#ifndef LLVM_OBJECT_ELF_H
#define LLVM_OBJECT_ELF_H
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
-#include "llvm/ADT/DenseMap.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/ELF.h"
namespace llvm {
namespace object {
+using support::endianness;
+
+template<endianness target_endianness, std::size_t max_alignment, bool is64Bits>
+struct ELFType {
+ static const endianness TargetEndianness = target_endianness;
+ static const std::size_t MaxAlignment = max_alignment;
+ static const bool Is64Bits = is64Bits;
+};
+
+template<typename T, int max_align>
+struct MaximumAlignment {
+ enum {value = AlignOf<T>::Alignment > max_align ? max_align
+ : AlignOf<T>::Alignment};
+};
+
+// Subclasses of ELFObjectFile may need this for template instantiation
+inline std::pair<unsigned char, unsigned char>
+getElfArchType(MemoryBuffer *Object) {
+ if (Object->getBufferSize() < ELF::EI_NIDENT)
+ return std::make_pair((uint8_t)ELF::ELFCLASSNONE,(uint8_t)ELF::ELFDATANONE);
+ return std::make_pair( (uint8_t)Object->getBufferStart()[ELF::EI_CLASS]
+ , (uint8_t)Object->getBufferStart()[ELF::EI_DATA]);
+}
+
// Templates to choose Elf_Addr and Elf_Off depending on is64Bits.
-template<support::endianness target_endianness>
+template<endianness target_endianness, std::size_t max_alignment>
struct ELFDataTypeTypedefHelperCommon {
typedef support::detail::packed_endian_specific_integral
- <uint16_t, target_endianness, support::aligned> Elf_Half;
+ <uint16_t, target_endianness,
+ MaximumAlignment<uint16_t, max_alignment>::value> Elf_Half;
typedef support::detail::packed_endian_specific_integral
- <uint32_t, target_endianness, support::aligned> Elf_Word;
+ <uint32_t, target_endianness,
+ MaximumAlignment<uint32_t, max_alignment>::value> Elf_Word;
typedef support::detail::packed_endian_specific_integral
- <int32_t, target_endianness, support::aligned> Elf_Sword;
+ <int32_t, target_endianness,
+ MaximumAlignment<int32_t, max_alignment>::value> Elf_Sword;
typedef support::detail::packed_endian_specific_integral
- <uint64_t, target_endianness, support::aligned> Elf_Xword;
+ <uint64_t, target_endianness,
+ MaximumAlignment<uint64_t, max_alignment>::value> Elf_Xword;
typedef support::detail::packed_endian_specific_integral
- <int64_t, target_endianness, support::aligned> Elf_Sxword;
+ <int64_t, target_endianness,
+ MaximumAlignment<int64_t, max_alignment>::value> Elf_Sxword;
};
-template<support::endianness target_endianness, bool is64Bits>
+template<class ELFT>
struct ELFDataTypeTypedefHelper;
/// ELF 32bit types.
-template<support::endianness target_endianness>
-struct ELFDataTypeTypedefHelper<target_endianness, false>
- : ELFDataTypeTypedefHelperCommon<target_endianness> {
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct ELFDataTypeTypedefHelper<ELFT<TargetEndianness, MaxAlign, false> >
+ : ELFDataTypeTypedefHelperCommon<TargetEndianness, MaxAlign> {
typedef uint32_t value_type;
typedef support::detail::packed_endian_specific_integral
- <value_type, target_endianness, support::aligned> Elf_Addr;
+ <value_type, TargetEndianness,
+ MaximumAlignment<value_type, MaxAlign>::value> Elf_Addr;
typedef support::detail::packed_endian_specific_integral
- <value_type, target_endianness, support::aligned> Elf_Off;
+ <value_type, TargetEndianness,
+ MaximumAlignment<value_type, MaxAlign>::value> Elf_Off;
};
/// ELF 64bit types.
-template<support::endianness target_endianness>
-struct ELFDataTypeTypedefHelper<target_endianness, true>
- : ELFDataTypeTypedefHelperCommon<target_endianness>{
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct ELFDataTypeTypedefHelper<ELFT<TargetEndianness, MaxAlign, true> >
+ : ELFDataTypeTypedefHelperCommon<TargetEndianness, MaxAlign> {
typedef uint64_t value_type;
typedef support::detail::packed_endian_specific_integral
- <value_type, target_endianness, support::aligned> Elf_Addr;
+ <value_type, TargetEndianness,
+ MaximumAlignment<value_type, MaxAlign>::value> Elf_Addr;
typedef support::detail::packed_endian_specific_integral
- <value_type, target_endianness, support::aligned> Elf_Off;
+ <value_type, TargetEndianness,
+ MaximumAlignment<value_type, MaxAlign>::value> Elf_Off;
};
// I really don't like doing this, but the alternative is copypasta.
-#define LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits) \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Addr Elf_Addr; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Off Elf_Off; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Half Elf_Half; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Word Elf_Word; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Sword Elf_Sword; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Xword Elf_Xword; \
-typedef typename \
- ELFDataTypeTypedefHelper<target_endianness, is64Bits>::Elf_Sxword Elf_Sxword;
+#define LLVM_ELF_IMPORT_TYPES(ELFT) \
+typedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Addr Elf_Addr; \
+typedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Off Elf_Off; \
+typedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Half Elf_Half; \
+typedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Word Elf_Word; \
+typedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Sword Elf_Sword; \
+typedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Xword Elf_Xword; \
+typedef typename ELFDataTypeTypedefHelper <ELFT>::Elf_Sxword Elf_Sxword;
+
+// This is required to get template types into a macro :(
+#define LLVM_ELF_COMMA ,
// Section header.
-template<support::endianness target_endianness, bool is64Bits>
+template<class ELFT>
struct Elf_Shdr_Base;
-template<support::endianness target_endianness>
-struct Elf_Shdr_Base<target_endianness, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Shdr_Base<ELFT<TargetEndianness, MaxAlign, false> > {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ MaxAlign LLVM_ELF_COMMA false>)
Elf_Word sh_name; // Section name (index into string table)
Elf_Word sh_type; // Section type (SHT_*)
Elf_Word sh_flags; // Section flags (SHF_*)
Elf_Word sh_entsize; // Size of records contained within the section
};
-template<support::endianness target_endianness>
-struct Elf_Shdr_Base<target_endianness, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Shdr_Base<ELFT<TargetEndianness, MaxAlign, true> > {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ MaxAlign LLVM_ELF_COMMA true>)
Elf_Word sh_name; // Section name (index into string table)
Elf_Word sh_type; // Section type (SHT_*)
Elf_Xword sh_flags; // Section flags (SHF_*)
Elf_Xword sh_entsize; // Size of records contained within the section
};
-template<support::endianness target_endianness, bool is64Bits>
-struct Elf_Shdr_Impl : Elf_Shdr_Base<target_endianness, is64Bits> {
- using Elf_Shdr_Base<target_endianness, is64Bits>::sh_entsize;
- using Elf_Shdr_Base<target_endianness, is64Bits>::sh_size;
+template<class ELFT>
+struct Elf_Shdr_Impl : Elf_Shdr_Base<ELFT> {
+ using Elf_Shdr_Base<ELFT>::sh_entsize;
+ using Elf_Shdr_Base<ELFT>::sh_size;
/// @brief Get the number of entities this section contains if it has any.
unsigned getEntityCount() const {
}
};
-template<support::endianness target_endianness, bool is64Bits>
+template<class ELFT>
struct Elf_Sym_Base;
-template<support::endianness target_endianness>
-struct Elf_Sym_Base<target_endianness, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Sym_Base<ELFT<TargetEndianness, MaxAlign, false> > {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ MaxAlign LLVM_ELF_COMMA false>)
Elf_Word st_name; // Symbol name (index into string table)
Elf_Addr st_value; // Value or address associated with the symbol
Elf_Word st_size; // Size of the symbol
Elf_Half st_shndx; // Which section (header table index) it's defined in
};
-template<support::endianness target_endianness>
-struct Elf_Sym_Base<target_endianness, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Sym_Base<ELFT<TargetEndianness, MaxAlign, true> > {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ MaxAlign LLVM_ELF_COMMA true>)
Elf_Word st_name; // Symbol name (index into string table)
unsigned char st_info; // Symbol's type and binding attributes
unsigned char st_other; // Must be zero; reserved
Elf_Xword st_size; // Size of the symbol
};
-template<support::endianness target_endianness, bool is64Bits>
-struct Elf_Sym_Impl : Elf_Sym_Base<target_endianness, is64Bits> {
- using Elf_Sym_Base<target_endianness, is64Bits>::st_info;
+template<class ELFT>
+struct Elf_Sym_Impl : Elf_Sym_Base<ELFT> {
+ using Elf_Sym_Base<ELFT>::st_info;
// These accessors and mutators correspond to the ELF32_ST_BIND,
// ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
}
};
-template<support::endianness target_endianness, bool is64Bits, bool isRela>
+/// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section
+/// (.gnu.version). This structure is identical for ELF32 and ELF64.
+template<class ELFT>
+struct Elf_Versym_Impl {
+ LLVM_ELF_IMPORT_TYPES(ELFT)
+ Elf_Half vs_index; // Version index with flags (e.g. VERSYM_HIDDEN)
+};
+
+template<class ELFT>
+struct Elf_Verdaux_Impl;
+
+/// Elf_Verdef: This is the structure of entries in the SHT_GNU_verdef section
+/// (.gnu.version_d). This structure is identical for ELF32 and ELF64.
+template<class ELFT>
+struct Elf_Verdef_Impl {
+ LLVM_ELF_IMPORT_TYPES(ELFT)
+ typedef Elf_Verdaux_Impl<ELFT> Elf_Verdaux;
+ Elf_Half vd_version; // Version of this structure (e.g. VER_DEF_CURRENT)
+ Elf_Half vd_flags; // Bitwise flags (VER_DEF_*)
+ Elf_Half vd_ndx; // Version index, used in .gnu.version entries
+ Elf_Half vd_cnt; // Number of Verdaux entries
+ Elf_Word vd_hash; // Hash of name
+ Elf_Word vd_aux; // Offset to the first Verdaux entry (in bytes)
+ Elf_Word vd_next; // Offset to the next Verdef entry (in bytes)
+
+ /// Get the first Verdaux entry for this Verdef.
+ const Elf_Verdaux *getAux() const {
+ return reinterpret_cast<const Elf_Verdaux*>((const char*)this + vd_aux);
+ }
+};
+
+/// Elf_Verdaux: This is the structure of auxiliary data in the SHT_GNU_verdef
+/// section (.gnu.version_d). This structure is identical for ELF32 and ELF64.
+template<class ELFT>
+struct Elf_Verdaux_Impl {
+ LLVM_ELF_IMPORT_TYPES(ELFT)
+ Elf_Word vda_name; // Version name (offset in string table)
+ Elf_Word vda_next; // Offset to next Verdaux entry (in bytes)
+};
+
+/// Elf_Verneed: This is the structure of entries in the SHT_GNU_verneed
+/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64.
+template<class ELFT>
+struct Elf_Verneed_Impl {
+ LLVM_ELF_IMPORT_TYPES(ELFT)
+ Elf_Half vn_version; // Version of this structure (e.g. VER_NEED_CURRENT)
+ Elf_Half vn_cnt; // Number of associated Vernaux entries
+ Elf_Word vn_file; // Library name (string table offset)
+ Elf_Word vn_aux; // Offset to first Vernaux entry (in bytes)
+ Elf_Word vn_next; // Offset to next Verneed entry (in bytes)
+};
+
+/// Elf_Vernaux: This is the structure of auxiliary data in SHT_GNU_verneed
+/// section (.gnu.version_r). This structure is identical for ELF32 and ELF64.
+template<class ELFT>
+struct Elf_Vernaux_Impl {
+ LLVM_ELF_IMPORT_TYPES(ELFT)
+ Elf_Word vna_hash; // Hash of dependency name
+ Elf_Half vna_flags; // Bitwise Flags (VER_FLAG_*)
+ Elf_Half vna_other; // Version index, used in .gnu.version entries
+ Elf_Word vna_name; // Dependency name
+ Elf_Word vna_next; // Offset to next Vernaux entry (in bytes)
+};
+
+/// Elf_Dyn_Base: This structure matches the form of entries in the dynamic
+/// table section (.dynamic) look like.
+template<class ELFT>
+struct Elf_Dyn_Base;
+
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Dyn_Base<ELFT<TargetEndianness, MaxAlign, false> > {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ MaxAlign LLVM_ELF_COMMA false>)
+ Elf_Sword d_tag;
+ union {
+ Elf_Word d_val;
+ Elf_Addr d_ptr;
+ } d_un;
+};
+
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Dyn_Base<ELFT<TargetEndianness, MaxAlign, true> > {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ MaxAlign LLVM_ELF_COMMA true>)
+ Elf_Sxword d_tag;
+ union {
+ Elf_Xword d_val;
+ Elf_Addr d_ptr;
+ } d_un;
+};
+
+/// Elf_Dyn_Impl: This inherits from Elf_Dyn_Base, adding getters and setters.
+template<class ELFT>
+struct Elf_Dyn_Impl : Elf_Dyn_Base<ELFT> {
+ using Elf_Dyn_Base<ELFT>::d_tag;
+ using Elf_Dyn_Base<ELFT>::d_un;
+ int64_t getTag() const { return d_tag; }
+ uint64_t getVal() const { return d_un.d_val; }
+ uint64_t getPtr() const { return d_un.ptr; }
+};
+
+// Elf_Rel: Elf Relocation
+template<class ELFT, bool isRela>
struct Elf_Rel_Base;
-template<support::endianness target_endianness>
-struct Elf_Rel_Base<target_endianness, false, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, false>, false> {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ 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<support::endianness target_endianness>
-struct Elf_Rel_Base<target_endianness, true, false> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, true>, false> {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ 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<support::endianness target_endianness>
-struct Elf_Rel_Base<target_endianness, false, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, false>, true> {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ 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
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<support::endianness target_endianness>
-struct Elf_Rel_Base<target_endianness, true, true> {
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Rel_Base<ELFT<TargetEndianness, MaxAlign, true>, true> {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ 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
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<support::endianness target_endianness, bool is64Bits, bool isRela>
+template<class ELFT, bool isRela>
struct Elf_Rel_Impl;
-template<support::endianness target_endianness, bool isRela>
-struct Elf_Rel_Impl<target_endianness, true, isRela>
- : Elf_Rel_Base<target_endianness, true, isRela> {
- using Elf_Rel_Base<target_endianness, true, isRela>::r_info;
- LLVM_ELF_IMPORT_TYPES(target_endianness, true)
+template<template<endianness, std::size_t, bool> class ELFT,
+ 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> {
+ 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:
- uint64_t getSymbol() const { return (r_info >> 32); }
- unsigned char getType() const {
- return (unsigned char) (r_info & 0xffffffffL);
+ uint32_t getSymbol(bool isMips64EL) const {
+ return (uint32_t) (this->getRInfo(isMips64EL) >> 32);
}
- void setSymbol(uint64_t s) { setSymbolAndType(s, getType()); }
- void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
- void setSymbolAndType(uint64_t s, unsigned char t) {
- r_info = (s << 32) + (t&0xffffffffL);
+ 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) {
+ this->setRInfo(((uint64_t)s << 32) + (t&0xffffffffL));
}
};
-template<support::endianness target_endianness, bool isRela>
-struct Elf_Rel_Impl<target_endianness, false, isRela>
- : Elf_Rel_Base<target_endianness, false, isRela> {
- using Elf_Rel_Base<target_endianness, false, isRela>::r_info;
- LLVM_ELF_IMPORT_TYPES(target_endianness, false)
+template<template<endianness, std::size_t, bool> class ELFT,
+ 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> {
+ 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);
+ }
+};
+
+template<class ELFT>
+struct Elf_Ehdr_Impl {
+ LLVM_ELF_IMPORT_TYPES(ELFT)
+ unsigned char e_ident[ELF::EI_NIDENT]; // ELF Identification bytes
+ Elf_Half e_type; // Type of file (see ET_*)
+ Elf_Half e_machine; // Required architecture for this file (see EM_*)
+ Elf_Word e_version; // Must be equal to 1
+ Elf_Addr e_entry; // Address to jump to in order to start program
+ Elf_Off e_phoff; // Program header table's file offset, in bytes
+ Elf_Off e_shoff; // Section header table's file offset, in bytes
+ Elf_Word e_flags; // Processor-specific flags
+ Elf_Half e_ehsize; // Size of ELF header, in bytes
+ Elf_Half e_phentsize;// Size of an entry in the program header table
+ Elf_Half e_phnum; // Number of entries in the program header table
+ Elf_Half e_shentsize;// Size of an entry in the section header table
+ Elf_Half e_shnum; // Number of entries in the section header table
+ Elf_Half e_shstrndx; // Section header table index of section name
+ // string table
+ bool checkMagic() const {
+ return (memcmp(e_ident, ELF::ElfMagic, strlen(ELF::ElfMagic))) == 0;
}
+ unsigned char getFileClass() const { return e_ident[ELF::EI_CLASS]; }
+ unsigned char getDataEncoding() const { return e_ident[ELF::EI_DATA]; }
+};
+
+template<class ELFT>
+struct Elf_Phdr_Impl;
+
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Phdr_Impl<ELFT<TargetEndianness, MaxAlign, false> > {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ MaxAlign LLVM_ELF_COMMA false>)
+ Elf_Word p_type; // Type of segment
+ Elf_Off p_offset; // FileOffset where segment is located, in bytes
+ Elf_Addr p_vaddr; // Virtual Address of beginning of segment
+ Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
+ Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
+ Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
+ Elf_Word p_flags; // Segment flags
+ Elf_Word p_align; // Segment alignment constraint
};
+template<template<endianness, std::size_t, bool> class ELFT,
+ endianness TargetEndianness, std::size_t MaxAlign>
+struct Elf_Phdr_Impl<ELFT<TargetEndianness, MaxAlign, true> > {
+ LLVM_ELF_IMPORT_TYPES(ELFT<TargetEndianness LLVM_ELF_COMMA
+ MaxAlign LLVM_ELF_COMMA true>)
+ Elf_Word p_type; // Type of segment
+ Elf_Word p_flags; // Segment flags
+ Elf_Off p_offset; // FileOffset where segment is located, in bytes
+ Elf_Addr p_vaddr; // Virtual Address of beginning of segment
+ Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
+ Elf_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
+ Elf_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero)
+ Elf_Xword p_align; // Segment alignment constraint
+};
-template<support::endianness target_endianness, bool is64Bits>
+template<class ELFT>
class ELFObjectFile : public ObjectFile {
- LLVM_ELF_IMPORT_TYPES(target_endianness, is64Bits)
+ LLVM_ELF_IMPORT_TYPES(ELFT)
- typedef Elf_Shdr_Impl<target_endianness, is64Bits> Elf_Shdr;
- typedef Elf_Sym_Impl<target_endianness, is64Bits> Elf_Sym;
- typedef Elf_Rel_Impl<target_endianness, is64Bits, false> Elf_Rel;
- typedef Elf_Rel_Impl<target_endianness, is64Bits, true> Elf_Rela;
+public:
+ /// \brief Iterate over constant sized entities.
+ template<class EntT>
+ class ELFEntityIterator {
+ public:
+ typedef ptrdiff_t difference_type;
+ typedef EntT value_type;
+ typedef std::random_access_iterator_tag iterator_category;
+ typedef value_type &reference;
+ typedef value_type *pointer;
+
+ /// \brief Default construct iterator.
+ ELFEntityIterator() : EntitySize(0), Current(0) {}
+ ELFEntityIterator(uint64_t EntSize, const char *Start)
+ : EntitySize(EntSize)
+ , Current(Start) {}
+
+ reference operator *() {
+ assert(Current && "Attempted to dereference an invalid iterator!");
+ return *reinterpret_cast<pointer>(Current);
+ }
-protected:
- struct Elf_Ehdr {
- unsigned char e_ident[ELF::EI_NIDENT]; // ELF Identification bytes
- Elf_Half e_type; // Type of file (see ET_*)
- Elf_Half e_machine; // Required architecture for this file (see EM_*)
- Elf_Word e_version; // Must be equal to 1
- Elf_Addr e_entry; // Address to jump to in order to start program
- Elf_Off e_phoff; // Program header table's file offset, in bytes
- Elf_Off e_shoff; // Section header table's file offset, in bytes
- Elf_Word e_flags; // Processor-specific flags
- Elf_Half e_ehsize; // Size of ELF header, in bytes
- Elf_Half e_phentsize;// Size of an entry in the program header table
- Elf_Half e_phnum; // Number of entries in the program header table
- Elf_Half e_shentsize;// Size of an entry in the section header table
- Elf_Half e_shnum; // Number of entries in the section header table
- Elf_Half e_shstrndx; // Section header table index of section name
- // string table
- bool checkMagic() const {
- return (memcmp(e_ident, ELF::ElfMagic, strlen(ELF::ElfMagic))) == 0;
+ pointer operator ->() {
+ assert(Current && "Attempted to dereference an invalid iterator!");
+ return reinterpret_cast<pointer>(Current);
+ }
+
+ bool operator ==(const ELFEntityIterator &Other) {
+ return Current == Other.Current;
+ }
+
+ bool operator !=(const ELFEntityIterator &Other) {
+ return !(*this == Other);
+ }
+
+ ELFEntityIterator &operator ++() {
+ assert(Current && "Attempted to increment an invalid iterator!");
+ Current += EntitySize;
+ return *this;
}
- unsigned char getFileClass() const { return e_ident[ELF::EI_CLASS]; }
- unsigned char getDataEncoding() const { return e_ident[ELF::EI_DATA]; }
+
+ ELFEntityIterator operator ++(int) {
+ ELFEntityIterator Tmp = *this;
+ ++*this;
+ 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:
+ 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*, 1> Sections_t;
+ 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_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.
+ class VersionMapEntry : public PointerIntPair<const void*, 1> {
+ public:
+ // If the integer is 0, this is an Elf_Verdef*.
+ // If the integer is 1, this is an Elf_Vernaux*.
+ VersionMapEntry() : PointerIntPair<const void*, 1>(NULL, 0) { }
+ VersionMapEntry(const Elf_Verdef *verdef)
+ : PointerIntPair<const void*, 1>(verdef, 0) { }
+ VersionMapEntry(const Elf_Vernaux *vernaux)
+ : PointerIntPair<const void*, 1>(vernaux, 1) { }
+ bool isNull() const { return getPointer() == NULL; }
+ bool isVerdef() const { return !isNull() && getInt() == 0; }
+ bool isVernaux() const { return !isNull() && getInt() == 1; }
+ const Elf_Verdef *getVerdef() const {
+ return isVerdef() ? (const Elf_Verdef*)getPointer() : NULL;
+ }
+ const Elf_Vernaux *getVernaux() const {
+ return isVernaux() ? (const Elf_Vernaux*)getPointer() : NULL;
+ }
+ };
+ mutable SmallVector<VersionMapEntry, 16> VersionMap;
+ void LoadVersionDefs(const Elf_Shdr *sec) const;
+ void LoadVersionNeeds(const Elf_Shdr *ec) const;
+ void LoadVersionMap() const;
+
/// @brief Map sections to an array of relocation sections that reference
/// them sorted by section index.
RelocMap_t SectionRelocMap;
return getSection(Rel.w.b);
}
+public:
bool isRelocationHasAddend(DataRefImpl Rel) const;
template<typename T>
const T *getEntry(uint16_t Section, uint32_t Entry) const;
const Elf_Rela *getRela(DataRefImpl Rela) const;
const char *getString(uint32_t section, uint32_t offset) const;
const char *getString(const Elf_Shdr *section, uint32_t offset) const;
- error_code getSymbolName(const Elf_Shdr *section,
- const Elf_Sym *Symb,
- StringRef &Res) const;
+ error_code getSymbolVersion(const Elf_Shdr *section,
+ const Elf_Sym *Symb,
+ StringRef &Version,
+ bool &IsDefault) const;
void VerifyStrTab(const Elf_Shdr *sh) 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,
+ const Elf_Sym *Symb,
+ StringRef &Res) const;
+ error_code getSectionName(const Elf_Shdr *section,
+ StringRef &Res) const;
+ const Elf_Dyn *getDyn(DataRefImpl DynData) const;
+ error_code getSymbolVersion(SymbolRef Symb, StringRef &Version,
+ bool &IsDefault) const;
+ uint64_t getSymbolIndex(const Elf_Sym *sym) const;
protected:
virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const;
virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const;
virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const;
- virtual error_code isSymbolInternal(DataRefImpl Symb, bool &Res) const;
- virtual error_code isSymbolGlobal(DataRefImpl Symb, bool &Res) const;
- virtual error_code isSymbolWeak(DataRefImpl Symb, bool &Res) const;
+ virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const;
virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const;
- virtual error_code isSymbolAbsolute(DataRefImpl Symb, bool &Res) const;
virtual error_code getSymbolSection(DataRefImpl Symb,
section_iterator &Res) const;
+ virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
+
+ virtual error_code getLibraryNext(DataRefImpl Data, LibraryRef &Result) const;
+ virtual error_code getLibraryPath(DataRefImpl Data, StringRef &Res) const;
virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const;
virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const;
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
+ bool &Res) const;
+ virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const;
+ virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const;
virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) 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 symbol_iterator begin_dynamic_symbols() const;
virtual symbol_iterator end_dynamic_symbols() const;
+
virtual section_iterator begin_sections() const;
virtual section_iterator end_sections() const;
+ virtual library_iterator begin_libraries_needed() const;
+ virtual library_iterator end_libraries_needed() const;
+
+ const Elf_Shdr *getDynamicSymbolTableSectionHeader() const {
+ return SymbolTableSections[0];
+ }
+
+ 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,
+ (const char *)(base() + sec->sh_offset));
+ }
+
+ Elf_Rela_Iter endELFRela(const Elf_Shdr *sec) const {
+ return Elf_Rela_Iter(sec->sh_entsize, (const char *)
+ (base() + sec->sh_offset + sec->sh_size));
+ }
+
+ Elf_Rel_Iter beginELFRel(const Elf_Shdr *sec) const {
+ return Elf_Rel_Iter(sec->sh_entsize,
+ (const char *)(base() + sec->sh_offset));
+ }
+
+ Elf_Rel_Iter endELFRel(const Elf_Shdr *sec) const {
+ return Elf_Rel_Iter(sec->sh_entsize, (const char *)
+ (base() + sec->sh_offset + sec->sh_size));
+ }
+
+ /// \brief Iterate over program header table.
+ typedef ELFEntityIterator<const Elf_Phdr> Elf_Phdr_Iter;
+
+ Elf_Phdr_Iter begin_program_headers() const {
+ return Elf_Phdr_Iter(Header->e_phentsize,
+ (const char*)base() + Header->e_phoff);
+ }
+
+ Elf_Phdr_Iter end_program_headers() const {
+ return Elf_Phdr_Iter(Header->e_phentsize,
+ (const char*)base() +
+ Header->e_phoff +
+ (Header->e_phnum * Header->e_phentsize));
+ }
+
virtual uint8_t getBytesInAddress() const;
virtual StringRef getFileFormatName() const;
+ virtual StringRef getObjectType() const { return "ELF"; }
virtual unsigned getArch() const;
+ virtual StringRef getLoadName() const;
+ virtual error_code getSectionContents(const Elf_Shdr *sec,
+ StringRef &Res) const;
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;
+ const Elf_Sym *getElfSymbol(uint32_t index) const;
// Methods for type inquiry through isa, cast, and dyn_cast
bool isDyldType() const { return isDyldELFObject; }
static inline bool classof(const Binary *v) {
- return v->getType() == Binary::isELF;
+ return v->getType() == getELFType(ELFT::TargetEndianness == support::little,
+ ELFT::Is64Bits);
}
- static inline bool classof(const ELFObjectFile *v) { return true; }
};
-template<support::endianness target_endianness, bool is64Bits>
-void ELFObjectFile<target_endianness, is64Bits>
- ::validateSymbol(DataRefImpl Symb) const {
+// Iterate through the version definitions, and place each Elf_Verdef
+// in the VersionMap according to its index.
+template<class ELFT>
+void ELFObjectFile<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
+ unsigned vd_size = sec->sh_size; // Size of section in bytes
+ unsigned vd_count = sec->sh_info; // Number of Verdef entries
+ const char *sec_start = (const char*)base() + sec->sh_offset;
+ const char *sec_end = sec_start + vd_size;
+ // The first Verdef entry is at the start of the section.
+ const char *p = sec_start;
+ for (unsigned i = 0; i < vd_count; i++) {
+ if (p + sizeof(Elf_Verdef) > sec_end)
+ report_fatal_error("Section ended unexpectedly while scanning "
+ "version definitions.");
+ const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
+ if (vd->vd_version != ELF::VER_DEF_CURRENT)
+ report_fatal_error("Unexpected verdef version");
+ size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
+ if (index >= VersionMap.size())
+ VersionMap.resize(index+1);
+ VersionMap[index] = VersionMapEntry(vd);
+ p += vd->vd_next;
+ }
+}
+
+// Iterate through the versions needed section, and place each Elf_Vernaux
+// in the VersionMap according to its index.
+template<class ELFT>
+void ELFObjectFile<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
+ unsigned vn_size = sec->sh_size; // Size of section in bytes
+ unsigned vn_count = sec->sh_info; // Number of Verneed entries
+ const char *sec_start = (const char*)base() + sec->sh_offset;
+ const char *sec_end = sec_start + vn_size;
+ // The first Verneed entry is at the start of the section.
+ const char *p = sec_start;
+ for (unsigned i = 0; i < vn_count; i++) {
+ if (p + sizeof(Elf_Verneed) > sec_end)
+ report_fatal_error("Section ended unexpectedly while scanning "
+ "version needed records.");
+ const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
+ if (vn->vn_version != ELF::VER_NEED_CURRENT)
+ report_fatal_error("Unexpected verneed version");
+ // Iterate through the Vernaux entries
+ const char *paux = p + vn->vn_aux;
+ for (unsigned j = 0; j < vn->vn_cnt; j++) {
+ if (paux + sizeof(Elf_Vernaux) > sec_end)
+ report_fatal_error("Section ended unexpected while scanning auxiliary "
+ "version needed records.");
+ const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
+ size_t index = vna->vna_other & ELF::VERSYM_VERSION;
+ if (index >= VersionMap.size())
+ VersionMap.resize(index+1);
+ VersionMap[index] = VersionMapEntry(vna);
+ paux += vna->vna_next;
+ }
+ p += vn->vn_next;
+ }
+}
+
+template<class ELFT>
+void ELFObjectFile<ELFT>::LoadVersionMap() const {
+ // If there is no dynamic symtab or version table, there is nothing to do.
+ if (SymbolTableSections[0] == NULL || dot_gnu_version_sec == NULL)
+ return;
+
+ // Has the VersionMap already been loaded?
+ if (VersionMap.size() > 0)
+ return;
+
+ // The first two version indexes are reserved.
+ // Index 0 is LOCAL, index 1 is GLOBAL.
+ VersionMap.push_back(VersionMapEntry());
+ VersionMap.push_back(VersionMapEntry());
+
+ if (dot_gnu_version_d_sec)
+ LoadVersionDefs(dot_gnu_version_d_sec);
+
+ if (dot_gnu_version_r_sec)
+ LoadVersionNeeds(dot_gnu_version_r_sec);
+}
+
+template<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<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolNext(DataRefImpl Symb,
- SymbolRef &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolNext(DataRefImpl Symb,
+ SymbolRef &Result) const {
validateSymbol(Symb);
const Elf_Shdr *SymbolTableSection = SymbolTableSections[Symb.d.b];
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolName(DataRefImpl Symb,
- StringRef &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolName(DataRefImpl Symb,
+ StringRef &Result) const {
validateSymbol(Symb);
const Elf_Sym *symb = getSymbol(Symb);
return getSymbolName(SymbolTableSections[Symb.d.b], symb, Result);
}
-template<support::endianness target_endianness, bool is64Bits>
-ELF::Elf64_Word ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolTableIndex(const Elf_Sym *symb) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolVersion(SymbolRef SymRef,
+ StringRef &Version,
+ bool &IsDefault) const {
+ DataRefImpl Symb = SymRef.getRawDataRefImpl();
+ validateSymbol(Symb);
+ const Elf_Sym *symb = getSymbol(Symb);
+ return getSymbolVersion(SymbolTableSections[Symb.d.b], symb,
+ Version, IsDefault);
+}
+
+template<class ELFT>
+ELF::Elf64_Word ELFObjectFile<ELFT>
+ ::getSymbolTableIndex(const Elf_Sym *symb) const {
if (symb->st_shndx == ELF::SHN_XINDEX)
return ExtendedSymbolTable.lookup(symb);
return symb->st_shndx;
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr *
-ELFObjectFile<target_endianness, is64Bits>
- ::getSection(const Elf_Sym *symb) const {
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Shdr *
+ELFObjectFile<ELFT>::getSection(const Elf_Sym *symb) const {
if (symb->st_shndx == ELF::SHN_XINDEX)
return getSection(ExtendedSymbolTable.lookup(symb));
if (symb->st_shndx >= ELF::SHN_LORESERVE)
return getSection(symb->st_shndx);
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolFileOffset(DataRefImpl Symb,
- uint64_t &Result) const {
+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 {
+ llvm::object::DataRefImpl ShdrRef = It->getRawDataRefImpl();
+ return reinterpret_cast<const Elf_Shdr *>(ShdrRef.p);
+}
+
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Sym *
+ELFObjectFile<ELFT>::getElfSymbol(symbol_iterator &It) const {
+ return getSymbol(It->getRawDataRefImpl());
+}
+
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Sym *
+ELFObjectFile<ELFT>::getElfSymbol(uint32_t index) const {
+ DataRefImpl SymbolData;
+ SymbolData.d.a = index;
+ SymbolData.d.b = 1;
+ return getSymbol(SymbolData);
+}
+
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolFileOffset(DataRefImpl Symb,
+ uint64_t &Result) const {
validateSymbol(Symb);
const Elf_Sym *symb = getSymbol(Symb);
const Elf_Shdr *Section;
switch (symb->getType()) {
case ELF::STT_SECTION:
- Result = Section ? Section->sh_addr : UnknownAddressOrSize;
+ Result = Section ? Section->sh_offset : UnknownAddressOrSize;
return object_error::success;
case ELF::STT_FUNC:
case ELF::STT_OBJECT:
}
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolAddress(DataRefImpl Symb,
- uint64_t &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolAddress(DataRefImpl Symb,
+ uint64_t &Result) const {
validateSymbol(Symb);
const Elf_Sym *symb = getSymbol(Symb);
const Elf_Shdr *Section;
case ELF::STT_FUNC:
case ELF::STT_OBJECT:
case ELF::STT_NOTYPE:
- Result = symb->st_value + (Section ? Section->sh_addr : 0);
+ bool IsRelocatable;
+ switch(Header->e_type) {
+ case ELF::ET_EXEC:
+ case ELF::ET_DYN:
+ IsRelocatable = false;
+ break;
+ default:
+ 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;
default:
Result = UnknownAddressOrSize;
}
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolSize(DataRefImpl Symb,
- uint64_t &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolSize(DataRefImpl Symb,
+ uint64_t &Result) const {
validateSymbol(Symb);
const Elf_Sym *symb = getSymbol(Symb);
if (symb->st_size == 0)
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolNMTypeChar(DataRefImpl Symb,
- char &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolNMTypeChar(DataRefImpl Symb,
+ char &Result) const {
validateSymbol(Symb);
const Elf_Sym *symb = getSymbol(Symb);
const Elf_Shdr *Section = getSection(symb);
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolType(DataRefImpl Symb,
- SymbolRef::Type &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolType(DataRefImpl Symb,
+ SymbolRef::Type &Result) const {
validateSymbol(Symb);
const Elf_Sym *symb = getSymbol(Symb);
- if (getSymbolTableIndex(symb) == ELF::SHN_UNDEF) {
- Result = SymbolRef::ST_External;
- return object_error::success;
- }
-
switch (symb->getType()) {
+ case ELF::STT_NOTYPE:
+ Result = SymbolRef::ST_Unknown;
+ break;
case ELF::STT_SECTION:
Result = SymbolRef::ST_Debug;
break;
Result = SymbolRef::ST_Function;
break;
case ELF::STT_OBJECT:
+ case ELF::STT_COMMON:
+ case ELF::STT_TLS:
Result = SymbolRef::ST_Data;
break;
default:
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::isSymbolGlobal(DataRefImpl Symb,
- bool &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolFlags(DataRefImpl Symb,
+ uint32_t &Result) const {
validateSymbol(Symb);
const Elf_Sym *symb = getSymbol(Symb);
- Result = symb->getBinding() == ELF::STB_GLOBAL;
- return object_error::success;
-}
+ Result = SymbolRef::SF_None;
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::isSymbolWeak(DataRefImpl Symb,
- bool &Result) const {
- validateSymbol(Symb);
- const Elf_Sym *symb = getSymbol(Symb);
+ if (symb->getBinding() != ELF::STB_LOCAL)
+ Result |= SymbolRef::SF_Global;
- Result = symb->getBinding() == ELF::STB_WEAK;
- return object_error::success;
-}
+ if (symb->getBinding() == ELF::STB_WEAK)
+ Result |= SymbolRef::SF_Weak;
+
+ if (symb->st_shndx == ELF::SHN_ABS)
+ Result |= SymbolRef::SF_Absolute;
+
+ if (symb->getType() == ELF::STT_FILE ||
+ symb->getType() == ELF::STT_SECTION)
+ Result |= SymbolRef::SF_FormatSpecific;
+
+ if (getSymbolTableIndex(symb) == ELF::SHN_UNDEF)
+ Result |= SymbolRef::SF_Undefined;
+
+ if (symb->getType() == ELF::STT_COMMON ||
+ getSymbolTableIndex(symb) == ELF::SHN_COMMON)
+ Result |= SymbolRef::SF_Common;
+
+ if (symb->getType() == ELF::STT_TLS)
+ Result |= SymbolRef::SF_ThreadLocal;
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::isSymbolAbsolute(DataRefImpl Symb, bool &Res) const {
- validateSymbol(Symb);
- const Elf_Sym *symb = getSymbol(Symb);
- Res = symb->st_shndx == ELF::SHN_ABS;
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolSection(DataRefImpl Symb,
- section_iterator &Res) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolSection(DataRefImpl Symb,
+ section_iterator &Res) const {
validateSymbol(Symb);
const Elf_Sym *symb = getSymbol(Symb);
const Elf_Shdr *sec = getSection(symb);
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::isSymbolInternal(DataRefImpl Symb,
- bool &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolValue(DataRefImpl Symb,
+ uint64_t &Val) const {
validateSymbol(Symb);
- const Elf_Sym *symb = getSymbol(Symb);
-
- if ( symb->getType() == ELF::STT_FILE
- || symb->getType() == ELF::STT_SECTION)
- Result = true;
- Result = false;
+ const Elf_Sym *symb = getSymbol(Symb);
+ Val = symb->st_value;
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSectionNext(DataRefImpl Sec, SectionRef &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSectionNext(DataRefImpl Sec,
+ SectionRef &Result) const {
const uint8_t *sec = reinterpret_cast<const uint8_t *>(Sec.p);
sec += Header->e_shentsize;
Sec.p = reinterpret_cast<intptr_t>(sec);
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSectionName(DataRefImpl Sec,
- StringRef &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSectionName(DataRefImpl Sec,
+ StringRef &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
Result = StringRef(getString(dot_shstrtab_sec, sec->sh_name));
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSectionAddress(DataRefImpl Sec,
- uint64_t &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSectionAddress(DataRefImpl Sec,
+ uint64_t &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
Result = sec->sh_addr;
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSectionSize(DataRefImpl Sec,
- uint64_t &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSectionSize(DataRefImpl Sec,
+ uint64_t &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
Result = sec->sh_size;
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSectionContents(DataRefImpl Sec,
- StringRef &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSectionContents(DataRefImpl Sec,
+ StringRef &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
const char *start = (const char*)base() + sec->sh_offset;
Result = StringRef(start, sec->sh_size);
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSectionAlignment(DataRefImpl Sec,
- uint64_t &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSectionContents(const Elf_Shdr *Sec,
+ StringRef &Result) const {
+ const char *start = (const char*)base() + Sec->sh_offset;
+ Result = StringRef(start, Sec->sh_size);
+ return object_error::success;
+}
+
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSectionAlignment(DataRefImpl Sec,
+ uint64_t &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
Result = sec->sh_addralign;
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::isSectionText(DataRefImpl Sec,
- bool &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::isSectionText(DataRefImpl Sec,
+ bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
if (sec->sh_flags & ELF::SHF_EXECINSTR)
Result = true;
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::isSectionData(DataRefImpl Sec,
- bool &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::isSectionData(DataRefImpl Sec,
+ bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE)
&& sec->sh_type == ELF::SHT_PROGBITS)
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::isSectionBSS(DataRefImpl Sec,
- bool &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::isSectionBSS(DataRefImpl Sec,
+ bool &Result) const {
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
if (sec->sh_flags & (ELF::SHF_ALLOC | ELF::SHF_WRITE)
&& sec->sh_type == ELF::SHT_NOBITS)
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::sectionContainsSymbol(DataRefImpl Sec,
- DataRefImpl Symb,
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::isSectionRequiredForExecution(
+ DataRefImpl Sec, bool &Result) const {
+ const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
+ if (sec->sh_flags & ELF::SHF_ALLOC)
+ Result = true;
+ else
+ Result = false;
+ return object_error::success;
+}
+
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::isSectionVirtual(DataRefImpl Sec,
+ bool &Result) const {
+ const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
+ if (sec->sh_type == ELF::SHT_NOBITS)
+ Result = true;
+ else
+ Result = false;
+ return object_error::success;
+}
+
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::isSectionZeroInit(DataRefImpl Sec,
bool &Result) const {
- // FIXME: Unimplemented.
- Result = false;
+ const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
+ // For ELF, all zero-init sections are virtual (that is, they occupy no space
+ // in the object image) and vice versa.
+ Result = sec->sh_type == ELF::SHT_NOBITS;
+ return object_error::success;
+}
+
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::isSectionReadOnlyData(DataRefImpl Sec,
+ bool &Result) const {
+ const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
+ if (sec->sh_flags & ELF::SHF_WRITE || sec->sh_flags & ELF::SHF_EXECINSTR)
+ Result = false;
+ else
+ Result = true;
+ return object_error::success;
+}
+
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::sectionContainsSymbol(DataRefImpl Sec,
+ DataRefImpl Symb,
+ bool &Result) const {
+ 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;
}
-template<support::endianness target_endianness, bool is64Bits>
-relocation_iterator ELFObjectFile<target_endianness, is64Bits>
- ::getSectionRelBegin(DataRefImpl Sec) const {
+template<class ELFT>
+relocation_iterator
+ELFObjectFile<ELFT>::getSectionRelBegin(DataRefImpl Sec) const {
DataRefImpl RelData;
- memset(&RelData, 0, sizeof(RelData));
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
typename RelocMap_t::const_iterator ittr = SectionRelocMap.find(sec);
if (sec != 0 && ittr != SectionRelocMap.end()) {
return relocation_iterator(RelocationRef(RelData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-relocation_iterator ELFObjectFile<target_endianness, is64Bits>
- ::getSectionRelEnd(DataRefImpl Sec) const {
+template<class ELFT>
+relocation_iterator
+ELFObjectFile<ELFT>::getSectionRelEnd(DataRefImpl Sec) const {
DataRefImpl RelData;
- memset(&RelData, 0, sizeof(RelData));
const Elf_Shdr *sec = reinterpret_cast<const Elf_Shdr *>(Sec.p);
typename RelocMap_t::const_iterator ittr = SectionRelocMap.find(sec);
if (sec != 0 && ittr != SectionRelocMap.end()) {
}
// Relocations
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getRelocationNext(DataRefImpl Rel,
- RelocationRef &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getRelocationNext(DataRefImpl Rel,
+ RelocationRef &Result) const {
++Rel.w.c;
const Elf_Shdr *relocsec = getSection(Rel.w.b);
if (Rel.w.c >= (relocsec->sh_size / relocsec->sh_entsize)) {
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getRelocationSymbol(DataRefImpl Rel,
- SymbolRef &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getRelocationSymbol(DataRefImpl Rel,
+ SymbolRef &Result) const {
uint32_t symbolIdx;
const Elf_Shdr *sec = getSection(Rel.w.b);
switch (sec->sh_type) {
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;
}
}
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getRelocationAddress(DataRefImpl Rel,
- uint64_t &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getRelocationAddress(DataRefImpl Rel,
+ uint64_t &Result) const {
uint64_t offset;
const Elf_Shdr *sec = getSection(Rel.w.b);
switch (sec->sh_type) {
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getRelocationOffset(DataRefImpl Rel,
- uint64_t &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getRelocationOffset(DataRefImpl Rel,
+ uint64_t &Result) const {
uint64_t offset;
const Elf_Shdr *sec = getSection(Rel.w.b);
switch (sec->sh_type) {
return object_error::success;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getRelocationType(DataRefImpl Rel,
- uint64_t &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getRelocationType(DataRefImpl Rel,
+ uint64_t &Result) const {
const Elf_Shdr *sec = getSection(Rel.w.b);
switch (sec->sh_type) {
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<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getRelocationTypeName(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const {
- const Elf_Shdr *sec = getSection(Rel.w.b);
- uint8_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;
- }
- }
+template<class ELFT>
+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;
- default:
- res = "Unknown";
+ 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) {
+ 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_REL32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ABS5);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS8);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_CALL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC8);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BREL_ADJ);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_SWI8);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_XPC25);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_XPC22);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPMOD32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DTPOFF32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_TPOFF32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_COPY);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GLOB_DAT);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP_SLOT);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_RELATIVE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_PREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_CALL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_JUMP24);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP24);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_BASE_ABS);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_7_0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_15_8);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PCREL_23_15);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SBREL_11_0_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_19_12_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SBREL_27_20_CK);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_SBREL31);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_V4BX);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TARGET2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PREL31);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_ABS_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_ABS);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_PREL_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_PREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_ABS_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_ABS);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_PREL_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_PREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP19);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP6);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_ALU_PREL_11_0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_PC12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ABS32_NOI);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_REL32_NOI);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_PC_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_PC_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_PC_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_PC_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_ALU_SB_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDR_SB_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDRS_SB_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_LDC_SB_G2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVT_BREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_MOVW_BREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL_NC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVT_BREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_MOVW_BREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GOTDESC);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_CALL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_DESCSEQ);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_TLS_CALL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PLT32_ABS);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_ABS);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_PREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOT_BREL12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTOFF12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GOTRELAX);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTENTRY);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_GNU_VTINHERIT);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP11);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_THM_JUMP8);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_GD32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDM32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LDO12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_LE12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_TLS_IE12GP);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_3);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_4);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_5);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_6);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_7);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_8);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_9);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_10);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_11);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_12);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_13);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_14);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_ARM_PRIVATE_15);
+ 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: break;
+ }
+ break;
+ case ELF::EM_HEXAGON:
+ 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_B7_PCREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_0);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_1);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_2);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GPREL16_3);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_HL16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B32_PCREL_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_6_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B22_PCREL_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B15_PCREL_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B13_PCREL_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B9_PCREL_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_B7_PCREL_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_16_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_12_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_11_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_10_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_9_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_8_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_7_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_32_PCREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_COPY);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GLOB_DAT);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_JMP_SLOT);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_RELATIVE);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_PLT_B22_PCREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPMOD_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_PLT_B22_PCREL);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_LO16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_HI16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_32);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_TPREL_16);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_6_PCREL_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_32_6_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_16_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOTREL_11_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_32_6_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_16_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GOT_11_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_32_6_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_16_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_DTPREL_11_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_32_6_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_16_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_GD_GOT_11_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_32_6_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_16_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_32_6_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_16_X);
+ LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_HEX_IE_GOT_11_X);
+ 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: break;
+ }
+ break;
+ default: break;
}
- Result.append(res.begin(), res.end());
- return object_error::success;
+ return Res;
}
#undef LLVM_ELF_SWITCH_RELOC_TYPE_NAME
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getRelocationAdditionalInfo(DataRefImpl Rel,
- int64_t &Result) const {
+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 {
const Elf_Shdr *sec = getSection(Rel.w.b);
switch (sec->sh_type) {
default :
}
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getRelocationValueString(DataRefImpl Rel,
- SmallVectorImpl<char> &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getRelocationValueString(
+ DataRefImpl Rel, SmallVectorImpl<char> &Result) const {
const Elf_Shdr *sec = getSection(Rel.w.b);
uint8_t type;
StringRef res;
int64_t addend = 0;
uint16_t symbol_index = 0;
switch (sec->sh_type) {
- default :
+ default:
return object_error::parse_failed;
- case ELF::SHT_REL : {
- type = getRel(Rel)->getType();
- symbol_index = getRel(Rel)->getSymbol();
+ case ELF::SHT_REL: {
+ 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();
+ case ELF::SHT_RELA: {
+ type = getRela(Rel)->getType(isMips64EL());
+ symbol_index = getRela(Rel)->getSymbol(isMips64EL());
addend = getRela(Rel)->r_addend;
break;
}
switch (Header->e_machine) {
case ELF::EM_X86_64:
switch (type) {
- case ELF::R_X86_64_32S:
- res = symname;
- break;
+ case ELF::R_X86_64_PC8:
+ case ELF::R_X86_64_PC16:
case ELF::R_X86_64_PC32: {
std::string fmtbuf;
raw_string_ostream fmt(fmtbuf);
Result.append(fmtbuf.begin(), fmtbuf.end());
}
break;
+ case ELF::R_X86_64_8:
+ case ELF::R_X86_64_16:
+ case ELF::R_X86_64_32:
+ case ELF::R_X86_64_32S:
+ case ELF::R_X86_64_64: {
+ std::string fmtbuf;
+ raw_string_ostream fmt(fmtbuf);
+ fmt << symname << (addend < 0 ? "" : "+") << addend;
+ fmt.flush();
+ Result.append(fmtbuf.begin(), fmtbuf.end());
+ }
+ break;
default:
res = "Unknown";
}
break;
+ case ELF::EM_AARCH64:
+ case ELF::EM_ARM:
+ case ELF::EM_HEXAGON:
+ res = symname;
+ break;
default:
res = "Unknown";
}
}
// Verify that the last byte in the string table in a null.
-template<support::endianness target_endianness, bool is64Bits>
-void ELFObjectFile<target_endianness, is64Bits>
- ::VerifyStrTab(const Elf_Shdr *sh) const {
+template<class ELFT>
+void ELFObjectFile<ELFT>::VerifyStrTab(const Elf_Shdr *sh) const {
const char *strtab = (const char*)base() + sh->sh_offset;
if (strtab[sh->sh_size - 1] != 0)
// FIXME: Proper error handling.
report_fatal_error("String table must end with a null terminator!");
}
-template<support::endianness target_endianness, bool is64Bits>
-ELFObjectFile<target_endianness, is64Bits>::ELFObjectFile(MemoryBuffer *Object
- , error_code &ec)
- : ObjectFile(Binary::isELF, Object, ec)
+template<class ELFT>
+ELFObjectFile<ELFT>::ELFObjectFile(MemoryBuffer *Object, error_code &ec)
+ : ObjectFile(getELFType(
+ static_cast<endianness>(ELFT::TargetEndianness) == support::little,
+ ELFT::Is64Bits),
+ Object)
, isDyldELFObject(false)
, SectionHeaderTable(0)
, dot_shstrtab_sec(0)
, dot_strtab_sec(0)
- , dot_dynstr_sec(0) {
+ , dot_dynstr_sec(0)
+ , dot_dynamic_sec(0)
+ , dot_gnu_version_sec(0)
+ , dot_gnu_version_r_sec(0)
+ , dot_gnu_version_d_sec(0)
+ , dt_soname(0)
+ {
const uint64_t FileSize = Data->getBufferSize();
SymbolTableSections.push_back(NULL);
for (uint64_t i = 0, e = getNumSections(); i != e; ++i) {
- if (sh->sh_type == ELF::SHT_SYMTAB_SHNDX) {
+ switch (sh->sh_type) {
+ case ELF::SHT_SYMTAB_SHNDX: {
if (SymbolTableSectionHeaderIndex)
// FIXME: Proper error handling.
report_fatal_error("More than one .symtab_shndx!");
SymbolTableSectionHeaderIndex = sh;
+ break;
}
- if (sh->sh_type == ELF::SHT_SYMTAB) {
+ case ELF::SHT_SYMTAB: {
SymbolTableSectionsIndexMap[i] = SymbolTableSections.size();
SymbolTableSections.push_back(sh);
+ break;
}
- if (sh->sh_type == ELF::SHT_DYNSYM) {
+ case ELF::SHT_DYNSYM: {
if (SymbolTableSections[0] != NULL)
// FIXME: Proper error handling.
report_fatal_error("More than one .dynsym!");
SymbolTableSectionsIndexMap[i] = 0;
SymbolTableSections[0] = sh;
+ break;
}
- if (sh->sh_type == ELF::SHT_REL || sh->sh_type == ELF::SHT_RELA) {
+ case ELF::SHT_REL:
+ case ELF::SHT_RELA: {
SectionRelocMap[getSection(sh->sh_info)].push_back(i);
+ break;
+ }
+ case ELF::SHT_DYNAMIC: {
+ if (dot_dynamic_sec != NULL)
+ // FIXME: Proper error handling.
+ report_fatal_error("More than one .dynamic!");
+ dot_dynamic_sec = sh;
+ break;
+ }
+ case ELF::SHT_GNU_versym: {
+ if (dot_gnu_version_sec != NULL)
+ // FIXME: Proper error handling.
+ report_fatal_error("More than one .gnu.version section!");
+ dot_gnu_version_sec = sh;
+ break;
+ }
+ case ELF::SHT_GNU_verdef: {
+ if (dot_gnu_version_d_sec != NULL)
+ // FIXME: Proper error handling.
+ report_fatal_error("More than one .gnu.version_d section!");
+ dot_gnu_version_d_sec = sh;
+ break;
+ }
+ case ELF::SHT_GNU_verneed: {
+ if (dot_gnu_version_r_sec != NULL)
+ // FIXME: Proper error handling.
+ report_fatal_error("More than one .gnu.version_r section!");
+ dot_gnu_version_r_sec = sh;
+ break;
+ }
}
++sh;
}
}
}
-template<support::endianness target_endianness, bool is64Bits>
-symbol_iterator ELFObjectFile<target_endianness, is64Bits>
- ::begin_symbols() const {
+// Get the symbol table index in the symtab section given a symbol
+template<class ELFT>
+uint64_t ELFObjectFile<ELFT>::getSymbolIndex(const Elf_Sym *Sym) const {
+ assert(SymbolTableSections.size() == 1 && "Only one symbol table supported!");
+ const Elf_Shdr *SymTab = *SymbolTableSections.begin();
+ uintptr_t SymLoc = uintptr_t(Sym);
+ uintptr_t SymTabLoc = uintptr_t(base() + SymTab->sh_offset);
+ assert(SymLoc > SymTabLoc && "Symbol not in symbol table!");
+ uint64_t SymOffset = SymLoc - SymTabLoc;
+ assert(SymOffset % SymTab->sh_entsize == 0 &&
+ "Symbol not multiple of symbol size!");
+ return SymOffset / SymTab->sh_entsize;
+}
+
+template<class ELFT>
+symbol_iterator ELFObjectFile<ELFT>::begin_symbols() const {
DataRefImpl SymbolData;
- memset(&SymbolData, 0, sizeof(SymbolData));
if (SymbolTableSections.size() <= 1) {
SymbolData.d.a = std::numeric_limits<uint32_t>::max();
SymbolData.d.b = std::numeric_limits<uint32_t>::max();
return symbol_iterator(SymbolRef(SymbolData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-symbol_iterator ELFObjectFile<target_endianness, is64Bits>
- ::end_symbols() const {
+template<class ELFT>
+symbol_iterator ELFObjectFile<ELFT>::end_symbols() const {
DataRefImpl SymbolData;
- memset(&SymbolData, 0, sizeof(SymbolData));
SymbolData.d.a = std::numeric_limits<uint32_t>::max();
SymbolData.d.b = std::numeric_limits<uint32_t>::max();
return symbol_iterator(SymbolRef(SymbolData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-symbol_iterator ELFObjectFile<target_endianness, is64Bits>
- ::begin_dynamic_symbols() const {
+template<class ELFT>
+symbol_iterator ELFObjectFile<ELFT>::begin_dynamic_symbols() const {
DataRefImpl SymbolData;
- memset(&SymbolData, 0, sizeof(SymbolData));
if (SymbolTableSections[0] == NULL) {
SymbolData.d.a = std::numeric_limits<uint32_t>::max();
SymbolData.d.b = std::numeric_limits<uint32_t>::max();
return symbol_iterator(SymbolRef(SymbolData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-symbol_iterator ELFObjectFile<target_endianness, is64Bits>
- ::end_dynamic_symbols() const {
+template<class ELFT>
+symbol_iterator ELFObjectFile<ELFT>::end_dynamic_symbols() const {
DataRefImpl SymbolData;
- memset(&SymbolData, 0, sizeof(SymbolData));
SymbolData.d.a = std::numeric_limits<uint32_t>::max();
SymbolData.d.b = std::numeric_limits<uint32_t>::max();
return symbol_iterator(SymbolRef(SymbolData, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-section_iterator ELFObjectFile<target_endianness, is64Bits>
- ::begin_sections() const {
+template<class ELFT>
+section_iterator ELFObjectFile<ELFT>::begin_sections() const {
DataRefImpl ret;
- memset(&ret, 0, sizeof(DataRefImpl));
ret.p = reinterpret_cast<intptr_t>(base() + Header->e_shoff);
return section_iterator(SectionRef(ret, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-section_iterator ELFObjectFile<target_endianness, is64Bits>
- ::end_sections() const {
+template<class ELFT>
+section_iterator ELFObjectFile<ELFT>::end_sections() const {
DataRefImpl ret;
- memset(&ret, 0, sizeof(DataRefImpl));
ret.p = reinterpret_cast<intptr_t>(base()
+ Header->e_shoff
+ (Header->e_shentsize*getNumSections()));
return section_iterator(SectionRef(ret, this));
}
-template<support::endianness target_endianness, bool is64Bits>
-uint8_t ELFObjectFile<target_endianness, is64Bits>::getBytesInAddress() const {
- return is64Bits ? 8 : 4;
+template<class ELFT>
+typename ELFObjectFile<ELFT>::Elf_Dyn_iterator
+ELFObjectFile<ELFT>::begin_dynamic_table() const {
+ 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>::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);
+
+ if (NULLEnd) {
+ Elf_Dyn_iterator Start = begin_dynamic_table();
+ while (Start != Ret && Start->getTag() != ELF::DT_NULL)
+ ++Start;
+
+ // Include the DT_NULL.
+ if (Start != Ret)
+ ++Start;
+ Ret = Start;
+ }
+ return Ret;
+ }
+ return Elf_Dyn_iterator(0, 0);
+}
+
+template<class ELFT>
+StringRef ELFObjectFile<ELFT>::getLoadName() const {
+ if (!dt_soname) {
+ // Find the DT_SONAME entry
+ 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");
+ dt_soname = getString(dot_dynstr_sec, it->getVal());
+ } else {
+ dt_soname = "";
+ }
+ }
+ return dt_soname;
+}
+
+template<class ELFT>
+library_iterator ELFObjectFile<ELFT>::begin_libraries_needed() const {
+ // Find the first DT_NEEDED entry
+ 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<support::endianness target_endianness, bool is64Bits>
-StringRef ELFObjectFile<target_endianness, is64Bits>
- ::getFileFormatName() const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getLibraryNext(DataRefImpl Data,
+ LibraryRef &Result) const {
+ // Use the same DataRefImpl format as DynRef.
+ 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 {
+ 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");
+
+ if (i->getTag() != ELF::DT_NEEDED)
+ report_fatal_error("Invalid library_iterator");
+
+ // This uses .dynstr to lookup the name of the DT_NEEDED entry.
+ // THis works as long as DT_STRTAB == .dynstr. This is true most of
+ // the time, but the specification allows exceptions.
+ // TODO: This should really use DT_STRTAB instead. Doing this requires
+ // reading the program headers.
+ if (dot_dynstr_sec == NULL)
+ report_fatal_error("Dynamic string table is missing");
+ Res = getString(dot_dynstr_sec, i->getVal());
+ return object_error::success;
+}
+
+template<class ELFT>
+library_iterator ELFObjectFile<ELFT>::end_libraries_needed() const {
+ 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>
+uint8_t ELFObjectFile<ELFT>::getBytesInAddress() const {
+ return ELFT::Is64Bits ? 8 : 4;
+}
+
+template<class ELFT>
+StringRef ELFObjectFile<ELFT>::getFileFormatName() const {
switch(Header->e_ident[ELF::EI_CLASS]) {
case ELF::ELFCLASS32:
switch(Header->e_machine) {
return "ELF32-x86-64";
case ELF::EM_ARM:
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 "ELF64-unknown";
}
}
}
-template<support::endianness target_endianness, bool is64Bits>
-unsigned ELFObjectFile<target_endianness, is64Bits>::getArch() const {
+template<class ELFT>
+unsigned ELFObjectFile<ELFT>::getArch() const {
switch(Header->e_machine) {
case ELF::EM_386:
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 Triple::hexagon;
+ case ELF::EM_MIPS:
+ return (ELFT::TargetEndianness == support::little) ?
+ Triple::mipsel : Triple::mips;
+ case ELF::EM_PPC64:
+ return Triple::ppc64;
default:
return Triple::UnknownArch;
}
}
-template<support::endianness target_endianness, bool is64Bits>
-uint64_t ELFObjectFile<target_endianness, is64Bits>::getNumSections() const {
+template<class ELFT>
+uint64_t ELFObjectFile<ELFT>::getNumSections() const {
assert(Header && "Header not initialized!");
if (Header->e_shnum == ELF::SHN_UNDEF) {
assert(SectionHeaderTable && "SectionHeaderTable not initialized!");
return Header->e_shnum;
}
-template<support::endianness target_endianness, bool is64Bits>
+template<class ELFT>
uint64_t
-ELFObjectFile<target_endianness, is64Bits>::getStringTableIndex() const {
+ELFObjectFile<ELFT>::getStringTableIndex() const {
if (Header->e_shnum == ELF::SHN_UNDEF) {
if (Header->e_shstrndx == ELF::SHN_HIRESERVE)
return SectionHeaderTable->sh_link;
return Header->e_shstrndx;
}
-
-template<support::endianness target_endianness, bool is64Bits>
+template<class ELFT>
template<typename T>
inline const T *
-ELFObjectFile<target_endianness, is64Bits>::getEntry(uint16_t Section,
- uint32_t Entry) const {
+ELFObjectFile<ELFT>::getEntry(uint16_t Section, uint32_t Entry) const {
return getEntry<T>(getSection(Section), Entry);
}
-template<support::endianness target_endianness, bool is64Bits>
+template<class ELFT>
template<typename T>
inline const T *
-ELFObjectFile<target_endianness, is64Bits>::getEntry(const Elf_Shdr * Section,
- uint32_t Entry) const {
+ELFObjectFile<ELFT>::getEntry(const Elf_Shdr * Section, uint32_t Entry) const {
return reinterpret_cast<const T *>(
base()
+ Section->sh_offset
+ (Entry * Section->sh_entsize));
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Sym *
-ELFObjectFile<target_endianness, is64Bits>::getSymbol(DataRefImpl Symb) const {
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Sym *
+ELFObjectFile<ELFT>::getSymbol(DataRefImpl Symb) const {
return getEntry<Elf_Sym>(SymbolTableSections[Symb.d.b], Symb.d.a);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Rel *
-ELFObjectFile<target_endianness, is64Bits>::getRel(DataRefImpl Rel) const {
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Rel *
+ELFObjectFile<ELFT>::getRel(DataRefImpl Rel) const {
return getEntry<Elf_Rel>(Rel.w.b, Rel.w.c);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Rela *
-ELFObjectFile<target_endianness, is64Bits>::getRela(DataRefImpl Rela) const {
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Rela *
+ELFObjectFile<ELFT>::getRela(DataRefImpl Rela) const {
return getEntry<Elf_Rela>(Rela.w.b, Rela.w.c);
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr *
-ELFObjectFile<target_endianness, is64Bits>::getSection(DataRefImpl Symb) const {
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Shdr *
+ELFObjectFile<ELFT>::getSection(DataRefImpl Symb) const {
const Elf_Shdr *sec = getSection(Symb.d.b);
if (sec->sh_type != ELF::SHT_SYMTAB || sec->sh_type != ELF::SHT_DYNSYM)
// FIXME: Proper error handling.
return sec;
}
-template<support::endianness target_endianness, bool is64Bits>
-const typename ELFObjectFile<target_endianness, is64Bits>::Elf_Shdr *
-ELFObjectFile<target_endianness, is64Bits>::getSection(uint32_t index) const {
+template<class ELFT>
+const typename ELFObjectFile<ELFT>::Elf_Shdr *
+ELFObjectFile<ELFT>::getSection(uint32_t index) const {
if (index == 0)
return 0;
if (!SectionHeaderTable || index >= getNumSections())
+ (index * Header->e_shentsize));
}
-template<support::endianness target_endianness, bool is64Bits>
-const char *ELFObjectFile<target_endianness, is64Bits>
- ::getString(uint32_t section,
- ELF::Elf32_Word offset) const {
+template<class ELFT>
+const char *ELFObjectFile<ELFT>::getString(uint32_t section,
+ ELF::Elf32_Word offset) const {
return getString(getSection(section), offset);
}
-template<support::endianness target_endianness, bool is64Bits>
-const char *ELFObjectFile<target_endianness, is64Bits>
- ::getString(const Elf_Shdr *section,
- ELF::Elf32_Word offset) const {
+template<class ELFT>
+const char *ELFObjectFile<ELFT>::getString(const Elf_Shdr *section,
+ ELF::Elf32_Word offset) const {
assert(section && section->sh_type == ELF::SHT_STRTAB && "Invalid section!");
if (offset >= section->sh_size)
// FIXME: Proper error handling.
return (const char *)base() + section->sh_offset + offset;
}
-template<support::endianness target_endianness, bool is64Bits>
-error_code ELFObjectFile<target_endianness, is64Bits>
- ::getSymbolName(const Elf_Shdr *section,
- const Elf_Sym *symb,
- StringRef &Result) const {
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolName(const Elf_Shdr *section,
+ const Elf_Sym *symb,
+ StringRef &Result) const {
if (symb->st_name == 0) {
const Elf_Shdr *section = getSection(symb);
if (!section)
return object_error::success;
}
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSectionName(const Elf_Shdr *section,
+ StringRef &Result) const {
+ Result = StringRef(getString(dot_shstrtab_sec, section->sh_name));
+ return object_error::success;
+}
+
+template<class ELFT>
+error_code ELFObjectFile<ELFT>::getSymbolVersion(const Elf_Shdr *section,
+ const Elf_Sym *symb,
+ StringRef &Version,
+ bool &IsDefault) const {
+ // Handle non-dynamic symbols.
+ if (section != SymbolTableSections[0]) {
+ // Non-dynamic symbols can have versions in their names
+ // A name of the form 'foo@V1' indicates version 'V1', non-default.
+ // A name of the form 'foo@@V2' indicates version 'V2', default version.
+ StringRef Name;
+ error_code ec = getSymbolName(section, symb, Name);
+ if (ec != object_error::success)
+ return ec;
+ size_t atpos = Name.find('@');
+ if (atpos == StringRef::npos) {
+ Version = "";
+ IsDefault = false;
+ return object_error::success;
+ }
+ ++atpos;
+ if (atpos < Name.size() && Name[atpos] == '@') {
+ IsDefault = true;
+ ++atpos;
+ } else {
+ IsDefault = false;
+ }
+ Version = Name.substr(atpos);
+ return object_error::success;
+ }
+
+ // This is a dynamic symbol. Look in the GNU symbol version table.
+ if (dot_gnu_version_sec == NULL) {
+ // No version table.
+ Version = "";
+ IsDefault = false;
+ return object_error::success;
+ }
+
+ // Determine the position in the symbol table of this entry.
+ const char *sec_start = (const char*)base() + section->sh_offset;
+ size_t entry_index = ((const char*)symb - sec_start)/section->sh_entsize;
+
+ // Get the corresponding version index entry
+ const Elf_Versym *vs = getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index);
+ size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
+
+ // Special markers for unversioned symbols.
+ if (version_index == ELF::VER_NDX_LOCAL ||
+ version_index == ELF::VER_NDX_GLOBAL) {
+ Version = "";
+ IsDefault = false;
+ return object_error::success;
+ }
+
+ // Lookup this symbol in the version table
+ LoadVersionMap();
+ if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
+ report_fatal_error("Symbol has version index without corresponding "
+ "define or reference entry");
+ const VersionMapEntry &entry = VersionMap[version_index];
+
+ // Get the version name string
+ size_t name_offset;
+ if (entry.isVerdef()) {
+ // The first Verdaux entry holds the name.
+ name_offset = entry.getVerdef()->getAux()->vda_name;
+ } else {
+ name_offset = entry.getVernaux()->vna_name;
+ }
+ Version = getString(dot_dynstr_sec, name_offset);
+
+ // Set IsDefault
+ if (entry.isVerdef()) {
+ IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
+ } else {
+ IsDefault = false;
+ }
+
+ return object_error::success;
+}
+
+/// This is a generic interface for retrieving GNU symbol version
+/// information from an ELFObjectFile.
+static inline error_code GetELFSymbolVersion(const ObjectFile *Obj,
+ const SymbolRef &Sym,
+ StringRef &Version,
+ bool &IsDefault) {
+ // Little-endian 32-bit
+ if (const ELFObjectFile<ELFType<support::little, 4, false> > *ELFObj =
+ dyn_cast<ELFObjectFile<ELFType<support::little, 4, false> > >(Obj))
+ return ELFObj->getSymbolVersion(Sym, Version, IsDefault);
+
+ // Big-endian 32-bit
+ if (const ELFObjectFile<ELFType<support::big, 4, false> > *ELFObj =
+ dyn_cast<ELFObjectFile<ELFType<support::big, 4, false> > >(Obj))
+ return ELFObj->getSymbolVersion(Sym, Version, IsDefault);
+
+ // Little-endian 64-bit
+ if (const ELFObjectFile<ELFType<support::little, 8, true> > *ELFObj =
+ dyn_cast<ELFObjectFile<ELFType<support::little, 8, true> > >(Obj))
+ return ELFObj->getSymbolVersion(Sym, Version, IsDefault);
+
+ // Big-endian 64-bit
+ if (const ELFObjectFile<ELFType<support::big, 8, true> > *ELFObj =
+ dyn_cast<ELFObjectFile<ELFType<support::big, 8, true> > >(Obj))
+ return ELFObj->getSymbolVersion(Sym, Version, IsDefault);
+
+ 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