1/* BFD back-end for Apollo 68000 COFF binaries. 2 Copyright 1990, 1991, 1992, 1993, 1994, 1999, 2000, 2001, 2002, 2003, 3 2005, 2007, 2008 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 7 This file is part of BFD, the Binary File Descriptor library. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 22 MA 02110-1301, USA. */ 23 24#include "sysdep.h" 25#include "bfd.h" 26#include "libbfd.h" 27#include "coff/apollo.h" 28#include "coff/internal.h" 29#include "libcoff.h" 30 31#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) 32 33#ifdef ONLY_DECLARE_RELOCS 34extern reloc_howto_type apollocoff_howto_table[]; 35#else 36reloc_howto_type apollocoff_howto_table[] = 37 { 38 HOWTO (R_RELBYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, 0, "8", TRUE, 0x000000ff,0x000000ff, FALSE), 39 HOWTO (R_RELWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, 0, "16", TRUE, 0x0000ffff,0x0000ffff, FALSE), 40 HOWTO (R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, 0, "32", TRUE, 0xffffffff,0xffffffff, FALSE), 41 HOWTO (R_PCRBYTE, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0, "DISP8", TRUE, 0x000000ff,0x000000ff, FALSE), 42 HOWTO (R_PCRWORD, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0, "DISP16", TRUE, 0x0000ffff,0x0000ffff, FALSE), 43 HOWTO (R_PCRLONG, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0, "DISP32", TRUE, 0xffffffff,0xffffffff, FALSE), 44 HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 0, complain_overflow_bitfield, 0, "-32", TRUE, 0xffffffff,0xffffffff, FALSE), 45 }; 46#endif /* not ONLY_DECLARE_RELOCS */ 47 48#ifndef BADMAG 49#define BADMAG(x) M68KBADMAG(x) 50#endif 51#define APOLLO_M68 1 /* Customize coffcode.h */ 52 53/* Turn a howto into a reloc number. */ 54 55extern void apollo_rtype2howto PARAMS ((arelent *, int)); 56extern int apollo_howto2rtype PARAMS ((reloc_howto_type *)); 57#ifndef ONLY_DECLARE_RELOCS 58 59void 60apollo_rtype2howto (internal, relocentry) 61 arelent *internal; 62 int relocentry; 63{ 64 switch (relocentry) 65 { 66 case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break; 67 case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break; 68 case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break; 69 case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break; 70 case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break; 71 case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break; 72 case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break; 73 } 74} 75 76int 77apollo_howto2rtype (internal) 78 reloc_howto_type *internal; 79{ 80 if (internal->pc_relative) 81 { 82 switch (internal->bitsize) 83 { 84 case 32: return R_PCRLONG; 85 case 16: return R_PCRWORD; 86 case 8: return R_PCRBYTE; 87 } 88 } 89 else 90 { 91 switch (internal->bitsize) 92 { 93 case 32: return R_RELLONG; 94 case 16: return R_RELWORD; 95 case 8: return R_RELBYTE; 96 } 97 } 98 return R_RELLONG; 99} 100#endif /* not ONLY_DECLARE_RELOCS */ 101 102#define RTYPE2HOWTO(internal, relocentry) \ 103 apollo_rtype2howto (internal, (relocentry)->r_type) 104 105#define SELECT_RELOC(external, internal) \ 106 external.r_type = apollo_howto2rtype (internal); 107 108#define bfd_pe_print_pdata NULL 109 110#include "coffcode.h" 111 112#ifndef TARGET_SYM 113#define TARGET_SYM apollocoff_vec 114#endif 115 116#ifndef TARGET_NAME 117#define TARGET_NAME "apollo-m68k" 118#endif 119 120#ifdef NAMES_HAVE_UNDERSCORE 121CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL, COFF_SWAP_TABLE) 122#else 123CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL, COFF_SWAP_TABLE) 124#endif 125