// Machine architectures
enum {
- EM_NONE = 0, // No machine
- EM_M32 = 1, // AT&T WE 32100
- EM_SPARC = 2, // SPARC
- EM_386 = 3, // Intel 386
- EM_68K = 4, // Motorola 68000
- EM_88K = 5, // Motorola 88000
- EM_486 = 6, // Intel 486 (deprecated)
- EM_860 = 7, // Intel 80860
- EM_MIPS = 8, // MIPS R3000
- EM_PPC = 20, // PowerPC
- EM_PPC64 = 21, // PowerPC64
- EM_ARM = 40, // ARM
- EM_ALPHA = 41, // DEC Alpha
- EM_SPARCV9 = 43, // SPARC V9
- EM_X86_64 = 62 // AMD64
+ EM_NONE = 0, // No machine
+ EM_M32 = 1, // AT&T WE 32100
+ EM_SPARC = 2, // SPARC
+ EM_386 = 3, // Intel 386
+ EM_68K = 4, // Motorola 68000
+ EM_88K = 5, // Motorola 88000
+ EM_486 = 6, // Intel 486 (deprecated)
+ EM_860 = 7, // Intel 80860
+ EM_MIPS = 8, // MIPS R3000
+ EM_PPC = 20, // PowerPC
+ EM_PPC64 = 21, // PowerPC64
+ EM_ARM = 40, // ARM
+ EM_ALPHA = 41, // DEC Alpha
+ EM_SPARCV9 = 43, // SPARC V9
+ EM_X86_64 = 62, // AMD64
+ EM_MBLAZE = 47787 // Xilinx MicroBlaze
};
// Object file classes.
R_X86_64_TLSDESC = 36
};
+// i386 relocations.
+// TODO: this is just a subset
+enum {
+ R_386_NONE = 0,
+ R_386_32 = 1,
+ R_386_PC32 = 2,
+ R_386_GOT32 = 3,
+ R_386_PLT32 = 4,
+ R_386_COPY = 5,
+ R_386_GLOB_DAT = 6,
+ R_386_JUMP_SLOT = 7,
+ R_386_RELATIVE = 8,
+ R_386_GOTOFF = 9,
+ R_386_GOTPC = 10,
+ R_386_32PLT = 11,
+ R_386_TLS_TPOFF = 14,
+ R_386_TLS_IE = 15,
+ R_386_TLS_GOTIE = 16,
+ R_386_TLS_LE = 17,
+ R_386_TLS_GD = 18,
+ R_386_TLS_LDM = 19,
+ R_386_16 = 20,
+ R_386_PC16 = 21,
+ R_386_8 = 22,
+ R_386_PC8 = 23,
+ R_386_TLS_GD_32 = 24,
+ R_386_TLS_GD_PUSH = 25,
+ R_386_TLS_GD_CALL = 26,
+ R_386_TLS_GD_POP = 27,
+ R_386_TLS_LDM_32 = 28,
+ R_386_TLS_LDM_PUSH = 29,
+ R_386_TLS_LDM_CALL = 30,
+ R_386_TLS_LDM_POP = 31,
+ R_386_TLS_LDO_32 = 32,
+ R_386_TLS_IE_32 = 33,
+ R_386_TLS_LE_32 = 34,
+ R_386_TLS_DTPMOD32 = 35,
+ R_386_TLS_DTPOFF32 = 36,
+ R_386_TLS_TPOFF32 = 37,
+ R_386_TLS_GOTDESC = 39,
+ R_386_TLS_DESC_CALL = 40,
+ R_386_TLS_DESC = 41,
+ R_386_IRELATIVE = 42,
+ R_386_NUM = 43
+};
+
// Section header.
struct Elf32_Shdr {
Elf32_Word sh_name; // Section name (index into string table)
SHN_HIPROC = 0xff1f, // Highest processor-specific index
SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation
SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables
+ SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE
SHN_HIRESERVE = 0xffff // Highest reserved index
};
// Section types.
enum {
- SHT_NULL = 0, // No associated section (inactive entry).
- SHT_PROGBITS = 1, // Program-defined contents.
- SHT_SYMTAB = 2, // Symbol table.
- SHT_STRTAB = 3, // String table.
- SHT_RELA = 4, // Relocation entries; explicit addends.
- SHT_HASH = 5, // Symbol hash table.
- SHT_DYNAMIC = 6, // Information for dynamic linking.
- SHT_NOTE = 7, // Information about the file.
- SHT_NOBITS = 8, // Data occupies no space in the file.
- SHT_REL = 9, // Relocation entries; no explicit addends.
- SHT_SHLIB = 10, // Reserved.
- SHT_DYNSYM = 11, // Symbol table.
- SHT_LOPROC = 0x70000000, // Lowest processor architecture-specific type.
- SHT_HIPROC = 0x7fffffff, // Highest processor architecture-specific type.
- SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
- SHT_HIUSER = 0xffffffff // Highest type reserved for applications.
+ SHT_NULL = 0, // No associated section (inactive entry).
+ SHT_PROGBITS = 1, // Program-defined contents.
+ SHT_SYMTAB = 2, // Symbol table.
+ SHT_STRTAB = 3, // String table.
+ SHT_RELA = 4, // Relocation entries; explicit addends.
+ SHT_HASH = 5, // Symbol hash table.
+ SHT_DYNAMIC = 6, // Information for dynamic linking.
+ SHT_NOTE = 7, // Information about the file.
+ SHT_NOBITS = 8, // Data occupies no space in the file.
+ SHT_REL = 9, // Relocation entries; no explicit addends.
+ SHT_SHLIB = 10, // Reserved.
+ SHT_DYNSYM = 11, // Symbol table.
+ SHT_INIT_ARRAY = 14, // Pointers to initialisation functions.
+ SHT_FINI_ARRAY = 15, // Pointers to termination functions.
+ SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions.
+ SHT_GROUP = 17, // Section group.
+ SHT_SYMTAB_SHNDX = 18, // Indicies for SHN_XINDEX entries.
+ SHT_LOOS = 0x60000000, // Lowest operating system-specific type.
+ SHT_HIOS = 0x6fffffff, // Highest operating system-specific type.
+ SHT_LOPROC = 0x70000000, // Lowest processor architecture-specific type.
+ // Fixme: All this is duplicated in MCSectionELF. Why??
+ // Exception Index table
+ SHT_ARM_EXIDX = 0x70000001U,
+ // BPABI DLL dynamic linking pre-emption map
+ SHT_ARM_PREEMPTMAP = 0x70000002U,
+ // Object file compatibility attributes
+ SHT_ARM_ATTRIBUTES = 0x70000003U,
+ SHT_ARM_DEBUGOVERLAY = 0x70000004U,
+ SHT_ARM_OVERLAYSECTION = 0x70000005U,
+
+ SHT_HIPROC = 0x7fffffff, // Highest processor architecture-specific type.
+ SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
+ SHT_HIUSER = 0xffffffff // Highest type reserved for applications.
};
// Section flags.
}
};
+// The size (in bytes) of symbol table entries.
+enum {
+ SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size
+ SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size.
+};
+
// Symbol bindings.
enum {
STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def
STT_FUNC = 2, // Symbol is executable code (function, etc.)
STT_SECTION = 3, // Symbol refers to a section
STT_FILE = 4, // Local, absolute symbol that refers to a file
+ STT_COMMON = 5, // An uninitialised common block
+ STT_TLS = 6, // Thread local data object
STT_LOPROC = 13, // Lowest processor-specific symbol type
STT_HIPROC = 15 // Highest processor-specific symbol type
};
+enum {
+ STV_DEFAULT = 0, // Visibility is specified by binding type
+ STV_INTERNAL = 1, // Defined by processor supplements
+ STV_HIDDEN = 2, // Not visible to other components
+ STV_PROTECTED = 3 // Visible in other components but not preemptable
+};
+
// Relocation entry, without explicit addend.
struct Elf32_Rel {
Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
void setSymbolAndType(Elf32_Word s, unsigned char t) {
r_info = (s << 8) + t;
- };
+ }
};
// Relocation entry with explicit addend.
void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
void setSymbolAndType(Elf32_Word s, unsigned char t) {
r_info = (s << 8) + t;
- };
+ }
};
// Relocation entry, without explicit addend.
void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
void setSymbolAndType(Elf64_Xword s, unsigned char t) {
r_info = (s << 32) + (t&0xffffffffL);
- };
+ }
};
// Relocation entry with explicit addend.
void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
void setSymbolAndType(Elf64_Xword s, unsigned char t) {
r_info = (s << 32) + (t&0xffffffffL);
- };
+ }
};
// Program header for ELF32.
projects / oota-llvm.git / blobdiff