* doc/binutils.texi (c++filt): Remove spurious description of

[deliverable/binutils-gdb.git] / gdb / inf-ptrace.c

diff --git a/gdb/inf-ptrace.c b/gdb/inf-ptrace.c
index 7076da7073b2232002fd8888f66b1e980625b529..736154aac0e8bdd5b626de3f808fb59bb0ce4abf 100644 (file)
--- a/gdb/inf-ptrace.c
+++ b/gdb/inf-ptrace.c
@@ -46,20 +46,8 @@ inf_ptrace_follow_fork (struct target_ops *ops, int follow_child)
 {
   pid_t pid, fpid;
   ptrace_state_t pe;
-  struct thread_info *last_tp = NULL;
 
-  /* FIXME: kettenis/20050720: This stuff should really be passed as
-     an argument by our caller.  */
-  {
-    ptid_t ptid;
-    struct target_waitstatus status;
-
-    get_last_target_status (&ptid, &status);
-    gdb_assert (status.kind == TARGET_WAITKIND_FORKED);
-
-    pid = ptid_get_pid (ptid);
-    last_tp = find_thread_pid (ptid);
-  }
+  pid = ptid_get_pid (inferior_ptid);
 
   if (ptrace (PT_GET_PROCESS_STATE, pid,
               (PTRACE_TYPE_ARG3)&pe, sizeof pe) == -1)
@@ -70,18 +58,9 @@ inf_ptrace_follow_fork (struct target_ops *ops, int follow_child)
 
   if (follow_child)
     {
-      /* Copy user stepping state to the new inferior thread.  */
-      struct breakpoint *step_resume_breakpoint = last_tp->step_resume_breakpoint;
-      CORE_ADDR step_range_start = last_tp->step_range_start;
-      CORE_ADDR step_range_end = last_tp->step_range_end;
-      struct frame_id step_frame_id = last_tp->step_frame_id;
       struct inferior *parent_inf, *child_inf;
       struct thread_info *tp;
 
-      /* Otherwise, deleting the parent would get rid of this
-        breakpoint.  */
-      last_tp->step_resume_breakpoint = NULL;
-
       parent_inf = find_inferior_pid (pid);
 
       /* Add the child.  */
@@ -102,26 +81,15 @@ inf_ptrace_follow_fork (struct target_ops *ops, int follow_child)
       /* Delete the parent.  */
       detach_inferior (pid);
 
-      tp = add_thread_silent (inferior_ptid);
-
-      tp->step_resume_breakpoint = step_resume_breakpoint;
-      tp->step_range_start = step_range_start;
-      tp->step_range_end = step_range_end;
-      tp->step_frame_id = step_frame_id;
-
-      /* Reset breakpoints in the child as appropriate.  */
-      follow_inferior_reset_breakpoints ();
+      add_thread_silent (inferior_ptid);
     }
   else
     {
-      inferior_ptid = pid_to_ptid (pid);
-
       /* Breakpoints have already been detached from the child by
         infrun.c.  */
 
       if (ptrace (PT_DETACH, fpid, (PTRACE_TYPE_ARG3)1, 0) == -1)
        perror_with_name (("ptrace"));
-      detach_inferior (pid);
     }
 
   return 0;
@@ -364,13 +332,18 @@ inf_ptrace_resume (struct target_ops *ops,
                   ptid_t ptid, int step, enum target_signal signal)
 {
   pid_t pid = ptid_get_pid (ptid);
-  int request = PT_CONTINUE;
+  int request;
 
   if (pid == -1)
     /* Resume all threads.  Traditionally ptrace() only supports
        single-threaded processes, so simply resume the inferior.  */
     pid = ptid_get_pid (inferior_ptid);
 
+  if (catch_syscall_enabled () > 0)
+    request = PT_SYSCALL;
+  else
+    request = PT_CONTINUE;
+
   if (step)
     {
       /* If this system does not support PT_STEP, a higher level