* sigproc.h (sigframe::set): Accept a default frame pointer.

* sigproc.cc (sig_send): Use passed in frame pointer, if appropriate.

1 files changed, 6 insertions, 3 deletions

diff --git a/winsup/cygwin/sigproc.h b/winsup/cygwin/sigproc.h
index d850ec923..581a5b5bd 100644
--- a/winsup/cygwin/sigproc.h
+++ b/winsup/cygwin/sigproc.h
@@ -49,12 +49,15 @@ private:
   sigthread *st;
 
 public:
-  void set (sigthread &t, int up = 1)
+  void set (sigthread &t, int up = 1, DWORD ebp = 0)
   {
     t.lock->acquire ();
     st = &t;
-    t.frame = (DWORD) (up ? __builtin_frame_address (1) :
-			   __builtin_frame_address (0));
+    if (ebp)
+      t.frame = ebp;
+    else
+      t.frame = (DWORD) (up ? __builtin_frame_address (1) :
+			     __builtin_frame_address (0));
     t.lock->release ();
   }