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[/] [or1k/] [trunk/] [gdb-5.3/] [bfd/] [cpu-arm.c] - Rev 1765
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/* BFD support for the ARM processor Copyright 1994, 1997, 1999, 2000, 2002 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 { unsigned int mach; 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" }, { bfd_mach_arm_XScale, "xscale" } }; 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->mach == processors [i].mach) 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, & arch_info_struct[8]), N (bfd_mach_arm_5TE, "armv5te", false, & arch_info_struct[9]), N (bfd_mach_arm_XScale, "xscale", false, NULL) }; const bfd_arch_info_type bfd_arm_arch = N (0, "arm", true, & arch_info_struct[0]);