2004-09-12 Andrew Cagney <cagney@gnu.org>

	* ppcnbsd-nat.c: Include "inf-ptrace.h".
	(ppcnbsd_fetch_inferior_registers): Rename fetch_inferior_registers.
	(ppcnbsd_store_inferior_registers): Rename store_inferior_registers.
	(_initialize_ppcnbsd_nat): Create and add a NetBSD/PPC ptrace
	target.
	* config/powerpc/nbsd.mh (NATDEPFILES): Replace and inftarg.o with
	inf-ptrace.o and inf-child.o.
	* inf-ptrace.h, inf-ptrace.c, inf-child.h, inf-child.c: New files.
	* Makefile.in: Update dependencies.

1 files changed, 241 insertions, 0 deletions

diff --git a/gdb/inf-child.c b/gdb/inf-child.c
new file mode 100644
index 00000000000..f729611173a
--- /dev/null
+++ b/gdb/inf-child.c
@@ -0,0 +1,241 @@
+/* Default child (native) target interface, for GDB when running under
+   Unix.
+
+   Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+   1998, 1999, 2000, 2001, 2002, 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 "regcache.h"
+#include "memattr.h"
+#include "symtab.h"
+#include "target.h"
+#include "inferior.h"
+
+/* Fetch register REGNUM from the inferior.  If REGNUM is -1, do this
+   for all registers.  */
+
+static void
+inf_child_fetch_inferior_registers (int regnum)
+{
+  if (regnum == -1)
+    {
+      for (regnum = 0; regnum < NUM_REGS; regnum++)
+	regcache_raw_supply (current_regcache, regnum, NULL);
+    }
+  else
+    regcache_raw_supply (current_regcache, regnum, NULL);
+}
+
+/* Store register REGNUM back into the inferior.  If REGNUM is -1, do
+   this for all registers (including the floating point registers).  */
+
+static void
+inf_child_store_inferior_registers (int regnum)
+{
+}
+
+void
+inf_child_post_wait (ptid_t ptid, int wait_status)
+{
+  /* This version of Unix doesn't require a meaningful "post wait"
+     operation.
+   */
+}
+
+static void
+inf_child_post_attach (int pid)
+{
+  /* This version of Unix doesn't require a meaningful "post attach"
+     operation by a debugger.  */
+}
+
+/* Get ready to modify the registers array.  On machines which store
+   individual registers, this doesn't need to do anything.  On
+   machines which store all the registers in one fell swoop, this
+   makes sure that registers contains all the registers from the
+   program being debugged.  */
+
+static void
+inf_child_prepare_to_store (void)
+{
+}
+
+static void
+inf_child_open (char *arg, int from_tty)
+{
+  error ("Use the \"run\" command to start a Unix child process.");
+}
+
+static void
+inf_child_post_startup_inferior (ptid_t ptid)
+{
+  /* This version of Unix doesn't require a meaningful "post startup
+     inferior" operation by a debugger.  */
+}
+
+static void
+inf_child_acknowledge_created_inferior (int pid)
+{
+  /* This version of Unix doesn't require a meaningful "acknowledge
+     created inferior" operation by a debugger.  */
+}
+
+static int
+inf_child_insert_fork_catchpoint (int pid)
+{
+  /* This version of Unix doesn't support notification of fork
+     events.  */
+  return 0;
+}
+
+static int
+inf_child_remove_fork_catchpoint (int pid)
+{
+  /* This version of Unix doesn't support notification of fork
+     events.  */
+  return 0;
+}
+
+static int
+inf_child_insert_vfork_catchpoint (int pid)
+{
+  /* This version of Unix doesn't support notification of vfork
+     events.  */
+  return 0;
+}
+
+static int
+inf_child_remove_vfork_catchpoint (int pid)
+{
+  /* This version of Unix doesn't support notification of vfork
+     events.  */
+  return 0;
+}
+
+static int
+inf_child_follow_fork (int follow_child)
+{
+  /* This version of Unix doesn't support following fork or vfork
+     events.  */
+  return 0;
+}
+
+static int
+inf_child_insert_exec_catchpoint (int pid)
+{
+  /* This version of Unix doesn't support notification of exec
+     events.  */
+  return 0;
+}
+
+static int
+inf_child_remove_exec_catchpoint (int pid)
+{
+  /* This version of Unix doesn't support notification of exec
+     events.  */
+  return 0;
+}
+
+static int
+inf_child_reported_exec_events_per_exec_call (void)
+{
+  /* This version of Unix doesn't support notification of exec
+     events.  */
+  return 1;
+}
+
+static int
+inf_child_can_run (void)
+{
+  return 1;
+}
+
+static struct symtab_and_line *
+inf_child_enable_exception_callback (enum exception_event_kind kind,
+				     int enable)
+{
+  return (struct symtab_and_line *) NULL;
+}
+
+static struct exception_event_record *
+inf_child_get_current_exception_event (void)
+{
+  return (struct exception_event_record *) NULL;
+}
+
+static char *
+inf_child_pid_to_exec_file (int pid)
+{
+  /* This version of Unix doesn't support translation of a process ID
+     to the filename of the executable file.  */
+  return NULL;
+}
+
+static char *
+inf_child_core_file_to_sym_file (char *core)
+{
+  /* The target stratum for a running executable need not support this
+     operation.  */
+  return NULL;
+}
+
+struct target_ops *
+inf_child_target (void)
+{
+  struct target_ops *t = XZALLOC (struct target_ops);
+  t->to_shortname = "child";
+  t->to_longname = "Unix child process";
+  t->to_doc = "Unix child process (started by the \"run\" command).";
+  t->to_open = inf_child_open;
+  t->to_post_attach = inf_child_post_attach;
+  t->to_post_wait = inf_child_post_wait;
+  t->to_prepare_to_store = inf_child_prepare_to_store;
+  t->to_insert_breakpoint = memory_insert_breakpoint;
+  t->to_remove_breakpoint = memory_remove_breakpoint;
+  t->to_terminal_init = terminal_init_inferior;
+  t->to_terminal_inferior = terminal_inferior;
+  t->to_terminal_ours_for_output = terminal_ours_for_output;
+  t->to_terminal_save_ours = terminal_save_ours;
+  t->to_terminal_ours = terminal_ours;
+  t->to_terminal_info = child_terminal_info;
+  t->to_post_startup_inferior = inf_child_post_startup_inferior;
+  t->to_acknowledge_created_inferior = inf_child_acknowledge_created_inferior;
+  t->to_insert_fork_catchpoint = inf_child_insert_fork_catchpoint;
+  t->to_remove_fork_catchpoint = inf_child_remove_fork_catchpoint;
+  t->to_insert_vfork_catchpoint = inf_child_insert_vfork_catchpoint;
+  t->to_remove_vfork_catchpoint = inf_child_remove_vfork_catchpoint;
+  t->to_follow_fork = inf_child_follow_fork;
+  t->to_insert_exec_catchpoint = inf_child_insert_exec_catchpoint;
+  t->to_remove_exec_catchpoint = inf_child_remove_exec_catchpoint;
+  t->to_reported_exec_events_per_exec_call =
+    inf_child_reported_exec_events_per_exec_call;
+  t->to_can_run = inf_child_can_run;
+  t->to_enable_exception_callback = inf_child_enable_exception_callback;
+  t->to_get_current_exception_event = inf_child_get_current_exception_event;
+  t->to_pid_to_exec_file = inf_child_pid_to_exec_file;
+  t->to_stratum = process_stratum;
+  t->to_has_all_memory = 1;
+  t->to_has_memory = 1;
+  t->to_has_stack = 1;
+  t->to_has_registers = 1;
+  t->to_has_execution = 1;
+  t->to_magic = OPS_MAGIC;
+  return t;
+}