/* Native-dependent code for HP PA-RISC 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 "hppa-tdep.h"
+#include "inf-ptrace.h"
static int
hppabsd_gregset_supplies_p (int regnum)
return (regnum >= HPPA_R0_REGNUM && regnum <= HPPA_PCOQ_TAIL_REGNUM);
}
+static int
+hppabsd_fpregset_supplies_p (int regnum)
+{
+ return (regnum >= HPPA_FP0_REGNUM && regnum <= HPPA_FP31R_REGNUM);
+}
+
/* Supply the general-purpose registers stored in GREGS to REGCACHE. */
static void
regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
}
+/* Supply the floating-point registers stored in FPREGS to REGCACHE. */
+
+static void
+hppabsd_supply_fpregset (struct regcache *regcache, const void *fpregs)
+{
+ const char *regs = fpregs;
+ int regnum;
+
+ for (regnum = HPPA_FP0_REGNUM; regnum <= HPPA_FP31R_REGNUM;
+ regnum += 2, regs += 8)
+ {
+ regcache_raw_supply (regcache, regnum, regs);
+ regcache_raw_supply (regcache, regnum + 1, regs + 4);
+ }
+}
+
/* Collect the general-purpose registers from REGCACHE and store them
in GREGS. */
if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
regcache_raw_collect (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
}
+
+/* Collect the floating-point registers from REGCACHE and store them
+ in FPREGS. */
+
+static void
+hppabsd_collect_fpregset (struct regcache *regcache,
+ void *fpregs, int regnum)
+{
+ char *regs = fpregs;
+ int i;
+
+ for (i = HPPA_FP0_REGNUM; i <= HPPA_FP31R_REGNUM; i += 2, regs += 8)
+ {
+ if (regnum == -1 || regnum == i || regnum == i + 1)
+ {
+ regcache_raw_collect (regcache, i, regs);
+ regcache_raw_collect (regcache, i + 1, regs + 4);
+ }
+ }
+}
\f
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers (including the floating-point registers). */
-void
-fetch_inferior_registers (int regnum)
+static void
+hppabsd_fetch_registers (struct regcache *regcache, int regnum)
{
- struct regcache *regcache = current_regcache;
-
if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
{
struct reg regs;
hppabsd_supply_gregset (regcache, ®s);
}
+
+ if (regnum == -1 || hppabsd_fpregset_supplies_p (regnum))
+ {
+ struct fpreg fpregs;
+
+ if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ perror_with_name (_("Couldn't get floating point status"));
+
+ hppabsd_supply_fpregset (regcache, &fpregs);
+ }
}
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
this for all registers (including the floating-point registers). */
-void
-store_inferior_registers (int regnum)
+static void
+hppabsd_store_registers (struct regcache *regcache, int regnum)
{
if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
{
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- hppabsd_collect_gregset (current_regcache, ®s, regnum);
+ hppabsd_collect_gregset (regcache, ®s, regnum);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't write registers"));
}
+
+ if (regnum == -1 || hppabsd_fpregset_supplies_p (regnum))
+ {
+ struct fpreg fpregs;
+
+ if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ perror_with_name (_("Couldn't get floating point status"));
+
+ hppabsd_collect_fpregset (regcache, &fpregs, regnum);
+
+ if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
+ perror_with_name (_("Couldn't write floating point status"));
+ }
+}
+
+/* Provide a prototype to silence -Wmissing-prototypes. */
+void _initialize_hppabsd_nat (void);
+
+void
+_initialize_hppabsd_nat (void)
+{
+ struct target_ops *t;
+
+ /* Add in local overrides. */
+ t = inf_ptrace_target ();
+ t->to_fetch_registers = hppabsd_fetch_registers;
+ t->to_store_registers = hppabsd_store_registers;
+ add_target (t);
}