gcc/builtin-attrs.def

   1 /* Copyright (C) 2001-2017 Free Software Foundation, Inc.
   2    Contributed by Joseph Myers <jsm28@cam.ac.uk>.
   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 /* This header provides a declarative way of describing the attributes
  21    that are applied to some functions by default.
  22
  23    Before including this header, you must define the following macros.
  24    In each case where there is an ENUM, it is an identifier used to
  25    reference the tree in subsequent definitions.
  26
  27    DEF_ATTR_NULL_TREE (ENUM)
  28
  29      Constructs a NULL_TREE.
  30
  31    DEF_ATTR_INT (ENUM, VALUE)
  32
  33      Constructs an INTEGER_CST with value VALUE (an integer representable
  34      in HOST_WIDE_INT).
  35
  36    DEF_ATTR_IDENT (ENUM, STRING)
  37
  38      Constructs an IDENTIFIER_NODE for STRING.
  39
  40    DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN)
  41
  42      Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given
  43      as previous ENUM names).  */
  44
  45 DEF_ATTR_NULL_TREE (ATTR_NULL)
  46
  47 /* Construct a tree for a given integer and a list containing it.  */
  48 #define DEF_ATTR_FOR_INT(VALUE)                                 \
  49   DEF_ATTR_INT (ATTR_##VALUE, VALUE)                    \
  50   DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE, ATTR_NULL,     \
  51                       ATTR_##VALUE, ATTR_NULL)
  52 DEF_ATTR_FOR_INT (0)
  53 DEF_ATTR_FOR_INT (1)
  54 DEF_ATTR_FOR_INT (2)
  55 DEF_ATTR_FOR_INT (3)
  56 DEF_ATTR_FOR_INT (4)
  57 DEF_ATTR_FOR_INT (5)
  58 DEF_ATTR_FOR_INT (6)
  59 #undef DEF_ATTR_FOR_INT
  60
  61 /* Construct a tree for a given string and a list containing it.  */
  62 #define DEF_ATTR_FOR_STRING(ENUM, VALUE)                                        \
  63   DEF_ATTR_STRING (ATTR_##ENUM, VALUE)                  \
  64   DEF_ATTR_TREE_LIST (ATTR_LIST_##ENUM, ATTR_NULL,      \
  65                       ATTR_##ENUM, ATTR_NULL)
  66 DEF_ATTR_FOR_STRING (STR1, "1")
  67 #undef DEF_ATTR_FOR_STRING
  68
  69 /* Construct a tree for a list of two integers.  */
  70 #define DEF_LIST_INT_INT(VALUE1, VALUE2)                                 \
  71   DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL,          \
  72                       ATTR_##VALUE1, ATTR_LIST_##VALUE2)
  73 DEF_LIST_INT_INT (1,0)
  74 DEF_LIST_INT_INT (1,2)
  75 DEF_LIST_INT_INT (1,3)
  76 DEF_LIST_INT_INT (1,4)
  77 DEF_LIST_INT_INT (1,5)
  78 DEF_LIST_INT_INT (2,0)
  79 DEF_LIST_INT_INT (2,3)
  80 DEF_LIST_INT_INT (3,0)
  81 DEF_LIST_INT_INT (3,4)
  82 DEF_LIST_INT_INT (4,0)
  83 DEF_LIST_INT_INT (4,5)
  84 DEF_LIST_INT_INT (5,0)
  85 DEF_LIST_INT_INT (5,6)
  86 #undef DEF_LIST_INT_INT
  87
  88 /* Construct trees for identifiers.  */
  89 DEF_ATTR_IDENT (ATTR_ALLOC_SIZE, "alloc_size")
  90 DEF_ATTR_IDENT (ATTR_COLD, "cold")
  91 DEF_ATTR_IDENT (ATTR_CONST, "const")
  92 DEF_ATTR_IDENT (ATTR_FORMAT, "format")
  93 DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg")
  94 DEF_ATTR_IDENT (ATTR_MALLOC, "malloc")
  95 DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull")
  96 DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn")
  97 DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow")
  98 DEF_ATTR_IDENT (ATTR_LEAF, "leaf")
  99 DEF_ATTR_IDENT (ATTR_FNSPEC, "fn spec")
 100 DEF_ATTR_IDENT (ATTR_PRINTF, "printf")
 101 DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf")
 102 DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag")
 103 DEF_ATTR_IDENT (ATTR_GCC_CDIAG, "gcc_cdiag")
 104 DEF_ATTR_IDENT (ATTR_GCC_CXXDIAG, "gcc_cxxdiag")
 105 DEF_ATTR_IDENT (ATTR_PURE, "pure")
 106 DEF_ATTR_IDENT (ATTR_NOVOPS, "no vops")
 107 DEF_ATTR_IDENT (ATTR_SCANF, "scanf")
 108 DEF_ATTR_IDENT (ATTR_SENTINEL, "sentinel")
 109 DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon")
 110 DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime")
 111 DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic")
 112 DEF_ATTR_IDENT (ATTR_TM_REGPARM, "*tm regparm")
 113 DEF_ATTR_IDENT (ATTR_TM_TMPURE, "transaction_pure")
 114 DEF_ATTR_IDENT (ATTR_RETURNS_TWICE, "returns_twice")
 115 DEF_ATTR_IDENT (ATTR_RETURNS_NONNULL, "returns_nonnull")
 116
 117 DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL)
 118
 119 DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOVOPS_LIST)
 120
 121 DEF_ATTR_TREE_LIST (ATTR_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NULL)
 122
 123 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL)
 124
 125 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_LIST)
 126
 127 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST,        \
 128                         ATTR_NULL, ATTR_NOTHROW_LIST)
 129 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_CONST,   \
 130                         ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 131 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE,          \
 132                         ATTR_NULL, ATTR_NOTHROW_LIST)
 133 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LEAF_LIST, ATTR_PURE,     \
 134                         ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 135 DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN,  \
 136                         ATTR_NULL, ATTR_NOTHROW_LIST)
 137 DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_LIST, ATTR_NORETURN,\
 138                         ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 139 DEF_ATTR_TREE_LIST (ATTR_RT_NOTHROW_LEAF_LIST, ATTR_RETURNS_TWICE,\
 140                         ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 141 DEF_ATTR_TREE_LIST (ATTR_COLD_NOTHROW_LEAF_LIST, ATTR_COLD,\
 142                         ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 143 DEF_ATTR_TREE_LIST (ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST, ATTR_COLD,\
 144                         ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
 145 DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\
 146                         ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
 147 DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC,      \
 148                         ATTR_NULL, ATTR_NOTHROW_LIST)
 149 DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_MALLOC, \
 150                         ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 151 DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL,  \
 152                         ATTR_NULL, ATTR_NOTHROW_LIST)
 153 DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LEAF_LIST, ATTR_SENTINEL,     \
 154                         ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 155 DEF_ATTR_TREE_LIST (ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\
 156                         ATTR_NULL, ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST)
 157
 158 /* Allocation functions like malloc and realloc whose first argument
 159    specifies the size of the allocated object.  */
 160 DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_NOTHROW_LIST, ATTR_ALLOC_SIZE,   \
 161                         ATTR_LIST_1, ATTR_MALLOC_NOTHROW_LIST)
 162 DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \
 163                         ATTR_LIST_1, ATTR_MALLOC_NOTHROW_LEAF_LIST)
 164 /* Alloca is just like malloc except that it never returns null.  */
 165 DEF_ATTR_TREE_LIST (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST, ATTR_RETURNS_NONNULL,
 166                     ATTR_NULL, ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST)
 167
 168 /* Allocation functions like calloc the product of whose first two arguments
 169    specifies the size of the allocated object.  */
 170 DEF_ATTR_TREE_LIST (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \
 171                         ATTR_LIST_1_2, ATTR_MALLOC_NOTHROW_LEAF_LIST)
 172
 173 /* Allocation functions like realloc whose second argument specifies
 174    the size of the allocated object.  */
 175 DEF_ATTR_TREE_LIST (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST, ATTR_ALLOC_SIZE, \
 176                         ATTR_LIST_2, ATTR_NOTHROW_LEAF_LIST)
 177
 178 /* Functions whose pointer parameter(s) are all nonnull.  */
 179 DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL)
 180 /* Functions whose first parameter is a nonnull pointer.  */
 181 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL)
 182 /* Functions whose second parameter is a nonnull pointer.  */
 183 DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL)
 184 /* Functions whose third parameter is a nonnull pointer.  */
 185 DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL)
 186 /* Nothrow functions with the sentinel(1) attribute. */
 187 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \
 188                         ATTR_NOTHROW_LIST)
 189 /* Nothrow functions whose pointer parameter(s) are all nonnull.  */
 190 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \
 191                         ATTR_NOTHROW_LIST)
 192 /* Nothrow leaf functions whose pointer parameter(s) are all nonnull.  */
 193 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF, ATTR_NONNULL, ATTR_NULL, \
 194                         ATTR_NOTHROW_LEAF_LIST)
 195 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_NONNULL_LEAF)
 196 /* Nothrow functions whose first parameter is a nonnull pointer.  */
 197 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \
 198                         ATTR_NOTHROW_LIST)
 199 /* Nothrow functions whose second parameter is a nonnull pointer.  */
 200 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \
 201                         ATTR_NOTHROW_LIST)
 202 /* Nothrow functions whose third parameter is a nonnull pointer.  */
 203 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \
 204                         ATTR_NOTHROW_LIST)
 205 /* Nothrow functions whose fourth parameter is a nonnull pointer.  */
 206 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \
 207                         ATTR_NOTHROW_LIST)
 208 /* Nothrow functions whose fifth parameter is a nonnull pointer.  */
 209 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \
 210                         ATTR_NOTHROW_LIST)
 211
 212 /* Same as ATTR_NONNULL_1.  */
 213 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL)
 214 /* Functions like {v,}fprintf whose first and second parameters are
 215    nonnull pointers.  As cancellation points the functions are not
 216    nothrow.  */
 217 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_1_2, ATTR_NULL)
 218 /* The following don't have {v,}fprintf forms.  They exist only to
 219    make it possible to declare {v,}{f,s}printf attributes using
 220    the same macro.  */
 221 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_3, ATTR_NONNULL, ATTR_LIST_1_3, ATTR_NULL)
 222 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_1_4, ATTR_NULL)
 223 DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_5, ATTR_NONNULL, ATTR_LIST_1_5, ATTR_NULL)
 224
 225 /* Same as ATTR_NOTHROW_NONNULL_1.  */
 226 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_1, ATTR_NONNULL, ATTR_LIST_1,
 227                     ATTR_NOTHROW_LIST)
 228 /* Nothrow functions like {v,}sprintf whose first and second parameters
 229    are nonnull pointers.  */
 230 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_1_2, \
 231                     ATTR_NOTHROW_LIST)
 232 /* Nothrow functions like {v,}snprintf whose first and third parameters
 233    are nonnull pointers.  */
 234 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_3, ATTR_NONNULL, ATTR_LIST_1_3, \
 235                     ATTR_NOTHROW_LIST)
 236 /* Nothrow functions like {v,}sprintf_chk whose first and fourth parameters
 237    are nonnull pointers.  */
 238 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_1_4, \
 239                     ATTR_NOTHROW_LIST)
 240 /* Nothrow functions like {v,}snprintf_chk whose first and fifth parameters
 241    are nonnull pointers.  */
 242 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_5, ATTR_NONNULL, ATTR_LIST_1_5, \
 243                     ATTR_NOTHROW_LIST)
 244
 245 /* Nothrow leaf functions which are type-generic.  */
 246 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \
 247                         ATTR_NOTHROW_LEAF_LIST)
 248 /* Nothrow nonnull leaf functions that are type-generic.  */
 249 DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF,
 250                     ATTR_TYPEGENERIC, ATTR_NULL,
 251                     ATTR_NOTHROW_NONNULL_LEAF)
 252 /* Nothrow const functions whose pointer parameter(s) are all nonnull.  */
 253 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \
 254                         ATTR_NOTHROW_NONNULL)
 255 /* Nothrow leaf functions whose pointer parameter(s) are all nonnull,
 256    and which return their first argument.  */
 257 DEF_ATTR_TREE_LIST (ATTR_RET1_NOTHROW_NONNULL_LEAF, ATTR_FNSPEC, ATTR_LIST_STR1, \
 258                         ATTR_NOTHROW_NONNULL_LEAF)
 259 /* Nothrow leaf functions whose pointer parameter(s) are all nonnull,
 260    and return value is also nonnull.  */
 261 DEF_ATTR_TREE_LIST (ATTR_RETNONNULL_NOTHROW_LEAF, ATTR_RETURNS_NONNULL, ATTR_NULL, \
 262                         ATTR_NOTHROW_NONNULL_LEAF)
 263 /* Nothrow const leaf functions whose pointer parameter(s) are all nonnull.  */
 264 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL_LEAF, ATTR_CONST, ATTR_NULL, \
 265                         ATTR_NOTHROW_NONNULL_LEAF)
 266 /* Nothrow const functions which are type-generic.  */
 267 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \
 268                         ATTR_CONST_NOTHROW_LIST)
 269 /* Nothrow const leaf functions which are type-generic.  */
 270 DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \
 271                         ATTR_CONST_NOTHROW_LEAF_LIST)
 272 /* Nothrow pure functions whose pointer parameter(s) are all nonnull.  */
 273 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \
 274                         ATTR_NOTHROW_NONNULL)
 275 /* Nothrow pure leaf functions whose pointer parameter(s) are all nonnull.  */
 276 DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_LEAF, ATTR_PURE, ATTR_NULL, \
 277                         ATTR_NOTHROW_NONNULL_LEAF)
 278 /* Nothrow malloc functions whose pointer parameter(s) are all nonnull.  */
 279 DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \
 280                         ATTR_NOTHROW_NONNULL)
 281 /* Nothrow malloc leaf functions whose pointer parameter(s) are all nonnull.  */
 282 DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL_LEAF, ATTR_MALLOC, ATTR_NULL, \
 283                         ATTR_NOTHROW_NONNULL_LEAF)
 284
 285 /* Construct a tree for the format attribute (and implicitly nonnull).  */
 286 #define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES)                           \
 287   DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                 \
 288                       ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
 289   DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT,        \
 290                       ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)
 291
 292 /* Construct a tree for the format and nothrow attributes (format
 293    implies nonnull).  */
 294 #define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES)                   \
 295   DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                 \
 296                       ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
 297   DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
 298                       ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
 299
 300 /* Construct one tree for the format attribute and another for the format
 301    and nothrow attributes (in both cases format implies nonnull).  */
 302 #define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES)                      \
 303   DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL,                 \
 304                       ATTR_##TYPE, ATTR_LIST_##VALUES)                   \
 305   DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT,        \
 306                       ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)         \
 307   DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
 308                       ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
 309
 310 /* Construct a pair of trees for the nonnull attribute for the first
 311    argument, plus format printf attribute (format implies nonnull):
 312    the first ordinary and the second nothrow.  */
 313 #define DEF_FORMAT_ATTRIBUTE_NONNULL(TYPE, FA, VALUES)                   \
 314   DEF_ATTR_TREE_LIST (ATTR_NONNULL_1_FORMAT_##TYPE##_##VALUES,           \
 315                       ATTR_FORMAT, ATTR_##TYPE##_##VALUES,               \
 316                       ATTR_NONNULL_1_##FA)                               \
 317   DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_FORMAT_##TYPE##_##VALUES,   \
 318                       ATTR_FORMAT, ATTR_##TYPE##_##VALUES,               \
 319                       ATTR_NOTHROW_NONNULL_1_##FA)
 320
 321 DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0)
 322 DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2)
 323 DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0)
 324 DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3)
 325 DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0)
 326 DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4)
 327 DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0)
 328 DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5)
 329 DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0)
 330 DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6)
 331
 332 /* Attributes for fprintf(f, f, va).  */
 333 DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,1,1_2)
 334 /* Attributes for v{f,s}printf(d, f, va).  vsprintf is nothrow, vfprintf
 335    is not.  */
 336 DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,2,2_0)
 337 /* Attributes for {f,s}printf(d, f, ...).  sprintf is nothrow, fprintf
 338    is not.  */
 339 DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,2,2_3)
 340 /* Attributes for vprintf_chk.  */
 341 DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,3,3_0)
 342 /* Attributes for printf_chk.  */
 343 DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,3,3_4)
 344 /* Attributes for v{f,s}printf_chk(d, t, bos, f, va).  vsprintf_chk is
 345    nothrow, vfprintf_chk is not.  */
 346 DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,4,4_0)
 347 /* Attributes for {f,s}printf_chk(d, t, bos, f, ...).  sprintf_chk is
 348    nothrow, fprintf_chk is not.  */
 349 DEF_FORMAT_ATTRIBUTE_NONNULL(PRINTF,4,4_5)
 350
 351 DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0)
 352 DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2)
 353 DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0)
 354 DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3)
 355 DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0)
 356 DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4)
 357 #undef DEF_FORMAT_ATTRIBUTE
 358 #undef DEF_FORMAT_ATTRIBUTE_NOTHROW
 359 #undef DEF_FORMAT_ATTRIBUTE_BOTH
 360
 361 /* Transactional memory variants of the above.  */
 362
 363 DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_LIST,
 364                     ATTR_TM_REGPARM, ATTR_NULL, ATTR_NOTHROW_LIST)
 365 DEF_ATTR_TREE_LIST (ATTR_TM_TMPURE_NOTHROW_LIST,
 366                     ATTR_TM_TMPURE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
 367 DEF_ATTR_TREE_LIST (ATTR_TM_PURE_TMPURE_NOTHROW_LIST,
 368                     ATTR_PURE, ATTR_NULL, ATTR_TM_TMPURE_NOTHROW_LIST)
 369 DEF_ATTR_TREE_LIST (ATTR_TM_NORETURN_NOTHROW_LIST,
 370                     ATTR_TM_REGPARM, ATTR_NULL, ATTR_NORETURN_NOTHROW_LIST)
 371 DEF_ATTR_TREE_LIST (ATTR_TM_CONST_NOTHROW_LIST,
 372                     ATTR_TM_REGPARM, ATTR_NULL, ATTR_CONST_NOTHROW_LIST)
 373 DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_RT_LIST,
 374                     ATTR_RETURNS_TWICE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
 375
 376 /* Same attributes used for BUILT_IN_MALLOC except with TM_PURE thrown in.  */
 377 DEF_ATTR_TREE_LIST (ATTR_TMPURE_MALLOC_NOTHROW_LIST,
 378                    ATTR_TM_TMPURE, ATTR_NULL, ATTR_MALLOC_NOTHROW_LIST)
 379 /* Same attributes used for BUILT_IN_FREE except with TM_PURE thrown in.  */
 380 DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LIST,
 381                    ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LIST)
 382
 383 DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LEAF_LIST,
 384                     ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
 385 DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST,
 386                     ATTR_TM_TMPURE, ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
 387
 388 /* Construct a tree for a format_arg attribute.  */
 389 #define DEF_FORMAT_ARG_ATTRIBUTE(FA)                                    \
 390   DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG,            \
 391                       ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA)
 392 DEF_FORMAT_ARG_ATTRIBUTE(1)
 393 DEF_FORMAT_ARG_ATTRIBUTE(2)
 394 #undef DEF_FORMAT_ARG_ATTRIBUTE
 395