| ###################################-*-asm*- |
| # |
| # Copyright (C) 2009-2020 Free Software Foundation, Inc. |
| # |
| # |
| # Contributed by Michael Eager <eager@eagercon.com>. |
| # |
| # This file is free software; you can redistribute it and/or modify it |
| # under the terms of the GNU General Public License as published by the |
| # Free Software Foundation; either version 3, or (at your option) any |
| # later version. |
| # |
| # GCC 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 General Public |
| # License for more details. |
| # |
| # Under Section 7 of GPL version 3, you are granted additional |
| # permissions described in the GCC Runtime Library Exception, version |
| # 3.1, as published by the Free Software Foundation. |
| # |
| # You should have received a copy of the GNU General Public License and |
| # a copy of the GCC Runtime Library Exception along with this program; |
| # see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| # <http://www.gnu.org/licenses/>. |
| # |
| # stack_overflow_exit.S |
| # |
| # Checks for stack overflows and sets the global variable |
| # stack_overflow_error with the value of current stack pointer |
| # |
| # This routine exits from the program |
| # |
| ####################################### |
| |
| /* An executable stack is *not* required for these functions. */ |
| #ifdef __linux__ |
| .section .note.GNU-stack,"",%progbits |
| .previous |
| #endif |
| |
| .globl _stack_overflow_error |
| .data |
| .align 2 |
| .type _stack_overflow_error,@object |
| .size _stack_overflow_error,4 |
| _stack_overflow_error: |
| .data32 0 |
| |
| .text |
| .globl _stack_overflow_exit |
| .ent _stack_overflow_exit |
| .type _stack_overflow_exit,@function |
| |
| _stack_overflow_exit: |
| #ifdef __PIC__ |
| mfs r20,rpc |
| addik r20,r20,_GLOBAL_OFFSET_TABLE_+8 |
| swi r1,r20,_stack_overflow_error@GOTOFF |
| bri exit@PLT |
| #else |
| swi r1,r0,_stack_overflow_error |
| bri exit |
| #endif |
| |
| .end _stack_overflow_exit |
| .size _stack_overflow_exit,. - _stack_overflow_exit |
