1 /* BFD back-end for Apollo 68000 COFF binaries. 2 Copyright (C) 1990-2014 Free Software Foundation, Inc. 3 By Troy Rollo (troy (at) cbme.unsw.edu.au) 4 Based on m68k standard COFF version Written by Cygnus Support. 5 6 This file is part of BFD, the Binary File Descriptor library. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23 #include "sysdep.h" 24 #include "bfd.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 33 extern reloc_howto_type apollocoff_howto_table[]; 34 #else 35 reloc_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 54 extern void apollo_rtype2howto (arelent *, int); 55 extern int apollo_howto2rtype (reloc_howto_type *); 56 #ifndef ONLY_DECLARE_RELOCS 57 58 void 59 apollo_rtype2howto (arelent *internal, int relocentry) 60 { 61 switch (relocentry) 62 { 63 case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break; 64 case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break; 65 case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break; 66 case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break; 67 case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break; 68 case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break; 69 case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break; 70 } 71 } 72 73 int 74 apollo_howto2rtype (reloc_howto_type *internal) 75 { 76 if (internal->pc_relative) 77 { 78 switch (internal->bitsize) 79 { 80 case 32: return R_PCRLONG; 81 case 16: return R_PCRWORD; 82 case 8: return R_PCRBYTE; 83 } 84 } 85 else 86 { 87 switch (internal->bitsize) 88 { 89 case 32: return R_RELLONG; 90 case 16: return R_RELWORD; 91 case 8: return R_RELBYTE; 92 } 93 } 94 return R_RELLONG; 95 } 96 #endif /* not ONLY_DECLARE_RELOCS */ 97 98 #define RTYPE2HOWTO(internal, relocentry) \ 99 apollo_rtype2howto (internal, (relocentry)->r_type) 100 101 #define SELECT_RELOC(external, internal) \ 102 external.r_type = apollo_howto2rtype (internal); 103 104 #define bfd_pe_print_pdata NULL 105 106 #include "coffcode.h" 107 108 #ifndef TARGET_SYM 109 #define TARGET_SYM m68k_coff_apollo_vec 110 #endif 111 112 #ifndef TARGET_NAME 113 #define TARGET_NAME "apollo-m68k" 114 #endif 115 116 #ifdef NAMES_HAVE_UNDERSCORE 117 CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, '_', NULL, COFF_SWAP_TABLE) 118 #else 119 CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, 0, 0, 0, NULL, COFF_SWAP_TABLE) 120 #endif 121
