wasm-code-manager.h | Explore in Territory

// Copyright 2017 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.

#if !V8_ENABLE_WEBASSEMBLY
#error This header should only be included if WebAssembly is enabled.
#endif  // !V8_ENABLE_WEBASSEMBLY

#ifndef V8_WASM_WASM_CODE_MANAGER_H_
#define V8_WASM_WASM_CODE_MANAGER_H_

#include <atomic>
#include <map>
#include <memory>
#include <set>
#include <utility>
#include <vector>

#include "src/base/address-region.h"
#include "src/base/bit-field.h"
#include "src/base/macros.h"
#include "src/base/vector.h"
#include "src/builtins/builtins.h"
#include "src/codegen/safepoint-table.h"
#include "src/codegen/source-position.h"
#include "src/handles/handles.h"
#include "src/tasks/operations-barrier.h"
#include "src/trap-handler/trap-handler.h"
#include "src/wasm/compilation-environment.h"
#include "src/wasm/wasm-features.h"
#include "src/wasm/wasm-limits.h"
#include "src/wasm/wasm-module-sourcemap.h"
#include "src/wasm/wasm-tier.h"

namespace v8 {
class CFunctionInfo;
namespace internal {

class InstructionStream;
class CodeDesc;
class Isolate;

namespace wasm {

class AssumptionsJournal;
class DebugInfo;
class NamesProvider;
class NativeModule;
struct WasmCompilationResult;
class WasmEngine;
class WasmImportWrapperCache;
struct WasmModule;
enum class WellKnownImport : uint8_t;

// Sorted, disjoint and non-overlapping memory regions. A region is of the
// form [start, end). So there's no [start, end), [end, other_end),
// because that should have been reduced to [start, other_end).
class V8_EXPORT_PRIVATE DisjointAllocationPool final { … };

class V8_EXPORT_PRIVATE WasmCode final { … };

WasmCode::Kind GetCodeKind(const WasmCompilationResult& result);

// Return a textual description of the kind.
const char* GetWasmCodeKindAsString(WasmCode::Kind);

// Manages the code reservations and allocations of a single {NativeModule}.
class WasmCodeAllocator { … };

class V8_EXPORT_PRIVATE NativeModule final { … };

class V8_EXPORT_PRIVATE WasmCodeManager final { … };

// {WasmCodeRefScope}s form a perfect stack. New {WasmCode} pointers generated
// by e.g. creating new code or looking up code by its address are added to the
// top-most {WasmCodeRefScope}.
class V8_EXPORT_PRIVATE V8_NODISCARD WasmCodeRefScope { … };

// Similarly to a global handle, a {GlobalWasmCodeRef} stores a single
// ref-counted pointer to a {WasmCode} object.
class GlobalWasmCodeRef { … };

class WasmCodeLookupCache final { … };

}  // namespace wasm
}  // namespace internal
}  // namespace v8

#endif  // V8_WASM_WASM_CODE_MANAGER_H_
chromium/v8/src/wasm/wasm-code-manager.h
