projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| efc2b064 JL |
1 | /* Matsushita 10200 and 10300 specific support for 32-bit ELF |
| 2 | Copyright (C) 1994, 1995 Free Software Foundation, Inc. | |
| 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 | static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup | |
| 26 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
| 27 | static void mn10x00_info_to_howto_rel | |
| 28 | PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); | |
| 29 | ||
| 30 | /* Try to minimize the amount of space occupied by relocation tables | |
| 31 | on the ROM (not that the ROM won't be swamped by other ELF overhead). */ | |
| 32 | #define USE_REL | |
| 33 | ||
| 34 | enum reloc_type | |
| 35 | { | |
| 36 | R_MN10x00_NONE = 0, | |
| 37 | R_MN10x00_MAX | |
| 38 | }; | |
| 39 | ||
| 40 | static reloc_howto_type elf_mn10x00_howto_table[] = | |
| 41 | { | |
| 42 | /* */ | |
| 43 | HOWTO (R_MN10x00_NONE, | |
| 44 | 0, | |
| 45 | 2, | |
| 46 | 16, | |
| 47 | false, | |
| 48 | 0, | |
| 49 | complain_overflow_bitfield, | |
| 50 | bfd_elf_generic_reloc, | |
| 51 | "R_MN10x00_NONE", | |
| 52 | false, | |
| 53 | 0, | |
| 54 | 0, | |
| 55 | false), | |
| 56 | }; | |
| 57 | ||
| 58 | struct mn10x00_reloc_map | |
| 59 | { | |
| 60 | unsigned char bfd_reloc_val; | |
| 61 | unsigned char elf_reloc_val; | |
| 62 | }; | |
| 63 | ||
| 64 | static const struct mn10x00_reloc_map mn10x00_reloc_map[] = | |
| 65 | { | |
| 66 | { BFD_RELOC_NONE, R_MN10x00_NONE, }, | |
| 67 | }; | |
| 68 | ||
| 69 | static reloc_howto_type * | |
| 70 | bfd_elf32_bfd_reloc_type_lookup (abfd, code) | |
| 71 | bfd *abfd; | |
| 72 | bfd_reloc_code_real_type code; | |
| 73 | { | |
| 74 | unsigned int i; | |
| 75 | ||
| 76 | for (i = 0; | |
| 77 | i < sizeof (mn10x00_reloc_map) / sizeof (struct mn10x00_reloc_map); | |
| 78 | i++) | |
| 79 | { | |
| 80 | if (mn10x00_reloc_map[i].bfd_reloc_val == code) | |
| 81 | return &elf_mn10x00_howto_table[mn10x00_reloc_map[i].elf_reloc_val]; | |
| 82 | } | |
| 83 | ||
| 84 | return NULL; | |
| 85 | } | |
| 86 | ||
| 87 | /* Set the howto pointer for an V850 ELF reloc. */ | |
| 88 | ||
| 89 | static void | |
| 90 | mn10x00_info_to_howto_rel (abfd, cache_ptr, dst) | |
| 91 | bfd *abfd; | |
| 92 | arelent *cache_ptr; | |
| 93 | Elf32_Internal_Rel *dst; | |
| 94 | { | |
| 95 | unsigned int r_type; | |
| 96 | ||
| 97 | r_type = ELF32_R_TYPE (dst->r_info); | |
| 98 | BFD_ASSERT (r_type < (unsigned int) R_MN10x00_MAX); | |
| 99 | cache_ptr->howto = &elf_mn10x00_howto_table[r_type]; | |
| 100 | } | |
| 101 | ||
| 102 | #define TARGET_LITTLE_SYM bfd_elf32_mn10x00_vec | |
| 103 | #define TARGET_LITTLE_NAME "elf32-mn10x00" | |
| 104 | #define ELF_ARCH bfd_arch_mn10x00 | |
| 105 | #define ELF_MACHINE_CODE EM_CYGNUS_MN10x00 | |
| 106 | #define ELF_MAXPAGESIZE 0x1000 | |
| 107 | ||
| 108 | #define elf_info_to_howto 0 | |
| 109 | #define elf_info_to_howto_rel mn10x00_info_to_howto_rel | |
| 110 | ||
| 111 | #include "elf32-target.h" |