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comparison src/share/vm/compiler/abstractCompiler.hpp @ 12880:469216acdb28

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8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash Summary: Ensure ensure correct initialization of compiler runtime Reviewed-by: kvn, twisti
author anoll
date Thu, 10 Oct 2013 15:44:12 +0200
parents 606eada1bf86
children 096c224171c4 de6a9e811145
comparison
equal deleted inserted replaced
12876:8b80b262e501 12880:469216acdb28
25 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP 25 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP
26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP 26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP
27 27
28 #include "ci/compilerInterface.hpp" 28 #include "ci/compilerInterface.hpp"
29 29
30 typedef void (*initializer)(void);
31
32 class AbstractCompiler : public CHeapObj<mtCompiler> { 30 class AbstractCompiler : public CHeapObj<mtCompiler> {
33 private: 31 private:
34 bool _is_initialized; // Mark whether compiler object is initialized 32 volatile int _num_compiler_threads;
35 33
36 protected: 34 protected:
35 volatile int _compiler_state;
37 // Used for tracking global state of compiler runtime initialization 36 // Used for tracking global state of compiler runtime initialization
38 enum { uninitialized, initializing, initialized }; 37 enum { uninitialized, initializing, initialized, failed, shut_down };
39 38
40 // This method will call the initialization method "f" once (per compiler class/subclass) 39 // This method returns true for the first compiler thread that reaches that methods.
41 // and do so without holding any locks 40 // This thread will initialize the compiler runtime.
42 void initialize_runtimes(initializer f, volatile int* state); 41 bool should_perform_init();
43 42
44 public: 43 public:
45 AbstractCompiler() : _is_initialized(false) {} 44 AbstractCompiler() : _compiler_state(uninitialized), _num_compiler_threads(0) {}
45
46 // This function determines the compiler thread that will perform the
47 // shutdown of the corresponding compiler runtime.
48 bool should_perform_shutdown();
46 49
47 // Name of this compiler 50 // Name of this compiler
48 virtual const char* name() = 0; 51 virtual const char* name() = 0;
49 52
50 // Missing feature tests 53 // Missing feature tests
72 bool is_shark() { return true; } 75 bool is_shark() { return true; }
73 #endif // SHARK 76 #endif // SHARK
74 #endif // TIERED 77 #endif // TIERED
75 78
76 // Customization 79 // Customization
77 virtual bool needs_stubs () = 0; 80 virtual void initialize () = 0;
78 81
79 void mark_initialized() { _is_initialized = true; } 82 void set_num_compiler_threads(int num) { _num_compiler_threads = num; }
80 bool is_initialized() { return _is_initialized; } 83 int num_compiler_threads() { return _num_compiler_threads; }
81 84
82 virtual void initialize() = 0; 85 // Get/set state of compiler objects
83 86 bool is_initialized() { return _compiler_state == initialized; }
87 bool is_failed () { return _compiler_state == failed;}
88 void set_state (int state);
89 void set_shut_down () { set_state(shut_down); }
84 // Compilation entry point for methods 90 // Compilation entry point for methods
85 virtual void compile_method(ciEnv* env, 91 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
86 ciMethod* target,
87 int entry_bci) {
88 ShouldNotReachHere(); 92 ShouldNotReachHere();
89 } 93 }
90 94
91 95
92 // Print compilation timers and statistics 96 // Print compilation timers and statistics