From b5648377d923d790dd7e995d79d480066b25e6bb Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sun, 1 Oct 2017 15:57:00 -0700 Subject: Hide internal sysinfo functions [BZ #18822] Hide internal sysinfo functions to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/sys/sysinfo.h (__get_nprocs_conf): Add libc_hidden_proto. (__get_nprocs): Likewise. (__get_phys_pages): Likewise. (__get_avphys_pages): Likewise. (__get_child_max): Add attribute_hidden. * misc/getsysstats.c (__get_nprocs_conf): Add libc_hidden_def. (__get_nprocs): Likewise. (__get_phys_pages): Likewise. (__get_avphys_pages): Likewise. * sysdeps/mach/getsysstats.c (__get_nprocs_conf): Add libc_hidden_def. (__get_nprocs): Likewise. (__get_phys_pages): Likewise. (__get_avphys_pages): Likewise. * sysdeps/unix/sysv/linux/getsysstats.c (__get_nprocs): Add libc_hidden_def. (__get_nprocs_conf): Likewise. (__get_phys_pages): Likewise. (__get_avphys_pages): Likewise. --- sysdeps/unix/sysv/linux/getsysstats.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'sysdeps/unix') diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c index d02c86d739..c245b3c662 100644 --- a/sysdeps/unix/sysv/linux/getsysstats.c +++ b/sysdeps/unix/sysv/linux/getsysstats.c @@ -226,6 +226,7 @@ __get_nprocs (void) return result; } +libc_hidden_def (__get_nprocs) weak_alias (__get_nprocs, get_nprocs) @@ -279,6 +280,7 @@ __get_nprocs_conf (void) return result; } +libc_hidden_def (__get_nprocs_conf) weak_alias (__get_nprocs_conf, get_nprocs_conf) @@ -320,6 +322,7 @@ __get_phys_pages (void) __sysinfo (&info); return sysinfo_mempages (info.totalram, info.mem_unit); } +libc_hidden_def (__get_phys_pages) weak_alias (__get_phys_pages, get_phys_pages) long int @@ -330,4 +333,5 @@ __get_avphys_pages (void) __sysinfo (&info); return sysinfo_mempages (info.freeram, info.mem_unit); } +libc_hidden_def (__get_avphys_pages) weak_alias (__get_avphys_pages, get_avphys_pages) -- cgit 1.4.1