nasm/output/elf64.h
H. Peter Anvin 1acf6ba822 Handle the new ELF headers in the dependency generation
The dependency machinery relies on properly rooted includes, so give
it to them... the path syntax munging machinery in the dependency
script handles it from a Makefile syntax perspective, and then we can
hope that C compilers are smart enough to deal with forward-slash
paths even when that is not the native syntax.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-06-25 13:06:49 -07:00

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#ifndef OUTPUT_ELF64_H
#define OUTPUT_ELF64_H
#include "output/elfcommon.h"
/* ELF standard typedefs (yet more proof that <stdint.h> was way overdue) */
typedef uint16_t Elf64_Half;
typedef int16_t Elf64_SHalf;
typedef uint32_t Elf64_Word;
typedef int32_t Elf64_Sword;
typedef uint64_t Elf64_Xword;
typedef int64_t Elf64_Sxword;
typedef uint64_t Elf64_Off;
typedef uint64_t Elf64_Addr;
typedef uint16_t Elf64_Section;
/* Dynamic header */
typedef struct elf64_dyn {
Elf64_Sxword d_tag;
union {
Elf64_Xword d_val;
Elf64_Addr d_ptr;
} d_un;
} Elf64_Dyn;
/* Relocations */
#define ELF64_R_SYM(x) ((x) >> 32)
#define ELF64_R_TYPE(x) ((x) & 0xffffffff)
typedef struct elf64_rel {
Elf64_Addr r_offset;
Elf64_Xword r_info;
} Elf64_Rel;
typedef struct elf64_rela {
Elf64_Addr r_offset;
Elf64_Xword r_info;
Elf64_Sxword r_addend;
} Elf64_Rela;
enum reloc64_type {
R_X86_64_NONE = 0, /* No reloc */
R_X86_64_64 = 1, /* Direct 64 bit */
R_X86_64_PC32 = 2, /* PC relative 32 bit signed */
R_X86_64_GOT32 = 3, /* 32 bit GOT entry */
R_X86_64_PLT32 = 4, /* 32 bit PLT address */
R_X86_64_COPY = 5, /* Copy symbol at runtime */
R_X86_64_GLOB_DAT = 6, /* Create GOT entry */
R_X86_64_JUMP_SLOT = 7, /* Create PLT entry */
R_X86_64_RELATIVE = 8, /* Adjust by program base */
R_X86_64_GOTPCREL = 9, /* 32 bit signed PC relative offset to GOT */
R_X86_64_32 = 10, /* Direct 32 bit zero extended */
R_X86_64_32S = 11, /* Direct 32 bit sign extended */
R_X86_64_16 = 12, /* Direct 16 bit zero extended */
R_X86_64_PC16 = 13, /* 16 bit sign extended pc relative */
R_X86_64_8 = 14, /* Direct 8 bit sign extended */
R_X86_64_PC8 = 15, /* 8 bit sign extended pc relative */
R_X86_64_DTPMOD64 = 16, /* ID of module containing symbol */
R_X86_64_DTPOFF64 = 17, /* Offset in module's TLS block */
R_X86_64_TPOFF64 = 18, /* Offset in initial TLS block */
R_X86_64_TLSGD = 19, /* 32 bit signed PC relative offset
to two GOT entries for GD symbol */
R_X86_64_TLSLD = 20, /* 32 bit signed PC relative offset
to two GOT entries for LD symbol */
R_X86_64_DTPOFF32 = 21, /* Offset in TLS block */
R_X86_64_GOTTPOFF = 22, /* 32 bit signed PC relative offset
to GOT entry for IE symbol */
R_X86_64_TPOFF32 = 23, /* Offset in initial TLS block */
R_X86_64_PC64 = 24, /* word64 S + A - P */
R_X86_64_GOTOFF64 = 25, /* word64 S + A - GOT */
R_X86_64_GOTPC32 = 26, /* word32 GOT + A - P */
R_X86_64_GOT64 = 27, /* word64 G + A */
R_X86_64_GOTPCREL64 = 28, /* word64 G + GOT - P + A */
R_X86_64_GOTPC64 = 29, /* word64 GOT - P + A */
R_X86_64_GOTPLT64 = 30, /* word64 G + A */
R_X86_64_PLTOFF64 = 31, /* word64 L - GOT + A */
R_X86_64_SIZE32 = 32, /* word32 Z + A */
R_X86_64_SIZE64 = 33, /* word64 Z + A */
R_X86_64_GOTPC32_TLSDESC = 34, /* word32 */
R_X86_64_TLSDESC_CALL = 35, /* none */
R_X86_64_TLSDESC = 36 /* word64×2 */
};
/* Symbol */
typedef struct elf64_sym {
Elf64_Word st_name;
unsigned char st_info;
unsigned char st_other;
Elf64_Half st_shndx;
Elf64_Addr st_value;
Elf64_Xword st_size;
} Elf64_Sym;
/* Main file header */
typedef struct elf64_hdr {
unsigned char e_ident[EI_NIDENT];
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_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;
} Elf64_Ehdr;
/* Program header */
typedef struct elf64_phdr {
Elf64_Word p_type;
Elf64_Word p_flags;
Elf64_Off p_offset;
Elf64_Addr p_vaddr;
Elf64_Addr p_paddr;
Elf64_Xword p_filesz;
Elf64_Xword p_memsz;
Elf64_Xword p_align;
} Elf64_Phdr;
/* Section header */
typedef struct elf64_shdr {
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_Word sh_link;
Elf64_Word sh_info;
Elf64_Xword sh_addralign;
Elf64_Xword sh_entsize;
} Elf64_Shdr;
/* Note header */
typedef struct elf64_note {
Elf64_Word n_namesz; /* Name size */
Elf64_Word n_descsz; /* Content size */
Elf64_Word n_type; /* Content type */
} Elf64_Nhdr;
/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */
#define ELF64_ST_BIND(val) ELF32_ST_BIND (val)
#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val)
#endif /* OUTPUT_ELF64_H */