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
|
commit 4a531bb0b3b582cb693de9f76d2d97d970f9a5d5
Author: H.J. Lu <hongjiu.lu@intel.com>
Date: Fri Dec 24 20:14:37 2010 -0500
Remove `.ctors' and `.dtors' output sections
diff --git a/config.h.in b/config.h.in
index 18bf01a38c..9e797eb5b7 100644
--- a/config.h.in
+++ b/config.h.in
@@ -201,6 +201,9 @@
/* Define if multi-arch DSOs should be generated. */
#undef USE_MULTIARCH
+/* Define if `.ctors' and `.dtors' sections shouldn't be used. */
+#define NO_CTORS_DTORS_SECTIONS
+
/*
^L */
diff --git a/elf/sofini.c b/elf/sofini.c
index 5e06f0ca92..13e74b7903 100644
--- a/elf/sofini.c
+++ b/elf/sofini.c
@@ -1,12 +1,14 @@
/* Finalizer module for ELF shared C library. This provides terminating
null pointer words in the `.ctors' and `.dtors' sections. */
+#ifndef NO_CTORS_DTORS_SECTIONS
static void (*const __CTOR_END__[1]) (void)
__attribute__ ((used, section (".ctors")))
= { 0 };
static void (*const __DTOR_END__[1]) (void)
__attribute__ ((used, section (".dtors")))
= { 0 };
+#endif
/* Terminate the frame unwind info section with a 4byte 0 as a sentinel;
this would be the 'length' field in a real FDE. */
diff --git a/elf/soinit.c b/elf/soinit.c
index 6fecbb5674..1db676af01 100644
--- a/elf/soinit.c
+++ b/elf/soinit.c
@@ -3,6 +3,7 @@
the `.ctors' and `.dtors' sections so the lists are terminated, and
calling those lists of functions. */
+#ifndef NO_CTORS_DTORS_SECTIONS
#include <libc-internal.h>
#include <stdlib.h>
@@ -40,3 +41,4 @@ __libc_fini (void)
void (*_fini_ptr) (void) __attribute__ ((section (".fini_array")))
= &__libc_fini;
+#endif
diff --git a/sysdeps/i386/init-first.c b/sysdeps/i386/init-first.c
index c6355a8b7b..2af042fe4b 100644
--- a/sysdeps/i386/init-first.c
+++ b/sysdeps/i386/init-first.c
@@ -59,7 +59,9 @@ _init (int argc, ...)
{
init (&argc);
+#ifndef NO_CTORS_DTORS_SECTIONS
__libc_global_ctors ();
+#endif
}
#endif
diff --git a/sysdeps/mach/hurd/i386/init-first.c b/sysdeps/mach/hurd/i386/init-first.c
index f9a7a58deb..60823bd789 100644
--- a/sysdeps/mach/hurd/i386/init-first.c
+++ b/sysdeps/mach/hurd/i386/init-first.c
@@ -92,7 +92,7 @@ posixland_init (int argc, char **argv, char **envp)
__getopt_clean_environment (envp);
#endif
-#ifdef SHARED
+#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS
__libc_global_ctors ();
#endif
}
diff --git a/sysdeps/mach/hurd/powerpc/init-first.c b/sysdeps/mach/hurd/powerpc/init-first.c
index 20fa1d4f12..21b5054b0a 100644
--- a/sysdeps/mach/hurd/powerpc/init-first.c
+++ b/sysdeps/mach/hurd/powerpc/init-first.c
@@ -82,7 +82,7 @@ posixland_init (int argc, char **argv, char **envp)
__getopt_clean_environment (__environ);
#endif
-#ifdef SHARED
+#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS
__libc_global_ctors ();
#endif
}
diff --git a/sysdeps/sh/init-first.c b/sysdeps/sh/init-first.c
index d816625ef4..1f3a821fea 100644
--- a/sysdeps/sh/init-first.c
+++ b/sysdeps/sh/init-first.c
@@ -59,7 +59,9 @@ _init (int argc, ...)
{
init (&argc);
+#ifndef NO_CTORS_DTORS_SECTIONS
__libc_global_ctors ();
+#endif
}
#endif
diff --git a/sysdeps/unix/sysv/linux/init-first.c b/sysdeps/unix/sysv/linux/init-first.c
index 7b2333d4bf..a60212f4ed 100644
--- a/sysdeps/unix/sysv/linux/init-first.c
+++ b/sysdeps/unix/sysv/linux/init-first.c
@@ -93,7 +93,7 @@ _init (int argc, char **argv, char **envp)
__getopt_clean_environment (envp);
#endif
-#ifdef SHARED
+#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS
__libc_global_ctors ();
#endif
}
|
