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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" | |
b52cac6b FF |
35 | #include "symfile.h" |
36 | #include "objfiles.h" | |
0239d9b3 | 37 | |
1a494973 C |
38 | #ifdef HAVE_UNISTD_H |
39 | #include <unistd.h> | |
40 | #endif | |
41 | ||
43ab4ba5 | 42 | static void maintenance_command PARAMS ((char *, int)); |
0239d9b3 | 43 | |
43ab4ba5 | 44 | static void maintenance_dump_me PARAMS ((char *, int)); |
0239d9b3 | 45 | |
43ab4ba5 SS |
46 | static void maintenance_demangle PARAMS ((char *, int)); |
47 | ||
48 | static void maintenance_time_display PARAMS ((char *, int)); | |
49 | ||
50 | static void maintenance_space_display PARAMS ((char *, int)); | |
311592ff | 51 | |
b607efe7 FF |
52 | static void maintenance_info_command PARAMS ((char *, int)); |
53 | ||
54 | static void print_section_table PARAMS ((bfd *, asection *, PTR)); | |
55 | ||
56 | static void maintenance_info_sections PARAMS ((char *, int)); | |
57 | ||
58 | static void maintenance_print_command PARAMS ((char *, int)); | |
59 | ||
4887063b SG |
60 | /* Set this to the maximum number of seconds to wait instead of waiting forever |
61 | in target_wait(). If this timer times out, then it generates an error and | |
62 | the command is aborted. This replaces most of the need for timeouts in the | |
63 | GDB test suite, and makes it possible to distinguish between a hung target | |
64 | and one with slow communications. */ | |
65 | ||
66 | int watchdog = 0; | |
67 | ||
0239d9b3 FF |
68 | /* |
69 | ||
70 | LOCAL FUNCTION | |
71 | ||
72 | maintenance_command -- access the maintenance subcommands | |
73 | ||
74 | SYNOPSIS | |
75 | ||
76 | void maintenance_command (char *args, int from_tty) | |
77 | ||
78 | DESCRIPTION | |
79 | ||
80 | */ | |
81 | ||
82 | static void | |
83 | maintenance_command (args, from_tty) | |
84 | char *args; | |
85 | int from_tty; | |
86 | { | |
199b2450 TL |
87 | printf_unfiltered ("\"maintenance\" must be followed by the name of a maintenance command.\n"); |
88 | help_list (maintenancelist, "maintenance ", -1, gdb_stdout); | |
0239d9b3 FF |
89 | } |
90 | ||
9e77e83d | 91 | #ifndef _WIN32 |
0239d9b3 FF |
92 | /* ARGSUSED */ |
93 | static void | |
94 | maintenance_dump_me (args, from_tty) | |
95 | char *args; | |
96 | int from_tty; | |
97 | { | |
98 | if (query ("Should GDB dump core? ")) | |
99 | { | |
100 | signal (SIGQUIT, SIG_DFL); | |
101 | kill (getpid (), SIGQUIT); | |
102 | } | |
103 | } | |
9e77e83d | 104 | #endif |
0239d9b3 | 105 | |
311592ff FF |
106 | /* Someday we should allow demangling for things other than just |
107 | explicit strings. For example, we might want to be able to | |
108 | specify the address of a string in either GDB's process space | |
109 | or the debuggee's process space, and have gdb fetch and demangle | |
110 | that string. If we have a char* pointer "ptr" that points to | |
111 | a string, we might want to be able to given just the name and | |
112 | have GDB demangle and print what it points to, etc. (FIXME) */ | |
113 | ||
114 | static void | |
115 | maintenance_demangle (args, from_tty) | |
116 | char *args; | |
117 | int from_tty; | |
118 | { | |
119 | char *demangled; | |
120 | ||
121 | if (args == NULL || *args == '\0') | |
122 | { | |
199b2450 | 123 | printf_unfiltered ("\"maintenance demangle\" takes an argument to demangle.\n"); |
311592ff FF |
124 | } |
125 | else | |
126 | { | |
127 | demangled = cplus_demangle (args, DMGL_ANSI | DMGL_PARAMS); | |
128 | if (demangled != NULL) | |
129 | { | |
199b2450 | 130 | printf_unfiltered ("%s\n", demangled); |
311592ff FF |
131 | free (demangled); |
132 | } | |
133 | else | |
134 | { | |
199b2450 | 135 | printf_unfiltered ("Can't demangle \"%s\"\n", args); |
311592ff FF |
136 | } |
137 | } | |
138 | } | |
139 | ||
43ab4ba5 SS |
140 | static void |
141 | maintenance_time_display (args, from_tty) | |
142 | char *args; | |
143 | int from_tty; | |
144 | { | |
145 | extern int display_time; | |
146 | ||
147 | if (args == NULL || *args == '\0') | |
148 | printf_unfiltered ("\"maintenance time\" takes a numeric argument.\n"); | |
149 | else | |
150 | display_time = strtol (args, NULL, 10); | |
151 | } | |
152 | ||
153 | static void | |
154 | maintenance_space_display (args, from_tty) | |
155 | char *args; | |
156 | int from_tty; | |
157 | { | |
158 | extern int display_space; | |
159 | ||
160 | if (args == NULL || *args == '\0') | |
161 | printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n"); | |
162 | else | |
163 | display_space = strtol (args, NULL, 10); | |
164 | } | |
165 | ||
0239d9b3 FF |
166 | /* The "maintenance info" command is defined as a prefix, with allow_unknown 0. |
167 | Therefore, its own definition is called only for "maintenance info" with | |
168 | no args. */ | |
169 | ||
170 | /* ARGSUSED */ | |
171 | static void | |
172 | maintenance_info_command (arg, from_tty) | |
173 | char *arg; | |
174 | int from_tty; | |
175 | { | |
199b2450 TL |
176 | printf_unfiltered ("\"maintenance info\" must be followed by the name of an info command.\n"); |
177 | help_list (maintenanceinfolist, "maintenance info ", -1, gdb_stdout); | |
0239d9b3 FF |
178 | } |
179 | ||
b1eaba9a SG |
180 | static void |
181 | print_section_table (abfd, asect, ignore) | |
182 | bfd *abfd; | |
183 | asection *asect; | |
184 | PTR ignore; | |
185 | { | |
186 | flagword flags; | |
187 | ||
188 | flags = bfd_get_section_flags (abfd, asect); | |
189 | ||
833e0d94 | 190 | /* FIXME-32x64: Need print_address_numeric with field width. */ |
b1eaba9a | 191 | printf_filtered (" %s", |
5573d7d4 JK |
192 | local_hex_string_custom |
193 | ((unsigned long) bfd_section_vma (abfd, asect), "08l")); | |
b1eaba9a | 194 | printf_filtered ("->%s", |
5573d7d4 JK |
195 | local_hex_string_custom |
196 | ((unsigned long) (bfd_section_vma (abfd, asect) | |
197 | + bfd_section_size (abfd, asect)), | |
198 | "08l")); | |
199 | printf_filtered (" at %s", | |
200 | local_hex_string_custom | |
201 | ((unsigned long) asect->filepos, "08l")); | |
b1eaba9a SG |
202 | printf_filtered (": %s", bfd_section_name (abfd, asect)); |
203 | ||
204 | if (flags & SEC_ALLOC) | |
205 | printf_filtered (" ALLOC"); | |
206 | if (flags & SEC_LOAD) | |
207 | printf_filtered (" LOAD"); | |
208 | if (flags & SEC_RELOC) | |
209 | printf_filtered (" RELOC"); | |
210 | if (flags & SEC_READONLY) | |
211 | printf_filtered (" READONLY"); | |
212 | if (flags & SEC_CODE) | |
213 | printf_filtered (" CODE"); | |
214 | if (flags & SEC_DATA) | |
215 | printf_filtered (" DATA"); | |
216 | if (flags & SEC_ROM) | |
217 | printf_filtered (" ROM"); | |
218 | if (flags & SEC_CONSTRUCTOR) | |
219 | printf_filtered (" CONSTRUCTOR"); | |
220 | if (flags & SEC_HAS_CONTENTS) | |
221 | printf_filtered (" HAS_CONTENTS"); | |
222 | if (flags & SEC_NEVER_LOAD) | |
223 | printf_filtered (" NEVER_LOAD"); | |
0286d386 ILT |
224 | if (flags & SEC_COFF_SHARED_LIBRARY) |
225 | printf_filtered (" COFF_SHARED_LIBRARY"); | |
b1eaba9a SG |
226 | if (flags & SEC_IS_COMMON) |
227 | printf_filtered (" IS_COMMON"); | |
228 | ||
229 | printf_filtered ("\n"); | |
230 | } | |
231 | ||
232 | /* ARGSUSED */ | |
233 | static void | |
234 | maintenance_info_sections (arg, from_tty) | |
235 | char *arg; | |
236 | int from_tty; | |
237 | { | |
238 | if (exec_bfd) | |
239 | { | |
240 | printf_filtered ("Exec file:\n"); | |
241 | printf_filtered (" `%s', ", bfd_get_filename(exec_bfd)); | |
242 | wrap_here (" "); | |
243 | printf_filtered ("file type %s.\n", bfd_get_target(exec_bfd)); | |
244 | bfd_map_over_sections(exec_bfd, print_section_table, 0); | |
245 | } | |
246 | ||
247 | if (core_bfd) | |
248 | { | |
249 | printf_filtered ("Core file:\n"); | |
250 | printf_filtered (" `%s', ", bfd_get_filename(core_bfd)); | |
251 | wrap_here (" "); | |
252 | printf_filtered ("file type %s.\n", bfd_get_target(core_bfd)); | |
253 | bfd_map_over_sections(core_bfd, print_section_table, 0); | |
254 | } | |
255 | } | |
256 | ||
2dd30c72 FF |
257 | /* ARGSUSED */ |
258 | void | |
259 | maintenance_print_statistics (args, from_tty) | |
260 | char *args; | |
261 | int from_tty; | |
262 | { | |
263 | print_objfile_statistics (); | |
2ad5709f | 264 | print_symbol_bcache_statistics (); |
2dd30c72 FF |
265 | } |
266 | ||
311592ff FF |
267 | /* The "maintenance print" command is defined as a prefix, with allow_unknown |
268 | 0. Therefore, its own definition is called only for "maintenance print" | |
269 | with no args. */ | |
270 | ||
271 | /* ARGSUSED */ | |
272 | static void | |
273 | maintenance_print_command (arg, from_tty) | |
274 | char *arg; | |
275 | int from_tty; | |
276 | { | |
199b2450 TL |
277 | printf_unfiltered ("\"maintenance print\" must be followed by the name of a print command.\n"); |
278 | help_list (maintenanceprintlist, "maintenance print ", -1, gdb_stdout); | |
311592ff FF |
279 | } |
280 | ||
976bb0be | 281 | #endif /* MAINTENANCE_CMDS */ |
0239d9b3 FF |
282 | |
283 | void | |
284 | _initialize_maint_cmds () | |
285 | { | |
976bb0be | 286 | #if MAINTENANCE_CMDS /* Entire file goes away if not including maint cmds */ |
0239d9b3 FF |
287 | add_prefix_cmd ("maintenance", class_maintenance, maintenance_command, |
288 | "Commands for use by GDB maintainers.\n\ | |
289 | Includes commands to dump specific internal GDB structures in\n\ | |
311592ff FF |
290 | a human readable form, to cause GDB to deliberately dump core,\n\ |
291 | to test internal functions such as the C++ demangler, etc.", | |
2e9309df | 292 | &maintenancelist, "maintenance ", 0, |
0239d9b3 FF |
293 | &cmdlist); |
294 | ||
327f7197 | 295 | add_com_alias ("mt", "maintenance", class_maintenance, 1); |
311592ff | 296 | |
327f7197 JG |
297 | add_prefix_cmd ("info", class_maintenance, maintenance_info_command, |
298 | "Commands for showing internal info about the program being debugged.", | |
2e9309df | 299 | &maintenanceinfolist, "maintenance info ", 0, |
0239d9b3 FF |
300 | &maintenancelist); |
301 | ||
b1eaba9a SG |
302 | add_cmd ("sections", class_maintenance, maintenance_info_sections, |
303 | "List the BFD sections of the exec and core files.", | |
304 | &maintenanceinfolist); | |
305 | ||
311592ff FF |
306 | add_prefix_cmd ("print", class_maintenance, maintenance_print_command, |
307 | "Maintenance command for printing GDB internal state.", | |
308 | &maintenanceprintlist, "maintenance print ", 0, | |
309 | &maintenancelist); | |
310 | ||
9e77e83d | 311 | #ifndef _WIN32 |
0239d9b3 FF |
312 | add_cmd ("dump-me", class_maintenance, maintenance_dump_me, |
313 | "Get fatal error; make debugger dump its core.\n\ | |
314 | GDB sets it's handling of SIGQUIT back to SIG_DFL and then sends\n\ | |
315 | itself a SIGQUIT signal.", | |
316 | &maintenancelist); | |
9e77e83d | 317 | #endif |
0239d9b3 | 318 | |
311592ff FF |
319 | add_cmd ("demangle", class_maintenance, maintenance_demangle, |
320 | "Demangle a C++ mangled name.\n\ | |
321 | Call internal GDB demangler routine to demangle a C++ link name\n\ | |
322 | and prints the result.", | |
323 | &maintenancelist); | |
324 | ||
43ab4ba5 SS |
325 | add_cmd ("time", class_maintenance, maintenance_time_display, |
326 | "Set the display of time usage.\n\ | |
327 | If nonzero, will cause the execution time for each command to be\n\ | |
328 | displayed, following the command's output.", | |
329 | &maintenancelist); | |
330 | ||
331 | add_cmd ("space", class_maintenance, maintenance_space_display, | |
332 | "Set the display of space usage.\n\ | |
333 | If nonzero, will cause the execution space for each command to be\n\ | |
334 | displayed, following the command's output.", | |
335 | &maintenancelist); | |
336 | ||
311592ff | 337 | add_cmd ("type", class_maintenance, maintenance_print_type, |
0239d9b3 FF |
338 | "Print a type chain for a given symbol.\n\ |
339 | For each node in a type chain, print the raw data for each member of\n\ | |
340 | the type structure, and the interpretation of the data.", | |
311592ff | 341 | &maintenanceprintlist); |
0239d9b3 | 342 | |
311592ff | 343 | add_cmd ("symbols", class_maintenance, maintenance_print_symbols, |
0239d9b3 FF |
344 | "Print dump of current symbol definitions.\n\ |
345 | Entries in the full symbol table are dumped to file OUTFILE.\n\ | |
346 | If a SOURCE file is specified, dump only that file's symbols.", | |
311592ff | 347 | &maintenanceprintlist); |
0239d9b3 | 348 | |
311592ff | 349 | add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols, |
0239d9b3 FF |
350 | "Print dump of current minimal symbol definitions.\n\ |
351 | Entries in the minimal symbol table are dumped to file OUTFILE.\n\ | |
352 | If a SOURCE file is specified, dump only that file's minimal symbols.", | |
311592ff | 353 | &maintenanceprintlist); |
0239d9b3 | 354 | |
311592ff | 355 | add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, |
0239d9b3 FF |
356 | "Print dump of current partial symbol definitions.\n\ |
357 | Entries in the partial symbol table are dumped to file OUTFILE.\n\ | |
358 | If a SOURCE file is specified, dump only that file's partial symbols.", | |
311592ff | 359 | &maintenanceprintlist); |
0239d9b3 | 360 | |
311592ff | 361 | add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles, |
0239d9b3 | 362 | "Print dump of current object file definitions.", |
311592ff | 363 | &maintenanceprintlist); |
71c33ef7 | 364 | |
2dd30c72 FF |
365 | add_cmd ("statistics", class_maintenance, maintenance_print_statistics, |
366 | "Print statistics about internal gdb state.", | |
367 | &maintenanceprintlist); | |
368 | ||
71c33ef7 PS |
369 | add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs, |
370 | "Check consistency of psymtabs and symtabs.", | |
371 | &maintenancelist); | |
4887063b SG |
372 | |
373 | add_show_from_set ( | |
374 | add_set_cmd ("watchdog", class_maintenance, var_zinteger, (char *)&watchdog, | |
375 | "Set watchdog timer.\n\ | |
376 | When non-zero, this timeout is used instead of waiting forever for a target to\n\ | |
377 | finish a low-level step or continue operation. If the specified amount of time\n\ | |
378 | passes without a response from the target, an error occurs.", &setlist), | |
379 | &showlist); | |
0239d9b3 | 380 | #endif /* MAINTENANCE_CMDS */ |
976bb0be | 381 | } |