| /* |
| * 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. |
| */ |
| |
| #ifndef InlineASM_h |
| #define InlineASM_h |
| |
| #include <wtf/Platform.h> |
| |
| /* 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) |
| #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" |
| #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(OPENBSD) \ |
| || OS(SOLARIS) \ |
| || (OS(HPUX) && CPU(IA64)) \ |
| || 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(OPENBSD) \ |
| || OS(NETBSD) \ |
| || OS(QNX) |
| // GNU as-compatible syntax. |
| #define LOCAL_LABEL_STRING(name) ".L" #name |
| #endif |
| |
| #if (CPU(ARM_TRADITIONAL) && (defined(thumb2) || defined(__thumb2__) || defined(__thumb) || defined(__thumb__))) || 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 // InlineASM_h |