6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-23 01:30:19 +00:00
Code Issues Projects Releases Wiki Activity
bc41190a74
llvm-6502/tools/llvm-readobj/ELFDumper.cpp
Saleem Abdulrasool bc41190a74 llvm-readobj: add support for ARM EHABI unwind info 
This adds some preliminary support for decoding ARM EHABI unwinding information.
The major functionality that remains from complete support is bytecode
translation.

Each Unwind Index Table is printed out as a separate entity along with its
section index, name, offset, and entries.

Each entry lists the function address, and if possible, the name, of the
function to which it corresponds.  The encoding model, personality routine or
index, and byte code is also listed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198734 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-08 03:28:09 +00:00

859 lines
30 KiB
C++
Raw Blame History

//===-- 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 "Error.h"
#include "ObjDumper.h"
#include "StreamWriter.h"
#include "ARMEHABIPrinter.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Object/ELFObjectFile.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) {}
virtual void printFileHeaders() LLVM_OVERRIDE;
virtual void printSections() LLVM_OVERRIDE;
virtual void printRelocations() LLVM_OVERRIDE;
virtual void printSymbols() LLVM_OVERRIDE;
virtual void printDynamicSymbols() LLVM_OVERRIDE;
virtual void printUnwindInfo() LLVM_OVERRIDE;
virtual void printDynamicTable() LLVM_OVERRIDE;
virtual void printNeededLibraries() LLVM_OVERRIDE;
virtual void printProgramHeaders() LLVM_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);
return Default;
}
return *Val;
}
} // namespace
namespace llvm {
template <class ELFT>
static error_code createELFDumper(const ELFFile<ELFT> *Obj,
StreamWriter &Writer,
OwningPtr<ObjDumper> &Result) {
Result.reset(new ELFDumper<ELFT>(Obj, Writer));
return readobj_error::success;
}
error_code createELFDumper(const object::ObjectFile *Obj,
StreamWriter& Writer,
OwningPtr<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
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);
}
}
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)
};
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);
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) {
StringRef SymbolName = errorOrDefault(Obj->getSymbolName(Symbol));
const Elf_Shdr *Sec = Obj->getSection(&*Symbol);
StringRef SectionName = Sec ? errorOrDefault(Obj->getSectionName(Sec)) : "";
std::string FullSymbolName(SymbolName);
if (Symbol.isDynamic()) {
bool IsDefault;
ErrorOr<StringRef> Version = Obj->getSymbolVersion(0, &*Symbol, IsDefault);
if (Version) {
FullSymbolName += (IsDefault ? "@@" : "@");
FullSymbolName += *Version;
} else
error(Version);
}
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, Symbol->st_shndx);
}
#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(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
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_NULL:
case DT_MIPS_FLAGS:
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_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;
}
}
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() {
typedef typename ELFO::Elf_Dyn_Iter EDI;
EDI Start = Obj->begin_dynamic_table(), End = Obj->end_dynamic_table(true);
if (Start == End)
return;
ptrdiff_t Total = std::distance(Start, End);
raw_ostream &OS = W.getOStream();
W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
bool Is64 = ELFT::Is64Bits;
W.startLine()
<< " Tag" << (Is64 ? " " : " ") << "Type"
<< " " << "Name/Value\n";
for (; Start != End; ++Start) {
W.startLine()
<< " "
<< format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Start->getTag())
<< " " << format("%-21s", getTypeString(Start->getTag()));
printValue(Obj, Start->getTag(), Start->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 (typename ELFO::Elf_Dyn_Iter DynI = Obj->begin_dynamic_table(),
DynE = Obj->end_dynamic_table();
DynI != DynE; ++DynI)
if (DynI->d_tag == ELF::DT_NEEDED)
Libs.push_back(Obj->getDynamicString(DynI->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);
}
}
Reference in New Issue View Git Blame Copy Permalink