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0239d9b3 | 1 | /* Support for GDB maintenance commands. |
43ab4ba5 | 2 | Copyright 1992, 1993, 1994 Free Software Foundation, Inc. |
0239d9b3 FF |
3 | Written by Fred Fish at Cygnus Support. |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
6c9638b4 | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
0239d9b3 FF |
20 | |
21 | ||
22 | #include "defs.h" | |
23 | ||
2dd30c72 | 24 | #if MAINTENANCE_CMDS /* Entire rest of file goes away if not including maint cmds */ |
0239d9b3 FF |
25 | |
26 | #include <signal.h> | |
27 | #include "command.h" | |
28 | #include "gdbcmd.h" | |
29 | #include "symtab.h" | |
30 | #include "gdbtypes.h" | |
311592ff | 31 | #include "demangle.h" |
b1eaba9a | 32 | #include "gdbcore.h" |
100f92e2 JK |
33 | #include "expression.h" /* For language.h */ |
34 | #include "language.h" | |
0239d9b3 | 35 | |
1a494973 C |
36 | #ifdef HAVE_UNISTD_H |
37 | #include <unistd.h> | |
38 | #endif | |
39 | ||
43ab4ba5 | 40 | static void maintenance_command PARAMS ((char *, int)); |
0239d9b3 | 41 | |
43ab4ba5 | 42 | static void maintenance_dump_me PARAMS ((char *, int)); |
0239d9b3 | 43 | |
43ab4ba5 SS |
44 | static void maintenance_demangle PARAMS ((char *, int)); |
45 | ||
46 | static void maintenance_time_display PARAMS ((char *, int)); | |
47 | ||
48 | static void maintenance_space_display PARAMS ((char *, int)); | |
311592ff | 49 | |
4887063b SG |
50 | /* Set this to the maximum number of seconds to wait instead of waiting forever |
51 | in target_wait(). If this timer times out, then it generates an error and | |
52 | the command is aborted. This replaces most of the need for timeouts in the | |
53 | GDB test suite, and makes it possible to distinguish between a hung target | |
54 | and one with slow communications. */ | |
55 | ||
56 | int watchdog = 0; | |
57 | ||
0239d9b3 FF |
58 | /* |
59 | ||
60 | LOCAL FUNCTION | |
61 | ||
62 | maintenance_command -- access the maintenance subcommands | |
63 | ||
64 | SYNOPSIS | |
65 | ||
66 | void maintenance_command (char *args, int from_tty) | |
67 | ||
68 | DESCRIPTION | |
69 | ||
70 | */ | |
71 | ||
72 | static void | |
73 | maintenance_command (args, from_tty) | |
74 | char *args; | |
75 | int from_tty; | |
76 | { | |
199b2450 TL |
77 | printf_unfiltered ("\"maintenance\" must be followed by the name of a maintenance command.\n"); |
78 | help_list (maintenancelist, "maintenance ", -1, gdb_stdout); | |
0239d9b3 FF |
79 | } |
80 | ||
81 | ||
82 | /* ARGSUSED */ | |
83 | static void | |
84 | maintenance_dump_me (args, from_tty) | |
85 | char *args; | |
86 | int from_tty; | |
87 | { | |
88 | if (query ("Should GDB dump core? ")) | |
89 | { | |
90 | signal (SIGQUIT, SIG_DFL); | |
91 | kill (getpid (), SIGQUIT); | |
92 | } | |
93 | } | |
94 | ||
311592ff FF |
95 | /* Someday we should allow demangling for things other than just |
96 | explicit strings. For example, we might want to be able to | |
97 | specify the address of a string in either GDB's process space | |
98 | or the debuggee's process space, and have gdb fetch and demangle | |
99 | that string. If we have a char* pointer "ptr" that points to | |
100 | a string, we might want to be able to given just the name and | |
101 | have GDB demangle and print what it points to, etc. (FIXME) */ | |
102 | ||
103 | static void | |
104 | maintenance_demangle (args, from_tty) | |
105 | char *args; | |
106 | int from_tty; | |
107 | { | |
108 | char *demangled; | |
109 | ||
110 | if (args == NULL || *args == '\0') | |
111 | { | |
199b2450 | 112 | printf_unfiltered ("\"maintenance demangle\" takes an argument to demangle.\n"); |
311592ff FF |
113 | } |
114 | else | |
115 | { | |
116 | demangled = cplus_demangle (args, DMGL_ANSI | DMGL_PARAMS); | |
117 | if (demangled != NULL) | |
118 | { | |
199b2450 | 119 | printf_unfiltered ("%s\n", demangled); |
311592ff FF |
120 | free (demangled); |
121 | } | |
122 | else | |
123 | { | |
199b2450 | 124 | printf_unfiltered ("Can't demangle \"%s\"\n", args); |
311592ff FF |
125 | } |
126 | } | |
127 | } | |
128 | ||
43ab4ba5 SS |
129 | static void |
130 | maintenance_time_display (args, from_tty) | |
131 | char *args; | |
132 | int from_tty; | |
133 | { | |
134 | extern int display_time; | |
135 | ||
136 | if (args == NULL || *args == '\0') | |
137 | printf_unfiltered ("\"maintenance time\" takes a numeric argument.\n"); | |
138 | else | |
139 | display_time = strtol (args, NULL, 10); | |
140 | } | |
141 | ||
142 | static void | |
143 | maintenance_space_display (args, from_tty) | |
144 | char *args; | |
145 | int from_tty; | |
146 | { | |
147 | extern int display_space; | |
148 | ||
149 | if (args == NULL || *args == '\0') | |
150 | printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n"); | |
151 | else | |
152 | display_space = strtol (args, NULL, 10); | |
153 | } | |
154 | ||
0239d9b3 FF |
155 | /* The "maintenance info" command is defined as a prefix, with allow_unknown 0. |
156 | Therefore, its own definition is called only for "maintenance info" with | |
157 | no args. */ | |
158 | ||
159 | /* ARGSUSED */ | |
160 | static void | |
161 | maintenance_info_command (arg, from_tty) | |
162 | char *arg; | |
163 | int from_tty; | |
164 | { | |
199b2450 TL |
165 | printf_unfiltered ("\"maintenance info\" must be followed by the name of an info command.\n"); |
166 | help_list (maintenanceinfolist, "maintenance info ", -1, gdb_stdout); | |
0239d9b3 FF |
167 | } |
168 | ||
b1eaba9a SG |
169 | static void |
170 | print_section_table (abfd, asect, ignore) | |
171 | bfd *abfd; | |
172 | asection *asect; | |
173 | PTR ignore; | |
174 | { | |
175 | flagword flags; | |
176 | ||
177 | flags = bfd_get_section_flags (abfd, asect); | |
178 | ||
833e0d94 | 179 | /* FIXME-32x64: Need print_address_numeric with field width. */ |
b1eaba9a | 180 | printf_filtered (" %s", |
5573d7d4 JK |
181 | local_hex_string_custom |
182 | ((unsigned long) bfd_section_vma (abfd, asect), "08l")); | |
b1eaba9a | 183 | printf_filtered ("->%s", |
5573d7d4 JK |
184 | local_hex_string_custom |
185 | ((unsigned long) (bfd_section_vma (abfd, asect) | |
186 | + bfd_section_size (abfd, asect)), | |
187 | "08l")); | |
188 | printf_filtered (" at %s", | |
189 | local_hex_string_custom | |
190 | ((unsigned long) asect->filepos, "08l")); | |
b1eaba9a SG |
191 | printf_filtered (": %s", bfd_section_name (abfd, asect)); |
192 | ||
193 | if (flags & SEC_ALLOC) | |
194 | printf_filtered (" ALLOC"); | |
195 | if (flags & SEC_LOAD) | |
196 | printf_filtered (" LOAD"); | |
197 | if (flags & SEC_RELOC) | |
198 | printf_filtered (" RELOC"); | |
199 | if (flags & SEC_READONLY) | |
200 | printf_filtered (" READONLY"); | |
201 | if (flags & SEC_CODE) | |
202 | printf_filtered (" CODE"); | |
203 | if (flags & SEC_DATA) | |
204 | printf_filtered (" DATA"); | |
205 | if (flags & SEC_ROM) | |
206 | printf_filtered (" ROM"); | |
207 | if (flags & SEC_CONSTRUCTOR) | |
208 | printf_filtered (" CONSTRUCTOR"); | |
209 | if (flags & SEC_HAS_CONTENTS) | |
210 | printf_filtered (" HAS_CONTENTS"); | |
211 | if (flags & SEC_NEVER_LOAD) | |
212 | printf_filtered (" NEVER_LOAD"); | |
0286d386 ILT |
213 | if (flags & SEC_COFF_SHARED_LIBRARY) |
214 | printf_filtered (" COFF_SHARED_LIBRARY"); | |
b1eaba9a SG |
215 | if (flags & SEC_IS_COMMON) |
216 | printf_filtered (" IS_COMMON"); | |
217 | ||
218 | printf_filtered ("\n"); | |
219 | } | |
220 | ||
221 | /* ARGSUSED */ | |
222 | static void | |
223 | maintenance_info_sections (arg, from_tty) | |
224 | char *arg; | |
225 | int from_tty; | |
226 | { | |
227 | if (exec_bfd) | |
228 | { | |
229 | printf_filtered ("Exec file:\n"); | |
230 | printf_filtered (" `%s', ", bfd_get_filename(exec_bfd)); | |
231 | wrap_here (" "); | |
232 | printf_filtered ("file type %s.\n", bfd_get_target(exec_bfd)); | |
233 | bfd_map_over_sections(exec_bfd, print_section_table, 0); | |
234 | } | |
235 | ||
236 | if (core_bfd) | |
237 | { | |
238 | printf_filtered ("Core file:\n"); | |
239 | printf_filtered (" `%s', ", bfd_get_filename(core_bfd)); | |
240 | wrap_here (" "); | |
241 | printf_filtered ("file type %s.\n", bfd_get_target(core_bfd)); | |
242 | bfd_map_over_sections(core_bfd, print_section_table, 0); | |
243 | } | |
244 | } | |
245 | ||
2dd30c72 FF |
246 | /* ARGSUSED */ |
247 | void | |
248 | maintenance_print_statistics (args, from_tty) | |
249 | char *args; | |
250 | int from_tty; | |
251 | { | |
252 | print_objfile_statistics (); | |
253 | } | |
254 | ||
311592ff FF |
255 | /* The "maintenance print" command is defined as a prefix, with allow_unknown |
256 | 0. Therefore, its own definition is called only for "maintenance print" | |
257 | with no args. */ | |
258 | ||
259 | /* ARGSUSED */ | |
260 | static void | |
261 | maintenance_print_command (arg, from_tty) | |
262 | char *arg; | |
263 | int from_tty; | |
264 | { | |
199b2450 TL |
265 | printf_unfiltered ("\"maintenance print\" must be followed by the name of a print command.\n"); |
266 | help_list (maintenanceprintlist, "maintenance print ", -1, gdb_stdout); | |
311592ff FF |
267 | } |
268 | ||
976bb0be | 269 | #endif /* MAINTENANCE_CMDS */ |
0239d9b3 FF |
270 | |
271 | void | |
272 | _initialize_maint_cmds () | |
273 | { | |
976bb0be | 274 | #if MAINTENANCE_CMDS /* Entire file goes away if not including maint cmds */ |
0239d9b3 FF |
275 | add_prefix_cmd ("maintenance", class_maintenance, maintenance_command, |
276 | "Commands for use by GDB maintainers.\n\ | |
277 | Includes commands to dump specific internal GDB structures in\n\ | |
311592ff FF |
278 | a human readable form, to cause GDB to deliberately dump core,\n\ |
279 | to test internal functions such as the C++ demangler, etc.", | |
2e9309df | 280 | &maintenancelist, "maintenance ", 0, |
0239d9b3 FF |
281 | &cmdlist); |
282 | ||
327f7197 | 283 | add_com_alias ("mt", "maintenance", class_maintenance, 1); |
311592ff | 284 | |
327f7197 JG |
285 | add_prefix_cmd ("info", class_maintenance, maintenance_info_command, |
286 | "Commands for showing internal info about the program being debugged.", | |
2e9309df | 287 | &maintenanceinfolist, "maintenance info ", 0, |
0239d9b3 FF |
288 | &maintenancelist); |
289 | ||
b1eaba9a SG |
290 | add_cmd ("sections", class_maintenance, maintenance_info_sections, |
291 | "List the BFD sections of the exec and core files.", | |
292 | &maintenanceinfolist); | |
293 | ||
311592ff FF |
294 | add_prefix_cmd ("print", class_maintenance, maintenance_print_command, |
295 | "Maintenance command for printing GDB internal state.", | |
296 | &maintenanceprintlist, "maintenance print ", 0, | |
297 | &maintenancelist); | |
298 | ||
0239d9b3 FF |
299 | add_cmd ("dump-me", class_maintenance, maintenance_dump_me, |
300 | "Get fatal error; make debugger dump its core.\n\ | |
301 | GDB sets it's handling of SIGQUIT back to SIG_DFL and then sends\n\ | |
302 | itself a SIGQUIT signal.", | |
303 | &maintenancelist); | |
304 | ||
311592ff FF |
305 | add_cmd ("demangle", class_maintenance, maintenance_demangle, |
306 | "Demangle a C++ mangled name.\n\ | |
307 | Call internal GDB demangler routine to demangle a C++ link name\n\ | |
308 | and prints the result.", | |
309 | &maintenancelist); | |
310 | ||
43ab4ba5 SS |
311 | add_cmd ("time", class_maintenance, maintenance_time_display, |
312 | "Set the display of time usage.\n\ | |
313 | If nonzero, will cause the execution time for each command to be\n\ | |
314 | displayed, following the command's output.", | |
315 | &maintenancelist); | |
316 | ||
317 | add_cmd ("space", class_maintenance, maintenance_space_display, | |
318 | "Set the display of space usage.\n\ | |
319 | If nonzero, will cause the execution space for each command to be\n\ | |
320 | displayed, following the command's output.", | |
321 | &maintenancelist); | |
322 | ||
311592ff | 323 | add_cmd ("type", class_maintenance, maintenance_print_type, |
0239d9b3 FF |
324 | "Print a type chain for a given symbol.\n\ |
325 | For each node in a type chain, print the raw data for each member of\n\ | |
326 | the type structure, and the interpretation of the data.", | |
311592ff | 327 | &maintenanceprintlist); |
0239d9b3 | 328 | |
311592ff | 329 | add_cmd ("symbols", class_maintenance, maintenance_print_symbols, |
0239d9b3 FF |
330 | "Print dump of current symbol definitions.\n\ |
331 | Entries in the full symbol table are dumped to file OUTFILE.\n\ | |
332 | If a SOURCE file is specified, dump only that file's symbols.", | |
311592ff | 333 | &maintenanceprintlist); |
0239d9b3 | 334 | |
311592ff | 335 | add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols, |
0239d9b3 FF |
336 | "Print dump of current minimal symbol definitions.\n\ |
337 | Entries in the minimal symbol table are dumped to file OUTFILE.\n\ | |
338 | If a SOURCE file is specified, dump only that file's minimal symbols.", | |
311592ff | 339 | &maintenanceprintlist); |
0239d9b3 | 340 | |
311592ff | 341 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, |
0239d9b3 FF |
342 | "Print dump of current partial symbol definitions.\n\ |
343 | Entries in the partial symbol table are dumped to file OUTFILE.\n\ | |
344 | If a SOURCE file is specified, dump only that file's partial symbols.", | |
311592ff | 345 | &maintenanceprintlist); |
0239d9b3 | 346 | |
311592ff | 347 | add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles, |
0239d9b3 | 348 | "Print dump of current object file definitions.", |
311592ff | 349 | &maintenanceprintlist); |
71c33ef7 | 350 | |
2dd30c72 FF |
351 | add_cmd ("statistics", class_maintenance, maintenance_print_statistics, |
352 | "Print statistics about internal gdb state.", | |
353 | &maintenanceprintlist); | |
354 | ||
71c33ef7 PS |
355 | add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs, |
356 | "Check consistency of psymtabs and symtabs.", | |
357 | &maintenancelist); | |
4887063b SG |
358 | |
359 | add_show_from_set ( | |
360 | add_set_cmd ("watchdog", class_maintenance, var_zinteger, (char *)&watchdog, | |
361 | "Set watchdog timer.\n\ | |
362 | When non-zero, this timeout is used instead of waiting forever for a target to\n\ | |
363 | finish a low-level step or continue operation. If the specified amount of time\n\ | |
364 | passes without a response from the target, an error occurs.", &setlist), | |
365 | &showlist); | |
0239d9b3 | 366 | #endif /* MAINTENANCE_CMDS */ |
976bb0be | 367 | } |