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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /elf/elf.h
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
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initial import
Diffstat (limited to 'elf/elf.h')
-rw-r--r--elf/elf.h587
1 files changed, 587 insertions, 0 deletions
diff --git a/elf/elf.h b/elf/elf.h
new file mode 100644
index 0000000000..452b5c92d9
--- /dev/null
+++ b/elf/elf.h
@@ -0,0 +1,587 @@
+/* This file defines standard ELF types, structures, and macros.
+Copyright (C) 1995 Free Software Foundation, Inc.
+Contributed by Ian Lance Taylor (ian@cygnus.com).
+
+This file is part of the GNU C Library.
+
+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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#ifndef _ELF_H
+#define	_ELF_H 1
+
+
+/* Standard ELF types.
+
+   Using __attribute__ mode ensures that gcc will choose the right for
+   these types.  */
+
+typedef unsigned int Elf32_Addr    __attribute__ ((mode (SI)));
+typedef unsigned int Elf32_Half    __attribute__ ((mode (HI)));
+typedef unsigned int Elf32_Off     __attribute__ ((mode (SI)));
+typedef		 int Elf32_Sword   __attribute__ ((mode (SI)));
+typedef unsigned int Elf32_Word    __attribute__ ((mode (SI)));
+
+/* 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;
+
+/* 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 */
+
+#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 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 EI_VERSION	6		/* File version byte index */
+					/* Value must be EV_CURRENT */
+
+#define EI_PAD		7		/* 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_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		/* Amdhal */
+#define EM_MIPS_RS4_BE 10		/* MIPS R4000 big-endian */
+
+#define EM_SPARC64     11		/* SPARC v9 (not official) 64-bit */
+
+#define EM_PARISC      15		/* HPPA */
+
+/* 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.  */
+
+/* Legal values for e_version (version).  */
+
+#define EV_NONE		0		/* Invalid ELF version */
+#define EV_CURRENT	1		/* Current version */
+
+/* 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;
+
+/* 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_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_Half	st_shndx;		/* Section index */
+} Elf32_Sym;
+
+/* Special symbol index.  */
+
+#define STN_UNDEF	0		/* 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))
+
+/* 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_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_LOPROC	13		/* Start of processor-specific */
+#define STT_HIPROC	15		/* End of processor-specific */
+
+/* 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;
+
+/* 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;
+
+/* 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))
+
+/* 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;
+
+/* 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_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 */
+
+/* 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;
+
+/* 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_LOPROC	0x70000000	/* Start of processor-specific */
+#define DT_HIPROC	0x7fffffff	/* End of processor-specific */
+
+/* Standard 64 bit ELF types.  */
+
+typedef unsigned int Elf64_Addr    __attribute__ ((mode (DI)));
+typedef unsigned int Elf64_Half    __attribute__ ((mode (HI)));
+typedef unsigned int Elf64_Off     __attribute__ ((mode (DI)));
+typedef		 int Elf64_Sword   __attribute__ ((mode (SI)));
+typedef		 int Elf64_Sxword  __attribute__ ((mode (DI)));
+typedef unsigned int Elf64_Word    __attribute__ ((mode (SI)));
+typedef unsigned int Elf64_Xword   __attribute__ ((mode (DI)));
+typedef unsigned int Elf64_Byte    __attribute__ ((mode (QI)));
+typedef unsigned int Elf64_Section __attribute__ ((mode (HI)));
+
+/* 64 bit ELF file header.  */
+
+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;
+
+/* 64 bit section header.  */
+
+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;
+
+/* 64 bit symbol table entry.  */
+
+typedef struct
+{
+  Elf64_Word	st_name;		/* Symbol name (string tbl index) */
+  Elf64_Byte	st_info;		/* Symbol type and binding */
+  Elf64_Byte	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;
+
+/* The 64 bit st_info field is the same as the 32 bit one.  */
+
+#define ELF64_ST_BIND(val)		(((unsigned char) (val)) >> 4)
+#define ELF64_ST_TYPE(val)		((val) & 0xf)
+#define ELF64_ST_INFO(bind, type)	(((bind) << 4) + ((type) & 0xf))
+
+/* 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.  */
+
+/* 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 a_val;			/* Integer value */
+      void *a_ptr;			/* Pointer value */
+      void (*a_fcn) ();			/* Function pointer value */
+    } a_un;
+} Elf32_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		/* Read gid */
+#define AT_EGID		14		/* Effective gid */
+
+/* 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 */
+
+/* SUN SPARC specific definitions.  */
+
+/* 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 */
+
+/* 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_ARCH	  0xf0000000	/* MIPS architecture level */
+
+/* Special section indices.  */
+
+#define SHN_MIPS_ACOMMON 0xff00		/* Allocated common 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_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 */
+
+/* Legal values for sh_flags field of Elf32_Shdr.  */
+
+#define SHF_MIPS_GPREL	0x10000000	/* Must be part of global data area */
+
+/* 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;
+
+/* 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 */
+
+/* Legal values for p_type field of Elf32_Phdr.  */
+
+#define PT_MIPS_REGINFO	0x70000000	/* Regiser usage information */
+
+/* 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_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 */
+
+/* Legal values for DT_MIPS_FLAG 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 */
+
+/* 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;
+
+/* Legal values for l_flags.  */
+
+#define LL_EXACT_MATCH	  (1 << 0)	/* Require exact match */
+#define LL_IGNORE_INT_VER (1 << 1)	/* Ignore interface version */
+
+/* Entries found in sections of type SHT_MIPS_CONFLICT.  */
+
+typedef Elf32_Addr Elf32_Conflict;
+
+
+#endif	/* elf.h */