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authorBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
committerBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/builtin-attrs.def
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/builtin-attrs.def')
-rw-r--r--gcc-4.9/gcc/builtin-attrs.def282
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+/* Copyright (C) 2001-2014 Free Software Foundation, Inc.
+ Contributed by Joseph Myers <jsm28@cam.ac.uk>.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+/* This header provides a declarative way of describing the attributes
+ that are applied to some functions by default.
+
+ Before including this header, you must define the following macros.
+ In each case where there is an ENUM, it is an identifier used to
+ reference the tree in subsequent definitions.
+
+ DEF_ATTR_NULL_TREE (ENUM)
+
+ Constructs a NULL_TREE.
+
+ DEF_ATTR_INT (ENUM, VALUE)
+
+ Constructs an INTEGER_CST with value VALUE (an integer representable
+ in HOST_WIDE_INT).
+
+ DEF_ATTR_IDENT (ENUM, STRING)
+
+ Constructs an IDENTIFIER_NODE for STRING.
+
+ DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN)
+
+ Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given
+ as previous ENUM names). */
+
+DEF_ATTR_NULL_TREE (ATTR_NULL)
+
+/* Construct a tree for a given integer and a list containing it. */
+#define DEF_ATTR_FOR_INT(VALUE) \
+ DEF_ATTR_INT (ATTR_##VALUE, VALUE) \
+ DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE, ATTR_NULL, \
+ ATTR_##VALUE, ATTR_NULL)
+DEF_ATTR_FOR_INT (0)
+DEF_ATTR_FOR_INT (1)
+DEF_ATTR_FOR_INT (2)
+DEF_ATTR_FOR_INT (3)
+DEF_ATTR_FOR_INT (4)
+DEF_ATTR_FOR_INT (5)
+DEF_ATTR_FOR_INT (6)
+#undef DEF_ATTR_FOR_INT
+
+/* Construct a tree for a given string and a list containing it. */
+#define DEF_ATTR_FOR_STRING(ENUM, VALUE) \
+ DEF_ATTR_STRING (ATTR_##ENUM, VALUE) \
+ DEF_ATTR_TREE_LIST (ATTR_LIST_##ENUM, ATTR_NULL, \
+ ATTR_##ENUM, ATTR_NULL)
+DEF_ATTR_FOR_STRING (STR1, "1")
+#undef DEF_ATTR_FOR_STRING
+
+/* Construct a tree for a list of two integers. */
+#define DEF_LIST_INT_INT(VALUE1, VALUE2) \
+ DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL, \
+ ATTR_##VALUE1, ATTR_LIST_##VALUE2)
+DEF_LIST_INT_INT (1,0)
+DEF_LIST_INT_INT (1,2)
+DEF_LIST_INT_INT (2,0)
+DEF_LIST_INT_INT (2,3)
+DEF_LIST_INT_INT (3,0)
+DEF_LIST_INT_INT (3,4)
+DEF_LIST_INT_INT (4,0)
+DEF_LIST_INT_INT (4,5)
+DEF_LIST_INT_INT (5,0)
+DEF_LIST_INT_INT (5,6)
+#undef DEF_LIST_INT_INT
+
+/* Construct trees for identifiers. */
+DEF_ATTR_IDENT (ATTR_COLD, "cold")
+DEF_ATTR_IDENT (ATTR_CONST, "const")
+DEF_ATTR_IDENT (ATTR_FORMAT, "format")
+DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg")
+DEF_ATTR_IDENT (ATTR_MALLOC, "malloc")
+DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull")
+DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn")
+DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow")
+DEF_ATTR_IDENT (ATTR_LEAF, "leaf")
+DEF_ATTR_IDENT (ATTR_FNSPEC, "fn spec")
+DEF_ATTR_IDENT (ATTR_PRINTF, "printf")
+DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf")
+DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag")
+DEF_ATTR_IDENT (ATTR_GCC_CDIAG, "gcc_cdiag")
+DEF_ATTR_IDENT (ATTR_GCC_CXXDIAG, "gcc_cxxdiag")
+DEF_ATTR_IDENT (ATTR_PURE, "pure")
+DEF_ATTR_IDENT (ATTR_NOVOPS, "no vops")
+DEF_ATTR_IDENT (ATTR_SCANF, "scanf")
+DEF_ATTR_IDENT (ATTR_SENTINEL, "sentinel")
+DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon")
+DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime")
+DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic")
+DEF_ATTR_IDENT (ATTR_TM_REGPARM, "*tm regparm")
+DEF_ATTR_IDENT (ATTR_TM_TMPURE, "transaction_pure")
+DEF_ATTR_IDENT (ATTR_RETURNS_TWICE, "returns_twice")
+
+DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL)
+
+DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOVOPS_LIST)
+
+DEF_ATTR_TREE_LIST (ATTR_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NULL)
+
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL)
+
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_LIST)
+
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST, \
+ ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_CONST, \
+ ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE, \
+ ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LEAF_LIST, ATTR_PURE, \
+ ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \
+ ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_LIST, ATTR_NORETURN,\
+ ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_COLD_NOTHROW_LEAF_LIST, ATTR_COLD,\
+ ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST, ATTR_COLD,\
+ ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST, ATTR_CONST,\
+ ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC, \
+ ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_MALLOC, \
+ ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL, \
+ ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LEAF_LIST, ATTR_SENTINEL, \
+ ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+
+/* Functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL)
+/* Functions whose first parameter is a nonnull pointer. */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL)
+/* Functions whose second parameter is a nonnull pointer. */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL)
+/* Functions whose third parameter is a nonnull pointer. */
+DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL)
+/* Nothrow functions with the sentinel(1) attribute. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \
+ ATTR_NOTHROW_LIST)
+/* Nothrow functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \
+ ATTR_NOTHROW_LIST)
+/* Nothrow leaf functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF, ATTR_NONNULL, ATTR_NULL, \
+ ATTR_NOTHROW_LEAF_LIST)
+/* Nothrow functions whose first parameter is a nonnull pointer. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \
+ ATTR_NOTHROW_LIST)
+/* Nothrow functions whose second parameter is a nonnull pointer. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \
+ ATTR_NOTHROW_LIST)
+/* Nothrow functions whose third parameter is a nonnull pointer. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \
+ ATTR_NOTHROW_LIST)
+/* Nothrow functions whose fourth parameter is a nonnull pointer. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \
+ ATTR_NOTHROW_LIST)
+/* Nothrow functions whose fifth parameter is a nonnull pointer. */
+DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \
+ ATTR_NOTHROW_LIST)
+/* Nothrow const functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \
+ ATTR_NOTHROW_NONNULL)
+/* Nothrow leaf functions whose pointer parameter(s) are all nonnull,
+ and which return their first argument. */
+DEF_ATTR_TREE_LIST (ATTR_RET1_NOTHROW_NONNULL_LEAF, ATTR_FNSPEC, ATTR_LIST_STR1, \
+ ATTR_NOTHROW_NONNULL_LEAF)
+/* Nothrow const leaf functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL_LEAF, ATTR_CONST, ATTR_NULL, \
+ ATTR_NOTHROW_NONNULL_LEAF)
+/* Nothrow const functions which are type-generic. */
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \
+ ATTR_CONST_NOTHROW_LIST)
+/* Nothrow const leaf functions which are type-generic. */
+DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \
+ ATTR_CONST_NOTHROW_LEAF_LIST)
+/* Nothrow pure functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \
+ ATTR_NOTHROW_NONNULL)
+/* Nothrow pure leaf functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_LEAF, ATTR_PURE, ATTR_NULL, \
+ ATTR_NOTHROW_NONNULL_LEAF)
+/* Nothrow malloc functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \
+ ATTR_NOTHROW_NONNULL)
+/* Nothrow malloc leaf functions whose pointer parameter(s) are all nonnull. */
+DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL_LEAF, ATTR_MALLOC, ATTR_NULL, \
+ ATTR_NOTHROW_NONNULL_LEAF)
+
+/* Construct a tree for a format attribute. */
+#define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES) \
+ DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \
+ ATTR_##TYPE, ATTR_LIST_##VALUES) \
+ DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \
+ ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)
+#define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES) \
+ DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \
+ ATTR_##TYPE, ATTR_LIST_##VALUES) \
+ DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
+ ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
+#define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES) \
+ DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \
+ ATTR_##TYPE, ATTR_LIST_##VALUES) \
+ DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \
+ ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA) \
+ DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
+ ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
+DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0)
+DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6)
+DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0)
+DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2)
+DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0)
+DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0)
+DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4)
+#undef DEF_FORMAT_ATTRIBUTE
+#undef DEF_FORMAT_ATTRIBUTE_NOTHROW
+#undef DEF_FORMAT_ATTRIBUTE_BOTH
+
+/* Transactional memory variants of the above. */
+
+DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_LIST,
+ ATTR_TM_REGPARM, ATTR_NULL, ATTR_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_TMPURE_NOTHROW_LIST,
+ ATTR_TM_TMPURE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_PURE_TMPURE_NOTHROW_LIST,
+ ATTR_PURE, ATTR_NULL, ATTR_TM_TMPURE_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_NORETURN_NOTHROW_LIST,
+ ATTR_TM_REGPARM, ATTR_NULL, ATTR_NORETURN_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_CONST_NOTHROW_LIST,
+ ATTR_TM_REGPARM, ATTR_NULL, ATTR_CONST_NOTHROW_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_RT_LIST,
+ ATTR_RETURNS_TWICE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
+
+/* Same attributes used for BUILT_IN_MALLOC except with TM_PURE thrown in. */
+DEF_ATTR_TREE_LIST (ATTR_TMPURE_MALLOC_NOTHROW_LIST,
+ ATTR_TM_TMPURE, ATTR_NULL, ATTR_MALLOC_NOTHROW_LIST)
+/* Same attributes used for BUILT_IN_FREE except with TM_PURE thrown in. */
+DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LIST,
+ ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LIST)
+
+DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LEAF_LIST,
+ ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
+DEF_ATTR_TREE_LIST (ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST,
+ ATTR_TM_TMPURE, ATTR_NULL, ATTR_NORETURN_NOTHROW_LEAF_LIST)
+
+/* Construct a tree for a format_arg attribute. */
+#define DEF_FORMAT_ARG_ATTRIBUTE(FA) \
+ DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG, \
+ ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA)
+DEF_FORMAT_ARG_ATTRIBUTE(1)
+DEF_FORMAT_ARG_ATTRIBUTE(2)
+#undef DEF_FORMAT_ARG_ATTRIBUTE
+