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llvm-mirror/tools/llvm-readobj/ELFDumper.cpp
Hemant Kulkarni 90ba322b26 Fix build failure caused in r260430 
llvm-svn: 260471
2016-02-11 00:01:47 +00:00

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//===-- 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 "StackMapPrinter.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/MipsABIFlags.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/FormattedStream.h"
using namespace llvm;
using namespace llvm::object;
using namespace ELF;
#define LLVM_READOBJ_ENUM_CASE(ns, enum) \
case ns::enum: return #enum;
#define ENUM_ENT(enum, altName) \
{ #enum, altName, ELF::enum }
#define ENUM_ENT_1(enum) \
{ #enum, #enum, ELF::enum }
namespace {
template <class ELFT> class DumpStyle;
template<typename ELFT>
class ELFDumper : public ObjDumper {
public:
ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer);
void printFileHeaders() override;
void printSections() override;
void printRelocations() override;
void printDynamicRelocations() override;
void printSymbols() override;
void printDynamicSymbols() override;
void printUnwindInfo() override;
void printDynamicTable() override;
void printNeededLibraries() override;
void printProgramHeaders() override;
void printHashTable() override;
void printGnuHashTable() override;
void printLoadName() override;
void printVersionInfo() override;
void printGroupSections() override;
void printAttributes() override;
void printMipsPLTGOT() override;
void printMipsABIFlags() override;
void printMipsReginfo() override;
void printStackMap() const override;
private:
std::unique_ptr<DumpStyle<ELFT>> ELFDumperStyle;
typedef ELFFile<ELFT> ELFO;
typedef typename ELFO::Elf_Shdr Elf_Shdr;
typedef typename ELFO::Elf_Sym Elf_Sym;
typedef typename ELFO::Elf_Dyn Elf_Dyn;
typedef typename ELFO::Elf_Dyn_Range Elf_Dyn_Range;
typedef typename ELFO::Elf_Rel Elf_Rel;
typedef typename ELFO::Elf_Rela Elf_Rela;
typedef typename ELFO::Elf_Rel_Range Elf_Rel_Range;
typedef typename ELFO::Elf_Rela_Range Elf_Rela_Range;
typedef typename ELFO::Elf_Phdr Elf_Phdr;
typedef typename ELFO::Elf_Half Elf_Half;
typedef typename ELFO::Elf_Hash Elf_Hash;
typedef typename ELFO::Elf_GnuHash Elf_GnuHash;
typedef typename ELFO::Elf_Ehdr Elf_Ehdr;
typedef typename ELFO::Elf_Word Elf_Word;
typedef typename ELFO::uintX_t uintX_t;
typedef typename ELFO::Elf_Versym Elf_Versym;
typedef typename ELFO::Elf_Verneed Elf_Verneed;
typedef typename ELFO::Elf_Vernaux Elf_Vernaux;
typedef typename ELFO::Elf_Verdef Elf_Verdef;
typedef typename ELFO::Elf_Verdaux Elf_Verdaux;
/// \brief Represents a region described by entries in the .dynamic table.
struct DynRegionInfo {
DynRegionInfo() : Addr(nullptr), Size(0), EntSize(0) {}
/// \brief Address in current address space.
const void *Addr;
/// \brief Size in bytes of the region.
uintX_t Size;
/// \brief Size of each entity in the region.
uintX_t EntSize;
};
void printSymbolsHelper(bool IsDynamic);
void printSymbol(const Elf_Sym *Symbol, const Elf_Shdr *SymTab,
StringRef StrTable, bool IsDynamic);
void printDynamicRelocation(Elf_Rela Rel);
void printRelocations(const Elf_Shdr *Sec);
void printRelocation(Elf_Rela Rel, const Elf_Shdr *SymTab);
void printValue(uint64_t Type, uint64_t Value);
template <typename REL>
static const REL *dyn_rel_begin(const DynRegionInfo &region);
template <typename REL>
static const REL *dyn_rel_end(const DynRegionInfo &region);
Elf_Rel_Range dyn_rels() const;
Elf_Rela_Range dyn_relas() const;
StringRef getDynamicString(uint64_t Offset) const;
const Elf_Dyn *dynamic_table_begin() const {
ErrorOr<const Elf_Dyn *> Ret = Obj->dynamic_table_begin(DynamicProgHeader);
error(Ret.getError());
return *Ret;
}
const Elf_Dyn *dynamic_table_end() const {
ErrorOr<const Elf_Dyn *> Ret = Obj->dynamic_table_end(DynamicProgHeader);
error(Ret.getError());
return *Ret;
}
StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb,
bool &IsDefault);
void LoadVersionMap();
void LoadVersionNeeds(const Elf_Shdr *ec) const;
void LoadVersionDefs(const Elf_Shdr *sec) const;
const ELFO *Obj;
DynRegionInfo DynRelRegion;
DynRegionInfo DynRelaRegion;
const Elf_Phdr *DynamicProgHeader = nullptr;
StringRef DynamicStringTable;
const Elf_Sym *DynSymStart = nullptr;
StringRef SOName;
const Elf_Hash *HashTable = nullptr;
const Elf_GnuHash *GnuHashTable = nullptr;
const Elf_Shdr *DotDynSymSec = nullptr;
const Elf_Shdr *DotSymtabSec = nullptr;
ArrayRef<Elf_Word> ShndxTable;
const Elf_Shdr *dot_gnu_version_sec = nullptr; // .gnu.version
const Elf_Shdr *dot_gnu_version_r_sec = nullptr; // .gnu.version_r
const Elf_Shdr *dot_gnu_version_d_sec = nullptr; // .gnu.version_d
// Records for each version index the corresponding Verdef or Vernaux entry.
// This is filled the first time LoadVersionMap() is called.
class VersionMapEntry : public PointerIntPair<const void *, 1> {
public:
// If the integer is 0, this is an Elf_Verdef*.
// If the integer is 1, this is an Elf_Vernaux*.
VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {}
VersionMapEntry(const Elf_Verdef *verdef)
: PointerIntPair<const void *, 1>(verdef, 0) {}
VersionMapEntry(const Elf_Vernaux *vernaux)
: PointerIntPair<const void *, 1>(vernaux, 1) {}
bool isNull() const { return getPointer() == nullptr; }
bool isVerdef() const { return !isNull() && getInt() == 0; }
bool isVernaux() const { return !isNull() && getInt() == 1; }
const Elf_Verdef *getVerdef() const {
return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr;
}
const Elf_Vernaux *getVernaux() const {
return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr;
}
};
mutable SmallVector<VersionMapEntry, 16> VersionMap;
public:
Elf_Dyn_Range dynamic_table() const {
ErrorOr<Elf_Dyn_Range> Ret = Obj->dynamic_table(DynamicProgHeader);
error(Ret.getError());
return *Ret;
}
std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable,
bool IsDynamic);
const Elf_Shdr *getDotDynSymSec() const { return DotDynSymSec; }
const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; }
ArrayRef<Elf_Word> getShndxTable() { return ShndxTable; }
};
template <typename ELFT> class DumpStyle {
public:
virtual void printFileHeaders(const ELFFile<ELFT> *Obj) = 0;
virtual ~DumpStyle() { }
};
template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> {
formatted_raw_ostream OS;
public:
typedef typename ELFFile<ELFT>::Elf_Ehdr Elf_Ehdr;
GNUStyle(StreamWriter &W) : OS(W.getOStream()) {}
void printFileHeaders(const ELFFile<ELFT> *Obj) override;
private:
template <typename T, typename TEnum>
std::string printEnum(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues) {
for (const auto &EnumItem : EnumValues)
if (EnumItem.Value == Value)
return EnumItem.AltName;
return to_hexString(Value);
}
};
template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> {
public:
typedef typename ELFFile<ELFT>::Elf_Ehdr Elf_Ehdr;
LLVMStyle(StreamWriter &W) : W(W) {}
void printFileHeaders(const ELFFile<ELFT> *Obj) override;
private:
StreamWriter &W;
};
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
// Iterate through the versions needed section, and place each Elf_Vernaux
// in the VersionMap according to its index.
template <class ELFT>
void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
unsigned vn_size = sec->sh_size; // Size of section in bytes
unsigned vn_count = sec->sh_info; // Number of Verneed entries
const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
const char *sec_end = sec_start + vn_size;
// The first Verneed entry is at the start of the section.
const char *p = sec_start;
for (unsigned i = 0; i < vn_count; i++) {
if (p + sizeof(Elf_Verneed) > sec_end)
report_fatal_error("Section ended unexpectedly while scanning "
"version needed records.");
const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
if (vn->vn_version != ELF::VER_NEED_CURRENT)
report_fatal_error("Unexpected verneed version");
// Iterate through the Vernaux entries
const char *paux = p + vn->vn_aux;
for (unsigned j = 0; j < vn->vn_cnt; j++) {
if (paux + sizeof(Elf_Vernaux) > sec_end)
report_fatal_error("Section ended unexpected while scanning auxiliary "
"version needed records.");
const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
size_t index = vna->vna_other & ELF::VERSYM_VERSION;
if (index >= VersionMap.size())
VersionMap.resize(index + 1);
VersionMap[index] = VersionMapEntry(vna);
paux += vna->vna_next;
}
p += vn->vn_next;
}
}
// Iterate through the version definitions, and place each Elf_Verdef
// in the VersionMap according to its index.
template <class ELFT>
void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
unsigned vd_size = sec->sh_size; // Size of section in bytes
unsigned vd_count = sec->sh_info; // Number of Verdef entries
const char *sec_start = (const char *)Obj->base() + sec->sh_offset;
const char *sec_end = sec_start + vd_size;
// The first Verdef entry is at the start of the section.
const char *p = sec_start;
for (unsigned i = 0; i < vd_count; i++) {
if (p + sizeof(Elf_Verdef) > sec_end)
report_fatal_error("Section ended unexpectedly while scanning "
"version definitions.");
const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
if (vd->vd_version != ELF::VER_DEF_CURRENT)
report_fatal_error("Unexpected verdef version");
size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
if (index >= VersionMap.size())
VersionMap.resize(index + 1);
VersionMap[index] = VersionMapEntry(vd);
p += vd->vd_next;
}
}
template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() {
// If there is no dynamic symtab or version table, there is nothing to do.
if (!DynSymStart || !dot_gnu_version_sec)
return;
// Has the VersionMap already been loaded?
if (VersionMap.size() > 0)
return;
// The first two version indexes are reserved.
// Index 0 is LOCAL, index 1 is GLOBAL.
VersionMap.push_back(VersionMapEntry());
VersionMap.push_back(VersionMapEntry());
if (dot_gnu_version_d_sec)
LoadVersionDefs(dot_gnu_version_d_sec);
if (dot_gnu_version_r_sec)
LoadVersionNeeds(dot_gnu_version_r_sec);
}
template <typename ELFO, class ELFT>
static void printVersionSymbolSection(ELFDumper<ELFT> *Dumper,
const ELFO *Obj,
const typename ELFO::Elf_Shdr *Sec,
StreamWriter &W) {
DictScope SS(W, "Version symbols");
if (!Sec)
return;
StringRef Name = errorOrDefault(Obj->getSectionName(Sec));
W.printNumber("Section Name", Name, Sec->sh_name);
W.printHex("Address", Sec->sh_addr);
W.printHex("Offset", Sec->sh_offset);
W.printNumber("Link", Sec->sh_link);
const typename ELFO::Elf_Shdr *DynSymSec = Dumper->getDotDynSymSec();
const uint8_t *P = (const uint8_t *)Obj->base() + Sec->sh_offset;
ErrorOr<StringRef> StrTableOrErr =
Obj->getStringTableForSymtab(*DynSymSec);
error(StrTableOrErr.getError());
// Same number of entries in the dynamic symbol table (DT_SYMTAB).
ListScope Syms(W, "Symbols");
for (const typename ELFO::Elf_Sym &Sym : Obj->symbols(DynSymSec)) {
DictScope S(W, "Symbol");
std::string FullSymbolName =
Dumper->getFullSymbolName(&Sym, *StrTableOrErr, true /* IsDynamic */);
W.printNumber("Version", *P);
W.printString("Name", FullSymbolName);
P += sizeof(typename ELFO::Elf_Half);
}
}
template <typename ELFO, class ELFT>
static void printVersionDefinitionSection(ELFDumper<ELFT> *Dumper,
const ELFO *Obj,
const typename ELFO::Elf_Shdr *Sec,
StreamWriter &W) {
DictScope SD(W, "Version definition");
if (!Sec)
return;
StringRef Name = errorOrDefault(Obj->getSectionName(Sec));
W.printNumber("Section Name", Name, Sec->sh_name);
W.printHex("Address", Sec->sh_addr);
W.printHex("Offset", Sec->sh_offset);
W.printNumber("Link", Sec->sh_link);
unsigned verdef_entries = 0;
// The number of entries in the section SHT_GNU_verdef
// is determined by DT_VERDEFNUM tag.
for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
if (Dyn.d_tag == DT_VERDEFNUM)
verdef_entries = Dyn.d_un.d_val;
}
const uint8_t *SecStartAddress =
(const uint8_t *)Obj->base() + Sec->sh_offset;
const uint8_t *SecEndAddress = SecStartAddress + Sec->sh_size;
const uint8_t *P = SecStartAddress;
ErrorOr<const typename ELFO::Elf_Shdr *> StrTabOrErr =
Obj->getSection(Sec->sh_link);
error(StrTabOrErr.getError());
ListScope Entries(W, "Entries");
for (unsigned i = 0; i < verdef_entries; ++i) {
if (P + sizeof(typename ELFO::Elf_Verdef) > SecEndAddress)
report_fatal_error("invalid offset in the section");
auto *VD = reinterpret_cast<const typename ELFO::Elf_Verdef *>(P);
DictScope Entry(W, "Entry");
W.printHex("Offset", (uintptr_t)P - (uintptr_t)SecStartAddress);
W.printNumber("Rev", VD->vd_version);
// FIXME: print something more readable.
W.printNumber("Flags", VD->vd_flags);
W.printNumber("Index", VD->vd_ndx);
W.printNumber("Cnt", VD->vd_cnt);
W.printString("Name", StringRef((const char *)(Obj->base() +
(*StrTabOrErr)->sh_offset +
VD->getAux()->vda_name)));
P += VD->vd_next;
}
}
template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() {
// Dump version symbol section.
printVersionSymbolSection(this, Obj, dot_gnu_version_sec, W);
// Dump version definition section.
printVersionDefinitionSection(this, Obj, dot_gnu_version_d_sec, W);
}
template <typename ELFT>
StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab,
const Elf_Sym *symb,
bool &IsDefault) {
// This is a dynamic symbol. Look in the GNU symbol version table.
if (!dot_gnu_version_sec) {
// No version table.
IsDefault = false;
return StringRef("");
}
// Determine the position in the symbol table of this entry.
size_t entry_index = (reinterpret_cast<uintptr_t>(symb) -
reinterpret_cast<uintptr_t>(DynSymStart)) /
sizeof(Elf_Sym);
// Get the corresponding version index entry
const Elf_Versym *vs =
Obj->template getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index);
size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
// Special markers for unversioned symbols.
if (version_index == ELF::VER_NDX_LOCAL ||
version_index == ELF::VER_NDX_GLOBAL) {
IsDefault = false;
return StringRef("");
}
// Lookup this symbol in the version table
LoadVersionMap();
if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
reportError("Invalid version entry");
const VersionMapEntry &entry = VersionMap[version_index];
// Get the version name string
size_t name_offset;
if (entry.isVerdef()) {
// The first Verdaux entry holds the name.
name_offset = entry.getVerdef()->getAux()->vda_name;
IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
} else {
name_offset = entry.getVernaux()->vna_name;
IsDefault = false;
}
if (name_offset >= StrTab.size())
reportError("Invalid string offset");
return StringRef(StrTab.data() + name_offset);
}
template <typename ELFT>
std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol,
StringRef StrTable,
bool IsDynamic) {
StringRef SymbolName = errorOrDefault(Symbol->getName(StrTable));
if (!IsDynamic)
return SymbolName;
std::string FullSymbolName(SymbolName);
bool IsDefault;
StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault);
FullSymbolName += (IsDefault ? "@@" : "@");
FullSymbolName += Version;
return FullSymbolName;
}
template <typename ELFO>
static void
getSectionNameIndex(const ELFO &Obj, const typename ELFO::Elf_Sym *Symbol,
const typename ELFO::Elf_Shdr *SymTab,
ArrayRef<typename ELFO::Elf_Word> ShndxTable,
StringRef &SectionName, unsigned &SectionIndex) {
SectionIndex = Symbol->st_shndx;
if (Symbol->isUndefined())
SectionName = "Undefined";
else if (Symbol->isProcessorSpecific())
SectionName = "Processor Specific";
else if (Symbol->isOSSpecific())
SectionName = "Operating System Specific";
else if (Symbol->isAbsolute())
SectionName = "Absolute";
else if (Symbol->isCommon())
SectionName = "Common";
else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
SectionName = "Reserved";
else {
if (SectionIndex == SHN_XINDEX)
SectionIndex =
Obj.getExtendedSymbolTableIndex(Symbol, SymTab, ShndxTable);
ErrorOr<const typename ELFO::Elf_Shdr *> Sec = Obj.getSection(SectionIndex);
error(Sec.getError());
SectionName = errorOrDefault(Obj.getSectionName(*Sec));
}
}
template <class ELFO>
static const typename ELFO::Elf_Shdr *
findNotEmptySectionByAddress(const ELFO *Obj, uint64_t Addr) {
for (const auto &Shdr : Obj->sections())
if (Shdr.sh_addr == Addr && Shdr.sh_size > 0)
return &Shdr;
return nullptr;
}
template <class ELFO>
static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj,
StringRef Name) {
for (const auto &Shdr : Obj.sections()) {
if (Name == errorOrDefault(Obj.getSectionName(&Shdr)))
return &Shdr;
}
return nullptr;
}
static const EnumEntry<unsigned> ElfClass[] = {
{"None", "none", ELF::ELFCLASSNONE},
{"32-bit", "ELF32", ELF::ELFCLASS32},
{"64-bit", "ELF64", ELF::ELFCLASS64},
};
static const EnumEntry<unsigned> ElfDataEncoding[] = {
{"None", "none", ELF::ELFDATANONE},
{"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB},
{"BigEndian", "2's complement, big endian", ELF::ELFDATA2MSB},
};
static const EnumEntry<unsigned> ElfObjectFileType[] = {
{"None", "NONE (none)", ELF::ET_NONE},
{"Relocatable", "REL (Relocatable file)", ELF::ET_REL},
{"Executable", "EXEC (Executable file)", ELF::ET_EXEC},
{"SharedObject", "DYN (Shared object file)", ELF::ET_DYN},
{"Core", "CORE (Core file)", ELF::ET_CORE},
};
static const EnumEntry<unsigned> ElfOSABI[] = {
{"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE},
{"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX},
{"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD},
{"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX},
{"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD},
{"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS},
{"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX},
{"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX},
{"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD},
{"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64},
{"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO},
{"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD},
{"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS},
{"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
{"AROS", "AROS", ELF::ELFOSABI_AROS},
{"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS},
{"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI},
{"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI},
{"C6000_LINUX", "Linux C6000", ELF::ELFOSABI_C6000_LINUX},
{"ARM", "ARM", ELF::ELFOSABI_ARM},
{"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE}
};
static const EnumEntry<unsigned> ElfMachineType[] = {
ENUM_ENT(EM_NONE, "None"),
ENUM_ENT(EM_M32, "WE32100"),
ENUM_ENT(EM_SPARC, "Sparc"),
ENUM_ENT(EM_386, "Intel 80386"),
ENUM_ENT(EM_68K, "MC68000"),
ENUM_ENT(EM_88K, "MC88000"),
ENUM_ENT(EM_IAMCU, "EM_IAMCU"),
ENUM_ENT(EM_860, "Intel 80860"),
ENUM_ENT(EM_MIPS, "MIPS R3000"),
ENUM_ENT(EM_S370, "IBM System/370"),
ENUM_ENT(EM_MIPS_RS3_LE, "MIPS R3000 little-endian"),
ENUM_ENT(EM_PARISC, "HPPA"),
ENUM_ENT(EM_VPP500, "Fujitsu VPP500"),
ENUM_ENT(EM_SPARC32PLUS, "Sparc v8+"),
ENUM_ENT(EM_960, "Intel 80960"),
ENUM_ENT(EM_PPC, "PowerPC"),
ENUM_ENT(EM_PPC64, "PowerPC64"),
ENUM_ENT(EM_S390, "IBM S/390"),
ENUM_ENT(EM_SPU, "SPU"),
ENUM_ENT(EM_V800, "NEC V800 series"),
ENUM_ENT(EM_FR20, "Fujistsu FR20"),
ENUM_ENT(EM_RH32, "TRW RH-32"),
ENUM_ENT(EM_RCE, "Motorola RCE"),
ENUM_ENT(EM_ARM, "ARM"),
ENUM_ENT(EM_ALPHA, "EM_ALPHA"),
ENUM_ENT(EM_SH, "Hitachi SH"),
ENUM_ENT(EM_SPARCV9, "Sparc v9"),
ENUM_ENT(EM_TRICORE, "Siemens Tricore"),
ENUM_ENT(EM_ARC, "ARC"),
ENUM_ENT(EM_H8_300, "Hitachi H8/300"),
ENUM_ENT(EM_H8_300H, "Hitachi H8/300H"),
ENUM_ENT(EM_H8S, "Hitachi H8S"),
ENUM_ENT(EM_H8_500, "Hitachi H8/500"),
ENUM_ENT(EM_IA_64, "Intel IA-64"),
ENUM_ENT(EM_MIPS_X, "Stanford MIPS-X"),
ENUM_ENT(EM_COLDFIRE, "Motorola Coldfire"),
ENUM_ENT(EM_68HC12, "Motorola MC68HC12 Microcontroller"),
ENUM_ENT(EM_MMA, "Fujitsu Multimedia Accelerator"),
ENUM_ENT(EM_PCP, "Siemens PCP"),
ENUM_ENT(EM_NCPU, "Sony nCPU embedded RISC processor"),
ENUM_ENT(EM_NDR1, "Denso NDR1 microprocesspr"),
ENUM_ENT(EM_STARCORE, "Motorola Star*Core processor"),
ENUM_ENT(EM_ME16, "Toyota ME16 processor"),
ENUM_ENT(EM_ST100, "STMicroelectronics ST100 processor"),
ENUM_ENT(EM_TINYJ, "Advanced Logic Corp. TinyJ embedded processor"),
ENUM_ENT(EM_X86_64, "Advanced Micro Devices X86-64"),
ENUM_ENT(EM_PDSP, "Sony DSP processor"),
ENUM_ENT(EM_PDP10, "Digital Equipment Corp. PDP-10"),
ENUM_ENT(EM_PDP11, "Digital Equipment Corp. PDP-11"),
ENUM_ENT(EM_FX66, "Siemens FX66 microcontroller"),
ENUM_ENT(EM_ST9PLUS, "STMicroelectronics ST9+ 8/16 bit microcontroller"),
ENUM_ENT(EM_ST7, "STMicroelectronics ST7 8-bit microcontroller"),
ENUM_ENT(EM_68HC16, "Motorola MC68HC16 Microcontroller"),
ENUM_ENT(EM_68HC11, "Motorola MC68HC11 Microcontroller"),
ENUM_ENT(EM_68HC08, "Motorola MC68HC08 Microcontroller"),
ENUM_ENT(EM_68HC05, "Motorola MC68HC05 Microcontroller"),
ENUM_ENT(EM_SVX, "Silicon Graphics SVx"),
ENUM_ENT(EM_ST19, "STMicroelectronics ST19 8-bit microcontroller"),
ENUM_ENT(EM_VAX, "Digital VAX"),
ENUM_ENT(EM_CRIS, "Axis Communications 32-bit embedded processor"),
ENUM_ENT(EM_JAVELIN, "Infineon Technologies 32-bit embedded cpu"),
ENUM_ENT(EM_FIREPATH, "Element 14 64-bit DSP processor"),
ENUM_ENT(EM_ZSP, "LSI Logic's 16-bit DSP processor"),
ENUM_ENT(EM_MMIX, "Donald Knuth's educational 64-bit processor"),
ENUM_ENT(EM_HUANY, "Harvard Universitys's machine-independent object format"),
ENUM_ENT(EM_PRISM, "Vitesse Prism"),
ENUM_ENT(EM_AVR, "Atmel AVR 8-bit microcontroller"),
ENUM_ENT(EM_FR30, "Fujitsu FR30"),
ENUM_ENT(EM_D10V, "Mitsubishi D10V"),
ENUM_ENT(EM_D30V, "Mitsubishi D30V"),
ENUM_ENT(EM_V850, "NEC v850"),
ENUM_ENT(EM_M32R, "Renesas M32R (formerly Mitsubishi M32r)"),
ENUM_ENT(EM_MN10300, "Matsushita MN10300"),
ENUM_ENT(EM_MN10200, "Matsushita MN10200"),
ENUM_ENT(EM_PJ, "picoJava"),
ENUM_ENT(EM_OPENRISC, "OpenRISC 32-bit embedded processor"),
ENUM_ENT(EM_ARC_COMPACT, "EM_ARC_COMPACT"),
ENUM_ENT(EM_XTENSA, "Tensilica Xtensa Processor"),
ENUM_ENT(EM_VIDEOCORE, "Alphamosaic VideoCore processor"),
ENUM_ENT(EM_TMM_GPP, "Thompson Multimedia General Purpose Processor"),
ENUM_ENT(EM_NS32K, "National Semiconductor 32000 series"),
ENUM_ENT(EM_TPC, "Tenor Network TPC processor"),
ENUM_ENT(EM_SNP1K, "EM_SNP1K"),
ENUM_ENT(EM_ST200, "STMicroelectronics ST200 microcontroller"),
ENUM_ENT(EM_IP2K, "Ubicom IP2xxx 8-bit microcontrollers"),
ENUM_ENT(EM_MAX, "MAX Processor"),
ENUM_ENT(EM_CR, "National Semiconductor CompactRISC"),
ENUM_ENT(EM_F2MC16, "Fujitsu F2MC16"),
ENUM_ENT(EM_MSP430, "Texas Instruments msp430 microcontroller"),
ENUM_ENT(EM_BLACKFIN, "Analog Devices Blackfin"),
ENUM_ENT(EM_SE_C33, "S1C33 Family of Seiko Epson processors"),
ENUM_ENT(EM_SEP, "Sharp embedded microprocessor"),
ENUM_ENT(EM_ARCA, "Arca RISC microprocessor"),
ENUM_ENT(EM_UNICORE, "Unicore"),
ENUM_ENT(EM_EXCESS, "eXcess 16/32/64-bit configurable embedded CPU"),
ENUM_ENT(EM_DXP, "Icera Semiconductor Inc. Deep Execution Processor"),
ENUM_ENT(EM_ALTERA_NIOS2, "Altera Nios"),
ENUM_ENT(EM_CRX, "National Semiconductor CRX microprocessor"),
ENUM_ENT(EM_XGATE, "Motorola XGATE embedded processor"),
ENUM_ENT(EM_C166, "Infineon Technologies xc16x"),
ENUM_ENT(EM_M16C, "Renesas M16C"),
ENUM_ENT(EM_DSPIC30F, "Microchip Technology dsPIC30F Digital Signal Controller"),
ENUM_ENT(EM_CE, "Freescale Communication Engine RISC core"),
ENUM_ENT(EM_M32C, "Renesas M32C"),
ENUM_ENT(EM_TSK3000, "Altium TSK3000 core"),
ENUM_ENT(EM_RS08, "Freescale RS08 embedded processor"),
ENUM_ENT(EM_SHARC, "EM_SHARC"),
ENUM_ENT(EM_ECOG2, "Cyan Technology eCOG2 microprocessor"),
ENUM_ENT(EM_SCORE7, "SUNPLUS S+Core"),
ENUM_ENT(EM_DSP24, "New Japan Radio (NJR) 24-bit DSP Processor"),
ENUM_ENT(EM_VIDEOCORE3, "Broadcom VideoCore III processor"),
ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"),
ENUM_ENT(EM_SE_C17, "Seiko Epson C17 family"),
ENUM_ENT(EM_TI_C6000, "Texas Instruments TMS320C6000 DSP family"),
ENUM_ENT(EM_TI_C2000, "Texas Instruments TMS320C2000 DSP family"),
ENUM_ENT(EM_TI_C5500, "Texas Instruments TMS320C55x DSP family"),
ENUM_ENT(EM_MMDSP_PLUS, "STMicroelectronics 64bit VLIW Data Signal Processor"),
ENUM_ENT(EM_CYPRESS_M8C, "Cypress M8C microprocessor"),
ENUM_ENT(EM_R32C, "Renesas R32C series microprocessors"),
ENUM_ENT(EM_TRIMEDIA, "NXP Semiconductors TriMedia architecture family"),
ENUM_ENT(EM_HEXAGON, "Qualcomm Hexagon"),
ENUM_ENT(EM_8051, "Intel 8051 and variants"),
ENUM_ENT(EM_STXP7X, "STMicroelectronics STxP7x family"),
ENUM_ENT(EM_NDS32, "Andes Technology compact code size embedded RISC processor family"),
ENUM_ENT(EM_ECOG1, "Cyan Technology eCOG1 microprocessor"),
ENUM_ENT(EM_ECOG1X, "Cyan Technology eCOG1X family"),
ENUM_ENT(EM_MAXQ30, "Dallas Semiconductor MAXQ30 Core microcontrollers"),
ENUM_ENT(EM_XIMO16, "New Japan Radio (NJR) 16-bit DSP Processor"),
ENUM_ENT(EM_MANIK, "M2000 Reconfigurable RISC Microprocessor"),
ENUM_ENT(EM_CRAYNV2, "Cray Inc. NV2 vector architecture"),
ENUM_ENT(EM_RX, "Renesas RX"),
ENUM_ENT(EM_METAG, "Imagination Technologies Meta processor architecture"),
ENUM_ENT(EM_MCST_ELBRUS, "MCST Elbrus general purpose hardware architecture"),
ENUM_ENT(EM_ECOG16, "Cyan Technology eCOG16 family"),
ENUM_ENT(EM_CR16, "Xilinx MicroBlaze"),
ENUM_ENT(EM_ETPU, "Freescale Extended Time Processing Unit"),
ENUM_ENT(EM_SLE9X, "Infineon Technologies SLE9X core"),
ENUM_ENT(EM_L10M, "EM_L10M"),
ENUM_ENT(EM_K10M, "EM_K10M"),
ENUM_ENT(EM_AARCH64, "AArch64"),
ENUM_ENT(EM_AVR32, "Atmel AVR 8-bit microcontroller"),
ENUM_ENT(EM_STM8, "STMicroeletronics STM8 8-bit microcontroller"),
ENUM_ENT(EM_TILE64, "Tilera TILE64 multicore architecture family"),
ENUM_ENT(EM_TILEPRO, "Tilera TILEPro multicore architecture family"),
ENUM_ENT(EM_CUDA, "NVIDIA CUDA architecture"),
ENUM_ENT(EM_TILEGX, "Tilera TILE-Gx multicore architecture family"),
ENUM_ENT(EM_CLOUDSHIELD, "EM_CLOUDSHIELD"),
ENUM_ENT(EM_COREA_1ST, "EM_COREA_1ST"),
ENUM_ENT(EM_COREA_2ND, "EM_COREA_2ND"),
ENUM_ENT(EM_ARC_COMPACT2, "EM_ARC_COMPACT2"),
ENUM_ENT(EM_OPEN8, "EM_OPEN8"),
ENUM_ENT(EM_RL78, "Renesas RL78"),
ENUM_ENT(EM_VIDEOCORE5, "Broadcom VideoCore V processor"),
ENUM_ENT(EM_78KOR, "EM_78KOR"),
ENUM_ENT(EM_56800EX, "EM_56800EX"),
ENUM_ENT(EM_AMDGPU, "EM_AMDGPU"),
ENUM_ENT(EM_WEBASSEMBLY, "EM_WEBASSEMBLY")
};
static const EnumEntry<unsigned> ElfSymbolBindings[] = {
{"Local", "LOCAL", ELF::STB_LOCAL},
{"Global", "GLOBAL", ELF::STB_GLOBAL},
{"Weak", "WEAK", ELF::STB_WEAK},
{"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}};
static const EnumEntry<unsigned> ElfSymbolTypes[] = {
{"None", "NOTYPE", ELF::STT_NOTYPE},
{"Object", "OBJECT", ELF::STT_OBJECT},
{"Function", "FUNCTION", ELF::STT_FUNC},
{"Section", "SECTION", ELF::STT_SECTION},
{"File", "FILE", ELF::STT_FILE},
{"Common", "COMMON", ELF::STT_COMMON},
{"TLS", "TLS", ELF::STT_TLS},
{"GNU_IFunc", "IFUNC", ELF::STT_GNU_IFUNC}};
static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
{ "AMDGPU_HSA_KERNEL", ELF::STT_AMDGPU_HSA_KERNEL },
{ "AMDGPU_HSA_INDIRECT_FUNCTION", ELF::STT_AMDGPU_HSA_INDIRECT_FUNCTION },
{ "AMDGPU_HSA_METADATA", ELF::STT_AMDGPU_HSA_METADATA }
};
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 char *getGroupType(uint32_t Flag) {
if (Flag & ELF::GRP_COMDAT)
return "COMDAT";
else
return "(unknown)";
}
static const EnumEntry<unsigned> ElfSectionFlags[] = {
ENUM_ENT(SHF_WRITE, "W"),
ENUM_ENT(SHF_ALLOC, "A"),
ENUM_ENT(SHF_EXCLUDE, "E"),
ENUM_ENT(SHF_EXECINSTR, "X"),
ENUM_ENT(SHF_MERGE, "M"),
ENUM_ENT(SHF_STRINGS, "S"),
ENUM_ENT(SHF_INFO_LINK, "I"),
ENUM_ENT(SHF_LINK_ORDER, "L"),
ENUM_ENT(SHF_OS_NONCONFORMING, "o"),
ENUM_ENT(SHF_GROUP, "G"),
ENUM_ENT(SHF_TLS, "T"),
ENUM_ENT_1(XCORE_SHF_CP_SECTION),
ENUM_ENT_1(XCORE_SHF_DP_SECTION),
};
static const EnumEntry<unsigned> ElfAMDGPUSectionFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_GLOBAL),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_READONLY),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_CODE),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_AMDGPU_HSA_AGENT)
};
static const EnumEntry<unsigned> ElfHexagonSectionFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, SHF_HEX_GPREL)
};
static const EnumEntry<unsigned> ElfMipsSectionFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NODUPES),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NAMES ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_LOCAL ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_GPREL ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_MERGE ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_ADDR ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_STRING )
};
static const EnumEntry<unsigned> ElfX86_64SectionFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, SHF_X86_64_LARGE)
};
static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
// Check potentially overlapped processor-specific
// program header type.
switch (Arch) {
case ELF::EM_AMDGPU:
switch (Type) {
LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_GLOBAL_PROGRAM);
LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_GLOBAL_AGENT);
LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_READONLY_AGENT);
LLVM_READOBJ_ENUM_CASE(ELF, PT_AMDGPU_HSA_LOAD_CODE_AGENT);
}
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);
LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
}
}
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_FP64),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_NAN2008),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O64),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI32),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_EABI64),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_3900),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4010),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4100),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4650),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4120),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_4111),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_SB1),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_XLR),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON2),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_OCTEON3),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5400),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5900),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_5500),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_9000),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2E),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS2F),
LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_MACH_LS3A),
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_ASE_MDMX),
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 <typename ELFT>
ELFDumper<ELFT>::ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
: ObjDumper(Writer), Obj(Obj) {
SmallVector<const Elf_Phdr *, 4> LoadSegments;
for (const Elf_Phdr &Phdr : Obj->program_headers()) {
if (Phdr.p_type == ELF::PT_DYNAMIC) {
DynamicProgHeader = &Phdr;
continue;
}
if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
continue;
LoadSegments.push_back(&Phdr);
}
auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
const Elf_Phdr **I = std::upper_bound(
LoadSegments.begin(), LoadSegments.end(), VAddr, compareAddr<ELFT>);
if (I == LoadSegments.begin())
report_fatal_error("Virtual address is not in any segment");
--I;
const Elf_Phdr &Phdr = **I;
uint64_t Delta = VAddr - Phdr.p_vaddr;
if (Delta >= Phdr.p_filesz)
report_fatal_error("Virtual address is not in any segment");
return Obj->base() + Phdr.p_offset + Delta;
};
uint64_t SONameOffset = 0;
const char *StringTableBegin = nullptr;
uint64_t StringTableSize = 0;
for (const Elf_Dyn &Dyn : dynamic_table()) {
switch (Dyn.d_tag) {
case ELF::DT_HASH:
HashTable =
reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
break;
case ELF::DT_GNU_HASH:
GnuHashTable =
reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr()));
break;
case ELF::DT_REL:
DynRelRegion.Addr = toMappedAddr(Dyn.getPtr());
break;
case ELF::DT_RELSZ:
DynRelRegion.Size = Dyn.getVal();
break;
case ELF::DT_RELENT:
DynRelRegion.EntSize = Dyn.getVal();
break;
case ELF::DT_RELA:
DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
break;
case ELF::DT_RELASZ:
DynRelaRegion.Size = Dyn.getVal();
break;
case ELF::DT_RELAENT:
DynRelaRegion.EntSize = Dyn.getVal();
break;
case ELF::DT_SONAME:
SONameOffset = Dyn.getVal();
break;
case ELF::DT_STRTAB:
StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
break;
case ELF::DT_STRSZ:
StringTableSize = Dyn.getVal();
break;
case ELF::DT_SYMTAB:
DynSymStart =
reinterpret_cast<const Elf_Sym *>(toMappedAddr(Dyn.getPtr()));
break;
}
}
if (StringTableBegin)
DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
if (SONameOffset)
SOName = getDynamicString(SONameOffset);
for (const Elf_Shdr &Sec : Obj->sections()) {
switch (Sec.sh_type) {
case ELF::SHT_GNU_versym:
if (dot_gnu_version_sec != nullptr)
reportError("Multiple SHT_GNU_versym");
dot_gnu_version_sec = &Sec;
break;
case ELF::SHT_GNU_verdef:
if (dot_gnu_version_d_sec != nullptr)
reportError("Multiple SHT_GNU_verdef");
dot_gnu_version_d_sec = &Sec;
break;
case ELF::SHT_GNU_verneed:
if (dot_gnu_version_r_sec != nullptr)
reportError("Multilpe SHT_GNU_verneed");
dot_gnu_version_r_sec = &Sec;
break;
case ELF::SHT_DYNSYM:
if (DotDynSymSec != nullptr)
reportError("Multilpe SHT_DYNSYM");
DotDynSymSec = &Sec;
break;
case ELF::SHT_SYMTAB:
if (DotSymtabSec != nullptr)
reportError("Multilpe SHT_SYMTAB");
DotSymtabSec = &Sec;
break;
case ELF::SHT_SYMTAB_SHNDX: {
ErrorOr<ArrayRef<Elf_Word>> TableOrErr = Obj->getSHNDXTable(Sec);
error(TableOrErr.getError());
ShndxTable = *TableOrErr;
break;
}
}
}
if (opts::Output == opts::GNU)
ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer));
else
ELFDumperStyle.reset(new LLVMStyle<ELFT>(Writer));
}
template <typename ELFT>
template <typename REL>
const REL *ELFDumper<ELFT>::dyn_rel_begin(const DynRegionInfo &Region) {
if (Region.Size && Region.EntSize != sizeof(REL))
report_fatal_error("Invalid relocation entry size");
return reinterpret_cast<const REL *>(Region.Addr);
}
template <typename ELFT>
template <typename REL>
const REL *ELFDumper<ELFT>::dyn_rel_end(const DynRegionInfo &Region) {
uint64_t Size = Region.Size;
if (Size % sizeof(REL))
report_fatal_error("Invalid relocation table size");
return dyn_rel_begin<REL>(Region) + Size / sizeof(REL);
}
template <typename ELFT>
typename ELFDumper<ELFT>::Elf_Rel_Range ELFDumper<ELFT>::dyn_rels() const {
return make_range(dyn_rel_begin<Elf_Rel>(DynRelRegion),
dyn_rel_end<Elf_Rel>(DynRelRegion));
}
template <typename ELFT>
typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
return make_range(dyn_rel_begin<Elf_Rela>(DynRelaRegion),
dyn_rel_end<Elf_Rela>(DynRelaRegion));
}
template<class ELFT>
void ELFDumper<ELFT>::printFileHeaders() {
ELFDumperStyle->printFileHeaders(Obj);
}
template<class ELFT>
void ELFDumper<ELFT>::printSections() {
ListScope SectionsD(W, "Sections");
int SectionIndex = -1;
for (const Elf_Shdr &Sec : Obj->sections()) {
++SectionIndex;
StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
DictScope SectionD(W, "Section");
W.printNumber("Index", SectionIndex);
W.printNumber("Name", Name, Sec.sh_name);
W.printHex("Type",
getElfSectionType(Obj->getHeader()->e_machine, Sec.sh_type),
Sec.sh_type);
std::vector<EnumEntry<unsigned>> SectionFlags(std::begin(ElfSectionFlags),
std::end(ElfSectionFlags));
switch (Obj->getHeader()->e_machine) {
case EM_AMDGPU:
SectionFlags.insert(SectionFlags.end(), std::begin(ElfAMDGPUSectionFlags),
std::end(ElfAMDGPUSectionFlags));
break;
case EM_HEXAGON:
SectionFlags.insert(SectionFlags.end(),
std::begin(ElfHexagonSectionFlags),
std::end(ElfHexagonSectionFlags));
break;
case EM_MIPS:
SectionFlags.insert(SectionFlags.end(), std::begin(ElfMipsSectionFlags),
std::end(ElfMipsSectionFlags));
break;
case EM_X86_64:
SectionFlags.insert(SectionFlags.end(), std::begin(ElfX86_64SectionFlags),
std::end(ElfX86_64SectionFlags));
break;
default:
// Nothing to do.
break;
}
W.printFlags("Flags", Sec.sh_flags, makeArrayRef(SectionFlags));
W.printHex("Address", Sec.sh_addr);
W.printHex("Offset", Sec.sh_offset);
W.printNumber("Size", Sec.sh_size);
W.printNumber("Link", Sec.sh_link);
W.printNumber("Info", Sec.sh_info);
W.printNumber("AddressAlignment", Sec.sh_addralign);
W.printNumber("EntrySize", Sec.sh_entsize);
if (opts::SectionRelocations) {
ListScope D(W, "Relocations");
printRelocations(&Sec);
}
if (opts::SectionSymbols) {
ListScope D(W, "Symbols");
const Elf_Shdr *Symtab = DotSymtabSec;
ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
error(StrTableOrErr.getError());
StringRef StrTable = *StrTableOrErr;
for (const Elf_Sym &Sym : Obj->symbols(Symtab)) {
ErrorOr<const Elf_Shdr *> SymSec =
Obj->getSection(&Sym, Symtab, ShndxTable);
if (!SymSec)
continue;
if (*SymSec == &Sec)
printSymbol(&Sym, Symtab, StrTable, false);
}
}
if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(&Sec));
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 (const Elf_Shdr &Sec : Obj->sections()) {
++SectionNumber;
if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
continue;
StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
W.indent();
printRelocations(&Sec);
W.unindent();
W.startLine() << "}\n";
}
}
template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocations() {
if (DynRelRegion.Size && DynRelaRegion.Size)
report_fatal_error("There are both REL and RELA dynamic relocations");
W.startLine() << "Dynamic Relocations {\n";
W.indent();
if (DynRelaRegion.Size > 0)
for (const Elf_Rela &Rela : dyn_relas())
printDynamicRelocation(Rela);
else
for (const Elf_Rel &Rel : dyn_rels()) {
Elf_Rela Rela;
Rela.r_offset = Rel.r_offset;
Rela.r_info = Rel.r_info;
Rela.r_addend = 0;
printDynamicRelocation(Rela);
}
W.unindent();
W.startLine() << "}\n";
}
template <class ELFT>
void ELFDumper<ELFT>::printRelocations(const Elf_Shdr *Sec) {
ErrorOr<const Elf_Shdr *> SymTabOrErr = Obj->getSection(Sec->sh_link);
error(SymTabOrErr.getError());
const Elf_Shdr *SymTab = *SymTabOrErr;
switch (Sec->sh_type) {
case ELF::SHT_REL:
for (const Elf_Rel &R : Obj->rels(Sec)) {
Elf_Rela Rela;
Rela.r_offset = R.r_offset;
Rela.r_info = R.r_info;
Rela.r_addend = 0;
printRelocation(Rela, SymTab);
}
break;
case ELF::SHT_RELA:
for (const Elf_Rela &R : Obj->relas(Sec))
printRelocation(R, SymTab);
break;
}
}
template <class ELFT>
void ELFDumper<ELFT>::printRelocation(Elf_Rela Rel, const Elf_Shdr *SymTab) {
SmallString<32> RelocName;
Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
StringRef TargetName;
const Elf_Sym *Sym = Obj->getRelocationSymbol(&Rel, SymTab);
if (Sym && Sym->getType() == ELF::STT_SECTION) {
ErrorOr<const Elf_Shdr *> Sec = Obj->getSection(Sym, SymTab, ShndxTable);
error(Sec.getError());
ErrorOr<StringRef> SecName = Obj->getSectionName(*Sec);
if (SecName)
TargetName = SecName.get();
} else if (Sym) {
ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*SymTab);
error(StrTableOrErr.getError());
TargetName = errorOrDefault(Sym->getName(*StrTableOrErr));
}
if (opts::ExpandRelocs) {
DictScope Group(W, "Relocation");
W.printHex("Offset", Rel.r_offset);
W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
W.printNumber("Symbol", TargetName.size() > 0 ? TargetName : "-",
Rel.getSymbol(Obj->isMips64EL()));
W.printHex("Addend", Rel.r_addend);
} else {
raw_ostream& OS = W.startLine();
OS << W.hex(Rel.r_offset) << " " << RelocName << " "
<< (TargetName.size() > 0 ? TargetName : "-") << " "
<< W.hex(Rel.r_addend) << "\n";
}
}
template <class ELFT>
void ELFDumper<ELFT>::printDynamicRelocation(Elf_Rela Rel) {
SmallString<32> RelocName;
Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
StringRef SymbolName;
uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
const Elf_Sym *Sym = DynSymStart + SymIndex;
SymbolName = errorOrDefault(Sym->getName(DynamicStringTable));
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>::printSymbolsHelper(bool IsDynamic) {
const Elf_Shdr *Symtab = (IsDynamic) ? DotDynSymSec : DotSymtabSec;
if (!Symtab)
return;
ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
error(StrTableOrErr.getError());
StringRef StrTable = *StrTableOrErr;
for (const Elf_Sym &Sym : Obj->symbols(Symtab))
printSymbol(&Sym, Symtab, StrTable, IsDynamic);
}
template<class ELFT>
void ELFDumper<ELFT>::printSymbols() {
ListScope Group(W, "Symbols");
printSymbolsHelper(false);
}
template<class ELFT>
void ELFDumper<ELFT>::printDynamicSymbols() {
ListScope Group(W, "DynamicSymbols");
printSymbolsHelper(true);
}
template <class ELFT>
void ELFDumper<ELFT>::printSymbol(const Elf_Sym *Symbol, const Elf_Shdr *SymTab,
StringRef StrTable, bool IsDynamic) {
unsigned SectionIndex = 0;
StringRef SectionName;
getSectionNameIndex(*Obj, Symbol, SymTab, ShndxTable, SectionName,
SectionIndex);
std::string FullSymbolName = getFullSymbolName(Symbol, StrTable, IsDynamic);
unsigned char SymbolType = Symbol->getType();
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));
if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
W.printEnum ("Type", SymbolType, makeArrayRef(AMDGPUSymbolTypes));
else
W.printEnum ("Type", SymbolType, 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(FLAGS_1);
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(VERDEF);
LLVM_READOBJ_TYPE_CASE(VERDEFNUM);
LLVM_READOBJ_TYPE_CASE(VERNEED);
LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
LLVM_READOBJ_TYPE_CASE(VERSYM);
LLVM_READOBJ_TYPE_CASE(RELACOUNT);
LLVM_READOBJ_TYPE_CASE(RELCOUNT);
LLVM_READOBJ_TYPE_CASE(GNU_HASH);
LLVM_READOBJ_TYPE_CASE(TLSDESC_PLT);
LLVM_READOBJ_TYPE_CASE(TLSDESC_GOT);
LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP_REL);
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);
LLVM_READOBJ_TYPE_CASE(MIPS_OPTIONS);
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> ElfDynamicDTFlags1[] = {
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
};
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>
StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
if (Value >= DynamicStringTable.size())
reportError("Invalid dynamic string table reference");
return StringRef(DynamicStringTable.data() + Value);
}
template <class ELFT>
void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
raw_ostream &OS = W.getOStream();
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_VERDEF:
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_RLD_MAP_REL:
case DT_MIPS_PLTGOT:
case DT_MIPS_OPTIONS:
OS << format("0x%" PRIX64, Value);
break;
case DT_RELACOUNT:
case DT_RELCOUNT:
case DT_VERDEFNUM:
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 (" << getDynamicString(Value) << ")";
break;
case DT_SONAME:
OS << "LibrarySoname (" << getDynamicString(Value) << ")";
break;
case DT_RPATH:
case DT_RUNPATH:
OS << getDynamicString(Value);
break;
case DT_MIPS_FLAGS:
printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
break;
case DT_FLAGS:
printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
break;
case DT_FLAGS_1:
printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
break;
default:
OS << format("0x%" PRIX64, Value);
break;
}
}
template<class ELFT>
void ELFDumper<ELFT>::printUnwindInfo() {
W.startLine() << "UnwindInfo not implemented.\n";
}
namespace {
template <> void ELFDumper<ELFType<support::little, false>>::printUnwindInfo() {
const unsigned Machine = Obj->getHeader()->e_machine;
if (Machine == EM_ARM) {
ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(
W, Obj, DotSymtabSec);
return Ctx.PrintUnwindInformation();
}
W.startLine() << "UnwindInfo not implemented.\n";
}
}
template<class ELFT>
void ELFDumper<ELFT>::printDynamicTable() {
auto I = dynamic_table_begin();
auto E = dynamic_table_end();
if (I == E)
return;
--E;
while (I != E && E->getTag() == ELF::DT_NULL)
--E;
if (E->getTag() != ELF::DT_NULL)
++E;
++E;
ptrdiff_t Total = std::distance(I, E);
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";
while (I != E) {
const Elf_Dyn &Entry = *I;
uintX_t Tag = Entry.getTag();
++I;
W.startLine() << " " << format_hex(Tag, Is64 ? 18 : 10, true) << " "
<< format("%-21s", getTypeString(Tag));
printValue(Tag, Entry.getVal());
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 : dynamic_table())
if (Entry.d_tag == ELF::DT_NEEDED)
Libs.push_back(getDynamicString(Entry.d_un.d_val));
std::stable_sort(Libs.begin(), Libs.end());
for (const auto &L : Libs) {
outs() << " " << L << "\n";
}
}
template<class ELFT>
void ELFDumper<ELFT>::printProgramHeaders() {
ListScope L(W, "ProgramHeaders");
for (const Elf_Phdr &Phdr : Obj->program_headers()) {
DictScope P(W, "ProgramHeader");
W.printHex("Type",
getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
Phdr.p_type);
W.printHex("Offset", Phdr.p_offset);
W.printHex("VirtualAddress", Phdr.p_vaddr);
W.printHex("PhysicalAddress", Phdr.p_paddr);
W.printNumber("FileSize", Phdr.p_filesz);
W.printNumber("MemSize", Phdr.p_memsz);
W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
W.printNumber("Alignment", Phdr.p_align);
}
}
template <typename ELFT>
void ELFDumper<ELFT>::printHashTable() {
DictScope D(W, "HashTable");
if (!HashTable)
return;
W.printNumber("Num Buckets", HashTable->nbucket);
W.printNumber("Num Chains", HashTable->nchain);
W.printList("Buckets", HashTable->buckets());
W.printList("Chains", HashTable->chains());
}
template <typename ELFT>
void ELFDumper<ELFT>::printGnuHashTable() {
DictScope D(W, "GnuHashTable");
if (!GnuHashTable)
return;
W.printNumber("Num Buckets", GnuHashTable->nbuckets);
W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx);
W.printNumber("Num Mask Words", GnuHashTable->maskwords);
W.printNumber("Shift Count", GnuHashTable->shift2);
W.printHexList("Bloom Filter", GnuHashTable->filter());
W.printList("Buckets", GnuHashTable->buckets());
if (!DotDynSymSec)
reportError("No dynamic symbol section");
W.printHexList("Values",
GnuHashTable->values(DotDynSymSec->getEntityCount()));
}
template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
outs() << "LoadName: " << SOName << '\n';
}
template <class ELFT>
void ELFDumper<ELFT>::printAttributes() {
W.startLine() << "Attributes not implemented.\n";
}
namespace {
template <> void ELFDumper<ELFType<support::little, false>>::printAttributes() {
if (Obj->getHeader()->e_machine != EM_ARM) {
W.startLine() << "Attributes not implemented.\n";
return;
}
DictScope BA(W, "BuildAttributes");
for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
continue;
ErrorOr<ArrayRef<uint8_t>> Contents = Obj->getSectionContents(&Sec);
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> ELFO;
typedef typename ELFO::Elf_Shdr Elf_Shdr;
typedef typename ELFO::Elf_Sym Elf_Sym;
typedef typename ELFO::Elf_Dyn_Range Elf_Dyn_Range;
typedef typename ELFO::Elf_Addr GOTEntry;
typedef typename ELFO::Elf_Rel Elf_Rel;
typedef typename ELFO::Elf_Rela Elf_Rela;
MipsGOTParser(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
Elf_Dyn_Range DynTable, StreamWriter &W);
void parseGOT();
void parsePLT();
private:
ELFDumper<ELFT> *Dumper;
const ELFO *Obj;
StreamWriter &W;
llvm::Optional<uint64_t> DtPltGot;
llvm::Optional<uint64_t> DtLocalGotNum;
llvm::Optional<uint64_t> DtGotSym;
llvm::Optional<uint64_t> DtMipsPltGot;
llvm::Optional<uint64_t> DtJmpRel;
std::size_t getGOTTotal(ArrayRef<uint8_t> GOT) const;
const GOTEntry *makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
void printGotEntry(uint64_t GotAddr, const GOTEntry *BeginIt,
const GOTEntry *It);
void printGlobalGotEntry(uint64_t GotAddr, const GOTEntry *BeginIt,
const GOTEntry *It, const Elf_Sym *Sym,
StringRef StrTable, bool IsDynamic);
void printPLTEntry(uint64_t PLTAddr, const GOTEntry *BeginIt,
const GOTEntry *It, StringRef Purpose);
void printPLTEntry(uint64_t PLTAddr, const GOTEntry *BeginIt,
const GOTEntry *It, StringRef StrTable,
const Elf_Sym *Sym);
};
}
template <class ELFT>
MipsGOTParser<ELFT>::MipsGOTParser(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
Elf_Dyn_Range DynTable, StreamWriter &W)
: Dumper(Dumper), Obj(Obj), W(W) {
for (const auto &Entry : DynTable) {
switch (Entry.getTag()) {
case ELF::DT_PLTGOT:
DtPltGot = Entry.getVal();
break;
case ELF::DT_MIPS_LOCAL_GOTNO:
DtLocalGotNum = Entry.getVal();
break;
case ELF::DT_MIPS_GOTSYM:
DtGotSym = Entry.getVal();
break;
case ELF::DT_MIPS_PLTGOT:
DtMipsPltGot = Entry.getVal();
break;
case ELF::DT_JMPREL:
DtJmpRel = Entry.getVal();
break;
}
}
}
template <class ELFT> void MipsGOTParser<ELFT>::parseGOT() {
// 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
if (!DtPltGot) {
W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
return;
}
if (!DtLocalGotNum) {
W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
return;
}
if (!DtGotSym) {
W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
return;
}
const Elf_Shdr *DynSymSec = Dumper->getDotDynSymSec();
ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(*DynSymSec);
error(StrTable.getError());
const Elf_Sym *DynSymBegin = Obj->symbol_begin(DynSymSec);
const Elf_Sym *DynSymEnd = Obj->symbol_end(DynSymSec);
std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
if (*DtGotSym > DynSymTotal)
report_fatal_error("MIPS_GOTSYM exceeds a number of dynamic symbols");
std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
if (*DtLocalGotNum + GlobalGotNum == 0) {
W.startLine() << "GOT is empty.\n";
return;
}
const Elf_Shdr *GOTShdr = findNotEmptySectionByAddress(Obj, *DtPltGot);
if (!GOTShdr)
report_fatal_error("There is no not empty GOT section at 0x" +
Twine::utohexstr(*DtPltGot));
ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(GOTShdr);
if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT))
report_fatal_error("Number of GOT entries exceeds the size of GOT section");
const GOTEntry *GotBegin = makeGOTIter(*GOT, 0);
const GOTEntry *GotLocalEnd = makeGOTIter(*GOT, *DtLocalGotNum);
const GOTEntry *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");
const GOTEntry *GotGlobalEnd =
makeGOTIter(*GOT, *DtLocalGotNum + GlobalGotNum);
const Elf_Sym *GotDynSym = DynSymBegin + *DtGotSym;
for (; It != GotGlobalEnd; ++It) {
DictScope D(W, "Entry");
printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++,
*StrTable, true);
}
}
std::size_t SpecGotNum = getGOTTotal(*GOT) - *DtLocalGotNum - GlobalGotNum;
W.printNumber("Number of TLS and multi-GOT entries", uint64_t(SpecGotNum));
}
template <class ELFT> void MipsGOTParser<ELFT>::parsePLT() {
if (!DtMipsPltGot) {
W.startLine() << "Cannot find MIPS_PLTGOT dynamic table tag.\n";
return;
}
if (!DtJmpRel) {
W.startLine() << "Cannot find JMPREL dynamic table tag.\n";
return;
}
const Elf_Shdr *PLTShdr = findNotEmptySectionByAddress(Obj, *DtMipsPltGot);
if (!PLTShdr)
report_fatal_error("There is no not empty PLTGOT section at 0x " +
Twine::utohexstr(*DtMipsPltGot));
ErrorOr<ArrayRef<uint8_t>> PLT = Obj->getSectionContents(PLTShdr);
const Elf_Shdr *PLTRelShdr = findNotEmptySectionByAddress(Obj, *DtJmpRel);
if (!PLTRelShdr)
report_fatal_error("There is no not empty RELPLT section at 0x" +
Twine::utohexstr(*DtJmpRel));
ErrorOr<const Elf_Shdr *> SymTableOrErr =
Obj->getSection(PLTRelShdr->sh_link);
error(SymTableOrErr.getError());
const Elf_Shdr *SymTable = *SymTableOrErr;
ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(*SymTable);
error(StrTable.getError());
const GOTEntry *PLTBegin = makeGOTIter(*PLT, 0);
const GOTEntry *PLTEnd = makeGOTIter(*PLT, getGOTTotal(*PLT));
const GOTEntry *It = PLTBegin;
DictScope GS(W, "PLT GOT");
{
ListScope RS(W, "Reserved entries");
printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "PLT lazy resolver");
if (It != PLTEnd)
printPLTEntry(PLTShdr->sh_addr, PLTBegin, It++, "Module pointer");
}
{
ListScope GS(W, "Entries");
switch (PLTRelShdr->sh_type) {
case ELF::SHT_REL:
for (const Elf_Rel *RI = Obj->rel_begin(PLTRelShdr),
*RE = Obj->rel_end(PLTRelShdr);
RI != RE && It != PLTEnd; ++RI, ++It) {
const Elf_Sym *Sym = Obj->getRelocationSymbol(&*RI, SymTable);
printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
}
break;
case ELF::SHT_RELA:
for (const Elf_Rela *RI = Obj->rela_begin(PLTRelShdr),
*RE = Obj->rela_end(PLTRelShdr);
RI != RE && It != PLTEnd; ++RI, ++It) {
const Elf_Sym *Sym = Obj->getRelocationSymbol(&*RI, SymTable);
printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
}
break;
}
}
}
template <class ELFT>
std::size_t MipsGOTParser<ELFT>::getGOTTotal(ArrayRef<uint8_t> GOT) const {
return GOT.size() / sizeof(GOTEntry);
}
template <class ELFT>
const typename MipsGOTParser<ELFT>::GOTEntry *
MipsGOTParser<ELFT>::makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum) {
const char *Data = reinterpret_cast<const char *>(GOT.data());
return reinterpret_cast<const GOTEntry *>(Data + EntryNum * sizeof(GOTEntry));
}
template <class ELFT>
void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr,
const GOTEntry *BeginIt,
const GOTEntry *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, const GOTEntry *BeginIt, const GOTEntry *It,
const Elf_Sym *Sym, StringRef StrTable, bool IsDynamic) {
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, Dumper->getDotDynSymSec(),
Dumper->getShndxTable(), SectionName, SectionIndex);
W.printHex("Section", SectionName, SectionIndex);
std::string FullSymbolName =
Dumper->getFullSymbolName(Sym, StrTable, IsDynamic);
W.printNumber("Name", FullSymbolName, Sym->st_name);
}
template <class ELFT>
void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr,
const GOTEntry *BeginIt,
const GOTEntry *It, StringRef Purpose) {
DictScope D(W, "Entry");
int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
W.printHex("Address", PLTAddr + Offset);
W.printHex("Initial", *It);
W.printString("Purpose", Purpose);
}
template <class ELFT>
void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr,
const GOTEntry *BeginIt,
const GOTEntry *It, StringRef StrTable,
const Elf_Sym *Sym) {
DictScope D(W, "Entry");
int64_t Offset = std::distance(BeginIt, It) * sizeof(GOTEntry);
W.printHex("Address", PLTAddr + Offset);
W.printHex("Initial", *It);
W.printHex("Value", Sym->st_value);
W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
unsigned SectionIndex = 0;
StringRef SectionName;
getSectionNameIndex(*Obj, Sym, Dumper->getDotDynSymSec(),
Dumper->getShndxTable(), SectionName, SectionIndex);
W.printHex("Section", SectionName, SectionIndex);
std::string FullSymbolName = Dumper->getFullSymbolName(Sym, StrTable, true);
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;
}
MipsGOTParser<ELFT> GOTParser(this, Obj, dynamic_table(), W);
GOTParser.parseGOT();
GOTParser.parsePLT();
}
static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
{"None", Mips::AFL_EXT_NONE},
{"Broadcom SB-1", Mips::AFL_EXT_SB1},
{"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON},
{"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
{"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
{"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
{"LSI R4010", Mips::AFL_EXT_4010},
{"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E},
{"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F},
{"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A},
{"MIPS R4650", Mips::AFL_EXT_4650},
{"MIPS R5900", Mips::AFL_EXT_5900},
{"MIPS R10000", Mips::AFL_EXT_10000},
{"NEC VR4100", Mips::AFL_EXT_4100},
{"NEC VR4111/VR4181", Mips::AFL_EXT_4111},
{"NEC VR4120", Mips::AFL_EXT_4120},
{"NEC VR5400", Mips::AFL_EXT_5400},
{"NEC VR5500", Mips::AFL_EXT_5500},
{"RMI Xlr", Mips::AFL_EXT_XLR},
{"Toshiba R3900", Mips::AFL_EXT_3900}
};
static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
{"DSP", Mips::AFL_ASE_DSP},
{"DSPR2", Mips::AFL_ASE_DSPR2},
{"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
{"MCU", Mips::AFL_ASE_MCU},
{"MDMX", Mips::AFL_ASE_MDMX},
{"MIPS-3D", Mips::AFL_ASE_MIPS3D},
{"MT", Mips::AFL_ASE_MT},
{"SmartMIPS", Mips::AFL_ASE_SMARTMIPS},
{"VZ", Mips::AFL_ASE_VIRT},
{"MSA", Mips::AFL_ASE_MSA},
{"MIPS16", Mips::AFL_ASE_MIPS16},
{"microMIPS", Mips::AFL_ASE_MICROMIPS},
{"XPA", Mips::AFL_ASE_XPA}
};
static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
{"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY},
{"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
{"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
{"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT},
{"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
{"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX},
{"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
{"Hard float compat (32-bit CPU, 64-bit FPU)",
Mips::Val_GNU_MIPS_ABI_FP_64A}
};
static const EnumEntry<unsigned> ElfMipsFlags1[] {
{"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
};
static int getMipsRegisterSize(uint8_t Flag) {
switch (Flag) {
case Mips::AFL_REG_NONE:
return 0;
case Mips::AFL_REG_32:
return 32;
case Mips::AFL_REG_64:
return 64;
case Mips::AFL_REG_128:
return 128;
default:
return -1;
}
}
template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
if (!Shdr) {
W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
return;
}
ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
if (!Sec) {
W.startLine() << "The .MIPS.abiflags section is empty.\n";
return;
}
if (Sec->size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
return;
}
auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec->data());
raw_ostream &OS = W.getOStream();
DictScope GS(W, "MIPS ABI Flags");
W.printNumber("Version", Flags->version);
W.startLine() << "ISA: ";
if (Flags->isa_rev <= 1)
OS << format("MIPS%u", Flags->isa_level);
else
OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
OS << "\n";
W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
W.printHex("Flags 2", Flags->flags2);
}
template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
if (!Shdr) {
W.startLine() << "There is no .reginfo section in the file.\n";
return;
}
ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
if (!Sec) {
W.startLine() << "The .reginfo section is empty.\n";
return;
}
if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
W.startLine() << "The .reginfo section has a wrong size.\n";
return;
}
auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
DictScope GS(W, "MIPS RegInfo");
W.printHex("GP", Reginfo->ri_gp_value);
W.printHex("General Mask", Reginfo->ri_gprmask);
W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
}
template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
const Elf_Shdr *StackMapSection = nullptr;
for (const auto &Sec : Obj->sections()) {
ErrorOr<StringRef> Name = Obj->getSectionName(&Sec);
if (*Name == ".llvm_stackmaps") {
StackMapSection = &Sec;
break;
}
}
if (!StackMapSection)
return;
StringRef StackMapContents;
ErrorOr<ArrayRef<uint8_t>> StackMapContentsArray =
Obj->getSectionContents(StackMapSection);
prettyPrintStackMap(
llvm::outs(),
StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));
}
template <class ELFT> void ELFDumper<ELFT>::printGroupSections() {
DictScope Lists(W, "Groups");
uint32_t SectionIndex = 0;
bool HasGroups = false;
for (const Elf_Shdr &Sec : Obj->sections()) {
if (Sec.sh_type == ELF::SHT_GROUP) {
HasGroups = true;
ErrorOr<const Elf_Shdr *> Symtab =
errorOrDefault(Obj->getSection(Sec.sh_link));
ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(**Symtab);
error(StrTableOrErr.getError());
StringRef StrTable = *StrTableOrErr;
const Elf_Sym *Sym =
Obj->template getEntry<Elf_Sym>(*Symtab, Sec.sh_info);
auto Data = errorOrDefault(
Obj->template getSectionContentsAsArray<Elf_Word>(&Sec));
DictScope D(W, "Group");
StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
W.printNumber("Name", Name, Sec.sh_name);
W.printNumber("Index", SectionIndex);
W.printHex("Type", getGroupType(Data[0]), Data[0]);
W.startLine() << "Signature: " << StrTable.data() + Sym->st_name << "\n";
{
ListScope L(W, "Section(s) in group");
size_t Member = 1;
while (Member < Data.size()) {
auto Sec = errorOrDefault(Obj->getSection(Data[Member]));
const StringRef Name = errorOrDefault(Obj->getSectionName(Sec));
W.startLine() << Name << " (" << Data[Member++] << ")\n";
}
}
}
++SectionIndex;
}
if (!HasGroups)
W.startLine() << "There are no group sections in the file.\n";
}
template <class ELFT>
void GNUStyle<ELFT>::printFileHeaders(const ELFFile<ELFT> *Obj) {
const Elf_Ehdr *e = Obj->getHeader();
OS << "ELF Header:\n";
OS << " Magic: ";
std::string Str;
auto printFields = [this](StringRef Str1, StringRef Str2) -> void {
OS.PadToColumn(2u);
OS << Str1;
OS.PadToColumn(37u);
OS << Str2 << "\n";
OS.flush();
};
for (int i = 0; i < ELF::EI_NIDENT; i++)
OS << format(" %02x", static_cast<int>(e->e_ident[i]));
OS << "\n";
Str = printEnum(e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
printFields("Class:", Str);
Str = printEnum(e->e_ident[ELF::EI_DATA], makeArrayRef(ElfDataEncoding));
printFields("Data:", Str);
OS.PadToColumn(2u);
OS << "Version:";
OS.PadToColumn(37u);
OS << to_hexString(e->e_ident[ELF::EI_VERSION]);
if (e->e_version == ELF::EV_CURRENT)
OS << " (current)";
OS << "\n";
Str = printEnum(e->e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI));
printFields("OS/ABI:", Str);
Str = "0x" + to_hexString(e->e_version);
Str = to_hexString(e->e_ident[ELF::EI_ABIVERSION]);
printFields("ABI Version:", Str);
Str = printEnum(e->e_type, makeArrayRef(ElfObjectFileType));
printFields("Type:", Str);
Str = printEnum(e->e_machine, makeArrayRef(ElfMachineType));
printFields("Machine:", Str);
Str = "0x" + to_hexString(e->e_version);
printFields("Version:", Str);
Str = "0x" + to_hexString(e->e_entry);
printFields("Entry point address:", Str);
Str = to_string(e->e_phoff) + " (bytes into file)";
printFields("Start of program headers:", Str);
Str = to_string(e->e_shoff) + " (bytes into file)";
printFields("Start of section headers:", Str);
Str = "0x" + to_hexString(e->e_flags);
printFields("Flags:", Str);
Str = to_string(e->e_ehsize) + " (bytes)";
printFields("Size of this header:", Str);
Str = to_string(e->e_phentsize) + " (bytes)";
printFields("Size of program headers:", Str);
Str = to_string(e->e_phnum);
printFields("Number of program headers:", Str);
Str = to_string(e->e_shentsize) + " (bytes)";
printFields("Size of section headers:", Str);
Str = to_string(e->e_shnum);
printFields("Number of section headers:", Str);
Str = to_string(e->e_shstrndx);
printFields("Section header string table index:", Str);
}
template <class ELFT>
void LLVMStyle<ELFT>::printFileHeaders(const ELFFile<ELFT> *Obj) {
const Elf_Ehdr *e = Obj->getHeader();
{
DictScope D(W, "ElfHeader");
{
DictScope D(W, "Ident");
W.printBinary("Magic", makeArrayRef(e->e_ident).slice(ELF::EI_MAG0, 4));
W.printEnum("Class", e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
W.printEnum("DataEncoding", e->e_ident[ELF::EI_DATA],
makeArrayRef(ElfDataEncoding));
W.printNumber("FileVersion", e->e_ident[ELF::EI_VERSION]);
// Handle architecture specific OS/ABI values.
if (e->e_machine == ELF::EM_AMDGPU &&
e->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
else
W.printEnum("OS/ABI", e->e_ident[ELF::EI_OSABI],
makeArrayRef(ElfOSABI));
W.printNumber("ABIVersion", e->e_ident[ELF::EI_ABIVERSION]);
W.printBinary("Unused", makeArrayRef(e->e_ident).slice(ELF::EI_PAD));
}
W.printEnum("Type", e->e_type, makeArrayRef(ElfObjectFileType));
W.printEnum("Machine", e->e_machine, makeArrayRef(ElfMachineType));
W.printNumber("Version", e->e_version);
W.printHex("Entry", e->e_entry);
W.printHex("ProgramHeaderOffset", e->e_phoff);
W.printHex("SectionHeaderOffset", e->e_shoff);
if (e->e_machine == EM_MIPS)
W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
unsigned(ELF::EF_MIPS_MACH));
else
W.printFlags("Flags", e->e_flags);
W.printNumber("HeaderSize", e->e_ehsize);
W.printNumber("ProgramHeaderEntrySize", e->e_phentsize);
W.printNumber("ProgramHeaderCount", e->e_phnum);
W.printNumber("SectionHeaderEntrySize", e->e_shentsize);
W.printNumber("SectionHeaderCount", e->e_shnum);
W.printNumber("StringTableSectionIndex", e->e_shstrndx);
}
}
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