cpu-rs6000.c revision 1.9
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 30static const bfd_arch_info_type * 31rs6000_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 67static 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 74const bfd_arch_info_type bfd_rs6000_arch = 75 N (bfd_mach_rs6k, "rs6000:6000", TRUE, arch_info_struct + 0); 76