1 /* Shared library support for RS/6000 (xcoff) object files, for GDB.
2 Copyright (C) 1991, 1992, 1995, 1996, 1999, 2000, 2001, 2007, 2008, 2009,
3 2010 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 3 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, see <http://www.gnu.org/licenses/>. */
23 #include "xcoffsolib.h"
28 #include "gdb_regex.h"
31 /* If ADDR lies in a shared library, return its name.
32 Note that returned name points to static data whose content is overwritten
36 xcoff_solib_address (CORE_ADDR addr)
38 static char *buffer = NULL;
39 struct vmap *vp = vmap;
41 /* The first vmap entry is for the exec file. */
45 for (vp = vp->nxt; vp; vp = vp->nxt)
46 if (vp->tstart <= addr && addr < vp->tend)
49 buffer = xstrprintf ("%s%s%s%s",
51 *vp->member ? "(" : "",
53 *vp->member ? ")" : "");
59 static void solib_info (char *, int);
60 static void sharedlibrary_command (char *pattern, int from_tty);
63 solib_info (char *args, int from_tty)
65 int addr_size = gdbarch_addr_bit (target_gdbarch) / 8;
66 struct vmap *vp = vmap;
68 /* Check for new shared libraries loaded with load (). */
69 if (! ptid_equal (inferior_ptid, null_ptid))
70 xcoff_relocate_symtab (PIDGET (inferior_ptid));
72 if (vp == NULL || vp->nxt == NULL)
74 printf_unfiltered ("No shared libraries loaded at this time.\n");
78 /* Skip over the first vmap, it is the main program, always loaded. */
82 Text Range Data Range Syms Shared Object Library\n");
84 for (; vp != NULL; vp = vp->nxt)
86 printf_unfiltered ("0x%s-0x%s 0x%s-0x%s %s %s%s%s%s\n",
87 phex (vp->tstart, addr_size),
88 phex (vp->tend, addr_size),
89 phex (vp->dstart, addr_size),
90 phex (vp->dend, addr_size),
91 vp->loaded ? "Yes" : "No ",
93 *vp->member ? "(" : "",
95 *vp->member ? ")" : "");
100 sharedlibrary_command (char *pattern, int from_tty)
104 /* Check for new shared libraries loaded with load (). */
105 if (! ptid_equal (inferior_ptid, null_ptid))
106 xcoff_relocate_symtab (PIDGET (inferior_ptid));
110 char *re_err = re_comp (pattern);
113 error (_("Invalid regexp: %s"), re_err);
116 /* Walk the list of currently loaded shared libraries, and read
117 symbols for any that match the pattern --- or any whose symbols
118 aren't already loaded, if no pattern was given. */
121 int loaded_any_symbols = 0;
122 struct vmap *vp = vmap;
127 /* skip over the first vmap, it is the main program, always loaded. */
128 for (vp = vp->nxt; vp; vp = vp->nxt)
130 || re_exec (vp->name)
131 || (*vp->member && re_exec (vp->member)))
138 printf_unfiltered ("Symbols already loaded for %s\n",
143 if (vmap_add_symbols (vp))
144 loaded_any_symbols = 1;
148 if (from_tty && pattern && ! any_matches)
150 ("No loaded shared libraries match the pattern `%s'.\n", pattern);
152 if (loaded_any_symbols)
154 /* Getting new symbols may change our opinion about what is
156 reinit_frame_cache ();
162 _initialize_xcoffsolib (void)
164 add_com ("sharedlibrary", class_files, sharedlibrary_command,
165 _("Load shared object library symbols for files matching REGEXP."));
166 add_info ("sharedlibrary", solib_info,
167 _("Status of loaded shared object libraries"));
169 add_setshow_boolean_cmd ("auto-solib-add", class_support,
170 &auto_solib_add, _("\
171 Set autoloading of shared library symbols."), _("\
172 Show autoloading of shared library symbols."), _("\
173 If \"on\", symbols from all shared object libraries will be loaded\n\
174 automatically when the inferior begins execution, when the dynamic linker\n\
175 informs gdb that a new library has been loaded, or when attaching to the\n\
176 inferior. Otherwise, symbols must be loaded manually, using `sharedlibrary'."),
178 NULL, /* FIXME: i18n: */
179 &setlist, &showlist);