1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/os/windows/vm/os_windows.inline.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,113 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP
1.29 +#define OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP
1.30 +
1.31 +#include "runtime/atomic.inline.hpp"
1.32 +#include "runtime/os.hpp"
1.33 +
1.34 +#ifdef TARGET_OS_ARCH_windows_x86
1.35 +# include "orderAccess_windows_x86.inline.hpp"
1.36 +#endif
1.37 +
1.38 +inline const char* os::file_separator() { return "\\"; }
1.39 +inline const char* os::line_separator() { return "\r\n"; }
1.40 +inline const char* os::path_separator() { return ";"; }
1.41 +inline const char* os::dll_file_extension() { return ".dll"; }
1.42 +
1.43 +inline const int os::default_file_open_flags() { return O_BINARY | O_NOINHERIT;}
1.44 +
1.45 +// File names are case-insensitive on windows only
1.46 +inline int os::file_name_strcmp(const char* s, const char* t) {
1.47 + return _stricmp(s, t);
1.48 +}
1.49 +
1.50 +inline void os::dll_unload(void *lib) {
1.51 + ::FreeLibrary((HMODULE)lib);
1.52 +}
1.53 +
1.54 +inline void* os::dll_lookup(void *lib, const char *name) {
1.55 + return (void*)::GetProcAddress((HMODULE)lib, name);
1.56 +}
1.57 +
1.58 +// Used to improve time-sharing on some systems
1.59 +inline void os::loop_breaker(int attempts) {}
1.60 +
1.61 +inline bool os::obsolete_option(const JavaVMOption *option) {
1.62 + return false;
1.63 +}
1.64 +
1.65 +inline bool os::uses_stack_guard_pages() {
1.66 + return os::win32::is_nt();
1.67 +}
1.68 +
1.69 +inline bool os::allocate_stack_guard_pages() {
1.70 + assert(uses_stack_guard_pages(), "sanity check");
1.71 + return true;
1.72 +}
1.73 +
1.74 +inline int os::readdir_buf_size(const char *path)
1.75 +{
1.76 + /* As Windows doesn't use the directory entry buffer passed to
1.77 + os::readdir() this can be as short as possible */
1.78 +
1.79 + return 1;
1.80 +}
1.81 +
1.82 +// Bang the shadow pages if they need to be touched to be mapped.
1.83 +inline void os::bang_stack_shadow_pages() {
1.84 + // Write to each page of our new frame to force OS mapping.
1.85 + // If we decrement stack pointer more than one page
1.86 + // the OS may not map an intervening page into our space
1.87 + // and may fault on a memory access to interior of our frame.
1.88 + address sp = current_stack_pointer();
1.89 + for (int pages = 1; pages <= StackShadowPages; pages++) {
1.90 + *((int *)(sp - (pages * vm_page_size()))) = 0;
1.91 + }
1.92 +}
1.93 +
1.94 +inline bool os::numa_has_static_binding() { return true; }
1.95 +inline bool os::numa_has_group_homing() { return false; }
1.96 +
1.97 +inline size_t os::read(int fd, void *buf, unsigned int nBytes) {
1.98 + return ::read(fd, buf, nBytes);
1.99 +}
1.100 +
1.101 +inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) {
1.102 + return ::read(fd, buf, nBytes);
1.103 +}
1.104 +
1.105 +inline size_t os::write(int fd, const void *buf, unsigned int nBytes) {
1.106 + return ::write(fd, buf, nBytes);
1.107 +}
1.108 +
1.109 +inline int os::close(int fd) {
1.110 + return ::close(fd);
1.111 +}
1.112 +
1.113 +#define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) \
1.114 + os::win32::call_test_func_with_wrapper(f)
1.115 +
1.116 +#endif // OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP
