elf.h

qemu虚拟机代码

/* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr.  */

#define PF_PARISC_SBP		0x08000000

#define PF_HP_PAGE_SIZE		0x00100000
#define PF_HP_FAR_SHARED	0x00200000
#define PF_HP_NEAR_SHARED	0x00400000
#define PF_HP_CODE		0x01000000
#define PF_HP_MODIFY		0x02000000
#define PF_HP_LAZYSWAP		0x04000000
#define PF_HP_SBP		0x08000000

/* IA-64 specific declarations.  */

/* Processor specific flags for the Ehdr e_flags field.  */
#define EF_IA_64_MASKOS		0x0000000f	/* os-specific flags */
#define EF_IA_64_ABI64		0x00000010	/* 64-bit ABI */
#define EF_IA_64_ARCH		0xff000000	/* arch. version mask */

/* Processor specific values for the Phdr p_type field.  */
#define PT_IA_64_ARCHEXT	(PT_LOPROC + 0)	/* arch extension bits */
#define PT_IA_64_UNWIND		(PT_LOPROC + 1)	/* ia64 unwind bits */

/* Processor specific flags for the Phdr p_flags field.  */
#define PF_IA_64_NORECOV	0x80000000	/* spec insns w/o recovery */

/* Processor specific values for the Shdr sh_type field.  */
#define SHT_IA_64_EXT		(SHT_LOPROC + 0) /* extension bits */
#define SHT_IA_64_UNWIND	(SHT_LOPROC + 1) /* unwind bits */

/* Processor specific flags for the Shdr sh_flags field.  */
#define SHF_IA_64_SHORT		0x10000000	/* section near gp */
#define SHF_IA_64_NORECOV	0x20000000	/* spec insns w/o recovery */

/* Processor specific values for the Dyn d_tag field.  */
#define DT_IA_64_PLT_RESERVE	(DT_LOPROC + 0)
#define DT_IA_64_NUM		1

/* IA-64 relocations.  */
#define R_IA64_NONE		0x00	/* none */
#define R_IA64_IMM14		0x21	/* symbol + addend, add imm14 */
#define R_IA64_IMM22		0x22	/* symbol + addend, add imm22 */
#define R_IA64_IMM64		0x23	/* symbol + addend, mov imm64 */
#define R_IA64_DIR32MSB		0x24	/* symbol + addend, data4 MSB */
#define R_IA64_DIR32LSB		0x25	/* symbol + addend, data4 LSB */
#define R_IA64_DIR64MSB		0x26	/* symbol + addend, data8 MSB */
#define R_IA64_DIR64LSB		0x27	/* symbol + addend, data8 LSB */
#define R_IA64_GPREL22		0x2a	/* @gprel(sym + add), add imm22 */
#define R_IA64_GPREL64I		0x2b	/* @gprel(sym + add), mov imm64 */
#define R_IA64_GPREL32MSB	0x2c	/* @gprel(sym + add), data4 MSB */
#define R_IA64_GPREL32LSB	0x2d	/* @gprel(sym + add), data4 LSB */
#define R_IA64_GPREL64MSB	0x2e	/* @gprel(sym + add), data8 MSB */
#define R_IA64_GPREL64LSB	0x2f	/* @gprel(sym + add), data8 LSB */
#define R_IA64_LTOFF22		0x32	/* @ltoff(sym + add), add imm22 */
#define R_IA64_LTOFF64I		0x33	/* @ltoff(sym + add), mov imm64 */
#define R_IA64_PLTOFF22		0x3a	/* @pltoff(sym + add), add imm22 */
#define R_IA64_PLTOFF64I	0x3b	/* @pltoff(sym + add), mov imm64 */
#define R_IA64_PLTOFF64MSB	0x3e	/* @pltoff(sym + add), data8 MSB */
#define R_IA64_PLTOFF64LSB	0x3f	/* @pltoff(sym + add), data8 LSB */
#define R_IA64_FPTR64I		0x43	/* @fptr(sym + add), mov imm64 */
#define R_IA64_FPTR32MSB	0x44	/* @fptr(sym + add), data4 MSB */
#define R_IA64_FPTR32LSB	0x45	/* @fptr(sym + add), data4 LSB */
#define R_IA64_FPTR64MSB	0x46	/* @fptr(sym + add), data8 MSB */
#define R_IA64_FPTR64LSB	0x47	/* @fptr(sym + add), data8 LSB */
#define R_IA64_PCREL60B		0x48	/* @pcrel(sym + add), brl */
#define R_IA64_PCREL21B		0x49	/* @pcrel(sym + add), ptb, call */
#define R_IA64_PCREL21M		0x4a	/* @pcrel(sym + add), chk.s */
#define R_IA64_PCREL21F		0x4b	/* @pcrel(sym + add), fchkf */
#define R_IA64_PCREL32MSB	0x4c	/* @pcrel(sym + add), data4 MSB */
#define R_IA64_PCREL32LSB	0x4d	/* @pcrel(sym + add), data4 LSB */
#define R_IA64_PCREL64MSB	0x4e	/* @pcrel(sym + add), data8 MSB */
#define R_IA64_PCREL64LSB	0x4f	/* @pcrel(sym + add), data8 LSB */
#define R_IA64_LTOFF_FPTR22	0x52	/* @ltoff(@fptr(s+a)), imm22 */
#define R_IA64_LTOFF_FPTR64I	0x53	/* @ltoff(@fptr(s+a)), imm64 */
#define R_IA64_LTOFF_FPTR32MSB	0x54	/* @ltoff(@fptr(s+a)), data4 MSB */
#define R_IA64_LTOFF_FPTR32LSB	0x55	/* @ltoff(@fptr(s+a)), data4 LSB */
#define R_IA64_LTOFF_FPTR64MSB	0x56	/* @ltoff(@fptr(s+a)), data8 MSB */
#define R_IA64_LTOFF_FPTR64LSB	0x57	/* @ltoff(@fptr(s+a)), data8 LSB */
#define R_IA64_SEGREL32MSB	0x5c	/* @segrel(sym + add), data4 MSB */
#define R_IA64_SEGREL32LSB	0x5d	/* @segrel(sym + add), data4 LSB */
#define R_IA64_SEGREL64MSB	0x5e	/* @segrel(sym + add), data8 MSB */
#define R_IA64_SEGREL64LSB	0x5f	/* @segrel(sym + add), data8 LSB */
#define R_IA64_SECREL32MSB	0x64	/* @secrel(sym + add), data4 MSB */
#define R_IA64_SECREL32LSB	0x65	/* @secrel(sym + add), data4 LSB */
#define R_IA64_SECREL64MSB	0x66	/* @secrel(sym + add), data8 MSB */
#define R_IA64_SECREL64LSB	0x67	/* @secrel(sym + add), data8 LSB */
#define R_IA64_REL32MSB		0x6c	/* data 4 + REL */
#define R_IA64_REL32LSB		0x6d	/* data 4 + REL */
#define R_IA64_REL64MSB		0x6e	/* data 8 + REL */
#define R_IA64_REL64LSB		0x6f	/* data 8 + REL */
#define R_IA64_LTV32MSB		0x74	/* symbol + addend, data4 MSB */
#define R_IA64_LTV32LSB		0x75	/* symbol + addend, data4 LSB */
#define R_IA64_LTV64MSB		0x76	/* symbol + addend, data8 MSB */
#define R_IA64_LTV64LSB		0x77	/* symbol + addend, data8 LSB */
#define R_IA64_PCREL21BI	0x79	/* @pcrel(sym + add), 21bit inst */
#define R_IA64_PCREL22		0x7a	/* @pcrel(sym + add), 22bit inst */
#define R_IA64_PCREL64I		0x7b	/* @pcrel(sym + add), 64bit inst */
#define R_IA64_IPLTMSB		0x80	/* dynamic reloc, imported PLT, MSB */
#define R_IA64_IPLTLSB		0x81	/* dynamic reloc, imported PLT, LSB */
#define R_IA64_COPY		0x84	/* copy relocation */
#define R_IA64_SUB		0x85	/* Addend and symbol difference */
#define R_IA64_LTOFF22X		0x86	/* LTOFF22, relaxable.  */
#define R_IA64_LDXMOV		0x87	/* Use of LTOFF22X.  */
#define R_IA64_TPREL14		0x91	/* @tprel(sym + add), imm14 */
#define R_IA64_TPREL22		0x92	/* @tprel(sym + add), imm22 */
#define R_IA64_TPREL64I		0x93	/* @tprel(sym + add), imm64 */
#define R_IA64_TPREL64MSB	0x96	/* @tprel(sym + add), data8 MSB */
#define R_IA64_TPREL64LSB	0x97	/* @tprel(sym + add), data8 LSB */
#define R_IA64_LTOFF_TPREL22	0x9a	/* @ltoff(@tprel(s+a)), imm2 */
#define R_IA64_DTPMOD64MSB	0xa6	/* @dtpmod(sym + add), data8 MSB */
#define R_IA64_DTPMOD64LSB	0xa7	/* @dtpmod(sym + add), data8 LSB */
#define R_IA64_LTOFF_DTPMOD22	0xaa	/* @ltoff(@dtpmod(sym + add)), imm22 */
#define R_IA64_DTPREL14		0xb1	/* @dtprel(sym + add), imm14 */
#define R_IA64_DTPREL22		0xb2	/* @dtprel(sym + add), imm22 */
#define R_IA64_DTPREL64I	0xb3	/* @dtprel(sym + add), imm64 */
#define R_IA64_DTPREL32MSB	0xb4	/* @dtprel(sym + add), data4 MSB */
#define R_IA64_DTPREL32LSB	0xb5	/* @dtprel(sym + add), data4 LSB */
#define R_IA64_DTPREL64MSB	0xb6	/* @dtprel(sym + add), data8 MSB */
#define R_IA64_DTPREL64LSB	0xb7	/* @dtprel(sym + add), data8 LSB */
#define R_IA64_LTOFF_DTPREL22	0xba	/* @ltoff(@dtprel(s+a)), imm22 */

typedef struct elf32_rel {
  Elf32_Addr	r_offset;
  Elf32_Word	r_info;
} Elf32_Rel;

typedef struct elf64_rel {
  Elf64_Addr r_offset;	/* Location at which to apply the action */
  Elf64_Xword r_info;	/* index and type of relocation */
} Elf64_Rel;

typedef struct elf32_rela{
  Elf32_Addr	r_offset;
  Elf32_Word	r_info;
  Elf32_Sword	r_addend;
} Elf32_Rela;

typedef struct elf64_rela {
  Elf64_Addr r_offset;	/* Location at which to apply the action */
  Elf64_Xword r_info;	/* index and type of relocation */
  Elf64_Sxword r_addend;	/* Constant addend used to compute value */
} Elf64_Rela;

typedef struct elf32_sym{
  Elf32_Word	st_name;
  Elf32_Addr	st_value;
  Elf32_Word	st_size;
  unsigned char	st_info;
  unsigned char	st_other;
  Elf32_Half	st_shndx;
} Elf32_Sym;

typedef struct elf64_sym {
  Elf64_Word st_name;		/* Symbol name, index in string tbl */
  unsigned char	st_info;	/* Type and binding attributes */
  unsigned char	st_other;	/* No defined meaning, 0 */
  Elf64_Half st_shndx;		/* Associated section index */
  Elf64_Addr st_value;		/* Value of the symbol */
  Elf64_Xword st_size;		/* Associated symbol size */
} Elf64_Sym;


#define EI_NIDENT	16

typedef struct elf32_hdr{
  unsigned char	e_ident[EI_NIDENT];
  Elf32_Half	e_type;
  Elf32_Half	e_machine;
  Elf32_Word	e_version;
  Elf32_Addr	e_entry;  /* Entry point */
  Elf32_Off	e_phoff;
  Elf32_Off	e_shoff;
  Elf32_Word	e_flags;
  Elf32_Half	e_ehsize;
  Elf32_Half	e_phentsize;
  Elf32_Half	e_phnum;
  Elf32_Half	e_shentsize;
  Elf32_Half	e_shnum;
  Elf32_Half	e_shstrndx;
} Elf32_Ehdr;

typedef struct elf64_hdr {
  unsigned char	e_ident[16];		/* ELF "magic number" */
  Elf64_Half e_type;
  Elf64_Half e_machine;
  Elf64_Word e_version;
  Elf64_Addr e_entry;		/* Entry point virtual address */
  Elf64_Off e_phoff;		/* Program header table file offset */
  Elf64_Off e_shoff;		/* Section header table file offset */
  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;

/* These constants define the permissions on sections in the program
   header, p_flags. */
#define PF_R		0x4
#define PF_W		0x2
#define PF_X		0x1

typedef struct elf32_phdr{
  Elf32_Word	p_type;
  Elf32_Off	p_offset;
  Elf32_Addr	p_vaddr;
  Elf32_Addr	p_paddr;
  Elf32_Word	p_filesz;
  Elf32_Word	p_memsz;
  Elf32_Word	p_flags;
  Elf32_Word	p_align;
} Elf32_Phdr;

typedef struct elf64_phdr {
  Elf64_Word p_type;
  Elf64_Word p_flags;
  Elf64_Off p_offset;		/* Segment file offset */
  Elf64_Addr p_vaddr;		/* Segment virtual address */
  Elf64_Addr p_paddr;		/* Segment physical address */
  Elf64_Xword p_filesz;		/* Segment size in file */
  Elf64_Xword p_memsz;		/* Segment size in memory */
  Elf64_Xword p_align;		/* Segment alignment, file & memory */
} Elf64_Phdr;

/* sh_type */
#define SHT_NULL	0
#define SHT_PROGBITS	1
#define SHT_SYMTAB	2
#define SHT_STRTAB	3
#define SHT_RELA	4
#define SHT_HASH	5
#define SHT_DYNAMIC	6
#define SHT_NOTE	7
#define SHT_NOBITS	8
#define SHT_REL		9
#define SHT_SHLIB	10
#define SHT_DYNSYM	11
#define SHT_NUM		12
#define SHT_LOPROC	0x70000000
#define SHT_HIPROC	0x7fffffff
#define SHT_LOUSER	0x80000000
#define SHT_HIUSER	0xffffffff
#define SHT_MIPS_LIST		0x70000000
#define SHT_MIPS_CONFLICT	0x70000002
#define SHT_MIPS_GPTAB		0x70000003
#define SHT_MIPS_UCODE		0x70000004

/* sh_flags */
#define SHF_WRITE	0x1
#define SHF_ALLOC	0x2
#define SHF_EXECINSTR	0x4
#define SHF_MASKPROC	0xf0000000
#define SHF_MIPS_GPREL	0x10000000

/* special section indexes */
#define SHN_UNDEF	0
#define SHN_LORESERVE	0xff00
#define SHN_LOPROC	0xff00
#define SHN_HIPROC	0xff1f
#define SHN_ABS		0xfff1
#define SHN_COMMON	0xfff2
#define SHN_HIRESERVE	0xffff
#define SHN_MIPS_ACCOMON	0xff00
 
typedef struct elf32_shdr {
  Elf32_Word	sh_name;
  Elf32_Word	sh_type;
  Elf32_Word	sh_flags;
  Elf32_Addr	sh_addr;
  Elf32_Off	sh_offset;
  Elf32_Word	sh_size;
  Elf32_Word	sh_link;
  Elf32_Word	sh_info;
  Elf32_Word	sh_addralign;
  Elf32_Word	sh_entsize;
} Elf32_Shdr;

typedef struct elf64_shdr {
  Elf64_Word sh_name;		/* Section name, index in string tbl */
  Elf64_Word sh_type;		/* Type of section */
  Elf64_Xword sh_flags;		/* Miscellaneous section attributes */
  Elf64_Addr sh_addr;		/* Section virtual addr at execution */
  Elf64_Off sh_offset;		/* Section file offset */
  Elf64_Xword sh_size;		/* Size of section in bytes */
  Elf64_Word sh_link;		/* Index of another section */
  Elf64_Word sh_info;		/* Additional section information */
  Elf64_Xword sh_addralign;	/* Section alignment */
  Elf64_Xword sh_entsize;	/* Entry size if section holds table */
} Elf64_Shdr;

#define	EI_MAG0		0		/* e_ident[] indexes */
#define	EI_MAG1		1
#define	EI_MAG2		2
#define	EI_MAG3		3
#define	EI_CLASS	4
#define	EI_DATA		5
#define	EI_VERSION	6
#define	EI_PAD		7

#define	ELFMAG0		0x7f		/* EI_MAG */
#define	ELFMAG1		'E'
#define	ELFMAG2		'L'
#define	ELFMAG3		'F'
#define	ELFMAG		"\177ELF"
#define	SELFMAG		4

#define	ELFCLASSNONE	0		/* EI_CLASS */
#define	ELFCLASS32	1
#define	ELFCLASS64	2
#define	ELFCLASSNUM	3

#define ELFDATANONE	0		/* e_ident[EI_DATA] */
#define ELFDATA2LSB	1
#define ELFDATA2MSB	2

#define EV_NONE		0		/* e_version, EI_VERSION */
#define EV_CURRENT	1
#define EV_NUM		2

/* Notes used in ET_CORE */
#define NT_PRSTATUS	1
#define NT_PRFPREG	2
#define NT_PRPSINFO	3
#define NT_TASKSTRUCT	4
#define NT_PRXFPREG     0x46e62b7f      /* copied from gdb5.1/include/elf/common.h */


/* Note header in a PT_NOTE section */
typedef struct elf32_note {
  Elf32_Word	n_namesz;	/* Name size */
  Elf32_Word	n_descsz;	/* Content size */
  Elf32_Word	n_type;		/* Content type */
} Elf32_Nhdr;

/* Note header in a PT_NOTE section */
typedef struct elf64_note {
  Elf64_Word n_namesz;	/* Name size */
  Elf64_Word n_descsz;	/* Content size */
  Elf64_Word n_type;	/* Content type */
} Elf64_Nhdr;

#if ELF_CLASS == ELFCLASS32

#define elfhdr		elf32_hdr
#define elf_phdr	elf32_phdr
#define elf_note	elf32_note
#define elf_shdr	elf32_shdr
#define elf_sym		elf32_sym

#ifdef ELF_USES_RELOCA
# define ELF_RELOC      Elf32_Rela
#else
# define ELF_RELOC      Elf32_Rel
#endif

#else

#define elfhdr		elf64_hdr
#define elf_phdr	elf64_phdr
#define elf_note	elf64_note
#define elf_shdr	elf64_shdr
#define elf_sym		elf64_sym

#ifdef ELF_USES_RELOCA
# define ELF_RELOC      Elf64_Rela
#else
# define ELF_RELOC      Elf64_Rel
#endif

#endif /* ELF_CLASS */

#ifndef ElfW
# if ELF_CLASS == ELFCLASS32
#  define ElfW(x)  Elf32_ ## x
#  define ELFW(x)  ELF32_ ## x
# else
#  define ElfW(x)  Elf64_ ## x
#  define ELFW(x)  ELF64_ ## x
# endif
#endif


#endif /* _QEMU_ELF_H */