gdb/

[deliverable/binutils-gdb.git] / gdb / hppabsd-nat.c

diff --git a/gdb/hppabsd-nat.c b/gdb/hppabsd-nat.c
index 438aaa58d270945862c8c61958c97e0dd5d968d0..c9b4e599364985700bf28b9ee5e626bc01d0d21d 100644 (file)
--- a/gdb/hppabsd-nat.c
+++ b/gdb/hppabsd-nat.c
@@ -1,12 +1,12 @@
 /* Native-dependent code for HP PA-RISC BSD's.
 
-   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2004-2005, 2007-2012 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
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -15,9 +15,7 @@
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "inferior.h"
@@ -37,6 +35,12 @@ 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
@@ -53,6 +57,22 @@ hppabsd_supply_gregset (struct regcache *regcache, const void *gregs)
   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.  */
 
@@ -76,16 +96,35 @@ hppabsd_collect_gregset (const struct regcache *regcache,
   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).  */
 
 static void
-hppabsd_fetch_registers (int regnum)
+hppabsd_fetch_registers (struct target_ops *ops,
+                        struct regcache *regcache, int regnum)
 {
-  struct regcache *regcache = current_regcache;
-
   if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
     {
       struct reg regs;
@@ -96,13 +135,25 @@ hppabsd_fetch_registers (int regnum)
 
       hppabsd_supply_gregset (regcache, &regs);
     }
+
+  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).  */
 
 static void
-hppabsd_store_registers (int regnum)
+hppabsd_store_registers (struct target_ops *ops,
+                        struct regcache *regcache, int regnum)
 {
   if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
     {
@@ -112,12 +163,27 @@ hppabsd_store_registers (int regnum)
                   (PTRACE_TYPE_ARG3) &regs, 0) == -1)
         perror_with_name (_("Couldn't get registers"));
 
-      hppabsd_collect_gregset (current_regcache, &regs, regnum);
+      hppabsd_collect_gregset (regcache, &regs, regnum);
 
       if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
                  (PTRACE_TYPE_ARG3) &regs, 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.  */