (ATTR_SENTINEL, "sentinel") 114DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon") 115DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime") 116DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic") 117DEF_ATTR_IDENT (ATTR_TM_REGPARM, "*tm regparm") 118DEF_ATTR_IDENT (ATTR_TM_TMPURE, "transaction_pure") 119DEF_ATTR_IDENT (ATTR_RETURNS_TWICE, "returns_twice") 120DEF_ATTR_IDENT (ATTR_RETURNS_NONNULL, "returns_nonnull") 121DEF_ATTR_IDENT (ATTR_WARN_UNUSED_RESULT, "warn_unused_result") 122 123DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL) 124 125DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOVOPS_LIST) 126 127DEF_ATTR_TREE_LIST (ATTR_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NULL) 128 129DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL) 130 131DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_LIST) 132 133DEF_ATTR_TREE_LIST (ATTR_NOVOPS_NOTHROW_LEAF_LIST, ATTR_NOVOPS, \ 134 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 135DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST, \ 136 ATTR_NULL, ATTR_NOTHROW_LIST) 137DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_CONST, \ 138 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 139DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE, \ 140 ATTR_NULL, ATTR_NOTHROW_LIST) 141DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LEAF_LIST, ATTR_PURE, \ 142 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 143DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \ 144 ATTR_NULL, ATTR_NOTHROW_LIST) 145DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_LIST, ATTR_NORETURN,\ 146 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 147DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST, ATTR_COLD,\ 148 ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST) 149DEF_ATTR_TREE_LIST (ATTR_RT_NOTHROW_LEAF_LIST, ATTR_RETURNS_TWICE,\ 150 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 151DEF_ATTR_TREE_LIST (ATTR_COLD_NOTHROW_LEAF_LIST, ATTR_COLD,\ 152 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 153DEF_ATTR_TREE_LIST (ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST, ATTR_COLD,\ 154 ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST) 155DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\ 156 ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST) 157DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST, ATTR_COLD,\ 158 ATTR_NULL, ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST) 159DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC, \ 160 ATTR_NULL, ATTR_NOTHROW_LIST) 161DEF_ATTR_TREE_LIST (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST, ATTR_WARN_UNUSED_RESULT, \ 162 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 163DEF_ATTR_TREE_LIST (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST, ATTR_MALLOC, \ 164 ATTR_NULL, ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST) 165DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL, \ 166 ATTR_NULL, ATTR_NOTHROW_LIST) 167DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LEAF_LIST, ATTR_SENTINEL, \ 168 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 169DEF_ATTR_TREE_LIST (ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\ 170 ATTR_NULL, ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST) 171 172/* Allocation functions like malloc and realloc whose first argument 173 with _SIZE_1, or second argument with _SIZE_2, specifies the size 174 of the allocated object. */ 175DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_NOTHROW_LIST, ATTR_ALLOC_SIZE, \ 176 ATTR_LIST_1, ATTR_MALLOC_NOTHROW_LIST) 177DEF_ATTR_TREE_LIST (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST, ATTR_WARN_UNUSED_RESULT, \ 178 ATTR_NULL, ATTR_MALLOC_NOTHROW_LIST) 179DEF_ATTR_TREE_LIST (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST, ATTR_ALLOC_SIZE, \ 180 ATTR_LIST_2, ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST) 181DEF_ATTR_TREE_LIST (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \ 182 ATTR_LIST_1, ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST) 183/* Alloca is just like malloc except that it never returns null. */ 184DEF_ATTR_TREE_LIST (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST, ATTR_RETURNS_NONNULL, 185 ATTR_NULL, ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST) 186 187/* Allocation functions like calloc the product of whose first two arguments 188 specifies the size of the allocated object. */ 189DEF_ATTR_TREE_LIST (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \ 190 ATTR_LIST_1_2, ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST) 191 192/* Allocation functions like realloc whose second argument specifies 193 the size of the allocated object. */ 194DEF_ATTR_TREE_LIST (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \ 195 ATTR_LIST_2, ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST) 196 197/* Functions whose pointer parameter(s) are all nonnull. */ 198DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL) 199/* Functions whose first parameter is a nonnull pointer. */ 200DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL) 201/* Functions whose second parameter is a nonnull pointer. */ 202DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL) 203/* Functions whose third parameter is a nonnull pointer. */ 204DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL) 205/* Nothrow functions with the sentinel(1) attribute. */ 206DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \ 207 ATTR_NOTHROW_LIST) 208/* Nothrow functions whose pointer parameter(s) are all nonnull. */ 209DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \ 210 ATTR_NOTHROW_LIST) 211/* Nothrow leaf functions whose pointer parameter(s) are all nonnull. */ 212DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF, ATTR_NONNULL, ATTR_NULL, \ 213 ATTR_NOTHROW_LEAF_LIST) 214DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_NONNULL_LEAF) 215/* Nothrow functions whose first parameter is a nonnull pointer. */ 216DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \ 217 ATTR_NOTHROW_LIST) 218/* Nothrow functions whose second parameter is a nonnull pointer. */ 219DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \ 220 ATTR_NOTHROW_LIST) 221/* Nothrow functions whose third parameter is a nonnull pointer. */ 222DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \ 223 ATTR_NOTHROW_LIST) 224/* Nothrow functions whose fourth parameter is a nonnull pointer. */ 225DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \ 226 ATTR_NOTHROW_LIST) 227/* Nothrow functions whose fifth parameter is a nonnull pointer. */ 228DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \ 229 ATTR_NOTHROW_LIST) 230 231/* Same as ATTR_NONNULL_1. */ 232DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL) 233/* Functions like {v,}fprintf whose first and second parameters are 234 nonnull pointers. As cancellation points the functions are not 235 nothrow. */ 236DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_1_2, ATTR_NULL) 237/* The following don't have {v,}fprintf forms. They exist only to 238 make it possible to declare {v,}{f,s}printf attributes using 239 the same macro. */ 240DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_3, ATTR_NONNULL, ATTR_LIST_1_3, ATTR_NULL) 241DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_1_4, ATTR_NULL) 242DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_5, ATTR_NONNULL, ATTR_LIST_1_5, ATTR_NULL) 243 244/* Same as ATTR_NOTHROW_NONNULL_1. */ 245DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_1, ATTR_NONNULL, ATTR_LIST_1, 246 ATTR_NOTHROW_LIST) 247/* Nothrow functions like {v,}sprintf whose first and second parameters 248 are nonnull pointers. */ 249DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_1_2, \ 250 ATTR_NOTHROW_LIST) 251/* Nothrow functions like {v,}snprintf whose first and third parameters 252 are nonnull pointers. */ 253DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_3, ATTR_NONNULL, ATTR_LIST_1_3, \ 254 ATTR_NOTHROW_LIST) 255/* Nothrow functions like {v,}sprintf_chk whose first and fourth parameters 256 are nonnull pointers. */ 257DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_1_4, \ 258 ATTR_NOTHROW_LIST) 259/* Nothrow functions like {v,}snprintf_chk whose first and fifth parameters 260 are nonnull pointers. */ 261DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_5, ATTR_NONNULL, ATTR_LIST_1_5, \ 262 ATTR_NOTHROW_LIST) 263 264/* Nothrow leaf functions which are type-generic. */ 265DEF_ATTR_TREE_LIST (ATTR_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \ 266 ATTR_NOTHROW_LEAF_LIST) 267/* Nothrow nonnull leaf functions that are type-generic. */ 268DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF, 269 ATTR_TYPEGENERIC, ATTR_NULL, 270 ATTR_NOTHROW_NONNULL_LEAF) 271/* Nothrow const functions whose pointer parameter(s) are all nonnull. */ 272DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \ 273 ATTR_NOTHROW_NONNULL) 274/* Nothrow leaf functions whose pointer parameter(s) are all nonnull, 275 and which return their first argument. */ 276DEF_ATTR_TREE_LIST (ATTR_RET1_NOTHROW_NONNULL_LEAF, ATTR_FNSPEC, ATTR_LIST_STR1, \ 277 ATTR_NOTHROW_NONNULL_LEAF) 278/* Nothrow leaf functions whose pointer parameter(s) are all nonnull, 279 and return value is also nonnull. */ 280DEF_ATTR_TREE_LIST (ATTR_RETNONNULL_NOTHROW_LEAF, ATTR_RETURNS_NONNULL, ATTR_NULL, \ 281 ATTR_NOTHROW_NONNULL_LEAF) 282/* Nothrow const leaf functions whose pointer parameter(s) are all nonnull. */ 283DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL_LEAF, ATTR_CONST, ATTR_NULL, \ 284 ATTR_NOTHROW_NONNULL_LEAF) 285/* Nothrow const functions which are type-generic. */ 286DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \ 287 ATTR_CONST_NOTHROW_LIST) 288/* Nothrow const leaf functions which are type-generic. */ 289DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \ 290 ATTR_CONST_NOTHROW_LEAF_LIST) 291/* Nothrow pure functions whose pointer parameter(s) are all nonnull. */ 292DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \ 293 ATTR_NOTHROW_NONNULL) 294/* Nothrow pure leaf functions whose pointer parameter(s) are all nonnull. */ 295DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_LEAF, ATTR_PURE, ATTR_NULL, \ 296 ATTR_NOTHROW_NONNULL_LEAF) 297/* Nothrow malloc functions whose pointer parameter(s) are all nonnull. */ 298DEF_ATTR_TREE_LIST (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL, ATTR_WARN_UNUSED_RESULT, ATTR_NULL, \ 299 ATTR_NOTHROW_NONNULL) 300DEF_ATTR_TREE_LIST (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \ 301 ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL) 302/* Nothrow malloc leaf functions whose pointer parameter(s) are all nonnull. */ 303DEF_ATTR_TREE_LIST (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF, ATTR_WARN_UNUSED_RESULT, ATTR_NULL, \ 304 ATTR_NOTHROW_NONNULL_LEAF) 305DEF_ATTR_TREE_LIST (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF, ATTR_MALLOC, ATTR_NULL, \ 306 ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF) 307 308/* Construct a tree for the format attribute (and implicitly nonnull). */ 309#define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES) \ 310 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ 311 ATTR_##TYPE, ATTR_LIST_##VALUES) \ 312 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \ 313 ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA) 314 315/* Construct a tree for the format and nothrow attributes (format 316 implies nonnull). */ 317#define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES) \ 318 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ 319 ATTR_##TYPE, ATTR_LIST_##VALUES) \ 320 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\ 321 ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA) 322 323/* Construct one tree for the format attribute and another for the format 324 and nothrow attributes (in both cases format implies nonnull). */ 325#define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES) \ 326 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ 327 ATTR_##TYPE, ATTR_LIST_##VALUES) \ 328 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \ 329 ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA) \ 330 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\ 331 ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA) 332 333/* Construct a pair of trees for the nonnull attribute for the first 334 argument, plus format printf attribute (format implies nonnull): 335 the first ordinary and the second nothrow. */ 336#define DEF_FORMAT_ATTRIBUTE_NONNULL(TYPE, FA, VALUES) \ 337 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_FORMAT_##TYPE##_##VALUES, \ 338 ATTR_FORMAT, ATTR_##TYPE##_##VALUES, \ 339 ATTR_NONNULL_1_##FA) \ 340 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_FORMAT_##TYPE##_##VALUES, \ 341 ATTR_FORMAT, ATTR_##TYPE##_##VALUES, \ 342 ATTR_NOTHROW_NONNULL_1_##FA) 343 344DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0) 345DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2) 346DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0) 347DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3) 348DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0) 349DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4) 350DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0) 351DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5) 352DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0) 353DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6) 354 355/* Attributes for fprintf(f, f, va). */ 356DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,1,1_2) 357/* Attributes for v{f,s}printf(d, f, va). vsprintf is nothrow, vfprintf 358 is not. */ 359DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,2,2_0) 360/* Attributes for {f,s}printf(d, f, ...). sprintf is nothrow, fprintf 361 is not. */ 362DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,2,2_3) 363/* Attributes for vprintf_chk. */ 364DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,3,3_0) 365/* Attributes for printf_chk. */ 366DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,3,3_4) 367/* Attributes for v{f,s}printf_chk(d, t, bos, f, va). vsprintf_chk is 368 nothrow, vfprintf_chk is not. */ 369DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,4,4_0) 370/* Attributes for {f,s}printf_chk(d, t, bos, f, ...). sprintf_chk is 371 nothrow, fprintf_chk is not. */ 372DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,4,4_5) 373 374DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0) 375DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2) 376DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0) 377DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3) 378DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0) 379DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4) 380#undef DEF_FORMAT_ATTRIBUTE 381#undef DEF_FORMAT_ATTRIBUTE_NOTHROW 382#undef DEF_FORMAT_ATTRIBUTE_BOTH 383 384/* Transactional memory variants of the above. */ 385 386DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_LIST, 387 ATTR_TM_REGPARM, ATTR_NULL, ATTR_NOTHROW_LIST) 388DEF_ATTR_TREE_LIST (ATTR_TM_TMPURE_NOTHROW_LIST, 389 ATTR_TM_TMPURE, ATTR_NULL, ATTR_TM_NOTHROW_LIST) 390DEF_ATTR_TREE_LIST (ATTR_TM_PURE_TMPURE_NOTHROW_LIST, 391 ATTR_PURE, ATTR_NULL, ATTR_TM_TMPURE_NOTHROW_LIST) 392DEF_ATTR_TREE_LIST (ATTR_TM_NORETURN_NOTHROW_LIST, 393 ATTR_TM_REGPARM, ATTR_NULL, ATTR_NORETURN_NOTHROW_LIST) 394DEF_ATTR_TREE_LIST (ATTR_TM_CONST_NOTHROW_LIST, 395 ATTR_TM_REGPARM, ATTR_NULL, ATTR_CONST_NOTHROW_LIST) 396DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_RT_LIST, 397 ATTR_RETURNS_TWICE, ATTR_NULL, ATTR_TM_NOTHROW_LIST) 398 399/* Same attributes used for BUILT_IN_MALLOC except with TM_PURE thrown in. */ 400DEF_ATTR_TREE_LIST (ATTR_TMPURE_MALLOC_NOTHROW_LIST, 401 ATTR_TM_TMPURE, ATTR_NULL, ATTR_MALLOC_NOTHROW_LIST) 402/* Same attributes used for BUILT_IN_FREE except with TM_PURE thrown in. */ 403DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LIST, 404 ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LIST) 405 406DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LEAF_LIST, 407 ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 408DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST, 409 ATTR_TM_TMPURE, ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST) 410DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST, 411 ATTR_COLD, ATTR_NULL, 412 ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST) 413 414/* Construct a tree for a format_arg attribute. */ 415#define DEF_FORMAT_ARG_ATTRIBUTE(FA) \ 416 DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG, \ 417 ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA) 418DEF_FORMAT_ARG_ATTRIBUTE(1) 419DEF_FORMAT_ARG_ATTRIBUTE(2) 420#undef DEF_FORMAT_ARG_ATTRIBUTE 421 422