diff options
Diffstat (limited to 'sysdeps/arm/nacl/____longjmp_chk.S')
| -rw-r--r-- | sysdeps/arm/nacl/____longjmp_chk.S | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/sysdeps/arm/nacl/____longjmp_chk.S b/sysdeps/arm/nacl/____longjmp_chk.S deleted file mode 100644 index afc8ee6468..0000000000 --- a/sysdeps/arm/nacl/____longjmp_chk.S +++ /dev/null @@ -1,47 +0,0 @@ -/* longjmp that validates stack addresses. ARM/NaCl version. - Copyright (C) 2015-2016 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - - .section .rodata.str1.1,"aMS",%progbits,1 - .type longjmp_msg,%object -longjmp_msg: - .string "longjmp causes uninitialized stack frame" - .size longjmp_msg, .-longjmp_msg - - .text - -/* We don't have sigaltstack and so any longjmp must be to an outer frame. */ -.macro check_sp reg - cmp sp, \reg - bls .Lok -#ifdef PIC - movw r0, #:lower16:longjmp_msg-(.LPIC0+8) - movt r0, #:upper16:longjmp_msg-(.LPIC0+8) -.LPIC0: add r0, r0, pc -#else - movw r0, #:lower16:longjmp_msg - movt r0, #:upper16:longjmp_msg -#endif - b HIDDEN_JUMPTARGET(__fortify_fail) -.Lok: -.endm - -#define CHECK_SP(reg) check_sp reg -#define __longjmp ____longjmp_chk -#include <__longjmp.S> |