/* BFD support for the ARM processor   Copyright 1994, 1997, 1999, 2000 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 modifyit under the terms of the GNU General Public License as published bythe 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this program; if not, write to the Free SoftwareFoundation, 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" },  { bfd_mach_arm_XScale, "xscale" }};static booleanscan (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, & 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] );