/* Native-dependent code for OpenBSD.
- Copyright (C) 2012-2019 Free Software Foundation, Inc.
+ Copyright (C) 2012-2021 Free Software Foundation, Inc.
This file is part of GDB.
#include <sys/types.h>
#include <sys/ptrace.h>
-#include "common/gdb_wait.h"
+#include "gdbsupport/gdb_wait.h"
#include "inf-child.h"
#include "obsd-nat.h"
#ifdef PT_GET_THREAD_FIRST
-const char *
+std::string
obsd_nat_target::pid_to_str (ptid_t ptid)
{
if (ptid.lwp () != 0)
- {
- static char buf[64];
-
- xsnprintf (buf, sizeof buf, "thread %ld", ptid.lwp ());
- return buf;
- }
+ return string_printf ("thread %ld", ptid.lwp ());
return normal_pid_to_str (ptid);
}
{
ptid_t ptid = ptid_t (pid, pts.pts_tid, 0);
- if (!in_thread_list (ptid))
+ if (!in_thread_list (this, ptid))
{
if (inferior_ptid.lwp () == 0)
- thread_change_ptid (inferior_ptid, ptid);
+ thread_change_ptid (this, inferior_ptid, ptid);
else
- add_thread (ptid);
+ add_thread (this, ptid);
}
if (ptrace (PT_GET_THREAD_NEXT, pid, (caddr_t)&pts, sizeof pts) == -1)
ptid_t
obsd_nat_target::wait (ptid_t ptid, struct target_waitstatus *ourstatus,
- int options)
+ target_wait_flags options)
{
pid_t pid;
int status, save_errno;
}
ptid = ptid_t (pid, pe.pe_tid, 0);
- if (!in_thread_list (ptid))
+ if (!in_thread_list (this, ptid))
{
if (inferior_ptid.lwp () == 0)
- thread_change_ptid (inferior_ptid, ptid);
+ thread_change_ptid (this, inferior_ptid, ptid);
else
- add_thread (ptid);
+ add_thread (this, ptid);
}
}
}
#endif /* PT_GET_THREAD_FIRST */
+
+#ifdef PT_GET_PROCESS_STATE
+
+void
+obsd_nat_target::post_attach (int pid)
+{
+ ptrace_event_t pe;
+
+ /* Set the initial event mask. */
+ memset (&pe, 0, sizeof pe);
+ pe.pe_set_event |= PTRACE_FORK;
+ if (ptrace (PT_SET_EVENT_MASK, pid,
+ (PTRACE_TYPE_ARG3)&pe, sizeof pe) == -1)
+ perror_with_name (("ptrace"));
+}
+
+void
+obsd_nat_target::post_startup_inferior (ptid_t pid)
+{
+ ptrace_event_t pe;
+
+ /* Set the initial event mask. */
+ memset (&pe, 0, sizeof pe);
+ pe.pe_set_event |= PTRACE_FORK;
+ if (ptrace (PT_SET_EVENT_MASK, pid.pid (),
+ (PTRACE_TYPE_ARG3)&pe, sizeof pe) == -1)
+ perror_with_name (("ptrace"));
+}
+
+/* Target hook for follow_fork. On entry and at return inferior_ptid is
+ the ptid of the followed inferior. */
+
+bool
+obsd_nat_target::follow_fork (bool follow_child, bool detach_fork)
+{
+ if (!follow_child)
+ {
+ struct thread_info *tp = inferior_thread ();
+ pid_t child_pid = tp->pending_follow.value.related_pid.pid ();
+
+ /* Breakpoints have already been detached from the child by
+ infrun.c. */
+
+ if (ptrace (PT_DETACH, child_pid, (PTRACE_TYPE_ARG3)1, 0) == -1)
+ perror_with_name (("ptrace"));
+ }
+
+ return false;
+}
+
+int
+obsd_nat_target::insert_fork_catchpoint (int pid)
+{
+ return 0;
+}
+
+int
+obsd_nat_target::remove_fork_catchpoint (int pid)
+{
+ return 0;
+}
+
+#endif /* PT_GET_PROCESS_STATE */