141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
/* Low level interface to HP800 running mach 4.0.
|
||
Copyright (C) 1995 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. */
|
||
|
||
#include "defs.h"
|
||
#include "inferior.h"
|
||
#include "floatformat.h"
|
||
|
||
#include <stdio.h>
|
||
|
||
#include <mach.h>
|
||
#include <mach/message.h>
|
||
#include <mach/exception.h>
|
||
#include <mach_error.h>
|
||
|
||
#include <target.h>
|
||
|
||
/*
|
||
* Fetch inferiors registers for gdb.
|
||
* REGNO specifies which (as gdb views it) register, -1 for all.
|
||
*/
|
||
|
||
void
|
||
fetch_inferior_registers (regno)
|
||
int regno;
|
||
{
|
||
kern_return_t ret;
|
||
thread_state_data_t state;
|
||
unsigned int stateCnt = TRACE_FLAVOR_SIZE;
|
||
int index;
|
||
|
||
if (! MACH_PORT_VALID (current_thread))
|
||
error ("fetch inferior registers: Invalid thread");
|
||
|
||
if (must_suspend_thread)
|
||
setup_thread (current_thread, 1);
|
||
|
||
ret = thread_get_state (current_thread,
|
||
TRACE_FLAVOR,
|
||
state,
|
||
&stateCnt);
|
||
|
||
if (ret != KERN_SUCCESS)
|
||
warning ("fetch_inferior_registers: %s ",
|
||
mach_error_string (ret));
|
||
else
|
||
{
|
||
for (index = 0; index < NUM_REGS; index++)
|
||
supply_register (index,(void*)&state[index]);
|
||
}
|
||
|
||
if (must_suspend_thread)
|
||
setup_thread (current_thread, 0);
|
||
}
|
||
|
||
/* Store our register values back into the inferior.
|
||
* If REGNO is -1, do this for all registers.
|
||
* Otherwise, REGNO specifies which register
|
||
*
|
||
* On mach3 all registers are always saved in one call.
|
||
*/
|
||
void
|
||
store_inferior_registers (regno)
|
||
int regno;
|
||
{
|
||
kern_return_t ret;
|
||
thread_state_data_t state;
|
||
unsigned int stateCnt = TRACE_FLAVOR_SIZE;
|
||
register int index;
|
||
|
||
if (! MACH_PORT_VALID (current_thread))
|
||
error ("store inferior registers: Invalid thread");
|
||
|
||
if (must_suspend_thread)
|
||
setup_thread (current_thread, 1);
|
||
|
||
/* Fetch the state of the current thread */
|
||
ret = thread_get_state (current_thread,
|
||
TRACE_FLAVOR,
|
||
state,
|
||
&stateCnt);
|
||
|
||
if (ret != KERN_SUCCESS)
|
||
{
|
||
warning ("store_inferior_registers (get): %s",
|
||
mach_error_string (ret));
|
||
if (must_suspend_thread)
|
||
setup_thread (current_thread, 0);
|
||
return;
|
||
}
|
||
|
||
|
||
/* move gdb's registers to thread's state
|
||
*
|
||
* Since we save all registers anyway, save the ones
|
||
* that gdb thinks are valid (e.g. ignore the regno
|
||
* parameter)
|
||
*/
|
||
if (regno > 0 && regno < NUM_REGS )
|
||
{
|
||
memcpy(&state[regno], ®isters[REGISTER_BYTE (regno)],
|
||
REGISTER_RAW_SIZE(regno));
|
||
}
|
||
else
|
||
{
|
||
for (index = 0; index < NUM_REGS; index++)
|
||
memcpy(&state[index], ®isters[REGISTER_BYTE (index)],
|
||
REGISTER_RAW_SIZE(index));
|
||
/* state[index] = registers[REGISTER_BYTE (index)];*/
|
||
|
||
}
|
||
|
||
/* Write gdb's current view of register to the thread
|
||
*/
|
||
ret = thread_set_state (current_thread,
|
||
TRACE_FLAVOR,
|
||
state,
|
||
TRACE_FLAVOR_SIZE);
|
||
|
||
if (ret != KERN_SUCCESS)
|
||
warning ("store_inferior_registers (set): %s",
|
||
mach_error_string (ret));
|
||
|
||
if (must_suspend_thread)
|
||
setup_thread (current_thread, 0);
|
||
}
|