1 /* Matsushita 10200 specific support for 32-bit ELF
2 Copyright (C) 1996, 1997 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
25 static reloc_howto_type
*bfd_elf32_bfd_reloc_type_lookup
26 PARAMS ((bfd
*abfd
, bfd_reloc_code_real_type code
));
27 static void mn10200_info_to_howto
28 PARAMS ((bfd
*, arelent
*, Elf32_Internal_Rela
*));
31 /* We have to use RELA instructions since md_apply_fix3 in the assembler
32 does absolutely nothing. */
48 static reloc_howto_type elf_mn10200_howto_table
[] =
50 /* Dummy relocation. Does nothing. */
51 HOWTO (R_MN10200_NONE
,
57 complain_overflow_bitfield
,
58 bfd_elf_generic_reloc
,
64 /* Standard 32 bit reloc. */
71 complain_overflow_bitfield
,
72 bfd_elf_generic_reloc
,
78 /* Standard 16 bit reloc. */
85 complain_overflow_bitfield
,
86 bfd_elf_generic_reloc
,
92 /* Standard 8 bit reloc. */
99 complain_overflow_bitfield
,
100 bfd_elf_generic_reloc
,
106 /* Standard 24 bit reloc. */
113 complain_overflow_bitfield
,
114 bfd_elf_generic_reloc
,
120 /* Simple 8 pc-relative reloc. */
121 HOWTO (R_MN10200_PCREL8
,
127 complain_overflow_bitfield
,
128 bfd_elf_generic_reloc
,
134 /* Simple 16 pc-relative reloc. */
135 HOWTO (R_MN10200_PCREL16
,
141 complain_overflow_bitfield
,
142 bfd_elf_generic_reloc
,
148 /* Simple 32bit pc-relative reloc with a 1 byte adjustment
149 to get the pc-relative offset correct. */
150 HOWTO (R_MN10200_PCREL24
,
156 complain_overflow_bitfield
,
157 bfd_elf_generic_reloc
,
165 struct mn10200_reloc_map
167 unsigned char bfd_reloc_val
;
168 unsigned char elf_reloc_val
;
171 static const struct mn10200_reloc_map mn10200_reloc_map
[] =
173 { BFD_RELOC_NONE
, R_MN10200_NONE
, },
174 { BFD_RELOC_32
, R_MN10200_32
, },
175 { BFD_RELOC_16
, R_MN10200_16
, },
176 { BFD_RELOC_8
, R_MN10200_8
, },
177 { BFD_RELOC_24
, R_MN10200_24
, },
178 { BFD_RELOC_8_PCREL
, R_MN10200_PCREL8
, },
179 { BFD_RELOC_16_PCREL
, R_MN10200_PCREL16
, },
180 { BFD_RELOC_24_PCREL
, R_MN10200_PCREL24
, },
183 static reloc_howto_type
*
184 bfd_elf32_bfd_reloc_type_lookup (abfd
, code
)
186 bfd_reloc_code_real_type code
;
191 i
< sizeof (mn10200_reloc_map
) / sizeof (struct mn10200_reloc_map
);
194 if (mn10200_reloc_map
[i
].bfd_reloc_val
== code
)
195 return &elf_mn10200_howto_table
[mn10200_reloc_map
[i
].elf_reloc_val
];
201 /* Set the howto pointer for an MN10200 ELF reloc. */
204 mn10200_info_to_howto (abfd
, cache_ptr
, dst
)
207 Elf32_Internal_Rela
*dst
;
211 r_type
= ELF32_R_TYPE (dst
->r_info
);
212 BFD_ASSERT (r_type
< (unsigned int) R_MN10200_MAX
);
213 cache_ptr
->howto
= &elf_mn10200_howto_table
[r_type
];
216 #define TARGET_LITTLE_SYM bfd_elf32_mn10200_vec
217 #define TARGET_LITTLE_NAME "elf32-mn10200"
218 #define ELF_ARCH bfd_arch_mn10200
219 #define ELF_MACHINE_CODE EM_CYGNUS_MN10200
220 #define ELF_MAXPAGESIZE 0x1000
222 #define elf_info_to_howto mn10200_info_to_howto
223 #define elf_info_to_howto_rel 0
225 #define elf_symbol_leading_char '_'
227 #include "elf32-target.h"