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// Copyright 2016 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_PROFILER_PROFILER_LISTENER_H_
#define V8_PROFILER_PROFILER_LISTENER_H_
#include <memory>
#include <vector>
#include "src/code-events.h"
#include "src/profiler/profile-generator.h"
namespace v8 {
namespace internal {
class CodeEventsContainer;
class CodeDeoptEventRecord;
class CodeEventObserver {
public:
virtual void CodeEventHandler(const CodeEventsContainer& evt_rec) = 0;
virtual ~CodeEventObserver() = default;
};
class ProfilerListener : public CodeEventListener {
public:
ProfilerListener(Isolate*, CodeEventObserver*);
~ProfilerListener() override;
void CallbackEvent(Name* name, Address entry_point) override;
void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag,
AbstractCode* code, const char* comment) override;
void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag,
AbstractCode* code, Name* name) override;
void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag,
AbstractCode* code, SharedFunctionInfo* shared,
Name* script_name) override;
void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag,
AbstractCode* code, SharedFunctionInfo* shared,
Name* script_name, int line, int column) override;
void CodeCreateEvent(CodeEventListener::LogEventsAndTags tag,
const wasm::WasmCode* code,
wasm::WasmName name) override;
void CodeMovingGCEvent() override {}
void CodeMoveEvent(AbstractCode* from, AbstractCode* to) override;
void CodeDisableOptEvent(AbstractCode* code,
SharedFunctionInfo* shared) override;
void CodeDeoptEvent(Code* code, DeoptimizeKind kind, Address pc,
int fp_to_sp_delta) override;
void GetterCallbackEvent(Name* name, Address entry_point) override;
void RegExpCodeCreateEvent(AbstractCode* code, String* source) override;
void SetterCallbackEvent(Name* name, Address entry_point) override;
void SharedFunctionInfoMoveEvent(Address from, Address to) override {}
CodeEntry* NewCodeEntry(
CodeEventListener::LogEventsAndTags tag, const char* name,
const char* resource_name = CodeEntry::kEmptyResourceName,
int line_number = v8::CpuProfileNode::kNoLineNumberInfo,
int column_number = v8::CpuProfileNode::kNoColumnNumberInfo,
std::unique_ptr<SourcePositionTable> line_info = nullptr,
Address instruction_start = kNullAddress);
const char* GetName(Name* name) {
return function_and_resource_names_.GetName(name);
}
const char* GetName(int args_count) {
return function_and_resource_names_.GetName(args_count);
}
const char* GetName(const char* name) {
return function_and_resource_names_.GetCopy(name);
}
const char* GetConsName(const char* prefix, Name* name) {
return function_and_resource_names_.GetConsName(prefix, name);
}
private:
void RecordInliningInfo(CodeEntry* entry, AbstractCode* abstract_code);
void AttachDeoptInlinedFrames(Code* code, CodeDeoptEventRecord* rec);
Name* InferScriptName(Name* name, SharedFunctionInfo* info);
V8_INLINE void DispatchCodeEvent(const CodeEventsContainer& evt_rec) {
observer_->CodeEventHandler(evt_rec);
}
Isolate* isolate_;
CodeEventObserver* observer_;
StringsStorage function_and_resource_names_;
DISALLOW_COPY_AND_ASSIGN(ProfilerListener);
};
} // namespace internal
} // namespace v8
#endif // V8_PROFILER_PROFILER_LISTENER_H_