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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] allocate_once: Apply asm redirection before first use Date: Tue, 1 Nov 2022 13:09:05 +0000 (GMT) [thread overview] Message-ID: <20221101130905.45F533858012@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8161978f89c3454e1b70e08efd98923e6a317a56 commit 8161978f89c3454e1b70e08efd98923e6a317a56 Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Tue Oct 25 10:42:16 2022 -0300 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: --- include/allocate_once.h | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/include/allocate_once.h b/include/allocate_once.h index a487d641d5..d8cc08824c 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 */
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