elf.h

RISC processor ARM-7 emulator

typedef struct
{
  Elf64_Half	vd_version;		/* Version revision */
  Elf64_Half	vd_flags;		/* Version information */
  Elf64_Half	vd_ndx;			/* Version Index */
  Elf64_Half	vd_cnt;			/* Number of associated aux entries */
  Elf64_Word	vd_hash;		/* Version name hash value */
  Elf64_Word	vd_aux;			/* Offset in bytes to verdaux array */
  Elf64_Word	vd_next;		/* Offset in bytes to next verdef
					   entry */
} Elf64_Verdef;


/* Legal values for vd_version (version revision).  */
#define VER_DEF_NONE	0		/* No version */
#define VER_DEF_CURRENT	1		/* Current version */
#define VER_DEF_NUM	2		/* Given version number */

/* Legal values for vd_flags (version information flags).  */
#define VER_FLG_BASE	0x1		/* Version definition of file itself */
#define VER_FLG_WEAK	0x2		/* Weak version identifier */

/* Auxialiary version information.  */

typedef struct
{
  Elf32_Word	vda_name;		/* Version or dependency names */
  Elf32_Word	vda_next;		/* Offset in bytes to next verdaux
					   entry */
} Elf32_Verdaux;

typedef struct
{
  Elf64_Word	vda_name;		/* Version or dependency names */
  Elf64_Word	vda_next;		/* Offset in bytes to next verdaux
					   entry */
} Elf64_Verdaux;


/* Version dependency section.  */

typedef struct
{
  Elf32_Half	vn_version;		/* Version of structure */
  Elf32_Half	vn_cnt;			/* Number of associated aux entries */
  Elf32_Word	vn_file;		/* Offset of filename for this
					   dependency */
  Elf32_Word	vn_aux;			/* Offset in bytes to vernaux array */
  Elf32_Word	vn_next;		/* Offset in bytes to next verneed
					   entry */
} Elf32_Verneed;

typedef struct
{
  Elf64_Half	vn_version;		/* Version of structure */
  Elf64_Half	vn_cnt;			/* Number of associated aux entries */
  Elf64_Word	vn_file;		/* Offset of filename for this
					   dependency */
  Elf64_Word	vn_aux;			/* Offset in bytes to vernaux array */
  Elf64_Word	vn_next;		/* Offset in bytes to next verneed
					   entry */
} Elf64_Verneed;


/* Legal values for vn_version (version revision).  */
#define VER_NEED_NONE	 0		/* No version */
#define VER_NEED_CURRENT 1		/* Current version */
#define VER_NEED_NUM	 2		/* Given version number */

/* Auxiliary needed version information.  */

typedef struct
{
  Elf32_Word	vna_hash;		/* Hash value of dependency name */
  Elf32_Half	vna_flags;		/* Dependency specific information */
  Elf32_Half	vna_other;		/* Unused */
  Elf32_Word	vna_name;		/* Dependency name string offset */
  Elf32_Word	vna_next;		/* Offset in bytes to next vernaux
					   entry */
} Elf32_Vernaux;

typedef struct
{
  Elf64_Word	vna_hash;		/* Hash value of dependency name */
  Elf64_Half	vna_flags;		/* Dependency specific information */
  Elf64_Half	vna_other;		/* Unused */
  Elf64_Word	vna_name;		/* Dependency name string offset */
  Elf64_Word	vna_next;		/* Offset in bytes to next vernaux
					   entry */
} Elf64_Vernaux;


/* Legal values for vna_flags.  */
#define VER_FLG_WEAK	0x2		/* Weak version identifier */


/* Auxiliary vector.  */

/* This vector is normally only used by the program interpreter.  The
   usual definition in an ABI supplement uses the name auxv_t.  The
   vector is not usually defined in a standard <elf.h> file, but it
   can't hurt.  We rename it to avoid conflicts.  The sizes of these
   types are an arrangement between the exec server and the program
   interpreter, so we don't fully specify them here.  */

typedef struct
{
  int a_type;			/* Entry type */
  union
    {
      long int a_val;		/* Integer value */
      void *a_ptr;		/* Pointer value */
      void (*a_fcn) (void);	/* Function pointer value */
    } a_un;
} Elf32_auxv_t;

typedef struct
{
  long int a_type;		/* Entry type */
  union
    {
      long int a_val;		/* Integer value */
      void *a_ptr;		/* Pointer value */
      void (*a_fcn) (void);	/* Function pointer value */
    } a_un;
} Elf64_auxv_t;

/* Legal values for a_type (entry type).  */

#define AT_NULL		0		/* End of vector */
#define AT_IGNORE	1		/* Entry should be ignored */
#define AT_EXECFD	2		/* File descriptor of program */
#define AT_PHDR		3		/* Program headers for program */
#define AT_PHENT	4		/* Size of program header entry */
#define AT_PHNUM	5		/* Number of program headers */
#define AT_PAGESZ	6		/* System page size */
#define AT_BASE		7		/* Base address of interpreter */
#define AT_FLAGS	8		/* Flags */
#define AT_ENTRY	9		/* Entry point of program */
#define AT_NOTELF	10		/* Program is not ELF */
#define AT_UID		11		/* Real uid */
#define AT_EUID		12		/* Effective uid */
#define AT_GID		13		/* Real gid */
#define AT_EGID		14		/* Effective gid */

/* Some more special a_type values describing the hardware.  */
#define AT_PLATFORM	15		/* String identifying platform.  */
#define AT_HWCAP	16		/* Machine dependent hints about
					   processor capabilities.  */

/* This entry gives some information about the FPU initialization
   performed by the kernel.  */
#define AT_FPUCW	17		/* Used FPU control word.  */


/* Note section contents.  Each entry in the note section begins with
   a header of a fixed form.  */

typedef struct
{
  Elf32_Word n_namesz;			/* Length of the note's name.  */
  Elf32_Word n_descsz;			/* Length of the note's descriptor.  */
  Elf32_Word n_type;			/* Type of the note.  */
} Elf32_Nhdr;

typedef struct
{
  Elf64_Word n_namesz;			/* Length of the note's name.  */
  Elf64_Word n_descsz;			/* Length of the note's descriptor.  */
  Elf64_Word n_type;			/* Type of the note.  */
} Elf64_Nhdr;

/* Known names of notes.  */

/* Solaris entries in the note section have this name.  */
#define ELF_NOTE_SOLARIS	"SUNW Solaris"

/* Note entries for GNU systems have this name.  */
#define ELF_NOTE_GNU		"GNU"


/* Defined types of notes for Solaris.  */

/* Value of descriptor (one word) is desired pagesize for the binary.  */
#define ELF_NOTE_PAGESIZE_HINT	1


/* Defined note types for GNU systems.  */

/* ABI information.  The descriptor consists of words:
   word 0: OS descriptor
   word 1: major version of the ABI
   word 2: minor version of the ABI
   word 3: subminor version of the ABI
*/
#define ELF_NOTE_ABI		1

/* Known OSes.  These value can appear in word 0 of an ELF_NOTE_ABI
   note section entry.  */
#define ELF_NOTE_OS_LINUX	0
#define ELF_NOTE_OS_GNU		1
#define ELF_NOTE_OS_SOLARIS2	2


/* Motorola 68k specific definitions.  */

/* m68k relocs.  */

#define R_68K_NONE	0		/* No reloc */
#define R_68K_32	1		/* Direct 32 bit  */
#define R_68K_16	2		/* Direct 16 bit  */
#define R_68K_8		3		/* Direct 8 bit  */
#define R_68K_PC32	4		/* PC relative 32 bit */
#define R_68K_PC16	5		/* PC relative 16 bit */
#define R_68K_PC8	6		/* PC relative 8 bit */
#define R_68K_GOT32	7		/* 32 bit PC relative GOT entry */
#define R_68K_GOT16	8		/* 16 bit PC relative GOT entry */
#define R_68K_GOT8	9		/* 8 bit PC relative GOT entry */
#define R_68K_GOT32O	10		/* 32 bit GOT offset */
#define R_68K_GOT16O	11		/* 16 bit GOT offset */
#define R_68K_GOT8O	12		/* 8 bit GOT offset */
#define R_68K_PLT32	13		/* 32 bit PC relative PLT address */
#define R_68K_PLT16	14		/* 16 bit PC relative PLT address */
#define R_68K_PLT8	15		/* 8 bit PC relative PLT address */
#define R_68K_PLT32O	16		/* 32 bit PLT offset */
#define R_68K_PLT16O	17		/* 16 bit PLT offset */
#define R_68K_PLT8O	18		/* 8 bit PLT offset */
#define R_68K_COPY	19		/* Copy symbol at runtime */
#define R_68K_GLOB_DAT	20		/* Create GOT entry */
#define R_68K_JMP_SLOT	21		/* Create PLT entry */
#define R_68K_RELATIVE	22		/* Adjust by program base */
/* Keep this the last entry.  */
#define R_68K_NUM	23

/* Intel 80386 specific definitions.  */

/* i386 relocs.  */

#define R_386_NONE	0		/* No reloc */
#define R_386_32	1		/* Direct 32 bit  */
#define R_386_PC32	2		/* PC relative 32 bit */
#define R_386_GOT32	3		/* 32 bit GOT entry */
#define R_386_PLT32	4		/* 32 bit PLT address */
#define R_386_COPY	5		/* Copy symbol at runtime */
#define R_386_GLOB_DAT	6		/* Create GOT entry */
#define R_386_JMP_SLOT	7		/* Create PLT entry */
#define R_386_RELATIVE	8		/* Adjust by program base */
#define R_386_GOTOFF	9		/* 32 bit offset to GOT */
#define R_386_GOTPC	10		/* 32 bit PC relative offset to GOT */
/* Keep this the last entry.  */
#define R_386_NUM	11

/* SUN SPARC specific definitions.  */

/* Values for Elf64_Ehdr.e_flags.  */

#define EF_SPARCV9_MM		3
#define EF_SPARCV9_TSO		0
#define EF_SPARCV9_PSO		1
#define EF_SPARCV9_RMO		2
#define EF_SPARC_EXT_MASK	0xFFFF00
#define EF_SPARC_SUN_US1	0x000200
#define EF_SPARC_HAL_R1		0x000400

/* SPARC relocs.  */

#define R_SPARC_NONE	0		/* No reloc */
#define R_SPARC_8	1		/* Direct 8 bit */
#define R_SPARC_16	2		/* Direct 16 bit */
#define R_SPARC_32	3		/* Direct 32 bit */
#define R_SPARC_DISP8	4		/* PC relative 8 bit */
#define R_SPARC_DISP16	5		/* PC relative 16 bit */
#define R_SPARC_DISP32	6		/* PC relative 32 bit */
#define R_SPARC_WDISP30	7		/* PC relative 30 bit shifted */
#define R_SPARC_WDISP22	8		/* PC relative 22 bit shifted */
#define R_SPARC_HI22	9		/* High 22 bit */
#define R_SPARC_22	10		/* Direct 22 bit */
#define R_SPARC_13	11		/* Direct 13 bit */
#define R_SPARC_LO10	12		/* Truncated 10 bit */
#define R_SPARC_GOT10	13		/* Truncated 10 bit GOT entry */
#define R_SPARC_GOT13	14		/* 13 bit GOT entry */
#define R_SPARC_GOT22	15		/* 22 bit GOT entry shifted */
#define R_SPARC_PC10	16		/* PC relative 10 bit truncated */
#define R_SPARC_PC22	17		/* PC relative 22 bit shifted */
#define R_SPARC_WPLT30	18		/* 30 bit PC relative PLT address */
#define R_SPARC_COPY	19		/* Copy symbol at runtime */
#define R_SPARC_GLOB_DAT 20		/* Create GOT entry */
#define R_SPARC_JMP_SLOT 21		/* Create PLT entry */
#define R_SPARC_RELATIVE 22		/* Adjust by program base */
#define R_SPARC_UA32	23		/* Direct 32 bit unaligned */

/* Additional Sparc64 relocs.  */

#define R_SPARC_PLT32	24		/* Direct 32 bit ref to PLT entry */
#define R_SPARC_HIPLT22	25		/* High 22 bit PLT entry */
#define R_SPARC_LOPLT10	26		/* Truncated 10 bit PLT entry */
#define R_SPARC_PCPLT32	27		/* PC rel 32 bit ref to PLT entry */
#define R_SPARC_PCPLT22	28		/* PC rel high 22 bit PLT entry */
#define R_SPARC_PCPLT10	29		/* PC rel trunc 10 bit PLT entry */
#define R_SPARC_10	30		/* Direct 10 bit */
#define R_SPARC_11	31		/* Direct 11 bit */
#define R_SPARC_64	32		/* Direct 64 bit */
#define R_SPARC_OLO10	33		/* ?? */
#define R_SPARC_HH22	34		/* Top 22 bits of direct 64 bit */
#define R_SPARC_HM10	35		/* High middle 10 bits of ... */
#define R_SPARC_LM22	36		/* Low middle 22 bits of ... */
#define R_SPARC_PC_HH22	37		/* Top 22 bits of pc rel 64 bit */
#define R_SPARC_PC_HM10	38		/* High middle 10 bit of ... */
#define R_SPARC_PC_LM22	39		/* Low miggle 22 bits of ... */
#define R_SPARC_WDISP16	40		/* PC relative 16 bit shifted */
#define R_SPARC_WDISP19	41		/* PC relative 19 bit shifted */
#define R_SPARC_7	43		/* Direct 7 bit */
#define R_SPARC_5	44		/* Direct 5 bit */
#define R_SPARC_6	45		/* Direct 6 bit */
#define R_SPARC_DISP64	46		/* PC relative 64 bit */
#define R_SPARC_PLT64	47		/* Direct 64 bit ref to PLT entry */
#define R_SPARC_HIX22	48		/* High 22 bit complemented */
#define R_SPARC_LOX10	49		/* Truncated 11 bit complemented */
#define R_SPARC_H44	50		/* Direct high 12 of 44 bit */