PATCH: m68k multi-arch

[Grace Sainsbury <graces@redhat.com>]

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I've started to multi-arch the m68k. I just added the init and dump
functions. 

grace

Changelog:

2002-06-19  Grace Sainsbury  <graces@redhat.com>

	* config/m68k/tm-m68k.h (GDB_MULTI_ARCH): Added (set to 0).
	* m68k-tdep.c (m68k_gdbarch_init): Added.
	(m68k_dump_tdep): Added.

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Index: m68k-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/m68k-tdep.c,v
retrieving revision 1.15
diff -u -r1.15 m68k-tdep.c
--- m68k-tdep.c	17 Jun 2002 21:39:01 -0000	1.15
+++ m68k-tdep.c	19 Jun 2002 18:23:42 -0000
@@ -677,9 +677,40 @@
     return read_memory_integer (read_register (SP_REGNUM), 4);
 }
 
+/* Function: m68k_gdbarch_init
+   Initializer function for the m68k gdbarch vector.
+   Called by gdbarch.  Sets up the gdbarch vector(s) for this target. */
+
+static struct gdbarch *
+m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
+{
+  struct gdbarch_tdep *tdep = NULL;
+  struct gdbarch *gdbarch;
+
+  /* find a candidate among the list of pre-declared architectures. */
+  arches = gdbarch_list_lookup_by_info (arches, &info);
+  if (arches != NULL)
+    return (arches->gdbarch);
+
+#if 0
+  tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
+#endif
+
+  gdbarch = gdbarch_alloc (&info, 0);
+
+  return gdbarch;
+}
+
+
+static void
+m68k_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
+{
+
+}
 
 void
 _initialize_m68k_tdep (void)
 {
+  gdbarch_register (bfd_arch_m68k, m68k_gdbarch_init, m68k_dump_tdep);
   tm_print_insn = print_insn_m68k;
 }
Index: config/m68k/tm-m68k.h
===================================================================
RCS file: /cvs/src/src/gdb/config/m68k/tm-m68k.h,v
retrieving revision 1.11
diff -u -r1.11 tm-m68k.h
--- config/m68k/tm-m68k.h	14 Jun 2002 22:55:46 -0000	1.11
+++ config/m68k/tm-m68k.h	19 Jun 2002 18:23:42 -0000
@@ -21,6 +21,8 @@
 
 #include "regcache.h"
 
+#define GDB_MULTI_ARCH 0
+
 /* Generic 68000 stuff, to be included by other tm-*.h files.  */
 
 #define TARGET_LONG_DOUBLE_FORMAT &floatformat_m68881_ext