summaryrefslogtreecommitdiff
path: root/sysdeps/sh/elf/initfini.c
blob: 7697e93f492cf4ac70b3441297d764fbbf395a0f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/* Special .init and .fini section support for SH.
   Copyright (C) 2000, 2002 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

/* This file is compiled into assembly code which is then munged by a sed
   script into two files: crti.s and crtn.s.

   * crti.s puts a function prologue at the beginning of the
   .init and .fini sections and defines global symbols for
   those addresses, so they can be called as functions.

   * crtn.s puts the corresponding function epilogues
   in the .init and .fini sections. */

__asm__ ("\
\n\
#include \"defs.h\"\n\
#define SHARED\n\
\n\
/*@HEADER_ENDS*/\n\
\n\
/*@TESTS_BEGIN*/\n\
\n\
/*@TESTS_END*/\n\
\n\
/*@_init_PROLOG_BEGINS*/\n\
	.section .init\n\
	.align 5\n\
	.global	_init\n\
	.type	_init,@function\n\
_init:\n\
	mov.l	r12,@-r15\n\
	mov.l	r14,@-r15\n\
	sts.l	pr,@-r15\n\
#ifdef SHARED\n\
	mova	.L22,r0\n\
	mov.l	.L22,r12\n\
	add	r0,r12\n\
	mova	.L23,r0\n\
	mov.l	.L23,r1\n\
	add	r0,r1\n\
#else\n\
	mov.l	.L23,r1\n\
#endif\n\
	jsr	@r1\n\
	 mov	r15,r14\n\
	bra	1f\n\
	 nop\n\
	.align 2\n\
#ifdef SHARED\n\
.L22:\n\
	.long	_GLOBAL_OFFSET_TABLE_\n\
.L23:\n\
	.long	__gmon_start__@PLT\n\
#else\n\
.L23:\n\
	.long	__gmon_start__\n\
#endif\n\
1:\n\
	ALIGN\n\
	END_INIT\n\
\n\
	\n\
/*@_init_PROLOG_ENDS*/\n\
\n\
/*@_init_EPILOG_BEGINS*/\n\
	.section .init\n\
	mov	r14,r15\n\
	lds.l	@r15+,pr\n\
	mov.l	@r15+,r14\n\
	rts	\n\
	mov.l	@r15+,r12\n\
	END_INIT\n\
	.section .text\n\
	.align 5\n\
	.weak	__gmon_start__\n\
	.type	__gmon_start__,@function\n\
__gmon_start__:\n\
	mov.l	r14,@-r15\n\
	mov	r15,r14\n\
	mov	r14,r15\n\
	rts	\n\
	mov.l	@r15+,r14\n\
	\n\
/*@_init_EPILOG_ENDS*/\n\
\n\
/*@_fini_PROLOG_BEGINS*/\n\
	.section .fini\n\
	.align 5\n\
	.global	_fini\n\
	.type	_fini,@function\n\
_fini:\n\
	mov.l	r12,@-r15\n\
	mov.l	r14,@-r15\n\
	sts.l	pr,@-r15\n\
#ifdef SHARED\n\
	mova	.L27,r0\n\
	mov.l	.L27,r12\n\
	add	r0,r12\n\
#endif\n\
	mov	r15,r14\n\
	ALIGN\n\
	END_FINI\n\
#ifdef SHARED\n\
	bra	1f\n\
	 nop\n\
	.align	2\n\
.L27:\n\
	.long	_GLOBAL_OFFSET_TABLE_\n\
#endif\n\
1:\n\
/*@_fini_PROLOG_ENDS*/\n\
\n\
/*@_fini_EPILOG_BEGINS*/\n\
	.section .fini\n\
	mov	r14,r15\n\
	lds.l	@r15+,pr\n\
	mov.l	@r15+,r14\n\
	rts	\n\
	mov.l	@r15+,r12\n\
\n\
	END_FINI\n\
	\n\
/*@_fini_EPILOG_ENDS*/\n\
\n\
/*@TRAILER_BEGINS*/\
");