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

/* Generic support for 32-bit ELF
   Copyright 1993, 1995, 1998, 1999, 2001 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 *, Elf32_Internal_Rela *));
static void elf_generic_info_to_howto_rel
  PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
static 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;
     Elf32_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;
     Elf32_Internal_Rel *elf_reloc ATTRIBUTE_UNUSED;
{
  bfd_reloc->howto = &dummy;
}

static 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);
	if (abfd->my_archive)
	  (*_bfd_error_handler) (_("%s(%s): Relocations in generic ELF (EM: %d)"),
				 bfd_get_filename (abfd->my_archive),
				 bfd_get_filename (abfd),
				 ehdrp->e_machine);
	else
	  (*_bfd_error_handler) (_("%s: Relocations in generic ELF (EM: %d)"),
				 bfd_get_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
a7b97311	2	Copyright 1993, 1995, 1998, 1999, 2001 Free Software Foundation, Inc.
252b5132 RH	3
	4	This file is part of BFD, the Binary File Descriptor library.
	5
	6	This program 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 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program 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 this program; if not, write to the Free Software
	18	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	19
	20	#include "bfd.h"
	21	#include "sysdep.h"
	22	#include "libbfd.h"
	23	#include "elf-bfd.h"
	24
	25	/* This does not include any relocation information, but should be
	26	good enough for GDB or objdump to read the file. */
	27
	28	static reloc_howto_type dummy =
	29	HOWTO (0, /* type */
	30	0, /* rightshift */
	31	0, /* size (0 = byte, 1 = short, 2 = long) */
	32	0, /* bitsize */
	33	false, /* pc_relative */
	34	0, /* bitpos */
	35	complain_overflow_dont, /* complain_on_overflow */
	36	NULL, /* special_function */
	37	"UNKNOWN", /* name */
	38	false, /* partial_inplace */
	39	0, /* src_mask */
	40	0, /* dst_mask */
	41	false); /* pcrel_offset */
	42
a7b97311 AM	43	static void elf_generic_info_to_howto
	44	PARAMS ((bfd , arelent , Elf32_Internal_Rela *));
	45	static void elf_generic_info_to_howto_rel
	46	PARAMS ((bfd , arelent , Elf32_Internal_Rel *));
	47	static boolean elf32_generic_link_add_symbols
	48	PARAMS ((bfd , struct bfd_link_info ));
	49
252b5132 RH	50	static void
252b5132 RH	51	elf_generic_info_to_howto (abfd, bfd_reloc, elf_reloc)
7442e600	52	bfd *abfd ATTRIBUTE_UNUSED;
252b5132	53	arelent *bfd_reloc;
7442e600	54	Elf32_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED;
252b5132 RH	55	{
	56	bfd_reloc->howto = &dummy;
	57	}
	58
	59	static void
	60	elf_generic_info_to_howto_rel (abfd, bfd_reloc, elf_reloc)
7442e600	61	bfd *abfd ATTRIBUTE_UNUSED;
252b5132	62	arelent *bfd_reloc;
7442e600	63	Elf32_Internal_Rel *elf_reloc ATTRIBUTE_UNUSED;
252b5132 RH	64	{
	65	bfd_reloc->howto = &dummy;
	66	}
	67
dc810e39	68	static boolean
eb4a6e4f L	69	elf32_generic_link_add_symbols (abfd, info)
eb4a6e4f L	70	bfd *abfd;
b9d88996	71	struct bfd_link_info *info;
eb4a6e4f L	72	{
	73	asection *o;
	74
	75	/* Check if there are any relocations. */
	76	for (o = abfd->sections; o != NULL; o = o->next)
	77	if ((o->flags & SEC_RELOC) != 0)
	78	{
	79	Elf_Internal_Ehdr *ehdrp;
	80
	81	ehdrp = elf_elfheader (abfd);
	82	if (abfd->my_archive)
	83	(*_bfd_error_handler) (_("%s(%s): Relocations in generic ELF (EM: %d)"),
	84	bfd_get_filename (abfd->my_archive),
	85	bfd_get_filename (abfd),
	86	ehdrp->e_machine);
	87	else
	88	(*_bfd_error_handler) (_("%s: Relocations in generic ELF (EM: %d)"),
	89	bfd_get_filename (abfd),
	90	ehdrp->e_machine);
	91
	92	bfd_set_error (bfd_error_wrong_format);
	93	return false;
	94	}
	95
	96	return bfd_elf32_bfd_link_add_symbols (abfd, info);
	97	}
	98
252b5132 RH	99	#define TARGET_LITTLE_SYM bfd_elf32_little_generic_vec
	100	#define TARGET_LITTLE_NAME "elf32-little"
	101	#define TARGET_BIG_SYM bfd_elf32_big_generic_vec
	102	#define TARGET_BIG_NAME "elf32-big"
	103	#define ELF_ARCH bfd_arch_unknown
	104	#define ELF_MACHINE_CODE EM_NONE
79e5982f	105	#define ELF_MAXPAGESIZE 0x1
252b5132	106	#define bfd_elf32_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
eb4a6e4f	107	#define bfd_elf32_bfd_link_add_symbols elf32_generic_link_add_symbols
252b5132 RH	108	#define elf_info_to_howto elf_generic_info_to_howto
	109	#define elf_info_to_howto_rel elf_generic_info_to_howto_rel
	110
	111	#include "elf32-target.h"