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Pull attribute macros from libunwind_i.h' to new header compiler.h'
Pull attribute macros from `libunwind_i.h' to new header `compiler.h', to allow the macros to also be used in the tests.
This commit is contained in:
Tommi Rantala
parent
80e852cb38
commit
dc680c0b52
3 changed files with 69 additions and 34 deletions
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@ -36,7 +36,7 @@ nodist_include_HEADERS = include/libunwind-common.h
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SUBDIRS = src tests doc
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noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h \
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include/libunwind_i.h include/mempool.h \
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include/compiler.h include/libunwind_i.h include/mempool.h \
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include/remote.h \
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include/tdep-arm/dwarf-config.h \
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include/tdep-arm/jmpbuf.h include/tdep-arm/libunwind_i.h \
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66
include/compiler.h
Normal file
66
include/compiler.h
Normal file
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@ -0,0 +1,66 @@
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2001-2005 Hewlett-Packard Co
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Copyright (C) 2007 David Mosberger-Tang
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Contributed by David Mosberger-Tang <dmosberger@gmail.com>
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This file is part of libunwind.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/* Compiler specific useful bits that are used in libunwind, and also in the
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* tests. */
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#ifndef COMPILER_H
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#define COMPILER_H
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#ifdef __GNUC__
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# define UNUSED __attribute__((unused))
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# define NORETURN __attribute__((noreturn))
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# define ALIAS(name) __attribute__((alias (#name)))
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# if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
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# define ALWAYS_INLINE inline __attribute__((always_inline))
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# define HIDDEN __attribute__((visibility ("hidden")))
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# define PROTECTED __attribute__((visibility ("protected")))
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# else
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# define ALWAYS_INLINE
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# define HIDDEN
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# define PROTECTED
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# endif
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# if (__GNUC__ >= 3)
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# define likely(x) __builtin_expect ((x), 1)
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# define unlikely(x) __builtin_expect ((x), 0)
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# else
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# define likely(x) (x)
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# define unlikely(x) (x)
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# endif
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#else
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# define ALWAYS_INLINE
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# define UNUSED
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# define NORETURN
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# define ALIAS(name)
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# define HIDDEN
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# define PROTECTED
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# define likely(x) (x)
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# define unlikely(x) (x)
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#endif
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#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
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#endif /* COMPILER_H */
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@ -35,6 +35,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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# include "config.h"
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#endif
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#include "compiler.h"
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#ifdef HAVE___THREAD
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/* For now, turn off per-thread caching. It uses up too much TLS
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memory per thread even when the thread never uses libunwind at
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@ -70,45 +72,12 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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# endif
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#endif
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#ifdef __GNUC__
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# define UNUSED __attribute__((unused))
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# define NORETURN __attribute__((noreturn))
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# define ALIAS(name) __attribute__((alias (#name)))
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# if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
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# define ALWAYS_INLINE inline __attribute__((always_inline))
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# define HIDDEN __attribute__((visibility ("hidden")))
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# define PROTECTED __attribute__((visibility ("protected")))
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# else
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# define ALWAYS_INLINE
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# define HIDDEN
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# define PROTECTED
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# endif
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# if (__GNUC__ >= 3)
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# define likely(x) __builtin_expect ((x), 1)
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# define unlikely(x) __builtin_expect ((x), 0)
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# else
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# define likely(x) (x)
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# define unlikely(x) (x)
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# endif
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#else
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# define ALWAYS_INLINE
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# define UNUSED
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# define NORETURN
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# define ALIAS(name)
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# define HIDDEN
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# define PROTECTED
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# define likely(x) (x)
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# define unlikely(x) (x)
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#endif
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#ifdef DEBUG
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# define UNW_DEBUG 1
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#else
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# define UNW_DEBUG 0
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#endif
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#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
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/* Make it easy to write thread-safe code which may or may not be
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linked against libpthread. The macros below can be used
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unconditionally and if -lpthread is around, they'll call the
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