1/* BFD back-end for Apollo 68000 COFF binaries. 2 Copyright 1990, 1991, 1992, 1993, 1994, 1999, 2000, 2001, 2002, 2003 3 Free Software Foundation, Inc. 4 By Troy Rollo (troy@cbme.unsw.edu.au) 5 Based on m68k standard COFF version Written by Cygnus Support. 6 7This file is part of BFD, the Binary File Descriptor library. 8 9This program is free software; you can redistribute it and/or modify 10it under the terms of the GNU General Public License as published by 11the Free Software Foundation; either version 2 of the License, or 12(at your option) any later version. 13 14This program is distributed in the hope that it will be useful, 15but WITHOUT ANY WARRANTY; without even the implied warranty of 16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17GNU General Public License for more details. 18 19You should have received a copy of the GNU General Public License 20along with this program; if not, write to the Free Software 21Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 22 23#include "bfd.h" 24#include "sysdep.h" 25#include "libbfd.h" 26#include "coff/apollo.h" 27#include "coff/internal.h" 28#include "libcoff.h" 29 30#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) 31 32#ifdef ONLY_DECLARE_RELOCS 33extern reloc_howto_type apollocoff_howto_table[]; 34#else 35reloc_howto_type apollocoff_howto_table[] = 36 { 37 HOWTO (R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "8", TRUE, 0x000000ff,0x000000ff, FALSE), 38 HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "16", TRUE, 0x0000ffff,0x0000ffff, FALSE), 39 HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "32", TRUE, 0xffffffff,0xffffffff, FALSE), 40 HOWTO (R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0, "DISP8", TRUE, 0x000000ff,0x000000ff, FALSE), 41 HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE, 0x0000ffff,0x0000ffff, FALSE), 42 HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE, 0xffffffff,0xffffffff, FALSE), 43 HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 0, complain_overflow_bitfield, 0, "-32", TRUE, 0xffffffff,0xffffffff, FALSE), 44 }; 45#endif /* not ONLY_DECLARE_RELOCS */ 46 47#ifndef BADMAG 48#define BADMAG(x) M68KBADMAG(x) 49#endif 50#define APOLLO_M68 1 /* Customize coffcode.h */ 51 52/* Turn a howto into a reloc number. */ 53 54extern void apollo_rtype2howto PARAMS ((arelent *, int)); 55extern int apollo_howto2rtype PARAMS ((reloc_howto_type *)); 56#ifndef ONLY_DECLARE_RELOCS 57 58void 59apollo_rtype2howto (internal, relocentry) 60 arelent *internal; 61 int relocentry; 62{ 63 switch (relocentry) 64 { 65 case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break; 66 case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break; 67 case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break; 68 case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break; 69 case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break; 70 case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break; 71 case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break; 72 } 73} 74 75int 76apollo_howto2rtype (internal) 77 reloc_howto_type *internal; 78{ 79 if (internal->pc_relative) 80 { 81 switch (internal->bitsize) 82 { 83 case 32: return R_PCRLONG; 84 case 16: return R_PCRWORD; 85 case 8: return R_PCRBYTE; 86 } 87 } 88 else 89 { 90 switch (internal->bitsize) 91 { 92 case 32: return R_RELLONG; 93 case 16: return R_RELWORD; 94 case 8: return R_RELBYTE; 95 } 96 } 97 return R_RELLONG; 98} 99#endif /* not ONLY_DECLARE_RELOCS */ 100 101#define RTYPE2HOWTO(internal, relocentry) \ 102 apollo_rtype2howto (internal, (relocentry)->r_type) 103 104#define SELECT_RELOC(external, internal) \ 105 external.r_type = apollo_howto2rtype (internal); 106 107#include "coffcode.h" 108 109#ifndef TARGET_SYM 110#define TARGET_SYM apollocoff_vec 111#endif 112 113#ifndef TARGET_NAME 114#define TARGET_NAME "apollo-m68k" 115#endif 116 117#ifdef NAMES_HAVE_UNDERSCORE 118CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL, COFF_SWAP_TABLE) 119#else 120CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL, COFF_SWAP_TABLE) 121#endif 122