]>
sourceware.org Git - glibc.git/blob - elf/dl-init.c
1 /* Return the next shared object initializer function not yet run.
2 Copyright (C) 1995 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
18 Cambridge, MA 02139, USA. */
30 Elf32_Addr
next_init (struct link_map
*l
)
33 /* This object is all done. */
35 if (l
->l_init_running
)
37 /* This object's initializer was just running.
38 Now mark it as having run, so this object
39 will be skipped in the future. */
41 l
->l_init_running
= 0;
45 if (l
->l_info
[DT_NEEDED
])
47 /* Find each dependency in order, and see if it
48 needs to run an initializer. */
50 = ((void *) l
->l_addr
+ l
->l_info
[DT_STRTAB
]->d_un
.d_ptr
);
52 for (d
= l
->l_ld
; d
->d_tag
!= DT_NULL
; ++d
)
53 if (d
->d_tag
== DT_NEEDED
)
55 struct link_map
*needed
56 = _dl_map_object (l
, strtab
+ d
->d_un
.d_val
, NULL
);
58 --needed
->l_opencount
;
59 init
= next_init (needed
); /* Recurse on this dependency. */
65 if (l
->l_info
[DT_INIT
])
67 /* Run this object's initializer. */
68 l
->l_init_running
= 1;
69 return l
->l_addr
+ l
->l_info
[DT_INIT
]->d_un
.d_ptr
;
72 /* No initializer for this object.
73 Mark it so we will skip it in the future. */
78 /* Look for the first initializer not yet called. */
79 l
= _dl_loaded
->l_next
; /* Skip the executable itself. */
85 while (init
== 0 && l
);
This page took 0.040377 seconds and 5 git commands to generate.