| /* BFD back-end for Apollo 68000 COFF binaries. |
| Copyright 1990, 1991, 1992, 1993, 1994, 1999, 2000, 2001, 2002, 2003 |
| Free Software Foundation, Inc. |
| By Troy Rollo (troy@cbme.unsw.edu.au) |
| Based on m68k standard COFF version Written by Cygnus Support. |
| |
| 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
| |
| #include "bfd.h" |
| #include "sysdep.h" |
| #include "libbfd.h" |
| #include "coff/apollo.h" |
| #include "coff/internal.h" |
| #include "libcoff.h" |
| |
| #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) |
| |
| #ifdef ONLY_DECLARE_RELOCS |
| extern reloc_howto_type apollocoff_howto_table[]; |
| #else |
| reloc_howto_type apollocoff_howto_table[] = |
| { |
| HOWTO (R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "8", TRUE, 0x000000ff,0x000000ff, FALSE), |
| HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "16", TRUE, 0x0000ffff,0x0000ffff, FALSE), |
| HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "32", TRUE, 0xffffffff,0xffffffff, FALSE), |
| HOWTO (R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0, "DISP8", TRUE, 0x000000ff,0x000000ff, FALSE), |
| HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE, 0x0000ffff,0x0000ffff, FALSE), |
| HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE, 0xffffffff,0xffffffff, FALSE), |
| HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 0, complain_overflow_bitfield, 0, "-32", TRUE, 0xffffffff,0xffffffff, FALSE), |
| }; |
| #endif /* not ONLY_DECLARE_RELOCS */ |
| |
| #ifndef BADMAG |
| #define BADMAG(x) M68KBADMAG(x) |
| #endif |
| #define APOLLO_M68 1 /* Customize coffcode.h */ |
| |
| /* Turn a howto into a reloc number. */ |
| |
| extern void apollo_rtype2howto PARAMS ((arelent *, int)); |
| extern int apollo_howto2rtype PARAMS ((reloc_howto_type *)); |
| #ifndef ONLY_DECLARE_RELOCS |
| |
| void |
| apollo_rtype2howto (internal, relocentry) |
| arelent *internal; |
| int relocentry; |
| { |
| switch (relocentry) |
| { |
| case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break; |
| case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break; |
| case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break; |
| case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break; |
| case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break; |
| case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break; |
| case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break; |
| } |
| } |
| |
| int |
| apollo_howto2rtype (internal) |
| reloc_howto_type *internal; |
| { |
| if (internal->pc_relative) |
| { |
| switch (internal->bitsize) |
| { |
| case 32: return R_PCRLONG; |
| case 16: return R_PCRWORD; |
| case 8: return R_PCRBYTE; |
| } |
| } |
| else |
| { |
| switch (internal->bitsize) |
| { |
| case 32: return R_RELLONG; |
| case 16: return R_RELWORD; |
| case 8: return R_RELBYTE; |
| } |
| } |
| return R_RELLONG; |
| } |
| #endif /* not ONLY_DECLARE_RELOCS */ |
| |
| #define RTYPE2HOWTO(internal, relocentry) \ |
| apollo_rtype2howto (internal, (relocentry)->r_type) |
| |
| #define SELECT_RELOC(external, internal) \ |
| external.r_type = apollo_howto2rtype (internal); |
| |
| #include "coffcode.h" |
| |
| #ifndef TARGET_SYM |
| #define TARGET_SYM apollocoff_vec |
| #endif |
| |
| #ifndef TARGET_NAME |
| #define TARGET_NAME "apollo-m68k" |
| #endif |
| |
| #ifdef NAMES_HAVE_UNDERSCORE |
| CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL, COFF_SWAP_TABLE) |
| #else |
| CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL, COFF_SWAP_TABLE) |
| #endif |