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Hide internal __tcgetattr function [BZ #18822]

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Hide internal __tcgetattr function to allow direct access within libc.so
and libc.a without using GOT nor PLT.

	[BZ #18822]
	* include/termios.h (__tcgetattr): Add libc_hidden_proto.
	* sysdeps/unix/bsd/tcgetattr.c (__tcgetattr): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/linux/tcgetattr.c (__tcgetattr): Likewise.
	* termios/tcgetattr.c (__tcgetattr): Likewise.
This commit is contained in:
H.J. Lu 2017-10-01 17:48:11 -07:00
parent dd3121df08
commit 87078544f2
5 changed files with 13 additions and 0 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
[BZ #18822]
* include/termios.h (__tcgetattr): Add libc_hidden_proto.
* sysdeps/unix/bsd/tcgetattr.c (__tcgetattr): Add
libc_hidden_def.
* sysdeps/unix/sysv/linux/tcgetattr.c (__tcgetattr): Likewise.
* termios/tcgetattr.c (__tcgetattr): Likewise.
2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
[BZ #18822]

1
include/termios.h
View File

@ -9,6 +9,7 @@ extern int __tcsetattr (int __fd, int __optional_actions,
extern int __libc_tcdrain (int __fd);
libc_hidden_proto (__tcgetattr)
libc_hidden_proto (tcsetattr)
libc_hidden_proto (cfsetispeed)
libc_hidden_proto (cfsetospeed)

1
sysdeps/unix/bsd/tcgetattr.c
View File

@ -35,4 +35,5 @@ __tcgetattr (int fd, struct termios *termios_p)
return __ioctl (fd, TIOCGETA, termios_p);
}
libc_hidden_def (__tcgetattr)
weak_alias (__tcgetattr, tcgetattr)

1
sysdeps/unix/sysv/linux/tcgetattr.c
View File

@ -76,4 +76,5 @@ __tcgetattr (int fd, struct termios *termios_p)
return retval;
}
libc_hidden_def (__tcgetattr)
weak_alias (__tcgetattr, tcgetattr)

1
termios/tcgetattr.c
View File

@ -39,4 +39,5 @@ __tcgetattr (int fd, struct termios *termios_p)
}
stub_warning (tcgetattr)
libc_hidden_def (__tcgetattr)
weak_alias (__tcgetattr, tcgetattr)