1 /* Handle COFF SVR3 shared libraries for GDB, the GNU Debugger.
2 Copyright (C) 1993, 1994, 1998, 1999, 2000, 2007
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
36 coff_solib_add -- add a shared library files to the symtab list. We
37 examine the `.lib' section of the exec file and determine the names of
40 This function is responsible for discovering those names and
41 addresses, and saving sufficient information about them to allow
42 their symbols to be read at a later time.
46 void coff_solib_add (char *arg_string, int from_tty,
47 struct target_ops *target, int readsyms)
54 coff_solib_add (char *arg_string
, int from_tty
, struct target_ops
*target
, int readsyms
)
61 libsect
= bfd_get_section_by_name (exec_bfd
, ".lib");
70 bfd_byte nameoffset
[4];
73 libsize
= bfd_section_size (exec_bfd
, libsect
);
75 lib
= (unsigned char *) alloca (libsize
);
77 bfd_get_section_contents (exec_bfd
, libsect
, lib
, 0, libsize
);
82 struct objfile
*objfile
;
86 ent
= (struct libent
*) lib
;
88 len
= bfd_get_32 (exec_bfd
, ent
->len
);
90 nameoffset
= bfd_get_32 (exec_bfd
, ent
->nameoffset
);
95 filename
= (char *) ent
+ nameoffset
* 4;
97 objfile
= symbol_file_add (filename
, from_tty
,
98 NULL
, /* no offsets */
100 OBJF_SHARED
); /* flags */
106 /* Getting new symbols may change our opinion about what is
108 reinit_frame_cache ();
116 coff_solib_create_inferior_hook -- shared library startup support
120 void coff_solib_create_inferior_hook ()
124 When gdb starts up the inferior, the kernel maps in the shared
125 libraries. We get here with the target stopped at it's first
126 instruction, and the libraries already mapped. At this point, this
127 function gets called via expansion of the macro
128 SOLIB_CREATE_INFERIOR_HOOK.
132 coff_solib_create_inferior_hook (void)
134 coff_solib_add ((char *) 0, 0, (struct target_ops
*) 0, auto_solib_add
);
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