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ead291d4 SG |
1 | /* COFF (SVR3) Shared library declarations for GDB, the GNU Debugger. |
2 | Copyright (C) 1992 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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 | |
6c9638b4 | 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
ead291d4 SG |
19 | |
20 | #ifdef __STDC__ /* Forward decl's for prototypes */ | |
21 | struct target_ops; | |
22 | #endif | |
23 | ||
24 | /* Called when we free all symtabs, to free the shared library information | |
25 | as well. */ | |
26 | ||
27 | #if 0 | |
28 | #define CLEAR_SOLIB coff_clear_solib | |
29 | ||
30 | extern void | |
31 | coff_clear_solib PARAMS ((void)); | |
32 | #endif | |
33 | ||
34 | /* Called to add symbols from a shared library to gdb's symbol table. */ | |
35 | ||
36 | #define SOLIB_ADD(filename, from_tty, targ) \ | |
37 | coff_solib_add (filename, from_tty, targ) | |
38 | ||
39 | extern void | |
40 | coff_solib_add PARAMS ((char *, int, struct target_ops *)); | |
41 | ||
42 | /* Function to be called when the inferior starts up, to discover the names | |
43 | of shared libraries that are dynamically linked, the base addresses to | |
44 | which they are linked, and sufficient information to read in their symbols | |
45 | at a later time. */ | |
46 | ||
47 | #define SOLIB_CREATE_INFERIOR_HOOK(PID) coff_solib_create_inferior_hook() | |
48 | ||
49 | extern void | |
50 | coff_solib_create_inferior_hook PARAMS((void)); /* solib.c */ | |
51 | ||
4770ff08 DT |
52 | /* Function to be called to remove the connection between debugger and |
53 | dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK. | |
54 | (This operation does not remove shared library information from | |
55 | the debugger, as CLEAR_SOLIB does.) | |
56 | ||
57 | This functionality is presently not implemented for this target. | |
58 | */ | |
59 | #define SOLIB_REMOVE_INFERIOR_HOOK(PID) (0) | |
60 | ||
61 | /* This function is called by the "catch load" command. It allows | |
62 | the debugger to be notified by the dynamic linker when a specified | |
63 | library file (or any library file, if filename is NULL) is loaded. | |
64 | ||
65 | Presently, this functionality is not implemented. | |
66 | */ | |
67 | #define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag,filename,cond_string) \ | |
68 | error("catch of library loads/unloads not yet implemented on this platform") | |
69 | ||
70 | /* This function is called by the "catch unload" command. It allows | |
71 | the debugger to be notified by the dynamic linker when a specified | |
72 | library file (or any library file, if filename is NULL) is unloaded. | |
73 | ||
74 | Presently, this functionality is not implemented. | |
75 | */ | |
76 | #define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename,cond_string) \ | |
77 | error("catch of library loads/unloads not yet implemented on this platform") | |
78 | ||
79 | /* This function returns TRUE if the dynamic linker has just reported | |
80 | a load of a library. | |
81 | ||
82 | This function must be used only when the inferior has stopped in | |
83 | the dynamic linker hook, or undefined results are guaranteed. | |
84 | ||
85 | Presently, this functionality is not implemented. | |
86 | */ | |
87 | /* | |
88 | #define SOLIB_HAVE_LOAD_EVENT(pid) \ | |
89 | error("catch of library loads/unloads not yet implemented on this platform") | |
90 | */ | |
91 | ||
92 | #define SOLIB_HAVE_LOAD_EVENT(pid) \ | |
93 | (0) | |
94 | ||
95 | /* This function returns a pointer to the string representation of the | |
96 | pathname of the dynamically-linked library that has just been loaded. | |
97 | ||
98 | This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE, | |
99 | or undefined results are guaranteed. | |
100 | ||
101 | This string's contents are only valid immediately after the inferior | |
102 | has stopped in the dynamic linker hook, and becomes invalid as soon | |
103 | as the inferior is continued. Clients should make a copy of this | |
104 | string if they wish to continue the inferior and then access the string. | |
105 | ||
106 | Presently, this functionality is not implemented. | |
107 | */ | |
108 | ||
109 | /* | |
110 | #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \ | |
111 | error("catch of library loads/unloads not yet implemented on this platform") | |
112 | */ | |
113 | ||
114 | #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \ | |
115 | (0) | |
116 | ||
117 | /* This function returns TRUE if the dynamic linker has just reported | |
118 | an unload of a library. | |
119 | ||
120 | This function must be used only when the inferior has stopped in | |
121 | the dynamic linker hook, or undefined results are guaranteed. | |
122 | ||
123 | Presently, this functionality is not implemented. | |
124 | */ | |
125 | /* | |
126 | #define SOLIB_HAVE_UNLOAD_EVENT(pid) \ | |
127 | error("catch of library loads/unloads not yet implemented on this platform") | |
128 | */ | |
129 | ||
130 | #define SOLIB_HAVE_UNLOAD_EVENT(pid) \ | |
131 | (0) | |
132 | ||
133 | /* This function returns a pointer to the string representation of the | |
134 | pathname of the dynamically-linked library that has just been unloaded. | |
135 | ||
136 | This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE, | |
137 | or undefined results are guaranteed. | |
138 | ||
139 | This string's contents are only valid immediately after the inferior | |
140 | has stopped in the dynamic linker hook, and becomes invalid as soon | |
141 | as the inferior is continued. Clients should make a copy of this | |
142 | string if they wish to continue the inferior and then access the string. | |
143 | ||
144 | Presently, this functionality is not implemented. | |
145 | */ | |
146 | /* | |
147 | #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \ | |
148 | error("catch of library loads/unloads not yet implemented on this platform") | |
149 | */ | |
150 | ||
151 | #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \ | |
152 | (0) | |
153 | ||
154 | /* This function returns TRUE if pc is the address of an instruction that | |
155 | lies within the dynamic linker (such as the event hook, or the dld | |
156 | itself). | |
157 | ||
158 | This function must be used only when a dynamic linker event has been | |
159 | caught, and the inferior is being stepped out of the hook, or undefined | |
160 | results are guaranteed. | |
161 | ||
162 | Presently, this functionality is not implemented. | |
163 | */ | |
164 | ||
165 | /* | |
166 | #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ | |
167 | error("catch of library loads/unloads not yet implemented on this platform") | |
168 | */ | |
169 | ||
170 | #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ | |
171 | (0) | |
172 | ||
173 | /* This function must be called when the inferior is killed, and the program | |
174 | restarted. This is not the same as CLEAR_SOLIB, in that it doesn't discard | |
175 | any symbol tables. | |
176 | ||
177 | Presently, this functionality is not implemented. | |
178 | */ | |
179 | #define SOLIB_RESTART() \ | |
180 | (0) | |
181 | ||
ead291d4 SG |
182 | /* If we can't set a breakpoint, and it's in a shared library, just |
183 | disable it. */ | |
184 | ||
185 | #if 0 | |
186 | #define DISABLE_UNSETTABLE_BREAK(addr) coff_solib_address(addr) | |
187 | ||
188 | extern int | |
189 | solib_address PARAMS ((CORE_ADDR)); /* solib.c */ | |
190 | #endif |