2003-12-01 07:28:24 +01:00
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/* Intel 960 specific support for 32-bit ELF
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2015-01-01 15:15:26 +01:00
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Copyright (C) 1999-2015 Free Software Foundation, Inc.
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1999-05-27 23:42:14 +02:00
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2005-07-01 13:16:33 +02:00
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This file is part of BFD, the Binary File Descriptor library.
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1999-05-27 23:42:14 +02:00
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2005-07-01 13:16:33 +02:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-07-03 16:26:43 +02:00
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the Free Software Foundation; either version 3 of the License, or
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2005-07-01 13:16:33 +02:00
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(at your option) any later version.
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1999-05-27 23:42:14 +02:00
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2005-07-01 13:16:33 +02:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-05-27 23:42:14 +02:00
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2005-07-01 13:16:33 +02:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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1999-05-27 23:42:14 +02:00
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#include "sysdep.h"
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2007-04-26 16:47:00 +02:00
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#include "bfd.h"
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1999-05-27 23:42:14 +02:00
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "elf/i960.h"
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#define USE_REL 1
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#define bfd_elf32_bfd_reloc_type_lookup elf32_i960_reloc_type_lookup
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2007-03-26 14:23:03 +02:00
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#define bfd_elf32_bfd_reloc_name_lookup \
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elf32_i960_reloc_name_lookup
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1999-05-27 23:42:14 +02:00
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#define elf_info_to_howto elf32_i960_info_to_howto
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#define elf_info_to_howto_rel elf32_i960_info_to_howto_rel
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2005-07-01 13:16:33 +02:00
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/* ELF relocs are against symbols. If we are producing relocatable
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output, and the reloc is against an external symbol, and nothing
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has given us any additional addend, the resulting reloc will also
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be against the same symbol. In such a case, we don't want to
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change anything about the way the reloc is handled, since it will
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all be done at final link time. Rather than put special case code
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into bfd_perform_relocation, all the reloc types use this howto
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function. It just short circuits the reloc if producing
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relocatable output against an external symbol. */
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static bfd_reloc_status_type
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elf32_i960_relocate (bfd *abfd ATTRIBUTE_UNUSED,
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arelent *reloc_entry,
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asymbol *symbol,
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2012-07-13 16:22:50 +02:00
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void * data ATTRIBUTE_UNUSED,
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2005-07-01 13:16:33 +02:00
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asection *input_section,
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bfd *output_bfd,
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char **error_message ATTRIBUTE_UNUSED)
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{
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/* HACK: I think this first condition is necessary when producing
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relocatable output. After the end of HACK, the code is identical
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to bfd_elf_generic_reloc(). I would _guess_ the first change
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belongs there rather than here. martindo 1998-10-23. */
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if (output_bfd != (bfd *) NULL
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&& reloc_entry->howto->pc_relative
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&& !reloc_entry->howto->pcrel_offset)
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reloc_entry->addend -= symbol->value;
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/* This is more dubious. */
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else if (output_bfd != (bfd *) NULL
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&& (symbol->flags & BSF_SECTION_SYM) != 0)
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reloc_entry->addend -= symbol->section->output_section->vma;
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else
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{
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/* ...end of HACK. */
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if (output_bfd != (bfd *) NULL
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&& (symbol->flags & BSF_SECTION_SYM) == 0
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&& (! reloc_entry->howto->partial_inplace
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|| reloc_entry->addend == 0))
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{
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reloc_entry->address += input_section->output_offset;
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return bfd_reloc_ok;
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}
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}
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return bfd_reloc_continue;
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}
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1999-05-27 23:42:14 +02:00
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static reloc_howto_type elf_howto_table[]=
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{
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2005-07-01 13:16:33 +02:00
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HOWTO (R_960_NONE, 0, 0, 0, FALSE, 0, complain_overflow_bitfield,
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elf32_i960_relocate, "R_960_NONE", TRUE,
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0x00000000, 0x00000000, FALSE),
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1999-07-12 12:30:21 +02:00
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EMPTY_HOWTO (1),
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2002-11-30 09:39:46 +01:00
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HOWTO (R_960_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
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elf32_i960_relocate, "R_960_32", TRUE,
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0xffffffff, 0xffffffff, FALSE),
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2002-11-30 09:39:46 +01:00
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HOWTO (R_960_IP24, 0, 2, 24, TRUE, 0, complain_overflow_signed,
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2005-07-01 13:16:33 +02:00
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elf32_i960_relocate, "R_960_IP24 ", TRUE,
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0x00ffffff, 0x00ffffff, FALSE),
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1999-07-12 12:30:21 +02:00
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EMPTY_HOWTO (4),
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EMPTY_HOWTO (5),
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EMPTY_HOWTO (6),
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EMPTY_HOWTO (7)
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1999-05-27 23:42:14 +02:00
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};
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static enum elf_i960_reloc_type
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elf32_i960_bfd_to_reloc_type (bfd_reloc_code_real_type code)
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{
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switch (code)
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{
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default:
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return R_960_NONE;
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case BFD_RELOC_I960_CALLJ:
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return R_960_OPTCALL;
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case BFD_RELOC_32:
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case BFD_RELOC_CTOR:
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return R_960_32;
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case BFD_RELOC_24_PCREL:
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return R_960_IP24;
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}
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}
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static void
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2005-07-01 13:16:33 +02:00
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elf32_i960_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED,
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arelent * cache_ptr ATTRIBUTE_UNUSED,
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Elf_Internal_Rela * dst ATTRIBUTE_UNUSED)
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1999-05-27 23:42:14 +02:00
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{
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abort ();
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}
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static void
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2005-07-01 13:16:33 +02:00
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elf32_i960_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
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arelent *cache_ptr,
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Elf_Internal_Rela *dst)
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1999-05-27 23:42:14 +02:00
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{
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enum elf_i960_reloc_type type;
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type = (enum elf_i960_reloc_type) ELF32_R_TYPE (dst->r_info);
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2014-12-22 21:59:00 +01:00
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/* PR 17521: file: 9609b8d6. */
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if (type >= R_960_max)
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{
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_bfd_error_handler (_("%A; invalid i960 reloc number: %d"), abfd, type);
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type = 0;
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}
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1999-05-27 23:42:14 +02:00
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cache_ptr->howto = &elf_howto_table[(int) type];
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}
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static reloc_howto_type *
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2005-07-01 13:16:33 +02:00
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elf32_i960_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
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bfd_reloc_code_real_type code)
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1999-05-27 23:42:14 +02:00
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{
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return elf_howto_table + elf32_i960_bfd_to_reloc_type (code);
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}
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2007-03-26 14:23:03 +02:00
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static reloc_howto_type *
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elf32_i960_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
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const char *r_name)
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{
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unsigned int i;
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for (i = 0; i < sizeof (elf_howto_table) / sizeof (elf_howto_table[0]); i++)
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if (elf_howto_table[i].name != NULL
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&& strcasecmp (elf_howto_table[i].name, r_name) == 0)
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return &elf_howto_table[i];
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return NULL;
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}
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bfd target vector rationalisation
This renames the bfd targets to <cpu>_<format>_<other>_<endian>_vec.
So for example, bfd_elf32_ntradlittlemips_vec becomes
mips_elf32_ntrad_le_vec and hp300bsd_vec becomes m68k_aout_hp300bsd_vec.
bfd/
* aix386-core.c, * aout-adobe.c, * aout-arm.c, * aout-ns32k.c,
* aout-sparcle.c, * aout0.c, * aoutx.h, * armnetbsd.c, * bout.c,
* cf-i386lynx.c, * cf-sparclynx.c, * cisco-core.c, * coff-alpha.c,
* coff-apollo.c, * coff-arm.c, * coff-aux.c, * coff-go32.c,
* coff-h8300.c, * coff-h8500.c, * coff-i386.c, * coff-i860.c,
* coff-i960.c, * coff-m68k.c, * coff-m88k.c, * coff-mips.c,
* coff-rs6000.c, * coff-sh.c, * coff-sparc.c, * coff-stgo32.c,
* coff-svm68k.c, * coff-tic80.c, * coff-u68k.c, * coff-w65.c,
* coff-we32k.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c,
* coff64-rs6000.c, * config.bfd, * configure.com, * configure.in,
* demo64.c, * elf-m10200.c, * elf-m10300.c, * elf32-am33lin.c,
* elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-bfin.c,
* elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c, * elf32-crx.c,
* elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c, * elf32-epiphany.c,
* elf32-fr30.c, * elf32-frv.c, * elf32-gen.c, * elf32-h8300.c,
* elf32-hppa.c, * elf32-i370.c, * elf32-i386.c, * elf32-i860.c,
* elf32-i960.c, * elf32-ip2k.c, * elf32-iq2000.c, * elf32-lm32.c,
* elf32-m32c.c, * elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c,
* elf32-m68k.c, * elf32-m88k.c, * elf32-mcore.c, * elf32-mep.c,
* elf32-metag.c, * elf32-microblaze.c, * elf32-mips.c, * elf32-moxie.c,
* elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c, * elf32-nios2.c,
* elf32-or1k.c, * elf32-pj.c, * elf32-ppc.c, * elf32-rl78.c,
* elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-sh-symbian.c,
* elf32-sh.c, * elf32-sh64.c, * elf32-sparc.c, * elf32-spu.c,
* elf32-tic6x.c, * elf32-tilegx.c, * elf32-tilepro.c, * elf32-v850.c,
* elf32-vax.c, * elf32-xc16x.c, * elf32-xgate.c, * elf32-xstormy16.c,
* elf32-xtensa.c, * elf64-alpha.c, * elf64-gen.c, * elf64-hppa.c,
* elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c, * elf64-ppc.c,
* elf64-s390.c, * elf64-sh64.c, * elf64-sparc.c, * elf64-tilegx.c,
* elf64-x86-64.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c,
* epoc-pe-arm.c, * epoc-pei-arm.c, * hp300bsd.c, * hp300hpux.c,
* hppabsd-core.c, * hpux-core.c, * i386aout.c, * i386bsd.c,
* i386dynix.c, * i386freebsd.c, * i386linux.c, * i386lynx.c,
* i386mach3.c, * i386msdos.c, * i386netbsd.c, * i386os9k.c,
* irix-core.c, * m68k4knetbsd.c, * m68klinux.c, * m68knetbsd.c,
* m88kmach3.c, * m88kopenbsd.c, * mach-o-i386.c, * mach-o-x86-64.c,
* makefile.vms, * mipsbsd.c, * mmo.c, * netbsd-core.c, * newsos3.c,
* nlm32-alpha.c, * nlm32-i386.c, * nlm32-ppc.c, * nlm32-sparc.c,
* ns32knetbsd.c, * osf-core.c, * pc532-mach.c, * pe-arm-wince.c,
* pe-arm.c, * pe-i386.c, * pe-mcore.c, * pe-mips.c, * pe-ppc.c,
* pe-sh.c, * pe-x86_64.c, * pei-arm-wince.c, * pei-arm.c,
* pei-i386.c, * pei-ia64.c, * pei-mcore.c, * pei-mips.c, * pei-ppc.c,
* pei-sh.c, * pei-x86_64.c, * ppcboot.c, * ptrace-core.c, * riscix.c,
* sco5-core.c, * som.c, * sparclinux.c, * sparclynx.c,
* sparcnetbsd.c, * sunos.c, * targets.c, * trad-core.c,
* vax1knetbsd.c, * vaxbsd.c, * vaxnetbsd.c, * versados.c,
* vms-alpha.c, * vms-lib.c: Rename bfd targets to
<cpu>_<format>_<other>_<endian>_vec. Adjust associated MY macros
on aout targets.
* configure: Regenerate.
binutils/
* emul_aix.c: Update bfd target vector naming.
* testsuite/binutils-all/objcopy.exp: Likewise.
ld/
* emultempl/metagelf.em: Update bfd target vector naming.
* emultempl/nios2elf.em: Likewise.
* emultempl/spuelf.em: Likewise.
* emultempl/tic6xdsbt.em: Likewise.
2014-05-02 12:39:40 +02:00
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#define TARGET_LITTLE_SYM i960_elf32_vec
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1999-05-27 23:42:14 +02:00
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#define TARGET_LITTLE_NAME "elf32-i960"
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#define ELF_ARCH bfd_arch_i960
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#define ELF_MACHINE_CODE EM_960
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1999-06-04 14:45:07 +02:00
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#define ELF_MAXPAGESIZE 1 /* FIXME: This number is wrong, It should be the page size in bytes. */
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1999-05-27 23:42:14 +02:00
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#include "elf32-target.h"
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