From 397286ea93ad30c24a5dad7928d0056c7b7d603d Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sun, 1 Oct 2017 18:05:52 -0700 Subject: [PATCH] Hide internal fadvise64/fallocate64 functions [BZ #18822] Hide internal fadvise64/fallocate64 functions to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * sysdeps/unix/sysv/linux/posix_fadvise64.c (__posix_fadvise64_l64): Add Add libc_hidden_proto and libc_hidden_def. * sysdeps/unix/sysv/linux/posix_fallocate64.c (__posix_fallocate64_l64): Likewise. --- ChangeLog | 9 +++++++++ sysdeps/unix/sysv/linux/posix_fadvise64.c | 2 ++ sysdeps/unix/sysv/linux/posix_fallocate64.c | 2 ++ 3 files changed, 13 insertions(+) diff --git a/ChangeLog b/ChangeLog index 567a258cc5..21374605c3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2017-10-01 H.J. Lu + + [BZ #18822] + * sysdeps/unix/sysv/linux/posix_fadvise64.c + (__posix_fadvise64_l64): Add Add libc_hidden_proto and + libc_hidden_def. + * sysdeps/unix/sysv/linux/posix_fallocate64.c + (__posix_fallocate64_l64): Likewise. + 2017-10-01 H.J. Lu [BZ #18822] diff --git a/sysdeps/unix/sysv/linux/posix_fadvise64.c b/sysdeps/unix/sysv/linux/posix_fadvise64.c index aaee60add7..6dee86c833 100644 --- a/sysdeps/unix/sysv/linux/posix_fadvise64.c +++ b/sysdeps/unix/sysv/linux/posix_fadvise64.c @@ -20,6 +20,7 @@ #include int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise); +libc_hidden_proto (__posix_fadvise64_l64) /* Both arm and powerpc implements fadvise64_64 with last 'advise' argument just after 'fd' to avoid the requirement of implementing 7-arg syscalls. @@ -83,3 +84,4 @@ weak_alias (__posix_fadvise64_l64, posix_fadvise64); weak_alias (__posix_fadvise64_l64, posix_fadvise64); strong_alias (__posix_fadvise64_l64, posix_fadvise); #endif +libc_hidden_def (__posix_fadvise64_l64) diff --git a/sysdeps/unix/sysv/linux/posix_fallocate64.c b/sysdeps/unix/sysv/linux/posix_fallocate64.c index eb05f7c5d0..76cf27a616 100644 --- a/sysdeps/unix/sysv/linux/posix_fallocate64.c +++ b/sysdeps/unix/sysv/linux/posix_fallocate64.c @@ -19,6 +19,7 @@ #include extern int __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len); +libc_hidden_proto (__posix_fallocate64_l64) #define __posix_fallocate64_l64 static internal_fallocate64 #include #undef __posix_fallocate64_l64 @@ -42,3 +43,4 @@ __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len) return INTERNAL_SYSCALL_ERRNO (res, err); return internal_fallocate64 (fd, offset, len); } +libc_hidden_def (__posix_fallocate64_l64)