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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_EXTERNAL_REFERENCE_TABLE_H_
#define V8_EXTERNAL_REFERENCE_TABLE_H_
#include <vector>
#include "src/address-map.h"
#include "src/builtins/builtins.h"
namespace v8 {
namespace internal {
class Isolate;
// ExternalReferenceTable is a helper class that defines the relationship
// between external references and their encodings. It is used to build
// hashmaps in ExternalReferenceEncoder and ExternalReferenceDecoder.
class ExternalReferenceTable {
public:
static ExternalReferenceTable* instance(Isolate* isolate);
uint32_t size() const { return static_cast<uint32_t>(refs_.size()); }
Address address(uint32_t i) { return refs_[i].address; }
const char* name(uint32_t i) { return refs_[i].name; }
static const char* ResolveSymbol(void* address);
private:
struct ExternalReferenceEntry {
Address address;
const char* name;
ExternalReferenceEntry(Address address, const char* name)
: address(address), name(name) {}
};
explicit ExternalReferenceTable(Isolate* isolate);
void Add(Address address, const char* name);
void AddReferences(Isolate* isolate);
void AddBuiltins(Isolate* isolate);
void AddRuntimeFunctions(Isolate* isolate);
void AddIsolateAddresses(Isolate* isolate);
void AddAccessors(Isolate* isolate);
void AddStubCache(Isolate* isolate);
std::vector<ExternalReferenceEntry> refs_;
DISALLOW_COPY_AND_ASSIGN(ExternalReferenceTable);
};
} // namespace internal
} // namespace v8
#endif // V8_EXTERNAL_REFERENCE_TABLE_H_