gas/testsuite/

	* gas/m68k/br-isaa.s: New.
	* gas/m68k/br-isaa.d: New.
	* gas/m68k/br-isab.s: New.
	* gas/m68k/br-isab.d: New.
	* gas/m68k/br-isac.s: New.
	* gas/m68k/br-isac.d: New.
	* gas/m68k/all.exp: Adjust.

	gas/
	* config/tc-m68k.c (mcf54455_ctrl): New.
	(HAVE_LONG_DISP, HAVE_LONG_CALL, HAVE_LONG_COND): New.
	(m68k_archs): Add isac.
	(m68k_cpus): Add 54455 family.
	(m68k_ip): Split Bg into Bb, Bs, Bg.
	(m68k_elf_final_processing): Add ISA_C.
	* doc/c-m68k.texi (M680x0 Options): Add isac.

	include/opcode/
	* m68k.h (mcfisa_c): New.
	(mcfusp, mcf_mask): Adjust.

	bfd/
	* archures.c (bfd_mach_mcf_isa_c, bfd_mach_mcf_isa_c_mac,
	bfd_mach_mcf_isa_c_emac): New.
	* elf32-m68k.c (ISAC_PLT_ENTRY_SIZE, elf_isac_plt0_entry,
	elf_isac_plt_entry, elf_isac_plt_info): New.
	(elf32_m68k_object_p): Add ISA_C.
	(elf32_m68k_print_private_bfd_data): Print ISA_C.
	(elf32_m68k_get_plt_info): Detect ISA_C.
	* cpu-m68k.c (arch_info): Add ISAC.
	(m68k_arch_features): Likewise,
	(bfd_m68k_compatible): ISAs B & C are not compatible.

	opcodes/
	* m68k-opc.c: Mark mcfisa_c instructions.

5 files changed, 83 insertions, 9 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ad991c8..5758423 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,16 @@
+2007-04-23  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* archures.c (bfd_mach_mcf_isa_c, bfd_mach_mcf_isa_c_mac,
+	bfd_mach_mcf_isa_c_emac): New.
+	* elf32-m68k.c (ISAC_PLT_ENTRY_SIZE, elf_isac_plt0_entry,
+	elf_isac_plt_entry, elf_isac_plt_info): New.
+	(elf32_m68k_object_p): Add ISA_C.
+	(elf32_m68k_print_private_bfd_data): Print ISA_C.
+	(elf32_m68k_get_plt_info): Detect ISA_C.
+	* cpu-m68k.c (arch_info): Add ISAC.
+	(m68k_arch_features): Likewise,
+	(bfd_m68k_compatible): ISAs B & C are not compatible.
+
 2007-04-21  Nick Clifton  <nickc@redhat.com>
 
 	* ecoff.c (_bfd_ecoff_write_armap): Initialise rehash.
diff --git a/bfd/archures.c b/bfd/archures.c
index f43e2e6..3002043 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -97,6 +97,9 @@ DESCRIPTION
 .#define bfd_mach_mcf_isa_b_float 23
 .#define bfd_mach_mcf_isa_b_float_mac 24
 .#define bfd_mach_mcf_isa_b_float_emac 25
+.#define bfd_mach_mcf_isa_c 26
+.#define bfd_mach_mcf_isa_c_mac 27
+.#define bfd_mach_mcf_isa_c_emac 28
 .  bfd_arch_vax,       {* DEC Vax *}
 .  bfd_arch_i960,      {* Intel 960 *}
 .    {* The order of the following is important.
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index d34456a..8154435 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1761,6 +1761,9 @@ enum bfd_architecture
 #define bfd_mach_mcf_isa_b_float 23
 #define bfd_mach_mcf_isa_b_float_mac 24
 #define bfd_mach_mcf_isa_b_float_emac 25
+#define bfd_mach_mcf_isa_c 26
+#define bfd_mach_mcf_isa_c_mac 27
+#define bfd_mach_mcf_isa_c_emac 28
   bfd_arch_vax,       /* DEC Vax */
   bfd_arch_i960,      /* Intel 960 */
     /* The order of the following is important.
diff --git a/bfd/cpu-m68k.c b/bfd/cpu-m68k.c
index 2e6f6c6..7e424a8 100644
--- a/bfd/cpu-m68k.c
+++ b/bfd/cpu-m68k.c
@@ -76,19 +76,25 @@ static const bfd_arch_info_type arch_info_struct[] =
       FALSE, &arch_info_struct[24]),
     N(bfd_mach_mcf_isa_b_float_emac, "m68k:isa-b:float:emac",
       FALSE, &arch_info_struct[25]),
+    N(bfd_mach_mcf_isa_c, "m68k:isa-c",
+      FALSE, &arch_info_struct[26]),
+    N(bfd_mach_mcf_isa_c_mac, "m68k:isa-c:mac",
+      FALSE, &arch_info_struct[27]),
+    N(bfd_mach_mcf_isa_c_emac, "m68k:isa-c:emac",
+      FALSE, &arch_info_struct[28]),
 
     /* Legacy names for CF architectures */
-    N(bfd_mach_mcf_isa_a_nodiv, "m68k:5200", FALSE, &arch_info_struct[26]),
-    N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[27]),
-    N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[28]),
-    N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[29]),
-    N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[30]),
-    N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[31]),
-    N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[32]),
+    N(bfd_mach_mcf_isa_a_nodiv, "m68k:5200", FALSE, &arch_info_struct[29]),
+    N(bfd_mach_mcf_isa_a_mac,"m68k:5206e", FALSE, &arch_info_struct[30]),
+    N(bfd_mach_mcf_isa_a_mac, "m68k:5307", FALSE, &arch_info_struct[31]),
+    N(bfd_mach_mcf_isa_b_nousp_mac, "m68k:5407", FALSE, &arch_info_struct[32]),
+    N(bfd_mach_mcf_isa_aplus_emac, "m68k:528x", FALSE, &arch_info_struct[33]),
+    N(bfd_mach_mcf_isa_aplus_emac, "m68k:521x", FALSE, &arch_info_struct[34]),
+    N(bfd_mach_mcf_isa_a_emac, "m68k:5249", FALSE, &arch_info_struct[35]),
     N(bfd_mach_mcf_isa_b_float_emac, "m68k:547x",
-      FALSE, &arch_info_struct[33]),
+      FALSE, &arch_info_struct[36]),
     N(bfd_mach_mcf_isa_b_float_emac, "m68k:548x",
-      FALSE, &arch_info_struct[34]),
+      FALSE, &arch_info_struct[37]),
     N(bfd_mach_mcf_isa_b_float_emac, "m68k:cfv4e", FALSE, 0),
   };
 
@@ -125,6 +131,9 @@ static const unsigned m68k_arch_features[] =
   mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat,
   mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfmac,
   mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp|cfloat|mcfemac,
+  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp,
+  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfmac,
+  mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp|mcfemac,
 };
 
 /* Return the count of bits set in MASK  */
@@ -222,6 +231,10 @@ bfd_m68k_compatible (const bfd_arch_info_type *a,
       if ((~features & (mcfisa_aa | mcfisa_b)) == 0)
 	return NULL;
 
+      /* ISA B and ISA C are incompatible.  */
+      if ((~features & (mcfisa_b | mcfisa_c)) == 0)
+	return NULL;
+
       /* MAC and EMAC code cannot be merged.  */
       if ((~features & (mcfmac | mcfemac)) == 0)
 	return NULL;
diff --git a/bfd/elf32-m68k.c b/bfd/elf32-m68k.c
index 948a996..6cc0212 100644
--- a/bfd/elf32-m68k.c
+++ b/bfd/elf32-m68k.c
@@ -300,6 +300,40 @@ static const struct elf_m68k_plt_info elf_isab_plt_info = {
   elf_isab_plt_entry, { 2, 20 }, 12
 };
 
+#define ISAC_PLT_ENTRY_SIZE 24 
+
+static const bfd_byte elf_isac_plt0_entry[ISAC_PLT_ENTRY_SIZE] =
+{
+  0x20, 0x3c,		  /* move.l #offset,%d0 */
+  0, 0, 0, 0,		  /* replaced with .got + 4 - . */
+  0x2e, 0xbb, 0x08, 0xfa, /* move.l (-6,%pc,%d0:l),(%sp) */
+  0x20, 0x3c,		  /* move.l #offset,%d0 */
+  0, 0, 0, 0,		  /* replaced with .got + 8 - . */
+  0x20, 0x7b, 0x08, 0xfa, /* move.l (-6,%pc,%d0:l), %a0 */
+  0x4e, 0xd0,		  /* jmp (%a0) */
+  0x4e, 0x71		  /* nop */
+};
+
+/* Subsequent entries in a procedure linkage table look like this.  */
+
+static const bfd_byte elf_isac_plt_entry[ISAC_PLT_ENTRY_SIZE] =
+{
+  0x20, 0x3c,		  /* move.l #offset,%d0 */
+  0, 0, 0, 0,		  /* replaced with (.got entry) - . */
+  0x20, 0x7b, 0x08, 0xfa, /* move.l (-6,%pc,%d0:l), %a0 */
+  0x4e, 0xd0,		  /* jmp (%a0) */
+  0x2f, 0x3c,		  /* move.l #offset,-(%sp) */
+  0, 0, 0, 0,		  /* replaced with offset into relocation table */
+  0x61, 0xff,		  /* bsr.l .plt */
+  0, 0, 0, 0 		  /* replaced with .plt - . */
+};
+
+static const struct elf_m68k_plt_info elf_isac_plt_info = {
+  ISAC_PLT_ENTRY_SIZE,
+  elf_isac_plt0_entry, { 2, 12},
+  elf_isac_plt_entry, { 2, 20 }, 12
+};
+
 #define CPU32_PLT_ENTRY_SIZE 24
 /* Procedure linkage table entries for the cpu32 */
 static const bfd_byte elf_cpu32_plt0_entry[CPU32_PLT_ENTRY_SIZE] =
@@ -468,6 +502,9 @@ elf32_m68k_object_p (bfd *abfd)
 	case EF_M68K_CF_ISA_B:
 	  features |= mcfisa_a|mcfisa_b|mcfhwdiv|mcfusp;
 	  break;
+	case EF_M68K_CF_ISA_C:
+	  features |= mcfisa_a|mcfisa_c|mcfhwdiv|mcfusp;
+	  break;
 	}
       switch (eflags & EF_M68K_CF_MAC_MASK)
 	{
@@ -617,6 +654,9 @@ elf32_m68k_print_private_bfd_data (abfd, ptr)
 	    case EF_M68K_CF_ISA_B:
 	      isa = "B";
 	      break;
+	    case EF_M68K_CF_ISA_C:
+	      isa = "C";
+	      break;
 	    }
 	  fprintf (file, " [isa %s]%s", isa, additional);
 	  if (eflags & EF_M68K_CF_FLOAT)
@@ -1145,6 +1185,8 @@ elf_m68k_get_plt_info (bfd *output_bfd)
     return &elf_cpu32_plt_info;
   if (features & mcfisa_b)
     return &elf_isab_plt_info;
+  if (features & mcfisa_c)
+    return &elf_isac_plt_info;
   return &elf_m68k_plt_info;
 }