1 files changed, 64 insertions, 0 deletions
diff --git a/src/libdwfl/dwfl_frame_pc.c b/src/libdwfl/dwfl_frame_pc.c
new file mode 100644
index 00000000..296c815b
--- /dev/null
+++ b/src/libdwfl/dwfl_frame_pc.c
@@ -0,0 +1,64 @@
+/* Get return address register value for frame.
+   Copyright (C) 2013 Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of either
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at
+       your option) any later version
+
+   or both in parallel, as here.
+
+   elfutils is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "libdwflP.h"
+
+bool
+dwfl_frame_pc (Dwfl_Frame *state, Dwarf_Addr *pc, bool *isactivation)
+{
+  assert (state->pc_state == DWFL_FRAME_STATE_PC_SET);
+  *pc = state->pc;
+  ebl_normalize_pc (state->thread->process->ebl, pc);
+  if (isactivation)
+    {
+      /* Bottom frame?  */
+      if (state->initial_frame)
+	*isactivation = true;
+      /* *ISACTIVATION is logical union of whether current or previous frame
+	 state is SIGNAL_FRAME.  */
+      else if (state->signal_frame)
+	*isactivation = true;
+      else
+	{
+	  /* If the previous frame has unwound unsuccessfully just silently do
+	     not consider it could be a SIGNAL_FRAME.  */
+	  __libdwfl_frame_unwind (state);
+	  if (state->unwound == NULL
+	      || state->unwound->pc_state != DWFL_FRAME_STATE_PC_SET)
+	    *isactivation = false;
+	  else
+	    *isactivation = state->unwound->signal_frame;
+	}
+    }
+  return true;
+}
+INTDEF (dwfl_frame_pc)