x86/unwind: Add the ORC unwinder

[mirror_ubuntu-artful-kernel.git] / arch / x86 / kernel / unwind_guess.c

diff --git a/arch/x86/kernel/unwind_guess.c b/arch/x86/kernel/unwind_guess.c
index 039f36738e4905564c2b38dc7179488368a14da8..4f0e17b90463a653db8f49122fc355151b600465 100644 (file)
--- a/arch/x86/kernel/unwind_guess.c
+++ b/arch/x86/kernel/unwind_guess.c
@@ -19,6 +19,11 @@ unsigned long unwind_get_return_address(struct unwind_state *state)
 }
 EXPORT_SYMBOL_GPL(unwind_get_return_address);
 
+unsigned long *unwind_get_return_address_ptr(struct unwind_state *state)
+{
+       return NULL;
+}
+
 bool unwind_next_frame(struct unwind_state *state)
 {
        struct stack_info *info = &state->stack_info;