mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
d29bdc72bb
Remove the use of the std::function and replace the capturing lambda with a non-capturing one, opting to pass the user data down to the context. This is needed as std::function is not yet available on all hosted platforms (it requires RTTI, which breaks on Windows). Thanks to Nico Rieck for pointing this out! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209607 91177308-0d34-0410-b5e6-96231b3b80d8
868 lines
33 KiB
C++
868 lines
33 KiB
C++
//===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file implements the COFF-specific dumper for llvm-readobj.
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///
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//===----------------------------------------------------------------------===//
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#include "llvm-readobj.h"
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#include "Error.h"
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#include "ObjDumper.h"
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#include "StreamWriter.h"
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#include "Win64EHDumper.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Object/COFF.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Support/COFF.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/DataExtractor.h"
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#include "llvm/Support/Format.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/Win64EH.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/system_error.h"
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#include <algorithm>
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#include <cstring>
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#include <time.h>
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using namespace llvm;
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using namespace llvm::object;
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using namespace llvm::Win64EH;
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namespace {
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class COFFDumper : public ObjDumper {
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public:
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COFFDumper(const llvm::object::COFFObjectFile *Obj, StreamWriter& Writer)
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: ObjDumper(Writer)
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, Obj(Obj) {
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cacheRelocations();
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}
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virtual void printFileHeaders() override;
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virtual void printSections() override;
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virtual void printRelocations() override;
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virtual void printSymbols() override;
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virtual void printDynamicSymbols() override;
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virtual void printUnwindInfo() override;
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private:
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void printSymbol(const SymbolRef &Sym);
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void printRelocation(const SectionRef &Section, const RelocationRef &Reloc);
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void printDataDirectory(uint32_t Index, const std::string &FieldName);
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template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
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void printBaseOfDataField(const pe32_header *Hdr);
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void printBaseOfDataField(const pe32plus_header *Hdr);
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void printCodeViewLineTables(const SectionRef &Section);
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void cacheRelocations();
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error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
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SymbolRef &Sym);
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error_code resolveSymbolName(const coff_section *Section, uint64_t Offset,
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StringRef &Name);
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typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
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const llvm::object::COFFObjectFile *Obj;
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RelocMapTy RelocMap;
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};
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} // namespace
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namespace llvm {
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error_code createCOFFDumper(const object::ObjectFile *Obj, StreamWriter &Writer,
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std::unique_ptr<ObjDumper> &Result) {
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const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
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if (!COFFObj)
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return readobj_error::unsupported_obj_file_format;
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Result.reset(new COFFDumper(COFFObj, Writer));
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return readobj_error::success;
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}
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} // namespace llvm
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// Given a a section and an offset into this section the function returns the
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// symbol used for the relocation at the offset.
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error_code COFFDumper::resolveSymbol(const coff_section *Section,
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uint64_t Offset, SymbolRef &Sym) {
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const auto &Relocations = RelocMap[Section];
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for (const auto &Relocation : Relocations) {
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uint64_t RelocationOffset;
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if (error_code EC = Relocation.getOffset(RelocationOffset))
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return EC;
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if (RelocationOffset == Offset) {
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Sym = *Relocation.getSymbol();
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return readobj_error::success;
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}
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}
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return readobj_error::unknown_symbol;
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}
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// Given a section and an offset into this section the function returns the name
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// of the symbol used for the relocation at the offset.
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error_code COFFDumper::resolveSymbolName(const coff_section *Section,
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uint64_t Offset, StringRef &Name) {
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SymbolRef Symbol;
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if (error_code EC = resolveSymbol(Section, Offset, Symbol))
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return EC;
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if (error_code EC = Symbol.getName(Name))
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return EC;
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return object_error::success;
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}
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static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2)
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};
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static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI )
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};
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static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ),
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};
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static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
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};
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static const EnumEntry<COFF::SectionCharacteristics>
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ImageSectionCharacteristics[] = {
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ),
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LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE )
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};
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static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = {
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{ "Null" , COFF::IMAGE_SYM_TYPE_NULL },
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{ "Void" , COFF::IMAGE_SYM_TYPE_VOID },
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{ "Char" , COFF::IMAGE_SYM_TYPE_CHAR },
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{ "Short" , COFF::IMAGE_SYM_TYPE_SHORT },
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{ "Int" , COFF::IMAGE_SYM_TYPE_INT },
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{ "Long" , COFF::IMAGE_SYM_TYPE_LONG },
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{ "Float" , COFF::IMAGE_SYM_TYPE_FLOAT },
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{ "Double", COFF::IMAGE_SYM_TYPE_DOUBLE },
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{ "Struct", COFF::IMAGE_SYM_TYPE_STRUCT },
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{ "Union" , COFF::IMAGE_SYM_TYPE_UNION },
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{ "Enum" , COFF::IMAGE_SYM_TYPE_ENUM },
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{ "MOE" , COFF::IMAGE_SYM_TYPE_MOE },
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{ "Byte" , COFF::IMAGE_SYM_TYPE_BYTE },
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{ "Word" , COFF::IMAGE_SYM_TYPE_WORD },
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{ "UInt" , COFF::IMAGE_SYM_TYPE_UINT },
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{ "DWord" , COFF::IMAGE_SYM_TYPE_DWORD }
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};
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static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = {
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{ "Null" , COFF::IMAGE_SYM_DTYPE_NULL },
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{ "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER },
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{ "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION },
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{ "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY }
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};
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static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = {
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{ "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION },
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{ "Null" , COFF::IMAGE_SYM_CLASS_NULL },
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{ "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC },
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{ "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL },
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{ "Static" , COFF::IMAGE_SYM_CLASS_STATIC },
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{ "Register" , COFF::IMAGE_SYM_CLASS_REGISTER },
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{ "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF },
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{ "Label" , COFF::IMAGE_SYM_CLASS_LABEL },
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{ "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL },
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{ "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT },
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{ "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT },
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{ "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG },
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{ "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION },
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{ "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG },
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{ "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION },
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{ "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC },
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{ "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG },
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{ "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM },
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{ "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM },
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{ "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD },
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{ "Block" , COFF::IMAGE_SYM_CLASS_BLOCK },
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{ "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION },
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{ "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT },
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{ "File" , COFF::IMAGE_SYM_CLASS_FILE },
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{ "Section" , COFF::IMAGE_SYM_CLASS_SECTION },
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{ "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL },
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{ "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN }
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};
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static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = {
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{ "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES },
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{ "Any" , COFF::IMAGE_COMDAT_SELECT_ANY },
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{ "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE },
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{ "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH },
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{ "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE },
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{ "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST },
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{ "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST }
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};
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static const EnumEntry<COFF::WeakExternalCharacteristics>
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WeakExternalCharacteristics[] = {
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{ "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY },
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{ "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY },
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{ "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
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};
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template<typename T>
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static error_code getSymbolAuxData(const COFFObjectFile *Obj,
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const coff_symbol *Symbol, const T* &Aux) {
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ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
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Aux = reinterpret_cast<const T*>(AuxData.data());
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return readobj_error::success;
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}
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void COFFDumper::cacheRelocations() {
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for (const SectionRef &S : Obj->sections()) {
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const coff_section *Section = Obj->getCOFFSection(S);
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for (const RelocationRef &Reloc : S.relocations())
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RelocMap[Section].push_back(Reloc);
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// Sort relocations by address.
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std::sort(RelocMap[Section].begin(), RelocMap[Section].end(),
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relocAddressLess);
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}
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}
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void COFFDumper::printDataDirectory(uint32_t Index, const std::string &FieldName) {
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const data_directory *Data;
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if (Obj->getDataDirectory(Index, Data))
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return;
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W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress);
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W.printHex(FieldName + "Size", Data->Size);
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}
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void COFFDumper::printFileHeaders() {
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// Print COFF header
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const coff_file_header *COFFHeader = nullptr;
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if (error(Obj->getCOFFHeader(COFFHeader)))
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return;
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time_t TDS = COFFHeader->TimeDateStamp;
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char FormattedTime[20] = { };
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strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
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{
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DictScope D(W, "ImageFileHeader");
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W.printEnum ("Machine", COFFHeader->Machine,
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makeArrayRef(ImageFileMachineType));
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W.printNumber("SectionCount", COFFHeader->NumberOfSections);
|
|
W.printHex ("TimeDateStamp", FormattedTime, COFFHeader->TimeDateStamp);
|
|
W.printHex ("PointerToSymbolTable", COFFHeader->PointerToSymbolTable);
|
|
W.printNumber("SymbolCount", COFFHeader->NumberOfSymbols);
|
|
W.printNumber("OptionalHeaderSize", COFFHeader->SizeOfOptionalHeader);
|
|
W.printFlags ("Characteristics", COFFHeader->Characteristics,
|
|
makeArrayRef(ImageFileCharacteristics));
|
|
}
|
|
|
|
// Print PE header. This header does not exist if this is an object file and
|
|
// not an executable.
|
|
const pe32_header *PEHeader = nullptr;
|
|
if (error(Obj->getPE32Header(PEHeader)))
|
|
return;
|
|
if (PEHeader)
|
|
printPEHeader<pe32_header>(PEHeader);
|
|
|
|
const pe32plus_header *PEPlusHeader = nullptr;
|
|
if (error(Obj->getPE32PlusHeader(PEPlusHeader)))
|
|
return;
|
|
if (PEPlusHeader)
|
|
printPEHeader<pe32plus_header>(PEPlusHeader);
|
|
}
|
|
|
|
template <class PEHeader>
|
|
void COFFDumper::printPEHeader(const PEHeader *Hdr) {
|
|
DictScope D(W, "ImageOptionalHeader");
|
|
W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion);
|
|
W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion);
|
|
W.printNumber("SizeOfCode", Hdr->SizeOfCode);
|
|
W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData);
|
|
W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData);
|
|
W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint);
|
|
W.printHex ("BaseOfCode", Hdr->BaseOfCode);
|
|
printBaseOfDataField(Hdr);
|
|
W.printHex ("ImageBase", Hdr->ImageBase);
|
|
W.printNumber("SectionAlignment", Hdr->SectionAlignment);
|
|
W.printNumber("FileAlignment", Hdr->FileAlignment);
|
|
W.printNumber("MajorOperatingSystemVersion",
|
|
Hdr->MajorOperatingSystemVersion);
|
|
W.printNumber("MinorOperatingSystemVersion",
|
|
Hdr->MinorOperatingSystemVersion);
|
|
W.printNumber("MajorImageVersion", Hdr->MajorImageVersion);
|
|
W.printNumber("MinorImageVersion", Hdr->MinorImageVersion);
|
|
W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion);
|
|
W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion);
|
|
W.printNumber("SizeOfImage", Hdr->SizeOfImage);
|
|
W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
|
|
W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
|
|
W.printFlags ("Subsystem", Hdr->DLLCharacteristics,
|
|
makeArrayRef(PEDLLCharacteristics));
|
|
W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve);
|
|
W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit);
|
|
W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve);
|
|
W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit);
|
|
W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize);
|
|
|
|
if (Hdr->NumberOfRvaAndSize > 0) {
|
|
DictScope D(W, "DataDirectory");
|
|
static const char * const directory[] = {
|
|
"ExportTable", "ImportTable", "ResourceTable", "ExceptionTable",
|
|
"CertificateTable", "BaseRelocationTable", "Debug", "Architecture",
|
|
"GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT",
|
|
"DelayImportDescriptor", "CLRRuntimeHeader", "Reserved"
|
|
};
|
|
|
|
for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i) {
|
|
printDataDirectory(i, directory[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) {
|
|
W.printHex("BaseOfData", Hdr->BaseOfData);
|
|
}
|
|
|
|
void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
|
|
|
|
void COFFDumper::printCodeViewLineTables(const SectionRef &Section) {
|
|
StringRef Data;
|
|
if (error(Section.getContents(Data)))
|
|
return;
|
|
|
|
SmallVector<StringRef, 10> FunctionNames;
|
|
StringMap<StringRef> FunctionLineTables;
|
|
StringRef FileIndexToStringOffsetTable;
|
|
StringRef StringTable;
|
|
|
|
ListScope D(W, "CodeViewLineTables");
|
|
{
|
|
DataExtractor DE(Data, true, 4);
|
|
uint32_t Offset = 0,
|
|
Magic = DE.getU32(&Offset);
|
|
W.printHex("Magic", Magic);
|
|
if (Magic != COFF::DEBUG_SECTION_MAGIC) {
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
bool Finished = false;
|
|
while (DE.isValidOffset(Offset) && !Finished) {
|
|
// The section consists of a number of subsection in the following format:
|
|
// |Type|PayloadSize|Payload...|
|
|
uint32_t SubSectionType = DE.getU32(&Offset),
|
|
PayloadSize = DE.getU32(&Offset);
|
|
ListScope S(W, "Subsection");
|
|
W.printHex("Type", SubSectionType);
|
|
W.printHex("PayloadSize", PayloadSize);
|
|
if (PayloadSize > Data.size() - Offset) {
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
// Print the raw contents to simplify debugging if anything goes wrong
|
|
// afterwards.
|
|
StringRef Contents = Data.substr(Offset, PayloadSize);
|
|
W.printBinaryBlock("Contents", Contents);
|
|
|
|
switch (SubSectionType) {
|
|
case COFF::DEBUG_LINE_TABLE_SUBSECTION: {
|
|
// Holds a PC to file:line table. Some data to parse this subsection is
|
|
// stored in the other subsections, so just check sanity and store the
|
|
// pointers for deferred processing.
|
|
|
|
if (PayloadSize < 12) {
|
|
// There should be at least three words to store two function
|
|
// relocations and size of the code.
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
StringRef FunctionName;
|
|
if (error(resolveSymbolName(Obj->getCOFFSection(Section), Offset,
|
|
FunctionName)))
|
|
return;
|
|
W.printString("FunctionName", FunctionName);
|
|
if (FunctionLineTables.count(FunctionName) != 0) {
|
|
// Saw debug info for this function already?
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
FunctionLineTables[FunctionName] = Contents;
|
|
FunctionNames.push_back(FunctionName);
|
|
break;
|
|
}
|
|
case COFF::DEBUG_STRING_TABLE_SUBSECTION:
|
|
if (PayloadSize == 0 || StringTable.data() != nullptr ||
|
|
Contents.back() != '\0') {
|
|
// Empty or duplicate or non-null-terminated subsection.
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
StringTable = Contents;
|
|
break;
|
|
case COFF::DEBUG_INDEX_SUBSECTION:
|
|
// Holds the translation table from file indices
|
|
// to offsets in the string table.
|
|
|
|
if (PayloadSize == 0 ||
|
|
FileIndexToStringOffsetTable.data() != nullptr) {
|
|
// Empty or duplicate subsection.
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
FileIndexToStringOffsetTable = Contents;
|
|
break;
|
|
}
|
|
Offset += PayloadSize;
|
|
|
|
// Align the reading pointer by 4.
|
|
Offset += (-Offset) % 4;
|
|
}
|
|
}
|
|
|
|
// Dump the line tables now that we've read all the subsections and know all
|
|
// the required information.
|
|
for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) {
|
|
StringRef Name = FunctionNames[I];
|
|
ListScope S(W, "FunctionLineTable");
|
|
W.printString("FunctionName", Name);
|
|
|
|
DataExtractor DE(FunctionLineTables[Name], true, 4);
|
|
uint32_t Offset = 8; // Skip relocations.
|
|
uint32_t FunctionSize = DE.getU32(&Offset);
|
|
W.printHex("CodeSize", FunctionSize);
|
|
while (DE.isValidOffset(Offset)) {
|
|
// For each range of lines with the same filename, we have a segment
|
|
// in the line table. The filename string is accessed using double
|
|
// indirection to the string table subsection using the index subsection.
|
|
uint32_t OffsetInIndex = DE.getU32(&Offset),
|
|
SegmentLength = DE.getU32(&Offset),
|
|
FullSegmentSize = DE.getU32(&Offset);
|
|
if (FullSegmentSize != 12 + 8 * SegmentLength) {
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
uint32_t FilenameOffset;
|
|
{
|
|
DataExtractor SDE(FileIndexToStringOffsetTable, true, 4);
|
|
uint32_t OffsetInSDE = OffsetInIndex;
|
|
if (!SDE.isValidOffset(OffsetInSDE)) {
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
FilenameOffset = SDE.getU32(&OffsetInSDE);
|
|
}
|
|
|
|
if (FilenameOffset == 0 || FilenameOffset + 1 >= StringTable.size() ||
|
|
StringTable.data()[FilenameOffset - 1] != '\0') {
|
|
// Each string in an F3 subsection should be preceded by a null
|
|
// character.
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
|
|
StringRef Filename(StringTable.data() + FilenameOffset);
|
|
ListScope S(W, "FilenameSegment");
|
|
W.printString("Filename", Filename);
|
|
for (unsigned J = 0; J != SegmentLength && DE.isValidOffset(Offset);
|
|
++J) {
|
|
// Then go the (PC, LineNumber) pairs. The line number is stored in the
|
|
// least significant 31 bits of the respective word in the table.
|
|
uint32_t PC = DE.getU32(&Offset),
|
|
LineNumber = DE.getU32(&Offset) & 0x7fffffff;
|
|
if (PC >= FunctionSize) {
|
|
error(object_error::parse_failed);
|
|
return;
|
|
}
|
|
char Buffer[32];
|
|
format("+0x%X", PC).snprint(Buffer, 32);
|
|
W.printNumber(Buffer, LineNumber);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printSections() {
|
|
ListScope SectionsD(W, "Sections");
|
|
int SectionNumber = 0;
|
|
for (const SectionRef &Sec : Obj->sections()) {
|
|
++SectionNumber;
|
|
const coff_section *Section = Obj->getCOFFSection(Sec);
|
|
|
|
StringRef Name;
|
|
if (error(Sec.getName(Name)))
|
|
Name = "";
|
|
|
|
DictScope D(W, "Section");
|
|
W.printNumber("Number", SectionNumber);
|
|
W.printBinary("Name", Name, Section->Name);
|
|
W.printHex ("VirtualSize", Section->VirtualSize);
|
|
W.printHex ("VirtualAddress", Section->VirtualAddress);
|
|
W.printNumber("RawDataSize", Section->SizeOfRawData);
|
|
W.printHex ("PointerToRawData", Section->PointerToRawData);
|
|
W.printHex ("PointerToRelocations", Section->PointerToRelocations);
|
|
W.printHex ("PointerToLineNumbers", Section->PointerToLinenumbers);
|
|
W.printNumber("RelocationCount", Section->NumberOfRelocations);
|
|
W.printNumber("LineNumberCount", Section->NumberOfLinenumbers);
|
|
W.printFlags ("Characteristics", Section->Characteristics,
|
|
makeArrayRef(ImageSectionCharacteristics),
|
|
COFF::SectionCharacteristics(0x00F00000));
|
|
|
|
if (opts::SectionRelocations) {
|
|
ListScope D(W, "Relocations");
|
|
for (const RelocationRef &Reloc : Sec.relocations())
|
|
printRelocation(Sec, Reloc);
|
|
}
|
|
|
|
if (opts::SectionSymbols) {
|
|
ListScope D(W, "Symbols");
|
|
for (const SymbolRef &Symbol : Obj->symbols()) {
|
|
bool Contained = false;
|
|
if (Sec.containsSymbol(Symbol, Contained) || !Contained)
|
|
continue;
|
|
|
|
printSymbol(Symbol);
|
|
}
|
|
}
|
|
|
|
if (Name == ".debug$S" && opts::CodeViewLineTables)
|
|
printCodeViewLineTables(Sec);
|
|
|
|
if (opts::SectionData) {
|
|
StringRef Data;
|
|
if (error(Sec.getContents(Data)))
|
|
break;
|
|
|
|
W.printBinaryBlock("SectionData", Data);
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printRelocations() {
|
|
ListScope D(W, "Relocations");
|
|
|
|
int SectionNumber = 0;
|
|
for (const SectionRef &Section : Obj->sections()) {
|
|
++SectionNumber;
|
|
StringRef Name;
|
|
if (error(Section.getName(Name)))
|
|
continue;
|
|
|
|
bool PrintedGroup = false;
|
|
for (const RelocationRef &Reloc : Section.relocations()) {
|
|
if (!PrintedGroup) {
|
|
W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
|
|
W.indent();
|
|
PrintedGroup = true;
|
|
}
|
|
|
|
printRelocation(Section, Reloc);
|
|
}
|
|
|
|
if (PrintedGroup) {
|
|
W.unindent();
|
|
W.startLine() << "}\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printRelocation(const SectionRef &Section,
|
|
const RelocationRef &Reloc) {
|
|
uint64_t Offset;
|
|
uint64_t RelocType;
|
|
SmallString<32> RelocName;
|
|
StringRef SymbolName;
|
|
StringRef Contents;
|
|
if (error(Reloc.getOffset(Offset)))
|
|
return;
|
|
if (error(Reloc.getType(RelocType)))
|
|
return;
|
|
if (error(Reloc.getTypeName(RelocName)))
|
|
return;
|
|
symbol_iterator Symbol = Reloc.getSymbol();
|
|
if (error(Symbol->getName(SymbolName)))
|
|
return;
|
|
if (error(Section.getContents(Contents)))
|
|
return;
|
|
|
|
if (opts::ExpandRelocs) {
|
|
DictScope Group(W, "Relocation");
|
|
W.printHex("Offset", Offset);
|
|
W.printNumber("Type", RelocName, RelocType);
|
|
W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
|
|
} else {
|
|
raw_ostream& OS = W.startLine();
|
|
OS << W.hex(Offset)
|
|
<< " " << RelocName
|
|
<< " " << (SymbolName.size() > 0 ? SymbolName : "-")
|
|
<< "\n";
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printSymbols() {
|
|
ListScope Group(W, "Symbols");
|
|
|
|
for (const SymbolRef &Symbol : Obj->symbols())
|
|
printSymbol(Symbol);
|
|
}
|
|
|
|
void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); }
|
|
|
|
void COFFDumper::printSymbol(const SymbolRef &Sym) {
|
|
DictScope D(W, "Symbol");
|
|
|
|
const coff_symbol *Symbol = Obj->getCOFFSymbol(Sym);
|
|
const coff_section *Section;
|
|
if (error_code EC = Obj->getSection(Symbol->SectionNumber, Section)) {
|
|
W.startLine() << "Invalid section number: " << EC.message() << "\n";
|
|
W.flush();
|
|
return;
|
|
}
|
|
|
|
StringRef SymbolName;
|
|
if (Obj->getSymbolName(Symbol, SymbolName))
|
|
SymbolName = "";
|
|
|
|
StringRef SectionName = "";
|
|
if (Section)
|
|
Obj->getSectionName(Section, SectionName);
|
|
|
|
W.printString("Name", SymbolName);
|
|
W.printNumber("Value", Symbol->Value);
|
|
W.printNumber("Section", SectionName, Symbol->SectionNumber);
|
|
W.printEnum ("BaseType", Symbol->getBaseType(), makeArrayRef(ImageSymType));
|
|
W.printEnum ("ComplexType", Symbol->getComplexType(),
|
|
makeArrayRef(ImageSymDType));
|
|
W.printEnum ("StorageClass", Symbol->StorageClass,
|
|
makeArrayRef(ImageSymClass));
|
|
W.printNumber("AuxSymbolCount", Symbol->NumberOfAuxSymbols);
|
|
|
|
for (unsigned I = 0; I < Symbol->NumberOfAuxSymbols; ++I) {
|
|
if (Symbol->isFunctionDefinition()) {
|
|
const coff_aux_function_definition *Aux;
|
|
if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
|
|
break;
|
|
|
|
DictScope AS(W, "AuxFunctionDef");
|
|
W.printNumber("TagIndex", Aux->TagIndex);
|
|
W.printNumber("TotalSize", Aux->TotalSize);
|
|
W.printHex("PointerToLineNumber", Aux->PointerToLinenumber);
|
|
W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);
|
|
W.printBinary("Unused", makeArrayRef(Aux->Unused));
|
|
|
|
} else if (Symbol->isWeakExternal()) {
|
|
const coff_aux_weak_external *Aux;
|
|
if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
|
|
break;
|
|
|
|
const coff_symbol *Linked;
|
|
StringRef LinkedName;
|
|
error_code EC;
|
|
if ((EC = Obj->getSymbol(Aux->TagIndex, Linked)) ||
|
|
(EC = Obj->getSymbolName(Linked, LinkedName))) {
|
|
LinkedName = "";
|
|
error(EC);
|
|
}
|
|
|
|
DictScope AS(W, "AuxWeakExternal");
|
|
W.printNumber("Linked", LinkedName, Aux->TagIndex);
|
|
W.printEnum ("Search", Aux->Characteristics,
|
|
makeArrayRef(WeakExternalCharacteristics));
|
|
W.printBinary("Unused", makeArrayRef(Aux->Unused));
|
|
|
|
} else if (Symbol->isFileRecord()) {
|
|
const coff_aux_file *Aux;
|
|
if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
|
|
break;
|
|
|
|
DictScope AS(W, "AuxFileRecord");
|
|
|
|
StringRef Name(Aux->FileName,
|
|
Symbol->NumberOfAuxSymbols * COFF::SymbolSize);
|
|
W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
|
|
break;
|
|
} else if (Symbol->isSectionDefinition()) {
|
|
const coff_aux_section_definition *Aux;
|
|
if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
|
|
break;
|
|
|
|
DictScope AS(W, "AuxSectionDef");
|
|
W.printNumber("Length", Aux->Length);
|
|
W.printNumber("RelocationCount", Aux->NumberOfRelocations);
|
|
W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
|
|
W.printHex("Checksum", Aux->CheckSum);
|
|
W.printNumber("Number", Aux->Number);
|
|
W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));
|
|
W.printBinary("Unused", makeArrayRef(Aux->Unused));
|
|
|
|
if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
|
|
&& Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
|
|
const coff_section *Assoc;
|
|
StringRef AssocName;
|
|
error_code EC;
|
|
if ((EC = Obj->getSection(Aux->Number, Assoc)) ||
|
|
(EC = Obj->getSectionName(Assoc, AssocName))) {
|
|
AssocName = "";
|
|
error(EC);
|
|
}
|
|
|
|
W.printNumber("AssocSection", AssocName, Aux->Number);
|
|
}
|
|
} else if (Symbol->isCLRToken()) {
|
|
const coff_aux_clr_token *Aux;
|
|
if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
|
|
break;
|
|
|
|
const coff_symbol *ReferredSym;
|
|
StringRef ReferredName;
|
|
error_code EC;
|
|
if ((EC = Obj->getSymbol(Aux->SymbolTableIndex, ReferredSym)) ||
|
|
(EC = Obj->getSymbolName(ReferredSym, ReferredName))) {
|
|
ReferredName = "";
|
|
error(EC);
|
|
}
|
|
|
|
DictScope AS(W, "AuxCLRToken");
|
|
W.printNumber("AuxType", Aux->AuxType);
|
|
W.printNumber("Reserved", Aux->Reserved);
|
|
W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex);
|
|
W.printBinary("Unused", makeArrayRef(Aux->Unused));
|
|
|
|
} else {
|
|
W.startLine() << "<unhandled auxiliary record>\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
void COFFDumper::printUnwindInfo() {
|
|
const coff_file_header *Header;
|
|
if (error(Obj->getCOFFHeader(Header)))
|
|
return;
|
|
|
|
ListScope D(W, "UnwindInformation");
|
|
switch (Header->Machine) {
|
|
case COFF::IMAGE_FILE_MACHINE_AMD64: {
|
|
Win64EH::Dumper Dumper(W);
|
|
Win64EH::Dumper::SymbolResolver Resolver =
|
|
[](const object::coff_section *Section, uint64_t Offset,
|
|
SymbolRef &Symbol, void *user_data) -> error_code {
|
|
COFFDumper *Dumper = reinterpret_cast<COFFDumper*>(user_data);
|
|
return Dumper->resolveSymbol(Section, Offset, Symbol);
|
|
};
|
|
Win64EH::Dumper::Context Ctx(*Obj, Resolver, this);
|
|
Dumper.printData(Ctx);
|
|
break;
|
|
}
|
|
default:
|
|
W.printEnum("unsupported Image Machine", Header->Machine,
|
|
makeArrayRef(ImageFileMachineType));
|
|
break;
|
|
}
|
|
}
|
|
|