[deliverable/binutils-gdb.git] / gas / config / obj-elf.h

/* ELF object file format.
   Copyright (C) 1992, 1993 Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

   GAS 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 1, or (at your option)
   any later version.

   GAS 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 GAS; see the file COPYING.  If not, write to
   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */


/* HP PA-RISC support was contributed by the Center for Software Science
   at the University of Utah.  */

#ifndef _OBJ_ELF_H
#define _OBJ_ELF_H

#define OBJ_ELF 1

#define OUTPUT_FLAVOR bfd_target_elf_flavour

#include <bfd.h>

#define BYTES_IN_WORD 4		/* for now */
#include "bfd/libelf.h"

/* Use this to keep track of .size expressions that involve differences
   that we can't compute yet.  */
#define OBJ_SYMFIELD_TYPE expressionS *

/* Symbol fields used by the ELF back end.  */
#define ELF_TARGET_SYMBOL_FIELDS int local:1; unsigned long sy_name_offset;

/* Don't change this; change ELF_TARGET_SYMBOL_FIELDS instead.  */
#define TARGET_SYMBOL_FIELDS ELF_TARGET_SYMBOL_FIELDS

#include "targ-cpu.h"

#ifndef FALSE
#define FALSE 0
#define TRUE  !FALSE
#endif

/* should be conditional on address size! */
#define elf_symbol(asymbol) ((elf_symbol_type *)(&(asymbol)->the_bfd))

#define S_GET_SIZE(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_size)
#define S_SET_SIZE(S,V) \
  (elf_symbol((S)->bsym)->internal_elf_sym.st_size = (V))

#define S_GET_ALIGN(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_value)
#define S_SET_ALIGN(S,V) \
  (elf_symbol ((S)->bsym)->internal_elf_sym.st_value = (V))

extern asection *gdb_section;

#define obj_frob_file()	elf_frob_file()

extern void elf_frob_file PARAMS ((void));
extern void elf_file_symbol PARAMS ((char *));
#define obj_app_file elf_file_symbol

extern void obj_elf_section PARAMS ((int));
extern void obj_elf_previous PARAMS ((int));
extern void obj_elf_version PARAMS ((int));

/* BFD wants to write the udata field, which is a no-no for the
   globally defined sections.  */
#define obj_sec_sym_ok_for_reloc(SEC)	((SEC)->owner != 0)

/* When setting one symbol equal to another, by default we probably
   want them to have the same "size", whatever it means in the current
   context.  */
#define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST,SRC) \
  S_SET_SIZE ((DEST), S_GET_SIZE (SRC))

/* Stabs go in a separate section.  */
#define SEPARATE_STAB_SECTIONS 1

/* We need 12 bytes at the start of the section to hold some initial
   information.  */
extern void obj_elf_init_stab_section PARAMS ((segT));
#define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg)

/* For now, always set ECOFF_DEBUGGING for a MIPS target.  */
#ifdef TC_MIPS
#define ECOFF_DEBUGGING 1
#endif

#if ECOFF_DEBUGGING

/* If we are generating ECOFF debugging information, we need some
   additional fields for each symbol.  */
#undef TARGET_SYMBOL_FIELDS
#define TARGET_SYMBOL_FIELDS \
  ELF_TARGET_SYMBOL_FIELDS \
  struct efdr *ecoff_file; \
  struct localsym *ecoff_symbol; \
  valueT ecoff_extern_size;

/* We smuggle stabs in ECOFF rather than using a separate section.
   The Irix linker can not handle a separate stabs section.  */
#undef SEPARATE_STAB_SECTIONS
#undef INIT_STAB_SECTION
#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \
  ecoff_stab ((what), (string), (type), (other), (desc))

#define OBJ_GENERATE_ASM_LINENO(filename, lineno) \
  ecoff_generate_asm_lineno ((filename), (lineno))

#endif /* ECOFF_DEBUGGING */

extern void elf_frob_symbol PARAMS ((struct symbol *));
#define obj_frob_symbol(symp, punt) elf_frob_symbol (symp)

#endif /* _OBJ_ELF_H */
Commit	Line	Data
bd4d4b8a KR	1	/* ELF object file format.
	2	Copyright (C) 1992, 1993 Free Software Foundation, Inc.
	3
	4	This file is part of GAS, the GNU Assembler.
	5
	6	GAS is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 1, or (at your option)
	9	any later version.
	10
	11	GAS is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GAS; see the file COPYING. If not, write to
	18	the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20
	21	/* HP PA-RISC support was contributed by the Center for Software Science
	22	at the University of Utah. */
	23
	24	#ifndef _OBJ_ELF_H
	25	#define _OBJ_ELF_H
	26
	27	#define OBJ_ELF 1
	28
5b9a7bef KR	29	#define OUTPUT_FLAVOR bfd_target_elf_flavour
5b9a7bef KR	30
bd4d4b8a KR	31	#include <bfd.h>
	32
	33	#define BYTES_IN_WORD 4 /* for now */
5b9a7bef KR	34	#include "bfd/libelf.h"
	35
	36	/* Use this to keep track of .size expressions that involve differences
	37	that we can't compute yet. */
	38	#define OBJ_SYMFIELD_TYPE expressionS *
bd4d4b8a	39
c6858c1b ILT	40	/* Symbol fields used by the ELF back end. */
	41	#define ELF_TARGET_SYMBOL_FIELDS int local:1; unsigned long sy_name_offset;
	42
	43	/* Don't change this; change ELF_TARGET_SYMBOL_FIELDS instead. */
	44	#define TARGET_SYMBOL_FIELDS ELF_TARGET_SYMBOL_FIELDS
bd4d4b8a	45
bd4d4b8a KR	46	#include "targ-cpu.h"
	47
	48	#ifndef FALSE
	49	#define FALSE 0
	50	#define TRUE !FALSE
	51	#endif
	52
	53	/* should be conditional on address size! */
6a54ad63	54	#define elf_symbol(asymbol) ((elf_symbol_type *)(&(asymbol)->the_bfd))
bd4d4b8a	55
80903ca6	56	#define S_GET_SIZE(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_size)
58d4951d ILT	57	#define S_SET_SIZE(S,V) \
58d4951d ILT	58	(elf_symbol((S)->bsym)->internal_elf_sym.st_size = (V))
bd4d4b8a	59
6f89cd42 KH	60	#define S_GET_ALIGN(S) (elf_symbol ((S)->bsym)->internal_elf_sym.st_value)
	61	#define S_SET_ALIGN(S,V) \
	62	(elf_symbol ((S)->bsym)->internal_elf_sym.st_value = (V))
	63
bd4d4b8a KR	64	extern asection *gdb_section;
bd4d4b8a KR	65
bd4d4b8a KR	66	#define obj_frob_file() elf_frob_file()
bd4d4b8a KR	67
bd4d4b8a KR	68	extern void elf_frob_file PARAMS ((void));
bd4d4b8a KR	69	extern void elf_file_symbol PARAMS ((char *));
5b9a7bef	70	#define obj_app_file elf_file_symbol
bd4d4b8a	71
6a54ad63	72	extern void obj_elf_section PARAMS ((int));
80903ca6	73	extern void obj_elf_previous PARAMS ((int));
c6858c1b	74	extern void obj_elf_version PARAMS ((int));
80903ca6	75
6f89cd42 KH	76	/* BFD wants to write the udata field, which is a no-no for the
	77	globally defined sections. */
	78	#define obj_sec_sym_ok_for_reloc(SEC) ((SEC)->owner != 0)
	79
9a36b83f KR	80	/* When setting one symbol equal to another, by default we probably
	81	want them to have the same "size", whatever it means in the current
	82	context. */
	83	#define OBJ_COPY_SYMBOL_ATTRIBUTES(DEST,SRC) \
	84	S_SET_SIZE ((DEST), S_GET_SIZE (SRC))
	85
80903ca6	86	/* Stabs go in a separate section. */
e51a3912	87	#define SEPARATE_STAB_SECTIONS 1
80903ca6 ILT	88
	89	/* We need 12 bytes at the start of the section to hold some initial
	90	information. */
c6858c1b ILT	91	extern void obj_elf_init_stab_section PARAMS ((segT));
	92	#define INIT_STAB_SECTION(seg) obj_elf_init_stab_section (seg)
	93
	94	/* For now, always set ECOFF_DEBUGGING for a MIPS target. */
	95	#ifdef TC_MIPS
5b9a7bef	96	#define ECOFF_DEBUGGING 1
c6858c1b ILT	97	#endif
c6858c1b ILT	98
5b9a7bef	99	#if ECOFF_DEBUGGING
c6858c1b ILT	100
	101	/* If we are generating ECOFF debugging information, we need some
	102	additional fields for each symbol. */
	103	#undef TARGET_SYMBOL_FIELDS
	104	#define TARGET_SYMBOL_FIELDS \
	105	ELF_TARGET_SYMBOL_FIELDS \
	106	struct efdr *ecoff_file; \
	107	struct localsym *ecoff_symbol; \
6f89cd42	108	valueT ecoff_extern_size;
c6858c1b ILT	109
	110	/* We smuggle stabs in ECOFF rather than using a separate section.
	111	The Irix linker can not handle a separate stabs section. */
	112	#undef SEPARATE_STAB_SECTIONS
	113	#undef INIT_STAB_SECTION
5b9a7bef	114	#define OBJ_PROCESS_STAB(seg, what, string, type, other, desc) \
c6858c1b ILT	115	ecoff_stab ((what), (string), (type), (other), (desc))
c6858c1b ILT	116
ad14517d KH	117	#define OBJ_GENERATE_ASM_LINENO(filename, lineno) \
ad14517d KH	118	ecoff_generate_asm_lineno ((filename), (lineno))
6f89cd42	119
c6858c1b	120	#endif /* ECOFF_DEBUGGING */
6a54ad63	121
5b9a7bef KR	122	extern void elf_frob_symbol PARAMS ((struct symbol *));
	123	#define obj_frob_symbol(symp, punt) elf_frob_symbol (symp)
	124
bd4d4b8a	125	#endif /* _OBJ_ELF_H */