diff -Nbaur binutils-2.19.1/config.sub binutils-2.19.1-ppc/config.sub
--- binutils-2.19.1/config.sub	2008-04-14 10:28:35.000000000 +0100
+++ binutils-2.19.1-ppc/config.sub	2009-05-09 12:24:54.000000000 +0100
@@ -230,6 +230,10 @@
 		basic_machine=m68k-atari
 		os=-mint
 		;;
+	-gekko)
+		basic_machine=powerpc-devkitpro
+		os=-eabi
+		;;
 esac
 
 # Decode aliases for certain CPU-COMPANY combinations.
diff -Nbaur binutils-2.19.1/gas/config/tc-ppc.c binutils-2.19.1-ppc/gas/config/tc-ppc.c
--- binutils-2.19.1/gas/config/tc-ppc.c	2008-08-02 05:38:50.000000000 +0100
+++ binutils-2.19.1-ppc/gas/config/tc-ppc.c	2009-05-09 12:26:17.000000000 +0100
@@ -850,6 +850,9 @@
   /* Do all PPC750s have paired single ops?  */
   else if (strcmp (arg, "750cl") == 0)
     ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_PPCPS;
+  /* PowerPC Gekko */
+  else if (strcmp (arg, "gekko") == 0)
+    ppc_cpu = PPC_OPCODE_CLASSIC | PPC_OPCODE_PPC | PPC_OPCODE_32 | PPC_OPCODE_PPCPS;
   else if (strcmp (arg, "403") == 0)
     ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
 	       | PPC_OPCODE_403 | PPC_OPCODE_32);
@@ -1145,7 +1148,8 @@
 -m464			generate code for PowerPC 464\n\
 -m7400, -m7410, -m7450, -m7455\n\
 			generate code for PowerPC 7400/7410/7450/7455\n\
--m750cl			generate code for PowerPC 750cl\n"));
+-m750cl			generate code for PowerPC 750cl\n\
+-mgekko			generate code for PowerPC Gekko\n"));
   fprintf (stream, _("\
 -mppc64, -m620		generate code for PowerPC 620/625/630\n\
 -mppc64bridge		generate code for PowerPC 64, including bridge insns\n\
@@ -1656,7 +1660,7 @@
       errmsg = NULL;
       insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg);
       if (errmsg != (const char *) NULL)
-	as_bad_where (file, line, errmsg);
+	as_bad_where (file, line, "%s", errmsg);
     }
   else
     insn |= ((long) val & operand->bitm) << operand->shift;
@@ -2387,7 +2391,7 @@
 	{
 	  insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
 	  if (errmsg != (const char *) NULL)
-	    as_bad (errmsg);
+	    as_bad ("%s", errmsg);
 	  continue;
 	}
 
@@ -2400,7 +2404,7 @@
 	    {
 	      insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
 	      if (errmsg != (const char *) NULL)
-		as_bad (errmsg);
+		as_bad ("%s", errmsg);
 	    }
 	  if ((operand->flags & PPC_OPERAND_NEXT) != 0)
 	    next_opindex = *opindex_ptr + 1;