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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [bfd/] [cpu-i960.c] - Diff between revs 827 and 840

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/* BFD library support routines for the i960 architecture.
/* BFD library support routines for the i960 architecture.
   Copyright 1990, 1991, 1993, 1994, 1996, 1999, 2000, 2001, 2002, 2005, 2006,
   Copyright 1990, 1991, 1993, 1994, 1996, 1999, 2000, 2001, 2002, 2005, 2006,
   2007 Free Software Foundation, Inc.
   2007 Free Software Foundation, Inc.
   Hacked by Steve Chamberlain of Cygnus Support.
   Hacked by Steve Chamberlain of Cygnus Support.
 
 
   This file is part of BFD, the Binary File Descriptor library.
   This file is part of BFD, the Binary File Descriptor library.
 
 
   This program is free software; you can redistribute it and/or modify
   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
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */
   MA 02110-1301, USA.  */
 
 
#include "sysdep.h"
#include "sysdep.h"
#include "bfd.h"
#include "bfd.h"
#include "libbfd.h"
#include "libbfd.h"
 
 
static bfd_boolean scan_960_mach
static bfd_boolean scan_960_mach
  PARAMS ((const bfd_arch_info_type *, const char *));
  PARAMS ((const bfd_arch_info_type *, const char *));
static const bfd_arch_info_type *compatible
static const bfd_arch_info_type *compatible
  PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
  PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
 
 
/* This routine is provided a string, and tries to work out if it
/* This routine is provided a string, and tries to work out if it
   could possibly refer to the i960 machine pointed at in the
   could possibly refer to the i960 machine pointed at in the
   info_struct pointer */
   info_struct pointer */
 
 
static bfd_boolean
static bfd_boolean
scan_960_mach (ap, string)
scan_960_mach (ap, string)
     const bfd_arch_info_type *ap;
     const bfd_arch_info_type *ap;
     const char *string;
     const char *string;
{
{
  unsigned long machine;
  unsigned long machine;
  int fail_because_not_80960 = FALSE;
  int fail_because_not_80960 = FALSE;
 
 
  /* Look for the string i960 at the front of the string.  */
  /* Look for the string i960 at the front of the string.  */
  if (strncasecmp ("i960", string, 4) == 0)
  if (strncasecmp ("i960", string, 4) == 0)
    {
    {
      string += 4;
      string += 4;
 
 
      /* i960 on it's own means core to us.  */
      /* i960 on it's own means core to us.  */
      if (* string == 0)
      if (* string == 0)
        return ap->mach == bfd_mach_i960_core;
        return ap->mach == bfd_mach_i960_core;
 
 
      /* "i960:*" is valid, anything else is not.  */
      /* "i960:*" is valid, anything else is not.  */
      if (* string != ':')
      if (* string != ':')
        return FALSE;
        return FALSE;
 
 
      string ++;
      string ++;
    }
    }
  /* In some bfds the cpu-id is written as "80960KA", "80960KB",
  /* In some bfds the cpu-id is written as "80960KA", "80960KB",
     "80960CA" or "80960MC".  */
     "80960CA" or "80960MC".  */
  else if (CONST_STRNEQ (string, "80960"))
  else if (CONST_STRNEQ (string, "80960"))
    {
    {
      string += 5;
      string += 5;
 
 
      /* Set this to TRUE here.  If a correct matching postfix
      /* Set this to TRUE here.  If a correct matching postfix
         is detected below it will be reset to FALSE.  */
         is detected below it will be reset to FALSE.  */
      fail_because_not_80960 = TRUE;
      fail_because_not_80960 = TRUE;
    }
    }
  /* No match, can't be us.  */
  /* No match, can't be us.  */
  else
  else
    return FALSE;
    return FALSE;
 
 
  if (* string == '\0')
  if (* string == '\0')
    return FALSE;
    return FALSE;
 
 
  if (string[0] == 'c' && string[1] == 'o' && string[2] == 'r' &&
  if (string[0] == 'c' && string[1] == 'o' && string[2] == 'r' &&
      string[3] == 'e' && string[4] == '\0')
      string[3] == 'e' && string[4] == '\0')
    machine = bfd_mach_i960_core;
    machine = bfd_mach_i960_core;
  else if (strcasecmp (string, "ka_sa") == 0)
  else if (strcasecmp (string, "ka_sa") == 0)
    machine = bfd_mach_i960_ka_sa;
    machine = bfd_mach_i960_ka_sa;
  else if (strcasecmp (string, "kb_sb") == 0)
  else if (strcasecmp (string, "kb_sb") == 0)
    machine = bfd_mach_i960_kb_sb;
    machine = bfd_mach_i960_kb_sb;
  else if (string[1] == '\0' || string[2] != '\0') /* rest are 2-char.  */
  else if (string[1] == '\0' || string[2] != '\0') /* rest are 2-char.  */
    return FALSE;
    return FALSE;
  else if (string[0] == 'k' && string[1] == 'b')
  else if (string[0] == 'k' && string[1] == 'b')
    { machine = bfd_mach_i960_kb_sb; fail_because_not_80960 = FALSE; }
    { machine = bfd_mach_i960_kb_sb; fail_because_not_80960 = FALSE; }
  else if (string[0] == 's' && string[1] == 'b')
  else if (string[0] == 's' && string[1] == 'b')
    machine = bfd_mach_i960_kb_sb;
    machine = bfd_mach_i960_kb_sb;
  else if (string[0] == 'm' && string[1] == 'c')
  else if (string[0] == 'm' && string[1] == 'c')
    { machine = bfd_mach_i960_mc; fail_because_not_80960 = FALSE; }
    { machine = bfd_mach_i960_mc; fail_because_not_80960 = FALSE; }
  else if (string[0] == 'x' && string[1] == 'a')
  else if (string[0] == 'x' && string[1] == 'a')
    machine = bfd_mach_i960_xa;
    machine = bfd_mach_i960_xa;
  else if (string[0] == 'c' && string[1] == 'a')
  else if (string[0] == 'c' && string[1] == 'a')
    { machine = bfd_mach_i960_ca; fail_because_not_80960 = FALSE; }
    { machine = bfd_mach_i960_ca; fail_because_not_80960 = FALSE; }
  else if (string[0] == 'k' && string[1] == 'a')
  else if (string[0] == 'k' && string[1] == 'a')
    { machine = bfd_mach_i960_ka_sa; fail_because_not_80960 = FALSE; }
    { machine = bfd_mach_i960_ka_sa; fail_because_not_80960 = FALSE; }
  else if (string[0] == 's' && string[1] == 'a')
  else if (string[0] == 's' && string[1] == 'a')
    machine = bfd_mach_i960_ka_sa;
    machine = bfd_mach_i960_ka_sa;
  else if (string[0] == 'j' && string[1] == 'x')
  else if (string[0] == 'j' && string[1] == 'x')
    machine = bfd_mach_i960_jx;
    machine = bfd_mach_i960_jx;
  else if (string[0] == 'h' && string[1] == 'x')
  else if (string[0] == 'h' && string[1] == 'x')
    machine = bfd_mach_i960_hx;
    machine = bfd_mach_i960_hx;
  else
  else
    return FALSE;
    return FALSE;
 
 
  if (fail_because_not_80960)
  if (fail_because_not_80960)
    return FALSE;
    return FALSE;
 
 
  if (machine == ap->mach)
  if (machine == ap->mach)
    return TRUE;
    return TRUE;
 
 
  return FALSE;
  return FALSE;
}
}
 
 
/* This routine is provided two arch_infos and works out the i960
/* This routine is provided two arch_infos and works out the i960
   machine which would be compatible with both and returns a pointer
   machine which would be compatible with both and returns a pointer
   to its info structure */
   to its info structure */
 
 
static const bfd_arch_info_type *
static const bfd_arch_info_type *
compatible (a,b)
compatible (a,b)
     const bfd_arch_info_type *a;
     const bfd_arch_info_type *a;
     const bfd_arch_info_type *b;
     const bfd_arch_info_type *b;
{
{
 
 
  /* The i960 has distinct subspecies which may not interbreed:
  /* The i960 has distinct subspecies which may not interbreed:
        CORE CA
        CORE CA
        CORE KA KB MC XA
        CORE KA KB MC XA
        CORE HX JX
        CORE HX JX
     Any architecture on the same line is compatible, the one on
     Any architecture on the same line is compatible, the one on
     the right is the least restrictive.
     the right is the least restrictive.
 
 
     We represent this information in an array, each machine to a side */
     We represent this information in an array, each machine to a side */
 
 
#define ERROR   0
#define ERROR   0
#define CORE    bfd_mach_i960_core  /*1*/
#define CORE    bfd_mach_i960_core  /*1*/
#define KA      bfd_mach_i960_ka_sa /*2*/
#define KA      bfd_mach_i960_ka_sa /*2*/
#define KB      bfd_mach_i960_kb_sb /*3*/
#define KB      bfd_mach_i960_kb_sb /*3*/
#define MC      bfd_mach_i960_mc    /*4*/
#define MC      bfd_mach_i960_mc    /*4*/
#define XA      bfd_mach_i960_xa    /*5*/
#define XA      bfd_mach_i960_xa    /*5*/
#define CA      bfd_mach_i960_ca    /*6*/
#define CA      bfd_mach_i960_ca    /*6*/
#define JX      bfd_mach_i960_jx    /*7*/
#define JX      bfd_mach_i960_jx    /*7*/
#define HX      bfd_mach_i960_hx    /*8*/
#define HX      bfd_mach_i960_hx    /*8*/
#define MAX_ARCH ((int)HX)
#define MAX_ARCH ((int)HX)
 
 
  static const unsigned long matrix[MAX_ARCH+1][MAX_ARCH+1] =
  static const unsigned long matrix[MAX_ARCH+1][MAX_ARCH+1] =
    {
    {
      { ERROR,  CORE,   KA,     KB,     MC,     XA,     CA,     JX,     HX },
      { ERROR,  CORE,   KA,     KB,     MC,     XA,     CA,     JX,     HX },
      { CORE,   CORE,   KA,     KB,     MC,     XA,     CA,     JX,     HX },
      { CORE,   CORE,   KA,     KB,     MC,     XA,     CA,     JX,     HX },
      { KA,     KA,     KA,     KB,     MC,     XA,     ERROR,  ERROR,  ERROR},
      { KA,     KA,     KA,     KB,     MC,     XA,     ERROR,  ERROR,  ERROR},
      { KB,     KB,     KB,     KB,     MC,     XA,     ERROR,  ERROR,  ERROR},
      { KB,     KB,     KB,     KB,     MC,     XA,     ERROR,  ERROR,  ERROR},
      { MC,     MC,     MC,     MC,     MC,     XA,     ERROR,  ERROR,  ERROR},
      { MC,     MC,     MC,     MC,     MC,     XA,     ERROR,  ERROR,  ERROR},
      { XA,     XA,     XA,     XA,     XA,     XA,     ERROR,  ERROR,  ERROR},
      { XA,     XA,     XA,     XA,     XA,     XA,     ERROR,  ERROR,  ERROR},
      { CA,     CA,     ERROR,  ERROR,  ERROR,  ERROR,  CA,     ERROR,  ERROR},
      { CA,     CA,     ERROR,  ERROR,  ERROR,  ERROR,  CA,     ERROR,  ERROR},
      { JX,     JX,     ERROR,  ERROR,  ERROR,  ERROR,  ERROR,  JX,     HX },
      { JX,     JX,     ERROR,  ERROR,  ERROR,  ERROR,  ERROR,  JX,     HX },
      { HX,     HX,     ERROR,  ERROR,  ERROR,  ERROR,  ERROR,  HX,     HX },
      { HX,     HX,     ERROR,  ERROR,  ERROR,  ERROR,  ERROR,  HX,     HX },
    };
    };
 
 
  if (a->arch != b->arch || matrix[a->mach][b->mach] == ERROR)
  if (a->arch != b->arch || matrix[a->mach][b->mach] == ERROR)
    {
    {
    return NULL;
    return NULL;
    }
    }
  else
  else
    {
    {
    return (a->mach  ==  matrix[a->mach][b->mach]) ?  a : b;
    return (a->mach  ==  matrix[a->mach][b->mach]) ?  a : b;
    }
    }
}
}
 
 
#define N(a,b,d,n) \
#define N(a,b,d,n) \
{ 32, 32, 8,bfd_arch_i960,a,"i960",b,3,d,compatible,scan_960_mach,n,}
{ 32, 32, 8,bfd_arch_i960,a,"i960",b,3,d,compatible,scan_960_mach,n,}
 
 
static const bfd_arch_info_type arch_info_struct[] =
static const bfd_arch_info_type arch_info_struct[] =
{
{
  N(bfd_mach_i960_ka_sa,"i960:ka_sa",FALSE, &arch_info_struct[1]),
  N(bfd_mach_i960_ka_sa,"i960:ka_sa",FALSE, &arch_info_struct[1]),
  N(bfd_mach_i960_kb_sb,"i960:kb_sb",FALSE, &arch_info_struct[2]),
  N(bfd_mach_i960_kb_sb,"i960:kb_sb",FALSE, &arch_info_struct[2]),
  N(bfd_mach_i960_mc,   "i960:mc",   FALSE, &arch_info_struct[3]),
  N(bfd_mach_i960_mc,   "i960:mc",   FALSE, &arch_info_struct[3]),
  N(bfd_mach_i960_xa,   "i960:xa",   FALSE, &arch_info_struct[4]),
  N(bfd_mach_i960_xa,   "i960:xa",   FALSE, &arch_info_struct[4]),
  N(bfd_mach_i960_ca,   "i960:ca",   FALSE, &arch_info_struct[5]),
  N(bfd_mach_i960_ca,   "i960:ca",   FALSE, &arch_info_struct[5]),
  N(bfd_mach_i960_jx,   "i960:jx",   FALSE, &arch_info_struct[6]),
  N(bfd_mach_i960_jx,   "i960:jx",   FALSE, &arch_info_struct[6]),
  N(bfd_mach_i960_hx,   "i960:hx",   FALSE, 0),
  N(bfd_mach_i960_hx,   "i960:hx",   FALSE, 0),
};
};
 
 
const bfd_arch_info_type bfd_i960_arch =
const bfd_arch_info_type bfd_i960_arch =
  N(bfd_mach_i960_core, "i960:core", TRUE, &arch_info_struct[0]);
  N(bfd_mach_i960_core, "i960:core", TRUE, &arch_info_struct[0]);
 
 

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