// Copyright 2010 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_EXECUTION_VM_STATE_INL_H_ #define V8_EXECUTION_VM_STATE_INL_H_ #include "src/execution/isolate.h" #include "src/execution/simulator.h" #include "src/execution/vm-state.h" #include "src/logging/log.h" #include "src/tracing/trace-event.h" namespace v8 { namespace internal { // VMState class implementation. A simple stack of VM states held by the logger // and partially threaded through the call stack. States are pushed by VMState // construction and popped by destruction. inline const char* StateToString(StateTag state) { switch (state) { case JS: return "JS"; case GC: return "GC"; case PARSER: return "PARSER"; case BYTECODE_COMPILER: return "BYTECODE_COMPILER"; case COMPILER: return "COMPILER"; case OTHER: return "OTHER"; case EXTERNAL: return "EXTERNAL"; case ATOMICS_WAIT: return "ATOMICS_WAIT"; case IDLE: return "IDLE"; } } template <StateTag Tag> VMState<Tag>::VMState(Isolate* isolate) : isolate_(isolate), previous_tag_(isolate->current_vm_state()) { isolate_->set_current_vm_state(Tag); } template <StateTag Tag> VMState<Tag>::~VMState() { isolate_->set_current_vm_state(previous_tag_); } ExternalCallbackScope::ExternalCallbackScope(Isolate* isolate, Address callback) : isolate_(isolate), callback_(callback), previous_scope_(isolate->external_callback_scope()) { #ifdef USE_SIMULATOR scope_address_ = Simulator::current(isolate)->get_sp(); #endif isolate_->set_external_callback_scope(this); TRACE_EVENT_BEGIN0(TRACE_DISABLED_BY_DEFAULT("v8.runtime"), "V8.ExternalCallback"); } ExternalCallbackScope::~ExternalCallbackScope() { isolate_->set_external_callback_scope(previous_scope_); TRACE_EVENT_END0(TRACE_DISABLED_BY_DEFAULT("v8.runtime"), "V8.ExternalCallback"); } Address ExternalCallbackScope::scope_address() { #ifdef USE_SIMULATOR return scope_address_; #else return reinterpret_cast<Address>(this); #endif } } // namespace internal } // namespace v8 #endif // V8_EXECUTION_VM_STATE_INL_H_