glibc/elf/elf.h

/* This file defines standard ELF types, structures, and macros.
   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ian Lance Taylor <ian@cygnus.com>.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef _ELF_H
#define	_ELF_H 1

#include <features.h>

__BEGIN_DECLS

/* Standard ELF types.  */

#include <stdint.h>

/* Type for a 16-bit quantity.  */
typedef uint16_t Elf32_Half;
typedef uint16_t Elf64_Half;

/* Types for signed and unsigned 32-bit quantities.  */
typedef uint32_t Elf32_Word;
typedef	int32_t  Elf32_Sword;
typedef uint32_t Elf64_Word;
typedef	int32_t  Elf64_Sword;

/* Types for signed and unsigned 64-bit quantities.  */
typedef uint64_t Elf32_Xword;
typedef	int64_t  Elf32_Sxword;
typedef uint64_t Elf64_Xword;
typedef	int64_t  Elf64_Sxword;

/* Type of addresses.  */
typedef uint32_t Elf32_Addr;
typedef uint64_t Elf64_Addr;

/* Type of file offsets.  */
typedef uint32_t Elf32_Off;
typedef uint64_t Elf64_Off;

/* Type for section indices, which are 16-bit quantities.  */
typedef uint16_t Elf32_Section;
typedef uint16_t Elf64_Section;

/* Type of symbol indices.  */
typedef uint32_t Elf32_Symndx;
typedef uint64_t Elf64_Symndx;


/* The ELF file header.  This appears at the start of every ELF file.  */

#define EI_NIDENT (16)

typedef struct
{
  unsigned char	e_ident[EI_NIDENT];	/* Magic number and other info */
  Elf32_Half	e_type;			/* Object file type */
  Elf32_Half	e_machine;		/* Architecture */
  Elf32_Word	e_version;		/* Object file version */
  Elf32_Addr	e_entry;		/* Entry point virtual address */
  Elf32_Off	e_phoff;		/* Program header table file offset */
  Elf32_Off	e_shoff;		/* Section header table file offset */
  Elf32_Word	e_flags;		/* Processor-specific flags */
  Elf32_Half	e_ehsize;		/* ELF header size in bytes */
  Elf32_Half	e_phentsize;		/* Program header table entry size */
  Elf32_Half	e_phnum;		/* Program header table entry count */
  Elf32_Half	e_shentsize;		/* Section header table entry size */
  Elf32_Half	e_shnum;		/* Section header table entry count */
  Elf32_Half	e_shstrndx;		/* Section header string table index */
} Elf32_Ehdr;

typedef struct
{
  unsigned char	e_ident[EI_NIDENT];	/* Magic number and other info */
  Elf64_Half	e_type;			/* Object file type */
  Elf64_Half	e_machine;		/* Architecture */
  Elf64_Word	e_version;		/* Object file 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;		/* Processor-specific flags */
  Elf64_Half	e_ehsize;		/* ELF header size in bytes */
  Elf64_Half	e_phentsize;		/* Program header table entry size */
  Elf64_Half	e_phnum;		/* Program header table entry count */
  Elf64_Half	e_shentsize;		/* Section header table entry size */
  Elf64_Half	e_shnum;		/* Section header table entry count */
  Elf64_Half	e_shstrndx;		/* Section header string table index */
} Elf64_Ehdr;

/* Fields in the e_ident array.  The EI_* macros are indices into the
   array.  The macros under each EI_* macro are the values the byte
   may have.  */

#define EI_MAG0		0		/* File identification byte 0 index */
#define ELFMAG0		0x7f		/* Magic number byte 0 */

#define EI_MAG1		1		/* File identification byte 1 index */
#define ELFMAG1		'E'		/* Magic number byte 1 */

#define EI_MAG2		2		/* File identification byte 2 index */
#define ELFMAG2		'L'		/* Magic number byte 2 */

#define EI_MAG3		3		/* File identification byte 3 index */
#define ELFMAG3		'F'		/* Magic number byte 3 */

/* Conglomeration of the identification bytes, for easy testing as a word.  */
#define	ELFMAG		"\177ELF"
#define	SELFMAG		4

#define EI_CLASS	4		/* File class byte index */
#define ELFCLASSNONE	0		/* Invalid class */
#define ELFCLASS32	1		/* 32-bit objects */
#define ELFCLASS64	2		/* 64-bit objects */
#define ELFCLASSNUM	3

#define EI_DATA		5		/* Data encoding byte index */
#define ELFDATANONE	0		/* Invalid data encoding */
#define ELFDATA2LSB	1		/* 2's complement, little endian */
#define ELFDATA2MSB	2		/* 2's complement, big endian */
#define ELFDATANUM	3

#define EI_VERSION	6		/* File version byte index */
					/* Value must be EV_CURRENT */

#define EI_OSABI	7		/* OS ABI identification */
#define ELFOSABI_SYSV		0	/* UNIX System V ABI */
#define ELFOSABI_HPUX		1	/* HP-UX */
#define ELFOSABI_STANDALONE	255	/* Standalone (embedded) application */

#define EI_ABIVERSION	8		/* ABI version */

#define EI_PAD		9		/* Byte index of padding bytes */

/* Legal values for e_type (object file type).  */

#define ET_NONE		0		/* No file type */
#define ET_REL		1		/* Relocatable file */
#define ET_EXEC		2		/* Executable file */
#define ET_DYN		3		/* Shared object file */
#define ET_CORE		4		/* Core file */
#define	ET_NUM		5		/* Number of defined types */
#define ET_LOPROC	0xff00		/* Processor-specific */
#define ET_HIPROC	0xffff		/* Processor-specific */

/* Legal values for e_machine (architecture).  */

#define EM_NONE		 0		/* No machine */
#define EM_M32		 1		/* AT&T WE 32100 */
#define EM_SPARC	 2		/* SUN SPARC */
#define EM_386		 3		/* Intel 80386 */
#define EM_68K		 4		/* Motorola m68k family */
#define EM_88K		 5		/* Motorola m88k family */
#define EM_486		 6		/* Intel 80486 */
#define EM_860		 7		/* Intel 80860 */
#define EM_MIPS		 8		/* MIPS R3000 big-endian */
#define EM_S370		 9		/* Amdahl */
#define EM_MIPS_RS4_BE	10		/* MIPS R4000 big-endian */
#define EM_RS6000	11		/* RS6000 */

#define EM_PARISC	15		/* HPPA */
#define EM_nCUBE	16		/* nCUBE */
#define EM_VPP500	17		/* Fujitsu VPP500 */
#define EM_SPARC32PLUS	18		/* Sun's "v8plus" */
#define EM_960		19		/* Intel 80960 */
#define EM_PPC		20		/* PowerPC */

#define EM_V800		36		/* NEC V800 series */
#define EM_FR20		37		/* Fujitsu FR20 */
#define EM_RH32		38		/* TRW RH32 */
#define EM_MMA		39		/* Fujitsu MMA */
#define EM_ARM		40		/* ARM */
#define EM_OLD_ALPHA	41		/* Digital Alpha */
#define EM_SH		42		/* Hitachi SH */
#define EM_SPARCV9	43		/* SPARC v9 64-bit */
#define EM_TRICORE	44		/* Siemens Tricore */
#define EM_ARC		45		/* Argonaut RISC Core */
#define EM_H8_300	46		/* Hitachi H8/300 */
#define EM_H8_300H	47		/* Hitachi H8/300H */
#define EM_H8S		48		/* Hitachi H8S */
#define EM_H8_500	49		/* Hitachi H8/500 */
#define EM_IA_64	50		/* Intel Merced */
#define EM_MIPS_X	51		/* Stanford MIPS-X */
#define EM_COLDFIRE	52		/* Motorola Coldfire */
#define EM_68HC12	53		/* Motorola M68HC12 */
#define EM_NUM		54

/* If it is necessary to assign new unofficial EM_* values, please
   pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
   chances of collision with official or non-GNU unofficial values.  */

#define EM_ALPHA	0x9026

/* Legal values for e_version (version).  */

#define EV_NONE		0		/* Invalid ELF version */
#define EV_CURRENT	1		/* Current version */
#define EV_NUM		2

/* Section header.  */

typedef struct
{
  Elf32_Word	sh_name;		/* Section name (string tbl index) */
  Elf32_Word	sh_type;		/* Section type */
  Elf32_Word	sh_flags;		/* Section flags */
  Elf32_Addr	sh_addr;		/* Section virtual addr at execution */
  Elf32_Off	sh_offset;		/* Section file offset */
  Elf32_Word	sh_size;		/* Section size in bytes */
  Elf32_Word	sh_link;		/* Link to another section */
  Elf32_Word	sh_info;		/* Additional section information */
  Elf32_Word	sh_addralign;		/* Section alignment */
  Elf32_Word	sh_entsize;		/* Entry size if section holds table */
} Elf32_Shdr;

typedef struct
{
  Elf64_Word	sh_name;		/* Section name (string tbl index) */
  Elf64_Word	sh_type;		/* Section type */
  Elf64_Xword	sh_flags;		/* Section flags */
  Elf64_Addr	sh_addr;		/* Section virtual addr at execution */
  Elf64_Off	sh_offset;		/* Section file offset */
  Elf64_Xword	sh_size;		/* Section size in bytes */
  Elf64_Word	sh_link;		/* Link to 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;

/* Special section indices.  */

#define SHN_UNDEF	0		/* Undefined section */
#define SHN_LORESERVE	0xff00		/* Start of reserved indices */
#define SHN_LOPROC	0xff00		/* Start of processor-specific */
#define SHN_HIPROC	0xff1f		/* End of processor-specific */
#define SHN_ABS		0xfff1		/* Associated symbol is absolute */
#define SHN_COMMON	0xfff2		/* Associated symbol is common */
#define SHN_HIRESERVE	0xffff		/* End of reserved indices */

/* Legal values for sh_type (section type).  */

#define SHT_NULL	 0		/* Section header table entry unused */
#define SHT_PROGBITS	 1		/* Program data */
#define SHT_SYMTAB	 2		/* Symbol table */
#define SHT_STRTAB	 3		/* String table */
#define SHT_RELA	 4		/* Relocation entries with addends */
#define SHT_HASH	 5		/* Symbol hash table */
#define SHT_DYNAMIC	 6		/* Dynamic linking information */
#define SHT_NOTE	 7		/* Notes */
#define SHT_NOBITS	 8		/* Program space with no data (bss) */
#define SHT_REL		 9		/* Relocation entries, no addends */
#define SHT_SHLIB	 10		/* Reserved */
#define SHT_DYNSYM	 11		/* Dynamic linker symbol table */
#define	SHT_NUM		 12		/* Number of defined types.  */
#define SHT_LOOS	 0x60000000	/* Start OS-specific */
#define SHT_LOSUNW	 0x6ffffffb	/* Sun-specific low bound.  */
#define SHT_SUNW_COMDAT  0x6ffffffb
#define SHT_SUNW_syminfo 0x6ffffffc
#define SHT_GNU_verdef	 0x6ffffffd	/* Version definition section.  */
#define SHT_GNU_verneed	 0x6ffffffe	/* Version needs section.  */
#define SHT_GNU_versym	 0x6fffffff	/* Version symbol table.  */
#define SHT_HISUNW	 0x6fffffff	/* Sun-specific high bound.  */
#define SHT_HIOS	 0x6fffffff	/* End OS-specific type */
#define SHT_LOPROC	 0x70000000	/* Start of processor-specific */
#define SHT_HIPROC	 0x7fffffff	/* End of processor-specific */
#define SHT_LOUSER	 0x80000000	/* Start of application-specific */
#define SHT_HIUSER	 0x8fffffff	/* End of application-specific */

/* Legal values for sh_flags (section flags).  */

#define SHF_WRITE	(1 << 0)	/* Writable */
#define SHF_ALLOC	(1 << 1)	/* Occupies memory during execution */
#define SHF_EXECINSTR	(1 << 2)	/* Executable */
#define SHF_MASKPROC	0xf0000000	/* Processor-specific */

/* Symbol table entry.  */

typedef struct
{
  Elf32_Word	st_name;		/* Symbol name (string tbl index) */
  Elf32_Addr	st_value;		/* Symbol value */
  Elf32_Word	st_size;		/* Symbol size */
  unsigned char	st_info;		/* Symbol type and binding */
  unsigned char	st_other;		/* No defined meaning, 0 */
  Elf32_Section	st_shndx;		/* Section index */
} Elf32_Sym;

typedef struct
{
  Elf64_Word	st_name;		/* Symbol name (string tbl index) */
  unsigned char	st_info;		/* Symbol type and binding */
  unsigned char st_other;		/* No defined meaning, 0 */
  Elf64_Section	st_shndx;		/* Section index */
  Elf64_Addr	st_value;		/* Symbol value */
  Elf64_Xword	st_size;		/* Symbol size */
} Elf64_Sym;

/* Special section index.  */

#define SHN_UNDEF	0		/* No section, undefined symbol.  */

/* How to extract and insert information held in the st_info field.  */

#define ELF32_ST_BIND(val)		(((unsigned char) (val)) >> 4)
#define ELF32_ST_TYPE(val)		((val) & 0xf)
#define ELF32_ST_INFO(bind, type)	(((bind) << 4) + ((type) & 0xf))

/* 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)
#define ELF64_ST_INFO(bind, type)	ELF32_ST_INFO ((bind), (type))

/* Legal values for ST_BIND subfield of st_info (symbol binding).  */

#define STB_LOCAL	0		/* Local symbol */
#define STB_GLOBAL	1		/* Global symbol */
#define STB_WEAK	2		/* Weak symbol */
#define	STB_NUM		3		/* Number of defined types.  */
#define STB_LOOS	10		/* Start of OS-specific */
#define STB_HIOS	12		/* End of OS-specific */
#define STB_LOPROC	13		/* Start of processor-specific */
#define STB_HIPROC	15		/* End of processor-specific */

/* Legal values for ST_TYPE subfield of st_info (symbol type).  */

#define STT_NOTYPE	0		/* Symbol type is unspecified */
#define STT_OBJECT	1		/* Symbol is a data object */
#define STT_FUNC	2		/* Symbol is a code object */
#define STT_SECTION	3		/* Symbol associated with a section */
#define STT_FILE	4		/* Symbol's name is file name */
#define	STT_NUM		5		/* Number of defined types.  */
#define STT_LOOS	11		/* Start of OS-specific */
#define STT_HIOS	12		/* End of OS-specific */
#define STT_LOPROC	13		/* Start of processor-specific */
#define STT_HIPROC	15		/* End of processor-specific */


/* Symbol table indices are found in the hash buckets and chain table
   of a symbol hash table section.  This special index value indicates
   the end of a chain, meaning no further symbols are found in that bucket.  */

#define STN_UNDEF	0		/* End of a chain.  */


/* Relocation table entry without addend (in section of type SHT_REL).  */

typedef struct
{
  Elf32_Addr	r_offset;		/* Address */
  Elf32_Word	r_info;			/* Relocation type and symbol index */
} Elf32_Rel;

/* I have seen two different definitions of the Elf64_Rel and
   Elf64_Rela structures, so we'll leave them out until Novell (or
   whoever) gets their act together.  */
/* The following, at least, is used on Sparc v9, MIPS, and Alpha.  */

typedef struct
{
  Elf64_Addr	r_offset;		/* Address */
  Elf64_Xword	r_info;			/* Relocation type and symbol index */
} Elf64_Rel;

/* Relocation table entry with addend (in section of type SHT_RELA).  */

typedef struct
{
  Elf32_Addr	r_offset;		/* Address */
  Elf32_Word	r_info;			/* Relocation type and symbol index */
  Elf32_Sword	r_addend;		/* Addend */
} Elf32_Rela;

typedef struct
{
  Elf64_Addr	r_offset;		/* Address */
  Elf64_Xword	r_info;			/* Relocation type and symbol index */
  Elf64_Sxword	r_addend;		/* Addend */
} Elf64_Rela;

/* How to extract and insert information held in the r_info field.  */

#define ELF32_R_SYM(val)		((val) >> 8)
#define ELF32_R_TYPE(val)		((val) & 0xff)
#define ELF32_R_INFO(sym, type)		(((sym) << 8) + ((type) & 0xff))

#define ELF64_R_SYM(i)			((i) >> 32)
#define ELF64_R_TYPE(i)			((i) & 0xffffffff)
#define ELF64_R_INFO(sym,type)		(((sym) << 32) + (type))

/* Program segment header.  */

typedef struct
{
  Elf32_Word	p_type;			/* Segment type */
  Elf32_Off	p_offset;		/* Segment file offset */
  Elf32_Addr	p_vaddr;		/* Segment virtual address */
  Elf32_Addr	p_paddr;		/* Segment physical address */
  Elf32_Word	p_filesz;		/* Segment size in file */
  Elf32_Word	p_memsz;		/* Segment size in memory */
  Elf32_Word	p_flags;		/* Segment flags */
  Elf32_Word	p_align;		/* Segment alignment */
} Elf32_Phdr;

typedef struct
{
  Elf64_Word	p_type;			/* Segment type */
  Elf64_Word	p_flags;		/* Segment 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 */
} Elf64_Phdr;

/* Legal values for p_type (segment type).  */

#define	PT_NULL		0		/* Program header table entry unused */
#define PT_LOAD		1		/* Loadable program segment */
#define PT_DYNAMIC	2		/* Dynamic linking information */
#define PT_INTERP	3		/* Program interpreter */
#define PT_NOTE		4		/* Auxiliary information */
#define PT_SHLIB	5		/* Reserved */
#define PT_PHDR		6		/* Entry for header table itself */
#define	PT_NUM		7		/* Number of defined types.  */
#define PT_LOOS		0x60000000	/* Start of OS-specific */
#define PT_HIOS		0x6fffffff	/* End of OS-specific */
#define PT_LOPROC	0x70000000	/* Start of processor-specific */
#define PT_HIPROC	0x7fffffff	/* End of processor-specific */

/* Legal values for p_flags (segment flags).  */

#define PF_X		(1 << 0)	/* Segment is executable */
#define PF_W		(1 << 1)	/* Segment is writable */
#define PF_R		(1 << 2)	/* Segment is readable */
#define PF_MASKPROC	0xf0000000	/* Processor-specific */

/* Legal values for note segment descriptor types for core files. */

#define NT_PRSTATUS	1		/* Contains copy of prstatus struct */
#define NT_FPREGSET	2		/* Contains copy of fpregset struct */
#define NT_PRPSINFO	3		/* Contains copy of prpsinfo struct */
#define NT_PRXREG	4		/* Contains copy of prxregset struct */
#define NT_PLATFORM	5		/* String from sysinfo(SI_PLATFORM) */
#define NT_AUXV		6		/* Contains copy of auxv array */
#define NT_GWINDOWS	7		/* Contains copy of gwindows struct */
#define NT_PSTATUS	10		/* Contains copy of pstatus struct */
#define NT_PSINFO	13		/* Contains copy of psinfo struct */
#define NT_PRCRED	14		/* Contains copy of prcred struct */
#define NT_UTSNAME	15		/* Contains copy of utsname struct */
#define NT_LWPSTATUS	16		/* Contains copy of lwpstatus struct */
#define NT_LWPSINFO	17		/* Contains copy of lwpinfo struct */

/* Legal values for the  note segment descriptor types for object files.  */

#define NT_VERSION	1		/* Contains a version string.  */


/* Dynamic section entry.  */

typedef struct
{
  Elf32_Sword	d_tag;			/* Dynamic entry type */
  union
    {
      Elf32_Word d_val;			/* Integer value */
      Elf32_Addr d_ptr;			/* Address value */
    } d_un;
} Elf32_Dyn;

typedef struct
{
  Elf64_Sxword	d_tag;			/* Dynamic entry type */
  union
    {
      Elf64_Xword d_val;		/* Integer value */
      Elf64_Addr d_ptr;			/* Address value */
    } d_un;
} Elf64_Dyn;

/* Legal values for d_tag (dynamic entry type).  */

#define DT_NULL		0		/* Marks end of dynamic section */
#define DT_NEEDED	1		/* Name of needed library */
#define DT_PLTRELSZ	2		/* Size in bytes of PLT relocs */
#define DT_PLTGOT	3		/* Processor defined value */
#define DT_HASH		4		/* Address of symbol hash table */
#define DT_STRTAB	5		/* Address of string table */
#define DT_SYMTAB	6		/* Address of symbol table */
#define DT_RELA		7		/* Address of Rela relocs */
#define DT_RELASZ	8		/* Total size of Rela relocs */
#define DT_RELAENT	9		/* Size of one Rela reloc */
#define DT_STRSZ	10		/* Size of string table */
#define DT_SYMENT	11		/* Size of one symbol table entry */
#define DT_INIT		12		/* Address of init function */
#define DT_FINI		13		/* Address of termination function */
#define DT_SONAME	14		/* Name of shared object */
#define DT_RPATH	15		/* Library search path */
#define DT_SYMBOLIC	16		/* Start symbol search here */
#define DT_REL		17		/* Address of Rel relocs */
#define DT_RELSZ	18		/* Total size of Rel relocs */
#define DT_RELENT	19		/* Size of one Rel reloc */
#define DT_PLTREL	20		/* Type of reloc in PLT */
#define DT_DEBUG	21		/* For debugging; unspecified */
#define DT_TEXTREL	22		/* Reloc might modify .text */
#define DT_JMPREL	23		/* Address of PLT relocs */
#define	DT_BIND_NOW	24		/* Process relocations of object */
#define	DT_INIT_ARRAY	25		/* Array with addresses of init fct */
#define	DT_FINI_ARRAY	26		/* Array with addresses of fini fct */
#define	DT_INIT_ARRAYSZ	27		/* Size in bytes of DT_INIT_ARRAY */
#define	DT_FINI_ARRAYSZ	28		/* Size in bytes of DT_FINI_ARRAY */
#define	DT_NUM		29		/* Number used */
#define DT_LOOS		0x60000000	/* Start of OS-specific */
#define DT_HIOS		0x6fffffff	/* End of OS-specific */
#define DT_LOPROC	0x70000000	/* Start of processor-specific */
#define DT_HIPROC	0x7fffffff	/* End of processor-specific */
#define	DT_PROCNUM	DT_MIPS_NUM	/* Most used by any processor */

/* The versioning entry types.  The next are defined as part of the
   GNU extension.  */
#define DT_VERSYM	0x6ffffff0

/* These were chosen by Sun.  */
#define DT_FLAGS_1	0x6ffffffb	/* State flags, see DF_1_* below.  */
#define	DT_VERDEF	0x6ffffffc	/* Address of version definition
					   table */
#define	DT_VERDEFNUM	0x6ffffffd	/* Number of version definitions */
#define	DT_VERNEED	0x6ffffffe	/* Address of table with needed
					   versions */
#define	DT_VERNEEDNUM	0x6fffffff	/* Number of needed versions */
#define DT_VERSIONTAGIDX(tag)	(DT_VERNEEDNUM - (tag))	/* Reverse order! */
#define DT_VERSIONTAGNUM 16

/* Sun added these machine-independent extensions in the "processor-specific"
   range.  Be compatible.  */
#define DT_AUXILIARY    0x7ffffffd      /* Shared object to load before self */
#define DT_FILTER       0x7fffffff      /* Shared object to get values from */
#define DT_EXTRATAGIDX(tag)	((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1)
#define DT_EXTRANUM	3

/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1
   entry in the dynamic section.  */
#define DF_1_NOW	0x00000001	/* Set RTLD_NOW for this object.  */
#define DF_1_GLOBAL	0x00000002	/* Set RTLD_GLOBAL for this object.  */
#define DF_1_GROUP	0x00000004	/* Set RTLD_GROUP for this object.  */
#define DF_1_NODELETE	0x00000008	/* Set RTLD_NODELETE for this object.*/
#define DF_1_LOADFLTR	0x00000010	/* Trigger filtee loading at runtime.*/
#define DF_1_INITFIRST	0x00000020	/* Set RTLD_INITFIRST for this object*/
#define DF_1_NOOPEN	0x00000040	/* Set RTLD_NOOPEN for this object.  */

/* Version definition sections.  */

typedef struct
{
  Elf32_Half	vd_version;		/* Version revision */
  Elf32_Half	vd_flags;		/* Version information */
  Elf32_Half	vd_ndx;			/* Version Index */
  Elf32_Half	vd_cnt;			/* Number of associated aux entries */
  Elf32_Word	vd_hash;		/* Version name hash value */
  Elf32_Word	vd_aux;			/* Offset in bytes to verdaux array */
  Elf32_Word	vd_next;		/* Offset in bytes to next verdef
					   entry */
} Elf32_Verdef;

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.  */


/* 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 */
#define R_SPARC_M44	51		/* Direct mid 22 of 44 bit */
#define R_SPARC_L44	52		/* Direct low 10 of 44 bit */
#define R_SPARC_REGISTER 53		/* Global register usage */
#define R_SPARC_UA64	54		/* Direct 64 bit unaligned */
#define R_SPARC_UA16	55		/* Direct 16 bit unaligned */
/* Keep this the last entry.  */
#define R_SPARC_NUM	56

/* For Sparc64, legal values for d_tag of Elf64_Dyn.  */

#define DT_SPARC_REGISTER 0x70000001
#define DT_SPARC_NUM	2

/* Bits present in AT_HWCAP, primarily for Sparc32.  */

#define HWCAP_SPARC_FLUSH	1	/* The cpu supports flush insn.  */
#define HWCAP_SPARC_STBAR	2
#define HWCAP_SPARC_SWAP	4
#define HWCAP_SPARC_MULDIV	8
#define HWCAP_SPARC_V9		16	/* The cpu is v9, so v8plus is ok.  */

/* MIPS R3000 specific definitions.  */

/* Legal values for e_flags field of Elf32_Ehdr.  */

#define EF_MIPS_NOREORDER   1		/* A .noreorder directive was used */
#define EF_MIPS_PIC	    2		/* Contains PIC code */
#define EF_MIPS_CPIC	    4		/* Uses PIC calling sequence */
#define EF_MIPS_XGOT	    8
#define EF_MIPS_64BIT_WHIRL 16
#define EF_MIPS_ABI2	    32
#define EF_MIPS_ABI_ON32    64
#define EF_MIPS_ARCH	    0xf0000000	/* MIPS architecture level */

/* Legal values for MIPS architecture level.  */

#define EF_MIPS_ARCH_1	    0x00000000	/* -mips1 code.  */
#define EF_MIPS_ARCH_2	    0x10000000	/* -mips2 code.  */
#define EF_MIPS_ARCH_3	    0x20000000	/* -mips3 code.  */
#define EF_MIPS_ARCH_4	    0x30000000	/* -mips4 code.  */
#define EF_MIPS_ARCH_5	    0x40000000	/* -mips5 code.  */

/* The following are non-official names and should ot be used.  */

#define E_MIPS_ARCH_1	  0x00000000	/* -mips1 code.  */
#define E_MIPS_ARCH_2	  0x10000000	/* -mips2 code.  */
#define E_MIPS_ARCH_3	  0x20000000	/* -mips3 code.  */
#define E_MIPS_ARCH_4	  0x30000000	/* -mips4 code.  */
#define E_MIPS_ARCH_5	  0x40000000	/* -mips5 code.  */

/* Special section indices.  */

#define SHN_MIPS_ACOMMON 0xff00		/* Allocated common symbols */
#define SHN_MIPS_TEXT	 0xff01		/* Allocated test symbols.  */
#define SHN_MIPS_DATA	 0xff02		/* Allocated data symbols.  */
#define SHN_MIPS_SCOMMON 0xff03		/* Small common symbols */
#define SHN_MIPS_SUNDEFINED 0xff04	/* Small undefined symbols */

/* Legal values for sh_type field of Elf32_Shdr.  */

#define SHT_MIPS_LIBLIST       0x70000000 /* Shared objects used in link */
#define SHT_MIPS_MSYM	       0x70000001
#define SHT_MIPS_CONFLICT      0x70000002 /* Conflicting symbols */
#define SHT_MIPS_GPTAB	       0x70000003 /* Global data area sizes */
#define SHT_MIPS_UCODE	       0x70000004 /* Reserved for SGI/MIPS compilers */
#define SHT_MIPS_DEBUG	       0x70000005 /* MIPS ECOFF debugging information*/
#define SHT_MIPS_REGINFO       0x70000006 /* Register usage information */
#define SHT_MIPS_PACKAGE       0x70000007
#define SHT_MIPS_PACKSYM       0x70000008
#define SHT_MIPS_RELD	       0x70000009
#define SHT_MIPS_IFACE         0x7000000b
#define SHT_MIPS_CONTENT       0x7000000c
#define SHT_MIPS_OPTIONS       0x7000000d /* Miscellaneous options.  */
#define SHT_MIPS_SHDR	       0x70000010
#define SHT_MIPS_FDESC	       0x70000011
#define SHT_MIPS_EXTSYM	       0x70000012
#define SHT_MIPS_DENSE	       0x70000013
#define SHT_MIPS_PDESC	       0x70000014
#define SHT_MIPS_LOCSYM	       0x70000015
#define SHT_MIPS_AUXSYM	       0x70000016
#define SHT_MIPS_OPTSYM	       0x70000017
#define SHT_MIPS_LOCSTR	       0x70000018
#define SHT_MIPS_LINE	       0x70000019
#define SHT_MIPS_RFDESC	       0x7000001a
#define SHT_MIPS_DELTASYM      0x7000001b
#define SHT_MIPS_DELTAINST     0x7000001c
#define SHT_MIPS_DELTACLASS    0x7000001d
#define SHT_MIPS_DWARF         0x7000001e /* DWARF debugging information.  */
#define SHT_MIPS_DELTADECL     0x7000001f
#define SHT_MIPS_SYMBOL_LIB    0x70000020
#define SHT_MIPS_EVENTS	       0x70000021 /* Event section.  */
#define SHT_MIPS_TRANSLATE     0x70000022
#define SHT_MIPS_PIXIE	       0x70000023
#define SHT_MIPS_XLATE	       0x70000024
#define SHT_MIPS_XLATE_DEBUG   0x70000025
#define SHT_MIPS_WHIRL	       0x70000026
#define SHT_MIPS_EH_REGION     0x70000027
#define SHT_MIPS_XLATE_OLD     0x70000028
#define SHT_MIPS_PDR_EXCEPTION 0x70000029

/* Legal values for sh_flags field of Elf32_Shdr.  */

#define SHF_MIPS_GPREL	 0x10000000	/* Must be part of global data area */
#define SHF_MIPS_MERGE	 0x20000000
#define SHF_MIPS_ADDR	 0x40000000
#define SHF_MIPS_STRINGS 0x80000000
#define SHF_MIPS_NOSTRIP 0x08000000
#define SHF_MIPS_LOCAL	 0x04000000
#define SHF_MIPS_NAMES	 0x02000000
#define SHF_MIPS_NODUPE	 0x01000000


/* Symbol tables.  */

/* MIPS specific values for `st_other'.  */
#define STO_DEFAULT		0x0
#define STO_INTERNAL		0x1
#define STO_HIDDEN		0x2
#define STO_PROTECTED		0x3
#define STO_SC_ALIGN_UNUSED	0xff

/* MIPS specific values for `st_info'.  */
#define STB_SPLIT_COMMON	13

/* Entries found in sections of type SHT_MIPS_GPTAB.  */

typedef union
{
  struct
    {
      Elf32_Word gt_current_g_value;	/* -G value used for compilation */
      Elf32_Word gt_unused;		/* Not used */
    } gt_header;			/* First entry in section */
  struct
    {
      Elf32_Word gt_g_value;		/* If this value were used for -G */
      Elf32_Word gt_bytes;		/* This many bytes would be used */
    } gt_entry;				/* Subsequent entries in section */
} Elf32_gptab;

/* Entry found in sections of type SHT_MIPS_REGINFO.  */

typedef struct
{
  Elf32_Word	ri_gprmask;		/* General registers used */
  Elf32_Word	ri_cprmask[4];		/* Coprocessor registers used */
  Elf32_Sword	ri_gp_value;		/* $gp register value */
} Elf32_RegInfo;

/* Entries found in sections of type SHT_MIPS_OPTIONS.  */

typedef struct
{
  unsigned char kind;		/* Determines interpretation of the
				   variable part of descriptor.  */
  unsigned char size;		/* Size of descriptor, including header.  */
  Elf32_Section section;	/* Section header index of section affected,
				   0 for global options.  */
  Elf32_Word info;		/* Kind-specific information.  */
} Elf_Options;

/* Values for `kind' field in Elf_Options.  */

#define ODK_NULL	0	/* Undefined.  */
#define ODK_REGINFO	1	/* Register usage information.  */
#define ODK_EXCEPTIONS	2	/* Exception processing options.  */
#define ODK_PAD		3	/* Section padding options.  */
#define ODK_HWPATCH	4	/* Hardware workarounds performed */
#define ODK_FILL	5	/* record the fill value used by the linker. */
#define ODK_TAGS	6	/* reserve space for desktop tools to write. */
#define ODK_HWAND	7	/* HW workarounds.  'AND' bits when merging. */
#define ODK_HWOR	8	/* HW workarounds.  'OR' bits when merging.  */

/* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries.  */

#define OEX_FPU_MIN	0x1f	/* FPE's which MUST be enabled.  */
#define OEX_FPU_MAX	0x1f00	/* FPE's which MAY be enabled.  */
#define OEX_PAGE0	0x10000	/* page zero must be mapped.  */
#define OEX_SMM		0x20000	/* Force sequential memory mode?  */
#define OEX_FPDBUG	0x40000	/* Force floating point debug mode?  */
#define OEX_PRECISEFP	OEX_FPDBUG
#define OEX_DISMISS	0x80000	/* Dismiss invalid address faults?  */

#define OEX_FPU_INVAL	0x10
#define OEX_FPU_DIV0	0x08
#define OEX_FPU_OFLO	0x04
#define OEX_FPU_UFLO	0x02
#define OEX_FPU_INEX	0x01

/* Masks for `info' in Elf_Options for an ODK_HWPATCH entry.  */

#define OHW_R4KEOP	0x1	/* R4000 end-of-page patch.  */
#define OHW_R8KPFETCH	0x2	/* may need R8000 prefetch patch.  */
#define OHW_R5KEOP	0x4	/* R5000 end-of-page patch.  */
#define OHW_R5KCVTL	0x8	/* R5000 cvt.[ds].l bug.  clean=1.  */

#define OPAD_PREFIX	0x1
#define OPAD_POSTFIX	0x2
#define OPAD_SYMBOL	0x4

/* Entry found in `.options' section.  */

typedef struct
{
  Elf32_Word hwp_flags1;	/* Extra flags.  */
  Elf32_Word hwp_flags2;	/* Extra flags.  */
} Elf_Options_Hw;

/* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries.  */

#define OHWA0_R4KEOP_CHECKED	0x00000001
#define OHWA1_R4KEOP_CLEAN	0x00000002

/* MIPS relocs.  */

#define R_MIPS_NONE		0	/* No reloc */
#define R_MIPS_16		1	/* Direct 16 bit */
#define R_MIPS_32		2	/* Direct 32 bit */
#define R_MIPS_REL32		3	/* PC relative 32 bit */
#define R_MIPS_26		4	/* Direct 26 bit shifted */
#define R_MIPS_HI16		5	/* High 16 bit */
#define R_MIPS_LO16		6	/* Low 16 bit */
#define R_MIPS_GPREL16		7	/* GP relative 16 bit */
#define R_MIPS_LITERAL		8	/* 16 bit literal entry */
#define R_MIPS_GOT16		9	/* 16 bit GOT entry */
#define R_MIPS_PC16		10	/* PC relative 16 bit */
#define R_MIPS_CALL16		11	/* 16 bit GOT entry for function */
#define R_MIPS_GPREL32		12	/* GP relative 32 bit */

#define R_MIPS_SHIFT5		16
#define R_MIPS_SHIFT6		17
#define R_MIPS_64		18
#define R_MIPS_GOT_DISP		19
#define R_MIPS_GOT_PAGE		20
#define R_MIPS_GOT_OFST		21
#define R_MIPS_GOT_HI16		22
#define R_MIPS_GOT_LO16		23
#define R_MIPS_SUB		24
#define R_MIPS_INSERT_A		25
#define R_MIPS_INSERT_B		26
#define R_MIPS_DELETE		27
#define R_MIPS_HIGHER		28
#define R_MIPS_HIGHEST		29
#define R_MIPS_CALL_HI16	30
#define R_MIPS_CALL_LO16	31
#define R_MIPS_SCN_DISP		32
#define R_MIPS_REL16		33
#define R_MIPS_ADD_IMMEDIATE	34
#define R_MIPS_PJUMP		35
#define R_MIPS_RELGOT		36
/* Keep this the last entry.  */
#define R_MIPS_NUM		37

/* Legal values for p_type field of Elf32_Phdr.  */

#define PT_MIPS_REGINFO	0x70000000	/* Register usage information */
#define PT_MIPS_RTPROC  0x70000001	/* Runtime procedure table. */
#define PT_MIPS_OPTIONS 0x70000002

/* Special program header types.  */

#define PF_MIPS_LOCAL	0x10000000

/* Legal values for d_tag field of Elf32_Dyn.  */

#define DT_MIPS_RLD_VERSION  0x70000001	/* Runtime linker interface version */
#define DT_MIPS_TIME_STAMP   0x70000002	/* Timestamp */
#define DT_MIPS_ICHECKSUM    0x70000003	/* Checksum */
#define DT_MIPS_IVERSION     0x70000004	/* Version string (string tbl index) */
#define DT_MIPS_FLAGS	     0x70000005	/* Flags */
#define DT_MIPS_BASE_ADDRESS 0x70000006	/* Base address */
#define DT_MIPS_MSYM	     0x70000007
#define DT_MIPS_CONFLICT     0x70000008	/* Address of CONFLICT section */
#define DT_MIPS_LIBLIST	     0x70000009	/* Address of LIBLIST section */
#define DT_MIPS_LOCAL_GOTNO  0x7000000a	/* Number of local GOT entries */
#define DT_MIPS_CONFLICTNO   0x7000000b	/* Number of CONFLICT entries */
#define DT_MIPS_LIBLISTNO    0x70000010	/* Number of LIBLIST entries */
#define DT_MIPS_SYMTABNO     0x70000011	/* Number of DYNSYM entries */
#define DT_MIPS_UNREFEXTNO   0x70000012	/* First external DYNSYM */
#define DT_MIPS_GOTSYM	     0x70000013	/* First GOT entry in DYNSYM */
#define DT_MIPS_HIPAGENO     0x70000014	/* Number of GOT page table entries */
#define DT_MIPS_RLD_MAP	     0x70000016	/* Address of run time loader map.  */
#define DT_MIPS_DELTA_CLASS  0x70000017	/* Delta C++ class definition.  */
#define DT_MIPS_DELTA_CLASS_NO    0x70000018 /* Number of entries in
						DT_MIPS_DELTA_CLASS.  */
#define DT_MIPS_DELTA_INSTANCE    0x70000019 /* Delta C++ class instances.  */
#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in
						DT_MIPS_DELTA_INSTANCE.  */
#define DT_MIPS_DELTA_RELOC  0x7000001b /* Delta relocations.  */
#define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in
					     DT_MIPS_DELTA_RELOC.  */
#define DT_MIPS_DELTA_SYM    0x7000001d /* Delta symbols that Delta
					   relocations refer to.  */
#define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in
					   DT_MIPS_DELTA_SYM.  */
#define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the
					     class declaration.  */
#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in
						DT_MIPS_DELTA_CLASSSYM.  */
#define DT_MIPS_CXX_FLAGS    0x70000022 /* Flags indicating for C++ flavor.  */
#define DT_MIPS_PIXIE_INIT   0x70000023
#define DT_MIPS_SYMBOL_LIB   0x70000024
#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
#define DT_MIPS_LOCAL_GOTIDX 0x70000026
#define DT_MIPS_HIDDEN_GOTIDX 0x70000027
#define DT_MIPS_PROTECTED_GOTIDX 0x70000028
#define DT_MIPS_OPTIONS	     0x70000029 /* Address of .options.  */
#define DT_MIPS_INTERFACE    0x7000002a /* Address of .interface.  */
#define DT_MIPS_DYNSTR_ALIGN 0x7000002b
#define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */
#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve
						    function stored in GOT.  */
#define DT_MIPS_PERF_SUFFIX  0x7000002e /* Default suffix of dso to be added
					   by rld on dlopen() calls.  */
#define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */
#define DT_MIPS_GP_VALUE     0x70000030 /* GP value for aux GOTs.  */
#define DT_MIPS_AUX_DYNAMIC  0x70000031 /* Address of aux .dynamic.  */
#define DT_MIPS_NUM	     0x32

/* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry.  */

#define RHF_NONE		   0		/* No flags */
#define RHF_QUICKSTART		   (1 << 0)	/* Use quickstart */
#define RHF_NOTPOT		   (1 << 1)	/* Hash size not power of 2 */
#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2)	/* Ignore LD_LIBRARY_PATH */
#define RHF_NO_MOVE		   (1 << 3)
#define RHF_SGI_ONLY		   (1 << 4)
#define RHF_GUARANTEE_INIT	   (1 << 5)
#define RHF_DELTA_C_PLUS_PLUS	   (1 << 6)
#define RHF_GUARANTEE_START_INIT   (1 << 7)
#define RHF_PIXIE		   (1 << 8)
#define RHF_DEFAULT_DELAY_LOAD	   (1 << 9)
#define RHF_REQUICKSTART	   (1 << 10)
#define RHF_REQUICKSTARTED	   (1 << 11)
#define RHF_CORD		   (1 << 12)
#define RHF_NO_UNRES_UNDEF	   (1 << 13)
#define RHF_RLD_ORDER_SAFE	   (1 << 14)

/* Entries found in sections of type SHT_MIPS_LIBLIST.  */

typedef struct
{
  Elf32_Word l_name;		/* Name (string table index) */
  Elf32_Word l_time_stamp;	/* Timestamp */
  Elf32_Word l_checksum;	/* Checksum */
  Elf32_Word l_version;		/* Interface version */
  Elf32_Word l_flags;		/* Flags */
} Elf32_Lib;

typedef struct
{
  Elf64_Word l_name;		/* Name (string table index) */
  Elf64_Word l_time_stamp;	/* Timestamp */
  Elf64_Word l_checksum;	/* Checksum */
  Elf64_Word l_version;		/* Interface version */
  Elf64_Word l_flags;		/* Flags */
} Elf64_Lib;


/* Legal values for l_flags.  */

#define LL_NONE		  0
#define LL_EXACT_MATCH	  (1 << 0)	/* Require exact match */
#define LL_IGNORE_INT_VER (1 << 1)	/* Ignore interface version */
#define LL_REQUIRE_MINOR  (1 << 2)
#define LL_EXPORTS	  (1 << 3)
#define LL_DELAY_LOAD	  (1 << 4)
#define LL_DELTA	  (1 << 5)

/* Entries found in sections of type SHT_MIPS_CONFLICT.  */

typedef Elf32_Addr Elf32_Conflict;


/* HPPA specific definitions.  */

/* Legal values for sh_type field of Elf32_Shdr.  */

#define SHT_PARISC_GOT		0x70000000 /* GOT for external data.  */
#define SHT_PARISC_ARCH		0x70000001 /* Architecture extensions.  */
#define SHT_PARISC_GLOBAL	0x70000002 /* Definition of $global$.  */
#define SHT_PARISC_MILLI	0x70000003 /* Millicode routines.  */
#define SHT_PARISC_UNWIND	0x70000004 /* Unwind information.  */
#define SHT_PARISC_PLT		0x70000005 /* Procedure linkage table.  */
#define SHT_PARISC_SDATA	0x70000006 /* Short initialized data.  */
#define SHT_PARISC_SBSS		0x70000007 /* Short uninitialized data.  */
#define SHT_PARISC_SYMEXTN	0x70000008 /* Argument/relocation info.  */
#define SHT_PARISC_STUBS	0x70000009 /* Linker stubs.  */

/* Legal values for sh_flags field of Elf32_Shdr.  */

#define SHF_PARISC_SHORT	0x20000000 /* Section with short addressing. */

/* Legal values for ST_TYPE subfield of st_info (symbol type).  */

#define STT_PARISC_MILLICODE	13	/* Millicode function entry point.  */


/* Alpha specific definitions.  */

/* Legal values for e_flags field of Elf64_Ehdr.  */

#define EF_ALPHA_32BIT		1	/* All addresses must be < 2GB.  */
#define EF_ALPHA_CANRELAX	2	/* Relocations for relaxing exist.  */

/* Legal values for sh_type field of Elf64_Shdr.  */

/* These two are primerily concerned with ECOFF debugging info.  */
#define SHT_ALPHA_DEBUG		0x70000001
#define SHT_ALPHA_REGINFO	0x70000002

/* Legal values for sh_flags field of Elf64_Shdr.  */

#define SHF_ALPHA_GPREL		0x10000000

/* Alpha relocs.  */

#define R_ALPHA_NONE		0	/* No reloc */
#define R_ALPHA_REFLONG		1	/* Direct 32 bit */
#define R_ALPHA_REFQUAD		2	/* Direct 64 bit */
#define R_ALPHA_GPREL32		3	/* GP relative 32 bit */
#define R_ALPHA_LITERAL		4	/* GP relative 16 bit w/optimization */
#define R_ALPHA_LITUSE		5	/* Optimization hint for LITERAL */
#define R_ALPHA_GPDISP		6	/* Add displacement to GP */
#define R_ALPHA_BRADDR		7	/* PC+4 relative 23 bit shifted */
#define R_ALPHA_HINT		8	/* PC+4 relative 16 bit shifted */
#define R_ALPHA_SREL16		9	/* PC relative 16 bit */
#define R_ALPHA_SREL32		10	/* PC relative 32 bit */
#define R_ALPHA_SREL64		11	/* PC relative 64 bit */
#define R_ALPHA_OP_PUSH		12	/* OP stack push */
#define R_ALPHA_OP_STORE	13	/* OP stack pop and store */
#define R_ALPHA_OP_PSUB		14	/* OP stack subtract */
#define R_ALPHA_OP_PRSHIFT	15	/* OP stack right shift */
#define R_ALPHA_GPVALUE		16
#define R_ALPHA_GPRELHIGH	17
#define R_ALPHA_GPRELLOW	18
#define R_ALPHA_IMMED_GP_16	19
#define R_ALPHA_IMMED_GP_HI32	20
#define R_ALPHA_IMMED_SCN_HI32	21
#define R_ALPHA_IMMED_BR_HI32	22
#define R_ALPHA_IMMED_LO32	23
#define R_ALPHA_COPY		24	/* Copy symbol at runtime */
#define R_ALPHA_GLOB_DAT	25	/* Create GOT entry */
#define R_ALPHA_JMP_SLOT	26	/* Create PLT entry */
#define R_ALPHA_RELATIVE	27	/* Adjust by program base */
/* Keep this the last entry.  */
#define R_ALPHA_NUM		28


/* PowerPC specific declarations */

/* PowerPC relocations defined by the ABIs */
#define R_PPC_NONE		0
#define R_PPC_ADDR32		1	/* 32bit absolute address */
#define R_PPC_ADDR24		2	/* 26bit address, 2 bits ignored.  */
#define R_PPC_ADDR16		3	/* 16bit absolute address */
#define R_PPC_ADDR16_LO		4	/* lower 16bit of absolute address */
#define R_PPC_ADDR16_HI		5	/* high 16bit of absolute address */
#define R_PPC_ADDR16_HA		6	/* adjusted high 16bit */
#define R_PPC_ADDR14		7	/* 16bit address, 2 bits ignored */
#define R_PPC_ADDR14_BRTAKEN	8
#define R_PPC_ADDR14_BRNTAKEN	9
#define R_PPC_REL24		10	/* PC relative 26 bit */
#define R_PPC_REL14		11	/* PC relative 16 bit */
#define R_PPC_REL14_BRTAKEN	12
#define R_PPC_REL14_BRNTAKEN	13
#define R_PPC_GOT16		14
#define R_PPC_GOT16_LO		15
#define R_PPC_GOT16_HI		16
#define R_PPC_GOT16_HA		17
#define R_PPC_PLTREL24		18
#define R_PPC_COPY		19
#define R_PPC_GLOB_DAT		20
#define R_PPC_JMP_SLOT		21
#define R_PPC_RELATIVE		22
#define R_PPC_LOCAL24PC		23
#define R_PPC_UADDR32		24
#define R_PPC_UADDR16		25
#define R_PPC_REL32		26
#define R_PPC_PLT32		27
#define R_PPC_PLTREL32		28
#define R_PPC_PLT16_LO		29
#define R_PPC_PLT16_HI		30
#define R_PPC_PLT16_HA		31
#define R_PPC_SDAREL16		32
#define R_PPC_SECTOFF		33
#define R_PPC_SECTOFF_LO	34
#define R_PPC_SECTOFF_HI	35
#define R_PPC_SECTOFF_HA	36
/* Keep this the last entry.  */
#define R_PPC_NUM		37

/* The remaining relocs are from the Embedded ELF ABI, and are not
   in the SVR4 ELF ABI.  */
#define R_PPC_EMB_NADDR32	101
#define R_PPC_EMB_NADDR16	102
#define R_PPC_EMB_NADDR16_LO	103
#define R_PPC_EMB_NADDR16_HI	104
#define R_PPC_EMB_NADDR16_HA	105
#define R_PPC_EMB_SDAI16	106
#define R_PPC_EMB_SDA2I16	107
#define R_PPC_EMB_SDA2REL	108
#define R_PPC_EMB_SDA21		109	/* 16 bit offset in SDA */
#define R_PPC_EMB_MRKREF	110
#define R_PPC_EMB_RELSEC16	111
#define R_PPC_EMB_RELST_LO	112
#define R_PPC_EMB_RELST_HI	113
#define R_PPC_EMB_RELST_HA	114
#define R_PPC_EMB_BIT_FLD	115
#define R_PPC_EMB_RELSDA	116	/* 16 bit relative offset in SDA */

/* Diab tool relocations.  */
#define R_PPC_DIAB_SDA21_LO	180	/* like EMB_SDA21, but lower 16 bit */
#define R_PPC_DIAB_SDA21_HI	181	/* like EMB_SDA21, but high 16 bit */
#define R_PPC_DIAB_SDA21_HA	182	/* like EMB_SDA21, adjusted high 16 */
#define R_PPC_DIAB_RELSDA_LO	183	/* like EMB_RELSDA, but lower 16 bit */
#define R_PPC_DIAB_RELSDA_HI	184	/* like EMB_RELSDA, but high 16 bit */
#define R_PPC_DIAB_RELSDA_HA	185	/* like EMB_RELSDA, adjusted high 16 */

/* This is a phony reloc to handle any old fashioned TOC16 references
   that may still be in object files.  */
#define R_PPC_TOC16		255


/* ARM specific declarations */

/* ARM relocs.  */

#define R_ARM_NONE	0		/* No reloc */
#define R_ARM_PC24	1		/* PC relative 26 bit branch */
#define R_ARM_ABS32	2		/* Direct 32 bit  */
#define R_ARM_REL32	3		/* PC relative 32 bit */
#define R_ARM_ABS8	4
#define R_ARM_ABS16	5
#define R_ARM_ABS12	6
#define R_ARM_THM_ABS5	7
#define R_ARM_THM_PC22	8
#define R_ARM_SBREL32	9
#define R_ARM_AMP_VCALL9 10
#define R_ARM_THM_PC11	11
#define R_ARM_THM_PC9	12
#define R_ARM_COPY	20		/* Copy symbol at runtime */
#define R_ARM_GLOB_DAT	21		/* Create GOT entry */
#define R_ARM_JUMP_SLOT	22		/* Create PLT entry */
#define R_ARM_RELATIVE	23		/* Adjust by program base */
#define R_ARM_GOTOFF	24		/* 32 bit offset to GOT */
#define R_ARM_GOTPC	25		/* 32 bit PC relative offset to GOT */
#define R_ARM_GOT32	26		/* 32 bit GOT entry */
#define R_ARM_PLT32	27		/* 32 bit PLT address */
/* Keep this the last entry.  */
#define R_ARM_NUM	28

__END_DECLS

#endif	/* elf.h */