Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/runtime/handles.inline.hpp@d2a62e0f25eb (annotated)
src/share/vm/runtime/handles.inline.hpp
Thu, 28 Jun 2012 17:03:16 -0400
- author
- zgu
- date
- Thu, 28 Jun 2012 17:03:16 -0400
- changeset 3900
- d2a62e0f25eb
- parent 3156
- f08d439fab8c
- child 4037
- da91efe96a93
- permissions
- -rw-r--r--
6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain
| duke@435 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |
| stefank@2314 | 26 | #define SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "runtime/handles.hpp" |
| stefank@2314 | 29 | #ifdef TARGET_OS_FAMILY_linux |
| stefank@2314 | 30 | # include "thread_linux.inline.hpp" |
| stefank@2314 | 31 | #endif |
| stefank@2314 | 32 | #ifdef TARGET_OS_FAMILY_solaris |
| stefank@2314 | 33 | # include "thread_solaris.inline.hpp" |
| stefank@2314 | 34 | #endif |
| stefank@2314 | 35 | #ifdef TARGET_OS_FAMILY_windows |
| stefank@2314 | 36 | # include "thread_windows.inline.hpp" |
| stefank@2314 | 37 | #endif |
| never@3156 | 38 | #ifdef TARGET_OS_FAMILY_bsd |
| never@3156 | 39 | # include "thread_bsd.inline.hpp" |
| never@3156 | 40 | #endif |
| stefank@2314 | 41 | |
| duke@435 | 42 | // these inline functions are in a separate file to break an include cycle |
| duke@435 | 43 | // between Thread and Handle |
| duke@435 | 44 | |
| duke@435 | 45 | inline Handle::Handle(oop obj) { |
| duke@435 | 46 | if (obj == NULL) { |
| duke@435 | 47 | _handle = NULL; |
| duke@435 | 48 | } else { |
| duke@435 | 49 | _handle = Thread::current()->handle_area()->allocate_handle(obj); |
| duke@435 | 50 | } |
| duke@435 | 51 | } |
| duke@435 | 52 | |
| duke@435 | 53 | |
| duke@435 | 54 | #ifndef ASSERT |
| duke@435 | 55 | inline Handle::Handle(Thread* thread, oop obj) { |
| duke@435 | 56 | assert(thread == Thread::current(), "sanity check"); |
| duke@435 | 57 | if (obj == NULL) { |
| duke@435 | 58 | _handle = NULL; |
| duke@435 | 59 | } else { |
| duke@435 | 60 | _handle = thread->handle_area()->allocate_handle(obj); |
| duke@435 | 61 | } |
| duke@435 | 62 | } |
| duke@435 | 63 | #endif // ASSERT |
| duke@435 | 64 | |
| duke@435 | 65 | |
| duke@435 | 66 | inline HandleMark::HandleMark() { |
| duke@435 | 67 | initialize(Thread::current()); |
| duke@435 | 68 | } |
| duke@435 | 69 | |
| duke@435 | 70 | |
| duke@435 | 71 | inline void HandleMark::push() { |
| duke@435 | 72 | // This is intentionally a NOP. pop_and_restore will reset |
| duke@435 | 73 | // values to the HandleMark further down the stack, typically |
| duke@435 | 74 | // in JavaCalls::call_helper. |
| duke@435 | 75 | debug_only(_area->_handle_mark_nesting++); |
| duke@435 | 76 | } |
| duke@435 | 77 | |
| duke@435 | 78 | inline void HandleMark::pop_and_restore() { |
| duke@435 | 79 | HandleArea* area = _area; // help compilers with poor alias analysis |
| duke@435 | 80 | // Delete later chunks |
| duke@435 | 81 | if( _chunk->next() ) { |
| duke@435 | 82 | _chunk->next_chop(); |
| duke@435 | 83 | } |
| duke@435 | 84 | // Roll back arena to saved top markers |
| duke@435 | 85 | area->_chunk = _chunk; |
| duke@435 | 86 | area->_hwm = _hwm; |
| duke@435 | 87 | area->_max = _max; |
| zgu@3900 | 88 | area->set_size_in_bytes(_size_in_bytes); |
| duke@435 | 89 | debug_only(area->_handle_mark_nesting--); |
| duke@435 | 90 | } |
| stefank@2314 | 91 | |
| stefank@2314 | 92 | #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |
