//===----------------------------------------------------------------------===//
#include "llvm-readobj.h"
+#include "ARMAttributeParser.h"
+#include "ARMEHABIPrinter.h"
#include "Error.h"
#include "ObjDumper.h"
#include "StreamWriter.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"
ELFDumper(const ELFFile<ELFT> *Obj, StreamWriter &Writer)
: ObjDumper(Writer), Obj(Obj) {}
- virtual void printFileHeaders() LLVM_OVERRIDE;
- virtual void printSections() LLVM_OVERRIDE;
- virtual void printRelocations() LLVM_OVERRIDE;
- virtual void printSymbols() LLVM_OVERRIDE;
- virtual void printDynamicSymbols() LLVM_OVERRIDE;
- virtual void printUnwindInfo() LLVM_OVERRIDE;
+ void printFileHeaders() override;
+ void printSections() override;
+ void printRelocations() override;
+ void printSymbols() override;
+ void printDynamicSymbols() override;
+ void printUnwindInfo() override;
+
+ void printDynamicTable() override;
+ void printNeededLibraries() override;
+ void printProgramHeaders() override;
- virtual void printDynamicTable() LLVM_OVERRIDE;
- virtual void printNeededLibraries() LLVM_OVERRIDE;
- virtual void printProgramHeaders() LLVM_OVERRIDE;
+ void printAttributes() override;
private:
typedef ELFFile<ELFT> ELFO;
template <class T> T errorOrDefault(ErrorOr<T> Val, T Default = T()) {
if (!Val) {
- error(Val);
+ error(Val.getError());
return Default;
}
template <class ELFT>
static error_code createELFDumper(const ELFFile<ELFT> *Obj,
StreamWriter &Writer,
- OwningPtr<ObjDumper> &Result) {
+ std::unique_ptr<ObjDumper> &Result) {
Result.reset(new ELFDumper<ELFT>(Obj, Writer));
return readobj_error::success;
}
-error_code createELFDumper(const object::ObjectFile *Obj,
- StreamWriter& Writer,
- OwningPtr<ObjDumper> &Result) {
+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);
static const EnumEntry<unsigned> ElfSectionFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, SHF_WRITE ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_ALLOC ),
+ LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXCLUDE ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_EXECINSTR ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MERGE ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_STRINGS ),
LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP )
};
-static const EnumEntry<unsigned> ElfSegmentTypes[] = {
- LLVM_READOBJ_ENUM_ENT(ELF, PT_NULL ),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_LOAD ),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_DYNAMIC),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_INTERP ),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_NOTE ),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_SHLIB ),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_PHDR ),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_TLS ),
-
- LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_EH_FRAME),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_SUNW_EH_FRAME),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_SUNW_UNWIND),
-
- LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_STACK),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_GNU_RELRO),
-
- LLVM_READOBJ_ENUM_ENT(ELF, PT_ARM_EXIDX),
- LLVM_READOBJ_ENUM_ENT(ELF, PT_ARM_UNWIND)
-};
+static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
+ // Check potentially overlapped processor-specific
+ // program header type.
+ switch (Arch) {
+ case ELF::EM_ARM:
+ switch (Type) {
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
+ }
+ case ELF::EM_MIPS:
+ case ELF::EM_MIPS_RS3_LE:
+ switch (Type) {
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
+ }
+ }
+
+ switch (Type) {
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL );
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD );
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE );
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB );
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR );
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS );
+
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
+
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
+ LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
+ default: return "";
+ }
+}
static const EnumEntry<unsigned> ElfSegmentFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
LLVM_READOBJ_ENUM_ENT(ELF, PF_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_NAN2008),
+ LLVM_READOBJ_ENUM_ENT(ELF, EF_MIPS_ABI_O32),
+ 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_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)
+};
+
template<class ELFT>
void ELFDumper<ELFT>::printFileHeaders() {
- error_code EC;
-
const typename ELFO::Elf_Ehdr *Header = Obj->getHeader();
{
W.printHex ("Entry", Header->e_entry);
W.printHex ("ProgramHeaderOffset", Header->e_phoff);
W.printHex ("SectionHeaderOffset", Header->e_shoff);
- W.printFlags ("Flags", Header->e_flags);
+ if (Header->e_machine == EM_MIPS)
+ W.printFlags("Flags", Header->e_flags, makeArrayRef(ElfHeaderMipsFlags),
+ unsigned(ELF::EF_MIPS_ARCH));
+ else
+ W.printFlags("Flags", Header->e_flags);
W.printNumber("HeaderSize", Header->e_ehsize);
W.printNumber("ProgramHeaderEntrySize", Header->e_phentsize);
W.printNumber("ProgramHeaderCount", Header->e_phnum);
void ELFDumper<ELFT>::printRelocations() {
ListScope D(W, "Relocations");
- error_code EC;
int SectionNumber = -1;
for (typename ELFO::Elf_Shdr_Iter SecI = Obj->begin_sections(),
SecE = Obj->end_sections();
template <class ELFT>
void ELFDumper<ELFT>::printSymbol(typename ELFO::Elf_Sym_Iter Symbol) {
StringRef SymbolName = errorOrDefault(Obj->getSymbolName(Symbol));
- const Elf_Shdr *Sec = Obj->getSection(&*Symbol);
- StringRef SectionName = Sec ? errorOrDefault(Obj->getSectionName(Sec)) : "";
+
+ unsigned SectionIndex = Symbol->st_shndx;
+ StringRef SectionName;
+ if (SectionIndex == SHN_UNDEF) {
+ SectionName = "Undefined";
+ } else if (SectionIndex >= SHN_LOPROC && SectionIndex <= SHN_HIPROC) {
+ SectionName = "Processor Specific";
+ } else if (SectionIndex >= SHN_LOOS && SectionIndex <= SHN_HIOS) {
+ SectionName = "Operating System Specific";
+ } else if (SectionIndex > SHN_HIOS && SectionIndex < SHN_ABS) {
+ SectionName = "Reserved";
+ } else if (SectionIndex == SHN_ABS) {
+ SectionName = "Absolute";
+ } else if (SectionIndex == SHN_COMMON) {
+ SectionName = "Common";
+ } else {
+ if (SectionIndex == SHN_XINDEX)
+ SectionIndex = Obj->getSymbolTableIndex(&*Symbol);
+ assert(SectionIndex != SHN_XINDEX &&
+ "getSymbolTableIndex should handle this");
+ const Elf_Shdr *Sec = Obj->getSection(SectionIndex);
+ SectionName = errorOrDefault(Obj->getSectionName(Sec));
+ }
+
std::string FullSymbolName(SymbolName);
if (Symbol.isDynamic()) {
bool IsDefault;
- ErrorOr<StringRef> Version = Obj->getSymbolVersion(0, &*Symbol, IsDefault);
+ ErrorOr<StringRef> Version = Obj->getSymbolVersion(nullptr, &*Symbol,
+ IsDefault);
if (Version) {
FullSymbolName += (IsDefault ? "@@" : "@");
FullSymbolName += *Version;
} else
- error(Version);
+ error(Version.getError());
}
DictScope D(W, "Symbol");
makeArrayRef(ElfSymbolBindings));
W.printEnum ("Type", Symbol->getType(), makeArrayRef(ElfSymbolTypes));
W.printNumber("Other", Symbol->st_other);
- W.printHex ("Section", SectionName, Symbol->st_shndx);
+ W.printHex("Section", SectionName, SectionIndex);
}
#define LLVM_READOBJ_TYPE_CASE(name) \
LLVM_READOBJ_TYPE_CASE(SYMENT);
LLVM_READOBJ_TYPE_CASE(SYMTAB);
LLVM_READOBJ_TYPE_CASE(TEXTREL);
+ LLVM_READOBJ_TYPE_CASE(VERNEED);
+ LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
+ LLVM_READOBJ_TYPE_CASE(VERSYM);
+ LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
+ LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
+ LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
+ LLVM_READOBJ_TYPE_CASE(MIPS_LOCAL_GOTNO);
+ LLVM_READOBJ_TYPE_CASE(MIPS_SYMTABNO);
+ LLVM_READOBJ_TYPE_CASE(MIPS_UNREFEXTNO);
+ LLVM_READOBJ_TYPE_CASE(MIPS_GOTSYM);
+ LLVM_READOBJ_TYPE_CASE(MIPS_RLD_MAP);
+ LLVM_READOBJ_TYPE_CASE(MIPS_PLTGOT);
default: return "unknown";
}
}
case DT_FINI_ARRAY:
case DT_PREINIT_ARRAY:
case DT_DEBUG:
+ case DT_VERNEED:
+ case DT_VERSYM:
case DT_NULL:
+ case DT_MIPS_FLAGS:
+ case DT_MIPS_BASE_ADDRESS:
+ case DT_MIPS_GOTSYM:
+ case DT_MIPS_RLD_MAP:
+ case DT_MIPS_PLTGOT:
OS << format("0x%" PRIX64, Value);
break;
+ case DT_VERNEEDNUM:
+ case DT_MIPS_RLD_VERSION:
+ case DT_MIPS_LOCAL_GOTNO:
+ case DT_MIPS_SYMTABNO:
+ case DT_MIPS_UNREFEXTNO:
+ OS << Value;
+ break;
case DT_PLTRELSZ:
case DT_RELASZ:
case DT_RELAENT:
case DT_SONAME:
OS << "LibrarySoname (" << O->getDynamicString(Value) << ")";
break;
+ case DT_RPATH:
+ case DT_RUNPATH:
+ OS << O->getDynamicString(Value);
+ break;
}
}
W.startLine() << "UnwindInfo not implemented.\n";
}
+namespace {
+template <>
+void ELFDumper<ELFType<support::little, 2, false> >::printUnwindInfo() {
+ const unsigned Machine = Obj->getHeader()->e_machine;
+ if (Machine == EM_ARM) {
+ ARM::EHABI::PrinterContext<ELFType<support::little, 2, false> > Ctx(W, Obj);
+ return Ctx.PrintUnwindInformation();
+ }
+ W.startLine() << "UnwindInfo not implemented.\n";
+}
+}
+
template<class ELFT>
void ELFDumper<ELFT>::printDynamicTable() {
typedef typename ELFO::Elf_Dyn_Iter EDI;
void ELFDumper<ELFT>::printNeededLibraries() {
ListScope D(W, "NeededLibraries");
- error_code EC;
-
typedef std::vector<StringRef> LibsTy;
LibsTy Libs;
PE = Obj->end_program_headers();
PI != PE; ++PI) {
DictScope P(W, "ProgramHeader");
- W.printEnum ("Type", PI->p_type, makeArrayRef(ElfSegmentTypes));
+ 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("Alignment", PI->p_align);
}
}
+
+template <class ELFT>
+void ELFDumper<ELFT>::printAttributes() {
+ W.startLine() << "Attributes not implemented.\n";
+}
+
+namespace {
+template <>
+void ELFDumper<ELFType<support::little, 2, 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)
+ continue;
+
+ ErrorOr<ArrayRef<uint8_t> > Contents = Obj->getSectionContents(&(*SI));
+ 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);
+ }
+}
+}
+
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