mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-02-01 05:01:59 +01:00
25530694a8
Any addresses that we pass to llvm-symbolizer are going to be untagged, while any HWASAN instrumented globals are going to be tagged in the symbol table. Therefore we need to untag the addresses before using them. Differential Revision: https://reviews.llvm.org/D65769 llvm-svn: 367926
99 lines
3.7 KiB
C++
99 lines
3.7 KiB
C++
//===- SymbolizableObjectFile.h ---------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file declares the SymbolizableObjectFile class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#ifndef LLVM_LIB_DEBUGINFO_SYMBOLIZE_SYMBOLIZABLEOBJECTFILE_H
|
|
#define LLVM_LIB_DEBUGINFO_SYMBOLIZE_SYMBOLIZABLEOBJECTFILE_H
|
|
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/DebugInfo/DIContext.h"
|
|
#include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"
|
|
#include "llvm/Support/ErrorOr.h"
|
|
#include <cstdint>
|
|
#include <map>
|
|
#include <memory>
|
|
#include <string>
|
|
#include <system_error>
|
|
|
|
namespace llvm {
|
|
|
|
class DataExtractor;
|
|
|
|
namespace symbolize {
|
|
|
|
class SymbolizableObjectFile : public SymbolizableModule {
|
|
public:
|
|
static ErrorOr<std::unique_ptr<SymbolizableObjectFile>>
|
|
create(const object::ObjectFile *Obj, std::unique_ptr<DIContext> DICtx,
|
|
bool UntagAddresses);
|
|
|
|
DILineInfo symbolizeCode(object::SectionedAddress ModuleOffset,
|
|
FunctionNameKind FNKind,
|
|
bool UseSymbolTable) const override;
|
|
DIInliningInfo symbolizeInlinedCode(object::SectionedAddress ModuleOffset,
|
|
FunctionNameKind FNKind,
|
|
bool UseSymbolTable) const override;
|
|
DIGlobal symbolizeData(object::SectionedAddress ModuleOffset) const override;
|
|
std::vector<DILocal>
|
|
symbolizeFrame(object::SectionedAddress ModuleOffset) const override;
|
|
|
|
// Return true if this is a 32-bit x86 PE COFF module.
|
|
bool isWin32Module() const override;
|
|
|
|
// Returns the preferred base of the module, i.e. where the loader would place
|
|
// it in memory assuming there were no conflicts.
|
|
uint64_t getModulePreferredBase() const override;
|
|
|
|
private:
|
|
bool shouldOverrideWithSymbolTable(FunctionNameKind FNKind,
|
|
bool UseSymbolTable) const;
|
|
|
|
bool getNameFromSymbolTable(object::SymbolRef::Type Type, uint64_t Address,
|
|
std::string &Name, uint64_t &Addr,
|
|
uint64_t &Size) const;
|
|
// For big-endian PowerPC64 ELF, OpdAddress is the address of the .opd
|
|
// (function descriptor) section and OpdExtractor refers to its contents.
|
|
std::error_code addSymbol(const object::SymbolRef &Symbol,
|
|
uint64_t SymbolSize,
|
|
DataExtractor *OpdExtractor = nullptr,
|
|
uint64_t OpdAddress = 0);
|
|
std::error_code addCoffExportSymbols(const object::COFFObjectFile *CoffObj);
|
|
|
|
/// Search for the first occurence of specified Address in ObjectFile.
|
|
uint64_t getModuleSectionIndexForAddress(uint64_t Address) const;
|
|
|
|
const object::ObjectFile *Module;
|
|
std::unique_ptr<DIContext> DebugInfoContext;
|
|
bool UntagAddresses;
|
|
|
|
struct SymbolDesc {
|
|
uint64_t Addr;
|
|
// If size is 0, assume that symbol occupies the whole memory range up to
|
|
// the following symbol.
|
|
uint64_t Size;
|
|
|
|
bool operator<(const SymbolDesc &RHS) const {
|
|
return Addr != RHS.Addr ? Addr < RHS.Addr : Size < RHS.Size;
|
|
}
|
|
};
|
|
std::vector<std::pair<SymbolDesc, StringRef>> Functions;
|
|
std::vector<std::pair<SymbolDesc, StringRef>> Objects;
|
|
|
|
SymbolizableObjectFile(const object::ObjectFile *Obj,
|
|
std::unique_ptr<DIContext> DICtx,
|
|
bool UntagAddresses);
|
|
};
|
|
|
|
} // end namespace symbolize
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_LIB_DEBUGINFO_SYMBOLIZE_SYMBOLIZABLEOBJECTFILE_H
|