namespace ELF {
typedef uint32_t Elf32_Addr; // Program address
-typedef uint16_t Elf32_Half;
typedef uint32_t Elf32_Off; // File offset
-typedef int32_t Elf32_Sword;
+typedef uint16_t Elf32_Half;
typedef uint32_t Elf32_Word;
+typedef int32_t Elf32_Sword;
typedef uint64_t Elf64_Addr;
typedef uint64_t Elf64_Off;
-typedef int32_t Elf64_Shalf;
-typedef int32_t Elf64_Sword;
+typedef uint16_t Elf64_Half;
typedef uint32_t Elf64_Word;
-typedef int64_t Elf64_Sxword;
+typedef int32_t Elf64_Sword;
typedef uint64_t Elf64_Xword;
-typedef uint32_t Elf64_Half;
-typedef uint16_t Elf64_Quarter;
+typedef int64_t Elf64_Sxword;
// Object file magic string.
static const char ElfMagic[] = { 0x7f, 'E', 'L', 'F', '\0' };
// types (see above).
struct Elf64_Ehdr {
unsigned char e_ident[EI_NIDENT];
- Elf64_Quarter e_type;
- Elf64_Quarter e_machine;
- Elf64_Half e_version;
+ Elf64_Half e_type;
+ Elf64_Half e_machine;
+ Elf64_Word e_version;
Elf64_Addr e_entry;
Elf64_Off e_phoff;
Elf64_Off e_shoff;
- Elf64_Half e_flags;
- Elf64_Quarter e_ehsize;
- Elf64_Quarter e_phentsize;
- Elf64_Quarter e_phnum;
- Elf64_Quarter e_shentsize;
- Elf64_Quarter e_shnum;
- Elf64_Quarter e_shstrndx;
+ Elf64_Word e_flags;
+ Elf64_Half e_ehsize;
+ Elf64_Half e_phentsize;
+ Elf64_Half e_phnum;
+ Elf64_Half e_shentsize;
+ Elf64_Half e_shnum;
+ Elf64_Half e_shstrndx;
bool checkMagic() const {
return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
}
EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor
EM_R32C = 162, // Renesas R32C series microprocessors
EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family
- EM_QDSP6 = 164, // QUALCOMM DSP6 Processor
+ EM_HEXAGON = 164, // Qualcomm Hexagon processor
EM_8051 = 165, // Intel 8051 and variants
EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable
// and extensible RISC processors
R_ARM_THM_TLS_DESCSEQ32 = 0x82
};
+// Mips Specific e_flags
+enum {
+ EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions
+ EF_MIPS_PIC = 0x00000002, // Position independent code
+ EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code
+ EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set
+ EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set
+ EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set
+ EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set
+ EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set
+ EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h
+ EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h
+ EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2
+ EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2
+ EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant
+};
+// ELF Relocation types for Mips
+// .
+enum {
+ R_MIPS_NONE = 0,
+ R_MIPS_16 = 1,
+ R_MIPS_32 = 2,
+ R_MIPS_REL32 = 3,
+ R_MIPS_26 = 4,
+ R_MIPS_HI16 = 5,
+ R_MIPS_LO16 = 6,
+ R_MIPS_GPREL16 = 7,
+ R_MIPS_LITERAL = 8,
+ R_MIPS_GOT16 = 9,
+ R_MIPS_GOT = 9,
+ R_MIPS_PC16 = 10,
+ R_MIPS_CALL16 = 11,
+ R_MIPS_GPREL32 = 12,
+ R_MIPS_SHIFT5 = 16,
+ R_MIPS_SHIFT6 = 17,
+ R_MIPS_64 = 18,
+ R_MIPS_GOT_DISP = 19,
+ R_MIPS_GOT_PAGE = 20,
+ R_MIPS_GOT_OFST = 21,
+ R_MIPS_GOT_HI16 = 22,
+ R_MIPS_GOT_LO16 = 23,
+ R_MIPS_SUB = 24,
+ R_MIPS_INSERT_A = 25,
+ R_MIPS_INSERT_B = 26,
+ R_MIPS_DELETE = 27,
+ R_MIPS_HIGHER = 28,
+ R_MIPS_HIGHEST = 29,
+ R_MIPS_CALL_HI16 = 30,
+ R_MIPS_CALL_LO16 = 31,
+ R_MIPS_SCN_DISP = 32,
+ R_MIPS_REL16 = 33,
+ R_MIPS_ADD_IMMEDIATE = 34,
+ R_MIPS_PJUMP = 35,
+ R_MIPS_RELGOT = 36,
+ R_MIPS_JALR = 37,
+ R_MIPS_TLS_DTPMOD32 = 38,
+ R_MIPS_TLS_DTPREL32 = 39,
+ R_MIPS_TLS_DTPMOD64 = 40,
+ R_MIPS_TLS_DTPREL64 = 41,
+ R_MIPS_TLS_GD = 42,
+ R_MIPS_TLS_LDM = 43,
+ R_MIPS_TLS_DTPREL_HI16 = 44,
+ R_MIPS_TLS_DTPREL_LO16 = 45,
+ R_MIPS_TLS_GOTTPREL = 46,
+ R_MIPS_TLS_TPREL32 = 47,
+ R_MIPS_TLS_TPREL64 = 48,
+ R_MIPS_TLS_TPREL_HI16 = 49,
+ R_MIPS_TLS_TPREL_LO16 = 50,
+ R_MIPS_GLOB_DAT = 51,
+ R_MIPS_COPY = 126,
+ R_MIPS_JUMP_SLOT = 127,
+ R_MIPS_NUM = 218
+};
// Section header.
struct Elf32_Shdr {
// Section header for ELF64 - same fields as ELF32, different types.
struct Elf64_Shdr {
- Elf64_Half sh_name;
- Elf64_Half sh_type;
+ Elf64_Word sh_name;
+ Elf64_Word sh_type;
Elf64_Xword sh_flags;
Elf64_Addr sh_addr;
Elf64_Off sh_offset;
Elf64_Xword sh_size;
- Elf64_Half sh_link;
- Elf64_Half sh_info;
+ Elf64_Word sh_link;
+ Elf64_Word sh_info;
Elf64_Xword sh_addralign;
Elf64_Xword sh_entsize;
};
SHT_GROUP = 17, // Section group.
SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries.
SHT_LOOS = 0x60000000, // Lowest operating system-specific type.
+ SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions.
+ SHT_GNU_verneed = 0x6ffffffe, // GNU version references.
+ SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table.
SHT_HIOS = 0x6fffffff, // Highest operating system-specific type.
SHT_LOPROC = 0x70000000, // Lowest processor architecture-specific type.
// Fixme: All this is duplicated in MCSectionELF. Why??
STT_TLS = 6, // Thread local data object
STT_LOOS = 7, // Lowest operating system-specific symbol type
STT_HIOS = 8, // Highest operating system-specific symbol type
+ STT_GNU_IFUNC = 10, // GNU indirect function
STT_LOPROC = 13, // Lowest processor-specific symbol type
STT_HIPROC = 15 // Highest processor-specific symbol type
};
DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically.
};
+// ElfXX_VerDef structure version (GNU versioning)
+enum {
+ VER_DEF_NONE = 0,
+ VER_DEF_CURRENT = 1
+};
+
+// VerDef Flags (ElfXX_VerDef::vd_flags)
+enum {
+ VER_FLG_BASE = 0x1,
+ VER_FLG_WEAK = 0x2,
+ VER_FLG_INFO = 0x4
+};
+
+// Special constants for the version table. (SHT_GNU_versym/.gnu.version)
+enum {
+ VER_NDX_LOCAL = 0, // Unversioned local symbol
+ VER_NDX_GLOBAL = 1, // Unversioned global symbol
+ VERSYM_VERSION = 0x7fff, // Version Index mask
+ VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version)
+};
+
+// ElfXX_VerNeed structure version (GNU versioning)
+enum {
+ VER_NEED_NONE = 0,
+ VER_NEED_CURRENT = 1
+};
+
} // end namespace ELF
} // end namespace llvm
projects / oota-llvm.git / blobdiff