Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/compiler/abstractCompiler.hpp@d2a62e0f25eb (annotated)
src/share/vm/compiler/abstractCompiler.hpp
Thu, 28 Jun 2012 17:03:16 -0400
- author
- zgu
- date
- Thu, 28 Jun 2012 17:03:16 -0400
- changeset 3900
- d2a62e0f25eb
- parent 2314
- f95d63e2154a
- child 4153
- b9a9ed0f8eeb
- 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 | /* |
| twisti@2047 | 2 | * Copyright (c) 1999, 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_COMPILER_ABSTRACTCOMPILER_HPP |
| stefank@2314 | 26 | #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "ci/compilerInterface.hpp" |
| stefank@2314 | 29 | |
| duke@435 | 30 | typedef void (*initializer)(void); |
| duke@435 | 31 | |
| zgu@3900 | 32 | class AbstractCompiler : public CHeapObj<mtCompiler> { |
| duke@435 | 33 | private: |
| duke@435 | 34 | bool _is_initialized; // Mark whether compiler object is initialized |
| duke@435 | 35 | |
| duke@435 | 36 | protected: |
| duke@435 | 37 | // Used for tracking global state of compiler runtime initialization |
| duke@435 | 38 | enum { uninitialized, initializing, initialized }; |
| duke@435 | 39 | |
| duke@435 | 40 | // This method will call the initialization method "f" once (per compiler class/subclass) |
| duke@435 | 41 | // and do so without holding any locks |
| duke@435 | 42 | void initialize_runtimes(initializer f, volatile int* state); |
| duke@435 | 43 | |
| duke@435 | 44 | public: |
| duke@435 | 45 | AbstractCompiler() : _is_initialized(false) {} |
| duke@435 | 46 | |
| duke@435 | 47 | // Name of this compiler |
| duke@435 | 48 | virtual const char* name() = 0; |
| duke@435 | 49 | |
| duke@435 | 50 | // Missing feature tests |
| duke@435 | 51 | virtual bool supports_native() { return true; } |
| duke@435 | 52 | virtual bool supports_osr () { return true; } |
| twisti@2047 | 53 | #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) |
| duke@435 | 54 | virtual bool is_c1 () { return false; } |
| duke@435 | 55 | virtual bool is_c2 () { return false; } |
| twisti@2047 | 56 | virtual bool is_shark() { return false; } |
| duke@435 | 57 | #else |
| duke@435 | 58 | #ifdef COMPILER1 |
| duke@435 | 59 | bool is_c1 () { return true; } |
| duke@435 | 60 | bool is_c2 () { return false; } |
| twisti@2047 | 61 | bool is_shark() { return false; } |
| duke@435 | 62 | #endif // COMPILER1 |
| duke@435 | 63 | #ifdef COMPILER2 |
| duke@435 | 64 | bool is_c1 () { return false; } |
| duke@435 | 65 | bool is_c2 () { return true; } |
| twisti@2047 | 66 | bool is_shark() { return false; } |
| duke@435 | 67 | #endif // COMPILER2 |
| twisti@2047 | 68 | #ifdef SHARK |
| twisti@2047 | 69 | bool is_c1 () { return false; } |
| twisti@2047 | 70 | bool is_c2 () { return false; } |
| twisti@2047 | 71 | bool is_shark() { return true; } |
| twisti@2047 | 72 | #endif // SHARK |
| duke@435 | 73 | #endif // TIERED |
| duke@435 | 74 | |
| duke@435 | 75 | // Customization |
| duke@435 | 76 | virtual bool needs_stubs () = 0; |
| duke@435 | 77 | |
| duke@435 | 78 | void mark_initialized() { _is_initialized = true; } |
| duke@435 | 79 | bool is_initialized() { return _is_initialized; } |
| duke@435 | 80 | |
| duke@435 | 81 | virtual void initialize() = 0; |
| duke@435 | 82 | |
| duke@435 | 83 | // Compilation entry point for methods |
| duke@435 | 84 | virtual void compile_method(ciEnv* env, |
| duke@435 | 85 | ciMethod* target, |
| duke@435 | 86 | int entry_bci) { |
| duke@435 | 87 | ShouldNotReachHere(); |
| duke@435 | 88 | } |
| duke@435 | 89 | |
| duke@435 | 90 | |
| duke@435 | 91 | // Print compilation timers and statistics |
| duke@435 | 92 | virtual void print_timers() { |
| duke@435 | 93 | ShouldNotReachHere(); |
| duke@435 | 94 | } |
| duke@435 | 95 | }; |
| stefank@2314 | 96 | |
| stefank@2314 | 97 | #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |
