Mercurial > hg > truffle
annotate src/share/vm/compiler/abstractCompiler.hpp @ 6862:8a5ea0a9ccc4
7127708: G1: change task num types from int to uint in concurrent mark
Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich.
Reviewed-by: johnc
Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>
| author | johnc |
|---|---|
| date | Sat, 06 Oct 2012 01:17:44 -0700 |
| parents | d2a62e0f25eb |
| children | 957c266d8bc5 b9a9ed0f8eeb |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1692 | 2 * Copyright (c) 1999, 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 SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |
| 26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP | |
| 27 | |
| 28 #include "ci/compilerInterface.hpp" | |
| 29 | |
| 0 | 30 typedef void (*initializer)(void); |
| 31 | |
| 6197 | 32 class AbstractCompiler : public CHeapObj<mtCompiler> { |
| 0 | 33 private: |
| 34 bool _is_initialized; // Mark whether compiler object is initialized | |
| 35 | |
| 36 protected: | |
| 37 // Used for tracking global state of compiler runtime initialization | |
| 38 enum { uninitialized, initializing, initialized }; | |
| 39 | |
| 40 // This method will call the initialization method "f" once (per compiler class/subclass) | |
| 41 // and do so without holding any locks | |
| 42 void initialize_runtimes(initializer f, volatile int* state); | |
| 43 | |
| 44 public: | |
| 45 AbstractCompiler() : _is_initialized(false) {} | |
| 46 | |
| 47 // Name of this compiler | |
| 48 virtual const char* name() = 0; | |
| 49 | |
| 50 // Missing feature tests | |
| 51 virtual bool supports_native() { return true; } | |
| 52 virtual bool supports_osr () { return true; } | |
| 1692 | 53 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) |
| 0 | 54 virtual bool is_c1 () { return false; } |
| 55 virtual bool is_c2 () { return false; } | |
| 1692 | 56 virtual bool is_shark() { return false; } |
| 0 | 57 #else |
| 58 #ifdef COMPILER1 | |
| 59 bool is_c1 () { return true; } | |
| 60 bool is_c2 () { return false; } | |
| 1692 | 61 bool is_shark() { return false; } |
| 0 | 62 #endif // COMPILER1 |
| 63 #ifdef COMPILER2 | |
| 64 bool is_c1 () { return false; } | |
| 65 bool is_c2 () { return true; } | |
| 1692 | 66 bool is_shark() { return false; } |
| 0 | 67 #endif // COMPILER2 |
| 1692 | 68 #ifdef SHARK |
| 69 bool is_c1 () { return false; } | |
| 70 bool is_c2 () { return false; } | |
| 71 bool is_shark() { return true; } | |
| 72 #endif // SHARK | |
| 0 | 73 #endif // TIERED |
| 74 | |
| 75 // Customization | |
| 76 virtual bool needs_stubs () = 0; | |
| 77 | |
| 78 void mark_initialized() { _is_initialized = true; } | |
| 79 bool is_initialized() { return _is_initialized; } | |
| 80 | |
| 81 virtual void initialize() = 0; | |
| 82 | |
| 83 // Compilation entry point for methods | |
| 84 virtual void compile_method(ciEnv* env, | |
| 85 ciMethod* target, | |
| 86 int entry_bci) { | |
| 87 ShouldNotReachHere(); | |
| 88 } | |
| 89 | |
| 90 | |
| 91 // Print compilation timers and statistics | |
| 92 virtual void print_timers() { | |
| 93 ShouldNotReachHere(); | |
| 94 } | |
| 95 }; | |
| 1972 | 96 |
| 97 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |