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Diffstat (limited to 'bfd/cpu-m68k.c')
-rw-r--r--bfd/cpu-m68k.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/bfd/cpu-m68k.c b/bfd/cpu-m68k.c
index ee45ffe..2e6f6c6 100644
--- a/bfd/cpu-m68k.c
+++ b/bfd/cpu-m68k.c
@@ -41,7 +41,7 @@ static const bfd_arch_info_type arch_info_struct[] =
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_cpu32, "m68k:cpu32", FALSE, &arch_info_struct[8]),
- N(bfd_mach_cpu32_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 */
N(bfd_mach_mcf_isa_a_nodiv, "m68k:isa-a:nodiv",
@@ -108,7 +108,7 @@ static const unsigned m68k_arch_features[] =
m68040|m68881|m68851,
m68060|m68881|m68851,
cpu32|m68881,
- cpu32|m68881|fido_a,
+ fido_a|m68881,
mcfisa_a,
mcfisa_a|mcfhwdiv,
mcfisa_a|mcfhwdiv|mcfmac,
@@ -214,6 +214,10 @@ bfd_m68k_compatible (const bfd_arch_info_type *a,
if ((~features & (cpu32 | mcfisa_a)) == 0)
return NULL;
+ /* Fido and Coldfire are incompatible. */
+ if ((~features & (fido_a | mcfisa_a)) == 0)
+ return NULL;
+
/* ISA A+ and ISA B are incompatible. */
if ((~features & (mcfisa_aa | mcfisa_b)) == 0)
return NULL;
@@ -222,6 +226,22 @@ bfd_m68k_compatible (const bfd_arch_info_type *a,
if ((~features & (mcfmac | mcfemac)) == 0)
return NULL;
+ /* CPU32 is compatible with Fido except that Fido does not
+ support tbl instructions. Warn when the user wants to mix
+ the two. */
+ if ((a->mach == bfd_mach_cpu32 && b->mach == bfd_mach_fido)
+ || (a->mach == bfd_mach_fido && b->mach == bfd_mach_cpu32))
+ {
+ static int cpu32_fido_mix_warning;
+ if (!cpu32_fido_mix_warning)
+ {
+ cpu32_fido_mix_warning = 1;
+ (*_bfd_error_handler) ("warning: linking CPU32 objects with fido objects");
+ }
+ return bfd_lookup_arch (a->arch,
+ bfd_m68k_features_to_mach (fido_a | m68881));
+ }
+
return bfd_lookup_arch (a->arch, bfd_m68k_features_to_mach (features));
}
else