1 /* Handle COFF SVR3 shared libraries for GDB, the GNU Debugger.
2 Copyright 1993 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
33 coff_solib_add -- add a shared library files to the symtab list. We
34 examine the `.lib' section of the exec file and determine the names of
37 This function is responsible for discovering those names and
38 addresses, and saving sufficient information about them to allow
39 their symbols to be read at a later time.
43 void coff_solib_add (char *arg_string, int from_tty,
44 struct target_ops *target)
51 coff_solib_add (char *arg_string, int from_tty, struct target_ops *target)
55 libsect = bfd_get_section_by_name (exec_bfd, ".lib");
64 bfd_byte nameoffset[4];
67 libsize = bfd_section_size (exec_bfd, libsect);
69 lib = (unsigned char *) alloca (libsize);
71 bfd_get_section_contents (exec_bfd, libsect, lib, 0, libsize);
76 struct objfile *objfile;
80 ent = (struct libent *) lib;
82 len = bfd_get_32 (exec_bfd, ent->len);
84 nameoffset = bfd_get_32 (exec_bfd, ent->nameoffset);
89 filename = (char *) ent + nameoffset * 4;
91 objfile = symbol_file_add (filename, from_tty,
92 NULL, /* no offsets */
94 OBJF_SHARED); /* flags */
100 /* Getting new symbols may change our opinion about what is
102 reinit_frame_cache ();
110 coff_solib_create_inferior_hook -- shared library startup support
114 void coff_solib_create_inferior_hook()
118 When gdb starts up the inferior, the kernel maps in the shared
119 libraries. We get here with the target stopped at it's first
120 instruction, and the libraries already mapped. At this point, this
121 function gets called via expansion of the macro
122 SOLIB_CREATE_INFERIOR_HOOK.
126 coff_solib_create_inferior_hook (void)
128 coff_solib_add ((char *) 0, 0, (struct target_ops *) 0);