bfd/

	* archures.c (bfd_mach_cpu32_fido): Rename to bfd_mach_fido.
	* bfd-in2.h: Regenerate.
	* cpu-m68k.c (arch_info_struct): Use bfd_mach_fido instead of
	bfd_mach_cpu32_fido.
	(m68k_arch_features): Use fido_a instead of cpu32.
	(bfd_m68k_compatible): Reject the combination of Fido and
	ColdFire.  Accept the combination of CPU32 and Fido with a
	warning.
	* elf32-m68k.c (elf32_m68k_object_p,
	elf32_m68k_merge_private_bfd_data,
	elf32_m68k_print_private_bfd_data): Treat Fido as an
	architecture by itself.

binutils/
	* readelf.c (get_machine_flags): Treat Fido as an architecture
	by itself.

gas/
	* config/tc-m68k.c (m68k_archs, m68k_cpus): Treat Fido as an
	architecture by itself.
	(m68k_ip): Don't issue a warning for tbl instructions on fido.
	(m68k_elf_final_processing): Treat Fido as an architecture by
	itself.

include/elf/
	* m68k.h (EF_M68K_FIDO): New.
	(EF_M68K_ARCH_MASK): OR EF_M68K_FIDO.
	(EF_M68K_CPU32_FIDO_A, EF_M68K_CPU32_MASK): Remove.

include/opcode/
	* m68k.h (m68010up): OR fido_a.

opcodes/
	* m68k-opc.c (m68k_opcodes): Replace cpu32 with
	cpu32 | fido_a except on tbl instructions.

5 files changed, 54 insertions, 18 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 402b0a3..6bbe72a 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,18 @@
+2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
+
+	* archures.c (bfd_mach_cpu32_fido): Rename to bfd_mach_fido.
+	* bfd-in2.h: Regenerate.
+	* cpu-m68k.c (arch_info_struct): Use bfd_mach_fido instead of
+	bfd_mach_cpu32_fido.
+	(m68k_arch_features): Use fido_a instead of cpu32.
+	(bfd_m68k_compatible): Reject the combination of Fido and
+	ColdFire.  Accept the combination of CPU32 and Fido with a
+	warning.
+	* elf32-m68k.c (elf32_m68k_object_p,
+	elf32_m68k_merge_private_bfd_data,
+	elf32_m68k_print_private_bfd_data): Treat Fido as an
+	architecture by itself.
+
 2007-01-08  Kai Tietz	<kai.tietz@onevision.com>
 
 	* config.bfd: Renamed target x86_64-*-mingw64 to x86_64-*-mingw*.
diff --git a/bfd/archures.c b/bfd/archures.c
index 89a3805..a9fca3b 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -80,7 +80,7 @@ DESCRIPTION
 .#define bfd_mach_m68040 6
 .#define bfd_mach_m68060 7
 .#define bfd_mach_cpu32  8
-.#define bfd_mach_cpu32_fido  9
+.#define bfd_mach_fido   9
 .#define bfd_mach_mcf_isa_a_nodiv 10
 .#define bfd_mach_mcf_isa_a 11
 .#define bfd_mach_mcf_isa_a_mac 12
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index d82d468..da24ce5 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1715,7 +1715,7 @@ enum bfd_architecture
 #define bfd_mach_m68040 6
 #define bfd_mach_m68060 7
 #define bfd_mach_cpu32  8
-#define bfd_mach_cpu32_fido  9
+#define bfd_mach_fido   9
 #define bfd_mach_mcf_isa_a_nodiv 10
 #define bfd_mach_mcf_isa_a 11
 #define bfd_mach_mcf_isa_a_mac 12
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
diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c
index 1c04a69..ad7e56f 100644
--- a/bfd/elf32-m68k.c
+++ b/bfd/elf32-m68k.c
@@ -432,14 +432,9 @@ elf32_m68k_object_p (bfd *abfd)
   if ((eflags & EF_M68K_ARCH_MASK) == EF_M68K_M68000)
     features |= m68000;
   else if ((eflags & EF_M68K_ARCH_MASK) == EF_M68K_CPU32)
-    {
-      features |= cpu32;
-      switch (eflags & EF_M68K_CPU32_MASK)
-	{
-        case EF_M68K_CPU32_FIDO_A:
-	  features |= fido_a; break;
-	}
-    }
+    features |= cpu32;
+  else if ((eflags & EF_M68K_ARCH_MASK) == EF_M68K_FIDO)
+    features |= fido_a;
   else
     {
       switch (eflags & EF_M68K_CF_ISA_MASK)
@@ -530,7 +525,9 @@ elf32_m68k_merge_private_bfd_data (ibfd, obfd)
       if ((in_flags & EF_M68K_ARCH_MASK) == EF_M68K_M68000)
 	variant_mask = 0;
       else if ((in_flags & EF_M68K_ARCH_MASK) == EF_M68K_CPU32)
-	variant_mask = EF_M68K_CPU32_MASK;
+	variant_mask = 0;
+      else if ((in_flags & EF_M68K_ARCH_MASK) == EF_M68K_FIDO)
+	variant_mask = 0;
       else
 	variant_mask = EF_M68K_CF_ISA_MASK;
 
@@ -538,6 +535,12 @@ elf32_m68k_merge_private_bfd_data (ibfd, obfd)
       out_isa = (out_flags & variant_mask);
       if (in_isa > out_isa)
 	out_flags ^= in_isa ^ out_isa;
+      if (((in_flags & EF_M68K_ARCH_MASK) == EF_M68K_CPU32
+	   && (out_flags & EF_M68K_ARCH_MASK) == EF_M68K_FIDO)
+	  || ((in_flags & EF_M68K_ARCH_MASK) == EF_M68K_FIDO
+	      && (out_flags & EF_M68K_ARCH_MASK) == EF_M68K_CPU32))
+	out_flags = EF_M68K_FIDO;
+      else
       out_flags |= in_flags ^ in_isa;
     }
   elf_elfheader (obfd)->e_flags = out_flags;
@@ -567,11 +570,9 @@ elf32_m68k_print_private_bfd_data (abfd, ptr)
   if ((eflags & EF_M68K_ARCH_MASK) == EF_M68K_M68000)
     fprintf (file, " [m68000]");
   else if ((eflags & EF_M68K_ARCH_MASK) == EF_M68K_CPU32)
-    {
-      fprintf (file, " [cpu32]");
-      if (eflags & EF_M68K_CPU32_FIDO_A)
-	fprintf (file, " [fido]");
-    }
+    fprintf (file, " [cpu32]");
+  else if ((eflags & EF_M68K_ARCH_MASK) == EF_M68K_FIDO)
+    fprintf (file, " [fido]");
   else
     {
       if ((eflags & EF_M68K_ARCH_MASK) == EF_M68K_CFV4E)