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[Bug libc/18822] Internal functions are called via PLT


https://sourceware.org/bugzilla/show_bug.cgi?id=18822

--- Comment #63 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".

The branch, hjl/pr18822 has been created
        at  9fca6171966418dcd1decd084df68e2cfa839808 (commit)

- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9fca6171966418dcd1decd084df68e2cfa839808

commit 9fca6171966418dcd1decd084df68e2cfa839808
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 31 05:56:32 2017 -0700

    Hide internal fadvise64/fallocate64 functions [BZ #18822]

    Hide internal fadvise64/fallocate64 functions to allow direct access
    within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * sysdeps/unix/sysv/linux/posix_fadvise64.c
        (__posix_fadvise64_l64): Add Add libc_hidden_proto and
        libc_hidden_def.
        * sysdeps/unix/sysv/linux/posix_fallocate64.c
        (__posix_fallocate64_l64): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d7d2510c79cd0b0686508586b63abaedecbb5390

commit d7d2510c79cd0b0686508586b63abaedecbb5390
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 31 05:45:40 2017 -0700

    Hide internal __sched_setaffinity_new function [BZ #18822]

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

        [BZ #18822]
        * sysdeps/unix/sysv/linux/sched_setaffinity.c
        (__sched_setaffinity_new): Add libc_hidden_proto and
        libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7b90ccc122d86a269152423dea1d04337a32bb61

commit 7b90ccc122d86a269152423dea1d04337a32bb61
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 31 05:38:44 2017 -0700

    Hide internal __glob64 function [BZ #18822]

    Hide internal __glob64 function to allow direct access within libc.so
    and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/glob.h (__glob64): Add libc_hidden_proto.
        * sysdeps/unix/sysv/linux/i386/glob64.c (__glob64): Add
        libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=73cf07a1cdcbfd82af0c64d540c79ff706a25b13

commit 73cf07a1cdcbfd82af0c64d540c79ff706a25b13
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 31 05:09:53 2017 -0700

    Hide internal __new_getrlimit function [BZ #18822]

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

        [BZ #18822]
        * sysdeps/unix/sysv/linux/getrlimit64.c (__new_getrlimit): Add
        attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2c7c8ab318496287853d45ee1602fa741398f1be

commit 2c7c8ab318496287853d45ee1602fa741398f1be
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 31 05:03:51 2017 -0700

    Hide internal __new_exitfn function [BZ #18822]

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

        [BZ #18822]
        * stdlib/exit.h (__new_exitfn): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=11a16bb696ac1d0a29ccee5bd9b0f4b2c3c18d09

commit 11a16bb696ac1d0a29ccee5bd9b0f4b2c3c18d09
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 31 04:58:36 2017 -0700

    Hide internal __moncontrol function [BZ #18822]

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

        [BZ #18822]
        * mon/gmon.c (__moncontrol): Add libc_hidden_proto and
        libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8103d15f7a974b8e83a79f53da4b3669c5b71042

commit 8103d15f7a974b8e83a79f53da4b3669c5b71042
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 08:41:32 2017 -0700

    Hide internal __libc_print_version function [BZ #18822]

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

        [BZ #18822]
        * csu/version.c (__libc_print_version): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1b40fa9e02f17fb293f9fe52cfdc080a9643cf0c

commit 1b40fa9e02f17fb293f9fe52cfdc080a9643cf0c
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 08:40:40 2017 -0700

    Hide internal __init_misc function [BZ #18822]

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

        [BZ #18822]
        * include/libc-internal.h (__init_misc): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=327c0711539a68121bd6da428223f137af7dc82e

commit 327c0711539a68121bd6da428223f137af7dc82e
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 08:39:40 2017 -0700

    Hide internal __setfpucw function [BZ #18822]

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

        [BZ #18822]
        * include/fpu_control.h (__setfpucw): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1a9e09ef1d838425384ab50fabc0ccd6685e92d8

commit 1a9e09ef1d838425384ab50fabc0ccd6685e92d8
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 08:38:13 2017 -0700

    Hide internal __nis_hash function [BZ #18822]

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

        [BZ #18822]
        * nscd/nscd_helper.c (__nis_hash): New prototype.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=46aad0b8fce2fc827e8bf5d6a4d2ef74e21a28d9

commit 46aad0b8fce2fc827e8bf5d6a4d2ef74e21a28d9
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 08:35:33 2017 -0700

    Hide internal __tcgetattr function [BZ #18822]

    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.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6376e8e949f7d90c7eb58927923e6769bb593663

commit 6376e8e949f7d90c7eb58927923e6769bb593663
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 06:42:46 2017 -0700

    Hide internal __setrlimit function [BZ #18822]

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

        [BZ #18822]
        * include/sys/resource.h (__setrlimit): Add libc_hidden_proto.
        * resource/setrlimit.c (__setrlimit): Add libc_hidden_def.
        * sysdeps/mach/hurd/setrlimit.c (__setrlimit): Likewise.
        * sysdeps/unix/sysv/linux/setrlimit.c (__setrlimit): Likewise.
        * sysdeps/unix/sysv/linux/setrlimit64.c (__GI___setrlimit): New.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b406fd57dcba19fe4d2e55a1a6bc0814b6d80688

commit b406fd57dcba19fe4d2e55a1a6bc0814b6d80688
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 06:41:49 2017 -0700

    Hide internal __vstrfmon_l function [BZ #18822]

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

        [BZ #18822]
        * include/monetary.h (__vstrfmon_l): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e6b8b0275bfefc385447631fe5d7cc86a5551069

commit e6b8b0275bfefc385447631fe5d7cc86a5551069
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 06:25:16 2017 -0700

    Hide internal __sched_setparam function [BZ #18822]

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

    __GI___sched_setparam is defined when sysdeps/unix/syscalls.list is
    used to generate sched_setparam.  Otherwise libc_hidden_def is needed
    explicitly.

        [BZ #18822]
        * include/sched.h (__sched_setparam): Add libc_hidden_proto.
        * posix/sched_setp.c (__sched_setparam): Add libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d95964322b6c1666f66d12ff243f7a87b7b6071c

commit d95964322b6c1666f66d12ff243f7a87b7b6071c
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 05:51:51 2017 -0700

    Hide internal __hash_string function [BZ #18822]

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

        [BZ #18822]
        * intl/hash-string.h (__hash_string): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0bac6da5522d192e58da6740c0cb9e32ece4c453

commit 0bac6da5522d192e58da6740c0cb9e32ece4c453
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 05:50:09 2017 -0700

    Hide internal __hasmntopt function [BZ #18822]

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

        [BZ #18822]
        * include/mntent.h (__hasmntopt): Add libc_hidden_proto.
        * misc/mntent_r.c (__hasmntopt): Add libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=356a7150cbeac4a8f518d1c62a80e30469e19005

commit 356a7150cbeac4a8f518d1c62a80e30469e19005
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 05:43:49 2017 -0700

    Hide internal __ifreq function [BZ #18822]

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

        [BZ #18822]
        * include/ifreq.h: New file.
        * sysdeps/generic/ifreq.h (__if_nextreq): Removed.
        (__ifreq): Likewise.
        * sysdeps/mach/hurd/ifreq.h (__if_nextreq): Removed.
        (__ifreq): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=06bf4aca759546c2bc627c95451ed6eecca5db24

commit 06bf4aca759546c2bc627c95451ed6eecca5db24
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 22 04:50:04 2017 -0700

    Hide internal idna functions [BZ #18822]

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

        [BZ #18822]
        * include/idna.h: New file.
        * inet/getnameinfo.c: Include <idna.h> instead of
        <libidn/idna.h>.
        (__idna_to_unicode_lzlz): Removed.
        * sysdeps/posix/getaddrinfo.c: Include <idna.h> instead of
        <libidn/idna.h>.
        (__idna_to_ascii_lz): Removed.
        (__idna_to_unicode_lzlz): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e0d543ba818543a614020d0b8f8184236f7bf7be

commit e0d543ba818543a614020d0b8f8184236f7bf7be
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 10:39:50 2017 -0700

    Hide internal __gettextparse function [BZ #18822]

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

        [BZ #18822]
        * include/plural-exp.h: New file.
        * intl/plural-exp.c: Include <plural-exp.h> instead of
        "plural-exp.h".

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ed01aba04961651e352e934274ac8294ff8a922

commit 1ed01aba04961651e352e934274ac8294ff8a922
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 10:20:45 2017 -0700

    Hide internal __get_sol function [BZ #18822]

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

        [BZ #18822]
        * sysdeps/unix/sysv/linux/getsourcefilter.c: Include
        "getsourcefilter.h".
        * sysdeps/unix/sysv/linux/getsourcefilter.h: New file.
        * sysdeps/unix/sysv/linux/setsourcefilter.c: Include
        "getsourcefilter.h".
        (__get_sol): Removed.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e886c5ee285fd86fafe495776960de78cfe0bdb5

commit e886c5ee285fd86fafe495776960de78cfe0bdb5
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 10:11:21 2017 -0700

    Move hidden_proto (__dl_iterate_phdr) to include/link.h [BZ #18822]

        [BZ #18822]
        * elf/dl-iteratephdr.c (hidden_proto (__dl_iterate_phdr)): Moved
        to ...
        * include/link.h (hidden_proto (__dl_iterate_phdr)): Here.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=32a86fd87100686ac5bbe4f53345b2bf3d5dfe48

commit 32a86fd87100686ac5bbe4f53345b2bf3d5dfe48
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 10:07:55 2017 -0700

    Hide internal __bsd_getpt function [BZ #18822]

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

        [BZ #18822]
        * sysdeps/unix/sysv/linux/getpt.c (__bsd_getpt): Add
        attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=01a1772e8562f32f77c5d1007d40a0223ed47ddf

commit 01a1772e8562f32f77c5d1007d40a0223ed47ddf
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 09:20:06 2017 -0700

    Hide internal __fopen_maybe_mmap function [BZ #18822]

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

        [BZ #18822]
        * libio/iolibio.h (__fopen_maybe_mmap): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=55b87d6ad02ca3050b390b3fc63a890a02174090

commit 55b87d6ad02ca3050b390b3fc63a890a02174090
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 09:18:36 2017 -0700

    Hide internal __tdestroy function [BZ #18822]

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

        [BZ #18822]
        * include/search.h (__tdestroy): Add libc_hidden_proto.
        * misc/tsearch.c (__tdestroy): Add libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d37bb3c36ce571999af94eb87f78b54168b6f853

commit d37bb3c36ce571999af94eb87f78b54168b6f853
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 09:17:07 2017 -0700

    Hide internal __assert_fail_base function [BZ #18822]

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

        [BZ #18822]
        * include/assert.h (__assert_fail_base): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=015a55e62230c600eb247add1e200964b0eaa8c4

commit 015a55e62230c600eb247add1e200964b0eaa8c4
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 09:15:33 2017 -0700

    Hide internal __sysinfo function [BZ #18822]

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

        [BZ #18822]
        * sysdeps/unix/sysv/linux/include/sys/sysinfo.h (__sysinfo): Add
        attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1f3b8aa5b36ea85ae348a280aa0e1cac33e7db1f

commit 1f3b8aa5b36ea85ae348a280aa0e1cac33e7db1f
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 08:17:57 2017 -0700

    Hide internal signal functions [BZ #18822]

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

    __GI___kill and __GI___sigaltstack are defined when syscalls.list is
    used to generate them.  Otherwise libc_hidden_def is needed explicitly.

        [BZ #18822]
        * include/signal.h (__kill): Add libc_hidden_proto.
        (__sigblock): Likewise.
        (__sigprocmask): Likewise.
        (__sigaltstack): Likewise.
        * signal/kill.c (__kill): Add libc_hidden_def.
        * signal/sigblock.c (__sigblock): Likewise.
        * signal/sigprocmask.c (__sigprocmask): Likewise.
        * sysdeps/mach/hurd/kill.c (__kill): Likewise.
        * sysdeps/mach/hurd/sigaltstack.c (__sigaltstack): Likewise.
        * sysdeps/mach/hurd/sigprocmask.c (__sigprocmask): Likewise.
        * sysdeps/posix/sigblock.c (__sigblock): Likewise.
        * sysdeps/unix/sysv/linux/alpha/sigprocmask.c (__sigprocmask):
        Likewise.
        * sysdeps/unix/sysv/linux/ia64/sigprocmask.c (__sigprocmask):
        Likewise.
        * sysdeps/unix/sysv/linux/s390/s390-64/sigprocmask.c
        (__sigprocmask): Likewise.
        * sysdeps/unix/sysv/linux/sigprocmask.c (__sigprocmask):
        Likewise.
        * /sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c
        (__sigprocmask): Likewise.
        * sysdeps/unix/sysv/linux/x86_64/sigprocmask.c (__sigprocmask):
        Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f9cd21ff5e5052abd635e070c26ccb8e330ba7ef

commit f9cd21ff5e5052abd635e070c26ccb8e330ba7ef
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 08:07:16 2017 -0700

    Hide internal __strsep function [BZ #18822]

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

        [BZ #18822]
        * include/string.h (__strsep): Add libc_hidden_proto.
        * string/strsep.c (__strsep): Add libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d89285aa84141a329527686b5162d9fe3402b21

commit 2d89285aa84141a329527686b5162d9fe3402b21
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 06:24:41 2017 -0700

    Hide __posix_spawn_file_actions_realloc/__spawni [BZ #18822]

    Hide internal __posix_spawn_file_actions_realloc and /__spawni functions
    to allow direct access within libc.so and libc.a without using GOT nor
    PLT.

        [BZ #18822]
        * posix/spawn_int.h (__posix_spawn_file_actions_realloc): Add
        attribute_hidden.
        (__spawni): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=24527a4d658f0621dc312b774201452f42fa056f

commit 24527a4d658f0621dc312b774201452f42fa056f
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 06:10:22 2017 -0700

    Hide internal __mremap function [BZ #18822]

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

    __GI___mremap is defined when sysdeps/unix/syscalls.list is used to
    generate mremap.  Otherwise libc_hidden_def is needed explicitly.

        [BZ #18822]
        * include/sys/mman.h (__mremap): Add libc_hidden_proto.
        * sysdeps/unix/sysv/linux/m68k/mremap.S (__mremap): Add
        libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b88a7b5d1bc7d8861b2ebe45c841889c58a33a0d

commit b88a7b5d1bc7d8861b2ebe45c841889c58a33a0d
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 21 06:07:11 2017 -0700

    Hide internal __malloc_check_init function [BZ #18822]

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

        * include/malloc.h (__malloc_check_init): Add attribute_hidden.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=045a1d1e35d5c800a641d175a8796215ec2f5b80

commit 045a1d1e35d5c800a641d175a8796215ec2f5b80
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Aug 20 11:53:06 2017 -0700

    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.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7cb4147f9047b9ae651c35afbba9eb9e140d563b

commit 7cb4147f9047b9ae651c35afbba9eb9e140d563b
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Aug 20 11:40:26 2017 -0700

    Mark internal intl functions with attribute_hidden [BZ #18822]

    Mark internal intl functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * intl/gettextP.h (__dcngettext): Add attribute_hidden.
        (__dcigettext): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37e1f4e59ac277efa88786abbd2621a1c275896e

commit 37e1f4e59ac277efa88786abbd2621a1c275896e
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Aug 20 11:25:56 2017 -0700

    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.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=aeb180390c441ecff9997453e2d4fb0bf002e2c5

commit aeb180390c441ecff9997453e2d4fb0bf002e2c5
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Aug 20 10:38:46 2017 -0700

    Mark internal netlink functions with attribute_hidden [BZ #18822]

    Mark internal netlink functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * sysdeps/unix/sysv/linux/netlinkaccess.h (__netlink_open): Add
        attribute_hidden.
        (__netlink_close): Likewise.
        (__netlink_free_handle): Likewise.
        (__netlink_request): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=068864f3c469063dab18d11ab4662f5b19c365cb

commit 068864f3c469063dab18d11ab4662f5b19c365cb
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Aug 20 10:22:10 2017 -0700

    Mark internal rpc functions with attribute_hidden [BZ #18822]

    Mark internal rpc functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/rpc/rpc.h (__rpc_thread_variables): Add
        attribute_hidden.
        (__rpc_thread_svc_cleanup): Likewise.
        (__rpc_thread_clnt_cleanup): Likewise.
        (__rpc_thread_key_cleanup): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6acce433cb6c3b8abc36dc80b88b76120bfed06

commit d6acce433cb6c3b8abc36dc80b88b76120bfed06
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Aug 20 08:05:25 2017 -0700

    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.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=cbc3361096bf9469c58bef565aedd06099e93fc5

commit cbc3361096bf9469c58bef565aedd06099e93fc5
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Aug 20 07:28:23 2017 -0700

    Hide internal regex functions [BZ #18822]

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

        [BZ #18822]
        * include/regex.h (__re_compile_fastmap): Add attribute_hidden.
        (__regcomp): Add libc_hidden_proto.
        (__regexec): Likewise.
        (__regfree): Likewise.
        * posix/regcomp.c (__regcomp): Add libc_hidden_def.
        (__regfree): Likewise.
        * posix/regexec.c (__regexec): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=919ac87645f7127f875a8ffce47cc26478308af9

commit 919ac87645f7127f875a8ffce47cc26478308af9
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Aug 19 16:47:56 2017 -0700

    Mark internal stdlib functions with attribute_hidden [BZ #18822]

    Mark internal stdlib functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.  __realpath
    is hidden with libc_hidden_proto and libc_hidden_def since the exported
    realpath is an alias of __realpath.

        [BZ #18822]
        * include/stdlib.h (__random): Add attribute_hidden.
        (__random_r): Likewise.
        (__srandom_r): Likewise.
        (__initstate_r): Likewise.
        (__setstate_r): Likewise.
        (__erand48_r): Likewise.
        (__nrand48_r): Likewise.
        (__jrand48_r): Likewise.
        (__srand48_r): Likewise.
        (__seed48_r): Likewise.
        (__lcong48_r): Likewise.
        (__drand48_iterate): Likewise.
        (__setenv): Likewise.
        (__unsetenv): Likewise.
        (__clearenv): Likewise.
        (__ptsname_r): Likewise.
        (__posix_openpt): Likewise.
        (__add_to_environ): Likewise.
        (__realpath): Add libc_hidden_proto.
        (__ecvt_r): Likewise.
        (__fcvt_r): Likewise.
        (__qecvt_r): Likewise.
        (__qfcvt_r): Likewise.
        * misc/efgcvt_r.c (cvt_symbol_1): Add libc_hidden_def (local).
        * stdlib/canonicalize.c (__realpath): Add libc_hidden_def.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2994888000a3b7a3a6cc2177d6e91e7c63394396

commit 2994888000a3b7a3a6cc2177d6e91e7c63394396
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Aug 19 16:29:20 2017 -0700

    Mark internal utmp functions with attribute_hidden [BZ #18822]

    Mark internal utmp functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/utmp.h (__updwtmp): Add libc_hidden_proto.
        (__getutent): Likewise.
        (__getutid): Likewise.
        (__getutline): Likewise.
        (__pututline): Likewise.
        (__getutent_r): Likewise.
        (__getutid_r): Likewise.
        (__getutline_r): Likewise.
        (__utmpname): Add attribute_hidden.
        (__setutent): Likewise.
        (__endutent): Likewise.
        * login/getutent.c (__getutent): Add libc_hidden_def.
        * login/getutent_r.c (__getutent_r): Likewise.
        (__pututline): Likewise.
        * login/getutid.c (__getutid): Likewise.
        * login/getutid_r.c (__getutid_r): Likewise.
        * login/getutline.c (__getutline): Likewise.
        * login/getutline_r.c (__getutline_r): Likewise.
        * login/updwtmp.c (__updwtmp): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c467866cce2ddfbc16f6487423477be1dee54e19

commit c467866cce2ddfbc16f6487423477be1dee54e19
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Aug 19 16:23:58 2017 -0700

    Mark internal dirent functions with attribute_hidden [BZ #18822]

    Mark internal dirent functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.  __readdir64
    is hidden with libc_hidden_proto and libc_hidden_def since the exported
    readdir64 is an alias of __readdir64.

        [BZ #18822]
        * include/dirent.h (__opendir): Always add attribute_hidden.
        (__fdopendir): Likewise.
        (__closedir): Likewise.
        (__readdir): Likewise.
        (__readdir64): Add libc_hidden_proto.
        * sysdeps/mach/hurd/readdir64.c (__readdir64): Add libc_hidden_def.
        * sysdeps/unix/sysv/linux/i386/readdir64.c (__readdir64): Likewise.
        * sysdeps/unix/sysv/linux/readdir64.c (__readdir64): Likewise.
        * sysdeps/unix/sysv/linux/wordsize-64/readdir.c (__GI___readdir64):
        New alias.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0f16b5fd0c9fd9ff3d3f2925aef93e72ab9f4f56

commit 0f16b5fd0c9fd9ff3d3f2925aef93e72ab9f4f56
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Aug 19 15:49:08 2017 -0700

    Mark internal getXXXbyYYY functions with attribute_hidden [BZ #18822]

    Mark internal getXXXbyYYY functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/aliases.h (__getaliasbyname_r): Add attribute_hidden.
        * include/netdb.h (__gethostbyaddr_r): Likewise.
        (__gethostbyname_r): Likewise.
        (__gethostbyname2_r): Likewise.
        (__getnetbyaddr_r): Likewise.
        (__getnetbyname_r): Likewise.
        (__getservbyname_r): Likewise.
        (__getservbyport_r): Likewise.
        (__getprotobyname_r): Likewise.
        (__getprotobynumber_r): Likewise.
        (__getnetgrent_r): Likewise.
        * include/rpc/netdb.h (__getrpcbyname_r): Likewise.
        (__getrpcbynumber_r): Likewise.
        * nss/getXXbyYY.c (INTERNAL (REENTRANT_NAME)): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bb76d0fec09707f55c4d889b90c57f07725769b3

commit bb76d0fec09707f55c4d889b90c57f07725769b3
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Aug 19 15:45:30 2017 -0700

    Mark internal stdio functions with attribute_hidden [BZ #18822]

    Mark internal stdio functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/stdio.h (__fcloseall): Add attribute_hidden.
        (__getline): Likewise.
        (__path_search): Likewise.
        (__gen_tempname): Likewise.
        (__libc_message): Likewise.
        (__flockfile): Likewise.
        (__funlockfile): Likewise.
        (__fxprintf): Likewise.
        (__fxprintf_nocancel): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=522034d38293585e9948002f0a1452d19aadb70c

commit 522034d38293585e9948002f0a1452d19aadb70c
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Aug 19 15:44:27 2017 -0700

    Mark internal gshadow functions with attribute_hidden [BZ #18822]

    Mark internal gshadow functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/gshadow.h (__fgetsgent_r): Add attribute_hidden.
        (__sgetsgent_r): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7ed005b03faf4687b87b56ae7db58550002ca18c

commit 7ed005b03faf4687b87b56ae7db58550002ca18c
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Aug 19 15:37:42 2017 -0700

    Mark internal statfs functions with attribute_hidden [BZ #18822]

    Mark internal statfs functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/sys/statfs.h (__fstatfs): Add attribute_hidden.
        (__statfs64): Likewise.
        (__fstatfs64): Likewise.
        * include/sys/statvfs.h (__statvfs64): Likewise.
        (__fstatvfs64): Likewise.
        * sysdeps/unix/sysv/linux/pathconf.h (__statfs_link_max): Likewise.
        (__statfs_filesize_max): Likewise.
        (__statfs_symlinks): Likewise.
        (__statfs_chown_restricted): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3eb5a865b06143fe26b4dac533a2a8ede036eadd

commit 3eb5a865b06143fe26b4dac533a2a8ede036eadd
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Aug 18 17:30:29 2017 -0700

    Mark internal time functions with attribute_hidden [BZ #18822]

    Mark internal time functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/time.h (__tzstring): Add attribute_hidden.
        (__tzfile_read): Likewise.
        (__tzfile_compute): Likewise.
        (__tzfile_default): Likewise.
        (__tzset_parse_tz): Likewise.
        (__offtime): Likewise.
        (__asctime_r): Likewise.
        (__tzset): Likewise.
        (__tz_convert): Likewise.
        (__getdate_r): Likewise.
        (__getclktck): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b1dfd2a09eaf9c8ae8a74638544c6177e5a74486

commit b1dfd2a09eaf9c8ae8a74638544c6177e5a74486
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Aug 18 17:16:26 2017 -0700

    Mark internal nscd functions with attribute_hidden [BZ #18822]

    Mark internal nscd functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * nscd/nscd-client.h (__nscd_get_map_ref): Add attribute_hidden.
        (__nscd_unmap): Likewise.
        (__nscd_cache_search): Likewise.
        (__nscd_get_nl_timestamp): Likewise.
        (__nscd_getpwnam_r): Likewise.
        (__nscd_getpwuid_r): Likewise.
        (__nscd_getgrnam_r): Likewise.
        (__nscd_getgrgid_r): Likewise.
        (__nscd_gethostbyname_r): Likewise.
        (__nscd_gethostbyname2_r): Likewise.
        (__nscd_gethostbyaddr_r): Likewise.
        (__nscd_getai): Likewise.
        (__nscd_getgrouplist): Likewise.
        (__nscd_getservbyname_r): Likewise.
        (__nscd_getservbyport_r): Likewise.
        (__nscd_innetgr): Likewise.
        (__nscd_setnetgrent): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c028333c114b90b54977a45dc76ff20b1f6a71b2

commit c028333c114b90b54977a45dc76ff20b1f6a71b2
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Aug 18 17:04:20 2017 -0700

    Mark internal gmp functions with attribute_hidden [BZ #18822]

    Mark internal gmp functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/gmp.h: Declare internal functions only if _ISOMAC is
        undefined.
        (__mpn_extract_double): Add attribute_hidden.
        (__mpn_extract_long_double): Likewise.
        (__mpn_extract_float128): Likewise.
        (__mpn_construct_float): Likewise.
        (__mpn_construct_double): Likewise.
        (__mpn_construct_long_double): Likewise.
        (__mpn_construct_float128): Likewise.
        (mpn_add_1): Likewise.
        (mpn_addmul_1): Likewise.
        (mpn_add_n): Likewise.
        (mpn_cmp): Likewise.
        (mpn_divrem): Likewise.
        (mpn_lshift): Likewise.
        (mpn_mul): Likewise.
        (mpn_mul_1): Likewise.
        (mpn_rshift): Likewise.
        (mpn_sub_1): Likewise.
        (mpn_submul_1): Likewise.
        (mpn_sub_n): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2cbbc7239cedd87bce2ce3df4c2f61319dac76d9

commit 2cbbc7239cedd87bce2ce3df4c2f61319dac76d9
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Aug 18 13:24:43 2017 -0700

    Mark internal wchar functions with attribute_hidden [BZ #18822]

    Mark internal wchar functions with attribute_hidden to allow direct
    access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/wchar.h (__wcsnlen): Add attribute_hidden.
        (__wcscat): Likewise.
        (__btowc): Likewise.
        (__wcrtomb): Likewise.
        (__mbsrtowcs): Likewise.
        (__wcsrtombs): Likewise.
        (__mbsnrtowcs): Likewise.
        (__wcsnrtombs): Likewise.
        (__wcsncpy): Likewise.
        (__wcpncpy): Likewise.
        (__wmemcpy): Likewise.
        (__wmempcpy): Likewise.
        (__wmemmove): Likewise.
        (__wcschrnul): Likewise.
        (__vfwscanf): Likewise.
        (__vswprintf): Likewise.
        (__fwprintf): Likewise.
        (__vfwprintf): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5fe846c5f6f2fac2ca94065573e52f541f6d53a9

commit 5fe846c5f6f2fac2ca94065573e52f541f6d53a9
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Aug 18 09:52:52 2017 -0700

    Mark __dso_handle as hidden [BZ #18822]

    Since __dso_handle is always defined by either crtbegin.o from GCC or
    dso_handle.c, it should be marked as hidden and be passed directly.

        [BZ #18822]
        * dlfcn/modatexit.c (foo): Remove __dso_handle check.
        * dlfcn/modcxaatexit.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        * dlfcn/tstatexit.c (__dso_handle): Removed.
        (main): Don't check __dso_handle.
        * dlfcn/tstcxaatexit.c (__dso_handle): Removed.
        (main): Don't check __dso_handle.
        * include/dso_handle.h: New file.
        * malloc/mtrace.c: Include <dso_handle.h>.
        (mtrace): Pass __dso_handle directly.
        * nptl/pthread_atfork.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        (__pthread_atfork): Pass __dso_handle directly.
        * nptl/tst-atfork2mod.c: Include <dso_handle.h>.
        (__dso_handle): Removed.
        * posix/wordexp-test.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        (__app_register_atfork): Pass __dso_handle directly.
        * stdlib/at_quick_exit.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        (at_quick_exit): Pass __dso_handle directly.
        * stdlib/atexit.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        (atexit): Pass __dso_handle directly.
        * stdlib/tst-tls-atexit-lib.c: Include <dso_handle.h>.
        (__dso_handle): Removed.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e856b495737b9387a37ba068b943b609fda08c7e

commit e856b495737b9387a37ba068b943b609fda08c7e
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Aug 18 09:00:24 2017 -0700

    Mark internal grp/pwd/shadow functions with attribute_hidden [BZ #18822]

    Mark internal grp/pwd/shadow functions with attribute_hidden to allow
    direct access within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/grp.h (__fgetgrent_r): Add attribute_hidden.
        (__getgrgid_r): Likewise.
        (__getgrnam_r): Likewise.
        * include/pwd.h (__getpwuid_r): Likewise.
        (__getpwnam_r): Likewise.
        (__fgetpwent_r): Likewise.
        * include/shadow.h (__getspnam_r): Likewise.
        (__sgetspent_r): Likewise.
        (__fgetspent_r): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4f784783c8453ba64f260e8cc5472e2b5b50e17c

commit 4f784783c8453ba64f260e8cc5472e2b5b50e17c
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Aug 18 05:43:12 2017 -0700

    Mark internal unistd functions with attribute_hidden [BZ #18822]

    Mark internal unistd functions with attribute_hidden to allow direct
    access to them within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/unistd.h (__access): Add attribute_hidden.
        (__lseek64): Likewise.
        (__libc_pread64): Likewise.
        (__pipe2): Likewise.
        (__sleep): Likewise.
        (__chdir): Likewise.
        (__fchdir): Likewise.
        (__getcwd): Likewise.
        (__rmdir): Likewise.
        (__execvpe): Likewise.
        (__execve): Likewise.
        (__setsid): Likewise.
        (__getuid): Likewise.
        (__geteuid): Likewise.
        (__getgid): Likewise.
        (__getegid): Likewise.
        (__getgroups): Likewise.
        (__group_member): Likewise.
        (__ttyname_r): Likewise.
        (__isatty): Likewise.
        (__readlink): Likewise.
        (__unlink): Likewise.
        (__gethostname): Likewise.
        (__profil): Likewise.
        (__getdtablesize): Likewise.
        (__brk): Likewise.
        (__ftruncate): Likewise.
        (__ftruncate64): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8f51a23f9d3ee8d0918ec08455030cc1febd498

commit d8f51a23f9d3ee8d0918ec08455030cc1febd498
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 17 13:17:12 2017 -0700

    Mark internal argp functions with attribute_hidden [BZ #18822]

    Mark internal argp functions with attribute_hidden to allow direct
    access to them within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * argp/argp-fmtstream.c: Include <argp-fmtstream.h>.
        * argp/argp-fs-xinl.c: Likewise.
        * argp/argp-help.c: Include <argp.h> and <argp-fmtstream.h>.
        * argp/argp-parse.c: Include <argp.h>.
        * argp/argp-xinl.c: Likewise.
        * include/argp-fmtstream.h: New file.
        * include/argp.h (__argp_error): Add attribute_hidden.
        (__argp_failure): Likewise.
        (__argp_input): Likewise.
        (__argp_state_help): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19b3c558db8eff116b7178c5c609bc9f885736c7

commit 19b3c558db8eff116b7178c5c609bc9f885736c7
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 17 12:48:28 2017 -0700

    Mark ____wcsto*_l_internal functions with attribute_hidden [BZ #18822]

    Mark ____wcsto*_l_internal functions with attribute_hidden to allow
    direct access to them within libc.so and libc.a without using GOT nor
    PLT.

        [BZ #18822]
        * include/wchar.h (____wcstof_l_internal): New prototype.
        (____wcstod_l_internal): Likewise.
        (____wcstold_l_internal): Likewise.
        (____wcstol_l_internal): Likewise.
        (____wcstoul_l_internal): Likewise.
        (____wcstoll_l_internal): Likewise.
        (____wcstoull_l_internal): Likewise.
        (____wcstof128_l_internal): Likewise.
        * sysdeps/ieee754/float128/wcstof128.c
        (____wcstof128_l_internal): Removed.
        * sysdeps/ieee754/float128/wcstof128_l.c
        (____wcstof128_l_internal): Likewise.
        * wcsmbs/wcstod.c (____wcstod_l_internal): Likewise.
        * wcsmbs/wcstod_l.c (____wcstod_l_internal): Likewise.
        * wcsmbs/wcstof.c (____wcstof_l_internal): Likewise.
        * wcsmbs/wcstof_l.c (____wcstof_l_internal): Likewise.
        * wcsmbs/wcstol_l.c (____wcstol_l_internal): Likewise.
        * wcsmbs/wcstold.c (____wcstold_l_internal): Likewise.
        * wcsmbs/wcstold_l.c (____wcstold_l_internal): Likewise.
        * wcsmbs/wcstoll_l.c (____wcstoll_l_internal): Likewise.
        * wcsmbs/wcstoul_l.c (____wcstoul_l_internal): Likewise.
        * wcsmbs/wcstoull_l.c (____wcstoull_l_internal): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=045fa9664af305d15c37174af12d88adc9c95637

commit 045fa9664af305d15c37174af12d88adc9c95637
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 17 12:35:02 2017 -0700

    Mark __internal_statvfs[64] with attribute_hidden [BZ #18822]

    Mark __internal_statvfs[64] with attribute_hidden to allow direct access
    to them within libc.so and libc.a without using GOT nor PLT.

        [BZ #18822]
        * sysdeps/unix/sysv/linux/fstatvfs.c: Include "internal_statvfs.h"
        instead of <sys/statvfs.h>.
        (__internal_statvfs): Removed.
        * sysdeps/unix/sysv/linux/fstatvfs64.c Include "internal_statvfs.h"
        instead of <sys/statvfs.h>.
        (__internal_statvfs64): Removed.
        * sysdeps/unix/sysv/linux/internal_statvfs.c: Include
        "internal_statvfs.h" instead of <sys/statvfs.h>.
        * sysdeps/unix/sysv/linux/internal_statvfs.h: New file.
        * sysdeps/unix/sysv/linux/statvfs.c Include "internal_statvfs.h"
        instead of <sys/statvfs.h>.
        (__internal_statvfs): Removed.
        * sysdeps/unix/sysv/linux/statvfs64.c Include "internal_statvfs.h"
        instead of <sys/statvfs.h>.
        (__internal_statvfs64): Removed.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e4fa2a881732c6eebe1408c279be1f8ab5796ad1

commit e4fa2a881732c6eebe1408c279be1f8ab5796ad1
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Aug 17 12:26:17 2017 -0700

    Mark 3 *_internal functions with attribute_hidden [BZ #18822]

    Mark __ptsname_internal, __mktime_internal and __fopen_internal with
    attribute_hidden to allow direct access to them within libc.so and
    libc.a without using GOT nor PLT.

        [BZ #18822]
        * include/stdlib.h (__ptsname_internal): Add attribute_hidden.
        * include/time.h (__mktime_internal): Likewise.
        * libio/iolibio.h (__fopen_internal): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=eb807184d1ab304a5cdc47f8be7805aa3e844def

commit eb807184d1ab304a5cdc47f8be7805aa3e844def
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Aug 13 07:00:22 2017 -0700

    Mark internal functions with attribute_hidden [BZ #18822]

    Mark internal functions with attribute_hidden to allow direct access to
    internal functions within libc.so and libc.a without using GOT nor PLT.

    Size comparison of libc.so:

    On x86-64:
            text           data     bss     dec     hex
    Before: 1728577       20584   17088 1766249  1af369
    After : 1728593       20584   17088 1766265  1af379

    The only change is __gconv_release_shlib in iconv/gconv_dl.c is inlined
    since it is hidden, which increases the code size of gconv_dl.os by 18
    bytes.

    On i686:
            text           data     bss     dec     hex
    Before: 1869039       11444   11112 1891595  1cdd0b
    After : 1868635       11444   11112 1891191  1cdb77

    The code size is decreased by avoiding GOT/PLT for hidden functions.

        [BZ #18822]
        * iconv/gconv_int.h (__gconv_open): Add attribute_hidden.
        (__gconv_close): Likewise.
        (__gconv): Likewise.
        (__gconv_find_transform): Likewise.
        (__gconv_lookup_cache): Likewise.
        (__gconv_compare_alias_cache): Likewise.
        (__gconv_load_cache): Likewise.
        (__gconv_get_path): Likewise.
        (__gconv_close_transform): Likewise.
        (__gconv_release_cache): Likewise.
        (__gconv_find_shlib): Likewise.
        (__gconv_release_shlib): Likewise.
        (__gconv_get_builtin_trans): Likewise.
        (__gconv_compare_alias): Likewise.
        * include/dlfcn.h (_dlerror_run): Likewise.
        * include/stdio.h (__fortify_fail_abort): Likewise.
        * include/time.h (__tz_compute): Likewise.
        (__strptime_internal): Likewise.
        * intl/gettextP.h (_nl_find_domain): Likewise.
        (_nl_load_domain): Likewise.
        (_nl_find_msg): Likewise.
        * intl/plural-exp.h (FREE_EXPRESSION): Likewise.
        (EXTRACT_PLURAL_EXPRESSION): Likewise.
        * locale/coll-lookup.h (__collidx_table_lookup): Likewise.
        * resolv/gai_misc.h (__gai_enqueue_request): Likewise.
        (__gai_find_request): Likewise.
        (__gai_remove_request): Likewise.
        (__gai_notify): Likewise.
        (__gai_notify_only): Likewise.
        * sysdeps/generic/aio_misc.h (__aio_sigqueue): Likewise.
        * sysdeps/generic/ldsodefs.h (_dl_fini): Likewise.
        (_dl_non_dynamic_init): Likewise.
        (_dl_aux_init): Likewise.
        * sysdeps/i386/machine-gmon.h (mcount_internal): Likewise.
        * sysdeps/unix/sysv/linux/i386/olddirent.h (__old_getdents64):
        Likewise.
        * wcsmbs/wcsmbsload.h (__wcsmbs_load_conv): Likewise.
        (__wcsmbs_clone_conv): Likewise.
        (__wcsmbs_named_conv): Likewise.

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