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jeremybenn |
/* Copyright (C) 2001, 2002, 2004, 2005, 2007, 2010
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Free Software Foundation, Inc.
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Contributed by Joseph Myers .
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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. */
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/* This header provides a declarative way of describing the attributes
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that are applied to some functions by default.
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Before including this header, you must define the following macros.
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In each case where there is an ENUM, it is an identifier used to
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reference the tree in subsequent definitions.
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DEF_ATTR_NULL_TREE (ENUM)
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Constructs a NULL_TREE.
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DEF_ATTR_INT (ENUM, VALUE)
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Constructs an INTEGER_CST with value VALUE (an integer representable
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in HOST_WIDE_INT).
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DEF_ATTR_IDENT (ENUM, STRING)
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Constructs an IDENTIFIER_NODE for STRING.
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DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN)
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Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given
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as previous ENUM names). */
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DEF_ATTR_NULL_TREE (ATTR_NULL)
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/* Construct a tree for a given integer and a list containing it. */
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#define DEF_ATTR_FOR_INT(VALUE) \
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DEF_ATTR_INT (ATTR_##VALUE, VALUE) \
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DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE, ATTR_NULL, \
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ATTR_##VALUE, ATTR_NULL)
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DEF_ATTR_FOR_INT (0)
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DEF_ATTR_FOR_INT (1)
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DEF_ATTR_FOR_INT (2)
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DEF_ATTR_FOR_INT (3)
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DEF_ATTR_FOR_INT (4)
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DEF_ATTR_FOR_INT (5)
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DEF_ATTR_FOR_INT (6)
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#undef DEF_ATTR_FOR_INT
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/* Construct a tree for a list of two integers. */
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#define DEF_LIST_INT_INT(VALUE1, VALUE2) \
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DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL, \
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ATTR_##VALUE1, ATTR_LIST_##VALUE2)
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DEF_LIST_INT_INT (1,0)
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DEF_LIST_INT_INT (1,2)
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DEF_LIST_INT_INT (2,0)
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DEF_LIST_INT_INT (2,3)
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DEF_LIST_INT_INT (3,0)
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DEF_LIST_INT_INT (3,4)
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DEF_LIST_INT_INT (4,0)
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DEF_LIST_INT_INT (4,5)
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DEF_LIST_INT_INT (5,0)
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DEF_LIST_INT_INT (5,6)
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#undef DEF_LIST_INT_INT
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/* Construct trees for identifiers. */
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DEF_ATTR_IDENT (ATTR_CONST, "const")
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DEF_ATTR_IDENT (ATTR_FORMAT, "format")
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DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg")
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DEF_ATTR_IDENT (ATTR_MALLOC, "malloc")
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DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull")
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DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn")
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DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow")
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DEF_ATTR_IDENT (ATTR_LEAF, "leaf")
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DEF_ATTR_IDENT (ATTR_PRINTF, "printf")
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DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf")
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DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag")
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DEF_ATTR_IDENT (ATTR_GCC_CDIAG, "gcc_cdiag")
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DEF_ATTR_IDENT (ATTR_GCC_CXXDIAG, "gcc_cxxdiag")
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DEF_ATTR_IDENT (ATTR_PURE, "pure")
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DEF_ATTR_IDENT (ATTR_NOVOPS, "no vops")
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DEF_ATTR_IDENT (ATTR_SCANF, "scanf")
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DEF_ATTR_IDENT (ATTR_SENTINEL, "sentinel")
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DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon")
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DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime")
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DEF_ATTR_IDENT (ATTR_TYPEGENERIC, "type generic")
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DEF_ATTR_IDENT (ATTR_TM_REGPARM, "*tm regparm")
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DEF_ATTR_IDENT (ATTR_TM_TMPURE, "transaction_pure")
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DEF_ATTR_IDENT (ATTR_RETURNS_TWICE, "returns_twice")
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DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LIST, ATTR_NOVOPS, ATTR_NULL, ATTR_NULL)
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DEF_ATTR_TREE_LIST (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOVOPS_LIST)
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DEF_ATTR_TREE_LIST (ATTR_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NULL)
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL)
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LEAF_LIST, ATTR_LEAF, ATTR_NULL, ATTR_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST, \
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ATTR_NULL, ATTR_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_CONST, \
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ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
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DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE, \
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ATTR_NULL, ATTR_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LEAF_LIST, ATTR_PURE, \
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ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
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DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NOVOPS_LIST, ATTR_NOVOPS, \
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ATTR_NULL, ATTR_PURE_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NOVOPS_LEAF_LIST, ATTR_NOVOPS,\
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ATTR_NULL, ATTR_PURE_NOTHROW_LEAF_LIST)
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DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \
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ATTR_NULL, ATTR_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LEAF_LIST, ATTR_NORETURN,\
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ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
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DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC, \
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ATTR_NULL, ATTR_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_MALLOC, \
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ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
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DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LIST, ATTR_SENTINEL, \
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ATTR_NULL, ATTR_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_SENTINEL_NOTHROW_LEAF_LIST, ATTR_SENTINEL, \
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ATTR_NULL, ATTR_NOTHROW_LEAF_LIST)
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/* Functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_NONNULL_LIST, ATTR_NONNULL, ATTR_NULL, ATTR_NULL)
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/* Functions whose first parameter is a nonnull pointer. */
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DEF_ATTR_TREE_LIST (ATTR_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, ATTR_NULL)
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/* Functions whose second parameter is a nonnull pointer. */
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DEF_ATTR_TREE_LIST (ATTR_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, ATTR_NULL)
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/* Functions whose third parameter is a nonnull pointer. */
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DEF_ATTR_TREE_LIST (ATTR_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, ATTR_NULL)
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/* Nothrow functions with the sentinel(1) attribute. */
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_SENTINEL_1, ATTR_SENTINEL, ATTR_LIST_1, \
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ATTR_NOTHROW_LIST)
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/* Nothrow functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL, ATTR_NONNULL, ATTR_NULL, \
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ATTR_NOTHROW_LIST)
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/* Nothrow leaf functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_LEAF, ATTR_NONNULL, ATTR_NULL, \
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ATTR_NOTHROW_LEAF_LIST)
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/* Nothrow functions whose first parameter is a nonnull pointer. */
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \
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ATTR_NOTHROW_LIST)
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/* Nothrow functions whose second parameter is a nonnull pointer. */
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \
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ATTR_NOTHROW_LIST)
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/* Nothrow functions whose third parameter is a nonnull pointer. */
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \
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ATTR_NOTHROW_LIST)
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/* Nothrow functions whose fourth parameter is a nonnull pointer. */
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_4, ATTR_NONNULL, ATTR_LIST_4, \
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ATTR_NOTHROW_LIST)
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/* Nothrow functions whose fifth parameter is a nonnull pointer. */
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DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_5, ATTR_NONNULL, ATTR_LIST_5, \
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ATTR_NOTHROW_LIST)
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/* Nothrow const functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL, ATTR_CONST, ATTR_NULL, \
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ATTR_NOTHROW_NONNULL)
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/* Nothrow const leaf functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL_LEAF, ATTR_CONST, ATTR_NULL, \
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ATTR_NOTHROW_NONNULL_LEAF)
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/* Nothrow const functions which are type-generic. */
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DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC, ATTR_TYPEGENERIC, ATTR_NULL, \
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ATTR_CONST_NOTHROW_LIST)
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/* Nothrow const leaf functions which are type-generic. */
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DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_TYPEGENERIC, ATTR_NULL, \
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ATTR_CONST_NOTHROW_LEAF_LIST)
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/* Nothrow pure functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL, ATTR_PURE, ATTR_NULL, \
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ATTR_NOTHROW_NONNULL)
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/* Nothrow pure leaf functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_LEAF, ATTR_PURE, ATTR_NULL, \
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ATTR_NOTHROW_NONNULL_LEAF)
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/* Nothrow malloc functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL, ATTR_MALLOC, ATTR_NULL, \
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ATTR_NOTHROW_NONNULL)
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/* Nothrow malloc leaf functions whose pointer parameter(s) are all nonnull. */
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DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL_LEAF, ATTR_MALLOC, ATTR_NULL, \
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ATTR_NOTHROW_NONNULL_LEAF)
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/* Construct a tree for a format attribute. */
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#define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES) \
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DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \
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ATTR_##TYPE, ATTR_LIST_##VALUES) \
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DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \
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ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA)
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#define DEF_FORMAT_ATTRIBUTE_NOTHROW(TYPE, FA, VALUES) \
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DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \
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ATTR_##TYPE, ATTR_LIST_##VALUES) \
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DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
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ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
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#define DEF_FORMAT_ATTRIBUTE_BOTH(TYPE, FA, VALUES) \
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DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \
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ATTR_##TYPE, ATTR_LIST_##VALUES) \
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DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \
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ATTR_##TYPE##_##VALUES, ATTR_NONNULL_##FA) \
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DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_NOTHROW_##VALUES, ATTR_FORMAT,\
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ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA)
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DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0)
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DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2)
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DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_0)
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DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,2,2_3)
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DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_0)
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DEF_FORMAT_ATTRIBUTE_BOTH(PRINTF,3,3_4)
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DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_0)
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DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,4,4_5)
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DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_0)
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DEF_FORMAT_ATTRIBUTE_NOTHROW(PRINTF,5,5_6)
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DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0)
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DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2)
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DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_0)
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DEF_FORMAT_ATTRIBUTE_BOTH(SCANF,2,2_3)
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DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFTIME,3,3_0)
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DEF_FORMAT_ATTRIBUTE_NOTHROW(STRFMON,3,3_4)
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#undef DEF_FORMAT_ATTRIBUTE
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#undef DEF_FORMAT_ATTRIBUTE_NOTHROW
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#undef DEF_FORMAT_ATTRIBUTE_BOTH
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/* Transactional memory variants of the above. */
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DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_LIST,
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ATTR_TM_REGPARM, ATTR_NULL, ATTR_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_TM_TMPURE_NOTHROW_LIST,
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ATTR_TM_TMPURE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_TM_PURE_TMPURE_NOTHROW_LIST,
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ATTR_PURE, ATTR_NULL, ATTR_TM_TMPURE_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_TM_NORETURN_NOTHROW_LIST,
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ATTR_TM_REGPARM, ATTR_NULL, ATTR_NORETURN_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_TM_CONST_NOTHROW_LIST,
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ATTR_TM_REGPARM, ATTR_NULL, ATTR_CONST_NOTHROW_LIST)
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DEF_ATTR_TREE_LIST (ATTR_TM_NOTHROW_RT_LIST,
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ATTR_RETURNS_TWICE, ATTR_NULL, ATTR_TM_NOTHROW_LIST)
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| 247 |
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| 248 |
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/* Same attributes used for BUILT_IN_MALLOC except with TM_PURE thrown in. */
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| 249 |
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DEF_ATTR_TREE_LIST (ATTR_TMPURE_MALLOC_NOTHROW_LIST,
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ATTR_TM_TMPURE, ATTR_NULL, ATTR_MALLOC_NOTHROW_LIST)
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| 251 |
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/* Same attributes used for BUILT_IN_FREE except with TM_PURE thrown in. */
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| 252 |
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DEF_ATTR_TREE_LIST (ATTR_TMPURE_NOTHROW_LIST,
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ATTR_TM_TMPURE, ATTR_NULL, ATTR_NOTHROW_LIST)
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| 255 |
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/* Construct a tree for a format_arg attribute. */
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#define DEF_FORMAT_ARG_ATTRIBUTE(FA) \
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| 257 |
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DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG, \
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| 258 |
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ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA)
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| 259 |
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DEF_FORMAT_ARG_ATTRIBUTE(1)
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| 260 |
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DEF_FORMAT_ARG_ATTRIBUTE(2)
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| 261 |
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#undef DEF_FORMAT_ARG_ATTRIBUTE
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| 262 |
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