| 1 | /* BFD PowerPC CPU definition |
| 2 | Copyright (C) 1994-2021 Free Software Foundation, Inc. |
| 3 | Contributed by Ian Lance Taylor, Cygnus Support. |
| 4 | |
| 5 | This file is part of BFD, the Binary File Descriptor library. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 20 | MA 02110-1301, USA. */ |
| 21 | |
| 22 | #include "sysdep.h" |
| 23 | #include "bfd.h" |
| 24 | #include "libbfd.h" |
| 25 | |
| 26 | /* The common PowerPC architecture is compatible with the RS/6000. */ |
| 27 | |
| 28 | static const bfd_arch_info_type * |
| 29 | powerpc_compatible (const bfd_arch_info_type *a, |
| 30 | const bfd_arch_info_type *b) |
| 31 | { |
| 32 | BFD_ASSERT (a->arch == bfd_arch_powerpc); |
| 33 | switch (b->arch) |
| 34 | { |
| 35 | default: |
| 36 | return NULL; |
| 37 | case bfd_arch_powerpc: |
| 38 | if (a->mach == bfd_mach_ppc_vle && b->bits_per_word == 32) |
| 39 | return a; |
| 40 | if (b->mach == bfd_mach_ppc_vle && a->bits_per_word == 32) |
| 41 | return b; |
| 42 | return bfd_default_compatible (a, b); |
| 43 | case bfd_arch_rs6000: |
| 44 | if (b->mach == bfd_mach_rs6k) |
| 45 | return a; |
| 46 | return NULL; |
| 47 | } |
| 48 | /*NOTREACHED*/ |
| 49 | } |
| 50 | |
| 51 | /* Return a COUNT sized buffer filled with nops (if CODE is TRUE) or |
| 52 | zeros (if CODE is FALSE). This is the fill used between input |
| 53 | sections for alignment. It won't normally be executed. */ |
| 54 | |
| 55 | static void * |
| 56 | bfd_arch_ppc_nop_fill (bfd_size_type count, |
| 57 | bfd_boolean is_bigendian, |
| 58 | bfd_boolean code) |
| 59 | { |
| 60 | bfd_byte *fill; |
| 61 | |
| 62 | if (count == 0) |
| 63 | return NULL; |
| 64 | fill = bfd_malloc (count); |
| 65 | if (fill == NULL) |
| 66 | return fill; |
| 67 | |
| 68 | if (code && (count & 3) == 0) |
| 69 | { |
| 70 | static const char nop_be[4] = {0x60, 0, 0, 0}; |
| 71 | static const char nop_le[4] = {0, 0, 0, 0x60}; |
| 72 | const char *nop = is_bigendian ? nop_be : nop_le; |
| 73 | bfd_byte *p = fill; |
| 74 | |
| 75 | while (count != 0) |
| 76 | { |
| 77 | memcpy (p, nop, 4); |
| 78 | p += 4; |
| 79 | count -= 4; |
| 80 | } |
| 81 | } |
| 82 | else |
| 83 | memset (fill, 0, count); |
| 84 | |
| 85 | return fill; |
| 86 | } |
| 87 | |
| 88 | #define N(BITS, NUMBER, PRINT, DEFAULT, NEXT) \ |
| 89 | { \ |
| 90 | BITS, /* Bits in a word. */ \ |
| 91 | BITS, /* Bits in an address. */ \ |
| 92 | 8, /* Bits in a byte. */ \ |
| 93 | bfd_arch_powerpc, \ |
| 94 | NUMBER, \ |
| 95 | "powerpc", \ |
| 96 | PRINT, \ |
| 97 | 3, /* Section alignment power. */ \ |
| 98 | DEFAULT, \ |
| 99 | powerpc_compatible, \ |
| 100 | bfd_default_scan, \ |
| 101 | bfd_arch_ppc_nop_fill, \ |
| 102 | NEXT, \ |
| 103 | 0 /* Maximum offset of a reloc from the start of an insn. */ \ |
| 104 | } |
| 105 | |
| 106 | const bfd_arch_info_type bfd_powerpc_archs[] = |
| 107 | { |
| 108 | #if BFD_DEFAULT_TARGET_SIZE == 64 |
| 109 | /* Default for 64 bit target. */ |
| 110 | N (64, bfd_mach_ppc64, "powerpc:common64", TRUE, bfd_powerpc_archs + 1), |
| 111 | /* elf32-ppc:ppc_elf_object_p relies on the default 32 bit arch |
| 112 | being immediately after the 64 bit default. */ |
| 113 | N (32, bfd_mach_ppc, "powerpc:common", FALSE, bfd_powerpc_archs + 2), |
| 114 | #else |
| 115 | /* Default arch must come first. */ |
| 116 | N (32, bfd_mach_ppc, "powerpc:common", TRUE, bfd_powerpc_archs + 1), |
| 117 | /* elf64-ppc:ppc64_elf_object_p relies on the default 64 bit arch |
| 118 | being immediately after the 32 bit default. */ |
| 119 | N (64, bfd_mach_ppc64, "powerpc:common64", FALSE, bfd_powerpc_archs + 2), |
| 120 | #endif |
| 121 | N (32, bfd_mach_ppc_603, "powerpc:603", FALSE, bfd_powerpc_archs + 3), |
| 122 | N (32, bfd_mach_ppc_ec603e, "powerpc:EC603e", FALSE, bfd_powerpc_archs + 4), |
| 123 | N (32, bfd_mach_ppc_604, "powerpc:604", FALSE, bfd_powerpc_archs + 5), |
| 124 | N (32, bfd_mach_ppc_403, "powerpc:403", FALSE, bfd_powerpc_archs + 6), |
| 125 | N (32, bfd_mach_ppc_601, "powerpc:601", FALSE, bfd_powerpc_archs + 7), |
| 126 | N (64, bfd_mach_ppc_620, "powerpc:620", FALSE, bfd_powerpc_archs + 8), |
| 127 | N (64, bfd_mach_ppc_630, "powerpc:630", FALSE, bfd_powerpc_archs + 9), |
| 128 | N (64, bfd_mach_ppc_a35, "powerpc:a35", FALSE, bfd_powerpc_archs + 10), |
| 129 | N (64, bfd_mach_ppc_rs64ii, "powerpc:rs64ii", FALSE, bfd_powerpc_archs + 11), |
| 130 | N (64, bfd_mach_ppc_rs64iii, "powerpc:rs64iii", FALSE, bfd_powerpc_archs + 12), |
| 131 | N (32, bfd_mach_ppc_7400, "powerpc:7400", FALSE, bfd_powerpc_archs + 13), |
| 132 | N (32, bfd_mach_ppc_e500, "powerpc:e500", FALSE, bfd_powerpc_archs + 14), |
| 133 | N (32, bfd_mach_ppc_e500mc, "powerpc:e500mc", FALSE, bfd_powerpc_archs + 15), |
| 134 | N (64, bfd_mach_ppc_e500mc64, "powerpc:e500mc64",FALSE, bfd_powerpc_archs + 16), |
| 135 | N (32, bfd_mach_ppc_860, "powerpc:MPC8XX", FALSE, bfd_powerpc_archs + 17), |
| 136 | N (32, bfd_mach_ppc_750, "powerpc:750", FALSE, bfd_powerpc_archs + 18), |
| 137 | N (32, bfd_mach_ppc_titan, "powerpc:titan", FALSE, bfd_powerpc_archs + 19), |
| 138 | |
| 139 | { |
| 140 | 16, /* Bits in a word. */ |
| 141 | 32, /* Bits in an address. */ |
| 142 | 8, /* Bits in a byte. */ |
| 143 | bfd_arch_powerpc, |
| 144 | bfd_mach_ppc_vle, |
| 145 | "powerpc", |
| 146 | "powerpc:vle", |
| 147 | 3, |
| 148 | FALSE, /* Not the default. */ |
| 149 | powerpc_compatible, |
| 150 | bfd_default_scan, |
| 151 | bfd_arch_default_fill, |
| 152 | bfd_powerpc_archs + 20, |
| 153 | 0 /* Maximum offset of a reloc from the start of an insn. */ |
| 154 | }, |
| 155 | |
| 156 | N (64, bfd_mach_ppc_e5500, "powerpc:e5500", FALSE, bfd_powerpc_archs + 21), |
| 157 | N (64, bfd_mach_ppc_e6500, "powerpc:e6500", FALSE, NULL) |
| 158 | }; |