/* Matsushita 10300 specific support for 32-bit ELF Copyright (C) 1996 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" static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); static void mn10300_info_to_howto_rel PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); /* Try to minimize the amount of space occupied by relocation tables on the ROM (not that the ROM won't be swamped by other ELF overhead). */ #define USE_REL enum reloc_type { R_MN10300_NONE = 0, R_MN10300_32, R_MN10300_16, R_MN10300_8, R_MN10300_PCREL32, R_MN10300_PCREL16, R_MN10300_PCREL8, R_MN10300_MAX }; static reloc_howto_type elf_mn10300_howto_table[] = { /* */ HOWTO (R_MN10300_NONE, 0, 2, 16, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_MN10300_NONE", false, 0, 0, false), HOWTO (R_MN10300_32, 0, 2, 32, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_MN10300_32", true, 0xffffffff, 0xffffffff, false), HOWTO (R_MN10300_16, 0, 1, 16, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_MN10300_16", true, 0xffff, 0xffff, false), HOWTO (R_MN10300_8, 0, 0, 8, false, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_MN10300_8", true, 0xff, 0xff, false), HOWTO (R_MN10300_PCREL32, 0, 2, 32, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_MN10300_PCREL32", true, 0xffffffff, 0xffffffff, false), HOWTO (R_MN10300_PCREL16, 0, 1, 16, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_MN10300_PCREL16", true, 0xffff, 0xffff, false), HOWTO (R_MN10300_PCREL8, 0, 0, 8, true, 0, complain_overflow_bitfield, bfd_elf_generic_reloc, "R_MN10300_PCREL8", true, 0xff, 0xff, false), }; struct mn10300_reloc_map { unsigned char bfd_reloc_val; unsigned char elf_reloc_val; }; static const struct mn10300_reloc_map mn10300_reloc_map[] = { { BFD_RELOC_NONE, R_MN10300_NONE, }, { BFD_RELOC_32, R_MN10300_32, }, { BFD_RELOC_16, R_MN10300_16, }, { BFD_RELOC_8, R_MN10300_8, }, { BFD_RELOC_32_PCREL, R_MN10300_PCREL32, }, { BFD_RELOC_16_PCREL, R_MN10300_PCREL16, }, { BFD_RELOC_8_PCREL, R_MN10300_PCREL8, }, }; static reloc_howto_type * bfd_elf32_bfd_reloc_type_lookup (abfd, code) bfd *abfd; bfd_reloc_code_real_type code; { unsigned int i; for (i = 0; i < sizeof (mn10300_reloc_map) / sizeof (struct mn10300_reloc_map); i++) { if (mn10300_reloc_map[i].bfd_reloc_val == code) return &elf_mn10300_howto_table[mn10300_reloc_map[i].elf_reloc_val]; } return NULL; } /* Set the howto pointer for an V850 ELF reloc. */ static void mn10300_info_to_howto_rel (abfd, cache_ptr, dst) bfd *abfd; arelent *cache_ptr; Elf32_Internal_Rel *dst; { unsigned int r_type; r_type = ELF32_R_TYPE (dst->r_info); BFD_ASSERT (r_type < (unsigned int) R_MN10300_MAX); cache_ptr->howto = &elf_mn10300_howto_table[r_type]; } #define TARGET_LITTLE_SYM bfd_elf32_mn10300_vec #define TARGET_LITTLE_NAME "elf32-mn10300" #define ELF_ARCH bfd_arch_mn10300 #define ELF_MACHINE_CODE EM_CYGNUS_MN10300 #define ELF_MAXPAGESIZE 0x1000 #define elf_info_to_howto 0 #define elf_info_to_howto_rel mn10300_info_to_howto_rel #include "elf32-target.h"