1/* 2 * Copyright (C) 2011 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef InlineASM_h 27#define InlineASM_h 28 29/* asm directive helpers */ 30 31#if OS(DARWIN) || (OS(WINDOWS) && CPU(X86)) 32#define SYMBOL_STRING(name) "_" #name 33#else 34#define SYMBOL_STRING(name) #name 35#endif 36 37#if OS(IOS) 38#define THUMB_FUNC_PARAM(name) SYMBOL_STRING(name) 39#else 40#define THUMB_FUNC_PARAM(name) 41#endif 42 43#if (OS(LINUX) || OS(FREEBSD)) && CPU(X86_64) 44#define GLOBAL_REFERENCE(name) #name "@plt" 45#elif CPU(X86) && COMPILER(MINGW) 46#define GLOBAL_REFERENCE(name) "@" #name "@4" 47#else 48#define GLOBAL_REFERENCE(name) SYMBOL_STRING(name) 49#endif 50 51#if HAVE(INTERNAL_VISIBILITY) 52#define LOCAL_REFERENCE(name) SYMBOL_STRING(name) 53#else 54#define LOCAL_REFERENCE(name) GLOBAL_REFERENCE(name) 55#endif 56 57#if OS(DARWIN) 58 // Mach-O platform 59#define HIDE_SYMBOL(name) ".private_extern _" #name 60#elif OS(AIX) 61 // IBM's own file format 62#define HIDE_SYMBOL(name) ".lglobl " #name 63#elif OS(LINUX) \ 64 || OS(FREEBSD) \ 65 || OS(OPENBSD) \ 66 || OS(SOLARIS) \ 67 || (OS(HPUX) && CPU(IA64)) \ 68 || OS(NETBSD) 69 // ELF platform 70#define HIDE_SYMBOL(name) ".hidden " #name 71#else 72#define HIDE_SYMBOL(name) 73#endif 74 75// FIXME: figure out how this works on all the platforms. I know that 76// on ELF, the preferred form is ".Lstuff" as opposed to "Lstuff". 77// Don't know about any of the others. 78#if OS(DARWIN) 79#define LOCAL_LABEL_STRING(name) "L" #name 80#elif OS(LINUX) \ 81 || OS(FREEBSD) \ 82 || OS(OPENBSD) \ 83 || OS(NETBSD) 84 // GNU as-compatible syntax. 85#define LOCAL_LABEL_STRING(name) ".L" #name 86#endif 87 88#if (CPU(ARM_TRADITIONAL) && (defined(thumb2) || defined(__thumb2__) || defined(__thumb) || defined(__thumb__))) || CPU(ARM_THUMB2) 89#define INLINE_ARM_FUNCTION(name) ".thumb" "\n" ".thumb_func " THUMB_FUNC_PARAM(name) "\n" 90#else 91#define INLINE_ARM_FUNCTION(name) 92#endif 93 94#endif // InlineASM_h 95