mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-23 20:19:49 +00:00
144 lines
4.3 KiB
C
144 lines
4.3 KiB
C
/* BFD support for the ARM processor
|
|
Copyright 1994, 95, 97, 1999 Free Software Foundation, Inc.
|
|
Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
|
|
|
|
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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "libbfd.h"
|
|
|
|
static const bfd_arch_info_type *compatible
|
|
PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
|
|
static boolean scan PARAMS ((const struct bfd_arch_info *, const char *));
|
|
|
|
/* This routine is provided two arch_infos and works out which ARM
|
|
machine which would be compatible with both and returns a pointer
|
|
to its info structure */
|
|
|
|
static const bfd_arch_info_type *
|
|
compatible (a,b)
|
|
const bfd_arch_info_type * a;
|
|
const bfd_arch_info_type * b;
|
|
{
|
|
/* If a & b are for different architecture we can do nothing */
|
|
if (a->arch != b->arch)
|
|
return NULL;
|
|
|
|
/* If a & b are for the same machine then all is well */
|
|
if (a->mach == b->mach)
|
|
return a;
|
|
|
|
/* Otherwise if either a or b is the 'default' machine then
|
|
it can be polymorphed into the other */
|
|
if (a->the_default)
|
|
return b;
|
|
|
|
if (b->the_default)
|
|
return a;
|
|
|
|
/* So far all newer ARM architecture cores are supersets of previous cores */
|
|
if (a->mach < b->mach)
|
|
return b;
|
|
else if (a->mach > b->mach)
|
|
return a;
|
|
|
|
/* Never reached! */
|
|
return NULL;
|
|
}
|
|
|
|
static struct
|
|
{
|
|
enum bfd_architecture arch;
|
|
char * name;
|
|
}
|
|
processors[] =
|
|
{
|
|
{ bfd_mach_arm_2, "arm2" },
|
|
{ bfd_mach_arm_2a, "arm250" },
|
|
{ bfd_mach_arm_2a, "arm3" },
|
|
{ bfd_mach_arm_3, "arm6" },
|
|
{ bfd_mach_arm_3, "arm60" },
|
|
{ bfd_mach_arm_3, "arm600" },
|
|
{ bfd_mach_arm_3, "arm610" },
|
|
{ bfd_mach_arm_3, "arm7" },
|
|
{ bfd_mach_arm_3, "arm710" },
|
|
{ bfd_mach_arm_3, "arm7500" },
|
|
{ bfd_mach_arm_3, "arm7d" },
|
|
{ bfd_mach_arm_3, "arm7di" },
|
|
{ bfd_mach_arm_3M, "arm7dm" },
|
|
{ bfd_mach_arm_3M, "arm7dmi" },
|
|
{ bfd_mach_arm_4T, "arm7tdmi" },
|
|
{ bfd_mach_arm_4, "arm8" },
|
|
{ bfd_mach_arm_4, "arm810" },
|
|
{ bfd_mach_arm_4, "arm9" },
|
|
{ bfd_mach_arm_4, "arm920" },
|
|
{ bfd_mach_arm_4T, "arm920t" },
|
|
{ bfd_mach_arm_4T, "arm9tdmi" },
|
|
{ bfd_mach_arm_4, "sa1" },
|
|
{ bfd_mach_arm_4, "strongarm"},
|
|
{ bfd_mach_arm_4, "strongarm110" },
|
|
{ bfd_mach_arm_4, "strongarm1100" },
|
|
};
|
|
|
|
static boolean
|
|
scan (info, string)
|
|
const struct bfd_arch_info * info;
|
|
const char * string;
|
|
{
|
|
int i;
|
|
|
|
/* First test for an exact match */
|
|
if (strcasecmp (string, info->printable_name) == 0)
|
|
return true;
|
|
|
|
/* Next check for a processor name instead of an Architecture name */
|
|
for (i = sizeof (processors) / sizeof (processors[0]); i--;)
|
|
{
|
|
if (strcasecmp (string, processors[ i ].name) == 0)
|
|
break;
|
|
}
|
|
|
|
if (i != -1 && info->arch == processors[ i ].arch)
|
|
return true;
|
|
|
|
/* Finally check for the default architecture */
|
|
if (strcasecmp (string, "arm") == 0)
|
|
return info->the_default;
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
#define N(number, print, default, next) \
|
|
{ 32, 32, 8, bfd_arch_arm, number, "arm", print, 4, default, compatible, scan, next }
|
|
|
|
static const bfd_arch_info_type arch_info_struct[] =
|
|
{
|
|
N( bfd_mach_arm_2, "armv2", false, & arch_info_struct[1] ),
|
|
N( bfd_mach_arm_2a, "armv2a", false, & arch_info_struct[2] ),
|
|
N( bfd_mach_arm_3, "armv3", false, & arch_info_struct[3] ),
|
|
N( bfd_mach_arm_3M, "armv3m", false, & arch_info_struct[4] ),
|
|
N( bfd_mach_arm_4, "armv4", false, & arch_info_struct[5] ),
|
|
N( bfd_mach_arm_4T, "armv4t", false, & arch_info_struct[6] ),
|
|
N( bfd_mach_arm_5, "armv5", false, & arch_info_struct[7] ),
|
|
N( bfd_mach_arm_5T, "armv5t", false, NULL )
|
|
};
|
|
|
|
const bfd_arch_info_type bfd_arm_arch =
|
|
N( 0, "arm", true, & arch_info_struct[0] );
|