/* Low-level child interface to ttrace.
- Copyright 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2006, 2007 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,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbcore.h"
#include "gdbthread.h"
#include "inferior.h"
-#include "observer.h"
#include "target.h"
#include "gdb_assert.h"
}
static int
-inf_ttrace_region_size_ok_for_hw_watchpoint (int len)
+inf_ttrace_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len)
{
return 1;
}
static pid_t inf_ttrace_vfork_ppid = -1;
static int
-inf_ttrace_follow_fork (int follow_child)
+inf_ttrace_follow_fork (struct target_ops *ops, int follow_child)
{
pid_t pid, fpid;
lwpid_t lwpid, flwpid;
fork_inferior (exec_file, allargs, env, inf_ttrace_me, inf_ttrace_him,
inf_ttrace_prepare, NULL);
-
- /* We are at the first instruction we care about. */
- observer_notify_inferior_created (¤t_target, from_tty);
-
- /* Pedal to the metal... */
- proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0);
-}
-
-static void
-inf_ttrace_kill_inferior (void)
-{
- pid_t pid = ptid_get_pid (inferior_ptid);
-
- if (pid == 0)
- return;
-
- if (ttrace (TT_PROC_EXIT, pid, 0, 0, 0, 0) == -1)
- perror_with_name (("ttrace"));
- /* ??? Is it necessary to call ttrace_wait() here? */
-
- if (inf_ttrace_vfork_ppid != -1)
- {
- if (ttrace (TT_PROC_DETACH, inf_ttrace_vfork_ppid, 0, 0, 0, 0) == -1)
- perror_with_name (("ttrace"));
- inf_ttrace_vfork_ppid = -1;
- }
-
- target_mourn_inferior ();
}
static void
if (from_tty)
{
- exec_file = (char *) get_exec_file (0);
+ exec_file = get_exec_file (0);
if (exec_file)
printf_unfiltered (_("Attaching to program: %s, %s\n"), exec_file,
inferior_ptid = pid_to_ptid (pid);
push_target (ttrace_ops_hack);
-
- /* Do this first, before anything has had a chance to query the
- inferior's symbol table or similar. */
- observer_notify_inferior_created (¤t_target, from_tty);
}
static void
inferior_ptid = null_ptid;
}
+static void
+inf_ttrace_kill (void)
+{
+ pid_t pid = ptid_get_pid (inferior_ptid);
+
+ if (pid == 0)
+ return;
+
+ if (ttrace (TT_PROC_EXIT, pid, 0, 0, 0, 0) == -1)
+ perror_with_name (("ttrace"));
+ /* ??? Is it necessary to call ttrace_wait() here? */
+
+ if (inf_ttrace_vfork_ppid != -1)
+ {
+ if (ttrace (TT_PROC_DETACH, inf_ttrace_vfork_ppid, 0, 0, 0, 0) == -1)
+ perror_with_name (("ttrace"));
+ inf_ttrace_vfork_ppid = -1;
+ }
+
+ target_mourn_inferior ();
+}
+
static int
inf_ttrace_resume_callback (struct thread_info *info, void *arg)
{
#endif
case TTEVT_EXEC:
+ /* FIXME: kettenis/20051029: GDB doesn't really know how to deal
+ with TARGET_WAITKIND_EXECD events yet. So we make it look
+ like a SIGTRAP instead. */
+#if 0
ourstatus->kind = TARGET_WAITKIND_EXECD;
ourstatus->value.execd_pathname =
xmalloc (tts.tts_u.tts_exec.tts_pathlen + 1);
tts.tts_u.tts_exec.tts_pathlen, 0) == -1)
perror_with_name (("ttrace"));
ourstatus->value.execd_pathname[tts.tts_u.tts_exec.tts_pathlen] = 0;
+#else
+ ourstatus->kind = TARGET_WAITKIND_STOPPED;
+ ourstatus->value.sig = TARGET_SIGNAL_TRAP;
+#endif
break;
case TTEVT_EXIT:
if (inf_ttrace_num_lwps == 0)
{
/* Now that we're going to be multi-threaded, add the
- origional thread to the list first. */
+ original thread to the list first. */
add_thread (ptid_build (tts.tts_pid, tts.tts_lwpid, 0));
inf_ttrace_num_lwps++;
}
static void
inf_ttrace_files_info (struct target_ops *ignore)
{
- printf_unfiltered (_("\tUsing the running image of %s %s.\n"),
- attach_flag ? "attached" : "child",
- target_pid_to_str (inferior_ptid));
+ printf_filtered (_("\tUsing the running image of %s %s.\n"),
+ attach_flag ? "attached" : "child",
+ target_pid_to_str (inferior_ptid));
}
static int
{
struct target_ops *t = inf_child_target ();
- t->to_create_inferior = inf_ttrace_create_inferior;
- t->to_kill = inf_ttrace_kill_inferior;
- t->to_mourn_inferior = inf_ttrace_mourn_inferior;
t->to_attach = inf_ttrace_attach;
t->to_detach = inf_ttrace_detach;
t->to_resume = inf_ttrace_resume;
t->to_wait = inf_ttrace_wait;
- t->to_xfer_partial = inf_ttrace_xfer_partial;
t->to_files_info = inf_ttrace_files_info;
- t->to_thread_alive = inf_ttrace_thread_alive;
- t->to_pid_to_str = inf_ttrace_pid_to_str;
- t->to_follow_fork = inf_ttrace_follow_fork;
t->to_can_use_hw_breakpoint = inf_ttrace_can_use_hw_breakpoint;
- t->to_region_size_ok_for_hw_watchpoint =
- inf_ttrace_region_size_ok_for_hw_watchpoint;
t->to_insert_watchpoint = inf_ttrace_insert_watchpoint;
t->to_remove_watchpoint = inf_ttrace_remove_watchpoint;
t->to_stopped_by_watchpoint = inf_ttrace_stopped_by_watchpoint;
+ t->to_region_ok_for_hw_watchpoint =
+ inf_ttrace_region_ok_for_hw_watchpoint;
+ t->to_kill = inf_ttrace_kill;
+ t->to_create_inferior = inf_ttrace_create_inferior;
+ t->to_follow_fork = inf_ttrace_follow_fork;
+ t->to_mourn_inferior = inf_ttrace_mourn_inferior;
+ t->to_thread_alive = inf_ttrace_thread_alive;
+ t->to_pid_to_str = inf_ttrace_pid_to_str;
+ t->to_xfer_partial = inf_ttrace_xfer_partial;
ttrace_ops_hack = t;
return t;