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authorMartin Sebor <msebor@redhat.com>2017-08-22 09:35:23 -0600
committerMartin Sebor <msebor@redhat.com>2017-08-22 09:35:23 -0600
commitee4e992ebe5f9712faedeefe8958b67d61eaa0f2 (patch)
treee9cef671641d8bed7842522ba6f05e6efb46a335 /include
parent20962acbea349b372311a727621c860006be3fab (diff)
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Declare ifunc resolver to return a pointer to the same type as the target
function to help GCC detect incompatibilities between the two when it's
enhanced to do so.
Diffstat (limited to 'include')
-rw-r--r--include/libc-symbols.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h
index fe3571af52..42fc41a1a5 100644
--- a/include/libc-symbols.h
+++ b/include/libc-symbols.h
@@ -803,7 +803,8 @@ for linking")
 
 /* Helper / base  macros for indirect function symbols.  */
 #define __ifunc_resolver(type_name, name, expr, arg, init, classifier)	\
-  classifier inhibit_stack_protector void *name##_ifunc (arg)					\
+  classifier inhibit_stack_protector					\
+  __typeof (type_name) *name##_ifunc (arg)				\
   {									\
     init ();								\
     __typeof (type_name) *res = expr;					\