xref: /netbsd-src/external/gpl3/gcc.old/dist/libgcc/config/microblaze/crti.S (revision 87d689fb734c654d2486f87f7be32f1b53ecdbec)
1/* crti.s for __init, __fini
2   This file supplies the prologue for __init and __fini routines
3
4   Copyright (C) 2009-2015 Free Software Foundation, Inc.
5
6   Contributed by Michael Eager <eager@eagercon.com>.
7
8   This file is free software; you can redistribute it and/or modify it
9   under the terms of the GNU General Public License as published by the
10   Free Software Foundation; either version 3, or (at your option) any
11   later version.
12
13   GCC is distributed in the hope that it will be useful, but WITHOUT
14   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16   License for more details.
17
18   Under Section 7 of GPL version 3, you are granted additional
19   permissions described in the GCC Runtime Library Exception, version
20   3.1, as published by the Free Software Foundation.
21
22   You should have received a copy of the GNU General Public License and
23   a copy of the GCC Runtime Library Exception along with this program;
24   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
25   <http://www.gnu.org/licenses/>.  */
26
27    .section .init, "ax"
28    .global __init
29
30    .weak _stack
31    .set  _stack, 0xffffffff
32    .weak _stack_end
33    .set  _stack_end, 0
34
35    .align 2
36__init:
37    addik   r1, r1, -8
38    sw      r15, r0, r1
39    la      r11, r0, _stack
40    mts     rshr, r11
41    la      r11, r0, _stack_end
42    mts     rslr, r11
43
44    .section .fini, "ax"
45    .global __fini
46    .align 2
47__fini:
48    addik   r1, r1, -8
49    sw      r15, r0, r1
50