1/* Copyright (C) 2012-2022 Free Software Foundation, Inc.
2   Contributed by Jonah Graham (jgraham@altera.com).
3   Contributed by Mentor Graphics, Inc.
4
5This file is free software; you can redistribute it and/or modify it
6under the terms of the GNU General Public License as published by the
7Free Software Foundation; either version 3, or (at your option) any
8later version.
9
10This file is distributed in the hope that it will be useful, but
11WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13General Public License for more details.
14
15Under Section 7 of GPL version 3, you are granted additional
16permissions described in the GCC Runtime Library Exception, version
173.1, as published by the Free Software Foundation.
18
19You should have received a copy of the GNU General Public License and
20a copy of the GCC Runtime Library Exception along with this program;
21see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
22<http://www.gnu.org/licenses/>.  */
23
24
25/* This file just make a stack frame for the contents of the .fini and
26   .init sections.  Users may put any desired instructions in those
27   sections.
28
29   While technically any code can be put in the init and fini sections
30   most stuff will not work other than stuff which obeys the call frame
31   and ABI.  All the call-preserved registers are saved, the call clobbered
32   registers should have been saved by the code calling init and fini.
33
34   See crtstuff.c for an example of code that inserts itself in the init
35   and fini sections.
36
37   See crt0.s for the code that calls init and fini.  */
38
39	.section	".init"
40	.align 2
41	.global	_init
42_init:
43	addi	sp, sp, -48
44	stw	ra, 44(sp)
45	stw	r23, 40(sp)
46	stw	r22, 36(sp)
47	stw	r21, 32(sp)
48	stw	r20, 28(sp)
49	stw	r19, 24(sp)
50	stw	r18, 20(sp)
51	stw	r17, 16(sp)
52	stw	r16, 12(sp)
53	stw	fp, 8(sp)
54	addi	fp, sp, 8
55#ifdef linux
56	nextpc	r22
571:	movhi	r2, %hiadj(_gp_got - 1b)
58	addi	r2, r2, %lo(_gp_got - 1b)
59	add	r22, r22, r2
60#endif
61
62
63	.section	".fini"
64	.align	2
65	.global	_fini
66_fini:
67	addi	sp, sp, -48
68	stw	ra, 44(sp)
69	stw	r23, 40(sp)
70	stw	r22, 36(sp)
71	stw	r21, 32(sp)
72	stw	r20, 28(sp)
73	stw	r19, 24(sp)
74	stw	r18, 20(sp)
75	stw	r17, 16(sp)
76	stw	r16, 12(sp)
77	stw	fp, 8(sp)
78	addi	fp, sp, 8
79#ifdef linux
80	nextpc	r22
811:	movhi	r2, %hiadj(_gp_got - 1b)
82	addi	r2, r2, %lo(_gp_got - 1b)
83	add	r22, r22, r2
84#endif
85
86