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//===-- LLVMSymbolize.h ----------------------------------------- C++ -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Header for LLVM symbolization library.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SYMBOLIZE_H
#define LLVM_SYMBOLIZE_H
#include "llvm/ADT/OwningPtr.h"
#include "llvm/DebugInfo/DIContext.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/MemoryBuffer.h"
#include <map>
#include <string>
namespace llvm {
using namespace object;
namespace symbolize {
class ModuleInfo;
class LLVMSymbolizer {
public:
struct Options {
bool UseSymbolTable : 1;
bool PrintFunctions : 1;
bool PrintInlining : 1;
bool Demangle : 1;
Options(bool UseSymbolTable = true, bool PrintFunctions = true,
bool PrintInlining = true, bool Demangle = true)
: UseSymbolTable(UseSymbolTable),
PrintFunctions(PrintFunctions),
PrintInlining(PrintInlining),
Demangle(Demangle) { }
};
LLVMSymbolizer(const Options &Opts = Options()) : Opts(Opts) { }
// Returns the result of symbolization for module name/offset as
// a string (possibly containing newlines).
std::string symbolizeCode(const std::string &ModuleName,
uint64_t ModuleOffset);
std::string symbolizeData(const std::string &ModuleName,
uint64_t ModuleOffset);
private:
ModuleInfo *getOrCreateModuleInfo(const std::string &ModuleName);
std::string printDILineInfo(DILineInfo LineInfo) const;
void DemangleName(std::string &Name) const;
typedef std::map<std::string, ModuleInfo*> ModuleMapTy;
ModuleMapTy Modules;
Options Opts;
static const char kBadString[];
};
class ModuleInfo {
public:
ModuleInfo(ObjectFile *Obj, DIContext *DICtx);
DILineInfo symbolizeCode(
uint64_t ModuleOffset, const LLVMSymbolizer::Options& Opts) const;
DIInliningInfo symbolizeInlinedCode(
uint64_t ModuleOffset, const LLVMSymbolizer::Options& Opts) const;
bool symbolizeData(uint64_t ModuleOffset, std::string &Name,
uint64_t &Start, uint64_t &Size) const;
private:
bool getNameFromSymbolTable(SymbolRef::Type Type, uint64_t Address,
std::string &Name, uint64_t &Addr,
uint64_t &Size) const;
OwningPtr<ObjectFile> Module;
OwningPtr<DIContext> DebugInfoContext;
struct SymbolDesc {
uint64_t Addr;
uint64_t AddrEnd;
friend bool operator<(const SymbolDesc& s1, const SymbolDesc& s2) {
return s1.AddrEnd <= s2.Addr;
}
};
typedef std::map<SymbolDesc, StringRef> SymbolMapTy;
SymbolMapTy Functions;
SymbolMapTy Objects;
};
} // namespace symbolize
} // namespace llvm
#endif // LLVM_SYMBOLIZE_H
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