mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-12-11 22:24:42 +00:00
f4f0d17487
convex-xdep.c, m88k-nat.c, i386m3-nat.c, mips-tdep.c, mipsm3-nat.c, ns32km3-nat.c, remote-bug.c, m88k-tdep.c, remote-hms.c, remote-mips.c, config/gould/tm-np1.h, hppa-tdep.c (hppa_fix_call_dummy), remote-vx.c: Use REGISTER_SIZE, unsigned LONGEST, and {store,extract}_unsigned_integer, instead of sizeof (REGISTER_TYPE) and REGISTER_TYPE. * All tm.h files: Change REGISTER_TYPE to REGISTER_SIZE. * hppa-tdep.c (pa_print_fp_reg): Remove unused variable val. * Makefile.in (ALLDEPFILES): Remove i386ly-nat.c and m68kly-nat.c. Add lynx-nat.c.
194 lines
5.4 KiB
C
194 lines
5.4 KiB
C
/* Low level interface to ns532 running mach 3.0.
|
||
Copyright (C) 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
#include "defs.h"
|
||
#include "inferior.h"
|
||
|
||
#include <stdio.h>
|
||
|
||
#include <mach.h>
|
||
#include <mach/message.h>
|
||
#include <mach/exception.h>
|
||
#include <mach_error.h>
|
||
|
||
#define private static
|
||
|
||
|
||
/* Find offsets to thread states at compile time.
|
||
* If your compiler does not grok this, calculate offsets
|
||
* offsets yourself and use them (or get a compatible compiler :-)
|
||
*/
|
||
|
||
#define REG_N_OFFSET(reg) (int)(&((struct ns532_combined_state *)0)->ts.reg)
|
||
#define REG_F_OFFSET(reg) (int)(&((struct ns532_combined_state *)0)->fs.reg)
|
||
|
||
/* at reg_offset[i] is the offset to the ns532_combined_state
|
||
* location where the gdb registers[i] is stored.
|
||
*/
|
||
|
||
static int reg_offset[] =
|
||
{
|
||
REG_N_OFFSET(r0), REG_N_OFFSET(r1), REG_N_OFFSET(r2), REG_N_OFFSET(r3),
|
||
REG_N_OFFSET(r4), REG_N_OFFSET(r5), REG_N_OFFSET(r6), REG_N_OFFSET(r7),
|
||
REG_F_OFFSET(l0a), REG_F_OFFSET(l1a),REG_F_OFFSET(l2a),REG_F_OFFSET(l3a),
|
||
REG_F_OFFSET(l4a), REG_F_OFFSET(l5a),REG_F_OFFSET(l6a),REG_F_OFFSET(l7a),
|
||
REG_N_OFFSET(sp), REG_N_OFFSET(fp), REG_N_OFFSET(pc), REG_N_OFFSET(psr),
|
||
REG_F_OFFSET(fsr),
|
||
REG_F_OFFSET(l0a), REG_F_OFFSET(l2a),REG_F_OFFSET(l4a),REG_F_OFFSET(l6a)
|
||
/* @@@ 532 has more double length floating point regs, not accessed currently */
|
||
};
|
||
|
||
/* Fetch COUNT contiguous registers from thread STATE starting from REGNUM
|
||
* Caller knows that the regs handled in one transaction are of same size.
|
||
*/
|
||
#define FETCH_REGS(state, regnum, count) \
|
||
memcpy (®isters[REGISTER_BYTE (regnum)], \
|
||
(char *)state+reg_offset[ regnum ], \
|
||
count*REGISTER_SIZE)
|
||
|
||
/* Store COUNT contiguous registers to thread STATE starting from REGNUM */
|
||
#define STORE_REGS(state, regnum, count) \
|
||
memcpy ((char *)state+reg_offset[ regnum ], \
|
||
®isters[REGISTER_BYTE (regnum)], \
|
||
count*REGISTER_SIZE)
|
||
|
||
/* 4.4 bfd support function */
|
||
/* jtv@hut.fi: UNIMPLEMENTED!!!!! */
|
||
|
||
void
|
||
fetch_core_registers (core_regs, core_reg_size, which)
|
||
char *core_regs;
|
||
unsigned int core_reg_size;
|
||
int which;
|
||
{
|
||
error ("Unimplemented routine fetch_core_registers called");
|
||
}
|
||
|
||
/*
|
||
* 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 = NS532_COMBINED_STATE_COUNT;
|
||
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,
|
||
NS532_COMBINED_STATE,
|
||
state,
|
||
&stateCnt);
|
||
|
||
if (ret != KERN_SUCCESS)
|
||
message ("fetch_inferior_registers: %s ",
|
||
mach_error_string (ret));
|
||
#if 0
|
||
/* It may be more effective to store validate all of them,
|
||
* since we fetched them all anyway
|
||
*/
|
||
else if (regno != -1)
|
||
supply_register (regno, (char *)state+reg_offset[regno]);
|
||
#endif
|
||
else
|
||
{
|
||
for (index = 0; index < NUM_REGS; index++)
|
||
supply_register (index, (char *)state+reg_offset[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 = NS532_COMBINED_STATE_COUNT;
|
||
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,
|
||
NS532_COMBINED_STATE,
|
||
state,
|
||
&stateCnt);
|
||
|
||
if (ret != KERN_SUCCESS)
|
||
{
|
||
message ("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 0
|
||
if (regno != -1)
|
||
STORE_REGS (state, regno, 1);
|
||
else
|
||
#endif
|
||
{
|
||
for (index = 0; index < NUM_REGS; index++)
|
||
STORE_REGS (state, index, 1);
|
||
}
|
||
|
||
/* Write gdb's current view of register to the thread
|
||
*/
|
||
ret = thread_set_state (current_thread,
|
||
NS532_COMBINED_STATE,
|
||
state,
|
||
NS532_COMBINED_STATE_COUNT);
|
||
|
||
if (ret != KERN_SUCCESS)
|
||
message ("store_inferior_registers (set): %s",
|
||
mach_error_string (ret));
|
||
|
||
if (must_suspend_thread)
|
||
setup_thread (current_thread, 0);
|
||
}
|