diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/____longjmp_chk.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/____longjmp_chk.S | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/____longjmp_chk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/____longjmp_chk.S deleted file mode 100644 index f61398c6b2..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/____longjmp_chk.S +++ /dev/null @@ -1,76 +0,0 @@ -/* Copyright (C) 2009-2017 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> -#include <rtld-global-offsets.h> - - .section .rodata.str1.4,"aMS",@progbits,1 - .align 2 -.LC0: - .string "longjmp causes uninitialized stack frame" - .text - -#define __longjmp_symbol ____longjmp_chk - -#ifdef PIC -# define LOAD_ARG \ - SETUP_GOT_ACCESS(r3,got_label2); \ - addis r3,r3,_GLOBAL_OFFSET_TABLE_-got_label2@ha; \ - addi r3,r3,_GLOBAL_OFFSET_TABLE_-got_label2@l; \ - lwz r3,.LC0@got(r3) -#else -# define LOAD_ARG \ - lis r3,.LC0@ha; \ - la r3,.LC0@l(r3) -#endif - -#define CHECK_SP(reg) \ - cmplw reg, r1; \ - bge+ .Lok; \ - mflr r0; \ - stwu r1,-32(r1); \ - cfi_remember_state; \ - cfi_adjust_cfa_offset (32); \ - stw r0,36(r1); \ - cfi_offset (lr, 4); \ - mr r31,r3; \ - mr r30,r4; \ - li r3,0; \ - addi r4,r1,8; \ - li r0,__NR_sigaltstack; \ - sc; \ - /* Without working sigaltstack we cannot perform the test. */ \ - bso .Lok2; \ - lwz r0,12(r1); \ - andi. r3,r0,1; \ - beq .Lfail; \ - lwz r0,16(r1); \ - lwz r3,8(r1); \ - add r3,r3,r0; \ - sub r3,r3,reg; \ - cmplw r3,r0; \ - bge+ .Lok2; \ -.Lfail: \ - LOAD_ARG; \ - bl HIDDEN_JUMPTARGET (__fortify_fail); \ -.Lok2: \ - mr r3,r31; \ - mr r4,r30; \ - cfi_restore_state; \ -.Lok: - -#include <__longjmp-common.S> |