+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
+
Sun Dec 8 18:02:57 1996 Doug Evans <dje@canuck.cygnus.com>
* remote-sim.h: Update some comments.
#define TARGET_BYTE_ORDER LITTLE_ENDIAN
-#define NUM_REGS 65
-
-#define REGISTER_NAMES \
-{ "r0", "r1", "r2", "sp", "gp", "r5", "r6", "r7", \
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
- "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
- "r24", "r25", "r26", "r27", "r28", "fp", "ep", "r31", \
- \
- "eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7", \
- "sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15", \
- "sr16", "sr17", "sr18", "sr19", "sr20", "sr21", "sr22", "sr23", \
- "sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31", \
- "pc" }
-
#define REGISTER_BYTES (NUM_REGS * 4)
#define REGISTER_SIZE 4
#define MAX_REGISTER_RAW_SIZE 4
-#define SP_REGNUM 3
-#define ARG0_REGNUM 6
-#define ARGLAST_REGNUM 9
-#define V0_REGNUM 10
-#define V1_REGNUM 11
-#define FP_REGNUM 29
-#define RP_REGNUM 31
-#define PS_REGNUM 37
-#define PC_REGNUM 64
+#define NUM_REGS 14
+
+#define REGISTER_NAMES \
+{ "d0", "d1", "d2", "d3", "a0", "a1", "a2", "a3", \
+ "sp", "pc", "mdr", "psw", "lir", "lar"}
+
+#define SP_REGNUM 8
+#define PC_REGNUM 9
+#define MDR_REGNUM 10
+#define PSW_REGNUM 11
+#define LIR_REGNUM 12
+#define LAR_REGNUM 13
#define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int
extern CORE_ADDR mn10300_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR));
#define PUSH_RETURN_ADDRESS(PC, SP) mn10300_push_return_address (PC, SP)
-
#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
extern CORE_ADDR
#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP)
-
#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP)
#define USE_STRUCT_CONVENTION(GCC_P, TYPE) \
--- /dev/null
+/* 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;
+}