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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
This commit is contained in:
Geoffrey Noer 1996-12-09 08:33:27 +00:00
parent 966f47b470
commit ddc2888e6b
3 changed files with 161 additions and 25 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
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.

37
gdb/config/mn10300/tm-mn10300.h
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@ -22,34 +22,23 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#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
@ -124,7 +113,6 @@ extern void mn10300_pop_frame PARAMS ((struct frame_info *frame));
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
@ -136,7 +124,6 @@ mn10300_push_arguments PARAMS ((int nargs, struct value **args, CORE_ADDR sp,
#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) \

144
gdb/mn10300-tdep.c Normal file
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@ -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;
}