* elf/Versions [GLIBC_PRIVATE]: Export __pointer_chk_guard if defined.

	* elf/rtld.c: Define __pointer_chk_guard_local and if necessary
	__pointer_chk_guard.
	(_rtld_global_ro): Initialize _dl_pointer_guard.
	(dl_main): Initialize __pointer_chk_guard_local and either
	__pointer_chk_guard or TLS value if necessary.
	(process_envvars): Recognize and handle LD_POINTER_GUARD.
	* sysdeps/generic/ldsodefs.h (rtld_global_ro): Add _dl_pointer_guard.
	* sysdeps/i386/__longjmp.S: Use PTR_DEMANGLE for PC if defined.
	* sysdeps/x86_64/__longjmp.S: Likewise.
	* sysdeps/i386/bsd-_setjmp.S: Use PTR_MANGLE for PC if defined.
	* sysdeps/i386/bsd-_setjmp.S: Likewise.
	* sysdeps/i386/setjmp.S: Likewise.
	[IS_IN_rtld]: Avoid call to __sigjmp_save.
	* sysdeps/i386/setjmp.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Define PTR_MANGLE and
	PTR_DEMANGLE.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.

	* sysdeps/i386/elf/setjmp.S: Removed.
	* sysdeps/i386/elf/bsd-setjmp.S: Removed.

2 files changed, 0 insertions, 152 deletions

diff --git a/sysdeps/i386/elf/bsd-setjmp.S b/sysdeps/i386/elf/bsd-setjmp.S
deleted file mode 100644
index c421791fe0..0000000000
--- a/sysdeps/i386/elf/bsd-setjmp.S
+++ /dev/null
@@ -1,82 +0,0 @@
-/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'.  i386 version.
-   Copyright (C) 1995-1997,2000-2003,2005 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   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 <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
-#include "bp-sym.h"
-#include "bp-asm.h"
-
-#define PARMS	LINKAGE		/* no space for saved regs */
-#define JMPBUF	PARMS
-#define SIGMSK	JMPBUF+PTR_SIZE
-
-ENTRY (BP_SYM (setjmp))
-	/* Note that we have to use a non-exported symbol in the next
-	   jump since otherwise gas will emit it as a jump through the
-	   PLT which is what we cannot use here.  */
-	ENTER
-
-	movl JMPBUF(%esp), %eax
-	CHECK_BOUNDS_BOTH_WIDE (%eax, JMPBUF(%esp), $JB_SIZE)
-
-     	/* Save registers.  */
-	movl %ebx, (JB_BX*4)(%eax)
-	movl %esi, (JB_SI*4)(%eax)
-	movl %edi, (JB_DI*4)(%eax)
-	leal JMPBUF(%esp), %ecx	/* Save SP as it will be after we return.  */
-     	movl %ecx, (JB_SP*4)(%eax)
-	movl PCOFF(%esp), %ecx	/* Save PC we are returning to now.  */
-     	movl %ecx, (JB_PC*4)(%eax)
-	LEAVE /* pop frame pointer to prepare for tail-call.  */
-	movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer.  */
-
-	/* Call __sigjmp_save.  */
-	pushl $1
-	cfi_adjust_cfa_offset (4)
-	pushl 8(%esp)
-	cfi_adjust_cfa_offset (4)
-#ifdef	PIC
-	/* We cannot use the PLT, because it requires that %ebx be set, but
-           we can't save and restore our caller's value.  Instead, we do an
-           indirect jump through the GOT, using for the temporary register
-           %ecx, which is call-clobbered.  */
-	call __i686.get_pc_thunk.cx
-	addl $_GLOBAL_OFFSET_TABLE_, %ecx
-	leal C_SYMBOL_NAME (BP_SYM (__sigjmp_save)@GOTOFF)(%ecx), %ecx
-	call *%ecx
-#else
-	call BP_SYM (__sigjmp_save)
-#endif
-	popl %ecx
-	cfi_adjust_cfa_offset (-4)
-	popl %edx
-	cfi_adjust_cfa_offset (-4)
-	ret
-END (BP_SYM (setjmp))
-
-	.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
-	.globl __i686.get_pc_thunk.cx
-	.hidden __i686.get_pc_thunk.cx
-	.type __i686.get_pc_thunk.cx,@function
-__i686.get_pc_thunk.cx:
-	movl (%esp), %ecx
-	ret
-	.size __i686.get_pc_thunk.cx, . - __i686.get_pc_thunk.cx
diff --git a/sysdeps/i386/elf/setjmp.S b/sysdeps/i386/elf/setjmp.S
deleted file mode 100644
index d6ae98b8b4..0000000000
--- a/sysdeps/i386/elf/setjmp.S
+++ /dev/null
@@ -1,70 +0,0 @@
-/* setjmp for i386, ELF version.
-   Copyright (C) 1995-1997,2000,2001,2002,2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   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 <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
-#include "bp-sym.h"
-#include "bp-asm.h"
-
-#define PARMS	LINKAGE		/* no space for saved regs */
-#define JMPBUF	PARMS
-#define SIGMSK	JMPBUF+PTR_SIZE
-
-ENTRY (BP_SYM (__sigsetjmp))
-	ENTER
-
-	movl JMPBUF(%esp), %eax
-	CHECK_BOUNDS_BOTH_WIDE (%eax, JMPBUF(%esp), $JB_SIZE)
-
-     	/* Save registers.  */
-	movl %ebx, (JB_BX*4)(%eax)
-	movl %esi, (JB_SI*4)(%eax)
-	movl %edi, (JB_DI*4)(%eax)
-	leal JMPBUF(%esp), %ecx	/* Save SP as it will be after we return.  */
-     	movl %ecx, (JB_SP*4)(%eax)
-	movl PCOFF(%esp), %ecx	/* Save PC we are returning to now.  */
-     	movl %ecx, (JB_PC*4)(%eax)
-	LEAVE /* pop frame pointer to prepare for tail-call.  */
-	movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer.  */
-
-	/* Make a tail call to __sigjmp_save; it takes the same args.  */
-#ifdef	PIC
-	/* We cannot use the PLT, because it requires that %ebx be set, but
-           we can't save and restore our caller's value.  Instead, we do an
-           indirect jump through the GOT, using for the temporary register
-           %ecx, which is call-clobbered.  */
-	call __i686.get_pc_thunk.cx
-	addl $_GLOBAL_OFFSET_TABLE_, %ecx
-	leal C_SYMBOL_NAME (BP_SYM (__sigjmp_save)@GOTOFF)(%ecx), %ecx
-	jmp *%ecx
-#else
-	jmp BP_SYM (__sigjmp_save)
-#endif
-END (BP_SYM (__sigsetjmp))
-
-	.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
-	.globl __i686.get_pc_thunk.cx
-	.hidden __i686.get_pc_thunk.cx
-	.type __i686.get_pc_thunk.cx,@function
-__i686.get_pc_thunk.cx:
-	movl (%esp), %ecx
-	ret
-	.size __i686.get_pc_thunk.cx, . - __i686.get_pc_thunk.cx