/* Native-dependent code for Alpha BSD's.
- Copyright (C) 2000-2017 Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 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, see <http://www.gnu.org/licenses/>. */
+/* We define this to get types like register_t. */
+#define _KERNTYPES
#include "defs.h"
#include "inferior.h"
#include "regcache.h"
#include "alpha-tdep.h"
#include "alpha-bsd-tdep.h"
#include "inf-ptrace.h"
+#include "nbsd-nat.h"
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
-#ifdef HAVE_SYS_PROCFS_H
-#include <sys/procfs.h>
-#endif
-
-#ifndef HAVE_GREGSET_T
-typedef struct reg gregset_t;
-#endif
-
-#ifndef HAVE_FPREGSET_T
-typedef struct fpreg fpregset_t;
-#endif
-
-#include "gregset.h"
-
-/* Provide *regset() wrappers around the generic Alpha BSD register
- supply/fill routines. */
-
-void
-supply_gregset (struct regcache *regcache, const gregset_t *gregsetp)
+struct alpha_bsd_nat_target final : public nbsd_nat_target
{
- alphabsd_supply_reg (regcache, (const char *) gregsetp, -1);
-}
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+};
-void
-fill_gregset (const struct regcache *regcache, gregset_t *gregsetp, int regno)
-{
- alphabsd_fill_reg (regcache, (char *) gregsetp, regno);
-}
+static alpha_bsd_nat_target the_alpha_bsd_nat_target;
-void
-supply_fpregset (struct regcache *regcache, const fpregset_t *fpregsetp)
-{
- alphabsd_supply_fpreg (regcache, (const char *) fpregsetp, -1);
-}
-
-void
-fill_fpregset (const struct regcache *regcache,
- fpregset_t *fpregsetp, int regno)
-{
- alphabsd_fill_fpreg (regcache, (char *) fpregsetp, regno);
-}
-\f
/* Determine if PT_GETREGS fetches this register. */
static int
/* Fetch register REGNO from the inferior. If REGNO is -1, do this
for all registers (including the floating point registers). */
-static void
-alphabsd_fetch_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int regno)
+void
+alpha_bsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
{
+ int lwp = regcache->ptid ().lwp ();
+
if (regno == -1 || getregs_supplies (regno))
{
struct reg gregs;
- if (ptrace (PT_GETREGS, ptid_get_pid (regcache_get_ptid (regcache)),
- (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+ if (ptrace (PT_GETREGS, regcache->ptid ().pid (),
+ (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
perror_with_name (_("Couldn't get registers"));
alphabsd_supply_reg (regcache, (char *) &gregs, regno);
{
struct fpreg fpregs;
- if (ptrace (PT_GETFPREGS, ptid_get_pid (regcache_get_ptid (regcache)),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ if (ptrace (PT_GETFPREGS, regcache->ptid ().pid (),
+ (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't get floating point status"));
alphabsd_supply_fpreg (regcache, (char *) &fpregs, regno);
/* Store register REGNO back into the inferior. If REGNO is -1, do
this for all registers (including the floating point registers). */
-static void
-alphabsd_store_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int regno)
+void
+alpha_bsd_nat_target::store_registers (struct regcache *regcache, int regno)
{
+ int lwp = regcache->ptid ().lwp ();
+
if (regno == -1 || getregs_supplies (regno))
{
struct reg gregs;
- if (ptrace (PT_GETREGS, ptid_get_pid (regcache_get_ptid (regcache)),
- (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+ if (ptrace (PT_GETREGS, regcache->ptid ().pid (),
+ (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
perror_with_name (_("Couldn't get registers"));
alphabsd_fill_reg (regcache, (char *) &gregs, regno);
- if (ptrace (PT_SETREGS, ptid_get_pid (regcache_get_ptid (regcache)),
- (PTRACE_TYPE_ARG3) &gregs, 0) == -1)
+ if (ptrace (PT_SETREGS, regcache->ptid ().pid (),
+ (PTRACE_TYPE_ARG3) &gregs, lwp) == -1)
perror_with_name (_("Couldn't write registers"));
if (regno != -1)
{
struct fpreg fpregs;
- if (ptrace (PT_GETFPREGS, ptid_get_pid (regcache_get_ptid (regcache)),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ if (ptrace (PT_GETFPREGS, regcache->ptid ().pid (),
+ (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't get floating point status"));
alphabsd_fill_fpreg (regcache, (char *) &fpregs, regno);
- if (ptrace (PT_SETFPREGS, ptid_get_pid (regcache_get_ptid (regcache)),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ if (ptrace (PT_SETFPREGS, regcache->ptid ().pid (),
+ (PTRACE_TYPE_ARG3) &fpregs, lwp) == -1)
perror_with_name (_("Couldn't write floating point status"));
}
}
if (pcb->pcb_hw.apcb_ksp == 0)
return 0;
- regcache_raw_supply (regcache, ALPHA_SP_REGNUM, &pcb->pcb_hw.apcb_ksp);
+ regcache->raw_supply (ALPHA_SP_REGNUM, &pcb->pcb_hw.apcb_ksp);
for (regnum = ALPHA_S0_REGNUM; regnum < ALPHA_A0_REGNUM; regnum++)
- regcache_raw_supply (regcache, regnum,
- &pcb->pcb_context[regnum - ALPHA_S0_REGNUM]);
- regcache_raw_supply (regcache, ALPHA_RA_REGNUM, &pcb->pcb_context[7]);
+ regcache->raw_supply (regnum, &pcb->pcb_context[regnum - ALPHA_S0_REGNUM]);
+ regcache->raw_supply (ALPHA_RA_REGNUM, &pcb->pcb_context[7]);
return 1;
}
\f
+void _initialize_alphabsd_nat ();
void
-_initialize_alphabsd_nat (void)
+_initialize_alphabsd_nat ()
{
- struct target_ops *t;
-
- t = inf_ptrace_target ();
- t->to_fetch_registers = alphabsd_fetch_inferior_registers;
- t->to_store_registers = alphabsd_store_inferior_registers;
- add_target (t);
+ add_inf_child_target (&the_alpha_bsd_nat_target);
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (alphabsd_supply_pcb);