gdb: Add switch to disable DWARF stack unwinders

[external/binutils.git] / gdb / dwarf2-frame.h

diff --git a/gdb/dwarf2-frame.h b/gdb/dwarf2-frame.h
index 471281a..52316e5 100644 (file)
--- a/gdb/dwarf2-frame.h
+++ b/gdb/dwarf2-frame.h
@@ -210,6 +210,12 @@ struct dwarf2_frame_state
   bool armcc_cfa_offsets_reversed = false;
 };
 
+/* When this is true the DWARF frame unwinders can be used if they are
+   registered with the gdbarch.  Not all architectures can or do use the
+   DWARF unwinders.  Setting this to true on a target that does not
+   otherwise support the DWARF unwinders has no effect.  */
+extern int dwarf2_frame_unwinders_enabled_p;
+
 /* Set the architecture-specific register state initialization
    function for GDBARCH to INIT_REG.  */