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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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