From 3e6c30fb5accb8d92c959a87649767ff3dba5314 Mon Sep 17 00:00:00 2001
From: Yifan Lu
Date: Mon, 24 Oct 2016 20:37:46 -0700
Subject: Set outro pointer to use mirrored address

---
 lib/hook-functions.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/hook-functions.c b/lib/hook-functions.c
index 1c96d61..310b839 100644
--- a/lib/hook-functions.c
+++ b/lib/hook-functions.c
@@ -237,7 +237,8 @@ int substitute_hook_functions(const struct substitute_function_hook *hooks,
             hi->outro_trampoline++;
 #endif
         if (hook->old_ptr)
-            *(void **) hook->old_ptr = hi->outro_trampoline;
+            *(uintptr_t *) hook->old_ptr = trampoline_addr + 
+                      (uintptr_t)(hi->outro_trampoline - outro_trampoline_real);
 
         /* Generate the rewritten start of the function for the outro
          * trampoline (complaining if any bad instructions are found)
-- 
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