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- /* BFD PowerPC CPU definition
- Copyright (C) 1994-2022 Free Software Foundation, Inc.
- Contributed by Ian Lance Taylor, Cygnus Support.
- This file is part of BFD, the Binary File Descriptor library.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
- #include "sysdep.h"
- #include "bfd.h"
- #include "libbfd.h"
- /* The common PowerPC architecture is compatible with the RS/6000. */
- static const bfd_arch_info_type *
- powerpc_compatible (const bfd_arch_info_type *a,
- const bfd_arch_info_type *b)
- {
- BFD_ASSERT (a->arch == bfd_arch_powerpc);
- switch (b->arch)
- {
- default:
- return NULL;
- case bfd_arch_powerpc:
- if (a->mach == bfd_mach_ppc_vle && b->bits_per_word == 32)
- return a;
- if (b->mach == bfd_mach_ppc_vle && a->bits_per_word == 32)
- return b;
- return bfd_default_compatible (a, b);
- case bfd_arch_rs6000:
- if (b->mach == bfd_mach_rs6k)
- return a;
- return NULL;
- }
- /*NOTREACHED*/
- }
- /* Return a COUNT sized buffer filled with nops (if CODE is TRUE) or
- zeros (if CODE is FALSE). This is the fill used between input
- sections for alignment. It won't normally be executed. */
- static void *
- bfd_arch_ppc_nop_fill (bfd_size_type count,
- bool is_bigendian,
- bool code)
- {
- bfd_byte *fill;
- if (count == 0)
- return NULL;
- fill = bfd_malloc (count);
- if (fill == NULL)
- return fill;
- if (code && (count & 3) == 0)
- {
- static const char nop_be[4] = {0x60, 0, 0, 0};
- static const char nop_le[4] = {0, 0, 0, 0x60};
- const char *nop = is_bigendian ? nop_be : nop_le;
- bfd_byte *p = fill;
- while (count != 0)
- {
- memcpy (p, nop, 4);
- p += 4;
- count -= 4;
- }
- }
- else
- memset (fill, 0, count);
- return fill;
- }
- #define N(BITS, NUMBER, PRINT, DEFAULT, NEXT) \
- { \
- BITS, /* Bits in a word. */ \
- BITS, /* Bits in an address. */ \
- 8, /* Bits in a byte. */ \
- bfd_arch_powerpc, \
- NUMBER, \
- "powerpc", \
- PRINT, \
- 3, /* Section alignment power. */ \
- DEFAULT, \
- powerpc_compatible, \
- bfd_default_scan, \
- bfd_arch_ppc_nop_fill, \
- NEXT, \
- 0 /* Maximum offset of a reloc from the start of an insn. */ \
- }
- const bfd_arch_info_type bfd_powerpc_archs[] =
- {
- #if BFD_DEFAULT_TARGET_SIZE == 64
- /* Default for 64 bit target. */
- N (64, bfd_mach_ppc64, "powerpc:common64", true, bfd_powerpc_archs + 1),
- /* elf32-ppc:ppc_elf_object_p relies on the default 32 bit arch
- being immediately after the 64 bit default. */
- N (32, bfd_mach_ppc, "powerpc:common", false, bfd_powerpc_archs + 2),
- #else
- /* Default arch must come first. */
- N (32, bfd_mach_ppc, "powerpc:common", true, bfd_powerpc_archs + 1),
- /* elf64-ppc:ppc64_elf_object_p relies on the default 64 bit arch
- being immediately after the 32 bit default. */
- N (64, bfd_mach_ppc64, "powerpc:common64", false, bfd_powerpc_archs + 2),
- #endif
- N (32, bfd_mach_ppc_603, "powerpc:603", false, bfd_powerpc_archs + 3),
- N (32, bfd_mach_ppc_ec603e, "powerpc:EC603e", false, bfd_powerpc_archs + 4),
- N (32, bfd_mach_ppc_604, "powerpc:604", false, bfd_powerpc_archs + 5),
- N (32, bfd_mach_ppc_403, "powerpc:403", false, bfd_powerpc_archs + 6),
- N (32, bfd_mach_ppc_601, "powerpc:601", false, bfd_powerpc_archs + 7),
- N (64, bfd_mach_ppc_620, "powerpc:620", false, bfd_powerpc_archs + 8),
- N (64, bfd_mach_ppc_630, "powerpc:630", false, bfd_powerpc_archs + 9),
- N (64, bfd_mach_ppc_a35, "powerpc:a35", false, bfd_powerpc_archs + 10),
- N (64, bfd_mach_ppc_rs64ii, "powerpc:rs64ii", false, bfd_powerpc_archs + 11),
- N (64, bfd_mach_ppc_rs64iii, "powerpc:rs64iii", false, bfd_powerpc_archs + 12),
- N (32, bfd_mach_ppc_7400, "powerpc:7400", false, bfd_powerpc_archs + 13),
- N (32, bfd_mach_ppc_e500, "powerpc:e500", false, bfd_powerpc_archs + 14),
- N (32, bfd_mach_ppc_e500mc, "powerpc:e500mc", false, bfd_powerpc_archs + 15),
- N (64, bfd_mach_ppc_e500mc64, "powerpc:e500mc64",false, bfd_powerpc_archs + 16),
- N (32, bfd_mach_ppc_860, "powerpc:MPC8XX", false, bfd_powerpc_archs + 17),
- N (32, bfd_mach_ppc_750, "powerpc:750", false, bfd_powerpc_archs + 18),
- N (32, bfd_mach_ppc_titan, "powerpc:titan", false, bfd_powerpc_archs + 19),
- {
- 16, /* Bits in a word. */
- 32, /* Bits in an address. */
- 8, /* Bits in a byte. */
- bfd_arch_powerpc,
- bfd_mach_ppc_vle,
- "powerpc",
- "powerpc:vle",
- 3,
- false, /* Not the default. */
- powerpc_compatible,
- bfd_default_scan,
- bfd_arch_default_fill,
- bfd_powerpc_archs + 20,
- 0 /* Maximum offset of a reloc from the start of an insn. */
- },
- N (64, bfd_mach_ppc_e5500, "powerpc:e5500", false, bfd_powerpc_archs + 21),
- N (64, bfd_mach_ppc_e6500, "powerpc:e6500", false, NULL)
- };
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