1 /* Shared library declarations for GDB, the GNU Debugger.
2 Copyright (C) 1992, 1998 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. */
21 /* Forward decl's for prototypes */
24 /* Called when we free all symtabs, to free the shared library information
27 #define CLEAR_SOLIB clear_solib
29 extern void clear_solib (void);
31 /* Called to add symbols from a shared library to gdb's symbol table. */
33 #define SOLIB_ADD(filename, from_tty, targ) \
34 solib_add (filename, from_tty, targ)
36 extern void solib_add (char *, int, struct target_ops *);
38 /* Function to be called when the inferior starts up, to discover the names
39 of shared libraries that are dynamically linked, the base addresses to
40 which they are linked, and sufficient information to read in their symbols
43 #define SOLIB_CREATE_INFERIOR_HOOK(PID) solib_create_inferior_hook()
45 /* Function to be called to remove the connection between debugger and
46 dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK.
47 (This operation does not remove shared library information from
48 the debugger, as CLEAR_SOLIB does.)
50 This functionality is presently not implemented for this target.
52 #define SOLIB_REMOVE_INFERIOR_HOOK(PID) (0)
54 extern void solib_create_inferior_hook (void); /* solib.c */
56 /* This function is called by the "catch load" command. It allows
57 the debugger to be notified by the dynamic linker when a specified
58 library file (or any library file, if filename is NULL) is loaded.
60 Presently, this functionality is not implemented.
62 #define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag,filename,cond_string) \
63 error("catch of library loads/unloads not yet implemented on this platform")
65 /* This function is called by the "catch unload" command. It allows
66 the debugger to be notified by the dynamic linker when a specified
67 library file (or any library file, if filename is NULL) is unloaded.
69 Presently, this functionality is not implemented.
71 #define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename,cond_string) \
72 error("catch of library loads/unloads not yet implemented on this platform")
74 /* This function returns TRUE if the dynamic linker has just reported
77 This function must be used only when the inferior has stopped in
78 the dynamic linker hook, or undefined results are guaranteed.
80 Presently, this functionality is not implemented.
84 #define SOLIB_HAVE_LOAD_EVENT(pid) \
85 error("catch of library loads/unloads not yet implemented on this platform")
88 #define SOLIB_HAVE_LOAD_EVENT(pid) \
91 /* This function returns a pointer to the string representation of the
92 pathname of the dynamically-linked library that has just been loaded.
94 This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE,
95 or undefined results are guaranteed.
97 This string's contents are only valid immediately after the inferior
98 has stopped in the dynamic linker hook, and becomes invalid as soon
99 as the inferior is continued. Clients should make a copy of this
100 string if they wish to continue the inferior and then access the string.
102 Presently, this functionality is not implemented.
106 #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
107 error("catch of library loads/unloads not yet implemented on this platform")
110 #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
113 /* This function returns TRUE if the dynamic linker has just reported
114 an unload of a library.
116 This function must be used only when the inferior has stopped in
117 the dynamic linker hook, or undefined results are guaranteed.
119 Presently, this functionality is not implemented.
122 #define SOLIB_HAVE_UNLOAD_EVENT(pid) \
123 error("catch of library loads/unloads not yet implemented on this platform")
126 #define SOLIB_HAVE_UNLOAD_EVENT(pid) \
129 /* This function returns a pointer to the string representation of the
130 pathname of the dynamically-linked library that has just been unloaded.
132 This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE,
133 or undefined results are guaranteed.
135 This string's contents are only valid immediately after the inferior
136 has stopped in the dynamic linker hook, and becomes invalid as soon
137 as the inferior is continued. Clients should make a copy of this
138 string if they wish to continue the inferior and then access the string.
140 Presently, this functionality is not implemented.
143 #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
144 error("catch of library loads/unloads not yet implemented on this platform")
147 #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
150 /* This function returns TRUE if pc is the address of an instruction that
151 lies within the dynamic linker (such as the event hook, or the dld
154 This function must be used only when a dynamic linker event has been
155 caught, and the inferior is being stepped out of the hook, or undefined
156 results are guaranteed.
158 Presently, this functionality is not implemented.
162 #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
163 error("catch of library loads/unloads not yet implemented on this platform")
166 #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
169 /* This function must be called when the inferior is killed, and the program
170 restarted. This is not the same as CLEAR_SOLIB, in that it doesn't discard
173 Presently, this functionality is not implemented.
175 #define SOLIB_RESTART() \
178 /* If we can't set a breakpoint, and it's in a shared library, just
181 #define DISABLE_UNSETTABLE_BREAK(addr) (solib_address(addr) != NULL)
183 extern char *solib_address (CORE_ADDR); /* solib.c */
185 /* If ADDR lies in a shared library, return its name. */
187 #define PC_SOLIB(addr) solib_address (addr)
189 #ifdef SVR4_SHARED_LIBS
191 /* Return 1 if PC lies in the dynamic symbol resolution code of the
192 SVR4 run time loader. */
194 #define IN_SOLIB_DYNSYM_RESOLVE_CODE(pc) in_svr4_dynsym_resolve_code (pc)
196 extern int in_svr4_dynsym_resolve_code (CORE_ADDR);