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//===- xray-extract.h - XRay Instrumentation Map Extraction ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Defines the interface for extracting the instrumentation map from an
// XRay-instrumented binary.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_XRAY_EXTRACT_H
#define LLVM_TOOLS_XRAY_EXTRACT_H
#include <deque>
#include <map>
#include <string>
#include <unordered_map>
#include "xray-sleds.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
namespace xray {
class InstrumentationMapExtractor {
public:
typedef std::unordered_map<int32_t, uint64_t> FunctionAddressMap;
typedef std::unordered_map<uint64_t, int32_t> FunctionAddressReverseMap;
enum class InputFormats { ELF, YAML };
private:
std::deque<SledEntry> Sleds;
FunctionAddressMap FunctionAddresses;
FunctionAddressReverseMap FunctionIds;
public:
/// Loads the instrumentation map from |Filename|. Updates |EC| in case there
/// were errors encountered opening the file. |Format| defines what the input
/// instrumentation map is in.
InstrumentationMapExtractor(std::string Filename, InputFormats Format,
Error &EC);
const FunctionAddressMap &getFunctionAddresses() { return FunctionAddresses; }
/// Exports the loaded function address map as YAML through |OS|.
void exportAsYAML(raw_ostream &OS);
};
} // namespace xray
} // namespace llvm
#endif // LLVM_TOOLS_XRAY_EXTRACT_H
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