diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/microblaze/stack_overflow_exit.S')
| -rw-r--r-- | gcc-4.9/libgcc/config/microblaze/stack_overflow_exit.S | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/microblaze/stack_overflow_exit.S b/gcc-4.9/libgcc/config/microblaze/stack_overflow_exit.S new file mode 100644 index 000000000..6bac47c98 --- /dev/null +++ b/gcc-4.9/libgcc/config/microblaze/stack_overflow_exit.S @@ -0,0 +1,61 @@ +###################################-*-asm*- +# +# Copyright (C) 2009-2014 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 +# +####################################### + + .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 |