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comparison src/share/vm/graal/graalEnv.hpp @ 19321:98592ae4b1fa

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only record method dependencies if JVMTI hotswapping or breakpointing is enabled don't verify dependencies if the SystemDictionary was not updated during compilation
author Doug Simon <doug.simon@oracle.com>
date Thu, 12 Feb 2015 16:54:12 +0100
parents cd22c8dbda4f
children dd8989d5547f
comparison
equal deleted inserted replaced
19320:49605c649beb 19321:98592ae4b1fa
48 Thread* THREAD = thread; 48 Thread* THREAD = thread;
49 49
50 // 50 //
51 // This class is the top level broker for requests from the compiler 51 // This class is the top level broker for requests from the compiler
52 // to the VM. 52 // to the VM.
53 class GraalEnv : AllStatic { 53 class GraalEnv : StackObj {
54 CI_PACKAGE_ACCESS_TO 54 CI_PACKAGE_ACCESS_TO
55 55
56 friend class CompileBroker; 56 friend class CompileBroker;
57 friend class Dependencies; // for get_object, during logging 57 friend class Dependencies; // for get_object, during logging
58 58
90 int field_index); 90 int field_index);
91 static methodHandle get_method_by_index(constantPoolHandle& cpool, 91 static methodHandle get_method_by_index(constantPoolHandle& cpool,
92 int method_index, Bytecodes::Code bc, 92 int method_index, Bytecodes::Code bc,
93 instanceKlassHandle& loading_klass); 93 instanceKlassHandle& loading_klass);
94 94
95 GraalEnv(CompileTask* task, int system_dictionary_modification_counter);
96
95 private: 97 private:
98 CompileTask* _task;
99 int _system_dictionary_modification_counter;
100
101 // Cache JVMTI state
102 bool _jvmti_can_hotswap_or_post_breakpoint;
103 bool _jvmti_can_access_local_variables;
104 bool _jvmti_can_post_on_exceptions;
96 105
97 // Implementation methods for loading and constant pool access. 106 // Implementation methods for loading and constant pool access.
98 static KlassHandle get_klass_by_name_impl(KlassHandle& accessing_klass, 107 static KlassHandle get_klass_by_name_impl(KlassHandle& accessing_klass,
99 constantPoolHandle& cpool, 108 constantPoolHandle& cpool,
100 Symbol* klass_name, 109 Symbol* klass_name,
122 // Is this thread currently in the VM state? 131 // Is this thread currently in the VM state?
123 static bool is_in_vm(); 132 static bool is_in_vm();
124 133
125 // Helper routine for determining the validity of a compilation 134 // Helper routine for determining the validity of a compilation
126 // with respect to concurrent class loading. 135 // with respect to concurrent class loading.
127 static bool check_for_system_dictionary_modification(Dependencies* target); 136 static bool check_for_system_dictionary_modification(Dependencies* target, GraalEnv* env);
128 137
129 public: 138 public:
139 CompileTask* task() { return _task; }
140
130 // Register the result of a compilation. 141 // Register the result of a compilation.
131 static GraalEnv::CodeInstallResult register_method( 142 static GraalEnv::CodeInstallResult register_method(
132 methodHandle& target, 143 methodHandle& target,
133 nmethod*& nm, 144 nmethod*& nm,
134 int entry_bci, 145 int entry_bci,
139 OopMapSet* oop_map_set, 150 OopMapSet* oop_map_set,
140 ExceptionHandlerTable* handler_table, 151 ExceptionHandlerTable* handler_table,
141 AbstractCompiler* compiler, 152 AbstractCompiler* compiler,
142 DebugInformationRecorder* debug_info, 153 DebugInformationRecorder* debug_info,
143 Dependencies* dependencies, 154 Dependencies* dependencies,
144 CompileTask* task, 155 GraalEnv* env,
145 int compile_id, 156 int compile_id,
146 bool has_unsafe_access, 157 bool has_unsafe_access,
147 Handle installed_code, 158 Handle installed_code,
148 Handle speculation_log); 159 Handle speculation_log);
149 160