1/* Copyright (C) 2001-2018 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") 121 122DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL) 123 124DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOVOPS_LIST) 125 126DEF_ATTR_TREE_LIST (ATTR_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NULL) 127 128DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL) 129 130DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_LIST) 131 132DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST, \ 133 ATTR_NULL, ATTR_NOTHROW_LIST) 134DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_CONST, \ 135 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 136DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE, \ 137 ATTR_NULL, ATTR_NOTHROW_LIST) 138DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LEAF_LIST, ATTR_PURE, \ 139 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 140DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \ 141 ATTR_NULL, ATTR_NOTHROW_LIST) 142DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_LIST, ATTR_NORETURN,\ 143 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 144DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST, ATTR_COLD,\ 145 ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST) 146DEF_ATTR_TREE_LIST (ATTR_RT_NOTHROW_LEAF_LIST, ATTR_RETURNS_TWICE,\ 147 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 148DEF_ATTR_TREE_LIST (ATTR_COLD_NOTHROW_LEAF_LIST, ATTR_COLD,\ 149 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 150DEF_ATTR_TREE_LIST (ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST, ATTR_COLD,\ 151 ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST) 152DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\ 153 ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST) 154DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST, ATTR_COLD,\ 155 ATTR_NULL, ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST) 156DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC, \ 157 ATTR_NULL, ATTR_NOTHROW_LIST) 158DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_MALLOC, \ 159 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 160DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL, \ 161 ATTR_NULL, ATTR_NOTHROW_LIST) 162DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LEAF_LIST, ATTR_SENTINEL, \ 163 ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 164DEF_ATTR_TREE_LIST (ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\ 165 ATTR_NULL, ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST) 166 167/* Allocation functions like malloc and realloc whose first argument 168 with _SIZE_1, or second argument with _SIZE_2, specifies the size 169 of the allocated object. */ 170DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_NOTHROW_LIST, ATTR_ALLOC_SIZE, \ 171 ATTR_LIST_1, ATTR_MALLOC_NOTHROW_LIST) 172DEF_ATTR_TREE_LIST (ATTR_ALLOC_SIZE_2_NOTHROW_LIST, ATTR_ALLOC_SIZE, \ 173 ATTR_LIST_2, ATTR_MALLOC_NOTHROW_LIST) 174DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \ 175 ATTR_LIST_1, ATTR_MALLOC_NOTHROW_LEAF_LIST) 176/* Alloca is just like malloc except that it never returns null. */ 177DEF_ATTR_TREE_LIST (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST, ATTR_RETURNS_NONNULL, 178 ATTR_NULL, ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST) 179 180/* Allocation functions like calloc the product of whose first two arguments 181 specifies the size of the allocated object. */ 182DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \ 183 ATTR_LIST_1_2, ATTR_MALLOC_NOTHROW_LEAF_LIST) 184 185/* Allocation functions like realloc whose second argument specifies 186 the size of the allocated object. */ 187DEF_ATTR_TREE_LIST (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \ 188 ATTR_LIST_2, ATTR_NOTHROW_LEAF_LIST) 189 190/* Functions whose pointer parameter(s) are all nonnull. */ 191DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL) 192/* Functions whose first parameter is a nonnull pointer. */ 193DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL) 194/* Functions whose second parameter is a nonnull pointer. */ 195DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL) 196/* Functions whose third parameter is a nonnull pointer. */ 197DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL) 198/* Nothrow functions with the sentinel(1) attribute. */ 199DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \ 200 ATTR_NOTHROW_LIST) 201/* Nothrow functions whose pointer parameter(s) are all nonnull. */ 202DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \ 203 ATTR_NOTHROW_LIST) 204/* Nothrow leaf functions whose pointer parameter(s) are all nonnull. */ 205DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF, ATTR_NONNULL, ATTR_NULL, \ 206 ATTR_NOTHROW_LEAF_LIST) 207DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_NONNULL_LEAF) 208/* Nothrow functions whose first parameter is a nonnull pointer. */ 209DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \ 210 ATTR_NOTHROW_LIST) 211/* Nothrow functions whose second parameter is a nonnull pointer. */ 212DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \ 213 ATTR_NOTHROW_LIST) 214/* Nothrow functions whose third parameter is a nonnull pointer. */ 215DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \ 216 ATTR_NOTHROW_LIST) 217/* Nothrow functions whose fourth parameter is a nonnull pointer. */ 218DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \ 219 ATTR_NOTHROW_LIST) 220/* Nothrow functions whose fifth parameter is a nonnull pointer. */ 221DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \ 222 ATTR_NOTHROW_LIST) 223 224/* Same as ATTR_NONNULL_1. */ 225DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL) 226/* Functions like {v,}fprintf whose first and second parameters are 227 nonnull pointers. As cancellation points the functions are not 228 nothrow. */ 229DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_1_2, ATTR_NULL) 230/* The following don't have {v,}fprintf forms. They exist only to 231 make it possible to declare {v,}{f,s}printf attributes using 232 the same macro. */ 233DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_3, ATTR_NONNULL, ATTR_LIST_1_3, ATTR_NULL) 234DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_1_4, ATTR_NULL) 235DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_5, ATTR_NONNULL, ATTR_LIST_1_5, ATTR_NULL) 236 237/* Same as ATTR_NOTHROW_NONNULL_1. */ 238DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_1, ATTR_NONNULL, ATTR_LIST_1, 239 ATTR_NOTHROW_LIST) 240/* Nothrow functions like {v,}sprintf whose first and second parameters 241 are nonnull pointers. */ 242DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_1_2, \ 243 ATTR_NOTHROW_LIST) 244/* Nothrow functions like {v,}snprintf whose first and third parameters 245 are nonnull pointers. */ 246DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_3, ATTR_NONNULL, ATTR_LIST_1_3, \ 247 ATTR_NOTHROW_LIST) 248/* Nothrow functions like {v,}sprintf_chk whose first and fourth parameters 249 are nonnull pointers. */ 250DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_1_4, \ 251 ATTR_NOTHROW_LIST) 252/* Nothrow functions like {v,}snprintf_chk whose first and fifth parameters 253 are nonnull pointers. */ 254DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_5, ATTR_NONNULL, ATTR_LIST_1_5, \ 255 ATTR_NOTHROW_LIST) 256 257/* Nothrow leaf functions which are type-generic. */ 258DEF_ATTR_TREE_LIST (ATTR_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \ 259 ATTR_NOTHROW_LEAF_LIST) 260/* Nothrow nonnull leaf functions that are type-generic. */ 261DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF, 262 ATTR_TYPEGENERIC, ATTR_NULL, 263 ATTR_NOTHROW_NONNULL_LEAF) 264/* Nothrow const functions whose pointer parameter(s) are all nonnull. */ 265DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \ 266 ATTR_NOTHROW_NONNULL) 267/* Nothrow leaf functions whose pointer parameter(s) are all nonnull, 268 and which return their first argument. */ 269DEF_ATTR_TREE_LIST (ATTR_RET1_NOTHROW_NONNULL_LEAF, ATTR_FNSPEC, ATTR_LIST_STR1, \ 270 ATTR_NOTHROW_NONNULL_LEAF) 271/* Nothrow leaf functions whose pointer parameter(s) are all nonnull, 272 and return value is also nonnull. */ 273DEF_ATTR_TREE_LIST (ATTR_RETNONNULL_NOTHROW_LEAF, ATTR_RETURNS_NONNULL, ATTR_NULL, \ 274 ATTR_NOTHROW_NONNULL_LEAF) 275/* Nothrow const leaf functions whose pointer parameter(s) are all nonnull. */ 276DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL_LEAF, ATTR_CONST, ATTR_NULL, \ 277 ATTR_NOTHROW_NONNULL_LEAF) 278/* Nothrow const functions which are type-generic. */ 279DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \ 280 ATTR_CONST_NOTHROW_LIST) 281/* Nothrow const leaf functions which are type-generic. */ 282DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \ 283 ATTR_CONST_NOTHROW_LEAF_LIST) 284/* Nothrow pure functions whose pointer parameter(s) are all nonnull. */ 285DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \ 286 ATTR_NOTHROW_NONNULL) 287/* Nothrow pure leaf functions whose pointer parameter(s) are all nonnull. */ 288DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_LEAF, ATTR_PURE, ATTR_NULL, \ 289 ATTR_NOTHROW_NONNULL_LEAF) 290/* Nothrow malloc functions whose pointer parameter(s) are all nonnull. */ 291DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \ 292 ATTR_NOTHROW_NONNULL) 293/* Nothrow malloc leaf functions whose pointer parameter(s) are all nonnull. */ 294DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL_LEAF, ATTR_MALLOC, ATTR_NULL, \ 295 ATTR_NOTHROW_NONNULL_LEAF) 296 297/* Construct a tree for the format attribute (and implicitly nonnull). */ 298#define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES) \ 299 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ 300 ATTR_##TYPE, ATTR_LIST_##VALUES) \ 301 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \ 302 ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA) 303 304/* Construct a tree for the format and nothrow attributes (format 305 implies nonnull). */ 306#define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES) \ 307 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ 308 ATTR_##TYPE, ATTR_LIST_##VALUES) \ 309 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\ 310 ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA) 311 312/* Construct one tree for the format attribute and another for the format 313 and nothrow attributes (in both cases format implies nonnull). */ 314#define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES) \ 315 DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ 316 ATTR_##TYPE, ATTR_LIST_##VALUES) \ 317 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \ 318 ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA) \ 319 DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\ 320 ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA) 321 322/* Construct a pair of trees for the nonnull attribute for the first 323 argument, plus format printf attribute (format implies nonnull): 324 the first ordinary and the second nothrow. */ 325#define DEF_FORMAT_ATTRIBUTE_NONNULL(TYPE, FA, VALUES) \ 326 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_FORMAT_##TYPE##_##VALUES, \ 327 ATTR_FORMAT, ATTR_##TYPE##_##VALUES, \ 328 ATTR_NONNULL_1_##FA) \ 329 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_FORMAT_##TYPE##_##VALUES, \ 330 ATTR_FORMAT, ATTR_##TYPE##_##VALUES, \ 331 ATTR_NOTHROW_NONNULL_1_##FA) 332 333DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0) 334DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2) 335DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0) 336DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3) 337DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0) 338DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4) 339DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0) 340DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5) 341DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0) 342DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6) 343 344/* Attributes for fprintf(f, f, va). */ 345DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,1,1_2) 346/* Attributes for v{f,s}printf(d, f, va). vsprintf is nothrow, vfprintf 347 is not. */ 348DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,2,2_0) 349/* Attributes for {f,s}printf(d, f, ...). sprintf is nothrow, fprintf 350 is not. */ 351DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,2,2_3) 352/* Attributes for vprintf_chk. */ 353DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,3,3_0) 354/* Attributes for printf_chk. */ 355DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,3,3_4) 356/* Attributes for v{f,s}printf_chk(d, t, bos, f, va). vsprintf_chk is 357 nothrow, vfprintf_chk is not. */ 358DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,4,4_0) 359/* Attributes for {f,s}printf_chk(d, t, bos, f, ...). sprintf_chk is 360 nothrow, fprintf_chk is not. */ 361DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,4,4_5) 362 363DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0) 364DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2) 365DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0) 366DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3) 367DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0) 368DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4) 369#undef DEF_FORMAT_ATTRIBUTE 370#undef DEF_FORMAT_ATTRIBUTE_NOTHROW 371#undef DEF_FORMAT_ATTRIBUTE_BOTH 372 373/* Transactional memory variants of the above. */ 374 375DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_LIST, 376 ATTR_TM_REGPARM, ATTR_NULL, ATTR_NOTHROW_LIST) 377DEF_ATTR_TREE_LIST (ATTR_TM_TMPURE_NOTHROW_LIST, 378 ATTR_TM_TMPURE, ATTR_NULL, ATTR_TM_NOTHROW_LIST) 379DEF_ATTR_TREE_LIST (ATTR_TM_PURE_TMPURE_NOTHROW_LIST, 380 ATTR_PURE, ATTR_NULL, ATTR_TM_TMPURE_NOTHROW_LIST) 381DEF_ATTR_TREE_LIST (ATTR_TM_NORETURN_NOTHROW_LIST, 382 ATTR_TM_REGPARM, ATTR_NULL, ATTR_NORETURN_NOTHROW_LIST) 383DEF_ATTR_TREE_LIST (ATTR_TM_CONST_NOTHROW_LIST, 384 ATTR_TM_REGPARM, ATTR_NULL, ATTR_CONST_NOTHROW_LIST) 385DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_RT_LIST, 386 ATTR_RETURNS_TWICE, ATTR_NULL, ATTR_TM_NOTHROW_LIST) 387 388/* Same attributes used for BUILT_IN_MALLOC except with TM_PURE thrown in. */ 389DEF_ATTR_TREE_LIST (ATTR_TMPURE_MALLOC_NOTHROW_LIST, 390 ATTR_TM_TMPURE, ATTR_NULL, ATTR_MALLOC_NOTHROW_LIST) 391/* Same attributes used for BUILT_IN_FREE except with TM_PURE thrown in. */ 392DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LIST, 393 ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LIST) 394 395DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LEAF_LIST, 396 ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LEAF_LIST) 397DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST, 398 ATTR_TM_TMPURE, ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST) 399DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST, 400 ATTR_COLD, ATTR_NULL, 401 ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST) 402 403/* Construct a tree for a format_arg attribute. */ 404#define DEF_FORMAT_ARG_ATTRIBUTE(FA) \ 405 DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG, \ 406 ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA) 407DEF_FORMAT_ARG_ATTRIBUTE(1) 408DEF_FORMAT_ARG_ATTRIBUTE(2) 409#undef DEF_FORMAT_ARG_ATTRIBUTE 410 411