[deliverable/binutils-gdb.git] / bfd / elf32-gen.c

/* Generic support for 32-bit ELF
   Copyright 1993, 1995, 1998, 1999, 2001, 2002
   Free Software Foundation, Inc.

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.  */

#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "elf-bfd.h"

/* This does not include any relocation information, but should be
   good enough for GDB or objdump to read the file.  */

static reloc_howto_type dummy =
  HOWTO (0,			/* type */
	 0,			/* rightshift */
	 0,			/* size (0 = byte, 1 = short, 2 = long) */
	 0,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_dont, /* complain_on_overflow */
	 NULL,			/* special_function */
	 "UNKNOWN",		/* name */
	 FALSE,			/* partial_inplace */
	 0,			/* src_mask */
	 0,			/* dst_mask */
	 FALSE);		/* pcrel_offset */

static void elf_generic_info_to_howto
  PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static void elf_generic_info_to_howto_rel
  PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static bfd_boolean elf32_generic_link_add_symbols
  PARAMS ((bfd *, struct bfd_link_info *));

static void
elf_generic_info_to_howto (abfd, bfd_reloc, elf_reloc)
     bfd *abfd ATTRIBUTE_UNUSED;
     arelent *bfd_reloc;
     Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED;
{
  bfd_reloc->howto = &dummy;
}

static void
elf_generic_info_to_howto_rel (abfd, bfd_reloc, elf_reloc)
     bfd *abfd ATTRIBUTE_UNUSED;
     arelent *bfd_reloc;
     Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED;
{
  bfd_reloc->howto = &dummy;
}

static bfd_boolean
elf32_generic_link_add_symbols (abfd, info)
     bfd *abfd;
     struct bfd_link_info *info;
{
  asection *o;

  /* Check if there are any relocations.  */
  for (o = abfd->sections; o != NULL; o = o->next)
    if ((o->flags & SEC_RELOC) != 0)
      {
	Elf_Internal_Ehdr *ehdrp;

	ehdrp = elf_elfheader (abfd);
	(*_bfd_error_handler) (_("%s: Relocations in generic ELF (EM: %d)"),
			       bfd_archive_filename (abfd),
			       ehdrp->e_machine);

	bfd_set_error (bfd_error_wrong_format);
	return FALSE;
      }

  return bfd_elf32_bfd_link_add_symbols (abfd, info);
}

#define TARGET_LITTLE_SYM		bfd_elf32_little_generic_vec
#define TARGET_LITTLE_NAME		"elf32-little"
#define TARGET_BIG_SYM			bfd_elf32_big_generic_vec
#define TARGET_BIG_NAME			"elf32-big"
#define ELF_ARCH			bfd_arch_unknown
#define ELF_MACHINE_CODE		EM_NONE
#define ELF_MAXPAGESIZE			0x1
#define bfd_elf32_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
#define bfd_elf32_bfd_link_add_symbols	elf32_generic_link_add_symbols
#define elf_info_to_howto		elf_generic_info_to_howto
#define elf_info_to_howto_rel		elf_generic_info_to_howto_rel

#include "elf32-target.h"
Commit	Line	Data
252b5132	1	/* Generic support for 32-bit ELF
b34976b6 AM	2	Copyright 1993, 1995, 1998, 1999, 2001, 2002
b34976b6 AM	3	Free Software Foundation, Inc.
252b5132 RH	4
	5	This file is part of BFD, the Binary File Descriptor library.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	20
	21	#include "bfd.h"
	22	#include "sysdep.h"
	23	#include "libbfd.h"
	24	#include "elf-bfd.h"
	25
	26	/* This does not include any relocation information, but should be
	27	good enough for GDB or objdump to read the file. */
	28
	29	static reloc_howto_type dummy =
	30	HOWTO (0, /* type */
	31	0, /* rightshift */
	32	0, /* size (0 = byte, 1 = short, 2 = long) */
	33	0, /* bitsize */
b34976b6	34	FALSE, /* pc_relative */
252b5132 RH	35	0, /* bitpos */
	36	complain_overflow_dont, /* complain_on_overflow */
	37	NULL, /* special_function */
	38	"UNKNOWN", /* name */
b34976b6	39	FALSE, /* partial_inplace */
252b5132 RH	40	0, /* src_mask */
252b5132 RH	41	0, /* dst_mask */
b34976b6	42	FALSE); /* pcrel_offset */
252b5132	43
a7b97311	44	static void elf_generic_info_to_howto
947216bf	45	PARAMS ((bfd , arelent , Elf_Internal_Rela *));
a7b97311	46	static void elf_generic_info_to_howto_rel
947216bf	47	PARAMS ((bfd , arelent , Elf_Internal_Rela *));
b34976b6	48	static bfd_boolean elf32_generic_link_add_symbols
a7b97311 AM	49	PARAMS ((bfd , struct bfd_link_info ));
a7b97311 AM	50
252b5132 RH	51	static void
252b5132 RH	52	elf_generic_info_to_howto (abfd, bfd_reloc, elf_reloc)
7442e600	53	bfd *abfd ATTRIBUTE_UNUSED;
252b5132	54	arelent *bfd_reloc;
947216bf	55	Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED;
252b5132 RH	56	{
	57	bfd_reloc->howto = &dummy;
	58	}
	59
	60	static void
	61	elf_generic_info_to_howto_rel (abfd, bfd_reloc, elf_reloc)
7442e600	62	bfd *abfd ATTRIBUTE_UNUSED;
252b5132	63	arelent *bfd_reloc;
947216bf	64	Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED;
252b5132 RH	65	{
	66	bfd_reloc->howto = &dummy;
	67	}
	68
b34976b6	69	static bfd_boolean
eb4a6e4f L	70	elf32_generic_link_add_symbols (abfd, info)
eb4a6e4f L	71	bfd *abfd;
b9d88996	72	struct bfd_link_info *info;
eb4a6e4f L	73	{
	74	asection *o;
	75
	76	/* Check if there are any relocations. */
	77	for (o = abfd->sections; o != NULL; o = o->next)
	78	if ((o->flags & SEC_RELOC) != 0)
	79	{
	80	Elf_Internal_Ehdr *ehdrp;
	81
	82	ehdrp = elf_elfheader (abfd);
8f615d07 AM	83	(*_bfd_error_handler) (_("%s: Relocations in generic ELF (EM: %d)"),
	84	bfd_archive_filename (abfd),
	85	ehdrp->e_machine);
eb4a6e4f L	86
eb4a6e4f L	87	bfd_set_error (bfd_error_wrong_format);
b34976b6	88	return FALSE;
eb4a6e4f L	89	}
	90
	91	return bfd_elf32_bfd_link_add_symbols (abfd, info);
	92	}
	93
252b5132 RH	94	#define TARGET_LITTLE_SYM bfd_elf32_little_generic_vec
	95	#define TARGET_LITTLE_NAME "elf32-little"
	96	#define TARGET_BIG_SYM bfd_elf32_big_generic_vec
	97	#define TARGET_BIG_NAME "elf32-big"
	98	#define ELF_ARCH bfd_arch_unknown
	99	#define ELF_MACHINE_CODE EM_NONE
79e5982f	100	#define ELF_MAXPAGESIZE 0x1
252b5132	101	#define bfd_elf32_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
eb4a6e4f	102	#define bfd_elf32_bfd_link_add_symbols elf32_generic_link_add_symbols
252b5132 RH	103	#define elf_info_to_howto elf_generic_info_to_howto
	104	#define elf_info_to_howto_rel elf_generic_info_to_howto_rel
	105
	106	#include "elf32-target.h"