chromium/v8/src/wasm/wasm-deopt-data.h

// Copyright 2024 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_WASM_WASM_DEOPT_DATA_H_
#define V8_WASM_WASM_DEOPT_DATA_H_
#if !V8_ENABLE_WEBASSEMBLY
#error This header should only be included if WebAssembly is enabled.
#endif  // !V8_ENABLE_WEBASSEMBLY

#include "src/base/memory.h"
#include "src/utils/utils.h"
#include "src/wasm/baseline/liftoff-varstate.h"
#include "src/zone/zone-containers.h"

namespace v8::internal {
class DeoptimizationLiteral;
}

namespace v8::internal::wasm {

// The "header" of the full deopt data for an optimized wasm function containing
// overall counts used to access the unerlying translated values, literals etc.
struct WasmDeoptData { … };

struct WasmDeoptEntry { … };

// A view to access the deopt data stored in the WasmCode's metadata as raw
// bytes.
class WasmDeoptView { … };

class WasmDeoptDataProcessor { … };

// All the information needed by the deoptimizer to know what the Liftoff frame
// has to look like.
struct LiftoffFrameDescriptionForDeopt { … };

}  // namespace v8::internal::wasm
#endif  // V8_WASM_WASM_DEOPT_DATA_H_