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[Bug libc/18822] Internal functions are called via PLT
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 19 Aug 2015 11:47:38 +0000
- Subject: [Bug libc/18822] Internal functions are called via PLT
- Auto-submitted: auto-generated
- References: <bug-18822-131 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=18822
--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=33c898d1607c1b8dac69c76eec289980292ebfc2
commit 33c898d1607c1b8dac69c76eec289980292ebfc2
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Aug 19 04:40:35 2015 -0700
Mark __xstatXX_conv as hidden
__xstat_conv, __xstat64_conv and __xstat32_conv are internal to glibc.
They should be marked as hidden so that they can't be called without
PLT.
[BZ #18822]
* sysdeps/unix/sysv/linux/xstatconv.h (__xstat_conv): Add
attribute_hidden.
(__xstat64_conv): Likewise.
(__xstat32_conv): Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e58ab243de4a89c49eec1521970c2a05c9e4adc
commit 7e58ab243de4a89c49eec1521970c2a05c9e4adc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Aug 19 04:39:47 2015 -0700
Call __setcontext with HIDDEN_JUMPTARGET
i386 __makecontext should call __setcontext with HIDDEN_JUMPTARGET.
[BZ #18822]
* sysdeps/unix/sysv/linux/i386/makecontext.S (__makecontext):
Don't load %ebx when calling __setcontext. Call __setcontext
with HIDDEN_JUMPTARGET.
* sysdeps/unix/sysv/linux/i386/setcontext.S (__setcontext): Add
libc_hidden_def.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 17 +++++++++++++++++
sysdeps/unix/sysv/linux/i386/makecontext.S | 7 +------
sysdeps/unix/sysv/linux/i386/setcontext.S | 1 +
sysdeps/unix/sysv/linux/xstatconv.h | 9 ++++++---
4 files changed, 25 insertions(+), 9 deletions(-)
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