truffle: src/share/vm/ci/ciEnv.cpp comparison

comparison src/share/vm/ci/ciEnv.cpp @ 14518:d8041d695d19

Merged with jdk9/dev/hotspot changeset 3812c088b945

author	twisti
date	Tue, 11 Mar 2014 18:45:59 -0700
parents	02f27ecb4f3a 96d2c94bbdd0
children	4ca6dc0799b6

comparison

equal deleted inserted replaced

-:f97c5ec83832
+:d8041d695d19
 _ArrayIndexOutOfBoundsException_instance = NULL;
 _ArrayStoreException_instance = NULL;
 _ClassCastException_instance = NULL;
 _the_null_string = NULL;
 _the_min_jint_string = NULL;
+_jvmti_can_hotswap_or_post_breakpoint = false;
+_jvmti_can_access_local_variables = false;
+_jvmti_can_post_on_exceptions = false;
+_jvmti_can_pop_frame = false;
 }
 ciEnv::ciEnv(Arena* arena) {
 ASSERT_IN_VM;
 _ArrayIndexOutOfBoundsException_instance = NULL;
 _ArrayStoreException_instance = NULL;
 _ClassCastException_instance = NULL;
 _the_null_string = NULL;
 _the_min_jint_string = NULL;
+_jvmti_can_hotswap_or_post_breakpoint = false;
+_jvmti_can_access_local_variables = false;
+_jvmti_can_post_on_exceptions = false;
+_jvmti_can_pop_frame = false;
 }
 ciEnv::~ciEnv() {
 CompilerThread* current_thread = CompilerThread::current();
 _factory->remove_symbols();
 // Get Jvmti capabilities under lock to get consistant values.
 MutexLocker mu(JvmtiThreadState_lock);
 _jvmti_can_hotswap_or_post_breakpoint = JvmtiExport::can_hotswap_or_post_breakpoint();
 _jvmti_can_access_local_variables     = JvmtiExport::can_access_local_variables();
 _jvmti_can_post_on_exceptions         = JvmtiExport::can_post_on_exceptions();
+_jvmti_can_pop_frame                  = JvmtiExport::can_pop_frame();
+}
+bool ciEnv::should_retain_local_variables() const {
+return _jvmti_can_access_local_variables || _jvmti_can_pop_frame;
+}
+bool ciEnv::jvmti_state_changed() const {
+if (!_jvmti_can_access_local_variables &&
+JvmtiExport::can_access_local_variables()) {
+return true;
+}
+if (!_jvmti_can_hotswap_or_post_breakpoint &&
+JvmtiExport::can_hotswap_or_post_breakpoint()) {
+return true;
+}
+if (!_jvmti_can_post_on_exceptions &&
+JvmtiExport::can_post_on_exceptions()) {
+return true;
+}
+if (!_jvmti_can_pop_frame &&
+JvmtiExport::can_pop_frame()) {
+return true;
+}
+return false;
 }
 // ------------------------------------------------------------------
 // Cache DTrace flags
 void ciEnv::cache_dtrace_flags() {
 // No safepoints are allowed. Otherwise, class redefinition can occur in between.
 MutexLocker ml(Compile_lock);
 No_Safepoint_Verifier nsv;
 // Change in Jvmti state may invalidate compilation.
-if (!failing() &&
+if (!failing() && jvmti_state_changed()) {
-( (!jvmti_can_hotswap_or_post_breakpoint() &&
-JvmtiExport::can_hotswap_or_post_breakpoint()) ||
-(!jvmti_can_access_local_variables() &&
-JvmtiExport::can_access_local_variables()) ||
-(!jvmti_can_post_on_exceptions() &&
-JvmtiExport::can_post_on_exceptions()) )) {
 record_failure("Jvmti state change invalidated dependencies");
 }
 // Change in DTrace flags may invalidate compilation.
 if (!failing() &&
 // ------------------------------------------------------------------
 // ciEnv::dump_replay_data*
 // Don't change thread state and acquire any locks.
 // Safe to call from VM error reporter.
+void ciEnv::dump_compile_data(outputStream* out) {
+CompileTask* task = this->task();
+Method* method = task->method();
+int entry_bci = task->osr_bci();
+int comp_level = task->comp_level();
+out->print("compile %s %s %s %d %d",
+method->klass_name()->as_quoted_ascii(),
+method->name()->as_quoted_ascii(),
+method->signature()->as_quoted_ascii(),
+entry_bci, comp_level);
+if (compiler_data() != NULL) {
+if (is_c2_compile(comp_level)) { // C2 or Shark
+#ifdef COMPILER2
+// Dump C2 inlining data.
+((Compile*)compiler_data())->dump_inline_data(out);
+#endif
+} else if (is_c1_compile(comp_level)) { // C1
+#ifdef COMPILER1
+// Dump C1 inlining data.
+((Compilation*)compiler_data())->dump_inline_data(out);
+#endif
+}
+}
+out->cr();
+}
 void ciEnv::dump_replay_data_unsafe(outputStream* out) {
 ResourceMark rm;
 #if INCLUDE_JVMTI
 out->print_cr("JvmtiExport can_access_local_variables %d",     _jvmti_can_access_local_variables);
 out->print_cr("JvmtiExport can_hotswap_or_post_breakpoint %d", _jvmti_can_hotswap_or_post_breakpoint);
 GrowableArray<ciMetadata*>* objects = _factory->get_ci_metadata();
 out->print_cr("# %d ciObject found", objects->length());
 for (int i = 0; i < objects->length(); i++) {
 objects->at(i)->dump_replay_data(out);
 }
-CompileTask* task = this->task();
+dump_compile_data(out);
-Method* method = task->method();
-int entry_bci = task->osr_bci();
-int comp_level = task->comp_level();
-// Klass holder = method->method_holder();
-out->print_cr("compile %s %s %s %d %d",
-method->klass_name()->as_quoted_ascii(),
-method->name()->as_quoted_ascii(),
-method->signature()->as_quoted_ascii(),
-entry_bci, comp_level);
 out->flush();
 }
 void ciEnv::dump_replay_data(outputStream* out) {
 GUARDED_VM_ENTRY(
 MutexLocker ml(Compile_lock);
 dump_replay_data_unsafe(out);
 )
 }
+void ciEnv::dump_replay_data(int compile_id) {
+static char buffer[O_BUFLEN];
+int ret = jio_snprintf(buffer, O_BUFLEN, "replay_pid%p_compid%d.log", os::current_process_id(), compile_id);
+if (ret > 0) {
+int fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
+if (fd != -1) {
+FILE* replay_data_file = os::open(fd, "w");
+if (replay_data_file != NULL) {
+fileStream replay_data_stream(replay_data_file, /*need_close=*/true);
+dump_replay_data(&replay_data_stream);
+tty->print("# Compiler replay data is saved as: ");
+tty->print_cr(buffer);
+} else {
+tty->print_cr("# Can't open file to dump replay data.");
+}
+}
+}
+}
+void ciEnv::dump_inline_data(int compile_id) {
+static char buffer[O_BUFLEN];
+int ret = jio_snprintf(buffer, O_BUFLEN, "inline_pid%p_compid%d.log", os::current_process_id(), compile_id);
+if (ret > 0) {
+int fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
+if (fd != -1) {
+FILE* inline_data_file = os::open(fd, "w");
+if (inline_data_file != NULL) {
+fileStream replay_data_stream(inline_data_file, /*need_close=*/true);
+GUARDED_VM_ENTRY(
+MutexLocker ml(Compile_lock);
+dump_compile_data(&replay_data_stream);
+)
+replay_data_stream.flush();
+tty->print("# Compiler inline data is saved as: ");
+tty->print_cr(buffer);
+} else {
+tty->print_cr("# Can't open file to dump inline data.");
+}
+}
+}
+}

Mercurial > hg > truffle

comparison src/share/vm/ci/ciEnv.cpp @ 14518:d8041d695d19