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[commits] r8941 - in /fsf/trunk/libc: ./ sysdeps/s390/s390-32/ sysdeps/s390/s390-64/ sysdeps/unix/sysv/linux/s390/s390-32/ sysdeps/uni...



Author: eglibc
Date: Wed Sep  9 00:03:16 2009
New Revision: 8941

Log:
Import glibc-mainline for 2009-09-09

Added:
    fsf/trunk/libc/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
    fsf/trunk/libc/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
Removed:
    fsf/trunk/libc/sysdeps/s390/s390-32/____longjmp_chk.c
    fsf/trunk/libc/sysdeps/s390/s390-64/____longjmp_chk.c
Modified:
    fsf/trunk/libc/ChangeLog
    fsf/trunk/libc/configure
    fsf/trunk/libc/configure.in

Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Wed Sep  9 00:03:16 2009
@@ -1,3 +1,14 @@
+2009-09-05  H.J. Lu  <hongjiu.lu@xxxxxxxxx>
+
+	* configure.in: Support binutils 2.100 and 3.0.
+
+2009-09-08  Jakub Jelinek  <jakub@xxxxxxxxxx>
+
+	* sysdeps/s390/s390-32/____longjmp_chk.c: Removed.
+	* sysdeps/s390/s390-64/____longjmp_chk.c: Removed.
+	* sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c: New file.
+	* sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c: New file.
+
 2009-09-07  Ulrich Drepper  <drepper@xxxxxxxxxx>
 
 	* locale/programs/ld-collate.c (struct locale_collate_t): Add

Modified: fsf/trunk/libc/configure
==============================================================================
--- fsf/trunk/libc/configure (original)
+++ fsf/trunk/libc/configure Wed Sep  9 00:03:16 2009
@@ -4841,7 +4841,7 @@
   ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
-    2.1[3-9]*|[2-9].[2-9]*)
+    2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9]*|[3-9].*)
        ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 
@@ -4904,7 +4904,7 @@
   ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU ld.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
-    2.1[3-9]*|[2-9].[2-9]*)
+    2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9]*|3-9.*)
        ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
 

Modified: fsf/trunk/libc/configure.in
==============================================================================
--- fsf/trunk/libc/configure.in (original)
+++ fsf/trunk/libc/configure.in Wed Sep  9 00:03:16 2009
@@ -897,10 +897,10 @@
 # Accept binutils 2.13 or newer.
 AC_CHECK_PROG_VER(AS, $AS, --version,
 		  [GNU assembler.* \([0-9]*\.[0-9.]*\)],
-		  [2.1[3-9]*|[2-9].[2-9]*], AS=: critic_missing="$critic_missing as")
+		  [2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9]*|[3-9].*], AS=: critic_missing="$critic_missing as")
 AC_CHECK_PROG_VER(LD, $LD, --version,
 		  [GNU ld.* \([0-9][0-9]*\.[0-9.]*\)],
-		  [2.1[3-9]*|[2-9].[2-9]*], LD=: critic_missing="$critic_missing ld")
+		  [2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9]*]|[3-9].*, LD=: critic_missing="$critic_missing ld")
 
 # We need the physical current working directory.  We cannot use the
 # "pwd -P" shell builtin since that's not portable.  Instead we try to

Added: fsf/trunk/libc/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
==============================================================================
--- fsf/trunk/libc/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c (added)
+++ fsf/trunk/libc/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c Wed Sep  9 00:03:16 2009
@@ -1,0 +1,55 @@
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@xxxxxxxxxx>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <setjmp.h>
+#include <bits/setjmp.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <signal.h>
+#include <sys/syscall.h>
+
+#define __longjmp ____longjmp_chk
+
+#define CHECK_SP(env, guard) \
+  do									\
+    {									\
+      uintptr_t cur_sp;							\
+      uintptr_t new_sp = env->__gregs[9];				\
+      __asm ("lr %0, %%r15" : "=r" (cur_sp));				\
+      new_sp ^= guard;							\
+      if (new_sp < cur_sp)						\
+	{								\
+	  stack_t oss;							\
+	  INTERNAL_SYSCALL_DECL (err);					\
+	  int res = INTERNAL_SYSCALL (sigaltstack, err, 2, NULL, &oss);	\
+	  if (!INTERNAL_SYSCALL_ERROR_P (res, err))			\
+	    {								\
+	      if ((oss.ss_flags & SS_ONSTACK) == 0			\
+		  || ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp	\
+		      >= oss.ss_size))					\
+		__fortify_fail ("longjmp causes uninitialized stack frame");\
+	    }								\
+	}								\
+    } while (0)
+
+#include "__longjmp.c"

Added: fsf/trunk/libc/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
==============================================================================
--- fsf/trunk/libc/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c (added)
+++ fsf/trunk/libc/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c Wed Sep  9 00:03:16 2009
@@ -1,0 +1,55 @@
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@xxxxxxxxxx>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <setjmp.h>
+#include <bits/setjmp.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <signal.h>
+#include <sys/syscall.h>
+
+#define __longjmp ____longjmp_chk
+
+#define CHECK_SP(env, guard) \
+  do									\
+    {									\
+      uintptr_t cur_sp;							\
+      uintptr_t new_sp = env->__gregs[9];				\
+      __asm ("lgr %0, %%r15" : "=r" (cur_sp));				\
+      new_sp ^= guard;							\
+      if (new_sp < cur_sp)						\
+	{								\
+	  stack_t oss;							\
+	  INTERNAL_SYSCALL_DECL (err);					\
+	  int res = INTERNAL_SYSCALL (sigaltstack, err, 2, NULL, &oss);	\
+	  if (!INTERNAL_SYSCALL_ERROR_P (res, err))			\
+	    {								\
+	      if ((oss.ss_flags & SS_ONSTACK) == 0			\
+		  || ((uintptr_t) (oss.ss_sp + oss.ss_size) - new_sp	\
+		      >= oss.ss_size))					\
+		__fortify_fail ("longjmp causes uninitialized stack frame");\
+	    }								\
+	}								\
+    } while (0)
+
+#include "__longjmp.c"