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authorH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:58:52 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:59:06 -0700
commit9e5ee8b839175b7f48d2e64e87d1e3da8fa6458f (patch)
treee5adc056c0bc22fa606eb500441912054e0d3b59 /misc
parent2ff16592d8a6b873467c9348f609738973217288 (diff)
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Hide internal __ioctl function [BZ #18822]
Hide internal __ioctl function to allow direct access within libc.so and libc.a without using GOT nor PLT. __GI___ioctl is defined when sysdeps/unix/syscalls.list is used to generate ioctl. Otherwise libc_hidden_def is needed explicitly. [BZ #18822] * include/sys/ioctl.h (__ioctl): Add libc_hidden_proto. * misc/ioctl.c (__ioctl): Add libc_hidden_def. * sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise. * sysdeps/unix/sysv/linux/aarch64/ioctl.S (__ioctl): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/ioctl.S (__ioctl): Likewise. * sysdeps/unix/sysv/linux/powerpc/ioctl.c (__ioctl): Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S (__ioctl): Likewise.
Diffstat (limited to 'misc')
-rw-r--r--misc/ioctl.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/misc/ioctl.c b/misc/ioctl.c
index 9b90102..7e1c8cc 100644
--- a/misc/ioctl.c
+++ b/misc/ioctl.c
@@ -28,4 +28,5 @@ __ioctl (int fd, unsigned long int request, ...)
}
stub_warning (ioctl)
+libc_hidden_def (__ioctl)
weak_alias (__ioctl, ioctl)