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/* Functions specific to running gdb native on a VAX running NetBSD
Copyright 1989, 1992, 1993, 1994, 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. */
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include <machine/frame.h>
#include <machine/pcb.h>
#include "defs.h"
#include "inferior.h"
#include "target.h"
#include "gdbcore.h"
void
fetch_inferior_registers (regno)
int regno;
{
struct reg inferior_registers;
ptrace (PT_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_registers, 0);
memcpy (®isters[REGISTER_BYTE (0)], &inferior_registers,
sizeof(inferior_registers));
registers_fetched ();
}
void
store_inferior_registers (regno)
int regno;
{
struct reg inferior_registers;
memcpy (&inferior_registers, ®isters[REGISTER_BYTE (0)],
sizeof(inferior_registers));
ptrace (PT_SETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_registers, 0);
}
/* XXX - Add this to machine/regs.h instead? */
struct md_core {
struct reg intreg;
/* struct fpreg freg; XXX */
};
static void
fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
char *core_reg_sect;
unsigned core_reg_size;
int which;
unsigned int reg_addr; /* Unused in this version */
{
struct md_core *core_reg;
core_reg = (struct md_core *)core_reg_sect;
/* We get everything from the .reg section. */
if (which != 0)
return;
if (core_reg_size < sizeof(*core_reg)) {
fprintf_unfiltered (gdb_stderr, "Couldn't read regs from core file\n");
return;
}
/* Integer registers */
memcpy(®isters[REGISTER_BYTE (0)],
&core_reg->intreg, sizeof(struct reg));
registers_fetched ();
}
/* Register that we are able to handle vaxnbsd core file formats.
FIXME: is this really bfd_target_unknown_flavour? */
static struct core_fns nat_core_fns =
{
bfd_target_unknown_flavour,
fetch_core_registers,
NULL
};
void
_initialize_vaxnbsd_nat ()
{
add_core_fns (&nat_core_fns);
}
/*
* kernel_u_size() is not helpful on NetBSD because
* the "u" struct is NOT in the core dump file.
*/
#ifdef FETCH_KCORE_REGISTERS
/*
* Get registers from a kernel crash dump or live kernel.
* Called by kcore-nbsd.c:get_kcore_registers().
*/
void
fetch_kcore_registers (pcb)
struct pcb *pcb;
{
printf("XXX: fetch_kcore_registers\n");
/* The kernel does not use the FPU, so ignore it. */
registers_fetched ();
}
#endif /* FETCH_KCORE_REGISTERS */
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