| /* BFD support for the Axis CRIS architecture. |
| Copyright (C) 2000-2021 Free Software Foundation, Inc. |
| Contributed by Axis Communications AB. |
| Written by Hans-Peter Nilsson. |
| |
| 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" |
| |
| /* This routine is provided two arch_infos and returns the lowest common |
| denominator. CRIS v0..v10 vs. v32 are not compatible in general, but |
| there's a compatible subset for which we provide an arch_info. */ |
| |
| static const bfd_arch_info_type * get_compatible |
| (const bfd_arch_info_type *, const bfd_arch_info_type *); |
| |
| static const bfd_arch_info_type * |
| get_compatible (const bfd_arch_info_type *a, |
| const bfd_arch_info_type *b) |
| { |
| /* Arches must match. */ |
| if (a->arch != b->arch) |
| return NULL; |
| |
| /* If either is the compatible mach, return the other. */ |
| if (a->mach == bfd_mach_cris_v10_v32) |
| return b; |
| if (b->mach == bfd_mach_cris_v10_v32) |
| return a; |
| |
| #if 0 |
| /* The code below is disabled but kept as a warning. |
| See ldlang.c:lang_check. Quite illogically, incompatible arches |
| (as signalled by this function) are only *warned* about, while with |
| this function signalling compatible ones, we can have the |
| cris_elf_merge_private_bfd_data function return an error. This is |
| undoubtedly a FIXME: in general. Also, the |
| command_line.warn_mismatch flag and the --no-warn-mismatch option |
| are misnamed for the multitude of ports that signal compatibility: |
| it is there an error, not a warning. We work around it by |
| pretending matching machs here. */ |
| |
| /* Except for the compatible mach, machs must match. */ |
| if (a->mach != b->mach) |
| return NULL; |
| #endif |
| |
| return a; |
| } |
| |
| #define N(NUMBER, PRINT, NEXT) \ |
| { 32, 32, 8, bfd_arch_cris, NUMBER, "cris", PRINT, 1, false, \ |
| get_compatible, bfd_default_scan, bfd_arch_default_fill, NEXT, 0 } |
| |
| static const bfd_arch_info_type bfd_cris_arch_compat_v10_v32 = |
| N (bfd_mach_cris_v10_v32, "cris:common_v10_v32", NULL); |
| |
| static const bfd_arch_info_type bfd_cris_arch_v32 = |
| N (bfd_mach_cris_v32, "crisv32", &bfd_cris_arch_compat_v10_v32); |
| |
| const bfd_arch_info_type bfd_cris_arch = |
| { |
| 32, /* There's 32 bits_per_word. */ |
| 32, /* There's 32 bits_per_address. */ |
| 8, /* There's 8 bits_per_byte. */ |
| bfd_arch_cris, /* One of enum bfd_architecture, defined |
| in archures.c and provided in |
| generated header files. */ |
| bfd_mach_cris_v0_v10, /* Random BFD-internal number for this |
| machine, similarly listed in |
| archures.c. Not emitted in output. */ |
| "cris", /* The arch_name. */ |
| "cris", /* The printable name is the same. */ |
| 1, /* Section alignment power; each section |
| is aligned to (only) 2^1 bytes. */ |
| true, /* This is the default "machine". */ |
| get_compatible, /* A function for testing |
| "machine" compatibility of two |
| bfd_arch_info_type. */ |
| bfd_default_scan, /* Check if a bfd_arch_info_type is a |
| match. */ |
| bfd_arch_default_fill, /* Default fill. */ |
| &bfd_cris_arch_v32, /* Pointer to next bfd_arch_info_type in |
| the same family. */ |
| 0 /* Maximum offset of a reloc from the start of an insn. */ |
| }; |
| |
| /* |
| * Local variables: |
| * eval: (c-set-style "gnu") |
| * indent-tabs-mode: t |
| * End: |
| */ |