mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
110 lines
3.9 KiB
C
110 lines
3.9 KiB
C
/* BFD support for the Axis CRIS architecture.
|
|
Copyright (C) 2000-2018 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 }
|
|
|
|
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. */
|
|
};
|
|
|
|
/*
|
|
* Local variables:
|
|
* eval: (c-set-style "gnu")
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*/
|