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c906108c SS |
1 | /* COFF (SVR3) Shared library declarations for GDB, the GNU Debugger. |
2 | Copyright (C) 1992 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 | |
c5aa993b | 21 | #ifdef __STDC__ /* Forward decl's for prototypes */ |
c906108c SS |
22 | struct target_ops; |
23 | #endif | |
24 | ||
25 | /* Called when we free all symtabs, to free the shared library information | |
26 | as well. */ | |
27 | ||
28 | #if 0 | |
29 | #define CLEAR_SOLIB coff_clear_solib | |
30 | ||
31 | extern void | |
32 | coff_clear_solib PARAMS ((void)); | |
33 | #endif | |
34 | ||
35 | /* Called to add symbols from a shared library to gdb's symbol table. */ | |
36 | ||
37 | #define SOLIB_ADD(filename, from_tty, targ) \ | |
38 | coff_solib_add (filename, from_tty, targ) | |
39 | ||
40 | extern void | |
41 | coff_solib_add PARAMS ((char *, int, struct target_ops *)); | |
42 | ||
43 | /* Function to be called when the inferior starts up, to discover the names | |
44 | of shared libraries that are dynamically linked, the base addresses to | |
45 | which they are linked, and sufficient information to read in their symbols | |
46 | at a later time. */ | |
47 | ||
48 | #define SOLIB_CREATE_INFERIOR_HOOK(PID) coff_solib_create_inferior_hook() | |
49 | ||
50 | extern void | |
c5aa993b | 51 | coff_solib_create_inferior_hook PARAMS ((void)); /* solib.c */ |
c906108c SS |
52 | |
53 | /* Function to be called to remove the connection between debugger and | |
54 | dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK. | |
55 | (This operation does not remove shared library information from | |
56 | the debugger, as CLEAR_SOLIB does.) | |
57 | ||
58 | This functionality is presently not implemented for this target. | |
c5aa993b | 59 | */ |
c906108c SS |
60 | #define SOLIB_REMOVE_INFERIOR_HOOK(PID) (0) |
61 | ||
62 | /* This function is called by the "catch load" command. It allows | |
63 | the debugger to be notified by the dynamic linker when a specified | |
64 | library file (or any library file, if filename is NULL) is loaded. | |
65 | ||
66 | Presently, this functionality is not implemented. | |
c5aa993b | 67 | */ |
c906108c SS |
68 | #define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag,filename,cond_string) \ |
69 | error("catch of library loads/unloads not yet implemented on this platform") | |
70 | ||
71 | /* This function is called by the "catch unload" command. It allows | |
72 | the debugger to be notified by the dynamic linker when a specified | |
73 | library file (or any library file, if filename is NULL) is unloaded. | |
74 | ||
75 | Presently, this functionality is not implemented. | |
c5aa993b | 76 | */ |
c906108c SS |
77 | #define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename,cond_string) \ |
78 | error("catch of library loads/unloads not yet implemented on this platform") | |
79 | ||
80 | /* This function returns TRUE if the dynamic linker has just reported | |
81 | a load of a library. | |
82 | ||
83 | This function must be used only when the inferior has stopped in | |
84 | the dynamic linker hook, or undefined results are guaranteed. | |
85 | ||
86 | Presently, this functionality is not implemented. | |
c5aa993b | 87 | */ |
c906108c | 88 | /* |
c5aa993b | 89 | #define SOLIB_HAVE_LOAD_EVENT(pid) \ |
c906108c | 90 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 91 | */ |
c906108c SS |
92 | |
93 | #define SOLIB_HAVE_LOAD_EVENT(pid) \ | |
94 | (0) | |
95 | ||
96 | /* This function returns a pointer to the string representation of the | |
97 | pathname of the dynamically-linked library that has just been loaded. | |
98 | ||
99 | This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE, | |
100 | or undefined results are guaranteed. | |
101 | ||
102 | This string's contents are only valid immediately after the inferior | |
103 | has stopped in the dynamic linker hook, and becomes invalid as soon | |
104 | as the inferior is continued. Clients should make a copy of this | |
105 | string if they wish to continue the inferior and then access the string. | |
106 | ||
107 | Presently, this functionality is not implemented. | |
c5aa993b | 108 | */ |
c906108c SS |
109 | |
110 | /* | |
c5aa993b | 111 | #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \ |
c906108c | 112 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 113 | */ |
c906108c SS |
114 | |
115 | #define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \ | |
116 | (0) | |
117 | ||
118 | /* This function returns TRUE if the dynamic linker has just reported | |
119 | an unload of a library. | |
120 | ||
121 | This function must be used only when the inferior has stopped in | |
122 | the dynamic linker hook, or undefined results are guaranteed. | |
123 | ||
124 | Presently, this functionality is not implemented. | |
c5aa993b | 125 | */ |
c906108c | 126 | /* |
c5aa993b | 127 | #define SOLIB_HAVE_UNLOAD_EVENT(pid) \ |
c906108c | 128 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 129 | */ |
c906108c SS |
130 | |
131 | #define SOLIB_HAVE_UNLOAD_EVENT(pid) \ | |
132 | (0) | |
133 | ||
134 | /* This function returns a pointer to the string representation of the | |
135 | pathname of the dynamically-linked library that has just been unloaded. | |
136 | ||
137 | This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE, | |
138 | or undefined results are guaranteed. | |
139 | ||
140 | This string's contents are only valid immediately after the inferior | |
141 | has stopped in the dynamic linker hook, and becomes invalid as soon | |
142 | as the inferior is continued. Clients should make a copy of this | |
143 | string if they wish to continue the inferior and then access the string. | |
144 | ||
145 | Presently, this functionality is not implemented. | |
c5aa993b | 146 | */ |
c906108c | 147 | /* |
c5aa993b | 148 | #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \ |
c906108c | 149 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 150 | */ |
c906108c SS |
151 | |
152 | #define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \ | |
153 | (0) | |
154 | ||
155 | /* This function returns TRUE if pc is the address of an instruction that | |
156 | lies within the dynamic linker (such as the event hook, or the dld | |
157 | itself). | |
158 | ||
159 | This function must be used only when a dynamic linker event has been | |
160 | caught, and the inferior is being stepped out of the hook, or undefined | |
161 | results are guaranteed. | |
162 | ||
163 | Presently, this functionality is not implemented. | |
c5aa993b | 164 | */ |
c906108c SS |
165 | |
166 | /* | |
c5aa993b | 167 | #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ |
c906108c | 168 | error("catch of library loads/unloads not yet implemented on this platform") |
c5aa993b | 169 | */ |
c906108c SS |
170 | |
171 | #define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \ | |
172 | (0) | |
173 | ||
174 | /* This function must be called when the inferior is killed, and the program | |
175 | restarted. This is not the same as CLEAR_SOLIB, in that it doesn't discard | |
176 | any symbol tables. | |
177 | ||
178 | Presently, this functionality is not implemented. | |
c5aa993b | 179 | */ |
c906108c SS |
180 | #define SOLIB_RESTART() \ |
181 | (0) | |
182 | ||
183 | /* If we can't set a breakpoint, and it's in a shared library, just | |
184 | disable it. */ | |
185 | ||
186 | #if 0 | |
187 | #define DISABLE_UNSETTABLE_BREAK(addr) coff_solib_address(addr) | |
188 | ||
189 | extern int | |
c5aa993b | 190 | solib_address PARAMS ((CORE_ADDR)); /* solib.c */ |
c906108c | 191 | #endif |