blob: 8379a69659154312fb1ffe31704caabc2522d34f [file] [log] [blame]
/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/Platform.h>
#if !CPU(UNKNOWN)
/* asm directive helpers */
#if OS(DARWIN) || (OS(WINDOWS) && CPU(X86))
#define SYMBOL_STRING(name) "_" #name
#else
#define SYMBOL_STRING(name) #name
#endif
#if OS(IOS_FAMILY)
#define THUMB_FUNC_PARAM(name) SYMBOL_STRING(name)
#else
#define THUMB_FUNC_PARAM(name)
#endif
#if (OS(LINUX) || OS(FREEBSD)) && CPU(X86_64)
#define GLOBAL_REFERENCE(name) #name "@plt"
#elif CPU(X86) && COMPILER(MINGW)
#define GLOBAL_REFERENCE(name) "@" #name "@4"
#elif OS(LINUX) && CPU(X86) && defined(__PIC__)
#define GLOBAL_REFERENCE(name) SYMBOL_STRING(name) "@plt"
#else
#define GLOBAL_REFERENCE(name) SYMBOL_STRING(name)
#endif
#if HAVE(INTERNAL_VISIBILITY)
#define LOCAL_REFERENCE(name) SYMBOL_STRING(name)
#else
#define LOCAL_REFERENCE(name) GLOBAL_REFERENCE(name)
#endif
#if OS(DARWIN)
// Mach-O platform
#define HIDE_SYMBOL(name) ".private_extern _" #name
#elif OS(AIX)
// IBM's own file format
#define HIDE_SYMBOL(name) ".lglobl " #name
#elif OS(LINUX) \
|| OS(FREEBSD) \
|| OS(FUCHSIA) \
|| OS(OPENBSD) \
|| OS(HPUX) \
|| OS(NETBSD)
// ELF platform
#define HIDE_SYMBOL(name) ".hidden " #name
#else
#define HIDE_SYMBOL(name)
#endif
// FIXME: figure out how this works on all the platforms. I know that
// on ELF, the preferred form is ".Lstuff" as opposed to "Lstuff".
// Don't know about any of the others.
#if OS(DARWIN)
#define LOCAL_LABEL_STRING(name) "L" #name
#elif OS(LINUX) \
|| OS(FREEBSD) \
|| OS(FUCHSIA) \
|| OS(OPENBSD) \
|| OS(HURD) \
|| OS(NETBSD) \
|| COMPILER(MINGW)
// GNU as-compatible syntax.
#define LOCAL_LABEL_STRING(name) ".L" #name
#endif
#if CPU(ARM_THUMB2)
#define INLINE_ARM_FUNCTION(name) ".thumb" "\n" ".thumb_func " THUMB_FUNC_PARAM(name) "\n"
#else
#define INLINE_ARM_FUNCTION(name)
#endif
#endif // !CPU(UNKNOWN)