GNU C Library master sources branch master updated. glibc-2.22-96-g33c898d

[hjl at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;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.

diff --git a/ChangeLog b/ChangeLog
index 592575b..83fef46 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,14 @@
 2015-08-19  H.J. Lu  <hongjiu.lu@intel.com>
 
 	[BZ #18822]
+	* sysdeps/unix/sysv/linux/xstatconv.h (__xstat_conv): Add
+	attribute_hidden.
+	(__xstat64_conv): Likewise.
+	(__xstat32_conv): Likewise.
+
+2015-08-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #18822]
 	* sysdeps/unix/sysv/linux/i386/makecontext.S (__makecontext):
 	Don't load %ebx when calling __setcontext.  Call __setcontext
 	with HIDDEN_JUMPTARGET.
diff --git a/sysdeps/unix/sysv/linux/xstatconv.h b/sysdeps/unix/sysv/linux/xstatconv.h
index 229e24c..d21d9a0 100644
--- a/sysdeps/unix/sysv/linux/xstatconv.h
+++ b/sysdeps/unix/sysv/linux/xstatconv.h
@@ -17,7 +17,10 @@
    <http://www.gnu.org/licenses/>.  */
 
 #ifndef STAT_IS_KERNEL_STAT
-extern int __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf);
-extern int __xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf);
+extern int __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
+  attribute_hidden;
+extern int __xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
+  attribute_hidden;
 #endif
-extern int __xstat32_conv (int vers, struct stat64 *kbuf, struct stat *buf);
+extern int __xstat32_conv (int vers, struct stat64 *kbuf, struct stat *buf)
+  attribute_hidden;

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;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.

diff --git a/ChangeLog b/ChangeLog
index 5f9e4f7..592575b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
 2015-08-19  H.J. Lu  <hongjiu.lu@intel.com>
 
+	[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.
+
+2015-08-19  H.J. Lu  <hongjiu.lu@intel.com>
+
 	* sysdeps/i386/i686/Makefile
 	[$(subdir) == string] (sysdep_routines): Moved to ...
 	* sysdeps/i386/Makefile: Here.
diff --git a/sysdeps/unix/sysv/linux/i386/makecontext.S b/sysdeps/unix/sysv/linux/i386/makecontext.S
index bcf8de6..fd1abf8 100644
--- a/sysdeps/unix/sysv/linux/i386/makecontext.S
+++ b/sysdeps/unix/sysv/linux/i386/makecontext.S
@@ -102,15 +102,10 @@ L(exitcode):
 	   parameters (see above).  */
 	leal	(%esp,%ebx,4), %esp
 
-#ifdef	PIC
-	call	1f
-1:	popl	%ebx
-	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
-#endif
 	cmpl	$0, (%esp)		/* Check the next context.  */
 	je	2f			/* If it is zero exit.  */
 
-	call	JUMPTARGET(__setcontext)
+	call	HIDDEN_JUMPTARGET(__setcontext)
 	/* If this returns (which can happen if the syscall fails) we'll
 	   exit the program with the return error value (-1).  */
 
diff --git a/sysdeps/unix/sysv/linux/i386/setcontext.S b/sysdeps/unix/sysv/linux/i386/setcontext.S
index 13609b0..75b4447 100644
--- a/sysdeps/unix/sysv/linux/i386/setcontext.S
+++ b/sysdeps/unix/sysv/linux/i386/setcontext.S
@@ -91,5 +91,6 @@ ENTRY(__setcontext)
 
 	ret
 PSEUDO_END(__setcontext)
+libc_hidden_def (__setcontext)
 
 weak_alias (__setcontext, setcontext)

-----------------------------------------------------------------------

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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