[deliverable/binutils-gdb.git] / include / elf / common.h

/* ELF support for BFD.
   Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.

   Written by Fred Fish @ Cygnus Support, from information published
   in "UNIX System V Release 4, Programmers Guide: ANSI C and
   Programming Support Tools".

This file is part of BFD, the Binary File Descriptor library.

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

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */


/* This file is part of ELF support for BFD, and contains the portions
   that are common to both the internal and external representations.
   For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)
   and external (in-file) representations. */

#ifndef _ELF_COMMON_H
#define _ELF_COMMON_H   

/* Fields in e_ident[] */

#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 */
#define ELFCLASSNONE	0		/* Invalid class */
#define ELFCLASS32	1		/* 32-bit objects */
#define ELFCLASS64	2		/* 64-bit objects */

#define EI_DATA		5		/* Data encoding */
#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 */

#define EI_PAD		7		/* Start of padding bytes */


/* Values for e_type, which identifies the 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 */

/* Values for e_machine, which identifies the 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_860		7	/* Intel 80860 */
#define EM_MIPS		8	/* MIPS R3000 (officially, big-endian only) */

#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 */

#define EM_SPARC32PLUS 18	/* Sun's "v8plus" */

#define EM_PPC	       20	/* PowerPC */

#define EM_SH	       42	/* Hitachi SH */

/* 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.

   NOTE: Do not just increment the most recent number by one.
   Somebody else somewhere will do exactly the same thing, and you
   will have a collision.  Instead, pick a random number.  */

/* Cygnus PowerPC ELF backend.  Written in the absence of an ABI.  */
#define EM_CYGNUS_POWERPC 0x9025

/* Old version of PowerPC, this should be removed shortly. */
#define EM_PPC_OLD	17

/* Cygnus ARC ELF backend.  Written in the absence of an ABI.  */
#define EM_CYGNUS_ARC 0x9040

/* Cygnus M32R ELF backend.  Written in the absence of an ABI.  */
#define EM_CYGNUS_M32R 0x9041

/* Alpha backend magic number.  Written in the absence of an ABI.  */
#define EM_ALPHA	0x9026

/* D10V backend magic number.  Written in the absence of an ABI.  */
#define EM_CYGNUS_D10V	0x7650

/* start-sanitize-d30v */
/* D30V backend magic number.  Written in the absence of an ABI.  */
#define EM_CYGNUS_D30V	0x7676
/* end-sanitize-d30v */

/* start-sanitize-v850 */
/* V850 backend magic number.  Written in the absense of an ABI.  */
#define EM_CYGNUS_V850	0x9080
/* start-sanitize-v850e */
#define EM_CYGNUS_V850E	0x908e
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
#define EM_CYGNUS_V850EQ	0x908f
/* end-sanitize-v850eq */
/* end-sanitize-v850 */

/* mn10200 and mn10300 backend magic numbers.
   Written in the absense of an ABI.  */
#define EM_CYGNUS_MN10200	0xdead
#define EM_CYGNUS_MN10300	0xbeef

/* See the above comment before you add a new EM_* value here.  */

/* Values for e_version */

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

/* Values for program header, p_type field */

#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, unspecified semantics */
#define PT_PHDR		6		/* Entry for header table itself */
#define PT_LOPROC	0x70000000	/* Processor-specific */
#define PT_HIPROC	0x7FFFFFFF	/* Processor-specific */

/* Program segment permissions, in program header p_flags field */

#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 reserved bits */

/* Values for section header, sh_type field */

#define SHT_NULL	0		/* Section header table entry unused */
#define SHT_PROGBITS	1		/* Program specific (private) data */
#define SHT_SYMTAB	2		/* Link editing symbol table */
#define SHT_STRTAB	3		/* A string table */
#define SHT_RELA	4		/* Relocation entries with addends */
#define SHT_HASH	5		/* A symbol hash table */
#define SHT_DYNAMIC	6		/* Information for dynamic linking */
#define SHT_NOTE	7		/* Information that marks file */
#define SHT_NOBITS	8		/* Section occupies no space in file */
#define SHT_REL		9		/* Relocation entries, no addends */
#define SHT_SHLIB	10		/* Reserved, unspecified semantics */
#define SHT_DYNSYM	11		/* Dynamic linking symbol table */

/* The next three section types are defined by Solaris, and are named
   SHT_SUNW*.  We use them in GNU code, so we also define SHT_GNU*
   versions.  */
#define SHT_SUNW_verdef	0x6ffffffd	/* Versions defined by file */
#define SHT_SUNW_verneed 0x6ffffffe	/* Versions needed by file */
#define SHT_SUNW_versym	0x6fffffff	/* Symbol versions */

#define SHT_GNU_verdef	SHT_SUNW_verdef
#define SHT_GNU_verneed	SHT_SUNW_verneed
#define SHT_GNU_versym	SHT_SUNW_versym

#define SHT_LOPROC	0x70000000	/* Processor-specific semantics, lo */
#define SHT_HIPROC	0x7FFFFFFF	/* Processor-specific semantics, hi */
#define SHT_LOUSER	0x80000000	/* Application-specific semantics */
#define SHT_HIUSER	0x8FFFFFFF	/* Application-specific semantics */

/* Values for section header, sh_flags field */

#define SHF_WRITE	(1 << 0)	/* Writable data during execution */
#define SHF_ALLOC	(1 << 1)	/* Occupies memory during execution */
#define SHF_EXECINSTR	(1 << 2)	/* Executable machine instructions */
#define SHF_MASKPROC	0xF0000000	/* Processor-specific semantics */

/* Values of 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 */

/* Values of note segment descriptor types for object files.  */
/* (Only for hppa right now.  Should this be moved elsewhere?)  */

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

/* These three macros disassemble and assemble a symbol table st_info field,
   which contains the symbol binding and symbol type.  The STB_ and STT_
   defines identify the binding and type. */

#define ELF_ST_BIND(val)		(((unsigned int)(val)) >> 4)
#define ELF_ST_TYPE(val)		((val) & 0xF)
#define ELF_ST_INFO(bind,type)		(((bind) << 4) + ((type) & 0xF))

#define STN_UNDEF	0		/* undefined symbol index */

#define STB_LOCAL	0		/* Symbol not visible outside obj */
#define STB_GLOBAL	1		/* Symbol visible outside obj */
#define STB_WEAK	2		/* Like globals, lower precedence */
#define STB_LOPROC	13		/* Application-specific semantics */
#define STB_HIPROC	15		/* Application-specific semantics */

#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 gives a file name */
#define STT_LOPROC	13		/* Application-specific semantics */
#define STT_HIPROC	15		/* Application-specific semantics */

/* Special section indices, which may show up in st_shndx fields, among
   other places. */

#define SHN_UNDEF	0		/* Undefined section reference */
#define SHN_LORESERVE	0xFF00		/* Begin range of reserved indices */
#define SHN_LOPROC	0xFF00		/* Begin range of appl-specific */
#define SHN_HIPROC	0xFF1F		/* End range of appl-specific */
#define SHN_ABS		0xFFF1		/* Associated symbol is absolute */
#define SHN_COMMON	0xFFF2		/* Associated symbol is in common */
#define SHN_HIRESERVE	0xFFFF		/* End range of reserved indices */

/* relocation info handling macros */

#define ELF32_R_SYM(i)		((i) >> 8)
#define ELF32_R_TYPE(i)		((i) & 0xff)
#define ELF32_R_INFO(s,t)	(((s) << 8) + ((t) & 0xff))

#define ELF64_R_SYM(i)		((i) >> 32)
#define ELF64_R_TYPE(i)		((i) & 0xffffffff)
#define ELF64_R_INFO(s,t)	(((bfd_vma) (s) << 32) + (bfd_vma) (t))

/* Dynamic section tags */

#define DT_NULL		0
#define DT_NEEDED	1
#define DT_PLTRELSZ	2
#define DT_PLTGOT	3
#define DT_HASH		4
#define DT_STRTAB	5
#define DT_SYMTAB	6
#define DT_RELA		7
#define DT_RELASZ	8
#define DT_RELAENT	9
#define DT_STRSZ	10
#define DT_SYMENT	11
#define DT_INIT		12
#define DT_FINI		13
#define DT_SONAME	14
#define DT_RPATH	15
#define DT_SYMBOLIC	16
#define DT_REL		17
#define DT_RELSZ	18
#define DT_RELENT	19
#define DT_PLTREL	20
#define DT_DEBUG	21
#define DT_TEXTREL	22
#define DT_JMPREL	23

/* The next four dynamic tags are used on Solaris.  We support them
   everywhere.  */
#define DT_VERDEF	0x6ffffffc
#define DT_VERDEFNUM	0x6ffffffd
#define DT_VERNEED	0x6ffffffe
#define DT_VERNEEDNUM	0x6fffffff

/* This tag is a GNU extension to the Solaris version scheme.  */
#define DT_VERSYM	0x6ffffff0

#define DT_LOPROC	0x70000000
#define DT_HIPROC	0x7fffffff

/* These section tags are used on Solaris.  We support them
   everywhere, and hope they do not conflict.  */

#define DT_AUXILIARY	0x7ffffffd
#define DT_FILTER	0x7fffffff

/* These constants are used for the version number of a Elf32_Verdef
   structure.  */

#define VER_DEF_NONE		0
#define VER_DEF_CURRENT		1

/* These constants appear in the vd_flags field of a Elf32_Verdef
   structure.  */

#define VER_FLG_BASE		0x1
#define VER_FLG_WEAK		0x2

/* These special constants can be found in an Elf32_Versym field.  */

#define VER_NDX_LOCAL		0
#define VER_NDX_GLOBAL		1

/* These constants are used for the version number of a Elf32_Verneed
   structure.  */

#define VER_NEED_NONE		0
#define VER_NEED_CURRENT	1

/* This flag appears in a Versym structure.  It means that the symbol
   is hidden, and is only visible with an explicit version number.
   This is a GNU extension.  */

#define VERSYM_HIDDEN		0x8000

/* This is the mask for the rest of the Versym information.  */

#define VERSYM_VERSION		0x7fff

/* This is a special token which appears as part of a symbol name.  It
   indictes that the rest of the name is actually the name of a
   version node, and is not part of the actual name.  This is a GNU
   extension.  For example, the symbol name `stat@ver2' is taken to
   mean the symbol `stat' in version `ver2'.  */

#define ELF_VER_CHR	'@'

#endif /* _ELF_COMMON_H */
Commit	Line	Data
c5053360	1	/* ELF support for BFD.
56c4200b	2	Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
c5053360 FF	3
	4	Written by Fred Fish @ Cygnus Support, from information published
	5	in "UNIX System V Release 4, Programmers Guide: ANSI C and
	6	Programming Support Tools".
	7
	8	This file is part of BFD, the Binary File Descriptor library.
	9
	10	This program is free software; you can redistribute it and/or modify
	11	it under the terms of the GNU General Public License as published by
	12	the Free Software Foundation; either version 2 of the License, or
	13	(at your option) any later version.
	14
	15	This program is distributed in the hope that it will be useful,
	16	but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	GNU General Public License for more details.
	19
	20	You should have received a copy of the GNU General Public License
	21	along with this program; if not, write to the Free Software
e46bbae2	22	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
c5053360 FF	23
	24
	25	/* This file is part of ELF support for BFD, and contains the portions
	26	that are common to both the internal and external representations.
	27	For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)
	28	and external (in-file) representations. */
e46bbae2 DE	29
	30	#ifndef _ELF_COMMON_H
	31	#define _ELF_COMMON_H
c5053360 FF	32
	33	/* Fields in e_ident[] */
	34
	35	#define EI_MAG0 0 /* File identification byte 0 index */
	36	#define ELFMAG0 0x7F /* Magic number byte 0 */
	37
	38	#define EI_MAG1 1 /* File identification byte 1 index */
	39	#define ELFMAG1 'E' /* Magic number byte 1 */
	40
	41	#define EI_MAG2 2 /* File identification byte 2 index */
	42	#define ELFMAG2 'L' /* Magic number byte 2 */
	43
	44	#define EI_MAG3 3 /* File identification byte 3 index */
	45	#define ELFMAG3 'F' /* Magic number byte 3 */
	46
	47	#define EI_CLASS 4 /* File class */
	48	#define ELFCLASSNONE 0 /* Invalid class */
	49	#define ELFCLASS32 1 /* 32-bit objects */
	50	#define ELFCLASS64 2 /* 64-bit objects */
	51
	52	#define EI_DATA 5 /* Data encoding */
	53	#define ELFDATANONE 0 /* Invalid data encoding */
	54	#define ELFDATA2LSB 1 /* 2's complement, little endian */
	55	#define ELFDATA2MSB 2 /* 2's complement, big endian */
	56
	57	#define EI_VERSION 6 /* File version */
	58
	59	#define EI_PAD 7 /* Start of padding bytes */
	60
	61
	62	/* Values for e_type, which identifies the object file type */
	63
	64	#define ET_NONE 0 /* No file type */
	65	#define ET_REL 1 /* Relocatable file */
	66	#define ET_EXEC 2 /* Executable file */
	67	#define ET_DYN 3 /* Shared object file */
	68	#define ET_CORE 4 /* Core file */
	69	#define ET_LOPROC 0xFF00 /* Processor-specific */
	70	#define ET_HIPROC 0xFFFF /* Processor-specific */
	71
	72	/* Values for e_machine, which identifies the architecture */
	73
e46bbae2 DE	74	#define EM_NONE 0 /* No machine */
	75	#define EM_M32 1 /* AT&T WE 32100 */
	76	#define EM_SPARC 2 /* SUN SPARC */
	77	#define EM_386 3 /* Intel 80386 */
	78	#define EM_68K 4 /* Motorola m68k family */
	79	#define EM_88K 5 /* Motorola m88k family */
	80	#define EM_860 7 /* Intel 80860 */
	81	#define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
	82
	83	#define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
	84
	85	#define EM_SPARC64 11 /* SPARC v9 (not official) 64-bit */
	86
	87	#define EM_PARISC 15 /* HPPA */
df9bd7f6	88
e46bbae2	89	#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
df9bd7f6	90
e46bbae2 DE	91	#define EM_PPC 20 /* PowerPC */
e46bbae2 DE	92
4b7cbcf9 JL	93	#define EM_SH 42 /* Hitachi SH */
4b7cbcf9 JL	94
e46bbae2 DE	95	/* If it is necessary to assign new unofficial EM_* values, please pick large
e46bbae2 DE	96	random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
f4fcd63f ILT	97	with official or non-GNU unofficial values.
	98
	99	NOTE: Do not just increment the most recent number by one.
	100	Somebody else somewhere will do exactly the same thing, and you
	101	will have a collision. Instead, pick a random number. */
e46bbae2 DE	102
	103	/* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */
	104	#define EM_CYGNUS_POWERPC 0x9025
	105
	106	/* Old version of PowerPC, this should be removed shortly. */
	107	#define EM_PPC_OLD 17
	108
e46bbae2	109	/* Cygnus ARC ELF backend. Written in the absence of an ABI. */
6fb197de	110	#define EM_CYGNUS_ARC 0x9040
c5053360	111
1252987a DE	112	/* Cygnus M32R ELF backend. Written in the absence of an ABI. */
1252987a DE	113	#define EM_CYGNUS_M32R 0x9041
1252987a	114
6fb197de MH	115	/* Alpha backend magic number. Written in the absence of an ABI. */
	116	#define EM_ALPHA 0x9026
	117
6fb197de	118	/* D10V backend magic number. Written in the absence of an ABI. */
1252987a	119	#define EM_CYGNUS_D10V 0x7650
6fb197de	120
3acdeb5e MH	121	/* start-sanitize-d30v */
	122	/* D30V backend magic number. Written in the absence of an ABI. */
	123	#define EM_CYGNUS_D30V 0x7676
	124	/* end-sanitize-d30v */
	125
4b7cbcf9 JL	126	/* start-sanitize-v850 */
	127	/* V850 backend magic number. Written in the absense of an ABI. */
	128	#define EM_CYGNUS_V850 0x9080
01aba636 NC	129	/* start-sanitize-v850e */
	130	#define EM_CYGNUS_V850E 0x908e
	131	/* end-sanitize-v850e */
	132	/* start-sanitize-v850eq */
	133	#define EM_CYGNUS_V850EQ 0x908f
	134	/* end-sanitize-v850eq */
4b7cbcf9 JL	135	/* end-sanitize-v850 */
4b7cbcf9 JL	136
3acdeb5e MH	137	/* mn10200 and mn10300 backend magic numbers.
	138	Written in the absense of an ABI. */
	139	#define EM_CYGNUS_MN10200 0xdead
	140	#define EM_CYGNUS_MN10300 0xbeef
4b7cbcf9	141
f4fcd63f ILT	142	/* See the above comment before you add a new EM_* value here. */
f4fcd63f ILT	143
c5053360 FF	144	/* Values for e_version */
	145
	146	#define EV_NONE 0 /* Invalid ELF version */
	147	#define EV_CURRENT 1 /* Current version */
	148
	149	/* Values for program header, p_type field */
	150
	151	#define PT_NULL 0 /* Program header table entry unused */
	152	#define PT_LOAD 1 /* Loadable program segment */
	153	#define PT_DYNAMIC 2 /* Dynamic linking information */
	154	#define PT_INTERP 3 /* Program interpreter */
	155	#define PT_NOTE 4 /* Auxiliary information */
	156	#define PT_SHLIB 5 /* Reserved, unspecified semantics */
	157	#define PT_PHDR 6 /* Entry for header table itself */
	158	#define PT_LOPROC 0x70000000 /* Processor-specific */
	159	#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
	160
	161	/* Program segment permissions, in program header p_flags field */
	162
	163	#define PF_X (1 << 0) /* Segment is executable */
	164	#define PF_W (1 << 1) /* Segment is writable */
	165	#define PF_R (1 << 2) /* Segment is readable */
	166	#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
	167
	168	/* Values for section header, sh_type field */
	169
	170	#define SHT_NULL 0 /* Section header table entry unused */
	171	#define SHT_PROGBITS 1 /* Program specific (private) data */
	172	#define SHT_SYMTAB 2 /* Link editing symbol table */
	173	#define SHT_STRTAB 3 /* A string table */
	174	#define SHT_RELA 4 /* Relocation entries with addends */
	175	#define SHT_HASH 5 /* A symbol hash table */
	176	#define SHT_DYNAMIC 6 /* Information for dynamic linking */
	177	#define SHT_NOTE 7 /* Information that marks file */
	178	#define SHT_NOBITS 8 /* Section occupies no space in file */
	179	#define SHT_REL 9 /* Relocation entries, no addends */
	180	#define SHT_SHLIB 10 /* Reserved, unspecified semantics */
	181	#define SHT_DYNSYM 11 /* Dynamic linking symbol table */
56c4200b ILT	182
	183	/* The next three section types are defined by Solaris, and are named
	184	SHT_SUNW. We use them in GNU code, so we also define SHT_GNU
	185	versions. */
	186	#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
	187	#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
	188	#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
	189
	190	#define SHT_GNU_verdef SHT_SUNW_verdef
	191	#define SHT_GNU_verneed SHT_SUNW_verneed
	192	#define SHT_GNU_versym SHT_SUNW_versym
	193
c5053360 FF	194	#define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */
	195	#define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
	196	#define SHT_LOUSER 0x80000000 /* Application-specific semantics */
	197	#define SHT_HIUSER 0x8FFFFFFF /* Application-specific semantics */
	198
	199	/* Values for section header, sh_flags field */
	200
	201	#define SHF_WRITE (1 << 0) /* Writable data during execution */
	202	#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
	203	#define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */
	204	#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
	205
	206	/* Values of note segment descriptor types for core files. */
	207
	208	#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
	209	#define NT_FPREGSET 2 /* Contains copy of fpregset struct */
	210	#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
	211
e46bbae2 DE	212	/* Values of note segment descriptor types for object files. */
	213	/* (Only for hppa right now. Should this be moved elsewhere?) */
	214
	215	#define NT_VERSION 1 /* Contains a version string. */
	216
c5053360 FF	217	/* These three macros disassemble and assemble a symbol table st_info field,
	218	which contains the symbol binding and symbol type. The STB_ and STT_
	219	defines identify the binding and type. */
	220
	221	#define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4)
	222	#define ELF_ST_TYPE(val) ((val) & 0xF)
	223	#define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF))
	224
e46bbae2 DE	225	#define STN_UNDEF 0 /* undefined symbol index */
e46bbae2 DE	226
c5053360 FF	227	#define STB_LOCAL 0 /* Symbol not visible outside obj */
	228	#define STB_GLOBAL 1 /* Symbol visible outside obj */
	229	#define STB_WEAK 2 /* Like globals, lower precedence */
	230	#define STB_LOPROC 13 /* Application-specific semantics */
	231	#define STB_HIPROC 15 /* Application-specific semantics */
	232
	233	#define STT_NOTYPE 0 /* Symbol type is unspecified */
	234	#define STT_OBJECT 1 /* Symbol is a data object */
	235	#define STT_FUNC 2 /* Symbol is a code object */
	236	#define STT_SECTION 3 /* Symbol associated with a section */
	237	#define STT_FILE 4 /* Symbol gives a file name */
	238	#define STT_LOPROC 13 /* Application-specific semantics */
	239	#define STT_HIPROC 15 /* Application-specific semantics */
	240
	241	/* Special section indices, which may show up in st_shndx fields, among
	242	other places. */
	243
	244	#define SHN_UNDEF 0 /* Undefined section reference */
e46bbae2	245	#define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */
c5053360 FF	246	#define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */
	247	#define SHN_HIPROC 0xFF1F /* End range of appl-specific */
	248	#define SHN_ABS 0xFFF1 /* Associated symbol is absolute */
	249	#define SHN_COMMON 0xFFF2 /* Associated symbol is in common */
	250	#define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */
	251
	252	/* relocation info handling macros */
	253
e46bbae2 DE	254	#define ELF32_R_SYM(i) ((i) >> 8)
	255	#define ELF32_R_TYPE(i) ((i) & 0xff)
	256	#define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff))
	257
	258	#define ELF64_R_SYM(i) ((i) >> 32)
	259	#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
	260	#define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 32) + (bfd_vma) (t))
	261
	262	/* Dynamic section tags */
	263
	264	#define DT_NULL 0
	265	#define DT_NEEDED 1
	266	#define DT_PLTRELSZ 2
	267	#define DT_PLTGOT 3
	268	#define DT_HASH 4
	269	#define DT_STRTAB 5
	270	#define DT_SYMTAB 6
	271	#define DT_RELA 7
	272	#define DT_RELASZ 8
	273	#define DT_RELAENT 9
	274	#define DT_STRSZ 10
	275	#define DT_SYMENT 11
	276	#define DT_INIT 12
	277	#define DT_FINI 13
	278	#define DT_SONAME 14
	279	#define DT_RPATH 15
	280	#define DT_SYMBOLIC 16
	281	#define DT_REL 17
	282	#define DT_RELSZ 18
	283	#define DT_RELENT 19
	284	#define DT_PLTREL 20
	285	#define DT_DEBUG 21
	286	#define DT_TEXTREL 22
	287	#define DT_JMPREL 23
56c4200b ILT	288
	289	/* The next four dynamic tags are used on Solaris. We support them
	290	everywhere. */
	291	#define DT_VERDEF 0x6ffffffc
	292	#define DT_VERDEFNUM 0x6ffffffd
	293	#define DT_VERNEED 0x6ffffffe
	294	#define DT_VERNEEDNUM 0x6fffffff
	295
	296	/* This tag is a GNU extension to the Solaris version scheme. */
	297	#define DT_VERSYM 0x6ffffff0
	298
e46bbae2 DE	299	#define DT_LOPROC 0x70000000
	300	#define DT_HIPROC 0x7fffffff
	301
3acdeb5e MH	302	/* These section tags are used on Solaris. We support them
	303	everywhere, and hope they do not conflict. */
	304
	305	#define DT_AUXILIARY 0x7ffffffd
	306	#define DT_FILTER 0x7fffffff
	307
56c4200b ILT	308	/* These constants are used for the version number of a Elf32_Verdef
	309	structure. */
	310
	311	#define VER_DEF_NONE 0
	312	#define VER_DEF_CURRENT 1
	313
	314	/* These constants appear in the vd_flags field of a Elf32_Verdef
	315	structure. */
	316
	317	#define VER_FLG_BASE 0x1
	318	#define VER_FLG_WEAK 0x2
	319
	320	/* These special constants can be found in an Elf32_Versym field. */
	321
	322	#define VER_NDX_LOCAL 0
	323	#define VER_NDX_GLOBAL 1
	324
	325	/* These constants are used for the version number of a Elf32_Verneed
	326	structure. */
	327
	328	#define VER_NEED_NONE 0
	329	#define VER_NEED_CURRENT 1
	330
01aba636 NC	331	/* This flag appears in a Versym structure. It means that the symbol
	332	is hidden, and is only visible with an explicit version number.
	333	This is a GNU extension. */
	334
	335	#define VERSYM_HIDDEN 0x8000
	336
	337	/* This is the mask for the rest of the Versym information. */
	338
	339	#define VERSYM_VERSION 0x7fff
	340
56c4200b ILT	341	/* This is a special token which appears as part of a symbol name. It
	342	indictes that the rest of the name is actually the name of a
	343	version node, and is not part of the actual name. This is a GNU
	344	extension. For example, the symbol name `stat@ver2' is taken to
	345	mean the symbol `stat' in version `ver2'. */
	346
	347	#define ELF_VER_CHR '@'
	348
e46bbae2	349	#endif /* _ELF_COMMON_H */