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c906108c SS |
1 | /* Shared library declarations for GDB, the GNU Debugger. |
2 | Copyright (C) 1992, 1998 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
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. | |
c906108c | 10 | |
c5aa993b JM |
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. | |
c906108c | 15 | |
c5aa993b JM |
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. */ | |
c906108c | 20 | |
104c1213 | 21 | /* Forward decl's for prototypes */ |
c906108c | 22 | struct target_ops; |
c906108c SS |
23 | |
24 | /* Called when we free all symtabs, to free the shared library information | |
25 | as well. */ | |
26 | ||
27 | #define CLEAR_SOLIB clear_solib | |
28 | ||
a14ed312 | 29 | extern void clear_solib (void); |
c906108c SS |
30 | |
31 | /* Called to add symbols from a shared library to gdb's symbol table. */ | |
32 | ||
33 | #define SOLIB_ADD(filename, from_tty, targ) \ | |
34 | solib_add (filename, from_tty, targ) | |
35 | ||
a14ed312 | 36 | extern void solib_add (char *, int, struct target_ops *); |
c906108c SS |
37 | |
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 | |
41 | at a later time. */ | |
42 | ||
43 | #define SOLIB_CREATE_INFERIOR_HOOK(PID) solib_create_inferior_hook() | |
44 | ||
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.) | |
49 | ||
50 | This functionality is presently not implemented for this target. | |
c5aa993b | 51 | */ |
c906108c SS |
52 | #define SOLIB_REMOVE_INFERIOR_HOOK(PID) (0) |
53 | ||
a14ed312 | 54 | extern void solib_create_inferior_hook (void); /* solib.c */ |
c906108c SS |
55 | |
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. | |
59 | ||
60 | Presently, this functionality is not implemented. | |
c5aa993b | 61 | */ |
c906108c SS |
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") | |
64 | ||
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. | |
68 | ||
69 | Presently, this functionality is not implemented. | |
c5aa993b | 70 | */ |
c906108c SS |
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") | |
73 | ||
74 | /* This function returns TRUE if the dynamic linker has just reported | |
75 | a load of a library. | |
76 | ||
77 | This function must be used only when the inferior has stopped in | |
78 | the dynamic linker hook, or undefined results are guaranteed. | |
79 | ||
80 | Presently, this functionality is not implemented. | |
c5aa993b | 81 | */ |
c906108c SS |
82 | |
83 | /* | |
c5aa993b JM |
84 | #define SOLIB_HAVE_LOAD_EVENT(pid) \ |
85 | error("catch of library loads/unloads not yet implemented on this platform") | |
86 | */ | |
c906108c SS |
87 | |
88 | #define SOLIB_HAVE_LOAD_EVENT(pid) \ | |
89 | (0) | |
90 | ||
91 | /* This function returns a pointer to the string representation of the | |
92 | pathname of the dynamically-linked library that has just been loaded. | |
93 | ||
94 | This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE, | |
95 | or undefined results are guaranteed. | |
96 | ||
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. | |
101 | ||
102 | Presently, this functionality is not implemented. | |
c5aa993b | 103 | */ |
c906108c SS |
104 | |
105 | /* | |
c5aa993b | 106 | #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \ |
c906108c | 107 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 108 | */ |
c906108c SS |
109 | |
110 | #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \ | |
111 | (0) | |
112 | ||
113 | /* This function returns TRUE if the dynamic linker has just reported | |
114 | an unload of a library. | |
115 | ||
116 | This function must be used only when the inferior has stopped in | |
117 | the dynamic linker hook, or undefined results are guaranteed. | |
118 | ||
119 | Presently, this functionality is not implemented. | |
c5aa993b | 120 | */ |
c906108c | 121 | /* |
c5aa993b | 122 | #define SOLIB_HAVE_UNLOAD_EVENT(pid) \ |
c906108c | 123 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 124 | */ |
c906108c SS |
125 | |
126 | #define SOLIB_HAVE_UNLOAD_EVENT(pid) \ | |
127 | (0) | |
128 | ||
129 | /* This function returns a pointer to the string representation of the | |
130 | pathname of the dynamically-linked library that has just been unloaded. | |
131 | ||
132 | This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE, | |
133 | or undefined results are guaranteed. | |
134 | ||
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. | |
139 | ||
140 | Presently, this functionality is not implemented. | |
c5aa993b | 141 | */ |
c906108c | 142 | /* |
c5aa993b | 143 | #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \ |
c906108c | 144 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 145 | */ |
c906108c SS |
146 | |
147 | #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \ | |
148 | (0) | |
149 | ||
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 | |
152 | itself). | |
153 | ||
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. | |
157 | ||
158 | Presently, this functionality is not implemented. | |
c5aa993b | 159 | */ |
c906108c SS |
160 | |
161 | /* | |
c5aa993b | 162 | #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ |
c906108c | 163 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 164 | */ |
c906108c SS |
165 | |
166 | #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ | |
167 | (0) | |
168 | ||
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 | |
171 | any symbol tables. | |
172 | ||
173 | Presently, this functionality is not implemented. | |
c5aa993b | 174 | */ |
c906108c SS |
175 | #define SOLIB_RESTART() \ |
176 | (0) | |
177 | ||
178 | /* If we can't set a breakpoint, and it's in a shared library, just | |
179 | disable it. */ | |
180 | ||
181 | #define DISABLE_UNSETTABLE_BREAK(addr) (solib_address(addr) != NULL) | |
182 | ||
a14ed312 | 183 | extern char *solib_address (CORE_ADDR); /* solib.c */ |
c906108c SS |
184 | |
185 | /* If ADDR lies in a shared library, return its name. */ | |
186 | ||
187 | #define PC_SOLIB(addr) solib_address (addr) | |
188 | ||
189 | #ifdef SVR4_SHARED_LIBS | |
190 | ||
191 | /* Return 1 if PC lies in the dynamic symbol resolution code of the | |
192 | SVR4 run time loader. */ | |
193 | ||
194 | #define IN_SOLIB_DYNSYM_RESOLVE_CODE(pc) in_svr4_dynsym_resolve_code (pc) | |
195 | ||
a14ed312 | 196 | extern int in_svr4_dynsym_resolve_code (CORE_ADDR); |
c906108c SS |
197 | |
198 | #endif |