| 1 | /* BFD back-end for rs6000 support |
| 2 | Copyright (C) 1990-2020 Free Software Foundation, Inc. |
| 3 | Written by Mimi Phuong-Thao Vo of IBM |
| 4 | and John Gilmore of 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 | |
| 27 | /* The RS/6000 architecture is compatible with the PowerPC common |
| 28 | architecture. */ |
| 29 | |
| 30 | static const bfd_arch_info_type * |
| 31 | rs6000_compatible (const bfd_arch_info_type *a, |
| 32 | const bfd_arch_info_type *b) |
| 33 | { |
| 34 | BFD_ASSERT (a->arch == bfd_arch_rs6000); |
| 35 | switch (b->arch) |
| 36 | { |
| 37 | default: |
| 38 | return NULL; |
| 39 | case bfd_arch_rs6000: |
| 40 | return bfd_default_compatible (a, b); |
| 41 | case bfd_arch_powerpc: |
| 42 | if (a->mach == bfd_mach_rs6k) |
| 43 | return b; |
| 44 | return NULL; |
| 45 | } |
| 46 | /*NOTREACHED*/ |
| 47 | } |
| 48 | |
| 49 | #define N(NUMBER, PRINT, DEFAULT, NEXT) \ |
| 50 | { \ |
| 51 | 32, /* Bits in a word. */ \ |
| 52 | 32, /* Bits in an address. */ \ |
| 53 | 8, /* Bits in a byte. */ \ |
| 54 | bfd_arch_rs6000, \ |
| 55 | NUMBER, \ |
| 56 | "rs6000", \ |
| 57 | PRINT, \ |
| 58 | 3, /* Section alignment power. */ \ |
| 59 | DEFAULT, \ |
| 60 | rs6000_compatible, \ |
| 61 | bfd_default_scan, \ |
| 62 | bfd_arch_default_fill, \ |
| 63 | NEXT, \ |
| 64 | 0 /* Maximum offset of a reloc from the start of an insn. */ \ |
| 65 | } |
| 66 | |
| 67 | static const bfd_arch_info_type arch_info_struct[3] = |
| 68 | { |
| 69 | N (bfd_mach_rs6k_rs1, "rs6000:rs1", FALSE, arch_info_struct + 1), |
| 70 | N (bfd_mach_rs6k_rsc, "rs6000:rsc", FALSE, arch_info_struct + 2), |
| 71 | N (bfd_mach_rs6k_rs2, "rs6000:rs2", FALSE, NULL) |
| 72 | }; |
| 73 | |
| 74 | const bfd_arch_info_type bfd_rs6000_arch = |
| 75 | N (bfd_mach_rs6k, "rs6000:6000", TRUE, arch_info_struct + 0); |