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/* Target-dependent code for MItsubishi D10V, for GDB.
Copyright (C) 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 Martin Hunt, hunt@cygnus.com */
#include "defs.h"
#include "frame.h"
#include "obstack.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "gdbcore.h"
#include "value.h"
#include "inferior.h"
#include "dis-asm.h"
void
d10v_pop_frame ()
{
}
CORE_ADDR
d10v_skip_prologue (start_pc)
CORE_ADDR start_pc;
{
}
CORE_ADDR
d10v_frame_chain (frame)
struct frame_info *frame;
{
if (!inside_entry_file (frame->pc))
return read_memory_integer (FRAME_FP (frame) + frame->f_offset, 4);
else
return 0;
}
/* Put here the code to store, into a struct frame_saved_regs, the
addresses of the saved registers of frame described by FRAME_INFO.
This includes special registers such as pc and fp saved in special
ways in the stack frame. sp is even more special: the address we
return for it IS the sp for the next frame. */
void
d10v_frame_find_saved_regs (fi, fsr)
struct frame_info *fi;
struct frame_saved_regs *fsr;
{
}
void
d10v_init_extra_frame_info (fromleaf, fi)
int fromleaf;
struct frame_info *fi;
{
struct frame_saved_regs dummy;
if (fi->next)
fi->pc = fi->next->return_pc;
d10v_frame_find_saved_regs (fi, &dummy);
}
static void
show_regs (args, from_tty)
char *args;
int from_tty;
{
long long num1, num2;
printf_filtered ("PC=%04x (0x%x) PSW=%04x RPT_S=%04x RPT_E=%04x RPT_C=%04x\n",
read_register (PC_REGNUM), read_register (PC_REGNUM) << 2,
read_register (PSW_REGNUM),
read_register (24),
read_register (25),
read_register (23));
printf_filtered ("R0-R7 %04x %04x %04x %04x %04x %04x %04x %04x\n",
read_register (0),
read_register (1),
read_register (2),
read_register (3),
read_register (4),
read_register (5),
read_register (6),
read_register (7));
printf_filtered ("R8-R15 %04x %04x %04x %04x %04x %04x %04x %04x\n",
read_register (8),
read_register (9),
read_register (10),
read_register (11),
read_register (12),
read_register (13),
read_register (14),
read_register (15));
read_register_gen (A0_REGNUM, (char *)&num1);
read_register_gen (A0_REGNUM+1, (char *)&num2);
printf_filtered ("A0-A1 %010llx %010llx\n",num1, num2);
}
void
_initialize_d10v_tdep ()
{
struct cmd_list_element *c;
tm_print_insn = print_insn_d10v;
add_com ("regs", class_vars, show_regs, "Print all registers");
}
CORE_ADDR
d10v_read_register_pid (regno, pid)
int regno, pid;
{
int save_pid;
CORE_ADDR retval;
if (pid == inferior_pid)
return (read_register(regno)) << 2;
save_pid = inferior_pid;
inferior_pid = pid;
retval = read_register (regno);
inferior_pid = save_pid;
return (retval << 2);
}
void
d10v_write_register_pid (regno, val, pid)
int regno;
LONGEST val;
int pid;
{
int save_pid;
val >>= 2;
if (pid == inferior_pid)
{
write_register (regno, val);
return;
}
save_pid = inferior_pid;
inferior_pid = pid;
write_register (regno, val);
inferior_pid = save_pid;
}
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