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comparison src/share/vm/runtime/thread.hpp @ 8151:b8f261ba79c6

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Minimize diff to plain HotSpot version.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Mar 2013 21:00:29 +0100
parents 5fc51c1ecdeb
children b9a918201d47
comparison
equal deleted inserted replaced
8150:b66f831ac5ab 8151:b8f261ba79c6
767 friend class VMStructs; 767 friend class VMStructs;
768 private: 768 private:
769 JavaThread* _next; // The next thread in the Threads list 769 JavaThread* _next; // The next thread in the Threads list
770 oop _threadObj; // The Java level thread object 770 oop _threadObj; // The Java level thread object
771 771
772 // (thomaswue) Necessary for holding a compilation buffer and ci environment. 772 // (thomaswue) Necessary for holding a compilation buffer.
773 // Moved up from CompilerThread to JavaThread in order to enable code 773 // Moved up from CompilerThread to JavaThread in order to enable code
774 // installation from Java application code. 774 // installation from Java application code.
775 BufferBlob* _buffer_blob; 775 BufferBlob* _buffer_blob;
776 ciEnv* _env;
777 bool _is_compiling;
778
779 #ifdef ASSERT 776 #ifdef ASSERT
780 private: 777 private:
781 int _java_call_counter; 778 int _java_call_counter;
782 779
783 public: 780 public:
903 900
904 private: 901 private:
905 902
906 #ifdef GRAAL 903 #ifdef GRAAL
907 address _graal_alternate_call_target; 904 address _graal_alternate_call_target;
908 DebugScopedValue* _debug_scope; 905 #endif
909 #endif
910 #ifdef HIGH_LEVEL_INTERPRETER
911 bool _high_level_interpreter_in_vm;
912 #endif
913
914 StackGuardState _stack_guard_state; 906 StackGuardState _stack_guard_state;
915 907
916 nmethod* _scanned_nmethod; // nmethod being scanned by the sweeper 908 nmethod* _scanned_nmethod; // nmethod being scanned by the sweeper
917 909
918 // Compiler exception handling (NOTE: The _exception_oop is *NOT* the same as _pending_exception. It is 910 // Compiler exception handling (NOTE: The _exception_oop is *NOT* the same as _pending_exception. It is
920 // code) 912 // code)
921 volatile oop _exception_oop; // Exception thrown in compiled code 913 volatile oop _exception_oop; // Exception thrown in compiled code
922 volatile address _exception_pc; // PC where exception happened 914 volatile address _exception_pc; // PC where exception happened
923 volatile address _exception_handler_pc; // PC for handler of exception 915 volatile address _exception_handler_pc; // PC for handler of exception
924 volatile int _is_method_handle_return; // true (== 1) if the current exception PC is a MethodHandle call site. 916 volatile int _is_method_handle_return; // true (== 1) if the current exception PC is a MethodHandle call site.
917
918 // support for compilation
919 bool _is_compiling; // is true if a compilation is active inthis thread (one compilation per thread possible)
925 920
926 // support for JNI critical regions 921 // support for JNI critical regions
927 jint _jni_active_critical; // count of entries into JNI critical region 922 jint _jni_active_critical; // count of entries into JNI critical region
928 923
929 // For deadlock detection. 924 // For deadlock detection.
980 _jni_environment.functions = functionTable; 975 _jni_environment.functions = functionTable;
981 } 976 }
982 struct JNINativeInterface_* get_jni_functions() { 977 struct JNINativeInterface_* get_jni_functions() {
983 return (struct JNINativeInterface_ *)_jni_environment.functions; 978 return (struct JNINativeInterface_ *)_jni_environment.functions;
984 } 979 }
985 980
986 bool is_compiling() const { return _is_compiling; }
987 void set_compiling(bool b) { _is_compiling = b; }
988
989 // Get/set the thread's compilation environment.
990 ciEnv* env() { return _env; }
991 void set_env(ciEnv* env) { _env = env; }
992 981
993 BufferBlob* get_buffer_blob() { return _buffer_blob; } 982 BufferBlob* get_buffer_blob() { return _buffer_blob; }
994 void set_buffer_blob(BufferBlob* b) { _buffer_blob = b; }; 983 void set_buffer_blob(BufferBlob* b) { _buffer_blob = b; };
995 984
996 // This function is called at thread creation to allow 985 // This function is called at thread creation to allow
1015 _scanned_nmethod = nm; 1004 _scanned_nmethod = nm;
1016 } 1005 }
1017 1006
1018 // Testers 1007 // Testers
1019 virtual bool is_Java_thread() const { return true; } 1008 virtual bool is_Java_thread() const { return true; }
1009
1010 // compilation
1011 void set_is_compiling(bool f) { _is_compiling = f; }
1012 bool is_compiling() const { return _is_compiling; }
1020 1013
1021 // Thread chain operations 1014 // Thread chain operations
1022 JavaThread* next() const { return _next; } 1015 JavaThread* next() const { return _next; }
1023 void set_next(JavaThread* p) { _next = p; } 1016 void set_next(JavaThread* p) { _next = p; }
1024 1017
1281 MemRegion deferred_card_mark() const { return _deferred_card_mark; } 1274 MemRegion deferred_card_mark() const { return _deferred_card_mark; }
1282 void set_deferred_card_mark(MemRegion mr) { _deferred_card_mark = mr; } 1275 void set_deferred_card_mark(MemRegion mr) { _deferred_card_mark = mr; }
1283 1276
1284 #ifdef GRAAL 1277 #ifdef GRAAL
1285 void set_graal_alternate_call_target(address a) { _graal_alternate_call_target = a; } 1278 void set_graal_alternate_call_target(address a) { _graal_alternate_call_target = a; }
1286
1287 DebugScopedValue* debug_scope() const { return _debug_scope; }
1288 void set_debug_scope(DebugScopedValue* ds) { _debug_scope = ds; }
1289 #endif
1290 #ifdef HIGH_LEVEL_INTERPRETER
1291 bool high_level_interpreter_in_vm() { return _high_level_interpreter_in_vm; }
1292 void set_high_level_interpreter_in_vm(bool value) { _high_level_interpreter_in_vm = value; }
1293 #endif 1279 #endif
1294 1280
1295 // Exception handling for compiled methods 1281 // Exception handling for compiled methods
1296 oop exception_oop() const { return _exception_oop; } 1282 oop exception_oop() const { return _exception_oop; }
1297 address exception_pc() const { return _exception_pc; } 1283 address exception_pc() const { return _exception_pc; }
1371 static ByteSize thread_state_offset() { return byte_offset_of(JavaThread, _thread_state ); } 1357 static ByteSize thread_state_offset() { return byte_offset_of(JavaThread, _thread_state ); }
1372 static ByteSize saved_exception_pc_offset() { return byte_offset_of(JavaThread, _saved_exception_pc ); } 1358 static ByteSize saved_exception_pc_offset() { return byte_offset_of(JavaThread, _saved_exception_pc ); }
1373 static ByteSize osthread_offset() { return byte_offset_of(JavaThread, _osthread ); } 1359 static ByteSize osthread_offset() { return byte_offset_of(JavaThread, _osthread ); }
1374 #ifdef GRAAL 1360 #ifdef GRAAL
1375 static ByteSize graal_alternate_call_target_offset() { return byte_offset_of(JavaThread, _graal_alternate_call_target); } 1361 static ByteSize graal_alternate_call_target_offset() { return byte_offset_of(JavaThread, _graal_alternate_call_target); }
1376 #endif
1377 #ifdef HIGH_LEVEL_INTERPRETER
1378 static ByteSize high_level_interpreter_in_vm_offset() { return byte_offset_of(JavaThread, _high_level_interpreter_in_vm); }
1379 #endif 1362 #endif
1380 static ByteSize exception_oop_offset() { return byte_offset_of(JavaThread, _exception_oop ); } 1363 static ByteSize exception_oop_offset() { return byte_offset_of(JavaThread, _exception_oop ); }
1381 static ByteSize exception_pc_offset() { return byte_offset_of(JavaThread, _exception_pc ); } 1364 static ByteSize exception_pc_offset() { return byte_offset_of(JavaThread, _exception_pc ); }
1382 static ByteSize exception_handler_pc_offset() { return byte_offset_of(JavaThread, _exception_handler_pc); } 1365 static ByteSize exception_handler_pc_offset() { return byte_offset_of(JavaThread, _exception_handler_pc); }
1383 static ByteSize is_method_handle_return_offset() { return byte_offset_of(JavaThread, _is_method_handle_return); } 1366 static ByteSize is_method_handle_return_offset() { return byte_offset_of(JavaThread, _is_method_handle_return); }
1830 class CompilerThread : public JavaThread { 1813 class CompilerThread : public JavaThread {
1831 friend class VMStructs; 1814 friend class VMStructs;
1832 private: 1815 private:
1833 CompilerCounters* _counters; 1816 CompilerCounters* _counters;
1834 1817
1818 ciEnv* _env;
1835 CompileLog* _log; 1819 CompileLog* _log;
1836 CompileTask* _task; 1820 CompileTask* _task;
1837 CompileQueue* _queue; 1821 CompileQueue* _queue;
1838 1822
1839 1823
1843 1827
1844 CompilerThread(CompileQueue* queue, CompilerCounters* counters); 1828 CompilerThread(CompileQueue* queue, CompilerCounters* counters);
1845 1829
1846 bool is_Compiler_thread() const { return true; } 1830 bool is_Compiler_thread() const { return true; }
1847 // Hide this compiler thread from external view. 1831 // Hide this compiler thread from external view.
1848 // (thomaswue) For Graal, the compiler thread should be visible. 1832 bool is_hidden_from_external_view() const { return true; }
1849 bool is_hidden_from_external_view() const {
1850 #ifdef GRAALVM
1851 return !DebugGraal;
1852 #else
1853 return true;
1854 #endif
1855 }
1856 1833
1857 CompileQueue* queue() { return _queue; } 1834 CompileQueue* queue() { return _queue; }
1858 CompilerCounters* counters() { return _counters; } 1835 CompilerCounters* counters() { return _counters; }
1836
1837 // Get/set the thread's compilation environment.
1838 ciEnv* env() { return _env; }
1839 void set_env(ciEnv* env) { _env = env; }
1859 1840
1860 // Get/set the thread's logging information 1841 // Get/set the thread's logging information
1861 CompileLog* log() { return _log; } 1842 CompileLog* log() { return _log; }
1862 void init_log(CompileLog* log) { 1843 void init_log(CompileLog* log) {
1863 // Set once, for good. 1844 // Set once, for good.