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authorH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:53:52 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:54:10 -0700
commitd6daff12617290d4dfb499ed8425d33a48d844ba (patch)
tree8cc815db5ac1558ecd139ec7c9cece391865b48c /misc
parentb68f8620561d7658b475eb512978d3c33d8a4547 (diff)
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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 <sys/uio.h>. (__readv): Likewise. * sysdeps/unix/sysv/linux/writev.c: Include <sys/uio.h>. (__writev): Likewise.
Diffstat (limited to 'misc')
-rw-r--r--misc/readv.c1
-rw-r--r--misc/writev.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/misc/readv.c b/misc/readv.c
index 064f885..9ad94d3 100644
--- a/misc/readv.c
+++ b/misc/readv.c
@@ -30,6 +30,7 @@ __readv (int fd, const struct iovec *vector, int count)
__set_errno (ENOSYS);
return -1;
}
+libc_hidden_def (__readv)
weak_alias (__readv, readv)
stub_warning (readv)
diff --git a/misc/writev.c b/misc/writev.c
index c8d222e..8bd2edd 100644
--- a/misc/writev.c
+++ b/misc/writev.c
@@ -30,6 +30,7 @@ __writev (int fd, const struct iovec *vector, int count)
__set_errno (ENOSYS);
return -1;
}
+libc_hidden_def (__writev)
weak_alias (__writev, writev)
stub_warning (writev)