Add support for OpenRISC 32-bit embedded processor

bfd/coffcode.h

@@ -1822,6 +1822,13 @@ coff_set_arch_mach_hook (abfd, filehdr)
   machine = 0;
   switch (internal_f->f_magic)
     {
+#ifdef OR32_MAGIC_BIG
+    case OR32_MAGIC_BIG:
+    case OR32_MAGIC_LITTLE:
+      arch = bfd_arch_or32;
+      machine = 0;
+      break;
+#endif
 #ifdef PPCMAGIC
     case PPCMAGIC:
       arch = bfd_arch_powerpc;
@@ -2779,6 +2786,15 @@ coff_set_flags (abfd, magicp, flagsp)
       return true;
 #endif
 
+#ifdef OR32_MAGIC_BIG
+    case bfd_arch_or32:
+      if (bfd_big_endian (abfd))
+        * magicp = OR32_MAGIC_BIG;
+      else
+        * magicp = OR32_MAGIC_LITTLE;
+      return true;
+#endif
+
     default:			/* Unknown architecture.  */
       /* Fall through to "return false" below, to avoid
 	 "statement never reached" errors on the one below.  */
@@ -3830,6 +3846,11 @@ coff_write_object_contents (abfd)
     internal_a.magic = MIPS_PE_MAGIC;
 #endif
 
+#ifdef OR32
+#define __A_MAGIC_SET__
+    internal_a.magic = NMAGIC; /* Assume separate i/d.  */
+#endif
+
 #ifndef __A_MAGIC_SET__
 #include "Your aouthdr magic number is not being set!"
 #else