* hppa-hpux-nat.c: New file.

* config/pa/hpux.mh (NATDEPFILES): New file.
* Makefile.in (ALLDEPFILES): Add hppa-hpux-nat.c.
(hppa-hpux-nat.o): New dependency.
* configure.host: Remove hppa*-*-hpux10.20.
(hppa*-*-hpux*, hppa*-*-hiux*): Set gdb_host to hpux.mh.

1 files changed, 290 insertions, 0 deletions

diff --git a/gdb/hppa-hpux-nat.c b/gdb/hppa-hpux-nat.c
new file mode 100644
index 00000000000..9f77b4d63f9
--- /dev/null
+++ b/gdb/hppa-hpux-nat.c
@@ -0,0 +1,290 @@
+/* Native-dependent code for PA-RISC HP-UX.
+
+   Copyright 2004 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 "defs.h"
+#include "inferior.h"
+#include "regcache.h"
+#include "target.h"
+
+#include "gdb_assert.h"
+#include <sys/ptrace.h>
+#include <machine/save_state.h>
+
+#include "hppa-tdep.h"
+#include "inf-ptrace.h"
+
+static int hppa_hpux_save_state_offset[] =
+{
+  ssoff(ss_flags),
+  ssoff(ss_narrow.ss_gr1),
+  ssoff(ss_narrow.ss_rp),
+  ssoff(ss_narrow.ss_gr3),
+  ssoff(ss_narrow.ss_gr4),
+  ssoff(ss_narrow.ss_gr5),
+  ssoff(ss_narrow.ss_gr6),
+  ssoff(ss_narrow.ss_gr7),
+  ssoff(ss_narrow.ss_gr8),
+  ssoff(ss_narrow.ss_gr9),
+  ssoff(ss_narrow.ss_gr10),
+  ssoff(ss_narrow.ss_gr11),
+  ssoff(ss_narrow.ss_gr12),
+  ssoff(ss_narrow.ss_gr13),
+  ssoff(ss_narrow.ss_gr14),
+  ssoff(ss_narrow.ss_gr15),
+  ssoff(ss_narrow.ss_gr16),
+  ssoff(ss_narrow.ss_gr17),
+  ssoff(ss_narrow.ss_gr18),
+  ssoff(ss_narrow.ss_gr19),
+  ssoff(ss_narrow.ss_gr20),
+  ssoff(ss_narrow.ss_gr21),
+  ssoff(ss_narrow.ss_gr22),
+  ssoff(ss_narrow.ss_arg3),
+  ssoff(ss_narrow.ss_arg2),
+  ssoff(ss_narrow.ss_arg1),
+  ssoff(ss_narrow.ss_arg0),
+  ssoff(ss_narrow.ss_dp),
+  ssoff(ss_narrow.ss_ret0),
+  ssoff(ss_narrow.ss_ret1),
+  ssoff(ss_narrow.ss_sp),
+  ssoff(ss_narrow.ss_gr31),
+  ssoff(ss_narrow.ss_cr11),
+  ssoff(ss_narrow.ss_pcoq_head),
+  ssoff(ss_narrow.ss_pcsq_head),
+  ssoff(ss_narrow.ss_pcoq_tail),
+  ssoff(ss_narrow.ss_pcsq_tail),
+  ssoff(ss_narrow.ss_cr15),
+  ssoff(ss_narrow.ss_cr19),
+  ssoff(ss_narrow.ss_cr20),
+  ssoff(ss_narrow.ss_cr21),
+  ssoff(ss_narrow.ss_cr22),
+  ssoff(ss_narrow.ss_cpustate),
+  ssoff(ss_narrow.ss_sr4),
+  ssoff(ss_narrow.ss_sr0),
+  ssoff(ss_narrow.ss_sr1),
+  ssoff(ss_narrow.ss_sr2),
+  ssoff(ss_narrow.ss_sr3),
+  ssoff(ss_narrow.ss_sr5),
+  ssoff(ss_narrow.ss_sr6),
+  ssoff(ss_narrow.ss_sr7),
+  ssoff(ss_narrow.ss_cr0),
+  ssoff(ss_narrow.ss_cr8),
+  ssoff(ss_narrow.ss_cr9),
+  ssoff(ss_narrow.ss_cr10),
+  ssoff(ss_narrow.ss_cr12),
+  ssoff(ss_narrow.ss_cr13),
+  ssoff(ss_narrow.ss_cr24),
+  ssoff(ss_narrow.ss_cr25),
+  ssoff(ss_narrow.ss_cr26),
+  ssoff(ss_narrow.ss_mpsfu_high),
+  ssoff(ss_narrow.ss_mpsfu_low),
+  ssoff(ss_narrow.ss_mpsfu_ovflo),
+  ssoff(ss_pad),
+  ssoff(ss_frstat),
+  ssoff(ss_frexcp1),
+  ssoff(ss_frexcp2),
+  ssoff(ss_frexcp3),
+  ssoff(ss_frexcp4),
+  ssoff(ss_frexcp5),
+  ssoff(ss_frexcp6),
+  ssoff(ss_frexcp7),
+  ssoff(ss_fr4_hi),
+  ssoff(ss_fr4_lo),
+  ssoff(ss_fr5_hi),
+  ssoff(ss_fr5_lo),
+  ssoff(ss_fr6_hi),
+  ssoff(ss_fr6_lo),
+  ssoff(ss_fr7_hi),
+  ssoff(ss_fr7_lo),
+  ssoff(ss_fr8_hi),
+  ssoff(ss_fr8_lo),
+  ssoff(ss_fr9_hi),
+  ssoff(ss_fr9_lo),
+  ssoff(ss_fr10_hi),
+  ssoff(ss_fr10_lo),
+  ssoff(ss_fr11_hi),
+  ssoff(ss_fr11_lo),
+  ssoff(ss_fr12_hi),
+  ssoff(ss_fr12_lo),
+  ssoff(ss_fr13_hi),
+  ssoff(ss_fr13_lo),
+  ssoff(ss_fr14_hi),
+  ssoff(ss_fr14_lo),
+  ssoff(ss_fr15_hi),
+  ssoff(ss_fr15_lo),
+  ssoff(ss_fr16_hi),
+  ssoff(ss_fr16_lo),
+  ssoff(ss_fr17_hi),
+  ssoff(ss_fr17_lo),
+  ssoff(ss_fr18_hi),
+  ssoff(ss_fr18_lo),
+  ssoff(ss_fr19_hi),
+  ssoff(ss_fr19_lo),
+  ssoff(ss_fr20_hi),
+  ssoff(ss_fr20_lo),
+  ssoff(ss_fr21_hi),
+  ssoff(ss_fr21_lo),
+  ssoff(ss_fr22_hi),
+  ssoff(ss_fr22_lo),
+  ssoff(ss_fr23_hi),
+  ssoff(ss_fr23_lo),
+  ssoff(ss_fr24_hi),
+  ssoff(ss_fr24_lo),
+  ssoff(ss_fr25_hi),
+  ssoff(ss_fr25_lo),
+  ssoff(ss_fr26_hi),
+  ssoff(ss_fr26_lo),
+  ssoff(ss_fr27_hi),
+  ssoff(ss_fr27_lo),
+  ssoff(ss_fr28_hi),
+  ssoff(ss_fr28_lo),
+  ssoff(ss_fr29_hi),
+  ssoff(ss_fr29_lo),
+  ssoff(ss_fr30_hi),
+  ssoff(ss_fr30_lo),
+  ssoff(ss_fr31_hi),
+  ssoff(ss_fr31_lo)
+};
+
+static int
+hppa_hpux_cannot_fetch_register (int regnum)
+{
+  gdb_assert (regnum >= 0 && regnum < NUM_REGS);
+  return (regnum >= ARRAY_SIZE(hppa_hpux_save_state_offset));
+}
+
+static int
+hppa_hpux_cannot_store_register (int regnum)
+{
+  return hppa_hpux_cannot_fetch_register (regnum);
+}
+
+static void
+hppa_hpux_fetch_register (int regnum)
+{
+  CORE_ADDR addr;
+  size_t size;
+  PTRACE_TYPE_RET *buf;
+  pid_t pid;
+  int i;
+
+  if (hppa_hpux_cannot_fetch_register (regnum))
+    {
+      regcache_raw_supply (current_regcache, regnum, NULL);
+      return;
+    }
+
+  pid = PIDGET (inferior_ptid);
+
+  /* This isn't really an address.  But ptrace thinks of it as one.  */
+  addr = hppa_hpux_save_state_offset[regnum];
+  size = register_size (current_gdbarch, regnum);
+
+  gdb_assert ((size % sizeof (PTRACE_TYPE_RET)) == 0);
+  buf = alloca (size);
+
+  /* Read the register contents from the inferior a chuck at the time.  */
+  for (i = 0; i < size / sizeof (PTRACE_TYPE_RET); i++)
+    {
+      errno = 0;
+      buf[i] = ptrace (PT_RUREGS, pid, (PTRACE_TYPE_ARG3) addr, 0, 0);
+      if (errno != 0)
+	error ("Couldn't read register %s (#%d): %s.", REGISTER_NAME (regnum),
+	       regnum, safe_strerror (errno));
+
+      addr += sizeof (PTRACE_TYPE_RET);
+    }
+  regcache_raw_supply (current_regcache, regnum, buf);
+}
+
+static void
+hppa_hpux_fetch_inferior_registers (int regnum)
+{
+  if (regnum == -1)
+    for (regnum = 0; regnum < NUM_REGS; regnum++)
+      hppa_hpux_fetch_register (regnum);
+  else
+    hppa_hpux_fetch_register (regnum);
+}
+
+/* Store register REGNUM into the inferior.  */
+
+static void
+hppa_hpux_store_register (int regnum)
+{
+  CORE_ADDR addr;
+  size_t size;
+  PTRACE_TYPE_RET *buf;
+  pid_t pid;
+  int i;
+
+  if (hppa_hpux_cannot_store_register (regnum))
+    return;
+
+  pid = PIDGET (inferior_ptid);
+
+  /* This isn't really an address.  But ptrace thinks of it as one.  */
+  addr = hppa_hpux_save_state_offset[regnum];
+  size = register_size (current_gdbarch, regnum);
+
+  gdb_assert ((size % sizeof (PTRACE_TYPE_RET)) == 0);
+  buf = alloca (size);
+
+  /* Write the register contents into the inferior a chunk at the time.  */
+  regcache_raw_collect (current_regcache, regnum, buf);
+  for (i = 0; i < size / sizeof (PTRACE_TYPE_RET); i++)
+    {
+      errno = 0;
+      ptrace (PT_WUREGS, pid, (PTRACE_TYPE_ARG3) addr, buf[i], 0);
+      if (errno != 0)
+	error ("Couldn't write register %s (#%d): %s.", REGISTER_NAME (regnum),
+	       regnum, safe_strerror (errno));
+
+      addr += sizeof (PTRACE_TYPE_RET);
+    }
+}
+
+/* Store register REGNUM back into the inferior.  If REGNUM is -1, do
+   this for all registers (including the floating point registers).  */
+
+static void
+hppa_hpux_store_inferior_registers (int regnum)
+{
+  if (regnum == -1)
+    for (regnum = 0; regnum < NUM_REGS; regnum++)
+      hppa_hpux_store_register (regnum);
+  else
+    hppa_hpux_store_register (regnum);
+}
+
+
+/* Prevent warning from -Wmissing-prototypes.  */
+void _initialize_hppa_hpux_nat (void);
+
+void
+_initialize_hppa_hpux_nat (void)
+{
+  struct target_ops *t;
+
+  t = inf_ptrace_target ();
+  t->to_fetch_registers = hppa_hpux_fetch_inferior_registers;
+  t->to_store_registers = hppa_hpux_store_inferior_registers;
+  add_target (t);
+}