1999-05-03 09:29:11 +02:00
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/* BFD support for the ARM processor
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2002-02-14 17:24:20 +01:00
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Copyright 1994, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
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1999-05-03 09:29:11 +02:00
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Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
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2002-02-14 17:24:20 +01:00
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This file is part of BFD, the Binary File Descriptor library.
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1999-05-03 09:29:11 +02:00
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2002-02-14 17:24:20 +01:00
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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 2 of the License, or
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(at your option) any later version.
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1999-05-03 09:29:11 +02:00
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2002-02-14 17:24:20 +01:00
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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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1999-05-03 09:29:11 +02:00
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2002-02-14 17:24:20 +01:00
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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1999-05-03 09:29:11 +02:00
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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2002-02-14 17:24:20 +01:00
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static const bfd_arch_info_type * compatible
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1999-05-03 09:29:11 +02:00
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PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
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2002-11-30 09:39:46 +01:00
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static bfd_boolean scan
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2002-02-14 17:24:20 +01:00
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PARAMS ((const struct bfd_arch_info *, const char *));
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1999-05-03 09:29:11 +02:00
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/* This routine is provided two arch_infos and works out which ARM
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machine which would be compatible with both and returns a pointer
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2002-02-14 17:24:20 +01:00
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to its info structure. */
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1999-05-03 09:29:11 +02:00
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static const bfd_arch_info_type *
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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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2002-02-14 17:24:20 +01:00
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/* If a & b are for different architecture we can do nothing. */
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1999-05-03 09:29:11 +02:00
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if (a->arch != b->arch)
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return NULL;
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2002-02-14 17:24:20 +01:00
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/* If a & b are for the same machine then all is well. */
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1999-05-03 09:29:11 +02:00
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if (a->mach == b->mach)
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return a;
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2002-02-14 17:24:20 +01:00
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/* Otherwise if either a or b is the 'default' machine
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then it can be polymorphed into the other. */
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1999-05-03 09:29:11 +02:00
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if (a->the_default)
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return b;
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2000-11-16 21:48:09 +01:00
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1999-05-03 09:29:11 +02:00
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if (b->the_default)
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return a;
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2002-02-14 17:24:20 +01:00
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/* So far all newer ARM architecture cores are
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supersets of previous cores. */
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1999-05-03 09:29:11 +02:00
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if (a->mach < b->mach)
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return b;
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else if (a->mach > b->mach)
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return a;
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2002-02-14 17:24:20 +01:00
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/* Never reached! */
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1999-05-03 09:29:11 +02:00
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return NULL;
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}
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static struct
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{
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2002-02-14 17:24:20 +01:00
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unsigned int mach;
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char * name;
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1999-05-03 09:29:11 +02:00
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}
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processors[] =
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{
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{ bfd_mach_arm_2, "arm2" },
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{ bfd_mach_arm_2a, "arm250" },
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{ bfd_mach_arm_2a, "arm3" },
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{ bfd_mach_arm_3, "arm6" },
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{ bfd_mach_arm_3, "arm60" },
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{ bfd_mach_arm_3, "arm600" },
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{ bfd_mach_arm_3, "arm610" },
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{ bfd_mach_arm_3, "arm7" },
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{ bfd_mach_arm_3, "arm710" },
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{ bfd_mach_arm_3, "arm7500" },
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{ bfd_mach_arm_3, "arm7d" },
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{ bfd_mach_arm_3, "arm7di" },
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{ bfd_mach_arm_3M, "arm7dm" },
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{ bfd_mach_arm_3M, "arm7dmi" },
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1999-07-05 09:28:24 +02:00
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{ bfd_mach_arm_4T, "arm7tdmi" },
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1999-05-03 09:29:11 +02:00
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{ bfd_mach_arm_4, "arm8" },
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{ bfd_mach_arm_4, "arm810" },
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1999-07-05 09:28:24 +02:00
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{ bfd_mach_arm_4, "arm9" },
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{ bfd_mach_arm_4, "arm920" },
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{ bfd_mach_arm_4T, "arm920t" },
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{ bfd_mach_arm_4T, "arm9tdmi" },
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1999-05-03 09:29:11 +02:00
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{ bfd_mach_arm_4, "sa1" },
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1999-07-05 09:28:24 +02:00
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{ bfd_mach_arm_4, "strongarm"},
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{ bfd_mach_arm_4, "strongarm110" },
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{ bfd_mach_arm_4, "strongarm1100" },
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2003-02-10 11:44:48 +01:00
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{ bfd_mach_arm_XScale, "xscale" },
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{ bfd_mach_arm_ep9312, "ep9312" }
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1999-05-03 09:29:11 +02:00
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};
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2002-11-30 09:39:46 +01:00
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static bfd_boolean
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1999-05-03 09:29:11 +02:00
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scan (info, string)
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const struct bfd_arch_info * info;
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const char * string;
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{
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int i;
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2002-02-14 17:24:20 +01:00
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/* First test for an exact match. */
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1999-05-03 09:29:11 +02:00
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if (strcasecmp (string, info->printable_name) == 0)
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2002-11-30 09:39:46 +01:00
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return TRUE;
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1999-05-03 09:29:11 +02:00
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2002-02-14 17:24:20 +01:00
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/* Next check for a processor name instead of an Architecture name. */
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1999-05-03 09:29:11 +02:00
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for (i = sizeof (processors) / sizeof (processors[0]); i--;)
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{
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2002-02-14 17:24:20 +01:00
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if (strcasecmp (string, processors [i].name) == 0)
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1999-05-03 09:29:11 +02:00
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break;
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}
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2002-02-14 17:24:20 +01:00
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if (i != -1 && info->mach == processors [i].mach)
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2002-11-30 09:39:46 +01:00
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return TRUE;
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1999-05-03 09:29:11 +02:00
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2002-02-14 17:24:20 +01:00
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/* Finally check for the default architecture. */
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1999-05-03 09:29:11 +02:00
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if (strcasecmp (string, "arm") == 0)
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return info->the_default;
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2000-11-16 21:48:09 +01:00
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2002-11-30 09:39:46 +01:00
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return FALSE;
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1999-05-03 09:29:11 +02:00
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}
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#define N(number, print, default, next) \
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{ 32, 32, 8, bfd_arch_arm, number, "arm", print, 4, default, compatible, scan, next }
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static const bfd_arch_info_type arch_info_struct[] =
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2000-11-16 21:48:09 +01:00
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{
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2002-11-30 09:39:46 +01:00
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N (bfd_mach_arm_2, "armv2", FALSE, & arch_info_struct[1]),
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N (bfd_mach_arm_2a, "armv2a", FALSE, & arch_info_struct[2]),
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N (bfd_mach_arm_3, "armv3", FALSE, & arch_info_struct[3]),
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N (bfd_mach_arm_3M, "armv3m", FALSE, & arch_info_struct[4]),
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N (bfd_mach_arm_4, "armv4", FALSE, & arch_info_struct[5]),
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N (bfd_mach_arm_4T, "armv4t", FALSE, & arch_info_struct[6]),
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N (bfd_mach_arm_5, "armv5", FALSE, & arch_info_struct[7]),
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N (bfd_mach_arm_5T, "armv5t", FALSE, & arch_info_struct[8]),
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N (bfd_mach_arm_5TE, "armv5te", FALSE, & arch_info_struct[9]),
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2003-02-10 11:44:48 +01:00
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N (bfd_mach_arm_XScale, "xscale", FALSE, & arch_info_struct[10]),
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N (bfd_mach_arm_ep9312, "ep9312", FALSE, NULL)
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1999-05-03 09:29:11 +02:00
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};
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const bfd_arch_info_type bfd_arm_arch =
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2002-11-30 09:39:46 +01:00
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N (0, "arm", TRUE, & arch_info_struct[0]);
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