uint64_t getPtr() const { return d_un.ptr; }
};
-template<class ELFT>
-class ELFObjectFile;
-
-// DynRefImpl: Reference to an entry in the dynamic table
-// This is an ELF-specific interface.
-template<class ELFT>
-class DynRefImpl {
- typedef Elf_Dyn_Impl<ELFT> Elf_Dyn;
- typedef ELFObjectFile<ELFT> OwningType;
-
- DataRefImpl DynPimpl;
- const OwningType *OwningObject;
-
-public:
- DynRefImpl() : OwningObject(NULL) { }
-
- DynRefImpl(DataRefImpl DynP, const OwningType *Owner);
-
- bool operator==(const DynRefImpl &Other) const;
- bool operator <(const DynRefImpl &Other) const;
-
- error_code getNext(DynRefImpl &Result) const;
- int64_t getTag() const;
- uint64_t getVal() const;
- uint64_t getPtr() const;
-
- DataRefImpl getRawDataRefImpl() const;
-};
-
// Elf_Rel: Elf Relocation
template<class ELFT, bool isRela>
struct Elf_Rel_Base;
MaxAlign LLVM_ELF_COMMA false>)
Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
Elf_Word r_info; // Symbol table index and type of relocation to apply
+
+ uint32_t getRInfo(bool isMips64EL) const {
+ assert(!isMips64EL);
+ return r_info;
+ }
+ void setRInfo(uint32_t R) {
+ r_info = R;
+ }
};
template<template<endianness, std::size_t, bool> class ELFT,
MaxAlign LLVM_ELF_COMMA true>)
Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
Elf_Xword r_info; // Symbol table index and type of relocation to apply
+
+ uint64_t getRInfo(bool isMips64EL) const {
+ uint64_t t = r_info;
+ if (!isMips64EL)
+ return t;
+ // Mip64 little endian has a "special" encoding of r_info. Instead of one
+ // 64 bit little endian number, it is a little ending 32 bit number followed
+ // by a 32 bit big endian number.
+ return (t << 32) | ((t >> 8) & 0xff000000) | ((t >> 24) & 0x00ff0000) |
+ ((t >> 40) & 0x0000ff00) | ((t >> 56) & 0x000000ff);
+ return r_info;
+ }
+ void setRInfo(uint64_t R) {
+ // FIXME: Add mips64el support.
+ r_info = R;
+ }
};
template<template<endianness, std::size_t, bool> class ELFT,
Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
Elf_Word r_info; // Symbol table index and type of relocation to apply
Elf_Sword r_addend; // Compute value for relocatable field by adding this
+
+ uint32_t getRInfo(bool isMips64EL) const {
+ assert(!isMips64EL);
+ return r_info;
+ }
+ void setRInfo(uint32_t R) {
+ r_info = R;
+ }
};
template<template<endianness, std::size_t, bool> class ELFT,
Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
Elf_Xword r_info; // Symbol table index and type of relocation to apply
Elf_Sxword r_addend; // Compute value for relocatable field by adding this.
+
+ uint64_t getRInfo(bool isMips64EL) const {
+ // Mip64 little endian has a "special" encoding of r_info. Instead of one
+ // 64 bit little endian number, it is a little ending 32 bit number followed
+ // by a 32 bit big endian number.
+ uint64_t t = r_info;
+ if (!isMips64EL)
+ return t;
+ return (t << 32) | ((t >> 8) & 0xff000000) | ((t >> 24) & 0x00ff0000) |
+ ((t >> 40) & 0x0000ff00) | ((t >> 56) & 0x000000ff);
+ }
+ void setRInfo(uint64_t R) {
+ // FIXME: Add mips64el support.
+ r_info = R;
+ }
};
template<class ELFT, bool isRela>
endianness TargetEndianness, std::size_t MaxAlign, bool isRela>
struct Elf_Rel_Impl<ELFT<TargetEndianness, MaxAlign, true>, isRela>
: Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, true>, isRela> {
- using Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, true>, isRela>::r_info;
LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
MaxAlign LLVM_ELF_COMMA true>)
// These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
// and ELF64_R_INFO macros defined in the ELF specification:
- uint32_t getSymbol() const { return (uint32_t) (r_info >> 32); }
- uint32_t getType() const {
- return (uint32_t) (r_info & 0xffffffffL);
+ uint32_t getSymbol(bool isMips64EL) const {
+ return (uint32_t) (this->getRInfo(isMips64EL) >> 32);
+ }
+ uint32_t getType(bool isMips64EL) const {
+ return (uint32_t) (this->getRInfo(isMips64EL) & 0xffffffffL);
}
void setSymbol(uint32_t s) { setSymbolAndType(s, getType()); }
void setType(uint32_t t) { setSymbolAndType(getSymbol(), t); }
void setSymbolAndType(uint32_t s, uint32_t t) {
- r_info = ((uint64_t)s << 32) + (t&0xffffffffL);
+ this->setRInfo(((uint64_t)s << 32) + (t&0xffffffffL));
}
};
endianness TargetEndianness, std::size_t MaxAlign, bool isRela>
struct Elf_Rel_Impl<ELFT<TargetEndianness, MaxAlign, false>, isRela>
: Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, false>, isRela> {
- using Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, false>, isRela>::r_info;
LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
MaxAlign LLVM_ELF_COMMA false>)
// These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
// and ELF32_R_INFO macros defined in the ELF specification:
- uint32_t getSymbol() const { return (r_info >> 8); }
- unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); }
+ uint32_t getSymbol(bool isMips64EL) const {
+ return this->getRInfo(isMips64EL) >> 8;
+ }
+ unsigned char getType(bool isMips64EL) const {
+ return (unsigned char) (this->getRInfo(isMips64EL) & 0x0ff);
+ }
void setSymbol(uint32_t s) { setSymbolAndType(s, getType()); }
void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
void setSymbolAndType(uint32_t s, unsigned char t) {
- r_info = (s << 8) + t;
+ this->setRInfo((s << 8) + t);
}
};
class ELFObjectFile : public ObjectFile {
LLVM_ELF_IMPORT_TYPES(ELFT)
- typedef Elf_Ehdr_Impl<ELFT> Elf_Ehdr;
- typedef Elf_Shdr_Impl<ELFT> Elf_Shdr;
- typedef Elf_Sym_Impl<ELFT> Elf_Sym;
- typedef Elf_Dyn_Impl<ELFT> Elf_Dyn;
- typedef Elf_Phdr_Impl<ELFT> Elf_Phdr;
- typedef Elf_Rel_Impl<ELFT, false> Elf_Rel;
- typedef Elf_Rel_Impl<ELFT, true> Elf_Rela;
- typedef Elf_Verdef_Impl<ELFT> Elf_Verdef;
- typedef Elf_Verdaux_Impl<ELFT> Elf_Verdaux;
- typedef Elf_Verneed_Impl<ELFT> Elf_Verneed;
- typedef Elf_Vernaux_Impl<ELFT> Elf_Vernaux;
- typedef Elf_Versym_Impl<ELFT> Elf_Versym;
- typedef DynRefImpl<ELFT> DynRef;
- typedef content_iterator<DynRef> dyn_iterator;
-
-protected:
- // This flag is used for classof, to distinguish ELFObjectFile from
- // its subclass. If more subclasses will be created, this flag will
- // have to become an enum.
- bool isDyldELFObject;
-
-private:
- typedef SmallVector<const Elf_Shdr*, 1> Sections_t;
- typedef DenseMap<unsigned, unsigned> IndexMap_t;
- typedef DenseMap<const Elf_Shdr*, SmallVector<uint32_t, 1> > RelocMap_t;
-
- const Elf_Ehdr *Header;
- const Elf_Shdr *SectionHeaderTable;
- const Elf_Shdr *dot_shstrtab_sec; // Section header string table.
- const Elf_Shdr *dot_strtab_sec; // Symbol header string table.
- const Elf_Shdr *dot_dynstr_sec; // Dynamic symbol string table.
-
- // SymbolTableSections[0] always points to the dynamic string table section
- // header, or NULL if there is no dynamic string table.
- Sections_t SymbolTableSections;
- IndexMap_t SymbolTableSectionsIndexMap;
- DenseMap<const Elf_Sym*, ELF::Elf64_Word> ExtendedSymbolTable;
-
- const Elf_Shdr *dot_dynamic_sec; // .dynamic
- const Elf_Shdr *dot_gnu_version_sec; // .gnu.version
- const Elf_Shdr *dot_gnu_version_r_sec; // .gnu.version_r
- const Elf_Shdr *dot_gnu_version_d_sec; // .gnu.version_d
-
- // Pointer to SONAME entry in dynamic string table
- // This is set the first time getLoadName is called.
- mutable const char *dt_soname;
-
public:
/// \brief Iterate over constant sized entities.
template<class EntT>
class ELFEntityIterator {
public:
- typedef void difference_type;
+ typedef ptrdiff_t difference_type;
typedef EntT value_type;
- typedef std::forward_iterator_tag iterator_category;
+ typedef std::random_access_iterator_tag iterator_category;
typedef value_type &reference;
typedef value_type *pointer;
return Tmp;
}
+ ELFEntityIterator &operator =(const ELFEntityIterator &Other) {
+ EntitySize = Other.EntitySize;
+ Current = Other.Current;
+ return *this;
+ }
+
+ difference_type operator -(const ELFEntityIterator &Other) const {
+ assert(EntitySize == Other.EntitySize &&
+ "Subtracting iterators of different EntitiySize!");
+ return (Current - Other.Current) / EntitySize;
+ }
+
+ const char *get() const { return Current; }
+
private:
- const uint64_t EntitySize;
+ uint64_t EntitySize;
const char *Current;
};
+ typedef Elf_Ehdr_Impl<ELFT> Elf_Ehdr;
+ typedef Elf_Shdr_Impl<ELFT> Elf_Shdr;
+ typedef Elf_Sym_Impl<ELFT> Elf_Sym;
+ typedef Elf_Dyn_Impl<ELFT> Elf_Dyn;
+ typedef Elf_Phdr_Impl<ELFT> Elf_Phdr;
+ typedef Elf_Rel_Impl<ELFT, false> Elf_Rel;
+ typedef Elf_Rel_Impl<ELFT, true> Elf_Rela;
+ typedef Elf_Verdef_Impl<ELFT> Elf_Verdef;
+ typedef Elf_Verdaux_Impl<ELFT> Elf_Verdaux;
+ typedef Elf_Verneed_Impl<ELFT> Elf_Verneed;
+ typedef Elf_Vernaux_Impl<ELFT> Elf_Vernaux;
+ typedef Elf_Versym_Impl<ELFT> Elf_Versym;
+ typedef ELFEntityIterator<const Elf_Dyn> Elf_Dyn_iterator;
+ typedef ELFEntityIterator<const Elf_Sym> Elf_Sym_iterator;
+ typedef ELFEntityIterator<const Elf_Rela> Elf_Rela_Iter;
+ typedef ELFEntityIterator<const Elf_Rel> Elf_Rel_Iter;
+
+protected:
+ // This flag is used for classof, to distinguish ELFObjectFile from
+ // its subclass. If more subclasses will be created, this flag will
+ // have to become an enum.
+ bool isDyldELFObject;
+
+private:
+ typedef SmallVector<const Elf_Shdr *, 2> Sections_t;
+ typedef DenseMap<unsigned, unsigned> IndexMap_t;
+ typedef DenseMap<const Elf_Shdr*, SmallVector<uint32_t, 1> > RelocMap_t;
+
+ const Elf_Ehdr *Header;
+ const Elf_Shdr *SectionHeaderTable;
+ const Elf_Shdr *dot_shstrtab_sec; // Section header string table.
+ const Elf_Shdr *dot_strtab_sec; // Symbol header string table.
+ const Elf_Shdr *dot_dynstr_sec; // Dynamic symbol string table.
+
+ // SymbolTableSections[0] always points to the dynamic string table section
+ // header, or NULL if there is no dynamic string table.
+ Sections_t SymbolTableSections;
+ IndexMap_t SymbolTableSectionsIndexMap;
+ DenseMap<const Elf_Sym*, ELF::Elf64_Word> ExtendedSymbolTable;
+
+ const Elf_Shdr *dot_dynamic_sec; // .dynamic
+ const Elf_Shdr *dot_gnu_version_sec; // .gnu.version
+ const Elf_Shdr *dot_gnu_version_r_sec; // .gnu.version_r
+ const Elf_Shdr *dot_gnu_version_d_sec; // .gnu.version_d
+
+ // Pointer to SONAME entry in dynamic string table
+ // This is set the first time getLoadName is called.
+ mutable const char *dt_soname;
+
private:
// Records for each version index the corresponding Verdef or Vernaux entry.
// This is filled the first time LoadVersionMap() is called.
return getSection(Rel.w.b);
}
+public:
bool isRelocationHasAddend(DataRefImpl Rel) const;
template<typename T>
const T *getEntry(uint16_t Section, uint32_t Entry) const;
protected:
const Elf_Sym *getSymbol(DataRefImpl Symb) const; // FIXME: Should be private?
void validateSymbol(DataRefImpl Symb) const;
+ StringRef getRelocationTypeName(uint32_t Type) const;
public:
error_code getSymbolName(const Elf_Shdr *section,
section_iterator &Res) const;
virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
- friend class DynRefImpl<ELFT>;
- virtual error_code getDynNext(DataRefImpl DynData, DynRef &Result) const;
-
virtual error_code getLibraryNext(DataRefImpl Data, LibraryRef &Result) const;
virtual error_code getLibraryPath(DataRefImpl Data, StringRef &Res) const;
public:
ELFObjectFile(MemoryBuffer *Object, error_code &ec);
+
+ bool isMips64EL() const {
+ return Header->e_machine == ELF::EM_MIPS &&
+ Header->getFileClass() == ELF::ELFCLASS64 &&
+ Header->getDataEncoding() == ELF::ELFDATA2LSB;
+ }
+
virtual symbol_iterator begin_symbols() const;
virtual symbol_iterator end_symbols() const;
virtual library_iterator begin_libraries_needed() const;
virtual library_iterator end_libraries_needed() const;
- virtual dyn_iterator begin_dynamic_table() const;
- virtual dyn_iterator end_dynamic_table() const;
+ const Elf_Shdr *getDynamicSymbolTableSectionHeader() const {
+ return SymbolTableSections[0];
+ }
- typedef ELFEntityIterator<const Elf_Rela> Elf_Rela_Iter;
- typedef ELFEntityIterator<const Elf_Rel> Elf_Rel_Iter;
+ const Elf_Shdr *getDynamicStringTableSectionHeader() const {
+ return dot_dynstr_sec;
+ }
+
+ Elf_Dyn_iterator begin_dynamic_table() const;
+ /// \param NULLEnd use one past the first DT_NULL entry as the end instead of
+ /// the section size.
+ Elf_Dyn_iterator end_dynamic_table(bool NULLEnd = false) const;
+
+ Elf_Sym_iterator begin_elf_dynamic_symbols() const {
+ const Elf_Shdr *DynSymtab = SymbolTableSections[0];
+ if (DynSymtab)
+ return Elf_Sym_iterator(DynSymtab->sh_entsize,
+ (const char *)base() + DynSymtab->sh_offset);
+ return Elf_Sym_iterator(0, 0);
+ }
+
+ Elf_Sym_iterator end_elf_dynamic_symbols() const {
+ const Elf_Shdr *DynSymtab = SymbolTableSections[0];
+ if (DynSymtab)
+ return Elf_Sym_iterator(DynSymtab->sh_entsize, (const char *)base() +
+ DynSymtab->sh_offset + DynSymtab->sh_size);
+ return Elf_Sym_iterator(0, 0);
+ }
Elf_Rela_Iter beginELFRela(const Elf_Shdr *sec) const {
return Elf_Rela_Iter(sec->sh_entsize,
uint64_t getNumSections() const;
uint64_t getStringTableIndex() const;
ELF::Elf64_Word getSymbolTableIndex(const Elf_Sym *symb) const;
+ const Elf_Ehdr *getElfHeader() const;
const Elf_Shdr *getSection(const Elf_Sym *symb) const;
const Elf_Shdr *getElfSection(section_iterator &It) const;
const Elf_Sym *getElfSymbol(symbol_iterator &It) const;
template<class ELFT>
void ELFObjectFile<ELFT>::validateSymbol(DataRefImpl Symb) const {
+#ifndef NDEBUG
const Elf_Sym *symb = getSymbol(Symb);
const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b];
// FIXME: We really need to do proper error handling in the case of an invalid
+ SymbolTableSection->sh_size)))
// FIXME: Proper error handling.
report_fatal_error("Symb must point to a valid symbol!");
+#endif
}
template<class ELFT>
return getSection(symb->st_shndx);
}
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Ehdr *
+ELFObjectFile<ELFT>::getElfHeader() const {
+ return Header;
+}
+
template<class ELFT>
const typename ELFObjectFile<ELFT>::Elf_Shdr *
ELFObjectFile<ELFT>::getElfSection(section_iterator &It) const {
IsRelocatable = true;
}
Result = symb->st_value;
+
+ // Clear the ARM/Thumb indicator flag.
+ if (Header->e_machine == ELF::EM_ARM)
+ Result &= ~1;
+
if (IsRelocatable && Section != 0)
Result += Section->sh_addr;
return object_error::success;
error_code ELFObjectFile<ELFT>::sectionContainsSymbol(DataRefImpl Sec,
DataRefImpl Symb,
bool &Result) const {
- // FIXME: Unimplemented.
- Result = false;
+ validateSymbol(Symb);
+
+ const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
+ const Elf_Sym *symb = getSymbol(Symb);
+
+ unsigned shndx = symb->st_shndx;
+ bool Reserved = shndx >= ELF::SHN_LORESERVE
+ && shndx <= ELF::SHN_HIRESERVE;
+
+ Result = !Reserved && (sec == getSection(symb->st_shndx));
return object_error::success;
}
default :
report_fatal_error("Invalid section type in Rel!");
case ELF::SHT_REL : {
- symbolIdx = getRel(Rel)->getSymbol();
+ symbolIdx = getRel(Rel)->getSymbol(isMips64EL());
break;
}
case ELF::SHT_RELA : {
- symbolIdx = getRela(Rel)->getSymbol();
+ symbolIdx = getRela(Rel)->getSymbol(isMips64EL());
break;
}
}
default :
report_fatal_error("Invalid section type in Rel!");
case ELF::SHT_REL : {
- Result = getRel(Rel)->getType();
+ Result = getRel(Rel)->getType(isMips64EL());
break;
}
case ELF::SHT_RELA : {
- Result = getRela(Rel)->getType();
+ Result = getRela(Rel)->getType(isMips64EL());
break;
}
}
}
#define LLVM_ELF_SWITCH_RELOC_TYPE_NAME(enum) \
- case ELF::enum: res = #enum; break;
+ case ELF::enum: Res = #enum; break;
template<class ELFT>
-error_code ELFObjectFile<ELFT>::getRelocationTypeName(
- DataRefImpl Rel, SmallVectorImpl<char> &Result) const {
- const Elf_Shdr *sec = getSection(Rel.w.b);
- uint32_t type;
- StringRef res;
- switch (sec->sh_type) {
- default :
- return object_error::parse_failed;
- case ELF::SHT_REL : {
- type = getRel(Rel)->getType();
- break;
- }
- case ELF::SHT_RELA : {
- type = getRela(Rel)->getType();
- break;
- }
- }
+StringRef ELFObjectFile<ELFT>::getRelocationTypeName(uint32_t Type) const {
+ StringRef Res = "Unknown";
switch (Header->e_machine) {
case ELF::EM_X86_64:
- switch (type) {
+ switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_64);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_PC32);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_GOTPC32_TLSDESC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC_CALL);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_X86_64_TLSDESC);
- default:
- res = "Unknown";
+ default: break;
}
break;
case ELF::EM_386:
- switch (type) {
+ switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_32);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_PC32);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC_CALL);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_TLS_DESC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_386_IRELATIVE);
- default:
- res = "Unknown";
+ default: break;
+ }
+ break;
+ case ELF::EM_MIPS:
+ switch (Type) {
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_NONE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_REL32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_26);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GPREL16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_LITERAL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PC16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GPREL32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SHIFT5);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SHIFT6);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_64);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_DISP);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_PAGE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_OFST);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GOT_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SUB);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_INSERT_A);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_INSERT_B);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_DELETE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HIGHER);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_HIGHEST);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_CALL_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_SCN_DISP);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_REL16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_ADD_IMMEDIATE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_PJUMP);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_RELGOT);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_JALR);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPMOD32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPMOD64);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL64);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_GD);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_LDM);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_DTPREL_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_GOTTPREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL64);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_TLS_TPREL_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_GLOB_DAT);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_COPY);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_MIPS_JUMP_SLOT);
+ default: break;
+ }
+ break;
+ case ELF::EM_AARCH64:
+ switch (Type) {
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_NONE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS64);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ABS16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL64);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_PREL16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G0_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G1_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G2_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_UABS_G3);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_MOVW_SABS_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LD_PREL_LO19);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_PREL_LO21);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_PREL_PG_HI21);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADD_ABS_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST8_ABS_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TSTBR14);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_CONDBR19);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_JUMP26);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_CALL26);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST16_ABS_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST32_ABS_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST64_ABS_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST128_ABS_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_GOT_PAGE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LD64_GOT_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_HI12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST8_DTPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST16_DTPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST32_DTPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST64_DTPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_MOVW_GOTTPREL_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSIE_LD_GOTTPREL_PREL19);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G1_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_MOVW_TPREL_G0_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_HI12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_ADD_TPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST8_TPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST16_TPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST32_TPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST64_TPREL_LO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADR_PAGE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_LD64_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADD_LO12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_CALL);
+ default: break;
}
break;
case ELF::EM_ARM:
- switch (type) {
+ switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PC24);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ME_TOO);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ16);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_DESCSEQ32);
- default:
- res = "Unknown";
+ default: break;
}
break;
case ELF::EM_HEXAGON:
- switch (type) {
+ switch (Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_NONE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32_6_X);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16_X);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_11_X);
- default:
- res = "Unknown";
+ default: break;
}
break;
- default:
- res = "Unknown";
+ default: break;
}
- Result.append(res.begin(), res.end());
- return object_error::success;
+ return Res;
}
#undef LLVM_ELF_SWITCH_RELOC_TYPE_NAME
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getRelocationTypeName(
+ DataRefImpl Rel, SmallVectorImpl<char> &Result) const {
+ const Elf_Shdr *sec = getSection(Rel.w.b);
+ uint32_t type;
+ switch (sec->sh_type) {
+ default :
+ return object_error::parse_failed;
+ case ELF::SHT_REL : {
+ type = getRel(Rel)->getType(isMips64EL());
+ break;
+ }
+ case ELF::SHT_RELA : {
+ type = getRela(Rel)->getType(isMips64EL());
+ break;
+ }
+ }
+
+ if (!isMips64EL()) {
+ StringRef Name = getRelocationTypeName(type);
+ Result.append(Name.begin(), Name.end());
+ } else {
+ uint8_t Type1 = (type >> 0) & 0xFF;
+ uint8_t Type2 = (type >> 8) & 0xFF;
+ uint8_t Type3 = (type >> 16) & 0xFF;
+
+ // Concat all three relocation type names.
+ StringRef Name = getRelocationTypeName(Type1);
+ Result.append(Name.begin(), Name.end());
+
+ Name = getRelocationTypeName(Type2);
+ Result.append(1, '/');
+ Result.append(Name.begin(), Name.end());
+
+ Name = getRelocationTypeName(Type3);
+ Result.append(1, '/');
+ Result.append(Name.begin(), Name.end());
+ }
+
+ return object_error::success;
+}
+
template<class ELFT>
error_code ELFObjectFile<ELFT>::getRelocationAdditionalInfo(
DataRefImpl Rel, int64_t &Result) const {
default:
return object_error::parse_failed;
case ELF::SHT_REL: {
- type = getRel(Rel)->getType();
- symbol_index = getRel(Rel)->getSymbol();
+ type = getRel(Rel)->getType(isMips64EL());
+ symbol_index = getRel(Rel)->getSymbol(isMips64EL());
// TODO: Read implicit addend from section data.
break;
}
case ELF::SHT_RELA: {
- type = getRela(Rel)->getType();
- symbol_index = getRela(Rel)->getSymbol();
+ type = getRela(Rel)->getType(isMips64EL());
+ symbol_index = getRela(Rel)->getSymbol(isMips64EL());
addend = getRela(Rel)->r_addend;
break;
}
res = "Unknown";
}
break;
+ case ELF::EM_AARCH64:
case ELF::EM_ARM:
case ELF::EM_HEXAGON:
res = symname;
: ObjectFile(getELFType(
static_cast<endianness>(ELFT::TargetEndianness) == support::little,
ELFT::Is64Bits),
- Object,
- ec)
+ Object)
, isDyldELFObject(false)
, SectionHeaderTable(0)
, dot_shstrtab_sec(0)
}
template<class ELFT>
-typename ELFObjectFile<ELFT>::dyn_iterator
+typename ELFObjectFile<ELFT>::Elf_Dyn_iterator
ELFObjectFile<ELFT>::begin_dynamic_table() const {
- DataRefImpl DynData;
- if (dot_dynamic_sec == NULL || dot_dynamic_sec->sh_size == 0) {
- DynData.d.a = std::numeric_limits<uint32_t>::max();
- } else {
- DynData.d.a = 0;
- }
- return dyn_iterator(DynRef(DynData, this));
+ if (dot_dynamic_sec)
+ return Elf_Dyn_iterator(dot_dynamic_sec->sh_entsize,
+ (const char *)base() + dot_dynamic_sec->sh_offset);
+ return Elf_Dyn_iterator(0, 0);
}
template<class ELFT>
-typename ELFObjectFile<ELFT>::dyn_iterator
-ELFObjectFile<ELFT>::end_dynamic_table() const {
- DataRefImpl DynData;
- DynData.d.a = std::numeric_limits<uint32_t>::max();
- return dyn_iterator(DynRef(DynData, this));
-}
+typename ELFObjectFile<ELFT>::Elf_Dyn_iterator
+ELFObjectFile<ELFT>::end_dynamic_table(bool NULLEnd) const {
+ if (dot_dynamic_sec) {
+ Elf_Dyn_iterator Ret(dot_dynamic_sec->sh_entsize,
+ (const char *)base() + dot_dynamic_sec->sh_offset +
+ dot_dynamic_sec->sh_size);
-template<class ELFT>
-error_code ELFObjectFile<ELFT>::getDynNext(DataRefImpl DynData,
- DynRef &Result) const {
- ++DynData.d.a;
+ if (NULLEnd) {
+ Elf_Dyn_iterator Start = begin_dynamic_table();
+ while (Start != Ret && Start->getTag() != ELF::DT_NULL)
+ ++Start;
- // Check to see if we are at the end of .dynamic
- if (DynData.d.a >= dot_dynamic_sec->getEntityCount()) {
- // We are at the end. Return the terminator.
- DynData.d.a = std::numeric_limits<uint32_t>::max();
+ // Include the DT_NULL.
+ if (Start != Ret)
+ ++Start;
+ Ret = Start;
+ }
+ return Ret;
}
-
- Result = DynRef(DynData, this);
- return object_error::success;
+ return Elf_Dyn_iterator(0, 0);
}
template<class ELFT>
-StringRef
-ELFObjectFile<ELFT>::getLoadName() const {
+StringRef ELFObjectFile<ELFT>::getLoadName() const {
if (!dt_soname) {
// Find the DT_SONAME entry
- dyn_iterator it = begin_dynamic_table();
- dyn_iterator ie = end_dynamic_table();
- error_code ec;
- while (it != ie) {
- if (it->getTag() == ELF::DT_SONAME)
- break;
- it.increment(ec);
- if (ec)
- report_fatal_error("dynamic table iteration failed");
- }
+ Elf_Dyn_iterator it = begin_dynamic_table();
+ Elf_Dyn_iterator ie = end_dynamic_table();
+ while (it != ie && it->getTag() != ELF::DT_SONAME)
+ ++it;
+
if (it != ie) {
if (dot_dynstr_sec == NULL)
report_fatal_error("Dynamic string table is missing");
template<class ELFT>
library_iterator ELFObjectFile<ELFT>::begin_libraries_needed() const {
// Find the first DT_NEEDED entry
- dyn_iterator i = begin_dynamic_table();
- dyn_iterator e = end_dynamic_table();
- error_code ec;
- while (i != e) {
- if (i->getTag() == ELF::DT_NEEDED)
- break;
- i.increment(ec);
- if (ec)
- report_fatal_error("dynamic table iteration failed");
- }
- // Use the same DataRefImpl format as DynRef.
- return library_iterator(LibraryRef(i->getRawDataRefImpl(), this));
+ Elf_Dyn_iterator i = begin_dynamic_table();
+ Elf_Dyn_iterator e = end_dynamic_table();
+ while (i != e && i->getTag() != ELF::DT_NEEDED)
+ ++i;
+
+ DataRefImpl DRI;
+ DRI.p = reinterpret_cast<uintptr_t>(i.get());
+ return library_iterator(LibraryRef(DRI, this));
}
template<class ELFT>
error_code ELFObjectFile<ELFT>::getLibraryNext(DataRefImpl Data,
LibraryRef &Result) const {
// Use the same DataRefImpl format as DynRef.
- dyn_iterator i = dyn_iterator(DynRef(Data, this));
- dyn_iterator e = end_dynamic_table();
-
- // Skip the current dynamic table entry.
- error_code ec;
- if (i != e) {
- i.increment(ec);
- // TODO: proper error handling
- if (ec)
- report_fatal_error("dynamic table iteration failed");
- }
-
- // Find the next DT_NEEDED entry.
- while (i != e) {
- if (i->getTag() == ELF::DT_NEEDED)
- break;
- i.increment(ec);
- if (ec)
- report_fatal_error("dynamic table iteration failed");
- }
- Result = LibraryRef(i->getRawDataRefImpl(), this);
+ Elf_Dyn_iterator i = Elf_Dyn_iterator(dot_dynamic_sec->sh_entsize,
+ reinterpret_cast<const char *>(Data.p));
+ Elf_Dyn_iterator e = end_dynamic_table();
+
+ // Skip the current dynamic table entry and find the next DT_NEEDED entry.
+ do
+ ++i;
+ while (i != e && i->getTag() != ELF::DT_NEEDED);
+
+ DataRefImpl DRI;
+ DRI.p = reinterpret_cast<uintptr_t>(i.get());
+ Result = LibraryRef(DRI, this);
return object_error::success;
}
template<class ELFT>
error_code ELFObjectFile<ELFT>::getLibraryPath(DataRefImpl Data,
StringRef &Res) const {
- dyn_iterator i = dyn_iterator(DynRef(Data, this));
+ Elf_Dyn_iterator i = Elf_Dyn_iterator(dot_dynamic_sec->sh_entsize,
+ reinterpret_cast<const char *>(Data.p));
if (i == end_dynamic_table())
report_fatal_error("getLibraryPath() called on iterator end");
template<class ELFT>
library_iterator ELFObjectFile<ELFT>::end_libraries_needed() const {
- dyn_iterator e = end_dynamic_table();
- // Use the same DataRefImpl format as DynRef.
- return library_iterator(LibraryRef(e->getRawDataRefImpl(), this));
+ Elf_Dyn_iterator e = end_dynamic_table();
+ DataRefImpl DRI;
+ DRI.p = reinterpret_cast<uintptr_t>(e.get());
+ return library_iterator(LibraryRef(DRI, this));
}
template<class ELFT>
return "ELF32-arm";
case ELF::EM_HEXAGON:
return "ELF32-hexagon";
+ case ELF::EM_MIPS:
+ return "ELF32-mips";
default:
return "ELF32-unknown";
}
return "ELF64-i386";
case ELF::EM_X86_64:
return "ELF64-x86-64";
+ case ELF::EM_AARCH64:
+ return "ELF64-aarch64";
case ELF::EM_PPC64:
return "ELF64-ppc64";
default:
return Triple::x86;
case ELF::EM_X86_64:
return Triple::x86_64;
+ case ELF::EM_AARCH64:
+ return Triple::aarch64;
case ELF::EM_ARM:
return Triple::arm;
case ELF::EM_HEXAGON:
return getEntry<Elf_Sym>(SymbolTableSections[Symb.d.b], Symb.d.a);
}
-template<class ELFT>
-const typename ELFObjectFile<ELFT>::Elf_Dyn *
-ELFObjectFile<ELFT>::getDyn(DataRefImpl DynData) const {
- return getEntry<Elf_Dyn>(dot_dynamic_sec, DynData.d.a);
-}
-
template<class ELFT>
const typename ELFObjectFile<ELFT>::Elf_Rel *
ELFObjectFile<ELFT>::getRel(DataRefImpl Rel) const {
return object_error::success;
}
-template<class ELFT>
-inline DynRefImpl<ELFT>::DynRefImpl(DataRefImpl DynP, const OwningType *Owner)
- : DynPimpl(DynP)
- , OwningObject(Owner) {}
-
-template<class ELFT>
-inline bool DynRefImpl<ELFT>::operator==(const DynRefImpl &Other) const {
- return DynPimpl == Other.DynPimpl;
-}
-
-template<class ELFT>
-inline bool DynRefImpl<ELFT>::operator <(const DynRefImpl &Other) const {
- return DynPimpl < Other.DynPimpl;
-}
-
-template<class ELFT>
-inline error_code DynRefImpl<ELFT>::getNext(DynRefImpl &Result) const {
- return OwningObject->getDynNext(DynPimpl, Result);
-}
-
-template<class ELFT>
-inline int64_t DynRefImpl<ELFT>::getTag() const {
- return OwningObject->getDyn(DynPimpl)->d_tag;
-}
-
-template<class ELFT>
-inline uint64_t DynRefImpl<ELFT>::getVal() const {
- return OwningObject->getDyn(DynPimpl)->d_un.d_val;
-}
-
-template<class ELFT>
-inline uint64_t DynRefImpl<ELFT>::getPtr() const {
- return OwningObject->getDyn(DynPimpl)->d_un.d_ptr;
-}
-
-template<class ELFT>
-inline DataRefImpl DynRefImpl<ELFT>::getRawDataRefImpl() const {
- return DynPimpl;
-}
-
/// This is a generic interface for retrieving GNU symbol version
/// information from an ELFObjectFile.
static inline error_code GetELFSymbolVersion(const ObjectFile *Obj,
llvm_unreachable("Object passed to GetELFSymbolVersion() is not ELF");
}
+/// This function returns the hash value for a symbol in the .dynsym section
+/// Name of the API remains consistent as specified in the libelf
+/// REF : http://www.sco.com/developers/gabi/latest/ch5.dynamic.html#hash
+static inline unsigned elf_hash(StringRef &symbolName) {
+ unsigned h = 0, g;
+ for (unsigned i = 0, j = symbolName.size(); i < j; i++) {
+ h = (h << 4) + symbolName[i];
+ g = h & 0xf0000000L;
+ if (g != 0)
+ h ^= g >> 24;
+ h &= ~g;
+ }
+ return h;
+}
+
}
}
projects / oota-llvm.git / blobdiff