-/* Native-dependent code for VAX BSD's.
+/* Native-dependent code for modern VAX BSD's.
- Copyright 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of GDB.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "inferior.h"
#include "regcache.h"
+#include "target.h"
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "vax-tdep.h"
+#include "inf-ptrace.h"
/* Supply the general-purpose registers stored in GREGS to REGCACHE. */
static void
vaxbsd_supply_gregset (struct regcache *regcache, const void *gregs)
{
- const char *regs = gregs;
+ const gdb_byte *regs = gregs;
int regnum;
for (regnum = 0; regnum < VAX_NUM_REGS; regnum++)
vaxbsd_collect_gregset (const struct regcache *regcache,
void *gregs, int regnum)
{
- char *regs = gregs;
+ gdb_byte *regs = gregs;
int i;
for (i = 0; i <= VAX_NUM_REGS; i++)
{
if (regnum == -1 || regnum == i)
- regcache_raw_collect (regcache, regnum, regs + i * 4);
+ regcache_raw_collect (regcache, i, regs + i * 4);
}
}
\f
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers. */
-void
-fetch_inferior_registers (int regnum)
+static void
+vaxbsd_fetch_inferior_registers (struct regcache *regcache, int regnum)
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
- (PTRACE_ARG3_TYPE) ®s, 0) == -1)
- perror_with_name ("Couldn't get registers");
+ (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ perror_with_name (_("Couldn't get registers"));
- vaxbsd_supply_gregset (current_regcache, ®s);
+ vaxbsd_supply_gregset (regcache, ®s);
}
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
this for all registers. */
-void
-store_inferior_registers (int regnum)
+static void
+vaxbsd_store_inferior_registers (struct regcache *regcache, int regnum)
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
- (PTRACE_ARG3_TYPE) ®s, 0) == -1)
- perror_with_name ("Couldn't get registers");
+ (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ perror_with_name (_("Couldn't get registers"));
- vaxbsd_collect_gregset (current_regcache, ®s, regnum);
+ vaxbsd_collect_gregset (regcache, ®s, regnum);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
- (PTRACE_ARG3_TYPE) ®s, 0) == -1)
- perror_with_name ("Couldn't write registers");
+ (PTRACE_TYPE_ARG3) ®s, 0) == -1)
+ perror_with_name (_("Couldn't write registers"));
+}
+\f
+
+/* Support for debugging kernel virtual memory images. */
+
+#include <sys/types.h>
+#include <machine/pcb.h>
+
+#include "bsd-kvm.h"
+
+static int
+vaxbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
+{
+ int regnum;
+
+ /* The following is true for OpenBSD 3.5:
+
+ The pcb contains the register state at the context switch inside
+ cpu_switch(). */
+
+ /* The stack pointer shouldn't be zero. */
+ if (pcb->KSP == 0)
+ return 0;
+
+ for (regnum = VAX_R0_REGNUM; regnum < VAX_AP_REGNUM; regnum++)
+ regcache_raw_supply (regcache, regnum, &pcb->R[regnum - VAX_R0_REGNUM]);
+ regcache_raw_supply (regcache, VAX_AP_REGNUM, &pcb->AP);
+ regcache_raw_supply (regcache, VAX_FP_REGNUM, &pcb->FP);
+ regcache_raw_supply (regcache, VAX_SP_REGNUM, &pcb->KSP);
+ regcache_raw_supply (regcache, VAX_PC_REGNUM, &pcb->PC);
+ regcache_raw_supply (regcache, VAX_PS_REGNUM, &pcb->PSL);
+
+ return 1;
+}
+\f
+
+/* Provide a prototype to silence -Wmissing-prototypes. */
+void _initialize_vaxbsd_nat (void);
+
+void
+_initialize_vaxbsd_nat (void)
+{
+ struct target_ops *t;
+
+ t = inf_ptrace_target ();
+ t->to_fetch_registers = vaxbsd_fetch_inferior_registers;
+ t->to_store_registers = vaxbsd_store_inferior_registers;
+ add_target (t);
+
+ /* Support debugging kernel virtual memory images. */
+ bsd_kvm_add_target (vaxbsd_supply_pcb);
}