diff options
Diffstat (limited to 'contrib/llvm/tools/llvm-readobj/ELFDumper.cpp')
| -rw-r--r-- | contrib/llvm/tools/llvm-readobj/ELFDumper.cpp | 841 |
1 files changed, 841 insertions, 0 deletions
diff --git a/contrib/llvm/tools/llvm-readobj/ELFDumper.cpp b/contrib/llvm/tools/llvm-readobj/ELFDumper.cpp new file mode 100644 index 0000000..07a9083 --- /dev/null +++ b/contrib/llvm/tools/llvm-readobj/ELFDumper.cpp @@ -0,0 +1,841 @@ +//===-- 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 "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); + 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: + 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"; +} + +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); + } +} |
