101 102 BiasedLockingCounters* counters() { return &_counters; } 103 }; 104 105 typedef const TypeFunc*(*TypeFunc_generator)(); 106 107 class OptoRuntime : public AllStatic { 108 friend class Matcher; // allow access to stub names 109 110 private: 111 // define stubs 112 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char *name, int is_fancy_jump, bool pass_tls, bool save_arguments, bool return_pc); 113 114 // References to generated stubs 115 static address _new_instance_Java; 116 static address _new_array_Java; 117 static address _multianewarray2_Java; 118 static address _multianewarray3_Java; 119 static address _multianewarray4_Java; 120 static address _multianewarray5_Java; 121 static address _g1_wb_pre_Java; 122 static address _g1_wb_post_Java; 123 static address _vtable_must_compile_Java; 124 static address _complete_monitor_locking_Java; 125 static address _rethrow_Java; 126 127 static address _slow_arraycopy_Java; 128 static address _register_finalizer_Java; 129 130 # ifdef ENABLE_ZAP_DEAD_LOCALS 131 static address _zap_dead_Java_locals_Java; 132 static address _zap_dead_native_locals_Java; 133 # endif 134 135 136 // 137 // Implementation of runtime methods 138 // ================================= 139 140 // Allocate storage for a Java instance. 141 static void new_instance_C(klassOopDesc* instance_klass, JavaThread *thread); 142 143 // Allocate storage for a objArray or typeArray 144 static void new_array_C(klassOopDesc* array_klass, int len, JavaThread *thread); 145 146 // Post-slow-path-allocation, pre-initializing-stores step for 147 // implementing ReduceInitialCardMarks 148 static void new_store_pre_barrier(JavaThread* thread); 149 150 // Allocate storage for a multi-dimensional arrays 151 // Note: needs to be fixed for arbitrary number of dimensions 152 static void multianewarray2_C(klassOopDesc* klass, int len1, int len2, JavaThread *thread); 153 static void multianewarray3_C(klassOopDesc* klass, int len1, int len2, int len3, JavaThread *thread); 154 static void multianewarray4_C(klassOopDesc* klass, int len1, int len2, int len3, int len4, JavaThread *thread); 155 static void multianewarray5_C(klassOopDesc* klass, int len1, int len2, int len3, int len4, int len5, JavaThread *thread); 156 static void g1_wb_pre_C(oopDesc* orig, JavaThread* thread); 157 static void g1_wb_post_C(void* card_addr, JavaThread* thread); 158 159 public: 160 // Slow-path Locking and Unlocking 161 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* thread); 162 static void complete_monitor_unlocking_C(oopDesc* obj, BasicLock* lock); 163 164 private: 165 166 // Implicit exception support 167 static void throw_null_exception_C(JavaThread* thread); 168 169 // Exception handling 170 static address handle_exception_C (JavaThread* thread); 171 static address handle_exception_C_helper(JavaThread* thread, nmethod*& nm); 172 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc ); 173 static void deoptimize_caller_frame (JavaThread *thread, bool doit); 174 175 // CodeBlob support 193 # endif 194 195 196 public: 197 198 static bool is_callee_saved_register(MachRegisterNumbers reg); 199 200 // One time only generate runtime code stubs 201 static void generate(ciEnv* env); 202 203 // Returns the name of a stub 204 static const char* stub_name(address entry); 205 206 // access to runtime stubs entry points for java code 207 static address new_instance_Java() { return _new_instance_Java; } 208 static address new_array_Java() { return _new_array_Java; } 209 static address multianewarray2_Java() { return _multianewarray2_Java; } 210 static address multianewarray3_Java() { return _multianewarray3_Java; } 211 static address multianewarray4_Java() { return _multianewarray4_Java; } 212 static address multianewarray5_Java() { return _multianewarray5_Java; } 213 static address g1_wb_pre_Java() { return _g1_wb_pre_Java; } 214 static address g1_wb_post_Java() { return _g1_wb_post_Java; } 215 static address vtable_must_compile_stub() { return _vtable_must_compile_Java; } 216 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; } 217 218 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; } 219 static address register_finalizer_Java() { return _register_finalizer_Java; } 220 221 222 # ifdef ENABLE_ZAP_DEAD_LOCALS 223 static address zap_dead_locals_stub(bool is_native) { return is_native 224 ? _zap_dead_native_locals_Java 225 : _zap_dead_Java_locals_Java; } 226 static MachNode* node_to_call_zap_dead_locals(Node* n, int block_num, bool is_native); 227 # endif 228 229 static ExceptionBlob* exception_blob() { return _exception_blob; } 230 231 // Leaf routines helping with method data update 232 static void profile_receiver_type_C(DataLayout* data, oopDesc* receiver); 233 234 // Implicit exception support 235 static void throw_div0_exception_C (JavaThread* thread); 236 static void throw_stack_overflow_error_C(JavaThread* thread); 237 238 // Exception handling 239 static address rethrow_stub() { return _rethrow_Java; } 240 241 242 // Type functions 243 // ====================================================== 244 245 static const TypeFunc* new_instance_Type(); // object allocation (slow case) 246 static const TypeFunc* new_array_Type (); // [a]newarray (slow case) 247 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray 248 static const TypeFunc* multianewarray2_Type(); // multianewarray 249 static const TypeFunc* multianewarray3_Type(); // multianewarray 250 static const TypeFunc* multianewarray4_Type(); // multianewarray 251 static const TypeFunc* multianewarray5_Type(); // multianewarray 252 static const TypeFunc* g1_wb_pre_Type(); 253 static const TypeFunc* g1_wb_post_Type(); 254 static const TypeFunc* complete_monitor_enter_Type(); 255 static const TypeFunc* complete_monitor_exit_Type(); 256 static const TypeFunc* uncommon_trap_Type(); 257 static const TypeFunc* athrow_Type(); 258 static const TypeFunc* rethrow_Type(); 259 static const TypeFunc* Math_D_D_Type(); // sin,cos & friends 260 static const TypeFunc* Math_DD_D_Type(); // mod,pow & friends 261 static const TypeFunc* modf_Type(); 262 static const TypeFunc* l2f_Type(); 263 static const TypeFunc* current_time_millis_Type(); 264 265 static const TypeFunc* flush_windows_Type(); 266 267 // arraycopy routine types 268 static const TypeFunc* fast_arraycopy_Type(); // bit-blasters 269 static const TypeFunc* checkcast_arraycopy_Type(); 270 static const TypeFunc* generic_arraycopy_Type(); 271 static const TypeFunc* slow_arraycopy_Type(); // the full routine | 101 102 BiasedLockingCounters* counters() { return &_counters; } 103 }; 104 105 typedef const TypeFunc*(*TypeFunc_generator)(); 106 107 class OptoRuntime : public AllStatic { 108 friend class Matcher; // allow access to stub names 109 110 private: 111 // define stubs 112 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char *name, int is_fancy_jump, bool pass_tls, bool save_arguments, bool return_pc); 113 114 // References to generated stubs 115 static address _new_instance_Java; 116 static address _new_array_Java; 117 static address _multianewarray2_Java; 118 static address _multianewarray3_Java; 119 static address _multianewarray4_Java; 120 static address _multianewarray5_Java; 121 static address _multianewarrayN_Java; 122 static address _g1_wb_pre_Java; 123 static address _g1_wb_post_Java; 124 static address _vtable_must_compile_Java; 125 static address _complete_monitor_locking_Java; 126 static address _rethrow_Java; 127 128 static address _slow_arraycopy_Java; 129 static address _register_finalizer_Java; 130 131 # ifdef ENABLE_ZAP_DEAD_LOCALS 132 static address _zap_dead_Java_locals_Java; 133 static address _zap_dead_native_locals_Java; 134 # endif 135 136 137 // 138 // Implementation of runtime methods 139 // ================================= 140 141 // Allocate storage for a Java instance. 142 static void new_instance_C(klassOopDesc* instance_klass, JavaThread *thread); 143 144 // Allocate storage for a objArray or typeArray 145 static void new_array_C(klassOopDesc* array_klass, int len, JavaThread *thread); 146 147 // Post-slow-path-allocation, pre-initializing-stores step for 148 // implementing ReduceInitialCardMarks 149 static void new_store_pre_barrier(JavaThread* thread); 150 151 // Allocate storage for a multi-dimensional arrays 152 // Note: needs to be fixed for arbitrary number of dimensions 153 static void multianewarray2_C(klassOopDesc* klass, int len1, int len2, JavaThread *thread); 154 static void multianewarray3_C(klassOopDesc* klass, int len1, int len2, int len3, JavaThread *thread); 155 static void multianewarray4_C(klassOopDesc* klass, int len1, int len2, int len3, int len4, JavaThread *thread); 156 static void multianewarray5_C(klassOopDesc* klass, int len1, int len2, int len3, int len4, int len5, JavaThread *thread); 157 static void multianewarrayN_C(klassOopDesc* klass, arrayOopDesc* dims, JavaThread *thread); 158 static void g1_wb_pre_C(oopDesc* orig, JavaThread* thread); 159 static void g1_wb_post_C(void* card_addr, JavaThread* thread); 160 161 public: 162 // Slow-path Locking and Unlocking 163 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* thread); 164 static void complete_monitor_unlocking_C(oopDesc* obj, BasicLock* lock); 165 166 private: 167 168 // Implicit exception support 169 static void throw_null_exception_C(JavaThread* thread); 170 171 // Exception handling 172 static address handle_exception_C (JavaThread* thread); 173 static address handle_exception_C_helper(JavaThread* thread, nmethod*& nm); 174 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc ); 175 static void deoptimize_caller_frame (JavaThread *thread, bool doit); 176 177 // CodeBlob support 195 # endif 196 197 198 public: 199 200 static bool is_callee_saved_register(MachRegisterNumbers reg); 201 202 // One time only generate runtime code stubs 203 static void generate(ciEnv* env); 204 205 // Returns the name of a stub 206 static const char* stub_name(address entry); 207 208 // access to runtime stubs entry points for java code 209 static address new_instance_Java() { return _new_instance_Java; } 210 static address new_array_Java() { return _new_array_Java; } 211 static address multianewarray2_Java() { return _multianewarray2_Java; } 212 static address multianewarray3_Java() { return _multianewarray3_Java; } 213 static address multianewarray4_Java() { return _multianewarray4_Java; } 214 static address multianewarray5_Java() { return _multianewarray5_Java; } 215 static address multianewarrayN_Java() { return _multianewarrayN_Java; } 216 static address g1_wb_pre_Java() { return _g1_wb_pre_Java; } 217 static address g1_wb_post_Java() { return _g1_wb_post_Java; } 218 static address vtable_must_compile_stub() { return _vtable_must_compile_Java; } 219 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; } 220 221 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; } 222 static address register_finalizer_Java() { return _register_finalizer_Java; } 223 224 225 # ifdef ENABLE_ZAP_DEAD_LOCALS 226 static address zap_dead_locals_stub(bool is_native) { return is_native 227 ? _zap_dead_native_locals_Java 228 : _zap_dead_Java_locals_Java; } 229 static MachNode* node_to_call_zap_dead_locals(Node* n, int block_num, bool is_native); 230 # endif 231 232 static ExceptionBlob* exception_blob() { return _exception_blob; } 233 234 // Leaf routines helping with method data update 235 static void profile_receiver_type_C(DataLayout* data, oopDesc* receiver); 236 237 // Implicit exception support 238 static void throw_div0_exception_C (JavaThread* thread); 239 static void throw_stack_overflow_error_C(JavaThread* thread); 240 241 // Exception handling 242 static address rethrow_stub() { return _rethrow_Java; } 243 244 245 // Type functions 246 // ====================================================== 247 248 static const TypeFunc* new_instance_Type(); // object allocation (slow case) 249 static const TypeFunc* new_array_Type (); // [a]newarray (slow case) 250 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray 251 static const TypeFunc* multianewarray2_Type(); // multianewarray 252 static const TypeFunc* multianewarray3_Type(); // multianewarray 253 static const TypeFunc* multianewarray4_Type(); // multianewarray 254 static const TypeFunc* multianewarray5_Type(); // multianewarray 255 static const TypeFunc* multianewarrayN_Type(); // multianewarray 256 static const TypeFunc* g1_wb_pre_Type(); 257 static const TypeFunc* g1_wb_post_Type(); 258 static const TypeFunc* complete_monitor_enter_Type(); 259 static const TypeFunc* complete_monitor_exit_Type(); 260 static const TypeFunc* uncommon_trap_Type(); 261 static const TypeFunc* athrow_Type(); 262 static const TypeFunc* rethrow_Type(); 263 static const TypeFunc* Math_D_D_Type(); // sin,cos & friends 264 static const TypeFunc* Math_DD_D_Type(); // mod,pow & friends 265 static const TypeFunc* modf_Type(); 266 static const TypeFunc* l2f_Type(); 267 static const TypeFunc* current_time_millis_Type(); 268 269 static const TypeFunc* flush_windows_Type(); 270 271 // arraycopy routine types 272 static const TypeFunc* fast_arraycopy_Type(); // bit-blasters 273 static const TypeFunc* checkcast_arraycopy_Type(); 274 static const TypeFunc* generic_arraycopy_Type(); 275 static const TypeFunc* slow_arraycopy_Type(); // the full routine |