1/*-
2 * Copyright 2012 Konstantin Belousov <kib@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
| 1/*-
2 * Copyright 2012 Konstantin Belousov <kib@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
|
27__FBSDID("$FreeBSD: head/lib/csu/common/ignore_init.c 232832 2012-03-11 20:04:09Z kib $");
| 27__FBSDID("$FreeBSD: head/lib/csu/common/ignore_init.c 245133 2013-01-07 17:58:27Z kib $");
|
28
29#include "notes.h"
30
31extern int main(int, char **, char **);
32
33extern void (*__preinit_array_start[])(int, char **, char **) __hidden;
34extern void (*__preinit_array_end[])(int, char **, char **) __hidden;
35extern void (*__init_array_start[])(int, char **, char **) __hidden;
36extern void (*__init_array_end[])(int, char **, char **) __hidden;
37extern void (*__fini_array_start[])(void) __hidden;
38extern void (*__fini_array_end[])(void) __hidden;
39extern void _fini(void) __hidden;
40extern void _init(void) __hidden;
41
42extern int _DYNAMIC;
43#pragma weak _DYNAMIC
44
45char **environ;
46const char *__progname = "";
47
48static void
49finalizer(void)
50{
51 void (*fn)(void);
52 size_t array_size, n;
53
54 array_size = __fini_array_end - __fini_array_start;
55 for (n = array_size; n > 0; n--) {
56 fn = __fini_array_start[n - 1];
57 if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1)
58 (fn)();
59 }
60 _fini();
61}
62
63static inline void
64handle_static_init(int argc, char **argv, char **env)
65{
66 void (*fn)(int, char **, char **);
67 size_t array_size, n;
68
69 if (&_DYNAMIC != NULL)
70 return;
71
72 atexit(finalizer);
73
74 array_size = __preinit_array_end - __preinit_array_start;
75 for (n = 0; n < array_size; n++) {
76 fn = __preinit_array_start[n];
77 if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1)
78 fn(argc, argv, env);
79 }
80 _init();
81 array_size = __init_array_end - __init_array_start;
82 for (n = 0; n < array_size; n++) {
83 fn = __init_array_start[n];
84 if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1)
85 fn(argc, argv, env);
86 }
87}
88
89static inline void
| 28
29#include "notes.h"
30
31extern int main(int, char **, char **);
32
33extern void (*__preinit_array_start[])(int, char **, char **) __hidden;
34extern void (*__preinit_array_end[])(int, char **, char **) __hidden;
35extern void (*__init_array_start[])(int, char **, char **) __hidden;
36extern void (*__init_array_end[])(int, char **, char **) __hidden;
37extern void (*__fini_array_start[])(void) __hidden;
38extern void (*__fini_array_end[])(void) __hidden;
39extern void _fini(void) __hidden;
40extern void _init(void) __hidden;
41
42extern int _DYNAMIC;
43#pragma weak _DYNAMIC
44
45char **environ;
46const char *__progname = "";
47
48static void
49finalizer(void)
50{
51 void (*fn)(void);
52 size_t array_size, n;
53
54 array_size = __fini_array_end - __fini_array_start;
55 for (n = array_size; n > 0; n--) {
56 fn = __fini_array_start[n - 1];
57 if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1)
58 (fn)();
59 }
60 _fini();
61}
62
63static inline void
64handle_static_init(int argc, char **argv, char **env)
65{
66 void (*fn)(int, char **, char **);
67 size_t array_size, n;
68
69 if (&_DYNAMIC != NULL)
70 return;
71
72 atexit(finalizer);
73
74 array_size = __preinit_array_end - __preinit_array_start;
75 for (n = 0; n < array_size; n++) {
76 fn = __preinit_array_start[n];
77 if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1)
78 fn(argc, argv, env);
79 }
80 _init();
81 array_size = __init_array_end - __init_array_start;
82 for (n = 0; n < array_size; n++) {
83 fn = __init_array_start[n];
84 if ((uintptr_t)fn != 0 && (uintptr_t)fn != 1)
85 fn(argc, argv, env);
86 }
87}
88
89static inline void
|
90handle_progname(const char *v)
| 90handle_argv(int argc, char *argv[], char **env)
|
91{
92 const char *s;
93
| 91{
92 const char *s;
93
|
94 __progname = v;
95 for (s = __progname; *s != '\0'; s++) {
96 if (*s == '/')
97 __progname = s + 1;
| 94 if (environ == NULL)
95 environ = env;
96 if (argc > 0 && argv[0] != NULL) {
97 __progname = argv[0];
98 for (s = __progname; *s != '\0'; s++) {
99 if (*s == '/')
100 __progname = s + 1;
101 }
|
98 }
99}
100
101static const struct {
102 int32_t namesz;
103 int32_t descsz;
104 int32_t type;
105 char name[sizeof(NOTE_FREEBSD_VENDOR)];
106 uint32_t desc;
107} crt_noinit_tag __attribute__ ((section (NOTE_SECTION),
108 aligned(4))) __used = {
109 .namesz = sizeof(NOTE_FREEBSD_VENDOR),
110 .descsz = sizeof(uint32_t),
111 .type = CRT_NOINIT_NOTETYPE,
112 .name = NOTE_FREEBSD_VENDOR,
113 .desc = 0
114};
| 102 }
103}
104
105static const struct {
106 int32_t namesz;
107 int32_t descsz;
108 int32_t type;
109 char name[sizeof(NOTE_FREEBSD_VENDOR)];
110 uint32_t desc;
111} crt_noinit_tag __attribute__ ((section (NOTE_SECTION),
112 aligned(4))) __used = {
113 .namesz = sizeof(NOTE_FREEBSD_VENDOR),
114 .descsz = sizeof(uint32_t),
115 .type = CRT_NOINIT_NOTETYPE,
116 .name = NOTE_FREEBSD_VENDOR,
117 .desc = 0
118};
|