Mercurial > hg > truffle
annotate src/os/windows/vm/os_windows.inline.hpp @ 7700:627c284671b7
Use java.nio.ByteOrder instead of our own ByteOrder enumeration
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Mon, 04 Feb 2013 07:36:35 -0800 |
parents | 203f64878aab |
children | 63e54c37ac64 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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" | |
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29 #include "runtime/atomic.inline.hpp" |
1972 | 30 #include "runtime/os.hpp" |
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31 |
1972 | 32 #ifdef TARGET_OS_ARCH_windows_x86 |
33 # include "orderAccess_windows_x86.inline.hpp" | |
34 #endif | |
35 | |
0 | 36 inline const char* os::file_separator() { return "\\"; } |
37 inline const char* os::line_separator() { return "\r\n"; } | |
38 inline const char* os::path_separator() { return ";"; } | |
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39 inline const char* os::dll_file_extension() { return ".dll"; } |
0 | 40 |
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41 inline const int os::default_file_open_flags() { return O_BINARY | O_NOINHERIT;} |
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42 |
0 | 43 // File names are case-insensitive on windows only |
44 inline int os::file_name_strcmp(const char* s, const char* t) { | |
45 return _stricmp(s, t); | |
46 } | |
47 | |
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48 inline void os::dll_unload(void *lib) { |
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49 ::FreeLibrary((HMODULE)lib); |
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50 } |
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51 |
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52 inline void* os::dll_lookup(void *lib, const char *name) { |
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53 return (void*)::GetProcAddress((HMODULE)lib, name); |
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54 } |
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55 |
0 | 56 // Used to improve time-sharing on some systems |
57 inline void os::loop_breaker(int attempts) {} | |
58 | |
59 inline bool os::obsolete_option(const JavaVMOption *option) { | |
60 return false; | |
61 } | |
62 | |
63 inline bool os::uses_stack_guard_pages() { | |
64 return os::win32::is_nt(); | |
65 } | |
66 | |
67 inline bool os::allocate_stack_guard_pages() { | |
68 assert(uses_stack_guard_pages(), "sanity check"); | |
69 return true; | |
70 } | |
71 | |
72 inline int os::readdir_buf_size(const char *path) | |
73 { | |
74 /* As Windows doesn't use the directory entry buffer passed to | |
75 os::readdir() this can be as short as possible */ | |
76 | |
77 return 1; | |
78 } | |
79 | |
80 // Bang the shadow pages if they need to be touched to be mapped. | |
81 inline void os::bang_stack_shadow_pages() { | |
82 // Write to each page of our new frame to force OS mapping. | |
83 // If we decrement stack pointer more than one page | |
84 // the OS may not map an intervening page into our space | |
85 // and may fault on a memory access to interior of our frame. | |
86 address sp = current_stack_pointer(); | |
87 for (int pages = 1; pages <= StackShadowPages; pages++) { | |
88 *((int *)(sp - (pages * vm_page_size()))) = 0; | |
89 } | |
90 } | |
141 | 91 |
92 inline bool os::numa_has_static_binding() { return true; } | |
93 inline bool os::numa_has_group_homing() { return false; } | |
1972 | 94 |
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95 inline size_t os::read(int fd, void *buf, unsigned int nBytes) { |
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96 return ::read(fd, buf, nBytes); |
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97 } |
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98 |
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99 inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) { |
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100 return ::read(fd, buf, nBytes); |
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101 } |
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102 |
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103 inline size_t os::write(int fd, const void *buf, unsigned int nBytes) { |
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104 return ::write(fd, buf, nBytes); |
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105 } |
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106 |
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107 inline int os::close(int fd) { |
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108 return ::close(fd); |
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109 } |
1972 | 110 #endif // OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP |