gdb/

2012-11-02  Pedro Alves  <palves@redhat.com>

	PR gdb/14766

	* infrun.c (handle_inferior_event)
	<TARGET_WAITKIND_EXITED/TARGET_WAITKIND_SIGNALLED>: Switch to
	null_ptid before handling a vfork child exec or exit.  Switch to
	the event ptid afterwards.

gdb/testsuite/
2012-11-02  Pedro Alves  <palves@redhat.com>

	PR gdb/14766

	* gdb.base/foll-vfork.exp (vfork_child_follow_to_exit): Remove
	setup_kfail.
	(tcatch_vfork_then_child_follow_exit): No longer expect "Couldn't
	get registers".

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index adcdb97..95e7777 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,12 @@
+2012-11-02  Pedro Alves  <palves@redhat.com>
+
+       PR gdb/14766
+
+       * infrun.c (handle_inferior_event)
+       <TARGET_WAITKIND_EXITED/TARGET_WAITKIND_SIGNALLED>: Switch to
+       null_ptid before handling a vfork child exec or exit.  Switch to
+       the event ptid afterwards.
+
 2012-11-02  Yao Qi  <yao@codesourcery.com>
 
        * std-operator.def: Remove OP_LABELED.

diff --git a/gdb/infrun.c b/gdb/infrun.c
index d79c6bd..ab5aacf 100644 (file)
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -663,7 +663,16 @@ handle_vfork_child_exec_or_exit (int exec)
 
          /* follow-fork child, detach-on-fork on.  */
 
-         old_chain = make_cleanup_restore_current_thread ();
+         if (!exec)
+           {
+             /* If we're handling a child exit, then inferior_ptid
+                points at the inferior's pid, not to a thread.  */
+             old_chain = save_inferior_ptid ();
+             save_current_program_space ();
+             save_current_inferior ();
+           }
+         else
+           old_chain = save_current_space_and_thread ();
 
          /* We're letting loose of the parent.  */
          tp = any_live_thread_of_process (inf->vfork_parent->pid);

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index e7e42d8..91287e3 100644 (file)
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,14 @@
 2012-11-02  Pedro Alves  <palves@redhat.com>
 
+       PR gdb/14766
+
+       * gdb.base/foll-vfork.exp (vfork_child_follow_to_exit): Remove
+       setup_kfail.
+       (tcatch_vfork_then_child_follow_exit): No longer expect "Couldn't
+       get registers".
+
+2012-11-02  Pedro Alves  <palves@redhat.com>
+
        * gdb.base/foll-vfork-exit.c: New file.
        * gdb.base/foll-vfork.exp (top level): New file-describing
        comment.

diff --git a/gdb/testsuite/gdb.base/foll-vfork.exp b/gdb/testsuite/gdb.base/foll-vfork.exp
index 9515d16..0b2eee6 100644 (file)
--- a/gdb/testsuite/gdb.base/foll-vfork.exp
+++ b/gdb/testsuite/gdb.base/foll-vfork.exp
@@ -164,7 +164,7 @@ proc vfork_child_follow_to_exit {} {
    set test "continue to child exit"
    gdb_test_multiple "continue" $test {
       -re "Couldn't get registers.*$gdb_prompt " {
-         setup_kfail "gdb/14766" *-*-*
+         # PR gdb/14766
          fail "$test"
       }
       -re "Attaching after.* vfork to.*Detaching vfork parent .* after child exit.*$gdb_prompt " {
@@ -369,10 +369,6 @@ proc tcatch_vfork_then_child_follow_exit {} {
 
    set test "finish"
    gdb_test_multiple "finish" $test {
-      -re "Couldn't get registers.*$gdb_prompt " {
-         setup_kfail "gdb/14766" *-*-*
-         fail "$test "
-      }
       -re "Run till exit from.*vfork.*exited normally.*$gdb_prompt " {
          setup_kfail "gdb/14762" *-*-*
          fail $test