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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [bfd/] [cpu-m68k.c] - Diff between revs 827 and 840

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/* BFD library support routines for architectures.
/* BFD library support routines for architectures.
   Copyright 1990, 1991, 1992, 1993, 1994, 1997, 1998, 2000, 2001, 2002,
   Copyright 1990, 1991, 1992, 1993, 1994, 1997, 1998, 2000, 2001, 2002,
   2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
   2003, 2004, 2005, 2006, 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"
#include "opcode/m68k.h"
#include "opcode/m68k.h"
 
 
static const bfd_arch_info_type *
static const bfd_arch_info_type *
bfd_m68k_compatible (const bfd_arch_info_type *a,
bfd_m68k_compatible (const bfd_arch_info_type *a,
                     const bfd_arch_info_type *b);
                     const bfd_arch_info_type *b);
 
 
#define N(name, print,d,next)  \
#define N(name, print,d,next)  \
{  32, 32, 8, bfd_arch_m68k, name, "m68k",print,2,d,bfd_m68k_compatible,bfd_default_scan, next, }
{  32, 32, 8, bfd_arch_m68k, name, "m68k",print,2,d,bfd_m68k_compatible,bfd_default_scan, next, }
 
 
static const bfd_arch_info_type arch_info_struct[] =
static const bfd_arch_info_type arch_info_struct[] =
  {
  {
    N(bfd_mach_m68000,  "m68k:68000", FALSE, &arch_info_struct[1]),
    N(bfd_mach_m68000,  "m68k:68000", FALSE, &arch_info_struct[1]),
    N(bfd_mach_m68008,  "m68k:68008", FALSE, &arch_info_struct[2]),
    N(bfd_mach_m68008,  "m68k:68008", FALSE, &arch_info_struct[2]),
    N(bfd_mach_m68010,  "m68k:68010", FALSE, &arch_info_struct[3]),
    N(bfd_mach_m68010,  "m68k:68010", FALSE, &arch_info_struct[3]),
    N(bfd_mach_m68020,  "m68k:68020", FALSE, &arch_info_struct[4]),
    N(bfd_mach_m68020,  "m68k:68020", FALSE, &arch_info_struct[4]),
    N(bfd_mach_m68030,  "m68k:68030", FALSE, &arch_info_struct[5]),
    N(bfd_mach_m68030,  "m68k:68030", FALSE, &arch_info_struct[5]),
    N(bfd_mach_m68040,  "m68k:68040", FALSE, &arch_info_struct[6]),
    N(bfd_mach_m68040,  "m68k:68040", FALSE, &arch_info_struct[6]),
    N(bfd_mach_m68060,  "m68k:68060", FALSE, &arch_info_struct[7]),
    N(bfd_mach_m68060,  "m68k:68060", FALSE, &arch_info_struct[7]),
    N(bfd_mach_cpu32,   "m68k:cpu32", FALSE, &arch_info_struct[8]),
    N(bfd_mach_cpu32,   "m68k:cpu32", FALSE, &arch_info_struct[8]),
    N(bfd_mach_fido,    "m68k:fido",  FALSE, &arch_info_struct[9]),
    N(bfd_mach_fido,    "m68k:fido",  FALSE, &arch_info_struct[9]),
 
 
    /* Various combinations of CF architecture features */
    /* Various combinations of CF architecture features */
    N(bfd_mach_mcf_isa_a_nodiv, "m68k:isa-a:nodiv",
    N(bfd_mach_mcf_isa_a_nodiv, "m68k:isa-a:nodiv",
      FALSE, &arch_info_struct[10]),
      FALSE, &arch_info_struct[10]),
    N(bfd_mach_mcf_isa_a, "m68k:isa-a",
    N(bfd_mach_mcf_isa_a, "m68k:isa-a",
      FALSE, &arch_info_struct[11]),
      FALSE, &arch_info_struct[11]),
    N(bfd_mach_mcf_isa_a_mac, "m68k:isa-a:mac",
    N(bfd_mach_mcf_isa_a_mac, "m68k:isa-a:mac",
      FALSE, &arch_info_struct[12]),
      FALSE, &arch_info_struct[12]),
    N(bfd_mach_mcf_isa_a_emac, "m68k:isa-a:emac",
    N(bfd_mach_mcf_isa_a_emac, "m68k:isa-a:emac",
      FALSE, &arch_info_struct[13]),
      FALSE, &arch_info_struct[13]),
    N(bfd_mach_mcf_isa_aplus, "m68k:isa-aplus",
    N(bfd_mach_mcf_isa_aplus, "m68k:isa-aplus",
      FALSE, &arch_info_struct[14]),
      FALSE, &arch_info_struct[14]),
    N(bfd_mach_mcf_isa_aplus_mac, "m68k:isa-aplus:mac",
    N(bfd_mach_mcf_isa_aplus_mac, "m68k:isa-aplus:mac",
      FALSE, &arch_info_struct[15]),
      FALSE, &arch_info_struct[15]),
    N(bfd_mach_mcf_isa_aplus_emac, "m68k:isa-aplus:emac",
    N(bfd_mach_mcf_isa_aplus_emac, "m68k:isa-aplus:emac",
      FALSE, &arch_info_struct[16]),
      FALSE, &arch_info_struct[16]),
    N(bfd_mach_mcf_isa_b_nousp, "m68k:isa-b:nousp",
    N(bfd_mach_mcf_isa_b_nousp, "m68k:isa-b:nousp",
      FALSE, &arch_info_struct[17]),
      FALSE, &arch_info_struct[17]),
    N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:isa-b:nousp:mac",
    N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:isa-b:nousp:mac",
      FALSE, &arch_info_struct[18]),
      FALSE, &arch_info_struct[18]),
    N(bfd_mach_mcf_isa_b_nousp_emac, "m68k:isa-b:nousp:emac",
    N(bfd_mach_mcf_isa_b_nousp_emac, "m68k:isa-b:nousp:emac",
      FALSE, &arch_info_struct[19]),
      FALSE, &arch_info_struct[19]),
    N(bfd_mach_mcf_isa_b, "m68k:isa-b",
    N(bfd_mach_mcf_isa_b, "m68k:isa-b",
      FALSE, &arch_info_struct[20]),
      FALSE, &arch_info_struct[20]),
    N(bfd_mach_mcf_isa_b_mac, "m68k:isa-b:mac",
    N(bfd_mach_mcf_isa_b_mac, "m68k:isa-b:mac",
      FALSE, &arch_info_struct[21]),
      FALSE, &arch_info_struct[21]),
    N(bfd_mach_mcf_isa_b_emac, "m68k:isa-b:emac",
    N(bfd_mach_mcf_isa_b_emac, "m68k:isa-b:emac",
      FALSE, &arch_info_struct[22]),
      FALSE, &arch_info_struct[22]),
    N(bfd_mach_mcf_isa_b_float, "m68k:isa-b:float",
    N(bfd_mach_mcf_isa_b_float, "m68k:isa-b:float",
      FALSE, &arch_info_struct[23]),
      FALSE, &arch_info_struct[23]),
    N(bfd_mach_mcf_isa_b_float_mac, "m68k:isa-b:float:mac",
    N(bfd_mach_mcf_isa_b_float_mac, "m68k:isa-b:float:mac",
      FALSE, &arch_info_struct[24]),
      FALSE, &arch_info_struct[24]),
    N(bfd_mach_mcf_isa_b_float_emac, "m68k:isa-b:float:emac",
    N(bfd_mach_mcf_isa_b_float_emac, "m68k:isa-b:float:emac",
      FALSE, &arch_info_struct[25]),
      FALSE, &arch_info_struct[25]),
    N(bfd_mach_mcf_isa_c, "m68k:isa-c",
    N(bfd_mach_mcf_isa_c, "m68k:isa-c",
      FALSE, &arch_info_struct[26]),
      FALSE, &arch_info_struct[26]),
    N(bfd_mach_mcf_isa_c_mac, "m68k:isa-c:mac",
    N(bfd_mach_mcf_isa_c_mac, "m68k:isa-c:mac",
      FALSE, &arch_info_struct[27]),
      FALSE, &arch_info_struct[27]),
    N(bfd_mach_mcf_isa_c_emac, "m68k:isa-c:emac",
    N(bfd_mach_mcf_isa_c_emac, "m68k:isa-c:emac",
      FALSE, &arch_info_struct[28]),
      FALSE, &arch_info_struct[28]),
    N(bfd_mach_mcf_isa_c_nodiv, "m68k:isa-c:nodiv",
    N(bfd_mach_mcf_isa_c_nodiv, "m68k:isa-c:nodiv",
      FALSE, &arch_info_struct[29]),
      FALSE, &arch_info_struct[29]),
    N(bfd_mach_mcf_isa_c_nodiv_mac, "m68k:isa-c:nodiv:mac",
    N(bfd_mach_mcf_isa_c_nodiv_mac, "m68k:isa-c:nodiv:mac",
      FALSE, &arch_info_struct[30]),
      FALSE, &arch_info_struct[30]),
    N(bfd_mach_mcf_isa_c_nodiv_emac, "m68k:isa-c:nodiv:emac",
    N(bfd_mach_mcf_isa_c_nodiv_emac, "m68k:isa-c:nodiv:emac",
      FALSE, &arch_info_struct[31]),
      FALSE, &arch_info_struct[31]),
 
 
    /* Legacy names for CF architectures */
    /* Legacy names for CF architectures */
    N(bfd_mach_mcf_isa_a_nodiv, "m68k:5200", FALSE, &arch_info_struct[32]),
    N(bfd_mach_mcf_isa_a_nodiv, "m68k:5200", FALSE, &arch_info_struct[32]),
    N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[33]),
    N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[33]),
    N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[34]),
    N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[34]),
    N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[35]),
    N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[35]),
    N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[36]),
    N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[36]),
    N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[37]),
    N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[37]),
    N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[38]),
    N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[38]),
    N(bfd_mach_mcf_isa_b_float_emac, "m68k:547x",
    N(bfd_mach_mcf_isa_b_float_emac, "m68k:547x",
      FALSE, &arch_info_struct[39]),
      FALSE, &arch_info_struct[39]),
    N(bfd_mach_mcf_isa_b_float_emac, "m68k:548x",
    N(bfd_mach_mcf_isa_b_float_emac, "m68k:548x",
      FALSE, &arch_info_struct[40]),
      FALSE, &arch_info_struct[40]),
    N(bfd_mach_mcf_isa_b_float_emac, "m68k:cfv4e", FALSE, 0),
    N(bfd_mach_mcf_isa_b_float_emac, "m68k:cfv4e", FALSE, 0),
  };
  };
 
 
const bfd_arch_info_type bfd_m68k_arch =
const bfd_arch_info_type bfd_m68k_arch =
  N(0, "m68k", TRUE, &arch_info_struct[0]);
  N(0, "m68k", TRUE, &arch_info_struct[0]);
 
 
/* Table indexed by bfd_mach_arch number indicating which
/* Table indexed by bfd_mach_arch number indicating which
   architectural features are supported.  */
   architectural features are supported.  */
static const unsigned m68k_arch_features[] =
static const unsigned m68k_arch_features[] =
{
{
  0,
  0,
  m68000|m68881|m68851,
  m68000|m68881|m68851,
  m68000|m68881|m68851,
  m68000|m68881|m68851,
  m68010|m68881|m68851,
  m68010|m68881|m68851,
  m68020|m68881|m68851,
  m68020|m68881|m68851,
  m68030|m68881|m68851,
  m68030|m68881|m68851,
  m68040|m68881|m68851,
  m68040|m68881|m68851,
  m68060|m68881|m68851,
  m68060|m68881|m68851,
  cpu32|m68881,
  cpu32|m68881,
  fido_a|m68881,
  fido_a|m68881,
  mcfisa_a,
  mcfisa_a,
  mcfisa_a|mcfhwdiv,
  mcfisa_a|mcfhwdiv,
  mcfisa_a|mcfhwdiv|mcfmac,
  mcfisa_a|mcfhwdiv|mcfmac,
  mcfisa_a|mcfhwdiv|mcfemac,
  mcfisa_a|mcfhwdiv|mcfemac,
  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp,
  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp,
  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp|mcfmac,
  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp|mcfmac,
  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp|mcfemac,
  mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp|mcfemac,
  mcfisa_a|mcfhwdiv|mcfisa_b,
  mcfisa_a|mcfhwdiv|mcfisa_b,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfmac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfmac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|mcfmac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|mcfmac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|mcfemac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|mcfemac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfmac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfmac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfemac,
  mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfemac,
  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp,
  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp,
  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfmac,
  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfmac,
  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfemac,
  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfemac,
  mcfisa_a|mcfisa_c|mcfusp,
  mcfisa_a|mcfisa_c|mcfusp,
  mcfisa_a|mcfisa_c|mcfusp|mcfmac,
  mcfisa_a|mcfisa_c|mcfusp|mcfmac,
  mcfisa_a|mcfisa_c|mcfusp|mcfemac,
  mcfisa_a|mcfisa_c|mcfusp|mcfemac,
};
};
 
 
/* Return the count of bits set in MASK  */
/* Return the count of bits set in MASK  */
static unsigned
static unsigned
bit_count (unsigned mask)
bit_count (unsigned mask)
{
{
  unsigned ix;
  unsigned ix;
 
 
  for (ix = 0; mask; ix++)
  for (ix = 0; mask; ix++)
    /* Clear the LSB set */
    /* Clear the LSB set */
    mask ^= mask & -mask;
    mask ^= mask & -mask;
  return ix;
  return ix;
}
}
 
 
/* Return the architectural features supported by MACH */
/* Return the architectural features supported by MACH */
 
 
unsigned
unsigned
bfd_m68k_mach_to_features (int mach)
bfd_m68k_mach_to_features (int mach)
{
{
  if ((unsigned)mach
  if ((unsigned)mach
      >= sizeof (m68k_arch_features) / sizeof (m68k_arch_features[0]))
      >= sizeof (m68k_arch_features) / sizeof (m68k_arch_features[0]))
    mach = 0;
    mach = 0;
  return m68k_arch_features[mach];
  return m68k_arch_features[mach];
}
}
 
 
/* Return the bfd machine that most closely represents the
/* Return the bfd machine that most closely represents the
   architectural features.  We find the machine with the smallest
   architectural features.  We find the machine with the smallest
   number of additional features.  If there is no such machine, we
   number of additional features.  If there is no such machine, we
   find the one with the smallest number of missing features.  */
   find the one with the smallest number of missing features.  */
 
 
int bfd_m68k_features_to_mach (unsigned features)
int bfd_m68k_features_to_mach (unsigned features)
{
{
  int superset = 0, subset = 0;
  int superset = 0, subset = 0;
  unsigned extra = 99, missing = 99;
  unsigned extra = 99, missing = 99;
  unsigned ix;
  unsigned ix;
 
 
  for (ix = 0;
  for (ix = 0;
       ix != sizeof (m68k_arch_features) / sizeof (m68k_arch_features[0]);
       ix != sizeof (m68k_arch_features) / sizeof (m68k_arch_features[0]);
       ix++)
       ix++)
    {
    {
      unsigned this_extra, this_missing;
      unsigned this_extra, this_missing;
 
 
      if (m68k_arch_features[ix] == features)
      if (m68k_arch_features[ix] == features)
        return ix;
        return ix;
      this_extra = bit_count (m68k_arch_features[ix] & ~features);
      this_extra = bit_count (m68k_arch_features[ix] & ~features);
      if (this_extra < extra)
      if (this_extra < extra)
        {
        {
          extra = this_extra;
          extra = this_extra;
          superset = ix;
          superset = ix;
        }
        }
 
 
      this_missing = bit_count (features & ~m68k_arch_features[ix]);
      this_missing = bit_count (features & ~m68k_arch_features[ix]);
      if (this_missing < missing)
      if (this_missing < missing)
        {
        {
          missing = this_missing;
          missing = this_missing;
          superset = ix;
          superset = ix;
        }
        }
    }
    }
  return superset ? superset : subset;
  return superset ? superset : subset;
}
}
 
 
static const bfd_arch_info_type *
static const bfd_arch_info_type *
bfd_m68k_compatible (const bfd_arch_info_type *a,
bfd_m68k_compatible (const bfd_arch_info_type *a,
                     const bfd_arch_info_type *b)
                     const bfd_arch_info_type *b)
{
{
  if (a->arch != b->arch)
  if (a->arch != b->arch)
    return NULL;
    return NULL;
 
 
  if (a->bits_per_word != b->bits_per_word)
  if (a->bits_per_word != b->bits_per_word)
    return NULL;
    return NULL;
 
 
  if (!a->mach)
  if (!a->mach)
    return b;
    return b;
  if (!b->mach)
  if (!b->mach)
    return a;
    return a;
 
 
  if (a->mach <= bfd_mach_m68060 && b->mach <= bfd_mach_m68060)
  if (a->mach <= bfd_mach_m68060 && b->mach <= bfd_mach_m68060)
    /* Merge m68k machine. */
    /* Merge m68k machine. */
    return a->mach > b->mach ? a : b;
    return a->mach > b->mach ? a : b;
  else if (a->mach >= bfd_mach_cpu32 && b->mach >= bfd_mach_cpu32)
  else if (a->mach >= bfd_mach_cpu32 && b->mach >= bfd_mach_cpu32)
    {
    {
      /* Merge the machine features.  */
      /* Merge the machine features.  */
      unsigned features = (bfd_m68k_mach_to_features (a->mach)
      unsigned features = (bfd_m68k_mach_to_features (a->mach)
                           | bfd_m68k_mach_to_features (b->mach));
                           | bfd_m68k_mach_to_features (b->mach));
 
 
      /* CPU32 and Coldfire are incompatible.  */
      /* CPU32 and Coldfire are incompatible.  */
      if ((~features & (cpu32 | mcfisa_a)) == 0)
      if ((~features & (cpu32 | mcfisa_a)) == 0)
        return NULL;
        return NULL;
 
 
      /* Fido and Coldfire are incompatible.  */
      /* Fido and Coldfire are incompatible.  */
      if ((~features & (fido_a | mcfisa_a)) == 0)
      if ((~features & (fido_a | mcfisa_a)) == 0)
        return NULL;
        return NULL;
 
 
      /* ISA A+ and ISA B are incompatible.  */
      /* ISA A+ and ISA B are incompatible.  */
      if ((~features & (mcfisa_aa | mcfisa_b)) == 0)
      if ((~features & (mcfisa_aa | mcfisa_b)) == 0)
        return NULL;
        return NULL;
 
 
      /* ISA B and ISA C are incompatible.  */
      /* ISA B and ISA C are incompatible.  */
      if ((~features & (mcfisa_b | mcfisa_c)) == 0)
      if ((~features & (mcfisa_b | mcfisa_c)) == 0)
        return NULL;
        return NULL;
 
 
      /* MAC and EMAC code cannot be merged.  */
      /* MAC and EMAC code cannot be merged.  */
      if ((~features & (mcfmac | mcfemac)) == 0)
      if ((~features & (mcfmac | mcfemac)) == 0)
        return NULL;
        return NULL;
 
 
      /* CPU32 is compatible with Fido except that Fido does not
      /* CPU32 is compatible with Fido except that Fido does not
         support tbl instructions.  Warn when the user wants to mix
         support tbl instructions.  Warn when the user wants to mix
         the two.  */
         the two.  */
      if ((a->mach == bfd_mach_cpu32 && b->mach == bfd_mach_fido)
      if ((a->mach == bfd_mach_cpu32 && b->mach == bfd_mach_fido)
          || (a->mach == bfd_mach_fido && b->mach == bfd_mach_cpu32))
          || (a->mach == bfd_mach_fido && b->mach == bfd_mach_cpu32))
        {
        {
          static int cpu32_fido_mix_warning;
          static int cpu32_fido_mix_warning;
          if (!cpu32_fido_mix_warning)
          if (!cpu32_fido_mix_warning)
            {
            {
              cpu32_fido_mix_warning = 1;
              cpu32_fido_mix_warning = 1;
              (*_bfd_error_handler) ("warning: linking CPU32 objects with fido objects");
              (*_bfd_error_handler) ("warning: linking CPU32 objects with fido objects");
            }
            }
          return bfd_lookup_arch (a->arch,
          return bfd_lookup_arch (a->arch,
                                  bfd_m68k_features_to_mach (fido_a | m68881));
                                  bfd_m68k_features_to_mach (fido_a | m68881));
        }
        }
 
 
      return bfd_lookup_arch (a->arch, bfd_m68k_features_to_mach (features));
      return bfd_lookup_arch (a->arch, bfd_m68k_features_to_mach (features));
    }
    }
  else
  else
    /* They are incompatible.  */
    /* They are incompatible.  */
    return NULL;
    return NULL;
}
}
 
 

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