#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"
void printFileHeaders() override;
void printSections() override;
void printRelocations() override;
+ void printDynamicRelocations() override;
void printSymbols() override;
void printDynamicSymbols() override;
void printUnwindInfo() 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);
+ void printSymbol(const Elf_Sym *Symbol, bool IsDynamic);
void printRelocations(const Elf_Shdr *Sec);
void printRelocation(const Elf_Shdr *Sec, typename ELFO::Elf_Rela Rel);
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,
+ bool IsDynamic) {
+ StringRef SymbolName = errorOrDefault(Obj.getSymbolName(Symbol, IsDynamic));
+ if (!IsDynamic)
return SymbolName;
std::string FullSymbolName(SymbolName);
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 (Symbol->isUndefined())
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);
+ if (!error(Sec.getError()))
+ SectionName = errorOrDefault(Obj.getSectionName(*Sec));
}
}
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));
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);
+ 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, 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 (typename ELFO::Elf_Rela_Iter RelI = Obj->dyn_rela_begin(),
+ RelE = Obj->dyn_rela_end();
+ RelI != RelE; ++RelI) {
+ SmallString<32> RelocName;
+ Obj->getRelocationTypeName(RelI->getType(Obj->isMips64EL()), RelocName);
+ StringRef SymbolName;
+ uint32_t SymIndex = RelI->getSymbol(Obj->isMips64EL());
+ const typename ELFO::Elf_Sym *Sym = Obj->dynamic_symbol_begin() + SymIndex;
+ SymbolName = errorOrDefault(Obj->getSymbolName(Sym, true));
+ if (opts::ExpandRelocs) {
+ DictScope Group(W, "Relocation");
+ W.printHex("Offset", RelI->r_offset);
+ W.printNumber("Type", RelocName, (int)RelI->getType(Obj->isMips64EL()));
+ W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
+ W.printHex("Addend", RelI->r_addend);
+ }
+ else {
+ raw_ostream& OS = W.startLine();
+ OS << W.hex(RelI->r_offset)
+ << " " << RelocName
+ << " " << (SymbolName.size() > 0 ? SymbolName : "-")
+ << " " << W.hex(RelI->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);
+ for (typename ELFO::Elf_Rel_Iter RI = Obj->rel_begin(Sec),
+ RE = Obj->rel_end(Sec);
RI != RE; ++RI) {
typename ELFO::Elf_Rela Rela;
Rela.r_offset = RI->r_offset;
}
break;
case ELF::SHT_RELA:
- for (typename ELFO::Elf_Rela_Iter RI = Obj->begin_rela(Sec),
- RE = Obj->end_rela(Sec);
+ for (typename ELFO::Elf_Rela_Iter RI = Obj->rela_begin(Sec),
+ RE = Obj->rela_end(Sec);
RI != RE; ++RI) {
printRelocation(Sec, *RI);
}
std::pair<const Elf_Shdr *, const Elf_Sym *> Sym =
Obj->getRelocationSymbol(Sec, &Rel);
if (Sym.second && Sym.second->getType() == ELF::STT_SECTION) {
- const Elf_Shdr *Sec = Obj->getSection(Sym.second);
- ErrorOr<StringRef> SecName = Obj->getSectionName(Sec);
- if (SecName)
- TargetName = SecName.get();
+ ErrorOr<const Elf_Shdr *> Sec = Obj->getSection(Sym.second);
+ if (!error(Sec.getError())) {
+ ErrorOr<StringRef> SecName = Obj->getSectionName(*Sec);
+ if (SecName)
+ TargetName = SecName.get();
+ }
} else if (Sym.first) {
- TargetName = errorOrDefault(Obj->getSymbolName(Sym.first, Sym.second));
+ const Elf_Shdr *SymTable = Sym.first;
+ ErrorOr<const Elf_Shdr *> StrTableSec = Obj->getSection(SymTable->sh_link);
+ if (!error(StrTableSec.getError())) {
+ ErrorOr<StringRef> StrTableOrErr = Obj->getStringTable(*StrTableSec);
+ if (!error(StrTableOrErr.getError()))
+ TargetName = errorOrDefault(Sym.second->getName(*StrTableOrErr));
+ }
}
if (opts::ExpandRelocs) {
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);
- }
+ for (const typename ELFO::Elf_Sym &Sym : Obj->symbols())
+ printSymbol(&Sym, 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);
- }
+ for (const typename ELFO::Elf_Sym &Sym : Obj->dynamic_symbols())
+ printSymbol(&Sym, true);
}
template <class ELFT>
-void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
+void ELFDumper<ELFT>::printSymbol(const typename ELFO::Elf_Sym *Symbol,
+ bool IsDynamic) {
unsigned SectionIndex = 0;
StringRef SectionName;
getSectionNameIndex(*Obj, Symbol, SectionName, SectionIndex);
- std::string FullSymbolName = getFullSymbolName(*Obj, Symbol);
+ std::string FullSymbolName = getFullSymbolName(*Obj, Symbol, IsDynamic);
DictScope D(W, "Symbol");
W.printNumber("Name", FullSymbolName, Symbol->st_name);
case DT_FLAGS_1:
printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
break;
+ default:
+ OS << format("0x%" PRIX64, Value);
+ break;
}
}
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 (typename ELFO::Elf_Phdr_Iter PI = Obj->program_header_begin(),
+ PE = Obj->program_header_end();
+ PI != PE; ++PI) {
DictScope P(W, "ProgramHeader");
W.printHex ("Type",
getElfSegmentType(Obj->getHeader()->e_machine, PI->p_type),
}
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;
- MipsGOTParser(const ObjectFile *Obj, StreamWriter &W) : Obj(Obj), W(W) {}
+ MipsGOTParser(const ObjectFile *Obj, 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, bool IsDynamic);
+ void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
+ StringRef Purpose);
+ void printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt, GOTIter It,
+ const Elf_Sym *Sym);
};
}
template <class ELFT>
-void MipsGOTParser<ELFT>::parseGOT(const Elf_Shdr &GOTShdr) {
+MipsGOTParser<ELFT>::MipsGOTParser(const ObjectFile *Obj, StreamWriter &W)
+ : Obj(Obj), W(W) {
+ for (const auto &Entry : Obj->dynamic_table()) {
+ 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_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++, 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;
+ }
+
+ 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 (typename ObjectFile::Elf_Rel_Iter 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, Sym);
+ }
+ break;
+ case ELF::SHT_RELA:
+ for (typename ObjectFile::Elf_Rela_Iter 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, 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,
+ 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, IsDynamic);
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;
- }
+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);
+}
- llvm::Optional<uint64_t> DtPltGot;
- for (const auto &Entry : Obj->dynamic_table()) {
- if (Entry.getTag() == ELF::DT_PLTGOT) {
- DtPltGot = Entry.getVal();
- break;
- }
- }
+template <class ELFT>
+void MipsGOTParser<ELFT>::printPLTEntry(uint64_t PLTAddr, GOTIter BeginIt,
+ GOTIter It, 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));
- if (!DtPltGot) {
- W.startLine() << "Cannot find PLTGOT dynamic table tag.\n";
- return;
- }
+ unsigned SectionIndex = 0;
+ StringRef SectionName;
+ getSectionNameIndex(*Obj, Sym, SectionName, SectionIndex);
+ W.printHex("Section", SectionName, SectionIndex);
- const Elf_Shdr *GotShdr = findSectionByAddress(Obj, *DtPltGot);
- if (!GotShdr) {
- W.startLine() << "There is no .got section in the file.\n";
+ std::string FullSymbolName = getFullSymbolName(*Obj, Sym, 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>(Obj, W).parseGOT(*GotShdr);
+ MipsGOTParser<ELFT> GOTParser(Obj, W);
+ GOTParser.parseGOT();
+ GOTParser.parsePLT();
}
static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
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);
+
+ prettyPrintStackMap(
+ llvm::outs(),
+ StackMapV1Parser<ELFT::TargetEndianness>(*StackMapContentsArray));
+}
projects / oota-llvm.git / blobdiff