Message ID | 20170901180029.9527-59-hjl.tools@gmail.com |
---|---|
State | New |
Headers | show |
Series | Hide internal functions in libc.so | expand |
On 9/1/17, H.J. Lu <hjl.tools@gmail.com> wrote: > 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. Tested with build-many-glibcs.py. I am checking it in.
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 <shlib-compat.h> 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 <sysdep.h> 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 <sysdeps/posix/posix_fallocate64.c> #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)