src/share/vm/compiler/abstractCompiler.hpp

Wed, 13 Mar 2013 15:15:56 -0400

author
coleenp
date
Wed, 13 Mar 2013 15:15:56 -0400
changeset 4718
0ede345ec7c9
parent 4444
606eada1bf86
child 5919
469216acdb28
permissions
-rw-r--r--

8009829: CDS: JDK JPRT test fails crash in Symbol::equals()
Summary: -Xshare:dump was creating a Symbol in C_heap. There's an assert there that jdk jprt wasn't hitting because it was only done in product
Reviewed-by: dholmes, hseigel, iklam

duke@435 1 /*
mikael@4153 2 * Copyright (c) 1999, 2012, 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@4444 53 virtual bool can_compile_method(methodHandle method) { return true; }
twisti@2047 54 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK))
duke@435 55 virtual bool is_c1 () { return false; }
duke@435 56 virtual bool is_c2 () { return false; }
twisti@2047 57 virtual bool is_shark() { return false; }
duke@435 58 #else
duke@435 59 #ifdef COMPILER1
duke@435 60 bool is_c1 () { return true; }
duke@435 61 bool is_c2 () { return false; }
twisti@2047 62 bool is_shark() { return false; }
duke@435 63 #endif // COMPILER1
duke@435 64 #ifdef COMPILER2
duke@435 65 bool is_c1 () { return false; }
duke@435 66 bool is_c2 () { return true; }
twisti@2047 67 bool is_shark() { return false; }
duke@435 68 #endif // COMPILER2
twisti@2047 69 #ifdef SHARK
twisti@2047 70 bool is_c1 () { return false; }
twisti@2047 71 bool is_c2 () { return false; }
twisti@2047 72 bool is_shark() { return true; }
twisti@2047 73 #endif // SHARK
duke@435 74 #endif // TIERED
duke@435 75
duke@435 76 // Customization
duke@435 77 virtual bool needs_stubs () = 0;
duke@435 78
duke@435 79 void mark_initialized() { _is_initialized = true; }
duke@435 80 bool is_initialized() { return _is_initialized; }
duke@435 81
duke@435 82 virtual void initialize() = 0;
duke@435 83
duke@435 84 // Compilation entry point for methods
duke@435 85 virtual void compile_method(ciEnv* env,
duke@435 86 ciMethod* target,
duke@435 87 int entry_bci) {
duke@435 88 ShouldNotReachHere();
duke@435 89 }
duke@435 90
duke@435 91
duke@435 92 // Print compilation timers and statistics
duke@435 93 virtual void print_timers() {
duke@435 94 ShouldNotReachHere();
duke@435 95 }
duke@435 96 };
stefank@2314 97
stefank@2314 98 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP

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