104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/*
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* Copyright (C) 2011 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/Platform.h>
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#if !CPU(UNKNOWN)
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/* asm directive helpers */
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#if OS(DARWIN) || (OS(WINDOWS) && CPU(X86))
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#define SYMBOL_STRING(name) "_" #name
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#else
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#define SYMBOL_STRING(name) #name
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#endif
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#if OS(IOS_FAMILY)
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#define THUMB_FUNC_PARAM(name) SYMBOL_STRING(name)
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#else
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#define THUMB_FUNC_PARAM(name)
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#endif
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#if (OS(LINUX) || OS(FREEBSD) || OS(HAIKU)) && CPU(X86_64)
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#define GLOBAL_REFERENCE(name) #name "@plt"
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#elif CPU(X86) && COMPILER(MINGW)
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#define GLOBAL_REFERENCE(name) "@" #name "@4"
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#elif OS(LINUX) && CPU(X86) && defined(__PIC__)
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#define GLOBAL_REFERENCE(name) SYMBOL_STRING(name) "@plt"
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#else
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#define GLOBAL_REFERENCE(name) SYMBOL_STRING(name)
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#endif
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#if HAVE(INTERNAL_VISIBILITY)
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#define LOCAL_REFERENCE(name) SYMBOL_STRING(name)
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#else
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#define LOCAL_REFERENCE(name) GLOBAL_REFERENCE(name)
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#endif
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#if OS(DARWIN)
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// Mach-O platform
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#define HIDE_SYMBOL(name) ".private_extern _" #name
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#elif OS(AIX)
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// IBM's own file format
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#define HIDE_SYMBOL(name) ".lglobl " #name
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#elif OS(LINUX) \
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|| OS(FREEBSD) \
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|| OS(FUCHSIA) \
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|| OS(OPENBSD) \
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|| OS(HPUX) \
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|| OS(NETBSD)
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// ELF platform
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#define HIDE_SYMBOL(name) ".hidden " #name
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#else
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#define HIDE_SYMBOL(name)
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#endif
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// FIXME: figure out how this works on all the platforms. I know that
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// on ELF, the preferred form is ".Lstuff" as opposed to "Lstuff".
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// Don't know about any of the others.
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#if OS(DARWIN)
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#define LOCAL_LABEL_STRING(name) "L" #name
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#elif OS(LINUX) \
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|| OS(FREEBSD) \
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|| OS(FUCHSIA) \
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|| OS(OPENBSD) \
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|| OS(HURD) \
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|| OS(HAIKU) \
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|| OS(NETBSD) \
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|| COMPILER(MINGW)
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// GNU as-compatible syntax.
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#define LOCAL_LABEL_STRING(name) ".L" #name
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#endif
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#if CPU(ARM_THUMB2)
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#define INLINE_ARM_FUNCTION(name) ".thumb" "\n" ".thumb_func " THUMB_FUNC_PARAM(name) "\n"
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#else
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#define INLINE_ARM_FUNCTION(name)
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#endif
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#endif // !CPU(UNKNOWN)
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