1 # Define _init and _fini entry points for C-SKY.
2 # Copyright (C) 2018-2023 Free Software Foundation, Inc.
3 # Contributed by C-SKY Microsystems and Mentor Graphics.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by the
7 # Free Software Foundation; either version 3, or (at your option) any
10 # This file is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # Under Section 7 of GPL version 3, you are granted additional
16 # permissions described in the GCC Runtime Library Exception, version
17 # 3.1, as published by the Free Software Foundation.
19 # You should have received a copy of the GNU General Public License and
20 # a copy of the GCC Runtime Library Exception along with this program;
21 # see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 # <http://www.gnu.org/licenses/>.
25 # This file just makes a stack frame for the contents of the .fini and
26 # .init sections. Users may put any desired instructions in those
31 /* We use more complicated versions of this code with GLIBC. */
32 #if defined(__gnu_linux__)
34 #ifndef PREINIT_FUNCTION
35 # define PREINIT_FUNCTION __gmon_start__
38 #ifndef PREINIT_FUNCTION_WEAK
39 # define PREINIT_FUNCTION_WEAK 1
42 #if PREINIT_FUNCTION_WEAK
43 .global PREINIT_FUNCTION
44 .weak PREINIT_FUNCTION
46 .type call_weak_fn, %function
52 lrw a2, PREINIT_FUNCTION@GOT
56 lrw a2, PREINIT_FUNCTION
69 .hidden PREINIT_FUNCTION
70 #endif /* PREINIT_FUNCTION_WEAK */
72 .section .init,"ax",@progbits
75 .type _init, @function
86 #if PREINIT_FUNCTION_WEAK
88 lrw a2, call_weak_fn@GOTOFF
94 #else /* !PREINIT_FUNCTION_WEAK */
96 lrw a2, PREINIT_FUNCTION@PLT
101 jsri PREINIT_FUNCTION
103 #endif /* PREINIT_FUNCTION_WEAK */
109 .section .fini,"ax",@progbits
112 .type _fini, @function
121 /* These are the non-GLIBC versions. */
122 #else /* !defined(__gnu_linux__) */
125 .type _init,@function
134 .type _fini,@function
140 #endif /* defined(__gnu_linux__) */