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/mach/getsysstats.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'sysdeps/mach/getsysstats.c') diff --git a/sysdeps/mach/getsysstats.c b/sysdeps/mach/getsysstats.c index 0dacab0300..3aabd61382 100644 --- a/sysdeps/mach/getsysstats.c +++ b/sysdeps/mach/getsysstats.c @@ -39,6 +39,7 @@ __get_nprocs_conf (void) return hbi.max_cpus; } +libc_hidden_def (__get_nprocs_conf) weak_alias (__get_nprocs_conf, get_nprocs_conf) /* Return the number of processors currently available on the system. */ @@ -58,6 +59,7 @@ __get_nprocs (void) return hbi.avail_cpus; } +libc_hidden_def (__get_nprocs) weak_alias (__get_nprocs, get_nprocs) /* Return the number of physical pages on the system. */ @@ -77,6 +79,7 @@ __get_phys_pages (void) return hbi.memory_size / __vm_page_size; } +libc_hidden_def (__get_phys_pages) weak_alias (__get_phys_pages, get_phys_pages) /* Return the number of available physical pages */ @@ -102,4 +105,5 @@ __get_avphys_pages (void) return vs.free_count; } +libc_hidden_def (__get_avphys_pages) weak_alias (__get_avphys_pages, get_avphys_pages) -- cgit 1.4.1