From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue, 25 Oct 2022 13:42:16 +0000 (-0300)
Subject: allocate_once: Apply asm redirection before first use
X-Git-Tag: glibc-2.37~190
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8161978f89c3454e1b70e08efd98923e6a317a56;p=thirdparty%2Fglibc.git

allocate_once: Apply asm redirection before first use

Compilers may not be able to apply asm redirections to functions
after these functions are used for the first time, e.g. clang 15.

Reviewed-by: Fangrui Song <maskray@google.com>
---

diff --git a/include/allocate_once.h b/include/allocate_once.h
index a487d641d58..d8cc08824c2 100644
--- a/include/allocate_once.h
+++ b/include/allocate_once.h
@@ -27,6 +27,9 @@ void *__libc_allocate_once_slow (void **__place,
                                  void (*__deallocate) (void *__closure,
                                                        void *__ptr),
                                  void *__closure);
+#ifndef _ISOMAC
+libc_hidden_proto (__libc_allocate_once_slow)
+#endif
 
 /* Return an a pointer to an allocated and initialized data structure.
    If this function returns a non-NULL value, the caller can assume
@@ -88,8 +91,4 @@ allocate_once (void **__place, void *(*__allocate) (void *__closure),
                                       __closure);
 }
 
-#ifndef _ISOMAC
-libc_hidden_proto (__libc_allocate_once_slow)
-#endif
-
 #endif /* _ALLOCATE_ONCE_H */