From d6daff12617290d4dfb499ed8425d33a48d844ba Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sun, 1 Oct 2017 15:53:52 -0700 Subject: Hide __readv and __writev [BZ #18822] Hide internal __readv and __writev functions to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/sys/uio.h (__readv): Add libc_hidden_proto. (__writev): Likewise. * misc/readv.c (__readv): Add libc_hidden_def. * misc/writev.c (__writev): Likewise. * sysdeps/posix/readv.c (__readv): Likewise. * sysdeps/posix/writev.c (__writev): Likewise. * sysdeps/unix/sysv/linux/readv.c: Include . (__readv): Likewise. * sysdeps/unix/sysv/linux/writev.c: Include . (__writev): Likewise. --- sysdeps/unix/sysv/linux/writev.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'sysdeps/unix/sysv/linux/writev.c') diff --git a/sysdeps/unix/sysv/linux/writev.c b/sysdeps/unix/sysv/linux/writev.c index 1b56cbb709..2495fd938a 100644 --- a/sysdeps/unix/sysv/linux/writev.c +++ b/sysdeps/unix/sysv/linux/writev.c @@ -17,6 +17,7 @@ . */ #include +#include #include ssize_t @@ -24,4 +25,5 @@ __writev (int fd, const struct iovec *iov, int iovcnt) { return SYSCALL_CANCEL (writev, fd, iov, iovcnt); } +libc_hidden_def (__writev) weak_alias (__writev, writev) -- cgit v1.2.3-70-g09d2