mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 18:29:46 +00:00
obj2yaml and yaml2obj tools. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212908 91177308-0d34-0410-b5e6-96231b3b80d8
1242 lines
42 KiB
C++
1242 lines
42 KiB
C++
//===-- ELFDumper.cpp - ELF-specific dumper ---------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
///
|
|
/// \file
|
|
/// \brief This file implements the ELF-specific dumper for llvm-readobj.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm-readobj.h"
|
|
#include "ARMAttributeParser.h"
|
|
#include "ARMEHABIPrinter.h"
|
|
#include "Error.h"
|
|
#include "ObjDumper.h"
|
|
#include "StreamWriter.h"
|
|
#include "llvm/ADT/Optional.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/ADT/StringExtras.h"
|
|
#include "llvm/Object/ELFObjectFile.h"
|
|
#include "llvm/Support/ARMBuildAttributes.h"
|
|
#include "llvm/Support/Compiler.h"
|
|
#include "llvm/Support/Format.h"
|
|
#include "llvm/Support/MathExtras.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::object;
|
|
using namespace ELF;
|
|
|
|
#define LLVM_READOBJ_ENUM_CASE(ns, enum) \
|
|
case ns::enum: return #enum;
|
|
|
|
namespace {
|
|
|
|
template<typename ELFT>
|
|
class ELFDumper : public ObjDumper {
|
|
public:
|
|
ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
|
|
: ObjDumper(Writer), Obj(Obj) {}
|
|
|
|
void printFileHeaders() override;
|
|
void printSections() override;
|
|
void printRelocations() override;
|
|
void printSymbols() override;
|
|
void printDynamicSymbols() override;
|
|
void printUnwindInfo() override;
|
|
|
|
void printDynamicTable() override;
|
|
void printNeededLibraries() override;
|
|
void printProgramHeaders() override;
|
|
|
|
void printAttributes() override;
|
|
void printMipsPLTGOT() override;
|
|
|
|
private:
|
|
typedef ELFFile<ELFT> ELFO;
|
|
typedef typename ELFO::Elf_Shdr Elf_Shdr;
|
|
typedef typename ELFO::Elf_Sym Elf_Sym;
|
|
|
|
void printSymbol(typename ELFO::Elf_Sym_Iter Symbol);
|
|
|
|
void printRelocations(const Elf_Shdr *Sec);
|
|
void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
|
|
|
|
const ELFO *Obj;
|
|
};
|
|
|
|
template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
|
|
if (!Val) {
|
|
error(Val.getError());
|
|
return Default;
|
|
}
|
|
|
|
return *Val;
|
|
}
|
|
} // namespace
|
|
|
|
namespace llvm {
|
|
|
|
template <class ELFT>
|
|
static std::error_code createELFDumper(const ELFFile<ELFT> *Obj,
|
|
StreamWriter &Writer,
|
|
std::unique_ptr<ObjDumper> &Result) {
|
|
Result.reset(new ELFDumper<ELFT>(Obj, Writer));
|
|
return readobj_error::success;
|
|
}
|
|
|
|
std::error_code createELFDumper(const object::ObjectFile *Obj,
|
|
StreamWriter &Writer,
|
|
std::unique_ptr<ObjDumper> &Result) {
|
|
// Little-endian 32-bit
|
|
if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
|
|
return createELFDumper(ELFObj->getELFFile(), Writer, Result);
|
|
|
|
// Big-endian 32-bit
|
|
if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
|
|
return createELFDumper(ELFObj->getELFFile(), Writer, Result);
|
|
|
|
// Little-endian 64-bit
|
|
if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
|
|
return createELFDumper(ELFObj->getELFFile(), Writer, Result);
|
|
|
|
// Big-endian 64-bit
|
|
if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
|
|
return createELFDumper(ELFObj->getELFFile(), Writer, Result);
|
|
|
|
return readobj_error::unsupported_obj_file_format;
|
|
}
|
|
|
|
} // namespace llvm
|
|
|
|
template <typename ELFO>
|
|
static std::string getFullSymbolName(const ELFO &Obj,
|
|
typename ELFO::Elf_Sym_Iter Symbol) {
|
|
StringRef SymbolName = errorOrDefault(Obj.getSymbolName(Symbol));
|
|
if (!Symbol.isDynamic())
|
|
return SymbolName;
|
|
|
|
std::string FullSymbolName(SymbolName);
|
|
|
|
bool IsDefault;
|
|
ErrorOr<StringRef> Version =
|
|
Obj.getSymbolVersion(nullptr, &*Symbol, IsDefault);
|
|
if (Version) {
|
|
FullSymbolName += (IsDefault ? "@@" : "@");
|
|
FullSymbolName += *Version;
|
|
} else
|
|
error(Version.getError());
|
|
return FullSymbolName;
|
|
}
|
|
|
|
template <typename ELFO>
|
|
static void
|
|
getSectionNameIndex(const ELFO &Obj, typename ELFO::Elf_Sym_Iter Symbol,
|
|
StringRef &SectionName, unsigned &SectionIndex) {
|
|
SectionIndex = Symbol->st_shndx;
|
|
if (SectionIndex == SHN_UNDEF) {
|
|
SectionName = "Undefined";
|
|
} else if (SectionIndex >= SHN_LOPROC && SectionIndex <= SHN_HIPROC) {
|
|
SectionName = "Processor Specific";
|
|
} else if (SectionIndex >= SHN_LOOS && SectionIndex <= SHN_HIOS) {
|
|
SectionName = "Operating System Specific";
|
|
} else if (SectionIndex > SHN_HIOS && SectionIndex < SHN_ABS) {
|
|
SectionName = "Reserved";
|
|
} else if (SectionIndex == SHN_ABS) {
|
|
SectionName = "Absolute";
|
|
} else if (SectionIndex == SHN_COMMON) {
|
|
SectionName = "Common";
|
|
} else {
|
|
if (SectionIndex == SHN_XINDEX)
|
|
SectionIndex = Obj.getSymbolTableIndex(&*Symbol);
|
|
assert(SectionIndex != SHN_XINDEX &&
|
|
"getSymbolTableIndex should handle this");
|
|
const typename ELFO::Elf_Shdr *Sec = Obj.getSection(SectionIndex);
|
|
SectionName = errorOrDefault(Obj.getSectionName(Sec));
|
|
}
|
|
}
|
|
|
|
template <class ELFT>
|
|
static const typename ELFFile<ELFT>::Elf_Shdr *
|
|
findSectionByAddress(const ELFFile<ELFT> *Obj, uint64_t Addr) {
|
|
for (const auto &Shdr : Obj->sections())
|
|
if (Shdr.sh_addr == Addr)
|
|
return &Shdr;
|
|
return nullptr;
|
|
}
|
|
|
|
static const EnumEntry<unsigned> ElfClass[] = {
|
|
{ "None", ELF::ELFCLASSNONE },
|
|
{ "32-bit", ELF::ELFCLASS32 },
|
|
{ "64-bit", ELF::ELFCLASS64 },
|
|
};
|
|
|
|
static const EnumEntry<unsigned> ElfDataEncoding[] = {
|
|
{ "None", ELF::ELFDATANONE },
|
|
{ "LittleEndian", ELF::ELFDATA2LSB },
|
|
{ "BigEndian", ELF::ELFDATA2MSB },
|
|
};
|
|
|
|
static const EnumEntry<unsigned> ElfObjectFileType[] = {
|
|
{ "None", ELF::ET_NONE },
|
|
{ "Relocatable", ELF::ET_REL },
|
|
{ "Executable", ELF::ET_EXEC },
|
|
{ "SharedObject", ELF::ET_DYN },
|
|
{ "Core", ELF::ET_CORE },
|
|
};
|
|
|
|
static const EnumEntry<unsigned> ElfOSABI[] = {
|
|
{ "SystemV", ELF::ELFOSABI_NONE },
|
|
{ "HPUX", ELF::ELFOSABI_HPUX },
|
|
{ "NetBSD", ELF::ELFOSABI_NETBSD },
|
|
{ "GNU/Linux", ELF::ELFOSABI_LINUX },
|
|
{ "GNU/Hurd", ELF::ELFOSABI_HURD },
|
|
{ "Solaris", ELF::ELFOSABI_SOLARIS },
|
|
{ "AIX", ELF::ELFOSABI_AIX },
|
|
{ "IRIX", ELF::ELFOSABI_IRIX },
|
|
{ "FreeBSD", ELF::ELFOSABI_FREEBSD },
|
|
{ "TRU64", ELF::ELFOSABI_TRU64 },
|
|
{ "Modesto", ELF::ELFOSABI_MODESTO },
|
|
{ "OpenBSD", ELF::ELFOSABI_OPENBSD },
|
|
{ "OpenVMS", ELF::ELFOSABI_OPENVMS },
|
|
{ "NSK", ELF::ELFOSABI_NSK },
|
|
{ "AROS", ELF::ELFOSABI_AROS },
|
|
{ "FenixOS", ELF::ELFOSABI_FENIXOS },
|
|
{ "C6000_ELFABI", ELF::ELFOSABI_C6000_ELFABI },
|
|
{ "C6000_LINUX" , ELF::ELFOSABI_C6000_LINUX },
|
|
{ "ARM", ELF::ELFOSABI_ARM },
|
|
{ "Standalone" , ELF::ELFOSABI_STANDALONE }
|
|
};
|
|
|
|
static const EnumEntry<unsigned> ElfMachineType[] = {
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_NONE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_M32 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_386 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_68K ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_88K ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_486 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_860 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_S370 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_RS3_LE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PARISC ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_VPP500 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARC32PLUS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_960 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PPC64 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_S390 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SPU ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_V800 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_FR20 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_RH32 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_RCE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ARM ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ALPHA ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SH ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SPARCV9 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TRICORE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_300H ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_H8S ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_H8_500 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_IA_64 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS_X ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_COLDFIRE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC12 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MMA ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PCP ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_NCPU ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_NDR1 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_STARCORE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ME16 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ST100 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TINYJ ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_X86_64 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PDSP ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP10 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PDP11 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_FX66 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ST9PLUS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ST7 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC16 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC11 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC08 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_68HC05 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SVX ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ST19 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_VAX ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CRIS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_JAVELIN ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_FIREPATH ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ZSP ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MMIX ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_HUANY ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PRISM ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_FR30 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_D10V ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_D30V ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_V850 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_M32R ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10300 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MN10200 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_PJ ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_OPENRISC ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_XTENSA ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TMM_GPP ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_NS32K ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TPC ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SNP1K ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ST200 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_IP2K ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MAX ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CR ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_F2MC16 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MSP430 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_BLACKFIN ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C33 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SEP ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ARCA ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_UNICORE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_EXCESS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_DXP ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ALTERA_NIOS2 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CRX ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_XGATE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_C166 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_M16C ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_DSPIC30F ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_M32C ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TSK3000 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_RS08 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SHARC ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG2 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SCORE7 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_DSP24 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE3 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_LATTICEMICO32),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SE_C17 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C6000 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C2000 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TI_C5500 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MMDSP_PLUS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CYPRESS_M8C ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_R32C ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TRIMEDIA ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_HEXAGON ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_8051 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_STXP7X ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_NDS32 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG1X ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MAXQ30 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_XIMO16 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MANIK ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CRAYNV2 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_RX ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_METAG ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_MCST_ELBRUS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ECOG16 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CR16 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ETPU ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_SLE9X ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_L10M ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_K10M ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_AARCH64 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_AVR32 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_STM8 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TILE64 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEPRO ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CUDA ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_TILEGX ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_CLOUDSHIELD ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_1ST ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_COREA_2ND ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_ARC_COMPACT2 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_OPEN8 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_RL78 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX )
|
|
};
|
|
|
|
static const EnumEntry<unsigned> ElfSymbolBindings[] = {
|
|
{ "Local", ELF::STB_LOCAL },
|
|
{ "Global", ELF::STB_GLOBAL },
|
|
{ "Weak", ELF::STB_WEAK }
|
|
};
|
|
|
|
static const EnumEntry<unsigned> ElfSymbolTypes[] = {
|
|
{ "None", ELF::STT_NOTYPE },
|
|
{ "Object", ELF::STT_OBJECT },
|
|
{ "Function", ELF::STT_FUNC },
|
|
{ "Section", ELF::STT_SECTION },
|
|
{ "File", ELF::STT_FILE },
|
|
{ "Common", ELF::STT_COMMON },
|
|
{ "TLS", ELF::STT_TLS },
|
|
{ "GNU_IFunc", ELF::STT_GNU_IFUNC }
|
|
};
|
|
|
|
static const char *getElfSectionType(unsigned Arch, unsigned Type) {
|
|
switch (Arch) {
|
|
case ELF::EM_ARM:
|
|
switch (Type) {
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_EXIDX);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_PREEMPTMAP);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_ATTRIBUTES);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_DEBUGOVERLAY);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_ARM_OVERLAYSECTION);
|
|
}
|
|
case ELF::EM_HEXAGON:
|
|
switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_HEX_ORDERED); }
|
|
case ELF::EM_X86_64:
|
|
switch (Type) { LLVM_READOBJ_ENUM_CASE(ELF, SHT_X86_64_UNWIND); }
|
|
case ELF::EM_MIPS:
|
|
case ELF::EM_MIPS_RS3_LE:
|
|
switch (Type) {
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_REGINFO);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_OPTIONS);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_MIPS_ABIFLAGS);
|
|
}
|
|
}
|
|
|
|
switch (Type) {
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_NULL );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_PROGBITS );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_STRTAB );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_RELA );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_HASH );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNAMIC );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOTE );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_NOBITS );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_REL );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_SHLIB );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_DYNSYM );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_INIT_ARRAY );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_FINI_ARRAY );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_PREINIT_ARRAY );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_GROUP );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_HASH );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verdef );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_verneed );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, SHT_GNU_versym );
|
|
default: return "";
|
|
}
|
|
}
|
|
|
|
static const EnumEntry<unsigned> ElfSectionFlags[] = {
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_INFO_LINK ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_LINK_ORDER ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_OS_NONCONFORMING),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_GROUP ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_TLS ),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
|
|
};
|
|
|
|
static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
|
|
// Check potentially overlapped processor-specific
|
|
// program header type.
|
|
switch (Arch) {
|
|
case ELF::EM_ARM:
|
|
switch (Type) {
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
|
|
}
|
|
case ELF::EM_MIPS:
|
|
case ELF::EM_MIPS_RS3_LE:
|
|
switch (Type) {
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
|
|
}
|
|
}
|
|
|
|
switch (Type) {
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
|
|
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
|
|
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
|
|
LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
|
|
default: return "";
|
|
}
|
|
}
|
|
|
|
static const EnumEntry<unsigned> ElfSegmentFlags[] = {
|
|
LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
|
|
};
|
|
|
|
static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NOREORDER),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_PIC),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_CPIC),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI2),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_32BITMODE),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MICROMIPS),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_ASE_M16),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_1),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_2),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_3),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_4),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_5),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R2),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R2),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_32R6),
|
|
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ARCH_64R6)
|
|
};
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printFileHeaders() {
|
|
const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
|
|
|
|
{
|
|
DictScope D(W, "ElfHeader");
|
|
{
|
|
DictScope D(W, "Ident");
|
|
W.printBinary("Magic", makeArrayRef(Header->e_ident).slice(ELF::EI_MAG0,
|
|
4));
|
|
W.printEnum ("Class", Header->e_ident[ELF::EI_CLASS],
|
|
makeArrayRef(ElfClass));
|
|
W.printEnum ("DataEncoding", Header->e_ident[ELF::EI_DATA],
|
|
makeArrayRef(ElfDataEncoding));
|
|
W.printNumber("FileVersion", Header->e_ident[ELF::EI_VERSION]);
|
|
W.printEnum ("OS/ABI", Header->e_ident[ELF::EI_OSABI],
|
|
makeArrayRef(ElfOSABI));
|
|
W.printNumber("ABIVersion", Header->e_ident[ELF::EI_ABIVERSION]);
|
|
W.printBinary("Unused", makeArrayRef(Header->e_ident).slice(ELF::EI_PAD));
|
|
}
|
|
|
|
W.printEnum ("Type", Header->e_type, makeArrayRef(ElfObjectFileType));
|
|
W.printEnum ("Machine", Header->e_machine, makeArrayRef(ElfMachineType));
|
|
W.printNumber("Version", Header->e_version);
|
|
W.printHex ("Entry", Header->e_entry);
|
|
W.printHex ("ProgramHeaderOffset", Header->e_phoff);
|
|
W.printHex ("SectionHeaderOffset", Header->e_shoff);
|
|
if (Header->e_machine == EM_MIPS)
|
|
W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
|
|
unsigned(ELF::EF_MIPS_ARCH));
|
|
else
|
|
W.printFlags("Flags", Header->e_flags);
|
|
W.printNumber("HeaderSize", Header->e_ehsize);
|
|
W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
|
|
W.printNumber("ProgramHeaderCount", Header->e_phnum);
|
|
W.printNumber("SectionHeaderEntrySize", Header->e_shentsize);
|
|
W.printNumber("SectionHeaderCount", Header->e_shnum);
|
|
W.printNumber("StringTableSectionIndex", Header->e_shstrndx);
|
|
}
|
|
}
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printSections() {
|
|
ListScope SectionsD(W, "Sections");
|
|
|
|
int SectionIndex = -1;
|
|
for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
|
|
SecE = Obj->end_sections();
|
|
SecI != SecE; ++SecI) {
|
|
++SectionIndex;
|
|
|
|
const Elf_Shdr *Section = &*SecI;
|
|
StringRef Name = errorOrDefault(Obj->getSectionName(Section));
|
|
|
|
DictScope SectionD(W, "Section");
|
|
W.printNumber("Index", SectionIndex);
|
|
W.printNumber("Name", Name, Section->sh_name);
|
|
W.printHex("Type",
|
|
getElfSectionType(Obj->getHeader()->e_machine, Section->sh_type),
|
|
Section->sh_type);
|
|
W.printFlags ("Flags", Section->sh_flags, makeArrayRef(ElfSectionFlags));
|
|
W.printHex ("Address", Section->sh_addr);
|
|
W.printHex ("Offset", Section->sh_offset);
|
|
W.printNumber("Size", Section->sh_size);
|
|
W.printNumber("Link", Section->sh_link);
|
|
W.printNumber("Info", Section->sh_info);
|
|
W.printNumber("AddressAlignment", Section->sh_addralign);
|
|
W.printNumber("EntrySize", Section->sh_entsize);
|
|
|
|
if (opts::SectionRelocations) {
|
|
ListScope D(W, "Relocations");
|
|
printRelocations(Section);
|
|
}
|
|
|
|
if (opts::SectionSymbols) {
|
|
ListScope D(W, "Symbols");
|
|
for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
|
|
SymE = Obj->end_symbols();
|
|
SymI != SymE; ++SymI) {
|
|
if (Obj->getSection(&*SymI) == Section)
|
|
printSymbol(SymI);
|
|
}
|
|
}
|
|
|
|
if (opts::SectionData) {
|
|
ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(Section));
|
|
W.printBinaryBlock("SectionData",
|
|
StringRef((const char *)Data.data(), Data.size()));
|
|
}
|
|
}
|
|
}
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printRelocations() {
|
|
ListScope D(W, "Relocations");
|
|
|
|
int SectionNumber = -1;
|
|
for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
|
|
SecE = Obj->end_sections();
|
|
SecI != SecE; ++SecI) {
|
|
++SectionNumber;
|
|
|
|
if (SecI->sh_type != ELF::SHT_REL && SecI->sh_type != ELF::SHT_RELA)
|
|
continue;
|
|
|
|
StringRef Name = errorOrDefault(Obj->getSectionName(&*SecI));
|
|
|
|
W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
|
|
W.indent();
|
|
|
|
printRelocations(&*SecI);
|
|
|
|
W.unindent();
|
|
W.startLine() << "}\n";
|
|
}
|
|
}
|
|
|
|
template <class ELFT>
|
|
void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
|
|
switch (Sec->sh_type) {
|
|
case ELF::SHT_REL:
|
|
for (typename ELFO::Elf_Rel_Iter RI = Obj->begin_rel(Sec),
|
|
RE = Obj->end_rel(Sec);
|
|
RI != RE; ++RI) {
|
|
typename ELFO::Elf_Rela Rela;
|
|
Rela.r_offset = RI->r_offset;
|
|
Rela.r_info = RI->r_info;
|
|
Rela.r_addend = 0;
|
|
printRelocation(Sec, Rela);
|
|
}
|
|
break;
|
|
case ELF::SHT_RELA:
|
|
for (typename ELFO::Elf_Rela_Iter RI = Obj->begin_rela(Sec),
|
|
RE = Obj->end_rela(Sec);
|
|
RI != RE; ++RI) {
|
|
printRelocation(Sec, *RI);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
template <class ELFT>
|
|
void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
|
|
typename ELFO::Elf_Rela Rel) {
|
|
SmallString<32> RelocName;
|
|
Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
|
|
StringRef SymbolName;
|
|
std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
|
|
Obj->getRelocationSymbol(Sec, &Rel);
|
|
if (Sym.first)
|
|
SymbolName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
|
|
|
|
if (opts::ExpandRelocs) {
|
|
DictScope Group(W, "Relocation");
|
|
W.printHex("Offset", Rel.r_offset);
|
|
W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
|
|
W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
|
|
W.printHex("Addend", Rel.r_addend);
|
|
} else {
|
|
raw_ostream& OS = W.startLine();
|
|
OS << W.hex(Rel.r_offset)
|
|
<< " " << RelocName
|
|
<< " " << (SymbolName.size() > 0 ? SymbolName : "-")
|
|
<< " " << W.hex(Rel.r_addend)
|
|
<< "\n";
|
|
}
|
|
}
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printSymbols() {
|
|
ListScope Group(W, "Symbols");
|
|
for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_symbols(),
|
|
SymE = Obj->end_symbols();
|
|
SymI != SymE; ++SymI) {
|
|
printSymbol(SymI);
|
|
}
|
|
}
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printDynamicSymbols() {
|
|
ListScope Group(W, "DynamicSymbols");
|
|
|
|
for (typename ELFO::Elf_Sym_Iter SymI = Obj->begin_dynamic_symbols(),
|
|
SymE = Obj->end_dynamic_symbols();
|
|
SymI != SymE; ++SymI) {
|
|
printSymbol(SymI);
|
|
}
|
|
}
|
|
|
|
template <class ELFT>
|
|
void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
|
|
unsigned SectionIndex = 0;
|
|
StringRef SectionName;
|
|
getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
|
|
std::string FullSymbolName = getFullSymbolName(*Obj, Symbol);
|
|
|
|
DictScope D(W, "Symbol");
|
|
W.printNumber("Name", FullSymbolName, Symbol->st_name);
|
|
W.printHex ("Value", Symbol->st_value);
|
|
W.printNumber("Size", Symbol->st_size);
|
|
W.printEnum ("Binding", Symbol->getBinding(),
|
|
makeArrayRef(ElfSymbolBindings));
|
|
W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
|
|
W.printNumber("Other", Symbol->st_other);
|
|
W.printHex("Section", SectionName, SectionIndex);
|
|
}
|
|
|
|
#define LLVM_READOBJ_TYPE_CASE(name) \
|
|
case DT_##name: return #name
|
|
|
|
static const char *getTypeString(uint64_t Type) {
|
|
switch (Type) {
|
|
LLVM_READOBJ_TYPE_CASE(BIND_NOW);
|
|
LLVM_READOBJ_TYPE_CASE(DEBUG);
|
|
LLVM_READOBJ_TYPE_CASE(FINI);
|
|
LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
|
|
LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
|
|
LLVM_READOBJ_TYPE_CASE(FLAGS);
|
|
LLVM_READOBJ_TYPE_CASE(HASH);
|
|
LLVM_READOBJ_TYPE_CASE(INIT);
|
|
LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
|
|
LLVM_READOBJ_TYPE_CASE(INIT_ARRAYSZ);
|
|
LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAY);
|
|
LLVM_READOBJ_TYPE_CASE(PREINIT_ARRAYSZ);
|
|
LLVM_READOBJ_TYPE_CASE(JMPREL);
|
|
LLVM_READOBJ_TYPE_CASE(NEEDED);
|
|
LLVM_READOBJ_TYPE_CASE(NULL);
|
|
LLVM_READOBJ_TYPE_CASE(PLTGOT);
|
|
LLVM_READOBJ_TYPE_CASE(PLTREL);
|
|
LLVM_READOBJ_TYPE_CASE(PLTRELSZ);
|
|
LLVM_READOBJ_TYPE_CASE(REL);
|
|
LLVM_READOBJ_TYPE_CASE(RELA);
|
|
LLVM_READOBJ_TYPE_CASE(RELENT);
|
|
LLVM_READOBJ_TYPE_CASE(RELSZ);
|
|
LLVM_READOBJ_TYPE_CASE(RELAENT);
|
|
LLVM_READOBJ_TYPE_CASE(RELASZ);
|
|
LLVM_READOBJ_TYPE_CASE(RPATH);
|
|
LLVM_READOBJ_TYPE_CASE(RUNPATH);
|
|
LLVM_READOBJ_TYPE_CASE(SONAME);
|
|
LLVM_READOBJ_TYPE_CASE(STRSZ);
|
|
LLVM_READOBJ_TYPE_CASE(STRTAB);
|
|
LLVM_READOBJ_TYPE_CASE(SYMBOLIC);
|
|
LLVM_READOBJ_TYPE_CASE(SYMENT);
|
|
LLVM_READOBJ_TYPE_CASE(SYMTAB);
|
|
LLVM_READOBJ_TYPE_CASE(TEXTREL);
|
|
LLVM_READOBJ_TYPE_CASE(VERNEED);
|
|
LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
|
|
LLVM_READOBJ_TYPE_CASE(VERSYM);
|
|
LLVM_READOBJ_TYPE_CASE(RELCOUNT);
|
|
LLVM_READOBJ_TYPE_CASE(GNU_HASH);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
|
|
LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
|
|
default: return "unknown";
|
|
}
|
|
}
|
|
|
|
#undef LLVM_READOBJ_TYPE_CASE
|
|
|
|
#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
|
|
{ #enum, prefix##_##enum }
|
|
|
|
static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
|
|
LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
|
|
LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
|
|
LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
|
|
LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
|
|
LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
|
|
};
|
|
|
|
static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
|
|
LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
|
|
};
|
|
|
|
#undef LLVM_READOBJ_DT_FLAG_ENT
|
|
|
|
template <typename T, typename TFlag>
|
|
void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
|
|
typedef EnumEntry<TFlag> FlagEntry;
|
|
typedef SmallVector<FlagEntry, 10> FlagVector;
|
|
FlagVector SetFlags;
|
|
|
|
for (const auto &Flag : Flags) {
|
|
if (Flag.Value == 0)
|
|
continue;
|
|
|
|
if ((Value & Flag.Value) == Flag.Value)
|
|
SetFlags.push_back(Flag);
|
|
}
|
|
|
|
for (const auto &Flag : SetFlags) {
|
|
OS << Flag.Name << " ";
|
|
}
|
|
}
|
|
|
|
template <class ELFT>
|
|
static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
|
|
bool Is64, raw_ostream &OS) {
|
|
switch (Type) {
|
|
case DT_PLTREL:
|
|
if (Value == DT_REL) {
|
|
OS << "REL";
|
|
break;
|
|
} else if (Value == DT_RELA) {
|
|
OS << "RELA";
|
|
break;
|
|
}
|
|
// Fallthrough.
|
|
case DT_PLTGOT:
|
|
case DT_HASH:
|
|
case DT_STRTAB:
|
|
case DT_SYMTAB:
|
|
case DT_RELA:
|
|
case DT_INIT:
|
|
case DT_FINI:
|
|
case DT_REL:
|
|
case DT_JMPREL:
|
|
case DT_INIT_ARRAY:
|
|
case DT_FINI_ARRAY:
|
|
case DT_PREINIT_ARRAY:
|
|
case DT_DEBUG:
|
|
case DT_VERNEED:
|
|
case DT_VERSYM:
|
|
case DT_GNU_HASH:
|
|
case DT_NULL:
|
|
case DT_MIPS_BASE_ADDRESS:
|
|
case DT_MIPS_GOTSYM:
|
|
case DT_MIPS_RLD_MAP:
|
|
case DT_MIPS_PLTGOT:
|
|
OS << format("0x%" PRIX64, Value);
|
|
break;
|
|
case DT_RELCOUNT:
|
|
case DT_VERNEEDNUM:
|
|
case DT_MIPS_RLD_VERSION:
|
|
case DT_MIPS_LOCAL_GOTNO:
|
|
case DT_MIPS_SYMTABNO:
|
|
case DT_MIPS_UNREFEXTNO:
|
|
OS << Value;
|
|
break;
|
|
case DT_PLTRELSZ:
|
|
case DT_RELASZ:
|
|
case DT_RELAENT:
|
|
case DT_STRSZ:
|
|
case DT_SYMENT:
|
|
case DT_RELSZ:
|
|
case DT_RELENT:
|
|
case DT_INIT_ARRAYSZ:
|
|
case DT_FINI_ARRAYSZ:
|
|
case DT_PREINIT_ARRAYSZ:
|
|
OS << Value << " (bytes)";
|
|
break;
|
|
case DT_NEEDED:
|
|
OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
|
|
break;
|
|
case DT_SONAME:
|
|
OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
|
|
break;
|
|
case DT_RPATH:
|
|
case DT_RUNPATH:
|
|
OS << O->getDynamicString(Value);
|
|
break;
|
|
case DT_MIPS_FLAGS:
|
|
printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
|
|
break;
|
|
case DT_FLAGS:
|
|
printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
|
|
break;
|
|
}
|
|
}
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printUnwindInfo() {
|
|
W.startLine() << "UnwindInfo not implemented.\n";
|
|
}
|
|
|
|
namespace {
|
|
template <>
|
|
void ELFDumper<ELFType<support::little, 2, false> >::printUnwindInfo() {
|
|
const unsigned Machine = Obj->getHeader()->e_machine;
|
|
if (Machine == EM_ARM) {
|
|
ARM::EHABI::PrinterContext<ELFType<support::little, 2, false> > Ctx(W, Obj);
|
|
return Ctx.PrintUnwindInformation();
|
|
}
|
|
W.startLine() << "UnwindInfo not implemented.\n";
|
|
}
|
|
}
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printDynamicTable() {
|
|
auto DynTable = Obj->dynamic_table(true);
|
|
|
|
ptrdiff_t Total = std::distance(DynTable.begin(), DynTable.end());
|
|
if (Total == 0)
|
|
return;
|
|
|
|
raw_ostream &OS = W.getOStream();
|
|
W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
|
|
|
|
bool Is64 = ELFT::Is64Bits;
|
|
|
|
W.startLine()
|
|
<< " Tag" << (Is64 ? " " : " ") << "Type"
|
|
<< " " << "Name/Value\n";
|
|
for (const auto &Entry : DynTable) {
|
|
W.startLine()
|
|
<< " "
|
|
<< format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
|
|
<< " " << format("%-21s", getTypeString(Entry.getTag()));
|
|
printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
|
|
OS << "\n";
|
|
}
|
|
|
|
W.startLine() << "]\n";
|
|
}
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printNeededLibraries() {
|
|
ListScope D(W, "NeededLibraries");
|
|
|
|
typedef std::vector<StringRef> LibsTy;
|
|
LibsTy Libs;
|
|
|
|
for (const auto &Entry : Obj->dynamic_table())
|
|
if (Entry.d_tag == ELF::DT_NEEDED)
|
|
Libs.push_back(Obj->getDynamicString(Entry.d_un.d_val));
|
|
|
|
std::stable_sort(Libs.begin(), Libs.end());
|
|
|
|
for (LibsTy::const_iterator I = Libs.begin(), E = Libs.end(); I != E; ++I) {
|
|
outs() << " " << *I << "\n";
|
|
}
|
|
}
|
|
|
|
template<class ELFT>
|
|
void ELFDumper<ELFT>::printProgramHeaders() {
|
|
ListScope L(W, "ProgramHeaders");
|
|
|
|
for (typename ELFO::Elf_Phdr_Iter PI = Obj->begin_program_headers(),
|
|
PE = Obj->end_program_headers();
|
|
PI != PE; ++PI) {
|
|
DictScope P(W, "ProgramHeader");
|
|
W.printHex ("Type",
|
|
getElfSegmentType(Obj->getHeader()->e_machine, PI->p_type),
|
|
PI->p_type);
|
|
W.printHex ("Offset", PI->p_offset);
|
|
W.printHex ("VirtualAddress", PI->p_vaddr);
|
|
W.printHex ("PhysicalAddress", PI->p_paddr);
|
|
W.printNumber("FileSize", PI->p_filesz);
|
|
W.printNumber("MemSize", PI->p_memsz);
|
|
W.printFlags ("Flags", PI->p_flags, makeArrayRef(ElfSegmentFlags));
|
|
W.printNumber("Alignment", PI->p_align);
|
|
}
|
|
}
|
|
|
|
template <class ELFT>
|
|
void ELFDumper<ELFT>::printAttributes() {
|
|
W.startLine() << "Attributes not implemented.\n";
|
|
}
|
|
|
|
namespace {
|
|
template <>
|
|
void ELFDumper<ELFType<support::little, 2, false> >::printAttributes() {
|
|
if (Obj->getHeader()->e_machine != EM_ARM) {
|
|
W.startLine() << "Attributes not implemented.\n";
|
|
return;
|
|
}
|
|
|
|
DictScope BA(W, "BuildAttributes");
|
|
for (ELFO::Elf_Shdr_Iter SI = Obj->begin_sections(), SE = Obj->end_sections();
|
|
SI != SE; ++SI) {
|
|
if (SI->sh_type != ELF::SHT_ARM_ATTRIBUTES)
|
|
continue;
|
|
|
|
ErrorOr<ArrayRef<uint8_t> > Contents = Obj->getSectionContents(&(*SI));
|
|
if (!Contents)
|
|
continue;
|
|
|
|
if ((*Contents)[0] != ARMBuildAttrs::Format_Version) {
|
|
errs() << "unrecognised FormatVersion: 0x" << utohexstr((*Contents)[0])
|
|
<< '\n';
|
|
continue;
|
|
}
|
|
|
|
W.printHex("FormatVersion", (*Contents)[0]);
|
|
if (Contents->size() == 1)
|
|
continue;
|
|
|
|
ARMAttributeParser(W).Parse(*Contents);
|
|
}
|
|
}
|
|
}
|
|
|
|
namespace {
|
|
template <class ELFT> class MipsGOTParser {
|
|
public:
|
|
typedef object::ELFFile<ELFT> ObjectFile;
|
|
typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
|
|
|
|
MipsGOTParser(const ObjectFile *Obj, StreamWriter &W) : Obj(Obj), W(W) {}
|
|
|
|
void parseGOT(const Elf_Shdr &GOTShdr);
|
|
|
|
private:
|
|
typedef typename ObjectFile::Elf_Sym_Iter Elf_Sym_Iter;
|
|
typedef typename ObjectFile::Elf_Addr GOTEntry;
|
|
typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
|
|
GOTIter;
|
|
|
|
const ObjectFile *Obj;
|
|
StreamWriter &W;
|
|
|
|
std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
|
|
GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
|
|
|
|
bool getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym);
|
|
void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
|
|
void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
|
|
Elf_Sym_Iter Sym);
|
|
};
|
|
}
|
|
|
|
template <class ELFT>
|
|
void MipsGOTParser<ELFT>::parseGOT(const Elf_Shdr &GOTShdr) {
|
|
// See "Global Offset Table" in Chapter 5 in the following document
|
|
// for detailed GOT description.
|
|
// ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
|
|
|
|
ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(&GOTShdr);
|
|
if (!GOT) {
|
|
W.startLine() << "The .got section is empty.\n";
|
|
return;
|
|
}
|
|
|
|
uint64_t DtLocalGotNum;
|
|
uint64_t DtGotSym;
|
|
if (!getGOTTags(DtLocalGotNum, DtGotSym))
|
|
return;
|
|
|
|
if (DtLocalGotNum > getGOTTotal(*GOT)) {
|
|
W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
|
|
return;
|
|
}
|
|
|
|
Elf_Sym_Iter DynSymBegin = Obj->begin_dynamic_symbols();
|
|
Elf_Sym_Iter DynSymEnd = Obj->end_dynamic_symbols();
|
|
std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
|
|
|
|
if (DtGotSym > DynSymTotal) {
|
|
W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
|
|
return;
|
|
}
|
|
|
|
std::size_t GlobalGotNum = DynSymTotal - DtGotSym;
|
|
|
|
if (DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
|
|
W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
|
|
return;
|
|
}
|
|
|
|
GOTIter GotBegin = makeGOTIter(*GOT, 0);
|
|
GOTIter GotLocalEnd = makeGOTIter(*GOT, DtLocalGotNum);
|
|
GOTIter It = GotBegin;
|
|
|
|
DictScope GS(W, "Primary GOT");
|
|
|
|
W.printHex("Canonical gp value", GOTShdr.sh_addr + 0x7ff0);
|
|
{
|
|
ListScope RS(W, "Reserved entries");
|
|
|
|
{
|
|
DictScope D(W, "Entry");
|
|
printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
|
|
W.printString("Purpose", StringRef("Lazy resolver"));
|
|
}
|
|
|
|
if (It != GotLocalEnd && (*It >> (sizeof(GOTEntry) * 8 - 1)) != 0) {
|
|
DictScope D(W, "Entry");
|
|
printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
|
|
W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
|
|
}
|
|
}
|
|
{
|
|
ListScope LS(W, "Local entries");
|
|
for (; It != GotLocalEnd; ++It) {
|
|
DictScope D(W, "Entry");
|
|
printGotEntry(GOTShdr.sh_addr, GotBegin, It);
|
|
}
|
|
}
|
|
{
|
|
ListScope GS(W, "Global entries");
|
|
|
|
GOTIter GotGlobalEnd = makeGOTIter(*GOT, DtLocalGotNum + GlobalGotNum);
|
|
Elf_Sym_Iter GotDynSym = DynSymBegin + DtGotSym;
|
|
for (; It != GotGlobalEnd; ++It) {
|
|
DictScope D(W, "Entry");
|
|
printGlobalGotEntry(GOTShdr.sh_addr, GotBegin, It, GotDynSym++);
|
|
}
|
|
}
|
|
|
|
std::size_t SpecGotNum = getGOTTotal(*GOT) - DtLocalGotNum - GlobalGotNum;
|
|
W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
|
|
}
|
|
|
|
template <class ELFT>
|
|
std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
|
|
return GOT.size() / sizeof(GOTEntry);
|
|
}
|
|
|
|
template <class ELFT>
|
|
typename MipsGOTParser<ELFT>::GOTIter
|
|
MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
|
|
const char *Data = reinterpret_cast<const char *>(GOT.data());
|
|
return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
|
|
}
|
|
|
|
template <class ELFT>
|
|
bool MipsGOTParser<ELFT>::getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym) {
|
|
bool FoundLocalGotNum = false;
|
|
bool FoundGotSym = false;
|
|
for (const auto &Entry : Obj->dynamic_table()) {
|
|
switch (Entry.getTag()) {
|
|
case ELF::DT_MIPS_LOCAL_GOTNO:
|
|
LocalGotNum = Entry.getVal();
|
|
FoundLocalGotNum = true;
|
|
break;
|
|
case ELF::DT_MIPS_GOTSYM:
|
|
GotSym = Entry.getVal();
|
|
FoundGotSym = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!FoundLocalGotNum) {
|
|
W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
|
|
return false;
|
|
}
|
|
|
|
if (!FoundGotSym) {
|
|
W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
template <class ELFT>
|
|
void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
|
|
GOTIter It) {
|
|
int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
|
|
W.printHex("Address", GotAddr + Offset);
|
|
W.printNumber("Access", Offset - 0x7ff0);
|
|
W.printHex("Initial", *It);
|
|
}
|
|
|
|
template <class ELFT>
|
|
void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
|
|
GOTIter It, Elf_Sym_Iter Sym) {
|
|
printGotEntry(GotAddr, BeginIt, It);
|
|
|
|
W.printHex("Value", Sym->st_value);
|
|
W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
|
|
|
|
unsigned SectionIndex = 0;
|
|
StringRef SectionName;
|
|
getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
|
|
W.printHex("Section", SectionName, SectionIndex);
|
|
|
|
std::string FullSymbolName = getFullSymbolName(*Obj, Sym);
|
|
W.printNumber("Name", FullSymbolName, Sym->st_name);
|
|
}
|
|
|
|
template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
|
|
if (Obj->getHeader()->e_machine != EM_MIPS) {
|
|
W.startLine() << "MIPS PLT GOT is available for MIPS targets only.\n";
|
|
return;
|
|
}
|
|
|
|
llvm::Optional<uint64_t> DtPltGot;
|
|
for (const auto &Entry : Obj->dynamic_table()) {
|
|
if (Entry.getTag() == ELF::DT_PLTGOT) {
|
|
DtPltGot = Entry.getVal();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!DtPltGot) {
|
|
W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
|
|
return;
|
|
}
|
|
|
|
const Elf_Shdr *GotShdr = findSectionByAddress(Obj, *DtPltGot);
|
|
if (!GotShdr) {
|
|
W.startLine() << "There is no .got section in the file.\n";
|
|
return;
|
|
}
|
|
|
|
MipsGOTParser<ELFT>(Obj, W).parseGOT(*GotShdr);
|
|
}
|