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comparison src/share/vm/graal/graalCompiler.cpp @ 5129:51111665eda6

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Support for recording a leaf graph id for each deoptimization point in the debug info.
author Lukas Stadler <lukas.stadler@jku.at>
date Wed, 21 Mar 2012 10:47:02 +0100
parents 5e9f38419819
children ab038e0d6b43
comparison
equal deleted inserted replaced
5128:e2da6471a9a1 5129:51111665eda6
45 45
46 ThreadToNativeFromVM trans(JavaThread::current()); 46 ThreadToNativeFromVM trans(JavaThread::current());
47 JavaThread* THREAD = JavaThread::current(); 47 JavaThread* THREAD = JavaThread::current();
48 TRACE_graal_1("GraalCompiler::initialize"); 48 TRACE_graal_1("GraalCompiler::initialize");
49 49
50 _deopted_leaf_graph_count = 0;
51
50 initialize_buffer_blob(); 52 initialize_buffer_blob();
51 Runtime1::initialize(THREAD->get_buffer_blob()); 53 Runtime1::initialize(THREAD->get_buffer_blob());
52 54
53 JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment(); 55 JNIEnv *env = ((JavaThread *) Thread::current())->jni_environment();
54 jclass klass = env->FindClass("com/oracle/graal/hotspot/bridge/CompilerToVMImpl"); 56 jclass klass = env->FindClass("com/oracle/graal/hotspot/bridge/CompilerToVMImpl");
87 if (BootstrapGraal) { 89 if (BootstrapGraal) {
88 VMToCompiler::bootstrap(); 90 VMToCompiler::bootstrap();
89 } 91 }
90 } 92 }
91 } 93 }
94 }
95
96 void GraalCompiler::deopt_leaf_graph(jlong leaf_graph_id) {
97 assert(leaf_graph_id != -1, "unexpected leaf graph id");
98
99 if (_deopted_leaf_graph_count < LEAF_GRAPH_ARRAY_SIZE) {
100 MutexLockerEx y(GraalDeoptLeafGraphIds_lock, Mutex::_no_safepoint_check_flag);
101 if (_deopted_leaf_graph_count < LEAF_GRAPH_ARRAY_SIZE) {
102 _deopted_leaf_graphs[_deopted_leaf_graph_count++] = leaf_graph_id;
103 }
104 }
105 }
106
107 oop GraalCompiler::dump_deopted_leaf_graphs(TRAPS) {
108 if (_deopted_leaf_graph_count == 0) {
109 return NULL;
110 }
111 jlong* elements;
112 int length;
113 {
114 MutexLockerEx y(GraalDeoptLeafGraphIds_lock, Mutex::_no_safepoint_check_flag);
115 if (_deopted_leaf_graph_count == 0) {
116 return NULL;
117 }
118 if (_deopted_leaf_graph_count == LEAF_GRAPH_ARRAY_SIZE) {
119 length = 0;
120 } else {
121 length = _deopted_leaf_graph_count;
122 }
123 elements = new jlong[length];
124 for (int i = 0; i < length; i++) {
125 elements[i] = _deopted_leaf_graphs[i];
126 }
127 _deopted_leaf_graph_count = 0;
128 }
129 typeArrayOop array = oopFactory::new_longArray(length, CHECK_NULL);
130 for (int i = 0; i < length; i++) {
131 array->long_at_put(i, elements[i]);
132 }
133 delete elements;
134 return array;
92 } 135 }
93 136
94 void GraalCompiler::initialize_buffer_blob() { 137 void GraalCompiler::initialize_buffer_blob() {
95 138
96 JavaThread* THREAD = JavaThread::current(); 139 JavaThread* THREAD = JavaThread::current();