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
|
/* Special .init and .fini section support for x86-64.
Copyright (C) 2001 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.
In addition to the permissions in the GNU Lesser General Public
License, the Free Software Foundation gives you unlimited
permission to link the compiled version of this file with other
programs, and to distribute those programs without any restriction
coming from the use of this file. (The GNU Lesser General Public
License restrictions do apply in other respects; for example, they
cover modification of the file, and distribution when not linked
into another program.)
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\
\n\
/*@HEADER_ENDS*/\n\
\n\
/*@_init_PROLOG_BEGINS*/\n\
.align 4\n\
.type call_gmon_start,@function\n\
call_gmon_start:\n\
subq $8, %rsp\n\
movq __gmon_start__@GOTPCREL(%rip), %rax\n\
testq %rax, %rax\n\
je .L22\n\
call *%rax\n\
.L22:\n\
addq $8, %rsp\n\
ret\n\
\n\
.section .init\n\
.align 4\n\
.globl _init\n\
.type _init,@function\n\
_init:\n\
subq $8, %rsp\n\
/* call call_gmon_start */\n\
ALIGN\n\
END_INIT\n\
\n\
/*@_init_PROLOG_ENDS*/\n\
\n\
/*@_init_EPILOG_BEGINS*/\n\
.section .init\n\
addq $8, %rsp\n\
ret\n\
END_INIT\n\
\n\
/*@_init_EPILOG_ENDS*/\n\
\n\
/*@_fini_PROLOG_BEGINS*/\n\
.section .fini\n\
.align 4\n\
.globl _fini\n\
.type _fini,@function\n\
_fini:\n\
subq $8, %rsp\n\
ALIGN\n\
END_FINI\n\
\n\
/*@_fini_PROLOG_ENDS*/\n\
call i_am_not_a_leaf@PLT\n\
\n\
/*@_fini_EPILOG_BEGINS*/\n\
.section .fini\n\
addq $8, %rsp\n\
ret\n\
END_FINI\n\
\n\
/*@_fini_EPILOG_ENDS*/\n\
\n\
/*@TRAILER_BEGINS*/\n\
.weak __gmon_start__\n\
");
|
