Mercurial > hg > graal-compiler
annotate src/os/windows/vm/os_windows.inline.hpp @ 7073:ea39031737cf
bugfix to prevent metadata constants from being emitted inline
author | Christian Haeubl <haeubl@ssw.jku.at> |
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date | Tue, 27 Nov 2012 10:41:42 +0100 |
parents | 828eafbd85cc |
children | cd3d6a6b95d9 |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP |
26 #define OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP | |
27 | |
28 #include "runtime/atomic.hpp" | |
29 #include "runtime/os.hpp" | |
30 #ifdef TARGET_OS_ARCH_windows_x86 | |
31 # include "atomic_windows_x86.inline.hpp" | |
32 # include "orderAccess_windows_x86.inline.hpp" | |
33 #endif | |
34 | |
0 | 35 inline const char* os::file_separator() { return "\\"; } |
36 inline const char* os::line_separator() { return "\r\n"; } | |
37 inline const char* os::path_separator() { return ";"; } | |
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38 inline const char* os::dll_file_extension() { return ".dll"; } |
0 | 39 |
40 inline const char* os::jlong_format_specifier() { return "%I64d"; } | |
41 inline const char* os::julong_format_specifier() { return "%I64u"; } | |
42 | |
1980
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43 inline const int os::default_file_open_flags() { return O_BINARY | O_NOINHERIT;} |
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44 |
0 | 45 // File names are case-insensitive on windows only |
46 inline int os::file_name_strcmp(const char* s, const char* t) { | |
47 return _stricmp(s, t); | |
48 } | |
49 | |
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50 inline void os::dll_unload(void *lib) { |
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51 ::FreeLibrary((HMODULE)lib); |
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52 } |
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53 |
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54 inline void* os::dll_lookup(void *lib, const char *name) { |
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55 return (void*)::GetProcAddress((HMODULE)lib, name); |
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56 } |
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57 |
0 | 58 // Used to improve time-sharing on some systems |
59 inline void os::loop_breaker(int attempts) {} | |
60 | |
61 inline bool os::obsolete_option(const JavaVMOption *option) { | |
62 return false; | |
63 } | |
64 | |
65 inline bool os::uses_stack_guard_pages() { | |
66 return os::win32::is_nt(); | |
67 } | |
68 | |
69 inline bool os::allocate_stack_guard_pages() { | |
70 assert(uses_stack_guard_pages(), "sanity check"); | |
71 return true; | |
72 } | |
73 | |
74 inline int os::readdir_buf_size(const char *path) | |
75 { | |
76 /* As Windows doesn't use the directory entry buffer passed to | |
77 os::readdir() this can be as short as possible */ | |
78 | |
79 return 1; | |
80 } | |
81 | |
82 // Bang the shadow pages if they need to be touched to be mapped. | |
83 inline void os::bang_stack_shadow_pages() { | |
84 // Write to each page of our new frame to force OS mapping. | |
85 // If we decrement stack pointer more than one page | |
86 // the OS may not map an intervening page into our space | |
87 // and may fault on a memory access to interior of our frame. | |
88 address sp = current_stack_pointer(); | |
89 for (int pages = 1; pages <= StackShadowPages; pages++) { | |
90 *((int *)(sp - (pages * vm_page_size()))) = 0; | |
91 } | |
92 } | |
141 | 93 |
94 inline bool os::numa_has_static_binding() { return true; } | |
95 inline bool os::numa_has_group_homing() { return false; } | |
1972 | 96 |
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97 inline size_t os::read(int fd, void *buf, unsigned int nBytes) { |
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98 return ::read(fd, buf, nBytes); |
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99 } |
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100 |
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101 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) { |
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102 return ::read(fd, buf, nBytes); |
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103 } |
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104 |
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105 inline size_t os::write(int fd, const void *buf, unsigned int nBytes) { |
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106 return ::write(fd, buf, nBytes); |
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107 } |
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108 |
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109 inline int os::close(int fd) { |
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110 return ::close(fd); |
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111 } |
1972 | 112 #endif // OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP |