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| 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 #include <wtf/Platform.h> | |
| 30 | |
| 31 /* asm directive helpers */ | |
| 32 | |
| 33 #if OS(DARWIN) || (OS(WINDOWS) && CPU(X86)) | |
| 34 #define SYMBOL_STRING(name) "_" #name | |
| 35 #else | |
| 36 #define SYMBOL_STRING(name) #name | |
| 37 #endif | |
| 38 | |
| 39 #if OS(IOS) | |
| 40 #define THUMB_FUNC_PARAM(name) SYMBOL_STRING(name) | |
| 41 #else | |
| 42 #define THUMB_FUNC_PARAM(name) | |
| 43 #endif | |
| 44 | |
| 45 #if (OS(LINUX) || OS(FREEBSD)) && CPU(X86_64) | |
| 46 #define GLOBAL_REFERENCE(name) #name "@plt" | |
| 47 #elif CPU(X86) && COMPILER(MINGW) | |
| 48 #define GLOBAL_REFERENCE(name) "@" #name "@4" | |
| 49 #else | |
| 50 #define GLOBAL_REFERENCE(name) SYMBOL_STRING(name) | |
| 51 #endif | |
| 52 | |
| 53 #if HAVE(INTERNAL_VISIBILITY) | |
| 54 #define LOCAL_REFERENCE(name) SYMBOL_STRING(name) | |
| 55 #else | |
| 56 #define LOCAL_REFERENCE(name) GLOBAL_REFERENCE(name) | |
| 57 #endif | |
| 58 | |
| 59 #if OS(DARWIN) | |
| 60 // Mach-O platform | |
| 61 #define HIDE_SYMBOL(name) ".private_extern _" #name | |
| 62 #elif OS(AIX) | |
| 63 // IBM's own file format | |
| 64 #define HIDE_SYMBOL(name) ".lglobl " #name | |
| 65 #elif OS(LINUX) \ | |
| 66 || OS(FREEBSD) \ | |
| 67 || OS(OPENBSD) \ | |
| 68 || OS(SOLARIS) \ | |
| 69 || (OS(HPUX) && CPU(IA64)) \ | |
| 70 || OS(NETBSD) | |
| 71 // ELF platform | |
| 72 #define HIDE_SYMBOL(name) ".hidden " #name | |
| 73 #else | |
| 74 #define HIDE_SYMBOL(name) | |
| 75 #endif | |
| 76 | |
| 77 // FIXME: figure out how this works on all the platforms. I know that | |
| 78 // on ELF, the preferred form is ".Lstuff" as opposed to "Lstuff". | |
| 79 // Don't know about any of the others. | |
| 80 #if OS(DARWIN) | |
| 81 #define LOCAL_LABEL_STRING(name) "L" #name | |
| 82 #elif OS(LINUX) \ | |
| 83 || OS(FREEBSD) \ | |
| 84 || OS(OPENBSD) \ | |
| 85 || OS(NETBSD) \ | |
| 86 || OS(QNX) | |
| 87 // GNU as-compatible syntax. | |
| 88 #define LOCAL_LABEL_STRING(name) ".L" #name | |
| 89 #endif | |
| 90 | |
| 91 #if (CPU(ARM_TRADITIONAL) && (defined(thumb2) || defined(__thumb2__) || defined(
__thumb) || defined(__thumb__))) || CPU(ARM_THUMB2) | |
| 92 #define INLINE_ARM_FUNCTION(name) ".thumb" "\n" ".thumb_func " THUMB_FUNC_PARAM(
name) "\n" | |
| 93 #else | |
| 94 #define INLINE_ARM_FUNCTION(name) | |
| 95 #endif | |
| 96 | |
| 97 #endif // InlineASM_h | |
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