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
|
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 73b2a2f..9bd91e3 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -1,5 +1,5 @@
/* Close a shared object opened by `_dl_open'.
- Copyright (C) 1996-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1996-2007, 2009, 2010 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
@@ -119,17 +119,8 @@ _dl_close_worker (struct link_map *map)
if (map->l_direct_opencount > 0 || map->l_type != lt_loaded
|| dl_close_state != not_pending)
{
- if (map->l_direct_opencount == 0)
- {
- if (map->l_type == lt_loaded)
- dl_close_state = rerun;
- else if (map->l_type == lt_library)
- {
- struct link_map **oldp = map->l_initfini;
- map->l_initfini = map->l_orig_initfini;
- _dl_scope_free (oldp);
- }
- }
+ if (map->l_direct_opencount == 0 && map->l_type == lt_loaded)
+ dl_close_state = rerun;
/* There are still references to this object. Do nothing more. */
if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_FILES, 0))
diff --git a/elf/dl-deps.c b/elf/dl-deps.c
index 9e30594..3890d00 100644
--- a/elf/dl-deps.c
+++ b/elf/dl-deps.c
@@ -478,6 +478,7 @@ _dl_map_object_deps (struct link_map *map,
nneeded * sizeof needed[0]);
atomic_write_barrier ();
l->l_initfini = l_initfini;
+ l->l_free_initfini = 1;
}
/* If we have no auxiliary objects just go on to the next map. */
@@ -681,6 +682,7 @@ Filters not supported with LD_TRACE_PRELINKING"));
l_initfini[nlist] = NULL;
atomic_write_barrier ();
map->l_initfini = l_initfini;
+ map->l_free_initfini = 1;
if (l_reldeps != NULL)
{
atomic_write_barrier ();
@@ -689,5 +691,5 @@ Filters not supported with LD_TRACE_PRELINKING"));
_dl_scope_free (old_l_reldeps);
}
if (old_l_initfini != NULL)
- map->l_orig_initfini = old_l_initfini;
+ _dl_scope_free (old_l_initfini);
}
diff --git a/elf/dl-libc.c b/elf/dl-libc.c
index 7be9483..a13fce3 100644
--- a/elf/dl-libc.c
+++ b/elf/dl-libc.c
@@ -265,13 +265,13 @@ libc_freeres_fn (free_mem)
for (Lmid_t ns = 0; ns < GL(dl_nns); ++ns)
{
- /* Remove all additional names added to the objects. */
for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
{
struct libname_list *lnp = l->l_libname->next;
l->l_libname->next = NULL;
+ /* Remove all additional names added to the objects. */
while (lnp != NULL)
{
struct libname_list *old = lnp;
@@ -279,6 +279,10 @@ libc_freeres_fn (free_mem)
if (! old->dont_free)
free (old);
}
+
+ /* Free the initfini dependency list. */
+ if (l->l_free_initfini)
+ free (l->l_initfini);
}
if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
diff --git a/elf/rtld.c b/elf/rtld.c
index 4a9109e..617e30e 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -2251,6 +2251,7 @@ ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n",
lnp->dont_free = 1;
lnp = lnp->next;
}
+ l->l_free_initfini = 0;
if (l != &GL(dl_rtld_map))
_dl_relocate_object (l, l->l_scope, GLRO(dl_lazy) ? RTLD_LAZY : 0,
diff --git a/include/link.h b/include/link.h
index e877104..051b99a 100644
--- a/include/link.h
+++ b/include/link.h
@@ -1,6 +1,6 @@
/* Data structure for communication from the run-time dynamic linker for
loaded ELF shared objects.
- Copyright (C) 1995-2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1995-2006, 2007, 2009, 2010 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
@@ -192,6 +192,9 @@ struct link_map
during LD_TRACE_PRELINKING=1
contains any DT_SYMBOLIC
libraries. */
+ unsigned int l_free_initfini:1; /* Nonzero if l_initfini can be
+ freed, ie. not allocated with
+ the dummy malloc in ld.so. */
/* Collected information about own RPATH directories. */
struct r_search_path_struct l_rpath_dirs;
@@ -240,9 +243,6 @@ struct link_map
/* List of object in order of the init and fini calls. */
struct link_map **l_initfini;
- /* The init and fini list generated at startup, saved when the
- object is also loaded dynamically. */
- struct link_map **l_orig_initfini;
/* List of the dependencies introduced through symbol binding. */
struct link_map_reldeps
|
