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sourceware.org Git - glibc.git/blob - elf/dl-init.c
6fcac75a6043e729b0344d517249c3faf04b1098
1 /* Return the next shared object initializer function not yet run.
2 Copyright (C) 1995, 1996, 1998 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 not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
24 /* Run initializers for MAP and its dependencies, in inverse dependency
25 order (that is, leaf nodes first). */
28 _dl_init_next (struct link_map
*map
)
32 /* The search list for symbol lookup is a flat list in top-down
33 dependency order, so processing that list from back to front gets us
34 breadth-first leaf-to-root order. */
36 i
= map
->l_nsearchlist
;
39 struct link_map
*l
= map
->l_searchlist
[i
];
42 /* This object is all done. */
45 if (l
->l_init_running
)
47 /* This object's initializer was just running.
48 Now mark it as having run, so this object
49 will be skipped in the future. */
50 l
->l_init_running
= 0;
55 if (l
->l_info
[DT_INIT
] &&
56 !(l
->l_name
[0] == '\0' && l
->l_type
== lt_executable
))
58 /* Run this object's initializer. */
59 l
->l_init_running
= 1;
61 /* Print a debug message if wanted. */
62 if (_dl_debug_impcalls
)
63 _dl_debug_message ("\tcalling init: ",
64 l
->l_name
[0] ? l
->l_name
: _dl_argv
[0],
67 return l
->l_addr
+ l
->l_info
[DT_INIT
]->d_un
.d_ptr
;
70 /* No initializer for this object.
71 Mark it so we will skip it in the future. */
76 /* Notify the debugger all new objects are now ready to go. */
77 _r_debug
.r_state
= RT_CONSISTENT
;
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