#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/Support/Compiler.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/MipsABIFlags.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
template<typename ELFT>
class ELFDumper : public ObjDumper {
public:
- ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
- : ObjDumper(Writer), Obj(Obj) {}
+ 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 printLoadName() override;
void printAttributes() override;
void printMipsPLTGOT() override;
+ void printMipsABIFlags() override;
+ void printMipsReginfo() override;
+
+ void printStackMap() const 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);
+ typedef typename ELFO::Elf_Dyn Elf_Dyn;
+ typedef typename ELFO::Elf_Dyn_Range Elf_Dyn_Range;
+ typedef typename ELFO::Elf_Rela Elf_Rela;
+ typedef typename ELFO::Elf_Rela_Range Elf_Rela_Range;
+ typedef typename ELFO::Elf_Phdr Elf_Phdr;
+ typedef typename ELFO::Elf_Hash Elf_Hash;
+ typedef typename ELFO::uintX_t uintX_t;
+
+ /// \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 printSymbol(const Elf_Sym *Symbol, StringRef StrTable, bool IsDynamic);
void printRelocations(const Elf_Shdr *Sec);
void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
+ void printValue(uint64_t Type, uint64_t Value);
+
+ const Elf_Rela *dyn_rela_begin() const;
+ const Elf_Rela *dyn_rela_end() const;
+ Elf_Rela_Range dyn_relas() const;
+ StringRef getDynamicString(uint64_t Offset) const;
+ const Elf_Dyn *dynamic_table_begin() const;
+ const Elf_Dyn *dynamic_table_end() const;
+ Elf_Dyn_Range dynamic_table() const {
+ return make_range(dynamic_table_begin(), dynamic_table_end());
+ }
const ELFO *Obj;
+ DynRegionInfo DynRelaRegion;
+ DynRegionInfo DynamicRegion;
+ StringRef DynamicStringTable;
+ StringRef SOName;
+ const Elf_Hash *HashTable = nullptr;
};
template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
template <typename ELFO>
static std::string getFullSymbolName(const ELFO &Obj,
- typename ELFO::Elf_Sym_Iter Symbol) {
- StringRef SymbolName = errorOrDefault(Obj.getSymbolName(Symbol));
- if (!Symbol.isDynamic())
+ const typename ELFO::Elf_Sym *Symbol,
+ StringRef StrTable, bool IsDynamic) {
+ StringRef SymbolName = errorOrDefault(Symbol->getName(StrTable));
+ if (!IsDynamic)
return SymbolName;
std::string FullSymbolName(SymbolName);
bool IsDefault;
ErrorOr<StringRef> Version =
- Obj.getSymbolVersion(nullptr, &*Symbol, IsDefault);
+ Obj.getSymbolVersion(StrTable, &*Symbol, IsDefault);
if (Version) {
FullSymbolName += (IsDefault ? "@@" : "@");
FullSymbolName += *Version;
template <typename ELFO>
static void
-getSectionNameIndex(const ELFO &Obj, typename ELFO::Elf_Sym_Iter Symbol,
+getSectionNameIndex(const ELFO &Obj, const typename ELFO::Elf_Sym *Symbol,
StringRef &SectionName, unsigned &SectionIndex) {
SectionIndex = Symbol->st_shndx;
- if (SectionIndex == SHN_UNDEF) {
+ if (Symbol->isUndefined())
SectionName = "Undefined";
- } else if (SectionIndex >= SHN_LOPROC && SectionIndex <= SHN_HIPROC) {
+ else if (Symbol->isProcessorSpecific())
SectionName = "Processor Specific";
- } else if (SectionIndex >= SHN_LOOS && SectionIndex <= SHN_HIOS) {
+ else if (Symbol->isOSSpecific())
SectionName = "Operating System Specific";
- } else if (SectionIndex > SHN_HIOS && SectionIndex < SHN_ABS) {
- SectionName = "Reserved";
- } else if (SectionIndex == SHN_ABS) {
+ else if (Symbol->isAbsolute())
SectionName = "Absolute";
- } else if (SectionIndex == SHN_COMMON) {
+ else if (Symbol->isCommon())
SectionName = "Common";
- } else {
+ else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
+ SectionName = "Reserved";
+ else {
if (SectionIndex == SHN_XINDEX)
- SectionIndex = Obj.getSymbolTableIndex(&*Symbol);
- assert(SectionIndex != SHN_XINDEX &&
- "getSymbolTableIndex should handle this");
- const typename ELFO::Elf_Shdr *Sec = Obj.getSection(SectionIndex);
- SectionName = errorOrDefault(Obj.getSectionName(Sec));
+ SectionIndex = Obj.getExtendedSymbolTableIndex(&*Symbol);
+ ErrorOr<const typename ELFO::Elf_Shdr *> Sec = Obj.getSection(SectionIndex);
+ error(Sec.getError());
+ SectionName = errorOrDefault(Obj.getSectionName(*Sec));
}
}
return nullptr;
}
+template <class ELFT>
+static const typename ELFFile<ELFT>::Elf_Shdr *
+findSectionByName(const ELFFile<ELFT> &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", ELF::ELFCLASSNONE },
{ "32-bit", ELF::ELFCLASS32 },
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_IAMCU ),
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_RL78 ),
LLVM_READOBJ_ENUM_ENT(ELF, EM_VIDEOCORE5 ),
LLVM_READOBJ_ENUM_ENT(ELF, EM_78KOR ),
- LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX )
+ LLVM_READOBJ_ENUM_ENT(ELF, EM_56800EX ),
+ LLVM_READOBJ_ENUM_ENT(ELF, EM_AMDGPU )
};
static const EnumEntry<unsigned> ElfSymbolBindings[] = {
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);
}
}
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_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) {
+ DynamicRegion.Addr = Obj->base() + Phdr.p_offset;
+ uint64_t Size = Phdr.p_filesz;
+ if (Size % sizeof(Elf_Dyn))
+ report_fatal_error("Invalid dynamic table size");
+ DynamicRegion.Size = Phdr.p_filesz;
+ 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_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;
+ }
+ }
+ if (StringTableBegin)
+ DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
+ if (SONameOffset)
+ SOName = getDynamicString(SONameOffset);
+}
+
+template <typename ELFT>
+const typename ELFDumper<ELFT>::Elf_Rela *
+ELFDumper<ELFT>::dyn_rela_begin() const {
+ if (DynRelaRegion.Size && DynRelaRegion.EntSize != sizeof(Elf_Rela))
+ report_fatal_error("Invalid relocation entry size");
+ return reinterpret_cast<const Elf_Rela *>(DynRelaRegion.Addr);
+}
+
+template <typename ELFT>
+const typename ELFDumper<ELFT>::Elf_Rela *
+ELFDumper<ELFT>::dyn_rela_end() const {
+ uint64_t Size = DynRelaRegion.Size;
+ if (Size % sizeof(Elf_Rela))
+ report_fatal_error("Invalid relocation table size");
+ return dyn_rela_begin() + Size / sizeof(Elf_Rela);
+}
+
+template <typename ELFT>
+typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
+ return make_range(dyn_rela_begin(), dyn_rela_end());
+}
+
+template <typename ELFT>
+const typename ELFDumper<ELFT>::Elf_Dyn *
+ELFDumper<ELFT>::dynamic_table_begin() const {
+ return reinterpret_cast<const Elf_Dyn *>(DynamicRegion.Addr);
+}
+
+template <typename ELFT>
+const typename ELFDumper<ELFT>::Elf_Dyn *
+ELFDumper<ELFT>::dynamic_table_end() const {
+ uint64_t Size = DynamicRegion.Size;
+ return dynamic_table_begin() + Size / sizeof(Elf_Dyn);
+}
+
template<class ELFT>
void ELFDumper<ELFT>::printFileHeaders() {
const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
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],
+
+ // Handle architecture specific OS/ABI values.
+ if (Header->e_machine == ELF::EM_AMDGPU &&
+ Header->e_ident[ELF::EI_OSABI] == ELF::ELFOSABI_AMDGPU_HSA)
+ W.printHex("OS/ABI", "AMDGPU_HSA", ELF::ELFOSABI_AMDGPU_HSA);
+ else
+ 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.printHex ("SectionHeaderOffset", Header->e_shoff);
if (Header->e_machine == EM_MIPS)
W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
- unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI));
+ unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
+ unsigned(ELF::EF_MIPS_MACH));
else
W.printFlags("Flags", Header->e_flags);
W.printNumber("HeaderSize", Header->e_ehsize);
ListScope SectionsD(W, "Sections");
int SectionIndex = -1;
- for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
- SecE = Obj->end_sections();
- SecI != SecE; ++SecI) {
+ for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
++SectionIndex;
- const Elf_Shdr *Section = &*SecI;
- StringRef Name = errorOrDefault(Obj->getSectionName(Section));
+ StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
DictScope SectionD(W, "Section");
W.printNumber("Index", SectionIndex);
- W.printNumber("Name", Name, Section->sh_name);
+ W.printNumber("Name", Name, Sec.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);
+ getElfSectionType(Obj->getHeader()->e_machine, Sec.sh_type),
+ Sec.sh_type);
+ W.printFlags("Flags", Sec.sh_flags, makeArrayRef(ElfSectionFlags));
+ 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(Section);
+ printRelocations(&Sec);
}
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);
+ const Elf_Shdr *Symtab = Obj->getDotSymtabSec();
+ ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
+ error(StrTableOrErr.getError());
+ StringRef StrTable = *StrTableOrErr;
+
+ for (const typename ELFO::Elf_Sym &Sym : Obj->symbols()) {
+ ErrorOr<const Elf_Shdr *> SymSec = Obj->getSection(&Sym);
+ if (!SymSec)
+ continue;
+ if (*SymSec == &Sec)
+ printSymbol(&Sym, StrTable, false);
}
}
- if (opts::SectionData && Section->sh_type != ELF::SHT_NOBITS) {
- ArrayRef<uint8_t> Data = errorOrDefault(Obj->getSectionContents(Section));
+ 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()));
}
ListScope D(W, "Relocations");
int SectionNumber = -1;
- for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
- SecE = Obj->end_sections();
- SecI != SecE; ++SecI) {
+ for (const typename ELFO::Elf_Shdr &Sec : Obj->sections()) {
++SectionNumber;
- if (SecI->sh_type != ELF::SHT_REL && SecI->sh_type != ELF::SHT_RELA)
+ if (Sec.sh_type != ELF::SHT_REL && Sec.sh_type != ELF::SHT_RELA)
continue;
- StringRef Name = errorOrDefault(Obj->getSectionName(&*SecI));
+ StringRef Name = errorOrDefault(Obj->getSectionName(&Sec));
W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
W.indent();
- printRelocations(&*SecI);
+ printRelocations(&Sec);
W.unindent();
W.startLine() << "}\n";
}
}
+template<class ELFT>
+void ELFDumper<ELFT>::printDynamicRelocations() {
+ W.startLine() << "Dynamic Relocations {\n";
+ W.indent();
+ for (const typename ELFO::Elf_Rela &Rel : dyn_relas()) {
+ SmallString<32> RelocName;
+ Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
+ StringRef SymbolName;
+ uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
+ const typename ELFO::Elf_Sym *Sym = Obj->dynamic_symbol_begin() + 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";
+ }
+ }
+ 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) {
+ for (const typename ELFO::Elf_Rel &R : Obj->rels(Sec)) {
typename ELFO::Elf_Rela Rela;
- Rela.r_offset = RI->r_offset;
- Rela.r_info = RI->r_info;
+ Rela.r_offset = R.r_offset;
+ Rela.r_info = R.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);
- }
+ for (const typename ELFO::Elf_Rela &R : Obj->relas(Sec))
+ printRelocation(Sec, R);
break;
}
}
typename ELFO::Elf_Rela Rel) {
SmallString<32> RelocName;
Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
- StringRef SymbolName;
+ StringRef TargetName;
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 (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
+ ErrorOr<const Elf_Shdr *> Sec = Obj->getSection(Sym.second);
+ error(Sec.getError());
+ ErrorOr<StringRef> SecName = Obj->getSectionName(*Sec);
+ if (SecName)
+ TargetName = SecName.get();
+ } else if (Sym.first) {
+ const Elf_Shdr *SymTable = Sym.first;
+ ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*SymTable);
+ error(StrTableOrErr.getError());
+ TargetName = errorOrDefault(Sym.second->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", SymbolName.size() > 0 ? SymbolName : "-",
+ 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
- << " " << (SymbolName.size() > 0 ? SymbolName : "-")
- << " " << W.hex(Rel.r_addend)
- << "\n";
+ OS << W.hex(Rel.r_offset) << " " << RelocName << " "
+ << (TargetName.size() > 0 ? TargetName : "-") << " "
+ << 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);
- }
+
+ const Elf_Shdr *Symtab = Obj->getDotSymtabSec();
+ ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
+ error(StrTableOrErr.getError());
+ StringRef StrTable = *StrTableOrErr;
+ for (const typename ELFO::Elf_Sym &Sym : Obj->symbols())
+ printSymbol(&Sym, StrTable, false);
}
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);
- }
+ const Elf_Shdr *Symtab = Obj->getDotDynSymSec();
+ ErrorOr<StringRef> StrTableOrErr = Obj->getStringTableForSymtab(*Symtab);
+ error(StrTableOrErr.getError());
+ StringRef StrTable = *StrTableOrErr;
+ for (const typename ELFO::Elf_Sym &Sym : Obj->dynamic_symbols())
+ printSymbol(&Sym, StrTable, true);
}
template <class ELFT>
-void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
+void ELFDumper<ELFT>::printSymbol(const typename ELFO::Elf_Sym *Symbol,
+ StringRef StrTable, bool IsDynamic) {
unsigned SectionIndex = 0;
StringRef SectionName;
getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
- std::string FullSymbolName = getFullSymbolName(*Obj, Symbol);
+ std::string FullSymbolName =
+ getFullSymbolName(*Obj, Symbol, StrTable, IsDynamic);
DictScope D(W, "Symbol");
W.printNumber("Name", FullSymbolName, Symbol->st_name);
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_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),
}
template <class ELFT>
-static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
- bool Is64, raw_ostream &OS) {
+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 << Value << " (bytes)";
break;
case DT_NEEDED:
- OS << "SharedLibrary (" << O->getDynamicString(Value) << ")";
+ OS << "SharedLibrary (" << getDynamicString(Value) << ")";
break;
case DT_SONAME:
- OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
+ OS << "LibrarySoname (" << getDynamicString(Value) << ")";
break;
case DT_RPATH:
case DT_RUNPATH:
- OS << O->getDynamicString(Value);
+ OS << getDynamicString(Value);
break;
case DT_MIPS_FLAGS:
printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
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;
}
}
}
namespace {
-template <>
-void ELFDumper<ELFType<support::little, 2, false> >::printUnwindInfo() {
+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, 2, false> > Ctx(W, Obj);
+ ARM::EHABI::PrinterContext<ELFType<support::little, false>> Ctx(W, Obj);
return Ctx.PrintUnwindInformation();
}
W.startLine() << "UnwindInfo not implemented.\n";
template<class ELFT>
void ELFDumper<ELFT>::printDynamicTable() {
- auto DynTable = Obj->dynamic_table(true);
+ 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(DynTable.begin(), DynTable.end());
+ ptrdiff_t Total = std::distance(I, E);
if (Total == 0)
return;
W.startLine()
<< " Tag" << (Is64 ? " " : " ") << "Type"
<< " " << "Name/Value\n";
- for (const auto &Entry : DynTable) {
+ while (I != E) {
+ const typename ELFO::Elf_Dyn &Entry = *I;
+ ++I;
W.startLine()
<< " "
<< format(Is64 ? "0x%016" PRIX64 : "0x%08" PRIX64, Entry.getTag())
<< " " << format("%-21s", getTypeString(Entry.getTag()));
- printValue(Obj, Entry.getTag(), Entry.getVal(), Is64, OS);
+ printValue(Entry.getTag(), Entry.getVal());
OS << "\n";
}
typedef std::vector<StringRef> LibsTy;
LibsTy Libs;
- for (const auto &Entry : Obj->dynamic_table())
+ for (const auto &Entry : dynamic_table())
if (Entry.d_tag == ELF::DT_NEEDED)
- Libs.push_back(Obj->getDynamicString(Entry.d_un.d_val));
+ Libs.push_back(getDynamicString(Entry.d_un.d_val));
std::stable_sort(Libs.begin(), Libs.end());
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) {
+ for (const typename ELFO::Elf_Phdr &Phdr : Obj->program_headers()) {
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);
+ 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>::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, 2, false> >::printAttributes() {
+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 (ELFO::Elf_Shdr_Iter SI = Obj->begin_sections(), SE = Obj->end_sections();
- SI != SE; ++SI) {
- if (SI->sh_type != ELF::SHT_ARM_ATTRIBUTES)
+ for (const ELFO::Elf_Shdr &Sec : Obj->sections()) {
+ if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
continue;
- ErrorOr<ArrayRef<uint8_t> > Contents = Obj->getSectionContents(&(*SI));
+ ErrorOr<ArrayRef<uint8_t>> Contents = Obj->getSectionContents(&Sec);
if (!Contents)
continue;
public:
typedef object::ELFFile<ELFT> ObjectFile;
typedef typename ObjectFile::Elf_Shdr Elf_Shdr;
+ typedef typename ObjectFile::Elf_Sym Elf_Sym;
+ typedef typename ObjectFile::Elf_Dyn_Range Elf_Dyn_Range;
- MipsGOTParser(const ObjectFile *Obj, StreamWriter &W) : Obj(Obj), W(W) {}
+ MipsGOTParser(const ObjectFile *Obj, Elf_Dyn_Range DynTable, StreamWriter &W);
- void parseGOT(const Elf_Shdr &GOTShdr);
+ void parseGOT();
+ void parsePLT();
private:
- typedef typename ObjectFile::Elf_Sym_Iter Elf_Sym_Iter;
typedef typename ObjectFile::Elf_Addr GOTEntry;
typedef typename ObjectFile::template ELFEntityIterator<const GOTEntry>
GOTIter;
const ObjectFile *Obj;
StreamWriter &W;
+ 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;
GOTIter makeGOTIter(ArrayRef<uint8_t> GOT, std::size_t EntryNum);
- bool getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym);
void printGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It);
void printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt, GOTIter It,
- Elf_Sym_Iter Sym);
+ const Elf_Sym *Sym, StringRef StrTable,
+ bool IsDynamic);
+ void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
+ StringRef Purpose);
+ void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
+ StringRef StrTable, const Elf_Sym *Sym);
};
}
template <class ELFT>
-void MipsGOTParser<ELFT>::parseGOT(const Elf_Shdr &GOTShdr) {
+MipsGOTParser<ELFT>::MipsGOTParser(const ObjectFile *Obj,
+ Elf_Dyn_Range DynTable, StreamWriter &W)
+ : 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;
+ }
- ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(&GOTShdr);
- if (!GOT) {
- W.startLine() << "The .got section is empty.\n";
+ const Elf_Shdr *GOTShdr = findSectionByAddress(Obj, *DtPltGot);
+ if (!GOTShdr) {
+ W.startLine() << "There is no .got section in the file.\n";
return;
}
- uint64_t DtLocalGotNum;
- uint64_t DtGotSym;
- if (!getGOTTags(DtLocalGotNum, DtGotSym))
+ ErrorOr<ArrayRef<uint8_t>> GOT = Obj->getSectionContents(GOTShdr);
+ if (!GOT) {
+ W.startLine() << "The .got section is empty.\n";
return;
+ }
- if (DtLocalGotNum > getGOTTotal(*GOT)) {
+ if (*DtLocalGotNum > getGOTTotal(*GOT)) {
W.startLine() << "MIPS_LOCAL_GOTNO exceeds a number of GOT entries.\n";
return;
}
- Elf_Sym_Iter DynSymBegin = Obj->begin_dynamic_symbols();
- Elf_Sym_Iter DynSymEnd = Obj->end_dynamic_symbols();
+ const Elf_Shdr *DynSymSec = Obj->getDotDynSymSec();
+ ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(*DynSymSec);
+ error(StrTable.getError());
+ const Elf_Sym *DynSymBegin = Obj->dynamic_symbol_begin();
+ const Elf_Sym *DynSymEnd = Obj->dynamic_symbol_end();
std::size_t DynSymTotal = std::size_t(std::distance(DynSymBegin, DynSymEnd));
- if (DtGotSym > DynSymTotal) {
+ if (*DtGotSym > DynSymTotal) {
W.startLine() << "MIPS_GOTSYM exceeds a number of dynamic symbols.\n";
return;
}
- std::size_t GlobalGotNum = DynSymTotal - DtGotSym;
+ std::size_t GlobalGotNum = DynSymTotal - *DtGotSym;
- if (DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
+ if (*DtLocalGotNum + GlobalGotNum > getGOTTotal(*GOT)) {
W.startLine() << "Number of global GOT entries exceeds the size of GOT.\n";
return;
}
GOTIter GotBegin = makeGOTIter(*GOT, 0);
- GOTIter GotLocalEnd = makeGOTIter(*GOT, DtLocalGotNum);
+ GOTIter GotLocalEnd = makeGOTIter(*GOT, *DtLocalGotNum);
GOTIter It = GotBegin;
DictScope GS(W, "Primary GOT");
- W.printHex("Canonical gp value", GOTShdr.sh_addr + 0x7ff0);
+ W.printHex("Canonical gp value", GOTShdr->sh_addr + 0x7ff0);
{
ListScope RS(W, "Reserved entries");
{
DictScope D(W, "Entry");
- printGotEntry(GOTShdr.sh_addr, GotBegin, It++);
+ 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++);
+ 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);
+ printGotEntry(GOTShdr->sh_addr, GotBegin, It);
}
}
{
ListScope GS(W, "Global entries");
- GOTIter GotGlobalEnd = makeGOTIter(*GOT, DtLocalGotNum + GlobalGotNum);
- Elf_Sym_Iter GotDynSym = DynSymBegin + DtGotSym;
+ GOTIter 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++);
+ printGlobalGotEntry(GOTShdr->sh_addr, GotBegin, It, GotDynSym++,
+ *StrTable, true);
}
}
- std::size_t SpecGotNum = getGOTTotal(*GOT) - DtLocalGotNum - GlobalGotNum;
+ 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 = findSectionByAddress(Obj, *DtMipsPltGot);
+ if (!PLTShdr) {
+ W.startLine() << "There is no .got.plt section in the file.\n";
+ return;
+ }
+ ErrorOr<ArrayRef<uint8_t>> PLT = Obj->getSectionContents(PLTShdr);
+ if (!PLT) {
+ W.startLine() << "The .got.plt section is empty.\n";
+ return;
+ }
+
+ const Elf_Shdr *PLTRelShdr = findSectionByAddress(Obj, *DtJmpRel);
+ if (!PLTShdr) {
+ W.startLine() << "There is no .rel.plt section in the file.\n";
+ return;
+ }
+ ErrorOr<const Elf_Shdr *> SymTableOrErr =
+ Obj->getSection(PLTRelShdr->sh_link);
+ error(SymTableOrErr.getError());
+ ErrorOr<StringRef> StrTable = Obj->getStringTableForSymtab(**SymTableOrErr);
+ error(StrTable.getError());
+
+ GOTIter PLTBegin = makeGOTIter(*PLT, 0);
+ GOTIter PLTEnd = makeGOTIter(*PLT, getGOTTotal(*PLT));
+ GOTIter 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 typename ObjectFile::Elf_Rel *RI = Obj->rel_begin(PLTRelShdr),
+ *RE = Obj->rel_end(PLTRelShdr);
+ RI != RE && It != PLTEnd; ++RI, ++It) {
+ const Elf_Sym *Sym =
+ Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
+ printPLTEntry(PLTShdr->sh_addr, PLTBegin, It, *StrTable, Sym);
+ }
+ break;
+ case ELF::SHT_RELA:
+ for (const typename ObjectFile::Elf_Rela
+ *RI = Obj->rela_begin(PLTRelShdr),
+ *RE = Obj->rela_end(PLTRelShdr);
+ RI != RE && It != PLTEnd; ++RI, ++It) {
+ const Elf_Sym *Sym =
+ Obj->getRelocationSymbol(&*PLTRelShdr, &*RI).second;
+ 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);
return GOTIter(sizeof(GOTEntry), Data + EntryNum * sizeof(GOTEntry));
}
-template <class ELFT>
-bool MipsGOTParser<ELFT>::getGOTTags(uint64_t &LocalGotNum, uint64_t &GotSym) {
- bool FoundLocalGotNum = false;
- bool FoundGotSym = false;
- for (const auto &Entry : Obj->dynamic_table()) {
- switch (Entry.getTag()) {
- case ELF::DT_MIPS_LOCAL_GOTNO:
- LocalGotNum = Entry.getVal();
- FoundLocalGotNum = true;
- break;
- case ELF::DT_MIPS_GOTSYM:
- GotSym = Entry.getVal();
- FoundGotSym = true;
- break;
- }
- }
-
- if (!FoundLocalGotNum) {
- W.startLine() << "Cannot find MIPS_LOCAL_GOTNO dynamic table tag.\n";
- return false;
- }
-
- if (!FoundGotSym) {
- W.startLine() << "Cannot find MIPS_GOTSYM dynamic table tag.\n";
- return false;
- }
-
- return true;
-}
-
template <class ELFT>
void MipsGOTParser<ELFT>::printGotEntry(uint64_t GotAddr, GOTIter BeginIt,
GOTIter It) {
template <class ELFT>
void MipsGOTParser<ELFT>::printGlobalGotEntry(uint64_t GotAddr, GOTIter BeginIt,
- GOTIter It, Elf_Sym_Iter Sym) {
+ GOTIter It, const Elf_Sym *Sym,
+ StringRef StrTable,
+ bool IsDynamic) {
printGotEntry(GotAddr, BeginIt, It);
W.printHex("Value", Sym->st_value);
getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
W.printHex("Section", SectionName, SectionIndex);
- std::string FullSymbolName = getFullSymbolName(*Obj, Sym);
+ std::string FullSymbolName =
+ getFullSymbolName(*Obj, Sym, StrTable, IsDynamic);
+ W.printNumber("Name", FullSymbolName, Sym->st_name);
+}
+
+template <class ELFT>
+void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
+ GOTIter 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, GOTIter BeginIt,
+ GOTIter 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, SectionName, SectionIndex);
+ W.printHex("Section", SectionName, SectionIndex);
+
+ std::string FullSymbolName = getFullSymbolName(*Obj, Sym, StrTable, true);
W.printNumber("Name", FullSymbolName, Sym->st_name);
}
return;
}
- llvm::Optional<uint64_t> DtPltGot;
- for (const auto &Entry : Obj->dynamic_table()) {
- if (Entry.getTag() == ELF::DT_PLTGOT) {
- DtPltGot = Entry.getVal();
- break;
- }
+ MipsGOTParser<ELFT> GOTParser(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;
}
+}
- if (!DtPltGot) {
- W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
+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;
}
- const Elf_Shdr *GotShdr = findSectionByAddress(Obj, *DtPltGot);
- if (!GotShdr) {
- W.startLine() << "There is no .got section in the file.\n";
+ 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 typename ELFFile<ELFT>::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);
- MipsGOTParser<ELFT>(Obj, W).parseGOT(*GotShdr);
+ prettyPrintStackMap(
+ llvm::outs(),
+ StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));
}
projects / oota-llvm.git / blobdiff