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jeremybenn |
/* BFD support for the Axis CRIS architecture.
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Copyright 2000, 2002, 2004, 2005, 2007
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Free Software Foundation, Inc.
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Contributed by Axis Communications AB.
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Written by Hans-Peter Nilsson.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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/* This routine is provided two arch_infos and returns the lowest common
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denominator. CRIS v0..v10 vs. v32 are not compatible in general, but
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there's a compatible subset for which we provide an arch_info. */
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static const bfd_arch_info_type * get_compatible
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PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
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static const bfd_arch_info_type *
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get_compatible (a,b)
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const bfd_arch_info_type *a;
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const bfd_arch_info_type *b;
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{
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/* Arches must match. */
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if (a->arch != b->arch)
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return NULL;
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/* If either is the compatible mach, return the other. */
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if (a->mach == bfd_mach_cris_v10_v32)
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return b;
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if (b->mach == bfd_mach_cris_v10_v32)
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return a;
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#if 0
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/* The code below is disabled but kept as a warning.
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See ldlang.c:lang_check. Quite illogically, incompatible arches
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(as signalled by this function) are only *warned* about, while with
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this function signalling compatible ones, we can have the
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cris_elf_merge_private_bfd_data function return an error. This is
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undoubtedly a FIXME: in general. Also, the
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command_line.warn_mismatch flag and the --no-warn-mismatch option
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are misnamed for the multitude of ports that signal compatibility:
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it is there an error, not a warning. We work around it by
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pretending matching machs here. */
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/* Except for the compatible mach, machs must match. */
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if (a->mach != b->mach)
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return NULL;
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#endif
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return a;
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}
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#define N(NUMBER, PRINT, NEXT) \
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{ 32, 32, 8, bfd_arch_cris, NUMBER, "cris", PRINT, 1, FALSE, \
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get_compatible, bfd_default_scan, NEXT }
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static const bfd_arch_info_type bfd_cris_arch_compat_v10_v32 =
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N (bfd_mach_cris_v10_v32, "cris:common_v10_v32", NULL);
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static const bfd_arch_info_type bfd_cris_arch_v32 =
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N (bfd_mach_cris_v32, "crisv32", &bfd_cris_arch_compat_v10_v32);
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const bfd_arch_info_type bfd_cris_arch =
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{
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32, /* There's 32 bits_per_word. */
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32, /* There's 32 bits_per_address. */
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8, /* There's 8 bits_per_byte. */
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bfd_arch_cris, /* One of enum bfd_architecture, defined
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in archures.c and provided in
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generated header files. */
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bfd_mach_cris_v0_v10, /* Random BFD-internal number for this
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machine, similarly listed in
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archures.c. Not emitted in output. */
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"cris", /* The arch_name. */
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"cris", /* The printable name is the same. */
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1, /* Section alignment power; each section
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is aligned to (only) 2^1 bytes. */
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TRUE, /* This is the default "machine". */
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get_compatible, /* A function for testing
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"machine" compatibility of two
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bfd_arch_info_type. */
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bfd_default_scan, /* Check if a bfd_arch_info_type is a
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match. */
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&bfd_cris_arch_v32 /* Pointer to next bfd_arch_info_type in
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the same family. */
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};
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/*
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* Local variables:
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* eval: (c-set-style "gnu")
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* indent-tabs-mode: t
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* End:
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*/
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