1 /* Shared library support for RS/6000 (xcoff) object files, for GDB.
2 Copyright 1991, 1992, 1995, 1996, 1999, 2000, 2001
3 Free Software Foundation, Inc.
4 Contributed by IBM Corporation.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
25 #include "xcoffsolib.h"
30 #include "gdb_regex.h"
33 /* If ADDR lies in a shared library, return its name.
34 Note that returned name points to static data whose content is overwritten
38 xcoff_solib_address (CORE_ADDR addr)
40 static char *buffer = NULL;
41 struct vmap *vp = vmap;
43 /* The first vmap entry is for the exec file. */
47 for (vp = vp->nxt; vp; vp = vp->nxt)
48 if (vp->tstart <= addr && addr < vp->tend)
51 buffer = xstrprintf ("%s%s%s%s",
53 *vp->member ? "(" : "",
55 *vp->member ? ")" : "");
61 static void solib_info (char *, int);
62 static void sharedlibrary_command (char *pattern, int from_tty);
65 solib_info (char *args, int from_tty)
67 struct vmap *vp = vmap;
69 /* Check for new shared libraries loaded with load (). */
70 if (! ptid_equal (inferior_ptid, null_ptid))
71 xcoff_relocate_symtab (PIDGET (inferior_ptid));
73 if (vp == NULL || vp->nxt == NULL)
75 printf_unfiltered ("No shared libraries loaded at this time.\n");
79 /* Skip over the first vmap, it is the main program, always loaded. */
83 Text Range Data Range Syms Shared Object Library\n");
85 for (; vp != NULL; vp = vp->nxt)
87 printf_unfiltered ("0x%s-0x%s 0x%s-0x%s %s %s%s%s%s\n",
88 paddr (vp->tstart),paddr (vp->tend),
89 paddr (vp->dstart), paddr (vp->dend),
90 vp->loaded ? "Yes" : "No ",
92 *vp->member ? "(" : "",
94 *vp->member ? ")" : "");
99 sharedlibrary_command (char *pattern, int from_tty)
103 /* Check for new shared libraries loaded with load (). */
104 if (! ptid_equal (inferior_ptid, null_ptid))
105 xcoff_relocate_symtab (PIDGET (inferior_ptid));
109 char *re_err = re_comp (pattern);
112 error (_("Invalid regexp: %s"), re_err);
115 /* Walk the list of currently loaded shared libraries, and read
116 symbols for any that match the pattern --- or any whose symbols
117 aren't already loaded, if no pattern was given. */
120 int loaded_any_symbols = 0;
121 struct vmap *vp = vmap;
126 /* skip over the first vmap, it is the main program, always loaded. */
127 for (vp = vp->nxt; vp; vp = vp->nxt)
129 || re_exec (vp->name)
130 || (*vp->member && re_exec (vp->member)))
137 printf_unfiltered ("Symbols already loaded for %s\n",
142 if (vmap_add_symbols (vp))
143 loaded_any_symbols = 1;
147 if (from_tty && pattern && ! any_matches)
149 ("No loaded shared libraries match the pattern `%s'.\n", pattern);
151 if (loaded_any_symbols)
153 /* Getting new symbols may change our opinion about what is
155 reinit_frame_cache ();
162 no_shared_libraries -- handle command to explicitly discard symbols
163 from shared libraries.
167 Implements the command "nosharedlibrary", which discards symbols
168 that have been auto-loaded from shared libraries. Symbols from
169 shared libraries that were added by explicit request of the user
170 are not discarded. Also called from remote.c. */
173 no_shared_libraries (char *ignored, int from_tty)
179 _initialize_xcoffsolib (void)
181 add_com ("sharedlibrary", class_files, sharedlibrary_command,
182 _("Load shared object library symbols for files matching REGEXP."));
183 add_info ("sharedlibrary", solib_info,
184 _("Status of loaded shared object libraries"));
186 add_setshow_boolean_cmd ("auto-solib-add", class_support,
187 &auto_solib_add, _("\
188 Set autoloading of shared library symbols."), _("\
189 Show autoloading of shared library symbols."), _("\
190 If \"on\", symbols from all shared object libraries will be loaded\n\
191 automatically when the inferior begins execution, when the dynamic linker\n\
192 informs gdb that a new library has been loaded, or when attaching to the\n\
193 inferior. Otherwise, symbols must be loaded manually, using `sharedlibrary'."),
195 NULL, /* FIXME: i18n: */
196 &setlist, &showlist);