Mon Dec 9 00:14:49 1996 Geoffrey Noer <noer@cygnus.com>

        * config/mn10300/tm-mn10300.h: fix register names
        * mn10300-tdep.c: new skeleton tdep for mn10300

1 files changed, 144 insertions, 0 deletions

diff --git a/gdb/mn10300-tdep.c b/gdb/mn10300-tdep.c
new file mode 100644
index 0000000..6fb0be8
--- /dev/null
+++ b/gdb/mn10300-tdep.c
@@ -0,0 +1,144 @@
+/* Target-dependent code for the NEC MN10300 for GDB, the GNU debugger.
+   Copyright 1996, Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Contributed by Geoffrey Noer, noer@cygnus.com */
+
+#include "defs.h"
+#include "frame.h"
+#include "inferior.h"
+#include "obstack.h"
+#include "target.h"
+#include "value.h"
+#include "bfd.h"
+#include "gdb_string.h"
+#include "gdbcore.h"
+#include "symfile.h"
+
+/* Info gleaned from scanning a function's prologue.  */
+
+struct pifsr			/* Info about one saved reg */
+{
+  int framereg;			/* Frame reg (SP or FP) */
+  int offset;			/* Offset from framereg */
+  int reg;			/* Saved register number */
+};
+
+struct prologue_info
+{
+  int framereg;
+  int frameoffset;
+  int start_function;
+  struct pifsr *pifsrs;
+};
+
+static CORE_ADDR
+mn10300_scan_prologue (pc, pi)
+     CORE_ADDR pc;
+     struct prologue_info *pi;
+{
+}
+
+void
+mn10300_init_extra_frame_info (fi)
+     struct frame_info *fi;
+{
+}
+
+CORE_ADDR
+mn10300_frame_chain (fi)
+     struct frame_info *fi;
+{
+}
+
+CORE_ADDR
+mn10300_find_callers_reg (fi, regnum)
+     struct frame_info *fi;
+     int regnum;
+{
+}
+
+CORE_ADDR
+mn10300_skip_prologue (pc)
+     CORE_ADDR pc;
+{
+}
+
+/* Function: pop_frame
+   This routine gets called when either the user uses the `return'
+   command, or the call dummy breakpoint gets hit.  */
+
+void
+mn10300_pop_frame (frame)
+     struct frame_info *frame;
+{
+}
+
+CORE_ADDR
+mn10300_push_arguments (nargs, args, sp, struct_return, struct_addr)
+     int nargs;
+     value_ptr *args;
+     CORE_ADDR sp;
+     unsigned char struct_return;
+     CORE_ADDR struct_addr;
+{
+}
+
+CORE_ADDR
+mn10300_push_return_address (pc, sp)
+     CORE_ADDR pc;
+     CORE_ADDR sp;
+{
+}
+ 
+CORE_ADDR
+mn10300_frame_saved_pc (fi)
+     struct frame_info *fi;
+{
+}
+
+void
+get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval)
+     char *raw_buffer;
+     int *optimized;
+     CORE_ADDR *addrp;
+     struct frame_info *frame;
+     int regnum;
+     enum lval_type *lval;
+{
+  generic_get_saved_register (raw_buffer, optimized, addrp, 
+			      frame, regnum, lval);
+}
+
+int
+mn10300_fix_call_dummy (dummy, sp, fun, nargs, args, type, gcc_p)
+     char *dummy;
+     CORE_ADDR sp;
+     CORE_ADDR fun;
+     int nargs;
+     value_ptr *args;
+     struct type *type;
+     int gcc_p;
+{
+}
+
+void
+_initialize_mn10300_tdep ()
+{
+  tm_print_insn = print_insn_mn10300;
+}