1/* Special .init and .fini section support for ARM.
2 Copyright (C) 2000-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 In addition to the permissions in the GNU Lesser General Public
11 License, the Free Software Foundation gives you unlimited
12 permission to link the compiled version of this file with other
13 programs, and to distribute those programs without any restriction
14 coming from the use of this file. (The GNU Lesser General Public
15 License restrictions do apply in other respects; for example, they
16 cover modification of the file, and distribution when not linked
17 into another program.)
18
19 Note that people who make modified versions of this file are not
20 obligated to grant this special exception for their modified
21 versions; it is their choice whether to do so. The GNU Lesser
22 General Public License gives permission to release a modified
23 version without this exception; this exception also makes it
24 possible to release a modified version which carries forward this
25 exception.
26
27 The GNU C Library is distributed in the hope that it will be useful,
28 but WITHOUT ANY WARRANTY; without even the implied warranty of
29 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
30 Lesser General Public License for more details.
31
32 You should have received a copy of the GNU Lesser General Public
33 License along with the GNU C Library. If not, see
34 <https://www.gnu.org/licenses/>. */
35
36#include <sysdep.h>
37#undef ret
38
39/* crtn.S puts function epilogues in the .init and .fini sections
40 corresponding to the prologues in crti.S. */
41
42 .section .init,"ax",@progbits
43 .proc _init#
44_init:
45 .prologue
46 .save ar.pfs, r34
47 .vframe r32
48 .save rp, r33
49 .body
50 .regstk 0,2,0,0
51 mov r12 = r32
52 mov ar.pfs = r34
53 mov b0 = r33
54 br.ret.sptk.many b0
55 .endp _init#
56
57 .section .fini,"ax",@progbits
58 .proc _fini#
59_fini:
60 .prologue
61 .save ar.pfs, r34
62 .vframe r32
63 .save rp, r33
64 .body
65 mov r12 = r32
66 mov ar.pfs = r34
67 mov b0 = r33
68 br.ret.sptk.many b0
69 .endp _fini#
70

source code of glibc/sysdeps/ia64/crtn.S