[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_PARISC      15	/* HPPA */

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

#define EM_PPC	       20	/* PowerPC */

#define EM_ARM	       40	/* ARM */

#define EM_SH	       42	/* Hitachi SH */

#define EM_SPARCV9     43	/* SPARC v9 64-bit */

/* 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 Sparc v9, from before the ABI; this should be
   removed shortly.  */
#define EM_OLD_SPARCV9	11

/* 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 */

/* V850 backend magic number.  Written in the absense of an ABI.  */
#define EM_CYGNUS_V850	0x9080

/* 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
e46bbae2	85	#define EM_PARISC 15 /* HPPA */
df9bd7f6	86
e46bbae2	87	#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
df9bd7f6	88
e46bbae2 DE	89	#define EM_PPC 20 /* PowerPC */
e46bbae2 DE	90
4e707af3 NC	91	#define EM_ARM 40 /* ARM */
4e707af3 NC	92
4b7cbcf9 JL	93	#define EM_SH 42 /* Hitachi SH */
4b7cbcf9 JL	94
4e707af3 NC	95	#define EM_SPARCV9 43 /* SPARC v9 64-bit */
4e707af3 NC	96
e46bbae2 DE	97	/* If it is necessary to assign new unofficial EM_* values, please pick large
e46bbae2 DE	98	random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
f4fcd63f ILT	99	with official or non-GNU unofficial values.
	100
	101	NOTE: Do not just increment the most recent number by one.
	102	Somebody else somewhere will do exactly the same thing, and you
	103	will have a collision. Instead, pick a random number. */
e46bbae2 DE	104
	105	/* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */
	106	#define EM_CYGNUS_POWERPC 0x9025
	107
4e707af3 NC	108	/* Old version of Sparc v9, from before the ABI; this should be
	109	removed shortly. */
	110	#define EM_OLD_SPARCV9 11
	111
e46bbae2 DE	112	/* Old version of PowerPC, this should be removed shortly. */
	113	#define EM_PPC_OLD 17
	114
e46bbae2	115	/* Cygnus ARC ELF backend. Written in the absence of an ABI. */
6fb197de	116	#define EM_CYGNUS_ARC 0x9040
c5053360	117
1252987a DE	118	/* Cygnus M32R ELF backend. Written in the absence of an ABI. */
1252987a DE	119	#define EM_CYGNUS_M32R 0x9041
1252987a	120
6fb197de MH	121	/* Alpha backend magic number. Written in the absence of an ABI. */
	122	#define EM_ALPHA 0x9026
	123
6fb197de	124	/* D10V backend magic number. Written in the absence of an ABI. */
1252987a	125	#define EM_CYGNUS_D10V 0x7650
6fb197de	126
3acdeb5e MH	127	/* start-sanitize-d30v */
	128	/* D30V backend magic number. Written in the absence of an ABI. */
	129	#define EM_CYGNUS_D30V 0x7676
	130	/* end-sanitize-d30v */
	131
4b7cbcf9 JL	132	/* V850 backend magic number. Written in the absense of an ABI. */
4b7cbcf9 JL	133	#define EM_CYGNUS_V850 0x9080
4b7cbcf9	134
3acdeb5e MH	135	/* mn10200 and mn10300 backend magic numbers.
	136	Written in the absense of an ABI. */
	137	#define EM_CYGNUS_MN10200 0xdead
	138	#define EM_CYGNUS_MN10300 0xbeef
4b7cbcf9	139
f4fcd63f ILT	140	/* See the above comment before you add a new EM_* value here. */
f4fcd63f ILT	141
c5053360 FF	142	/* Values for e_version */
	143
	144	#define EV_NONE 0 /* Invalid ELF version */
	145	#define EV_CURRENT 1 /* Current version */
	146
	147	/* Values for program header, p_type field */
	148
	149	#define PT_NULL 0 /* Program header table entry unused */
	150	#define PT_LOAD 1 /* Loadable program segment */
	151	#define PT_DYNAMIC 2 /* Dynamic linking information */
	152	#define PT_INTERP 3 /* Program interpreter */
	153	#define PT_NOTE 4 /* Auxiliary information */
	154	#define PT_SHLIB 5 /* Reserved, unspecified semantics */
	155	#define PT_PHDR 6 /* Entry for header table itself */
	156	#define PT_LOPROC 0x70000000 /* Processor-specific */
	157	#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
	158
	159	/* Program segment permissions, in program header p_flags field */
	160
	161	#define PF_X (1 << 0) /* Segment is executable */
	162	#define PF_W (1 << 1) /* Segment is writable */
	163	#define PF_R (1 << 2) /* Segment is readable */
	164	#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
	165
	166	/* Values for section header, sh_type field */
	167
	168	#define SHT_NULL 0 /* Section header table entry unused */
	169	#define SHT_PROGBITS 1 /* Program specific (private) data */
	170	#define SHT_SYMTAB 2 /* Link editing symbol table */
	171	#define SHT_STRTAB 3 /* A string table */
	172	#define SHT_RELA 4 /* Relocation entries with addends */
	173	#define SHT_HASH 5 /* A symbol hash table */
	174	#define SHT_DYNAMIC 6 /* Information for dynamic linking */
	175	#define SHT_NOTE 7 /* Information that marks file */
	176	#define SHT_NOBITS 8 /* Section occupies no space in file */
	177	#define SHT_REL 9 /* Relocation entries, no addends */
	178	#define SHT_SHLIB 10 /* Reserved, unspecified semantics */
	179	#define SHT_DYNSYM 11 /* Dynamic linking symbol table */
56c4200b ILT	180
	181	/* The next three section types are defined by Solaris, and are named
	182	SHT_SUNW. We use them in GNU code, so we also define SHT_GNU
	183	versions. */
	184	#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
	185	#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
	186	#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
	187
	188	#define SHT_GNU_verdef SHT_SUNW_verdef
	189	#define SHT_GNU_verneed SHT_SUNW_verneed
	190	#define SHT_GNU_versym SHT_SUNW_versym
	191
c5053360 FF	192	#define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */
	193	#define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
	194	#define SHT_LOUSER 0x80000000 /* Application-specific semantics */
	195	#define SHT_HIUSER 0x8FFFFFFF /* Application-specific semantics */
	196
	197	/* Values for section header, sh_flags field */
	198
	199	#define SHF_WRITE (1 << 0) /* Writable data during execution */
	200	#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
	201	#define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */
	202	#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
	203
	204	/* Values of note segment descriptor types for core files. */
	205
	206	#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
	207	#define NT_FPREGSET 2 /* Contains copy of fpregset struct */
	208	#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
	209
e46bbae2 DE	210	/* Values of note segment descriptor types for object files. */
	211	/* (Only for hppa right now. Should this be moved elsewhere?) */
	212
	213	#define NT_VERSION 1 /* Contains a version string. */
	214
c5053360 FF	215	/* These three macros disassemble and assemble a symbol table st_info field,
	216	which contains the symbol binding and symbol type. The STB_ and STT_
	217	defines identify the binding and type. */
	218
	219	#define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4)
	220	#define ELF_ST_TYPE(val) ((val) & 0xF)
	221	#define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF))
	222
e46bbae2 DE	223	#define STN_UNDEF 0 /* undefined symbol index */
e46bbae2 DE	224
c5053360 FF	225	#define STB_LOCAL 0 /* Symbol not visible outside obj */
	226	#define STB_GLOBAL 1 /* Symbol visible outside obj */
	227	#define STB_WEAK 2 /* Like globals, lower precedence */
	228	#define STB_LOPROC 13 /* Application-specific semantics */
	229	#define STB_HIPROC 15 /* Application-specific semantics */
	230
	231	#define STT_NOTYPE 0 /* Symbol type is unspecified */
	232	#define STT_OBJECT 1 /* Symbol is a data object */
	233	#define STT_FUNC 2 /* Symbol is a code object */
	234	#define STT_SECTION 3 /* Symbol associated with a section */
	235	#define STT_FILE 4 /* Symbol gives a file name */
	236	#define STT_LOPROC 13 /* Application-specific semantics */
	237	#define STT_HIPROC 15 /* Application-specific semantics */
	238
	239	/* Special section indices, which may show up in st_shndx fields, among
	240	other places. */
	241
	242	#define SHN_UNDEF 0 /* Undefined section reference */
e46bbae2	243	#define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */
c5053360 FF	244	#define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */
	245	#define SHN_HIPROC 0xFF1F /* End range of appl-specific */
	246	#define SHN_ABS 0xFFF1 /* Associated symbol is absolute */
	247	#define SHN_COMMON 0xFFF2 /* Associated symbol is in common */
	248	#define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */
	249
	250	/* relocation info handling macros */
	251
e46bbae2 DE	252	#define ELF32_R_SYM(i) ((i) >> 8)
	253	#define ELF32_R_TYPE(i) ((i) & 0xff)
	254	#define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff))
	255
	256	#define ELF64_R_SYM(i) ((i) >> 32)
	257	#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
	258	#define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 32) + (bfd_vma) (t))
	259
	260	/* Dynamic section tags */
	261
	262	#define DT_NULL 0
	263	#define DT_NEEDED 1
	264	#define DT_PLTRELSZ 2
	265	#define DT_PLTGOT 3
	266	#define DT_HASH 4
	267	#define DT_STRTAB 5
	268	#define DT_SYMTAB 6
	269	#define DT_RELA 7
	270	#define DT_RELASZ 8
	271	#define DT_RELAENT 9
	272	#define DT_STRSZ 10
	273	#define DT_SYMENT 11
	274	#define DT_INIT 12
	275	#define DT_FINI 13
	276	#define DT_SONAME 14
	277	#define DT_RPATH 15
	278	#define DT_SYMBOLIC 16
	279	#define DT_REL 17
	280	#define DT_RELSZ 18
	281	#define DT_RELENT 19
	282	#define DT_PLTREL 20
	283	#define DT_DEBUG 21
	284	#define DT_TEXTREL 22
	285	#define DT_JMPREL 23
56c4200b ILT	286
	287	/* The next four dynamic tags are used on Solaris. We support them
	288	everywhere. */
	289	#define DT_VERDEF 0x6ffffffc
	290	#define DT_VERDEFNUM 0x6ffffffd
	291	#define DT_VERNEED 0x6ffffffe
	292	#define DT_VERNEEDNUM 0x6fffffff
	293
	294	/* This tag is a GNU extension to the Solaris version scheme. */
	295	#define DT_VERSYM 0x6ffffff0
	296
e46bbae2 DE	297	#define DT_LOPROC 0x70000000
	298	#define DT_HIPROC 0x7fffffff
	299
3acdeb5e MH	300	/* These section tags are used on Solaris. We support them
	301	everywhere, and hope they do not conflict. */
	302
	303	#define DT_AUXILIARY 0x7ffffffd
	304	#define DT_FILTER 0x7fffffff
	305
56c4200b ILT	306	/* These constants are used for the version number of a Elf32_Verdef
	307	structure. */
	308
	309	#define VER_DEF_NONE 0
	310	#define VER_DEF_CURRENT 1
	311
	312	/* These constants appear in the vd_flags field of a Elf32_Verdef
	313	structure. */
	314
	315	#define VER_FLG_BASE 0x1
	316	#define VER_FLG_WEAK 0x2
	317
	318	/* These special constants can be found in an Elf32_Versym field. */
	319
	320	#define VER_NDX_LOCAL 0
	321	#define VER_NDX_GLOBAL 1
	322
	323	/* These constants are used for the version number of a Elf32_Verneed
	324	structure. */
	325
	326	#define VER_NEED_NONE 0
	327	#define VER_NEED_CURRENT 1
	328
01aba636 NC	329	/* This flag appears in a Versym structure. It means that the symbol
	330	is hidden, and is only visible with an explicit version number.
	331	This is a GNU extension. */
	332
	333	#define VERSYM_HIDDEN 0x8000
	334
	335	/* This is the mask for the rest of the Versym information. */
	336
	337	#define VERSYM_VERSION 0x7fff
	338
56c4200b ILT	339	/* This is a special token which appears as part of a symbol name. It
	340	indictes that the rest of the name is actually the name of a
	341	version node, and is not part of the actual name. This is a GNU
	342	extension. For example, the symbol name `stat@ver2' is taken to
	343	mean the symbol `stat' in version `ver2'. */
	344
	345	#define ELF_VER_CHR '@'
	346
e46bbae2	347	#endif /* _ELF_COMMON_H */