2 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <wtf/Platform.h>
31 /* asm directive helpers */
33 #if OS(DARWIN) || (OS(WINDOWS) && CPU(X86))
34 #define SYMBOL_STRING(name) "_" #name
36 #define SYMBOL_STRING(name) #name
40 #define THUMB_FUNC_PARAM(name) SYMBOL_STRING(name)
42 #define THUMB_FUNC_PARAM(name)
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"
50 #define GLOBAL_REFERENCE(name) SYMBOL_STRING(name)
53 #if HAVE(INTERNAL_VISIBILITY)
54 #define LOCAL_REFERENCE(name) SYMBOL_STRING(name)
56 #define LOCAL_REFERENCE(name) GLOBAL_REFERENCE(name)
61 #define HIDE_SYMBOL(name) ".private_extern _" #name
63 // IBM's own file format
64 #define HIDE_SYMBOL(name) ".lglobl " #name
69 || (OS(HPUX) && CPU(IA64)) \
72 #define HIDE_SYMBOL(name) ".hidden " #name
74 #define HIDE_SYMBOL(name)
77 // FIXME: figure out how this works on all the platforms. I know that
78 // on Linux, the preferred form is ".Lstuff" as opposed to "Lstuff".
79 // Don't know about any of the others.
81 #define LOCAL_LABEL_STRING(name) "L" #name
83 #define LOCAL_LABEL_STRING(name) ".L" #name
86 #if (CPU(ARM_TRADITIONAL) && (defined(thumb2) || defined(__thumb2__) || defined(__thumb) || defined(__thumb__))) || CPU(ARM_THUMB2)
87 #define INLINE_ARM_FUNCTION(name) ".thumb" "\n" ".thumb_func " THUMB_FUNC_PARAM(name) "\n"
89 #define INLINE_ARM_FUNCTION(name)