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