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/* BFD support for the Axis CRIS architecture.
Copyright 2000, 2002, 2004, 2005, 2007
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
PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
static const bfd_arch_info_type *
get_compatible (a,b)
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, 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_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:
*/
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