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[Bug build/7065] Support building glibc with -fstack-protector or -fstack-protector-all
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Sun, 09 Jul 2017 21:29:17 +0000
- Subject: [Bug build/7065] Support building glibc with -fstack-protector or -fstack-protector-all
- Auto-submitted: auto-generated
- References: <bug-7065-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=7065
--- Comment #28 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/pr21741 has been created
at 9f9d3a4ca3428f053393d38fec146b7511a02272 (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9f9d3a4ca3428f053393d38fec146b7511a02272
commit 9f9d3a4ca3428f053393d38fec146b7511a02272
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 9 11:52:33 2017 -0700
Don't include _dl_resolve_conflicts in libc.a [BZ #21742]
Since _dl_resolve_conflicts is only used in elf/rtld.c, don't include
it in libc.a.
[BZ #21742]
* elf/dl-conflict.c (_dl_resolve_conflicts): Define only if
SHARED is defined.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7fec70268f9b52c80c2a0994839c779c53cc2800
commit 7fec70268f9b52c80c2a0994839c779c53cc2800
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 9 11:11:15 2017 -0700
x86-64: Test memmove_chk and memset_chk only in libc.so [BZ #21741]
Since there are no multiarch versions of memmove_chk and memset_chk,
test multiarch versions of memmove_chk and memset_chk only in libc.so.
[BZ #21741]
* sysdeps/x86_64/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Test memmove_chk and memset_chk only
in libc.so.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4df365be4710ab6678df5435146ed4b118472d71
commit 4df365be4710ab6678df5435146ed4b118472d71
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Jul 9 08:39:17 2017 -0700
Remove debug/stack_chk_fail_local.c [BZ #21740]
Since
commit 524a8ef2ad76af8ac049293d993a1856b0d888fb
Author: Nick Alcock <nick.alcock@oracle.com>
Date: Mon Dec 26 10:08:57 2016 +0100
PLT avoidance for __stack_chk_fail [BZ #7065]
Add a hidden __stack_chk_fail_local alias to libc.so,
and make sure that on targets which use __stack_chk_fail,
this does not introduce a local PLT reference into libc.so.
added
strong_alias (__stack_chk_fail, __stack_chk_fail_local)
to debug/stack_chk_fail.c, debug/stack_chk_fail_local.c should be
removed.
* [BZ #21740]
* debug/Makefile (static-only-routines): Remove
stack_chk_fail_local.
* debug/stack_chk_fail_local.c: Removed.
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