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// Copyright 2022 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_MAGLEV_MAGLEV_CODE_GENERATOR_H_
#define V8_MAGLEV_MAGLEV_CODE_GENERATOR_H_
#include "src/codegen/maglev-safepoint-table.h"
#include "src/common/globals.h"
#include "src/deoptimizer/translation-array.h"
#include "src/maglev/maglev-assembler.h"
#include "src/maglev/maglev-code-gen-state.h"
#include "src/utils/identity-map.h"
namespace v8 {
namespace internal {
namespace maglev {
class Graph;
class MaglevCompilationInfo;
class MaglevCodeGenerator final {
public:
MaglevCodeGenerator(LocalIsolate* isolate,
MaglevCompilationInfo* compilation_info, Graph* graph);
void Assemble();
MaybeHandle<Code> Generate(Isolate* isolate);
private:
void EmitCode();
void EmitDeferredCode();
void EmitDeopts();
void EmitExceptionHandlerTrampolines();
void EmitMetadata();
void RecordInlinedFunctions();
MaybeHandle<Code> BuildCodeObject(Isolate* isolate);
Handle<DeoptimizationData> GenerateDeoptimizationData(Isolate* isolate);
int stack_slot_count() const { return code_gen_state_.stack_slots(); }
int stack_slot_count_with_fixed_frame() const {
return stack_slot_count() + StandardFrameConstants::kFixedSlotCount;
}
MaglevAssembler* masm() { return &masm_; }
LocalIsolate* local_isolate_;
MaglevSafepointTableBuilder safepoint_table_builder_;
TranslationArrayBuilder translation_array_builder_;
MaglevCodeGenState code_gen_state_;
MaglevAssembler masm_;
Graph* const graph_;
IdentityMap<int, base::DefaultAllocationPolicy> deopt_literals_;
int deopt_exit_start_offset_ = -1;
int handler_table_offset_ = 0;
int inlined_function_count_ = 0;
bool code_gen_failed_ = false;
};
} // namespace maglev
} // namespace internal
} // namespace v8
#endif // V8_MAGLEV_MAGLEV_CODE_GENERATOR_H_
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