Commit | Line | Data |
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c906108c | 1 | /* Tracing functionality for remote targets in custom GDB protocol |
9f60d481 | 2 | |
6aba47ca | 3 | Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
0fb0cc75 | 4 | 2007, 2008, 2009 Free Software Foundation, Inc. |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 11 | (at your option) any later version. |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b | 18 | You should have received a copy of the GNU General Public License |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
20 | |
21 | #include "defs.h" | |
22 | #include "symtab.h" | |
23 | #include "frame.h" | |
c906108c SS |
24 | #include "gdbtypes.h" |
25 | #include "expression.h" | |
26 | #include "gdbcmd.h" | |
27 | #include "value.h" | |
28 | #include "target.h" | |
29 | #include "language.h" | |
30 | #include "gdb_string.h" | |
104c1213 | 31 | #include "inferior.h" |
1042e4c0 | 32 | #include "breakpoint.h" |
104c1213 | 33 | #include "tracepoint.h" |
c2c6d25f | 34 | #include "remote.h" |
c5f0f3d0 | 35 | #include "linespec.h" |
4e052eda | 36 | #include "regcache.h" |
c94fdfd0 | 37 | #include "completer.h" |
fe898f56 | 38 | #include "block.h" |
de4f826b | 39 | #include "dictionary.h" |
383f836e | 40 | #include "observer.h" |
029a67e4 | 41 | #include "user-regs.h" |
79a45b7d | 42 | #include "valprint.h" |
41575630 | 43 | #include "gdbcore.h" |
768a979c | 44 | #include "objfiles.h" |
c906108c SS |
45 | |
46 | #include "ax.h" | |
47 | #include "ax-gdb.h" | |
48 | ||
49 | /* readline include files */ | |
dbda9972 AC |
50 | #include "readline/readline.h" |
51 | #include "readline/history.h" | |
c906108c SS |
52 | |
53 | /* readline defines this. */ | |
54 | #undef savestring | |
55 | ||
56 | #ifdef HAVE_UNISTD_H | |
57 | #include <unistd.h> | |
58 | #endif | |
59 | ||
d183932d MS |
60 | /* Maximum length of an agent aexpression. |
61 | This accounts for the fact that packets are limited to 400 bytes | |
c906108c SS |
62 | (which includes everything -- including the checksum), and assumes |
63 | the worst case of maximum length for each of the pieces of a | |
64 | continuation packet. | |
c5aa993b | 65 | |
c906108c SS |
66 | NOTE: expressions get mem2hex'ed otherwise this would be twice as |
67 | large. (400 - 31)/2 == 184 */ | |
68 | #define MAX_AGENT_EXPR_LEN 184 | |
69 | ||
70 | ||
9a4105ab AC |
71 | extern void (*deprecated_readline_begin_hook) (char *, ...); |
72 | extern char *(*deprecated_readline_hook) (char *); | |
73 | extern void (*deprecated_readline_end_hook) (void); | |
c906108c | 74 | |
104c1213 JM |
75 | /* GDB commands implemented in other modules: |
76 | */ | |
77 | ||
a14ed312 | 78 | extern void output_command (char *, int); |
104c1213 | 79 | |
c906108c SS |
80 | /* |
81 | Tracepoint.c: | |
82 | ||
83 | This module defines the following debugger commands: | |
84 | trace : set a tracepoint on a function, line, or address. | |
85 | info trace : list all debugger-defined tracepoints. | |
86 | delete trace : delete one or more tracepoints. | |
87 | enable trace : enable one or more tracepoints. | |
88 | disable trace : disable one or more tracepoints. | |
89 | actions : specify actions to be taken at a tracepoint. | |
90 | passcount : specify a pass count for a tracepoint. | |
91 | tstart : start a trace experiment. | |
92 | tstop : stop a trace experiment. | |
93 | tstatus : query the status of a trace experiment. | |
94 | tfind : find a trace frame in the trace buffer. | |
95 | tdump : print everything collected at the current tracepoint. | |
96 | save-tracepoints : write tracepoint setup into a file. | |
97 | ||
98 | This module defines the following user-visible debugger variables: | |
99 | $trace_frame : sequence number of trace frame currently being debugged. | |
100 | $trace_line : source line of trace frame currently being debugged. | |
101 | $trace_file : source file of trace frame currently being debugged. | |
102 | $tracepoint : tracepoint number of trace frame currently being debugged. | |
c5aa993b | 103 | */ |
c906108c SS |
104 | |
105 | ||
106 | /* ======= Important global variables: ======= */ | |
107 | ||
c906108c SS |
108 | /* Number of last traceframe collected. */ |
109 | static int traceframe_number; | |
110 | ||
111 | /* Tracepoint for last traceframe collected. */ | |
112 | static int tracepoint_number; | |
113 | ||
114 | /* Symbol for function for last traceframe collected */ | |
115 | static struct symbol *traceframe_fun; | |
116 | ||
117 | /* Symtab and line for last traceframe collected */ | |
118 | static struct symtab_and_line traceframe_sal; | |
119 | ||
120 | /* Tracing command lists */ | |
121 | static struct cmd_list_element *tfindlist; | |
122 | ||
123 | /* ======= Important command functions: ======= */ | |
a14ed312 KB |
124 | static void trace_actions_command (char *, int); |
125 | static void trace_start_command (char *, int); | |
126 | static void trace_stop_command (char *, int); | |
127 | static void trace_status_command (char *, int); | |
128 | static void trace_find_command (char *, int); | |
129 | static void trace_find_pc_command (char *, int); | |
130 | static void trace_find_tracepoint_command (char *, int); | |
131 | static void trace_find_line_command (char *, int); | |
132 | static void trace_find_range_command (char *, int); | |
133 | static void trace_find_outside_command (char *, int); | |
134 | static void tracepoint_save_command (char *, int); | |
135 | static void trace_dump_command (char *, int); | |
c906108c SS |
136 | |
137 | /* support routines */ | |
c906108c SS |
138 | |
139 | struct collection_list; | |
a14ed312 | 140 | static void add_aexpr (struct collection_list *, struct agent_expr *); |
47b667de | 141 | static char *mem2hex (gdb_byte *, char *, int); |
a14ed312 KB |
142 | static void add_register (struct collection_list *collection, |
143 | unsigned int regno); | |
1042e4c0 | 144 | static struct cleanup *make_cleanup_free_actions (struct breakpoint *t); |
a14ed312 KB |
145 | static void free_actions_list (char **actions_list); |
146 | static void free_actions_list_cleanup_wrapper (void *); | |
392a587b | 147 | |
a14ed312 | 148 | extern void _initialize_tracepoint (void); |
c906108c SS |
149 | |
150 | /* Utility: returns true if "target remote" */ | |
151 | static int | |
fba45db2 | 152 | target_is_remote (void) |
c906108c SS |
153 | { |
154 | if (current_target.to_shortname && | |
549678da NS |
155 | (strcmp (current_target.to_shortname, "remote") == 0 |
156 | || strcmp (current_target.to_shortname, "extended-remote") == 0)) | |
c906108c SS |
157 | return 1; |
158 | else | |
159 | return 0; | |
160 | } | |
161 | ||
162 | /* Utility: generate error from an incoming stub packet. */ | |
c5aa993b | 163 | static void |
fba45db2 | 164 | trace_error (char *buf) |
c906108c SS |
165 | { |
166 | if (*buf++ != 'E') | |
167 | return; /* not an error msg */ | |
c5aa993b | 168 | switch (*buf) |
c906108c SS |
169 | { |
170 | case '1': /* malformed packet error */ | |
171 | if (*++buf == '0') /* general case: */ | |
8a3fe4f8 | 172 | error (_("tracepoint.c: error in outgoing packet.")); |
c906108c | 173 | else |
8a3fe4f8 | 174 | error (_("tracepoint.c: error in outgoing packet at field #%ld."), |
c906108c SS |
175 | strtol (buf, NULL, 16)); |
176 | case '2': | |
8a3fe4f8 | 177 | error (_("trace API error 0x%s."), ++buf); |
c906108c | 178 | default: |
8a3fe4f8 | 179 | error (_("Target returns error code '%s'."), buf); |
c906108c SS |
180 | } |
181 | } | |
182 | ||
d183932d | 183 | /* Utility: wait for reply from stub, while accepting "O" packets. */ |
c906108c | 184 | static char * |
6d820c5c DJ |
185 | remote_get_noisy_reply (char **buf_p, |
186 | long *sizeof_buf) | |
c906108c | 187 | { |
d183932d | 188 | do /* Loop on reply from remote stub. */ |
c906108c | 189 | { |
6d820c5c | 190 | char *buf; |
c5aa993b | 191 | QUIT; /* allow user to bail out with ^C */ |
6d820c5c DJ |
192 | getpkt (buf_p, sizeof_buf, 0); |
193 | buf = *buf_p; | |
c906108c | 194 | if (buf[0] == 0) |
8a3fe4f8 | 195 | error (_("Target does not support this command.")); |
c906108c SS |
196 | else if (buf[0] == 'E') |
197 | trace_error (buf); | |
198 | else if (buf[0] == 'O' && | |
199 | buf[1] != 'K') | |
200 | remote_console_output (buf + 1); /* 'O' message from stub */ | |
201 | else | |
c5aa993b JM |
202 | return buf; /* here's the actual reply */ |
203 | } | |
204 | while (1); | |
c906108c SS |
205 | } |
206 | ||
c906108c SS |
207 | /* Set traceframe number to NUM. */ |
208 | static void | |
fba45db2 | 209 | set_traceframe_num (int num) |
c906108c SS |
210 | { |
211 | traceframe_number = num; | |
4fa62494 | 212 | set_internalvar_integer (lookup_internalvar ("trace_frame"), num); |
c906108c SS |
213 | } |
214 | ||
215 | /* Set tracepoint number to NUM. */ | |
216 | static void | |
fba45db2 | 217 | set_tracepoint_num (int num) |
c906108c SS |
218 | { |
219 | tracepoint_number = num; | |
4fa62494 | 220 | set_internalvar_integer (lookup_internalvar ("tracepoint"), num); |
c906108c SS |
221 | } |
222 | ||
223 | /* Set externally visible debug variables for querying/printing | |
224 | the traceframe context (line, function, file) */ | |
225 | ||
226 | static void | |
fb14de7b | 227 | set_traceframe_context (struct frame_info *trace_frame) |
c906108c | 228 | { |
fb14de7b UW |
229 | CORE_ADDR trace_pc; |
230 | ||
c906108c | 231 | static struct type *func_string, *file_string; |
c5aa993b | 232 | static struct type *func_range, *file_range; |
f976f6d4 AC |
233 | struct value *func_val; |
234 | struct value *file_val; | |
c906108c SS |
235 | int len; |
236 | ||
fb14de7b | 237 | if (trace_frame == NULL) /* Cease debugging any trace buffers. */ |
c906108c SS |
238 | { |
239 | traceframe_fun = 0; | |
240 | traceframe_sal.pc = traceframe_sal.line = 0; | |
241 | traceframe_sal.symtab = NULL; | |
4fa62494 UW |
242 | clear_internalvar (lookup_internalvar ("trace_func")); |
243 | clear_internalvar (lookup_internalvar ("trace_file")); | |
244 | set_internalvar_integer (lookup_internalvar ("trace_line"), -1); | |
c906108c SS |
245 | return; |
246 | } | |
247 | ||
d183932d | 248 | /* Save as globals for internal use. */ |
fb14de7b | 249 | trace_pc = get_frame_pc (trace_frame); |
c906108c SS |
250 | traceframe_sal = find_pc_line (trace_pc, 0); |
251 | traceframe_fun = find_pc_function (trace_pc); | |
252 | ||
d183932d MS |
253 | /* Save linenumber as "$trace_line", a debugger variable visible to |
254 | users. */ | |
4fa62494 UW |
255 | set_internalvar_integer (lookup_internalvar ("trace_line"), |
256 | traceframe_sal.line); | |
c906108c | 257 | |
d183932d MS |
258 | /* Save func name as "$trace_func", a debugger variable visible to |
259 | users. */ | |
4fa62494 UW |
260 | if (traceframe_fun == NULL |
261 | || SYMBOL_LINKAGE_NAME (traceframe_fun) == NULL) | |
262 | clear_internalvar (lookup_internalvar ("trace_func")); | |
c906108c SS |
263 | else |
264 | { | |
3567439c | 265 | len = strlen (SYMBOL_LINKAGE_NAME (traceframe_fun)); |
c5aa993b | 266 | func_range = create_range_type (func_range, |
8b9b9e1a | 267 | builtin_type_int32, 0, len - 1); |
c5aa993b | 268 | func_string = create_array_type (func_string, |
8b9b9e1a | 269 | builtin_type_true_char, func_range); |
c906108c | 270 | func_val = allocate_value (func_string); |
04624583 | 271 | deprecated_set_value_type (func_val, func_string); |
990a07ab | 272 | memcpy (value_contents_raw (func_val), |
3567439c | 273 | SYMBOL_LINKAGE_NAME (traceframe_fun), |
c906108c | 274 | len); |
88e3b34b | 275 | deprecated_set_value_modifiable (func_val, 0); |
c906108c SS |
276 | set_internalvar (lookup_internalvar ("trace_func"), func_val); |
277 | } | |
278 | ||
d183932d MS |
279 | /* Save file name as "$trace_file", a debugger variable visible to |
280 | users. */ | |
4fa62494 UW |
281 | if (traceframe_sal.symtab == NULL |
282 | || traceframe_sal.symtab->filename == NULL) | |
283 | clear_internalvar (lookup_internalvar ("trace_file")); | |
c906108c SS |
284 | else |
285 | { | |
286 | len = strlen (traceframe_sal.symtab->filename); | |
c5aa993b | 287 | file_range = create_range_type (file_range, |
8b9b9e1a | 288 | builtin_type_int32, 0, len - 1); |
c5aa993b | 289 | file_string = create_array_type (file_string, |
8b9b9e1a | 290 | builtin_type_true_char, file_range); |
c906108c | 291 | file_val = allocate_value (file_string); |
04624583 | 292 | deprecated_set_value_type (file_val, file_string); |
990a07ab | 293 | memcpy (value_contents_raw (file_val), |
c5aa993b | 294 | traceframe_sal.symtab->filename, |
c906108c | 295 | len); |
88e3b34b | 296 | deprecated_set_value_modifiable (file_val, 0); |
c906108c SS |
297 | set_internalvar (lookup_internalvar ("trace_file"), file_val); |
298 | } | |
299 | } | |
300 | ||
c906108c SS |
301 | /* ACTIONS functions: */ |
302 | ||
303 | /* Prototypes for action-parsing utility commands */ | |
1042e4c0 | 304 | static void read_actions (struct breakpoint *); |
c906108c SS |
305 | |
306 | /* The three functions: | |
c5aa993b JM |
307 | collect_pseudocommand, |
308 | while_stepping_pseudocommand, and | |
309 | end_actions_pseudocommand | |
c906108c SS |
310 | are placeholders for "commands" that are actually ONLY to be used |
311 | within a tracepoint action list. If the actual function is ever called, | |
312 | it means that somebody issued the "command" at the top level, | |
313 | which is always an error. */ | |
314 | ||
1042e4c0 | 315 | void |
fba45db2 | 316 | end_actions_pseudocommand (char *args, int from_tty) |
c906108c | 317 | { |
8a3fe4f8 | 318 | error (_("This command cannot be used at the top level.")); |
c906108c SS |
319 | } |
320 | ||
1042e4c0 | 321 | void |
fba45db2 | 322 | while_stepping_pseudocommand (char *args, int from_tty) |
c906108c | 323 | { |
8a3fe4f8 | 324 | error (_("This command can only be used in a tracepoint actions list.")); |
c906108c SS |
325 | } |
326 | ||
327 | static void | |
fba45db2 | 328 | collect_pseudocommand (char *args, int from_tty) |
c906108c | 329 | { |
8a3fe4f8 | 330 | error (_("This command can only be used in a tracepoint actions list.")); |
c906108c SS |
331 | } |
332 | ||
333 | /* Enter a list of actions for a tracepoint. */ | |
334 | static void | |
fba45db2 | 335 | trace_actions_command (char *args, int from_tty) |
c906108c | 336 | { |
1042e4c0 | 337 | struct breakpoint *t; |
c906108c SS |
338 | char tmpbuf[128]; |
339 | char *end_msg = "End with a line saying just \"end\"."; | |
340 | ||
c2d11a7d | 341 | t = get_tracepoint_by_number (&args, 0, 1); |
7a292a7a | 342 | if (t) |
c906108c SS |
343 | { |
344 | sprintf (tmpbuf, "Enter actions for tracepoint %d, one per line.", | |
345 | t->number); | |
346 | ||
347 | if (from_tty) | |
348 | { | |
9a4105ab AC |
349 | if (deprecated_readline_begin_hook) |
350 | (*deprecated_readline_begin_hook) ("%s %s\n", tmpbuf, end_msg); | |
c906108c SS |
351 | else if (input_from_terminal_p ()) |
352 | printf_filtered ("%s\n%s\n", tmpbuf, end_msg); | |
353 | } | |
354 | ||
355 | free_actions (t); | |
356 | t->step_count = 0; /* read_actions may set this */ | |
357 | read_actions (t); | |
358 | ||
9a4105ab AC |
359 | if (deprecated_readline_end_hook) |
360 | (*deprecated_readline_end_hook) (); | |
c906108c SS |
361 | /* tracepoints_changed () */ |
362 | } | |
5c44784c | 363 | /* else just return */ |
c906108c SS |
364 | } |
365 | ||
366 | /* worker function */ | |
367 | static void | |
1042e4c0 | 368 | read_actions (struct breakpoint *t) |
c906108c SS |
369 | { |
370 | char *line; | |
371 | char *prompt1 = "> ", *prompt2 = " > "; | |
372 | char *prompt = prompt1; | |
373 | enum actionline_type linetype; | |
374 | extern FILE *instream; | |
375 | struct action_line *next = NULL, *temp; | |
376 | struct cleanup *old_chain; | |
377 | ||
378 | /* Control-C quits instantly if typed while in this loop | |
379 | since it should not wait until the user types a newline. */ | |
380 | immediate_quit++; | |
1a6fae3c MK |
381 | /* FIXME: kettenis/20010823: Something is wrong here. In this file |
382 | STOP_SIGNAL is never defined. So this code has been left out, at | |
383 | least for quite a while now. Replacing STOP_SIGNAL with SIGTSTP | |
384 | leads to compilation failures since the variable job_control | |
385 | isn't declared. Leave this alone for now. */ | |
c906108c SS |
386 | #ifdef STOP_SIGNAL |
387 | if (job_control) | |
362646f5 | 388 | signal (STOP_SIGNAL, handle_stop_sig); |
c906108c | 389 | #endif |
74b7792f | 390 | old_chain = make_cleanup_free_actions (t); |
c906108c SS |
391 | while (1) |
392 | { | |
d183932d MS |
393 | /* Make sure that all output has been output. Some machines may |
394 | let you get away with leaving out some of the gdb_flush, but | |
395 | not all. */ | |
c906108c SS |
396 | wrap_here (""); |
397 | gdb_flush (gdb_stdout); | |
398 | gdb_flush (gdb_stderr); | |
399 | ||
9a4105ab AC |
400 | if (deprecated_readline_hook && instream == NULL) |
401 | line = (*deprecated_readline_hook) (prompt); | |
c906108c SS |
402 | else if (instream == stdin && ISATTY (instream)) |
403 | { | |
b4f5539f | 404 | line = gdb_readline_wrapper (prompt); |
c5aa993b | 405 | if (line && *line) /* add it to command history */ |
c906108c SS |
406 | add_history (line); |
407 | } | |
408 | else | |
409 | line = gdb_readline (0); | |
410 | ||
549678da | 411 | if (!line) |
d844e34b JB |
412 | { |
413 | line = xstrdup ("end"); | |
414 | printf_filtered ("end\n"); | |
415 | } | |
549678da | 416 | |
c906108c SS |
417 | linetype = validate_actionline (&line, t); |
418 | if (linetype == BADLINE) | |
c5aa993b | 419 | continue; /* already warned -- collect another line */ |
c906108c SS |
420 | |
421 | temp = xmalloc (sizeof (struct action_line)); | |
422 | temp->next = NULL; | |
423 | temp->action = line; | |
424 | ||
425 | if (next == NULL) /* first action for this tracepoint? */ | |
426 | t->actions = next = temp; | |
427 | else | |
428 | { | |
429 | next->next = temp; | |
430 | next = temp; | |
431 | } | |
432 | ||
433 | if (linetype == STEPPING) /* begin "while-stepping" */ | |
7a292a7a SS |
434 | { |
435 | if (prompt == prompt2) | |
436 | { | |
8a3fe4f8 | 437 | warning (_("Already processing 'while-stepping'")); |
7a292a7a SS |
438 | continue; |
439 | } | |
440 | else | |
441 | prompt = prompt2; /* change prompt for stepping actions */ | |
442 | } | |
c906108c | 443 | else if (linetype == END) |
7a292a7a SS |
444 | { |
445 | if (prompt == prompt2) | |
446 | { | |
447 | prompt = prompt1; /* end of single-stepping actions */ | |
448 | } | |
449 | else | |
c5aa993b | 450 | { /* end of actions */ |
7a292a7a SS |
451 | if (t->actions->next == NULL) |
452 | { | |
d183932d MS |
453 | /* An "end" all by itself with no other actions |
454 | means this tracepoint has no actions. | |
455 | Discard empty list. */ | |
7a292a7a SS |
456 | free_actions (t); |
457 | } | |
458 | break; | |
459 | } | |
460 | } | |
c906108c SS |
461 | } |
462 | #ifdef STOP_SIGNAL | |
463 | if (job_control) | |
464 | signal (STOP_SIGNAL, SIG_DFL); | |
465 | #endif | |
8edbea78 | 466 | immediate_quit--; |
c906108c SS |
467 | discard_cleanups (old_chain); |
468 | } | |
469 | ||
470 | /* worker function */ | |
471 | enum actionline_type | |
1042e4c0 | 472 | validate_actionline (char **line, struct breakpoint *t) |
c906108c SS |
473 | { |
474 | struct cmd_list_element *c; | |
475 | struct expression *exp = NULL; | |
c906108c SS |
476 | struct cleanup *old_chain = NULL; |
477 | char *p; | |
478 | ||
15255275 MS |
479 | /* if EOF is typed, *line is NULL */ |
480 | if (*line == NULL) | |
481 | return END; | |
482 | ||
104c1213 | 483 | for (p = *line; isspace ((int) *p);) |
c906108c SS |
484 | p++; |
485 | ||
d183932d MS |
486 | /* Symbol lookup etc. */ |
487 | if (*p == '\0') /* empty line: just prompt for another line. */ | |
c906108c SS |
488 | return BADLINE; |
489 | ||
c5aa993b | 490 | if (*p == '#') /* comment line */ |
c906108c SS |
491 | return GENERIC; |
492 | ||
493 | c = lookup_cmd (&p, cmdlist, "", -1, 1); | |
494 | if (c == 0) | |
495 | { | |
8a3fe4f8 | 496 | warning (_("'%s' is not an action that I know, or is ambiguous."), |
d183932d | 497 | p); |
c906108c SS |
498 | return BADLINE; |
499 | } | |
c5aa993b | 500 | |
bbaca940 | 501 | if (cmd_cfunc_eq (c, collect_pseudocommand)) |
c906108c SS |
502 | { |
503 | struct agent_expr *aexpr; | |
504 | struct agent_reqs areqs; | |
505 | ||
c5aa993b JM |
506 | do |
507 | { /* repeat over a comma-separated list */ | |
508 | QUIT; /* allow user to bail out with ^C */ | |
104c1213 | 509 | while (isspace ((int) *p)) |
c5aa993b | 510 | p++; |
c906108c | 511 | |
c5aa993b JM |
512 | if (*p == '$') /* look for special pseudo-symbols */ |
513 | { | |
c5aa993b JM |
514 | if ((0 == strncasecmp ("reg", p + 1, 3)) || |
515 | (0 == strncasecmp ("arg", p + 1, 3)) || | |
516 | (0 == strncasecmp ("loc", p + 1, 3))) | |
517 | { | |
518 | p = strchr (p, ','); | |
519 | continue; | |
520 | } | |
d183932d | 521 | /* else fall thru, treat p as an expression and parse it! */ |
c5aa993b | 522 | } |
1042e4c0 | 523 | exp = parse_exp_1 (&p, block_for_pc (t->loc->address), 1); |
c13c43fd | 524 | old_chain = make_cleanup (free_current_contents, &exp); |
c906108c | 525 | |
c5aa993b JM |
526 | if (exp->elts[0].opcode == OP_VAR_VALUE) |
527 | { | |
528 | if (SYMBOL_CLASS (exp->elts[2].symbol) == LOC_CONST) | |
529 | { | |
8a3fe4f8 | 530 | warning (_("constant %s (value %ld) will not be collected."), |
3567439c | 531 | SYMBOL_PRINT_NAME (exp->elts[2].symbol), |
c5aa993b JM |
532 | SYMBOL_VALUE (exp->elts[2].symbol)); |
533 | return BADLINE; | |
534 | } | |
535 | else if (SYMBOL_CLASS (exp->elts[2].symbol) == LOC_OPTIMIZED_OUT) | |
536 | { | |
8a3fe4f8 | 537 | warning (_("%s is optimized away and cannot be collected."), |
3567439c | 538 | SYMBOL_PRINT_NAME (exp->elts[2].symbol)); |
c5aa993b JM |
539 | return BADLINE; |
540 | } | |
541 | } | |
c906108c | 542 | |
d183932d MS |
543 | /* We have something to collect, make sure that the expr to |
544 | bytecode translator can handle it and that it's not too | |
545 | long. */ | |
1042e4c0 | 546 | aexpr = gen_trace_for_expr (t->loc->address, exp); |
f23d52e0 | 547 | make_cleanup_free_agent_expr (aexpr); |
c906108c | 548 | |
c5aa993b | 549 | if (aexpr->len > MAX_AGENT_EXPR_LEN) |
8a3fe4f8 | 550 | error (_("expression too complicated, try simplifying")); |
c906108c | 551 | |
c5aa993b | 552 | ax_reqs (aexpr, &areqs); |
b8c9b27d | 553 | (void) make_cleanup (xfree, areqs.reg_mask); |
c906108c | 554 | |
c5aa993b | 555 | if (areqs.flaw != agent_flaw_none) |
8a3fe4f8 | 556 | error (_("malformed expression")); |
c906108c | 557 | |
c5aa993b | 558 | if (areqs.min_height < 0) |
8a3fe4f8 | 559 | error (_("gdb: Internal error: expression has min height < 0")); |
c906108c | 560 | |
c5aa993b | 561 | if (areqs.max_height > 20) |
8a3fe4f8 | 562 | error (_("expression too complicated, try simplifying")); |
c906108c | 563 | |
c5aa993b JM |
564 | do_cleanups (old_chain); |
565 | } | |
566 | while (p && *p++ == ','); | |
c906108c SS |
567 | return GENERIC; |
568 | } | |
bbaca940 | 569 | else if (cmd_cfunc_eq (c, while_stepping_pseudocommand)) |
c906108c | 570 | { |
c5aa993b | 571 | char *steparg; /* in case warning is necessary */ |
c906108c | 572 | |
104c1213 | 573 | while (isspace ((int) *p)) |
c906108c SS |
574 | p++; |
575 | steparg = p; | |
576 | ||
577 | if (*p == '\0' || | |
578 | (t->step_count = strtol (p, &p, 0)) == 0) | |
579 | { | |
8a3fe4f8 | 580 | warning (_("'%s': bad step-count; command ignored."), *line); |
c906108c SS |
581 | return BADLINE; |
582 | } | |
583 | return STEPPING; | |
584 | } | |
bbaca940 | 585 | else if (cmd_cfunc_eq (c, end_actions_pseudocommand)) |
c906108c SS |
586 | return END; |
587 | else | |
588 | { | |
8a3fe4f8 | 589 | warning (_("'%s' is not a supported tracepoint action."), *line); |
c906108c SS |
590 | return BADLINE; |
591 | } | |
592 | } | |
593 | ||
594 | /* worker function */ | |
c5aa993b | 595 | void |
1042e4c0 | 596 | free_actions (struct breakpoint *t) |
c906108c SS |
597 | { |
598 | struct action_line *line, *next; | |
599 | ||
600 | for (line = t->actions; line; line = next) | |
601 | { | |
602 | next = line->next; | |
c5aa993b | 603 | if (line->action) |
b8c9b27d KB |
604 | xfree (line->action); |
605 | xfree (line); | |
c906108c SS |
606 | } |
607 | t->actions = NULL; | |
608 | } | |
609 | ||
74b7792f AC |
610 | static void |
611 | do_free_actions_cleanup (void *t) | |
612 | { | |
613 | free_actions (t); | |
614 | } | |
615 | ||
616 | static struct cleanup * | |
1042e4c0 | 617 | make_cleanup_free_actions (struct breakpoint *t) |
74b7792f AC |
618 | { |
619 | return make_cleanup (do_free_actions_cleanup, t); | |
620 | } | |
621 | ||
f50e79a4 JB |
622 | enum { |
623 | memrange_absolute = -1 | |
624 | }; | |
625 | ||
c5aa993b JM |
626 | struct memrange |
627 | { | |
f50e79a4 JB |
628 | int type; /* memrange_absolute for absolute memory range, |
629 | else basereg number */ | |
c906108c SS |
630 | bfd_signed_vma start; |
631 | bfd_signed_vma end; | |
632 | }; | |
633 | ||
c5aa993b JM |
634 | struct collection_list |
635 | { | |
549678da | 636 | unsigned char regs_mask[32]; /* room for up to 256 regs */ |
c5aa993b JM |
637 | long listsize; |
638 | long next_memrange; | |
639 | struct memrange *list; | |
640 | long aexpr_listsize; /* size of array pointed to by expr_list elt */ | |
641 | long next_aexpr_elt; | |
642 | struct agent_expr **aexpr_list; | |
643 | ||
644 | } | |
645 | tracepoint_list, stepping_list; | |
c906108c SS |
646 | |
647 | /* MEMRANGE functions: */ | |
648 | ||
a14ed312 | 649 | static int memrange_cmp (const void *, const void *); |
c906108c SS |
650 | |
651 | /* compare memranges for qsort */ | |
652 | static int | |
fba45db2 | 653 | memrange_cmp (const void *va, const void *vb) |
c906108c SS |
654 | { |
655 | const struct memrange *a = va, *b = vb; | |
656 | ||
657 | if (a->type < b->type) | |
658 | return -1; | |
659 | if (a->type > b->type) | |
c5aa993b | 660 | return 1; |
f50e79a4 | 661 | if (a->type == memrange_absolute) |
c906108c | 662 | { |
c5aa993b JM |
663 | if ((bfd_vma) a->start < (bfd_vma) b->start) |
664 | return -1; | |
665 | if ((bfd_vma) a->start > (bfd_vma) b->start) | |
666 | return 1; | |
c906108c SS |
667 | } |
668 | else | |
669 | { | |
c5aa993b | 670 | if (a->start < b->start) |
c906108c | 671 | return -1; |
c5aa993b JM |
672 | if (a->start > b->start) |
673 | return 1; | |
c906108c SS |
674 | } |
675 | return 0; | |
676 | } | |
677 | ||
d183932d | 678 | /* Sort the memrange list using qsort, and merge adjacent memranges. */ |
c906108c | 679 | static void |
fba45db2 | 680 | memrange_sortmerge (struct collection_list *memranges) |
c906108c SS |
681 | { |
682 | int a, b; | |
683 | ||
c5aa993b | 684 | qsort (memranges->list, memranges->next_memrange, |
c906108c SS |
685 | sizeof (struct memrange), memrange_cmp); |
686 | if (memranges->next_memrange > 0) | |
687 | { | |
688 | for (a = 0, b = 1; b < memranges->next_memrange; b++) | |
689 | { | |
690 | if (memranges->list[a].type == memranges->list[b].type && | |
c5aa993b | 691 | memranges->list[b].start - memranges->list[a].end <= |
0c92afe8 | 692 | MAX_REGISTER_SIZE) |
c906108c SS |
693 | { |
694 | /* memrange b starts before memrange a ends; merge them. */ | |
695 | if (memranges->list[b].end > memranges->list[a].end) | |
696 | memranges->list[a].end = memranges->list[b].end; | |
697 | continue; /* next b, same a */ | |
698 | } | |
699 | a++; /* next a */ | |
700 | if (a != b) | |
c5aa993b | 701 | memcpy (&memranges->list[a], &memranges->list[b], |
c906108c SS |
702 | sizeof (struct memrange)); |
703 | } | |
704 | memranges->next_memrange = a + 1; | |
705 | } | |
706 | } | |
707 | ||
d183932d | 708 | /* Add a register to a collection list. */ |
392a587b | 709 | static void |
fba45db2 | 710 | add_register (struct collection_list *collection, unsigned int regno) |
c906108c SS |
711 | { |
712 | if (info_verbose) | |
713 | printf_filtered ("collect register %d\n", regno); | |
27e06d3e | 714 | if (regno >= (8 * sizeof (collection->regs_mask))) |
8a3fe4f8 | 715 | error (_("Internal: register number %d too large for tracepoint"), |
c906108c | 716 | regno); |
c5aa993b | 717 | collection->regs_mask[regno / 8] |= 1 << (regno % 8); |
c906108c SS |
718 | } |
719 | ||
720 | /* Add a memrange to a collection list */ | |
721 | static void | |
d183932d MS |
722 | add_memrange (struct collection_list *memranges, |
723 | int type, bfd_signed_vma base, | |
fba45db2 | 724 | unsigned long len) |
c906108c SS |
725 | { |
726 | if (info_verbose) | |
104c1213 JM |
727 | { |
728 | printf_filtered ("(%d,", type); | |
729 | printf_vma (base); | |
730 | printf_filtered (",%ld)\n", len); | |
731 | } | |
732 | ||
f50e79a4 | 733 | /* type: memrange_absolute == memory, other n == basereg */ |
c5aa993b | 734 | memranges->list[memranges->next_memrange].type = type; |
d183932d | 735 | /* base: addr if memory, offset if reg relative. */ |
c906108c SS |
736 | memranges->list[memranges->next_memrange].start = base; |
737 | /* len: we actually save end (base + len) for convenience */ | |
c5aa993b | 738 | memranges->list[memranges->next_memrange].end = base + len; |
c906108c SS |
739 | memranges->next_memrange++; |
740 | if (memranges->next_memrange >= memranges->listsize) | |
741 | { | |
742 | memranges->listsize *= 2; | |
c5aa993b | 743 | memranges->list = xrealloc (memranges->list, |
c906108c SS |
744 | memranges->listsize); |
745 | } | |
746 | ||
f50e79a4 | 747 | if (type != memrange_absolute) /* Better collect the base register! */ |
c906108c SS |
748 | add_register (memranges, type); |
749 | } | |
750 | ||
d183932d | 751 | /* Add a symbol to a collection list. */ |
c906108c | 752 | static void |
d183932d MS |
753 | collect_symbol (struct collection_list *collect, |
754 | struct symbol *sym, | |
fba45db2 | 755 | long frame_regno, long frame_offset) |
c906108c | 756 | { |
c5aa993b | 757 | unsigned long len; |
104c1213 | 758 | unsigned int reg; |
c906108c SS |
759 | bfd_signed_vma offset; |
760 | ||
c5aa993b JM |
761 | len = TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym))); |
762 | switch (SYMBOL_CLASS (sym)) | |
763 | { | |
764 | default: | |
765 | printf_filtered ("%s: don't know symbol class %d\n", | |
3567439c | 766 | SYMBOL_PRINT_NAME (sym), |
d183932d | 767 | SYMBOL_CLASS (sym)); |
c5aa993b JM |
768 | break; |
769 | case LOC_CONST: | |
104c1213 | 770 | printf_filtered ("constant %s (value %ld) will not be collected.\n", |
3567439c | 771 | SYMBOL_PRINT_NAME (sym), SYMBOL_VALUE (sym)); |
c5aa993b JM |
772 | break; |
773 | case LOC_STATIC: | |
774 | offset = SYMBOL_VALUE_ADDRESS (sym); | |
775 | if (info_verbose) | |
104c1213 JM |
776 | { |
777 | char tmp[40]; | |
778 | ||
779 | sprintf_vma (tmp, offset); | |
780 | printf_filtered ("LOC_STATIC %s: collect %ld bytes at %s.\n", | |
3567439c | 781 | SYMBOL_PRINT_NAME (sym), len, |
d183932d | 782 | tmp /* address */); |
104c1213 | 783 | } |
f50e79a4 | 784 | add_memrange (collect, memrange_absolute, offset, len); |
c5aa993b JM |
785 | break; |
786 | case LOC_REGISTER: | |
768a979c | 787 | reg = SYMBOL_REGISTER_OPS (sym)->register_number (sym, current_gdbarch); |
c5aa993b | 788 | if (info_verbose) |
d183932d | 789 | printf_filtered ("LOC_REG[parm] %s: ", |
3567439c | 790 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b | 791 | add_register (collect, reg); |
d183932d MS |
792 | /* Check for doubles stored in two registers. */ |
793 | /* FIXME: how about larger types stored in 3 or more regs? */ | |
c5aa993b | 794 | if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_FLT && |
3acba339 | 795 | len > register_size (current_gdbarch, reg)) |
c5aa993b JM |
796 | add_register (collect, reg + 1); |
797 | break; | |
798 | case LOC_REF_ARG: | |
799 | printf_filtered ("Sorry, don't know how to do LOC_REF_ARG yet.\n"); | |
800 | printf_filtered (" (will not collect %s)\n", | |
3567439c | 801 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b JM |
802 | break; |
803 | case LOC_ARG: | |
804 | reg = frame_regno; | |
805 | offset = frame_offset + SYMBOL_VALUE (sym); | |
806 | if (info_verbose) | |
807 | { | |
104c1213 | 808 | printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ", |
3567439c | 809 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
810 | printf_vma (offset); |
811 | printf_filtered (" from frame ptr reg %d\n", reg); | |
c5aa993b JM |
812 | } |
813 | add_memrange (collect, reg, offset, len); | |
814 | break; | |
815 | case LOC_REGPARM_ADDR: | |
816 | reg = SYMBOL_VALUE (sym); | |
817 | offset = 0; | |
818 | if (info_verbose) | |
819 | { | |
104c1213 | 820 | printf_filtered ("LOC_REGPARM_ADDR %s: Collect %ld bytes at offset ", |
3567439c | 821 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
822 | printf_vma (offset); |
823 | printf_filtered (" from reg %d\n", reg); | |
c5aa993b JM |
824 | } |
825 | add_memrange (collect, reg, offset, len); | |
826 | break; | |
827 | case LOC_LOCAL: | |
c5aa993b JM |
828 | reg = frame_regno; |
829 | offset = frame_offset + SYMBOL_VALUE (sym); | |
830 | if (info_verbose) | |
831 | { | |
104c1213 | 832 | printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ", |
3567439c | 833 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
834 | printf_vma (offset); |
835 | printf_filtered (" from frame ptr reg %d\n", reg); | |
c5aa993b JM |
836 | } |
837 | add_memrange (collect, reg, offset, len); | |
838 | break; | |
c5aa993b | 839 | case LOC_UNRESOLVED: |
d183932d | 840 | printf_filtered ("Don't know LOC_UNRESOLVED %s\n", |
3567439c | 841 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b JM |
842 | break; |
843 | case LOC_OPTIMIZED_OUT: | |
8e1a459b | 844 | printf_filtered ("%s has been optimized out of existence.\n", |
3567439c | 845 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b JM |
846 | break; |
847 | } | |
c906108c SS |
848 | } |
849 | ||
850 | /* Add all locals (or args) symbols to collection list */ | |
851 | static void | |
fba45db2 KB |
852 | add_local_symbols (struct collection_list *collect, CORE_ADDR pc, |
853 | long frame_regno, long frame_offset, int type) | |
c906108c SS |
854 | { |
855 | struct symbol *sym; | |
c5aa993b | 856 | struct block *block; |
de4f826b DC |
857 | struct dict_iterator iter; |
858 | int count = 0; | |
c906108c SS |
859 | |
860 | block = block_for_pc (pc); | |
861 | while (block != 0) | |
862 | { | |
c5aa993b | 863 | QUIT; /* allow user to bail out with ^C */ |
de4f826b | 864 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
c906108c | 865 | { |
2a2d4dc3 AS |
866 | if (SYMBOL_IS_ARGUMENT (sym) |
867 | ? type == 'A' /* collecting Arguments */ | |
868 | : type == 'L') /* collecting Locals */ | |
c5aa993b | 869 | { |
2a2d4dc3 AS |
870 | count++; |
871 | collect_symbol (collect, sym, frame_regno, | |
872 | frame_offset); | |
c5aa993b | 873 | } |
c906108c SS |
874 | } |
875 | if (BLOCK_FUNCTION (block)) | |
876 | break; | |
877 | else | |
878 | block = BLOCK_SUPERBLOCK (block); | |
879 | } | |
880 | if (count == 0) | |
8a3fe4f8 | 881 | warning (_("No %s found in scope."), |
d183932d | 882 | type == 'L' ? "locals" : "args"); |
c906108c SS |
883 | } |
884 | ||
885 | /* worker function */ | |
886 | static void | |
fba45db2 | 887 | clear_collection_list (struct collection_list *list) |
c906108c SS |
888 | { |
889 | int ndx; | |
890 | ||
891 | list->next_memrange = 0; | |
892 | for (ndx = 0; ndx < list->next_aexpr_elt; ndx++) | |
893 | { | |
c5aa993b | 894 | free_agent_expr (list->aexpr_list[ndx]); |
c906108c SS |
895 | list->aexpr_list[ndx] = NULL; |
896 | } | |
897 | list->next_aexpr_elt = 0; | |
898 | memset (list->regs_mask, 0, sizeof (list->regs_mask)); | |
899 | } | |
900 | ||
901 | /* reduce a collection list to string form (for gdb protocol) */ | |
902 | static char ** | |
fba45db2 | 903 | stringify_collection_list (struct collection_list *list, char *string) |
c906108c SS |
904 | { |
905 | char temp_buf[2048]; | |
104c1213 | 906 | char tmp2[40]; |
c906108c SS |
907 | int count; |
908 | int ndx = 0; | |
909 | char *(*str_list)[]; | |
910 | char *end; | |
c5aa993b | 911 | long i; |
c906108c SS |
912 | |
913 | count = 1 + list->next_memrange + list->next_aexpr_elt + 1; | |
c5aa993b | 914 | str_list = (char *(*)[]) xmalloc (count * sizeof (char *)); |
c906108c SS |
915 | |
916 | for (i = sizeof (list->regs_mask) - 1; i > 0; i--) | |
917 | if (list->regs_mask[i] != 0) /* skip leading zeroes in regs_mask */ | |
918 | break; | |
919 | if (list->regs_mask[i] != 0) /* prepare to send regs_mask to the stub */ | |
920 | { | |
921 | if (info_verbose) | |
922 | printf_filtered ("\nCollecting registers (mask): 0x"); | |
923 | end = temp_buf; | |
c5aa993b | 924 | *end++ = 'R'; |
c906108c SS |
925 | for (; i >= 0; i--) |
926 | { | |
c5aa993b | 927 | QUIT; /* allow user to bail out with ^C */ |
c906108c SS |
928 | if (info_verbose) |
929 | printf_filtered ("%02X", list->regs_mask[i]); | |
c5aa993b | 930 | sprintf (end, "%02X", list->regs_mask[i]); |
c906108c SS |
931 | end += 2; |
932 | } | |
1b36a34b | 933 | (*str_list)[ndx] = xstrdup (temp_buf); |
c906108c SS |
934 | ndx++; |
935 | } | |
936 | if (info_verbose) | |
937 | printf_filtered ("\n"); | |
938 | if (list->next_memrange > 0 && info_verbose) | |
939 | printf_filtered ("Collecting memranges: \n"); | |
940 | for (i = 0, count = 0, end = temp_buf; i < list->next_memrange; i++) | |
941 | { | |
942 | QUIT; /* allow user to bail out with ^C */ | |
104c1213 | 943 | sprintf_vma (tmp2, list->list[i].start); |
c906108c | 944 | if (info_verbose) |
104c1213 JM |
945 | { |
946 | printf_filtered ("(%d, %s, %ld)\n", | |
947 | list->list[i].type, | |
948 | tmp2, | |
949 | (long) (list->list[i].end - list->list[i].start)); | |
950 | } | |
c906108c SS |
951 | if (count + 27 > MAX_AGENT_EXPR_LEN) |
952 | { | |
c5aa993b | 953 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
954 | ndx++; |
955 | count = 0; | |
956 | end = temp_buf; | |
957 | } | |
104c1213 | 958 | |
d1948716 JB |
959 | { |
960 | bfd_signed_vma length = list->list[i].end - list->list[i].start; | |
961 | ||
962 | /* The "%X" conversion specifier expects an unsigned argument, | |
f50e79a4 JB |
963 | so passing -1 (memrange_absolute) to it directly gives you |
964 | "FFFFFFFF" (or more, depending on sizeof (unsigned)). | |
965 | Special-case it. */ | |
966 | if (list->list[i].type == memrange_absolute) | |
d1948716 JB |
967 | sprintf (end, "M-1,%s,%lX", tmp2, (long) length); |
968 | else | |
969 | sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length); | |
970 | } | |
104c1213 | 971 | |
c906108c | 972 | count += strlen (end); |
3ffbc0a5 | 973 | end = temp_buf + count; |
c906108c SS |
974 | } |
975 | ||
976 | for (i = 0; i < list->next_aexpr_elt; i++) | |
977 | { | |
978 | QUIT; /* allow user to bail out with ^C */ | |
979 | if ((count + 10 + 2 * list->aexpr_list[i]->len) > MAX_AGENT_EXPR_LEN) | |
980 | { | |
c5aa993b | 981 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
982 | ndx++; |
983 | count = 0; | |
984 | end = temp_buf; | |
985 | } | |
986 | sprintf (end, "X%08X,", list->aexpr_list[i]->len); | |
987 | end += 10; /* 'X' + 8 hex digits + ',' */ | |
988 | count += 10; | |
989 | ||
d183932d MS |
990 | end = mem2hex (list->aexpr_list[i]->buf, |
991 | end, list->aexpr_list[i]->len); | |
c906108c SS |
992 | count += 2 * list->aexpr_list[i]->len; |
993 | } | |
994 | ||
995 | if (count != 0) | |
996 | { | |
c5aa993b | 997 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
998 | ndx++; |
999 | count = 0; | |
1000 | end = temp_buf; | |
1001 | } | |
1002 | (*str_list)[ndx] = NULL; | |
1003 | ||
1004 | if (ndx == 0) | |
27e06d3e | 1005 | { |
6c761d9c | 1006 | xfree (str_list); |
27e06d3e MS |
1007 | return NULL; |
1008 | } | |
c906108c SS |
1009 | else |
1010 | return *str_list; | |
1011 | } | |
1012 | ||
392a587b | 1013 | static void |
fba45db2 | 1014 | free_actions_list_cleanup_wrapper (void *al) |
392a587b JM |
1015 | { |
1016 | free_actions_list (al); | |
1017 | } | |
1018 | ||
1019 | static void | |
fba45db2 | 1020 | free_actions_list (char **actions_list) |
c906108c SS |
1021 | { |
1022 | int ndx; | |
1023 | ||
1024 | if (actions_list == 0) | |
1025 | return; | |
1026 | ||
1027 | for (ndx = 0; actions_list[ndx]; ndx++) | |
b8c9b27d | 1028 | xfree (actions_list[ndx]); |
c906108c | 1029 | |
b8c9b27d | 1030 | xfree (actions_list); |
c906108c SS |
1031 | } |
1032 | ||
d183932d | 1033 | /* Render all actions into gdb protocol. */ |
c906108c | 1034 | static void |
1042e4c0 | 1035 | encode_actions (struct breakpoint *t, char ***tdp_actions, |
fba45db2 | 1036 | char ***stepping_actions) |
c906108c | 1037 | { |
c5aa993b JM |
1038 | static char tdp_buff[2048], step_buff[2048]; |
1039 | char *action_exp; | |
1040 | struct expression *exp = NULL; | |
c906108c | 1041 | struct action_line *action; |
104c1213 | 1042 | int i; |
f976f6d4 | 1043 | struct value *tempval; |
c5aa993b | 1044 | struct collection_list *collect; |
c906108c SS |
1045 | struct cmd_list_element *cmd; |
1046 | struct agent_expr *aexpr; | |
39d4ef09 AC |
1047 | int frame_reg; |
1048 | LONGEST frame_offset; | |
c906108c SS |
1049 | |
1050 | ||
1051 | clear_collection_list (&tracepoint_list); | |
1052 | clear_collection_list (&stepping_list); | |
1053 | collect = &tracepoint_list; | |
1054 | ||
1055 | *tdp_actions = NULL; | |
1056 | *stepping_actions = NULL; | |
1057 | ||
c7bb205c | 1058 | gdbarch_virtual_frame_pointer (current_gdbarch, |
1042e4c0 | 1059 | t->loc->address, &frame_reg, &frame_offset); |
c906108c SS |
1060 | |
1061 | for (action = t->actions; action; action = action->next) | |
1062 | { | |
1063 | QUIT; /* allow user to bail out with ^C */ | |
1064 | action_exp = action->action; | |
104c1213 | 1065 | while (isspace ((int) *action_exp)) |
c906108c SS |
1066 | action_exp++; |
1067 | ||
1068 | if (*action_exp == '#') /* comment line */ | |
1069 | return; | |
1070 | ||
1071 | cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1); | |
1072 | if (cmd == 0) | |
8a3fe4f8 | 1073 | error (_("Bad action list item: %s"), action_exp); |
c906108c | 1074 | |
bbaca940 | 1075 | if (cmd_cfunc_eq (cmd, collect_pseudocommand)) |
c906108c | 1076 | { |
c5aa993b JM |
1077 | do |
1078 | { /* repeat over a comma-separated list */ | |
1079 | QUIT; /* allow user to bail out with ^C */ | |
104c1213 | 1080 | while (isspace ((int) *action_exp)) |
c5aa993b | 1081 | action_exp++; |
c906108c | 1082 | |
c5aa993b JM |
1083 | if (0 == strncasecmp ("$reg", action_exp, 4)) |
1084 | { | |
f57d151a | 1085 | for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++) |
c5aa993b JM |
1086 | add_register (collect, i); |
1087 | action_exp = strchr (action_exp, ','); /* more? */ | |
1088 | } | |
1089 | else if (0 == strncasecmp ("$arg", action_exp, 4)) | |
1090 | { | |
1091 | add_local_symbols (collect, | |
1042e4c0 | 1092 | t->loc->address, |
c5aa993b JM |
1093 | frame_reg, |
1094 | frame_offset, | |
1095 | 'A'); | |
1096 | action_exp = strchr (action_exp, ','); /* more? */ | |
1097 | } | |
1098 | else if (0 == strncasecmp ("$loc", action_exp, 4)) | |
1099 | { | |
1100 | add_local_symbols (collect, | |
1042e4c0 | 1101 | t->loc->address, |
c5aa993b JM |
1102 | frame_reg, |
1103 | frame_offset, | |
1104 | 'L'); | |
1105 | action_exp = strchr (action_exp, ','); /* more? */ | |
1106 | } | |
1107 | else | |
1108 | { | |
1109 | unsigned long addr, len; | |
1110 | struct cleanup *old_chain = NULL; | |
1111 | struct cleanup *old_chain1 = NULL; | |
1112 | struct agent_reqs areqs; | |
1113 | ||
75ac9d7b | 1114 | exp = parse_exp_1 (&action_exp, |
1042e4c0 | 1115 | block_for_pc (t->loc->address), 1); |
74b7792f | 1116 | old_chain = make_cleanup (free_current_contents, &exp); |
c906108c | 1117 | |
c5aa993b JM |
1118 | switch (exp->elts[0].opcode) |
1119 | { | |
1120 | case OP_REGISTER: | |
67f3407f DJ |
1121 | { |
1122 | const char *name = &exp->elts[2].string; | |
1123 | ||
029a67e4 UW |
1124 | i = user_reg_map_name_to_regnum (current_gdbarch, |
1125 | name, strlen (name)); | |
67f3407f DJ |
1126 | if (i == -1) |
1127 | internal_error (__FILE__, __LINE__, | |
1128 | _("Register $%s not available"), | |
1129 | name); | |
1130 | if (info_verbose) | |
1131 | printf_filtered ("OP_REGISTER: "); | |
1132 | add_register (collect, i); | |
1133 | break; | |
1134 | } | |
c5aa993b JM |
1135 | |
1136 | case UNOP_MEMVAL: | |
1137 | /* safe because we know it's a simple expression */ | |
1138 | tempval = evaluate_expression (exp); | |
42ae5230 | 1139 | addr = value_address (tempval); |
c5aa993b | 1140 | len = TYPE_LENGTH (check_typedef (exp->elts[1].type)); |
f50e79a4 | 1141 | add_memrange (collect, memrange_absolute, addr, len); |
c5aa993b JM |
1142 | break; |
1143 | ||
1144 | case OP_VAR_VALUE: | |
1145 | collect_symbol (collect, | |
1146 | exp->elts[2].symbol, | |
1147 | frame_reg, | |
1148 | frame_offset); | |
1149 | break; | |
1150 | ||
1151 | default: /* full-fledged expression */ | |
1042e4c0 | 1152 | aexpr = gen_trace_for_expr (t->loc->address, exp); |
c5aa993b | 1153 | |
f23d52e0 | 1154 | old_chain1 = make_cleanup_free_agent_expr (aexpr); |
c5aa993b JM |
1155 | |
1156 | ax_reqs (aexpr, &areqs); | |
1157 | if (areqs.flaw != agent_flaw_none) | |
8a3fe4f8 | 1158 | error (_("malformed expression")); |
c5aa993b JM |
1159 | |
1160 | if (areqs.min_height < 0) | |
8a3fe4f8 | 1161 | error (_("gdb: Internal error: expression has min height < 0")); |
c5aa993b | 1162 | if (areqs.max_height > 20) |
8a3fe4f8 | 1163 | error (_("expression too complicated, try simplifying")); |
c5aa993b JM |
1164 | |
1165 | discard_cleanups (old_chain1); | |
1166 | add_aexpr (collect, aexpr); | |
1167 | ||
1168 | /* take care of the registers */ | |
1169 | if (areqs.reg_mask_len > 0) | |
c906108c | 1170 | { |
c5aa993b JM |
1171 | int ndx1; |
1172 | int ndx2; | |
1173 | ||
1174 | for (ndx1 = 0; ndx1 < areqs.reg_mask_len; ndx1++) | |
c906108c | 1175 | { |
c5aa993b JM |
1176 | QUIT; /* allow user to bail out with ^C */ |
1177 | if (areqs.reg_mask[ndx1] != 0) | |
1178 | { | |
1179 | /* assume chars have 8 bits */ | |
1180 | for (ndx2 = 0; ndx2 < 8; ndx2++) | |
1181 | if (areqs.reg_mask[ndx1] & (1 << ndx2)) | |
1182 | /* it's used -- record it */ | |
d183932d MS |
1183 | add_register (collect, |
1184 | ndx1 * 8 + ndx2); | |
c5aa993b | 1185 | } |
c906108c SS |
1186 | } |
1187 | } | |
c5aa993b JM |
1188 | break; |
1189 | } /* switch */ | |
1190 | do_cleanups (old_chain); | |
1191 | } /* do */ | |
1192 | } | |
1193 | while (action_exp && *action_exp++ == ','); | |
1194 | } /* if */ | |
bbaca940 | 1195 | else if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) |
c906108c SS |
1196 | { |
1197 | collect = &stepping_list; | |
1198 | } | |
bbaca940 | 1199 | else if (cmd_cfunc_eq (cmd, end_actions_pseudocommand)) |
c906108c SS |
1200 | { |
1201 | if (collect == &stepping_list) /* end stepping actions */ | |
1202 | collect = &tracepoint_list; | |
1203 | else | |
c5aa993b | 1204 | break; /* end tracepoint actions */ |
c906108c | 1205 | } |
c5aa993b JM |
1206 | } /* for */ |
1207 | memrange_sortmerge (&tracepoint_list); | |
1208 | memrange_sortmerge (&stepping_list); | |
c906108c | 1209 | |
d183932d MS |
1210 | *tdp_actions = stringify_collection_list (&tracepoint_list, |
1211 | tdp_buff); | |
1212 | *stepping_actions = stringify_collection_list (&stepping_list, | |
1213 | step_buff); | |
c906108c SS |
1214 | } |
1215 | ||
1216 | static void | |
fba45db2 | 1217 | add_aexpr (struct collection_list *collect, struct agent_expr *aexpr) |
c906108c SS |
1218 | { |
1219 | if (collect->next_aexpr_elt >= collect->aexpr_listsize) | |
1220 | { | |
1221 | collect->aexpr_list = | |
1222 | xrealloc (collect->aexpr_list, | |
c5aa993b | 1223 | 2 * collect->aexpr_listsize * sizeof (struct agent_expr *)); |
c906108c SS |
1224 | collect->aexpr_listsize *= 2; |
1225 | } | |
1226 | collect->aexpr_list[collect->next_aexpr_elt] = aexpr; | |
1227 | collect->next_aexpr_elt++; | |
1228 | } | |
1229 | ||
6d820c5c DJ |
1230 | static char *target_buf; |
1231 | static long target_buf_size; | |
c906108c SS |
1232 | |
1233 | /* Set "transparent" memory ranges | |
1234 | ||
1235 | Allow trace mechanism to treat text-like sections | |
1236 | (and perhaps all read-only sections) transparently, | |
1237 | i.e. don't reject memory requests from these address ranges | |
1238 | just because they haven't been collected. */ | |
1239 | ||
1240 | static void | |
1241 | remote_set_transparent_ranges (void) | |
1242 | { | |
c906108c SS |
1243 | asection *s; |
1244 | bfd_size_type size; | |
1245 | bfd_vma lma; | |
1246 | int anysecs = 0; | |
1247 | ||
1248 | if (!exec_bfd) | |
d183932d | 1249 | return; /* No information to give. */ |
c906108c SS |
1250 | |
1251 | strcpy (target_buf, "QTro"); | |
1252 | for (s = exec_bfd->sections; s; s = s->next) | |
1253 | { | |
104c1213 | 1254 | char tmp1[40], tmp2[40]; |
c906108c | 1255 | |
c5aa993b JM |
1256 | if ((s->flags & SEC_LOAD) == 0 || |
1257 | /* (s->flags & SEC_CODE) == 0 || */ | |
c906108c SS |
1258 | (s->flags & SEC_READONLY) == 0) |
1259 | continue; | |
1260 | ||
1261 | anysecs = 1; | |
c5aa993b | 1262 | lma = s->lma; |
2c500098 | 1263 | size = bfd_get_section_size (s); |
104c1213 JM |
1264 | sprintf_vma (tmp1, lma); |
1265 | sprintf_vma (tmp2, lma + size); | |
1266 | sprintf (target_buf + strlen (target_buf), | |
1267 | ":%s,%s", tmp1, tmp2); | |
c906108c SS |
1268 | } |
1269 | if (anysecs) | |
1270 | { | |
1271 | putpkt (target_buf); | |
6d820c5c | 1272 | getpkt (&target_buf, &target_buf_size, 0); |
c906108c SS |
1273 | } |
1274 | } | |
1275 | ||
1276 | /* tstart command: | |
c5aa993b | 1277 | |
c906108c SS |
1278 | Tell target to clear any previous trace experiment. |
1279 | Walk the list of tracepoints, and send them (and their actions) | |
1280 | to the target. If no errors, | |
1281 | Tell target to start a new trace experiment. */ | |
1282 | ||
1042e4c0 SS |
1283 | void download_tracepoint (struct breakpoint *t); |
1284 | ||
c906108c | 1285 | static void |
fba45db2 | 1286 | trace_start_command (char *args, int from_tty) |
d183932d | 1287 | { |
1042e4c0 SS |
1288 | VEC(breakpoint_p) *tp_vec = NULL; |
1289 | int ix; | |
1290 | struct breakpoint *t; | |
c906108c | 1291 | |
d183932d | 1292 | dont_repeat (); /* Like "run", dangerous to repeat accidentally. */ |
c5aa993b | 1293 | |
c906108c SS |
1294 | if (target_is_remote ()) |
1295 | { | |
1296 | putpkt ("QTinit"); | |
6d820c5c | 1297 | remote_get_noisy_reply (&target_buf, &target_buf_size); |
c906108c | 1298 | if (strcmp (target_buf, "OK")) |
8a3fe4f8 | 1299 | error (_("Target does not support this command.")); |
c906108c | 1300 | |
1042e4c0 SS |
1301 | tp_vec = all_tracepoints (); |
1302 | for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, t); ix++) | |
1303 | { | |
1304 | download_tracepoint (t); | |
1305 | } | |
1306 | VEC_free (breakpoint_p, tp_vec); | |
c5aa993b | 1307 | |
d183932d | 1308 | /* Tell target to treat text-like sections as transparent. */ |
c906108c | 1309 | remote_set_transparent_ranges (); |
d183932d | 1310 | /* Now insert traps and begin collecting data. */ |
c906108c | 1311 | putpkt ("QTStart"); |
6d820c5c | 1312 | remote_get_noisy_reply (&target_buf, &target_buf_size); |
c906108c | 1313 | if (strcmp (target_buf, "OK")) |
8a3fe4f8 | 1314 | error (_("Bogus reply from target: %s"), target_buf); |
d183932d | 1315 | set_traceframe_num (-1); /* All old traceframes invalidated. */ |
c906108c | 1316 | set_tracepoint_num (-1); |
fb14de7b | 1317 | set_traceframe_context (NULL); |
c906108c | 1318 | trace_running_p = 1; |
9a4105ab AC |
1319 | if (deprecated_trace_start_stop_hook) |
1320 | deprecated_trace_start_stop_hook (1, from_tty); | |
c5aa993b | 1321 | |
c906108c SS |
1322 | } |
1323 | else | |
8a3fe4f8 | 1324 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1325 | } |
1326 | ||
1042e4c0 SS |
1327 | /* Send the definition of a single tracepoint to the target. */ |
1328 | ||
1329 | void | |
1330 | download_tracepoint (struct breakpoint *t) | |
1331 | { | |
1332 | char tmp[40]; | |
1333 | char buf[2048]; | |
1334 | char **tdp_actions; | |
1335 | char **stepping_actions; | |
1336 | int ndx; | |
1337 | struct cleanup *old_chain = NULL; | |
1338 | ||
1339 | sprintf_vma (tmp, (t->loc ? t->loc->address : 0)); | |
1340 | sprintf (buf, "QTDP:%x:%s:%c:%lx:%x", t->number, | |
1341 | tmp, /* address */ | |
1342 | (t->enable_state == bp_enabled ? 'E' : 'D'), | |
1343 | t->step_count, t->pass_count); | |
1344 | ||
1345 | if (t->actions) | |
1346 | strcat (buf, "-"); | |
1347 | putpkt (buf); | |
1348 | remote_get_noisy_reply (&target_buf, &target_buf_size); | |
1349 | if (strcmp (target_buf, "OK")) | |
1350 | error (_("Target does not support tracepoints.")); | |
1351 | ||
1352 | if (!t->actions) | |
1353 | return; | |
1354 | ||
1355 | encode_actions (t, &tdp_actions, &stepping_actions); | |
1356 | old_chain = make_cleanup (free_actions_list_cleanup_wrapper, | |
1357 | tdp_actions); | |
1358 | (void) make_cleanup (free_actions_list_cleanup_wrapper, stepping_actions); | |
1359 | ||
1360 | /* do_single_steps (t); */ | |
1361 | if (tdp_actions) | |
1362 | { | |
1363 | for (ndx = 0; tdp_actions[ndx]; ndx++) | |
1364 | { | |
1365 | QUIT; /* allow user to bail out with ^C */ | |
1366 | sprintf (buf, "QTDP:-%x:%s:%s%c", | |
1367 | t->number, tmp, /* address */ | |
1368 | tdp_actions[ndx], | |
1369 | ((tdp_actions[ndx + 1] || stepping_actions) | |
1370 | ? '-' : 0)); | |
1371 | putpkt (buf); | |
1372 | remote_get_noisy_reply (&target_buf, | |
1373 | &target_buf_size); | |
1374 | if (strcmp (target_buf, "OK")) | |
1375 | error (_("Error on target while setting tracepoints.")); | |
1376 | } | |
1377 | } | |
1378 | if (stepping_actions) | |
1379 | { | |
1380 | for (ndx = 0; stepping_actions[ndx]; ndx++) | |
1381 | { | |
1382 | QUIT; /* allow user to bail out with ^C */ | |
1383 | sprintf (buf, "QTDP:-%x:%s:%s%s%s", | |
1384 | t->number, tmp, /* address */ | |
1385 | ((ndx == 0) ? "S" : ""), | |
1386 | stepping_actions[ndx], | |
1387 | (stepping_actions[ndx + 1] ? "-" : "")); | |
1388 | putpkt (buf); | |
1389 | remote_get_noisy_reply (&target_buf, | |
1390 | &target_buf_size); | |
1391 | if (strcmp (target_buf, "OK")) | |
1392 | error (_("Error on target while setting tracepoints.")); | |
1393 | } | |
1394 | } | |
1395 | do_cleanups (old_chain); | |
1396 | } | |
1397 | ||
c906108c SS |
1398 | /* tstop command */ |
1399 | static void | |
fba45db2 | 1400 | trace_stop_command (char *args, int from_tty) |
d183932d | 1401 | { |
c906108c SS |
1402 | if (target_is_remote ()) |
1403 | { | |
1404 | putpkt ("QTStop"); | |
6d820c5c | 1405 | remote_get_noisy_reply (&target_buf, &target_buf_size); |
c906108c | 1406 | if (strcmp (target_buf, "OK")) |
8a3fe4f8 | 1407 | error (_("Bogus reply from target: %s"), target_buf); |
c906108c | 1408 | trace_running_p = 0; |
9a4105ab AC |
1409 | if (deprecated_trace_start_stop_hook) |
1410 | deprecated_trace_start_stop_hook (0, from_tty); | |
c906108c SS |
1411 | } |
1412 | else | |
8a3fe4f8 | 1413 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1414 | } |
1415 | ||
1416 | unsigned long trace_running_p; | |
1417 | ||
1418 | /* tstatus command */ | |
1419 | static void | |
fba45db2 | 1420 | trace_status_command (char *args, int from_tty) |
d183932d | 1421 | { |
c906108c SS |
1422 | if (target_is_remote ()) |
1423 | { | |
1424 | putpkt ("qTStatus"); | |
6d820c5c | 1425 | remote_get_noisy_reply (&target_buf, &target_buf_size); |
c906108c SS |
1426 | |
1427 | if (target_buf[0] != 'T' || | |
1428 | (target_buf[1] != '0' && target_buf[1] != '1')) | |
8a3fe4f8 | 1429 | error (_("Bogus reply from target: %s"), target_buf); |
c906108c SS |
1430 | |
1431 | /* exported for use by the GUI */ | |
1432 | trace_running_p = (target_buf[1] == '1'); | |
1433 | } | |
1434 | else | |
8a3fe4f8 | 1435 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1436 | } |
1437 | ||
d183932d | 1438 | /* Worker function for the various flavors of the tfind command. */ |
c906108c | 1439 | static void |
6d820c5c DJ |
1440 | finish_tfind_command (char **msg, |
1441 | long *sizeof_msg, | |
c2d11a7d | 1442 | int from_tty) |
c906108c SS |
1443 | { |
1444 | int target_frameno = -1, target_tracept = -1; | |
fb14de7b | 1445 | struct frame_id old_frame_id; |
c906108c SS |
1446 | char *reply; |
1447 | ||
fb14de7b | 1448 | old_frame_id = get_frame_id (get_current_frame ()); |
c906108c | 1449 | |
6d820c5c | 1450 | putpkt (*msg); |
c2d11a7d | 1451 | reply = remote_get_noisy_reply (msg, sizeof_msg); |
c906108c SS |
1452 | |
1453 | while (reply && *reply) | |
c5aa993b JM |
1454 | switch (*reply) |
1455 | { | |
1456 | case 'F': | |
1457 | if ((target_frameno = (int) strtol (++reply, &reply, 16)) == -1) | |
1458 | { | |
1459 | /* A request for a non-existant trace frame has failed. | |
1460 | Our response will be different, depending on FROM_TTY: | |
1461 | ||
1462 | If FROM_TTY is true, meaning that this command was | |
1463 | typed interactively by the user, then give an error | |
1464 | and DO NOT change the state of traceframe_number etc. | |
1465 | ||
1466 | However if FROM_TTY is false, meaning that we're either | |
1467 | in a script, a loop, or a user-defined command, then | |
1468 | DON'T give an error, but DO change the state of | |
1469 | traceframe_number etc. to invalid. | |
1470 | ||
1471 | The rationalle is that if you typed the command, you | |
1472 | might just have committed a typo or something, and you'd | |
1473 | like to NOT lose your current debugging state. However | |
1474 | if you're in a user-defined command or especially in a | |
1475 | loop, then you need a way to detect that the command | |
1476 | failed WITHOUT aborting. This allows you to write | |
1477 | scripts that search thru the trace buffer until the end, | |
1478 | and then continue on to do something else. */ | |
1479 | ||
1480 | if (from_tty) | |
8a3fe4f8 | 1481 | error (_("Target failed to find requested trace frame.")); |
c5aa993b JM |
1482 | else |
1483 | { | |
1484 | if (info_verbose) | |
1485 | printf_filtered ("End of trace buffer.\n"); | |
d183932d MS |
1486 | /* The following will not recurse, since it's |
1487 | special-cased. */ | |
c5aa993b | 1488 | trace_find_command ("-1", from_tty); |
d183932d MS |
1489 | reply = NULL; /* Break out of loop |
1490 | (avoid recursive nonsense). */ | |
c5aa993b JM |
1491 | } |
1492 | } | |
1493 | break; | |
1494 | case 'T': | |
1495 | if ((target_tracept = (int) strtol (++reply, &reply, 16)) == -1) | |
8a3fe4f8 | 1496 | error (_("Target failed to find requested trace frame.")); |
c5aa993b JM |
1497 | break; |
1498 | case 'O': /* "OK"? */ | |
1499 | if (reply[1] == 'K' && reply[2] == '\0') | |
1500 | reply += 2; | |
1501 | else | |
8a3fe4f8 | 1502 | error (_("Bogus reply from target: %s"), reply); |
c5aa993b JM |
1503 | break; |
1504 | default: | |
8a3fe4f8 | 1505 | error (_("Bogus reply from target: %s"), reply); |
c5aa993b | 1506 | } |
c906108c | 1507 | |
35f196d9 | 1508 | reinit_frame_cache (); |
c906108c | 1509 | registers_changed (); |
c906108c SS |
1510 | set_traceframe_num (target_frameno); |
1511 | set_tracepoint_num (target_tracept); | |
1512 | if (target_frameno == -1) | |
fb14de7b | 1513 | set_traceframe_context (NULL); |
c906108c | 1514 | else |
fb14de7b | 1515 | set_traceframe_context (get_current_frame ()); |
c906108c SS |
1516 | |
1517 | if (from_tty) | |
1518 | { | |
0faf0076 | 1519 | enum print_what print_what; |
c906108c SS |
1520 | |
1521 | /* NOTE: in immitation of the step command, try to determine | |
d183932d MS |
1522 | whether we have made a transition from one function to |
1523 | another. If so, we'll print the "stack frame" (ie. the new | |
1524 | function and it's arguments) -- otherwise we'll just show the | |
fb14de7b UW |
1525 | new source line. */ |
1526 | ||
1527 | if (frame_id_eq (old_frame_id, | |
1528 | get_frame_id (get_current_frame ()))) | |
0faf0076 | 1529 | print_what = SRC_LINE; |
c906108c | 1530 | else |
0faf0076 | 1531 | print_what = SRC_AND_LOC; |
c906108c | 1532 | |
b04f3ab4 | 1533 | print_stack_frame (get_selected_frame (NULL), 1, print_what); |
c906108c SS |
1534 | do_displays (); |
1535 | } | |
1536 | } | |
1537 | ||
1538 | /* trace_find_command takes a trace frame number n, | |
1539 | sends "QTFrame:<n>" to the target, | |
1540 | and accepts a reply that may contain several optional pieces | |
1541 | of information: a frame number, a tracepoint number, and an | |
1542 | indication of whether this is a trap frame or a stepping frame. | |
1543 | ||
1544 | The minimal response is just "OK" (which indicates that the | |
1545 | target does not give us a frame number or a tracepoint number). | |
1546 | Instead of that, the target may send us a string containing | |
1547 | any combination of: | |
c5aa993b JM |
1548 | F<hexnum> (gives the selected frame number) |
1549 | T<hexnum> (gives the selected tracepoint number) | |
1550 | */ | |
c906108c SS |
1551 | |
1552 | /* tfind command */ | |
1553 | static void | |
fba45db2 | 1554 | trace_find_command (char *args, int from_tty) |
d183932d | 1555 | { /* this should only be called with a numeric argument */ |
c906108c | 1556 | int frameno = -1; |
c906108c SS |
1557 | |
1558 | if (target_is_remote ()) | |
1559 | { | |
9a4105ab AC |
1560 | if (deprecated_trace_find_hook) |
1561 | deprecated_trace_find_hook (args, from_tty); | |
c5aa993b | 1562 | |
c906108c | 1563 | if (args == 0 || *args == 0) |
d183932d | 1564 | { /* TFIND with no args means find NEXT trace frame. */ |
c906108c SS |
1565 | if (traceframe_number == -1) |
1566 | frameno = 0; /* "next" is first one */ | |
1567 | else | |
1568 | frameno = traceframe_number + 1; | |
1569 | } | |
1570 | else if (0 == strcmp (args, "-")) | |
1571 | { | |
1572 | if (traceframe_number == -1) | |
8a3fe4f8 | 1573 | error (_("not debugging trace buffer")); |
c906108c | 1574 | else if (from_tty && traceframe_number == 0) |
8a3fe4f8 | 1575 | error (_("already at start of trace buffer")); |
c906108c SS |
1576 | |
1577 | frameno = traceframe_number - 1; | |
1578 | } | |
1579 | else | |
bb518678 | 1580 | frameno = parse_and_eval_long (args); |
c906108c SS |
1581 | |
1582 | if (frameno < -1) | |
8a3fe4f8 | 1583 | error (_("invalid input (%d is less than zero)"), frameno); |
c906108c SS |
1584 | |
1585 | sprintf (target_buf, "QTFrame:%x", frameno); | |
6d820c5c | 1586 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
1587 | } |
1588 | else | |
8a3fe4f8 | 1589 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1590 | } |
1591 | ||
1592 | /* tfind end */ | |
1593 | static void | |
fba45db2 | 1594 | trace_find_end_command (char *args, int from_tty) |
c906108c SS |
1595 | { |
1596 | trace_find_command ("-1", from_tty); | |
1597 | } | |
1598 | ||
1599 | /* tfind none */ | |
1600 | static void | |
fba45db2 | 1601 | trace_find_none_command (char *args, int from_tty) |
c906108c SS |
1602 | { |
1603 | trace_find_command ("-1", from_tty); | |
1604 | } | |
1605 | ||
1606 | /* tfind start */ | |
1607 | static void | |
fba45db2 | 1608 | trace_find_start_command (char *args, int from_tty) |
c906108c SS |
1609 | { |
1610 | trace_find_command ("0", from_tty); | |
1611 | } | |
1612 | ||
1613 | /* tfind pc command */ | |
1614 | static void | |
fba45db2 | 1615 | trace_find_pc_command (char *args, int from_tty) |
d183932d | 1616 | { |
c906108c | 1617 | CORE_ADDR pc; |
104c1213 | 1618 | char tmp[40]; |
c906108c SS |
1619 | |
1620 | if (target_is_remote ()) | |
1621 | { | |
1622 | if (args == 0 || *args == 0) | |
fb14de7b | 1623 | pc = regcache_read_pc (get_current_regcache ()); |
c906108c SS |
1624 | else |
1625 | pc = parse_and_eval_address (args); | |
1626 | ||
104c1213 JM |
1627 | sprintf_vma (tmp, pc); |
1628 | sprintf (target_buf, "QTFrame:pc:%s", tmp); | |
6d820c5c | 1629 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
1630 | } |
1631 | else | |
8a3fe4f8 | 1632 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1633 | } |
1634 | ||
1635 | /* tfind tracepoint command */ | |
1636 | static void | |
fba45db2 | 1637 | trace_find_tracepoint_command (char *args, int from_tty) |
d183932d | 1638 | { |
c906108c | 1639 | int tdp; |
c906108c SS |
1640 | |
1641 | if (target_is_remote ()) | |
1642 | { | |
1643 | if (args == 0 || *args == 0) | |
3db26b01 JB |
1644 | { |
1645 | if (tracepoint_number == -1) | |
8a3fe4f8 | 1646 | error (_("No current tracepoint -- please supply an argument.")); |
3db26b01 JB |
1647 | else |
1648 | tdp = tracepoint_number; /* default is current TDP */ | |
1649 | } | |
c906108c | 1650 | else |
0e828ed1 | 1651 | tdp = parse_and_eval_long (args); |
c906108c SS |
1652 | |
1653 | sprintf (target_buf, "QTFrame:tdp:%x", tdp); | |
6d820c5c | 1654 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
1655 | } |
1656 | else | |
8a3fe4f8 | 1657 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1658 | } |
1659 | ||
1660 | /* TFIND LINE command: | |
c5aa993b | 1661 | |
c906108c | 1662 | This command will take a sourceline for argument, just like BREAK |
d183932d | 1663 | or TRACE (ie. anything that "decode_line_1" can handle). |
c5aa993b | 1664 | |
c906108c SS |
1665 | With no argument, this command will find the next trace frame |
1666 | corresponding to a source line OTHER THAN THE CURRENT ONE. */ | |
1667 | ||
1668 | static void | |
fba45db2 | 1669 | trace_find_line_command (char *args, int from_tty) |
d183932d | 1670 | { |
c906108c SS |
1671 | static CORE_ADDR start_pc, end_pc; |
1672 | struct symtabs_and_lines sals; | |
1673 | struct symtab_and_line sal; | |
c906108c | 1674 | struct cleanup *old_chain; |
104c1213 | 1675 | char startpc_str[40], endpc_str[40]; |
c906108c SS |
1676 | |
1677 | if (target_is_remote ()) | |
1678 | { | |
1679 | if (args == 0 || *args == 0) | |
1680 | { | |
bdd78e62 | 1681 | sal = find_pc_line (get_frame_pc (get_current_frame ()), 0); |
c906108c SS |
1682 | sals.nelts = 1; |
1683 | sals.sals = (struct symtab_and_line *) | |
1684 | xmalloc (sizeof (struct symtab_and_line)); | |
1685 | sals.sals[0] = sal; | |
1686 | } | |
1687 | else | |
1688 | { | |
1689 | sals = decode_line_spec (args, 1); | |
c5aa993b | 1690 | sal = sals.sals[0]; |
c906108c SS |
1691 | } |
1692 | ||
b8c9b27d | 1693 | old_chain = make_cleanup (xfree, sals.sals); |
c906108c SS |
1694 | if (sal.symtab == 0) |
1695 | { | |
1696 | printf_filtered ("TFIND: No line number information available"); | |
1697 | if (sal.pc != 0) | |
1698 | { | |
d183932d MS |
1699 | /* This is useful for "info line *0x7f34". If we can't |
1700 | tell the user about a source line, at least let them | |
1701 | have the symbolic address. */ | |
c906108c SS |
1702 | printf_filtered (" for address "); |
1703 | wrap_here (" "); | |
1704 | print_address (sal.pc, gdb_stdout); | |
1705 | printf_filtered (";\n -- will attempt to find by PC. \n"); | |
1706 | } | |
1707 | else | |
1708 | { | |
1709 | printf_filtered (".\n"); | |
d183932d | 1710 | return; /* No line, no PC; what can we do? */ |
c906108c SS |
1711 | } |
1712 | } | |
1713 | else if (sal.line > 0 | |
1714 | && find_line_pc_range (sal, &start_pc, &end_pc)) | |
1715 | { | |
1716 | if (start_pc == end_pc) | |
1717 | { | |
1718 | printf_filtered ("Line %d of \"%s\"", | |
1719 | sal.line, sal.symtab->filename); | |
1720 | wrap_here (" "); | |
1721 | printf_filtered (" is at address "); | |
1722 | print_address (start_pc, gdb_stdout); | |
1723 | wrap_here (" "); | |
1724 | printf_filtered (" but contains no code.\n"); | |
1725 | sal = find_pc_line (start_pc, 0); | |
1726 | if (sal.line > 0 && | |
1727 | find_line_pc_range (sal, &start_pc, &end_pc) && | |
1728 | start_pc != end_pc) | |
1729 | printf_filtered ("Attempting to find line %d instead.\n", | |
1730 | sal.line); | |
1731 | else | |
8a3fe4f8 | 1732 | error (_("Cannot find a good line.")); |
c906108c SS |
1733 | } |
1734 | } | |
1735 | else | |
1736 | /* Is there any case in which we get here, and have an address | |
d183932d MS |
1737 | which the user would want to see? If we have debugging |
1738 | symbols and no line numbers? */ | |
8a3fe4f8 | 1739 | error (_("Line number %d is out of range for \"%s\"."), |
c906108c SS |
1740 | sal.line, sal.symtab->filename); |
1741 | ||
104c1213 JM |
1742 | sprintf_vma (startpc_str, start_pc); |
1743 | sprintf_vma (endpc_str, end_pc - 1); | |
d183932d MS |
1744 | /* Find within range of stated line. */ |
1745 | if (args && *args) | |
1746 | sprintf (target_buf, "QTFrame:range:%s:%s", | |
1747 | startpc_str, endpc_str); | |
1748 | /* Find OUTSIDE OF range of CURRENT line. */ | |
1749 | else | |
1750 | sprintf (target_buf, "QTFrame:outside:%s:%s", | |
1751 | startpc_str, endpc_str); | |
6d820c5c | 1752 | finish_tfind_command (&target_buf, &target_buf_size, |
d183932d | 1753 | from_tty); |
c906108c SS |
1754 | do_cleanups (old_chain); |
1755 | } | |
1756 | else | |
8a3fe4f8 | 1757 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1758 | } |
1759 | ||
1760 | /* tfind range command */ | |
1761 | static void | |
fba45db2 | 1762 | trace_find_range_command (char *args, int from_tty) |
104c1213 | 1763 | { |
c906108c | 1764 | static CORE_ADDR start, stop; |
104c1213 | 1765 | char start_str[40], stop_str[40]; |
c906108c SS |
1766 | char *tmp; |
1767 | ||
1768 | if (target_is_remote ()) | |
1769 | { | |
1770 | if (args == 0 || *args == 0) | |
d183932d | 1771 | { /* XXX FIXME: what should default behavior be? */ |
c906108c SS |
1772 | printf_filtered ("Usage: tfind range <startaddr>,<endaddr>\n"); |
1773 | return; | |
1774 | } | |
1775 | ||
c5aa993b | 1776 | if (0 != (tmp = strchr (args, ','))) |
c906108c SS |
1777 | { |
1778 | *tmp++ = '\0'; /* terminate start address */ | |
104c1213 | 1779 | while (isspace ((int) *tmp)) |
c906108c SS |
1780 | tmp++; |
1781 | start = parse_and_eval_address (args); | |
c5aa993b | 1782 | stop = parse_and_eval_address (tmp); |
c906108c SS |
1783 | } |
1784 | else | |
c5aa993b | 1785 | { /* no explicit end address? */ |
c906108c | 1786 | start = parse_and_eval_address (args); |
c5aa993b | 1787 | stop = start + 1; /* ??? */ |
c906108c SS |
1788 | } |
1789 | ||
104c1213 JM |
1790 | sprintf_vma (start_str, start); |
1791 | sprintf_vma (stop_str, stop); | |
1792 | sprintf (target_buf, "QTFrame:range:%s:%s", start_str, stop_str); | |
6d820c5c | 1793 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
1794 | } |
1795 | else | |
8a3fe4f8 | 1796 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1797 | } |
1798 | ||
1799 | /* tfind outside command */ | |
1800 | static void | |
fba45db2 | 1801 | trace_find_outside_command (char *args, int from_tty) |
104c1213 | 1802 | { |
c906108c | 1803 | CORE_ADDR start, stop; |
104c1213 | 1804 | char start_str[40], stop_str[40]; |
c906108c SS |
1805 | char *tmp; |
1806 | ||
1807 | if (target_is_remote ()) | |
1808 | { | |
1809 | if (args == 0 || *args == 0) | |
d183932d | 1810 | { /* XXX FIXME: what should default behavior be? */ |
c906108c SS |
1811 | printf_filtered ("Usage: tfind outside <startaddr>,<endaddr>\n"); |
1812 | return; | |
1813 | } | |
1814 | ||
c5aa993b | 1815 | if (0 != (tmp = strchr (args, ','))) |
c906108c SS |
1816 | { |
1817 | *tmp++ = '\0'; /* terminate start address */ | |
104c1213 | 1818 | while (isspace ((int) *tmp)) |
c906108c SS |
1819 | tmp++; |
1820 | start = parse_and_eval_address (args); | |
c5aa993b | 1821 | stop = parse_and_eval_address (tmp); |
c906108c SS |
1822 | } |
1823 | else | |
c5aa993b | 1824 | { /* no explicit end address? */ |
c906108c | 1825 | start = parse_and_eval_address (args); |
c5aa993b | 1826 | stop = start + 1; /* ??? */ |
c906108c SS |
1827 | } |
1828 | ||
104c1213 JM |
1829 | sprintf_vma (start_str, start); |
1830 | sprintf_vma (stop_str, stop); | |
1831 | sprintf (target_buf, "QTFrame:outside:%s:%s", start_str, stop_str); | |
6d820c5c | 1832 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
1833 | } |
1834 | else | |
8a3fe4f8 | 1835 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1836 | } |
1837 | ||
c906108c SS |
1838 | /* info scope command: list the locals for a scope. */ |
1839 | static void | |
fba45db2 | 1840 | scope_info (char *args, int from_tty) |
c906108c | 1841 | { |
c906108c SS |
1842 | struct symtabs_and_lines sals; |
1843 | struct symbol *sym; | |
1844 | struct minimal_symbol *msym; | |
1845 | struct block *block; | |
1846 | char **canonical, *symname, *save_args = args; | |
de4f826b DC |
1847 | struct dict_iterator iter; |
1848 | int j, count = 0; | |
768a979c UW |
1849 | struct gdbarch *gdbarch; |
1850 | int regno; | |
c906108c SS |
1851 | |
1852 | if (args == 0 || *args == 0) | |
8a3fe4f8 | 1853 | error (_("requires an argument (function, line or *addr) to define a scope")); |
c906108c | 1854 | |
68219205 | 1855 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical, NULL); |
c906108c | 1856 | if (sals.nelts == 0) |
450bd37b | 1857 | return; /* presumably decode_line_1 has already warned */ |
c906108c SS |
1858 | |
1859 | /* Resolve line numbers to PC */ | |
1860 | resolve_sal_pc (&sals.sals[0]); | |
1861 | block = block_for_pc (sals.sals[0].pc); | |
1862 | ||
1863 | while (block != 0) | |
1864 | { | |
c5aa993b | 1865 | QUIT; /* allow user to bail out with ^C */ |
de4f826b | 1866 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
c906108c | 1867 | { |
c5aa993b | 1868 | QUIT; /* allow user to bail out with ^C */ |
c906108c SS |
1869 | if (count == 0) |
1870 | printf_filtered ("Scope for %s:\n", save_args); | |
1871 | count++; | |
e88c90f2 | 1872 | |
3567439c | 1873 | symname = SYMBOL_PRINT_NAME (sym); |
c906108c | 1874 | if (symname == NULL || *symname == '\0') |
c5aa993b | 1875 | continue; /* probably botched, certainly useless */ |
c906108c | 1876 | |
768a979c UW |
1877 | gdbarch = get_objfile_arch (SYMBOL_SYMTAB (sym)->objfile); |
1878 | ||
c906108c | 1879 | printf_filtered ("Symbol %s is ", symname); |
c5aa993b JM |
1880 | switch (SYMBOL_CLASS (sym)) |
1881 | { | |
1882 | default: | |
1883 | case LOC_UNDEF: /* messed up symbol? */ | |
1884 | printf_filtered ("a bogus symbol, class %d.\n", | |
1885 | SYMBOL_CLASS (sym)); | |
1886 | count--; /* don't count this one */ | |
1887 | continue; | |
1888 | case LOC_CONST: | |
104c1213 | 1889 | printf_filtered ("a constant with value %ld (0x%lx)", |
c5aa993b JM |
1890 | SYMBOL_VALUE (sym), SYMBOL_VALUE (sym)); |
1891 | break; | |
1892 | case LOC_CONST_BYTES: | |
1893 | printf_filtered ("constant bytes: "); | |
1894 | if (SYMBOL_TYPE (sym)) | |
1895 | for (j = 0; j < TYPE_LENGTH (SYMBOL_TYPE (sym)); j++) | |
1896 | fprintf_filtered (gdb_stdout, " %02x", | |
1897 | (unsigned) SYMBOL_VALUE_BYTES (sym)[j]); | |
1898 | break; | |
1899 | case LOC_STATIC: | |
1900 | printf_filtered ("in static storage at address "); | |
ed49a04f | 1901 | printf_filtered ("%s", paddress (SYMBOL_VALUE_ADDRESS (sym))); |
c5aa993b JM |
1902 | break; |
1903 | case LOC_REGISTER: | |
768a979c UW |
1904 | /* GDBARCH is the architecture associated with the objfile |
1905 | the symbol is defined in; the target architecture may be | |
1906 | different, and may provide additional registers. However, | |
1907 | we do not know the target architecture at this point. | |
1908 | We assume the objfile architecture will contain all the | |
1909 | standard registers that occur in debug info in that | |
1910 | objfile. */ | |
1911 | regno = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); | |
1912 | ||
2a2d4dc3 AS |
1913 | if (SYMBOL_IS_ARGUMENT (sym)) |
1914 | printf_filtered ("an argument in register $%s", | |
768a979c | 1915 | gdbarch_register_name (gdbarch, regno)); |
2a2d4dc3 AS |
1916 | else |
1917 | printf_filtered ("a local variable in register $%s", | |
768a979c | 1918 | gdbarch_register_name (gdbarch, regno)); |
c5aa993b JM |
1919 | break; |
1920 | case LOC_ARG: | |
c5aa993b JM |
1921 | printf_filtered ("an argument at stack/frame offset %ld", |
1922 | SYMBOL_VALUE (sym)); | |
1923 | break; | |
1924 | case LOC_LOCAL: | |
1925 | printf_filtered ("a local variable at frame offset %ld", | |
1926 | SYMBOL_VALUE (sym)); | |
1927 | break; | |
1928 | case LOC_REF_ARG: | |
1929 | printf_filtered ("a reference argument at offset %ld", | |
1930 | SYMBOL_VALUE (sym)); | |
1931 | break; | |
c5aa993b | 1932 | case LOC_REGPARM_ADDR: |
768a979c UW |
1933 | /* Note comment at LOC_REGISTER. */ |
1934 | regno = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); | |
c5aa993b | 1935 | printf_filtered ("the address of an argument, in register $%s", |
768a979c | 1936 | gdbarch_register_name (gdbarch, regno)); |
c5aa993b JM |
1937 | break; |
1938 | case LOC_TYPEDEF: | |
1939 | printf_filtered ("a typedef.\n"); | |
1940 | continue; | |
1941 | case LOC_LABEL: | |
1942 | printf_filtered ("a label at address "); | |
ed49a04f | 1943 | printf_filtered ("%s", paddress (SYMBOL_VALUE_ADDRESS (sym))); |
c5aa993b JM |
1944 | break; |
1945 | case LOC_BLOCK: | |
1946 | printf_filtered ("a function at address "); | |
ed49a04f | 1947 | printf_filtered ("%s", paddress (BLOCK_START (SYMBOL_BLOCK_VALUE (sym)))); |
c5aa993b | 1948 | break; |
c5aa993b | 1949 | case LOC_UNRESOLVED: |
3567439c | 1950 | msym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (sym), |
450bd37b | 1951 | NULL, NULL); |
c5aa993b JM |
1952 | if (msym == NULL) |
1953 | printf_filtered ("Unresolved Static"); | |
1954 | else | |
1955 | { | |
1956 | printf_filtered ("static storage at address "); | |
ed49a04f | 1957 | printf_filtered ("%s", paddress (SYMBOL_VALUE_ADDRESS (msym))); |
c5aa993b JM |
1958 | } |
1959 | break; | |
1960 | case LOC_OPTIMIZED_OUT: | |
1961 | printf_filtered ("optimized out.\n"); | |
1962 | continue; | |
450bd37b | 1963 | case LOC_COMPUTED: |
768a979c | 1964 | SYMBOL_COMPUTED_OPS (sym)->describe_location (sym, gdb_stdout); |
450bd37b | 1965 | break; |
c5aa993b | 1966 | } |
c906108c | 1967 | if (SYMBOL_TYPE (sym)) |
c5aa993b | 1968 | printf_filtered (", length %d.\n", |
450bd37b | 1969 | TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym)))); |
c906108c SS |
1970 | } |
1971 | if (BLOCK_FUNCTION (block)) | |
1972 | break; | |
1973 | else | |
1974 | block = BLOCK_SUPERBLOCK (block); | |
1975 | } | |
1976 | if (count <= 0) | |
1977 | printf_filtered ("Scope for %s contains no locals or arguments.\n", | |
1978 | save_args); | |
1979 | } | |
1980 | ||
1981 | /* worker function (cleanup) */ | |
1982 | static void | |
710b33bd | 1983 | replace_comma (void *data) |
c906108c | 1984 | { |
710b33bd | 1985 | char *comma = data; |
c906108c SS |
1986 | *comma = ','; |
1987 | } | |
1988 | ||
1989 | /* tdump command */ | |
1990 | static void | |
fba45db2 | 1991 | trace_dump_command (char *args, int from_tty) |
c906108c | 1992 | { |
515630c5 UW |
1993 | struct regcache *regcache; |
1994 | struct gdbarch *gdbarch; | |
1042e4c0 | 1995 | struct breakpoint *t; |
c906108c | 1996 | struct action_line *action; |
c5aa993b JM |
1997 | char *action_exp, *next_comma; |
1998 | struct cleanup *old_cleanups; | |
1999 | int stepping_actions = 0; | |
2000 | int stepping_frame = 0; | |
c906108c SS |
2001 | |
2002 | if (!target_is_remote ()) | |
2003 | { | |
8a3fe4f8 | 2004 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
2005 | return; |
2006 | } | |
2007 | ||
2008 | if (tracepoint_number == -1) | |
2009 | { | |
8a3fe4f8 | 2010 | warning (_("No current trace frame.")); |
c906108c SS |
2011 | return; |
2012 | } | |
2013 | ||
1042e4c0 | 2014 | t = get_tracepoint (tracepoint_number); |
c906108c SS |
2015 | |
2016 | if (t == NULL) | |
8a3fe4f8 | 2017 | error (_("No known tracepoint matches 'current' tracepoint #%d."), |
c906108c SS |
2018 | tracepoint_number); |
2019 | ||
2020 | old_cleanups = make_cleanup (null_cleanup, NULL); | |
2021 | ||
c5aa993b | 2022 | printf_filtered ("Data collected at tracepoint %d, trace frame %d:\n", |
c906108c SS |
2023 | tracepoint_number, traceframe_number); |
2024 | ||
2025 | /* The current frame is a trap frame if the frame PC is equal | |
2026 | to the tracepoint PC. If not, then the current frame was | |
2027 | collected during single-stepping. */ | |
2028 | ||
515630c5 UW |
2029 | regcache = get_current_regcache (); |
2030 | gdbarch = get_regcache_arch (regcache); | |
2031 | ||
1042e4c0 | 2032 | stepping_frame = (t->loc->address != (regcache_read_pc (regcache) |
515630c5 | 2033 | - gdbarch_decr_pc_after_break (gdbarch))); |
c906108c SS |
2034 | |
2035 | for (action = t->actions; action; action = action->next) | |
2036 | { | |
2037 | struct cmd_list_element *cmd; | |
2038 | ||
c5aa993b | 2039 | QUIT; /* allow user to bail out with ^C */ |
c906108c | 2040 | action_exp = action->action; |
104c1213 | 2041 | while (isspace ((int) *action_exp)) |
c906108c SS |
2042 | action_exp++; |
2043 | ||
2044 | /* The collection actions to be done while stepping are | |
c5aa993b | 2045 | bracketed by the commands "while-stepping" and "end". */ |
c906108c SS |
2046 | |
2047 | if (*action_exp == '#') /* comment line */ | |
2048 | continue; | |
2049 | ||
2050 | cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1); | |
2051 | if (cmd == 0) | |
8a3fe4f8 | 2052 | error (_("Bad action list item: %s"), action_exp); |
c906108c | 2053 | |
bbaca940 | 2054 | if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) |
c906108c | 2055 | stepping_actions = 1; |
bbaca940 | 2056 | else if (cmd_cfunc_eq (cmd, end_actions_pseudocommand)) |
c906108c | 2057 | stepping_actions = 0; |
bbaca940 | 2058 | else if (cmd_cfunc_eq (cmd, collect_pseudocommand)) |
c906108c SS |
2059 | { |
2060 | /* Display the collected data. | |
d183932d MS |
2061 | For the trap frame, display only what was collected at |
2062 | the trap. Likewise for stepping frames, display only | |
2063 | what was collected while stepping. This means that the | |
2064 | two boolean variables, STEPPING_FRAME and | |
2065 | STEPPING_ACTIONS should be equal. */ | |
c906108c SS |
2066 | if (stepping_frame == stepping_actions) |
2067 | { | |
c5aa993b JM |
2068 | do |
2069 | { /* repeat over a comma-separated list */ | |
2070 | QUIT; /* allow user to bail out with ^C */ | |
2071 | if (*action_exp == ',') | |
2072 | action_exp++; | |
104c1213 | 2073 | while (isspace ((int) *action_exp)) |
c5aa993b JM |
2074 | action_exp++; |
2075 | ||
2076 | next_comma = strchr (action_exp, ','); | |
2077 | ||
2078 | if (0 == strncasecmp (action_exp, "$reg", 4)) | |
2079 | registers_info (NULL, from_tty); | |
2080 | else if (0 == strncasecmp (action_exp, "$loc", 4)) | |
2081 | locals_info (NULL, from_tty); | |
2082 | else if (0 == strncasecmp (action_exp, "$arg", 4)) | |
2083 | args_info (NULL, from_tty); | |
2084 | else | |
2085 | { /* variable */ | |
2086 | if (next_comma) | |
2087 | { | |
2088 | make_cleanup (replace_comma, next_comma); | |
2089 | *next_comma = '\0'; | |
2090 | } | |
2091 | printf_filtered ("%s = ", action_exp); | |
2092 | output_command (action_exp, from_tty); | |
2093 | printf_filtered ("\n"); | |
2094 | } | |
2095 | if (next_comma) | |
2096 | *next_comma = ','; | |
2097 | action_exp = next_comma; | |
2098 | } | |
2099 | while (action_exp && *action_exp == ','); | |
c906108c SS |
2100 | } |
2101 | } | |
2102 | } | |
2103 | discard_cleanups (old_cleanups); | |
2104 | } | |
2105 | ||
2106 | /* Convert the memory pointed to by mem into hex, placing result in buf. | |
2107 | * Return a pointer to the last char put in buf (null) | |
2108 | * "stolen" from sparc-stub.c | |
2109 | */ | |
2110 | ||
c5aa993b | 2111 | static const char hexchars[] = "0123456789abcdef"; |
c906108c | 2112 | |
47b667de AC |
2113 | static char * |
2114 | mem2hex (gdb_byte *mem, char *buf, int count) | |
c906108c | 2115 | { |
47b667de | 2116 | gdb_byte ch; |
c906108c SS |
2117 | |
2118 | while (count-- > 0) | |
2119 | { | |
2120 | ch = *mem++; | |
2121 | ||
2122 | *buf++ = hexchars[ch >> 4]; | |
2123 | *buf++ = hexchars[ch & 0xf]; | |
2124 | } | |
2125 | ||
2126 | *buf = 0; | |
2127 | ||
2128 | return buf; | |
2129 | } | |
2130 | ||
c5aa993b | 2131 | int |
fba45db2 | 2132 | get_traceframe_number (void) |
c906108c | 2133 | { |
c5aa993b | 2134 | return traceframe_number; |
c906108c SS |
2135 | } |
2136 | ||
2137 | ||
2138 | /* module initialization */ | |
2139 | void | |
fba45db2 | 2140 | _initialize_tracepoint (void) |
c906108c | 2141 | { |
fa58ee11 EZ |
2142 | struct cmd_list_element *c; |
2143 | ||
c906108c SS |
2144 | traceframe_number = -1; |
2145 | tracepoint_number = -1; | |
2146 | ||
c906108c SS |
2147 | if (tracepoint_list.list == NULL) |
2148 | { | |
2149 | tracepoint_list.listsize = 128; | |
c5aa993b | 2150 | tracepoint_list.list = xmalloc |
c906108c SS |
2151 | (tracepoint_list.listsize * sizeof (struct memrange)); |
2152 | } | |
2153 | if (tracepoint_list.aexpr_list == NULL) | |
2154 | { | |
2155 | tracepoint_list.aexpr_listsize = 128; | |
2156 | tracepoint_list.aexpr_list = xmalloc | |
2157 | (tracepoint_list.aexpr_listsize * sizeof (struct agent_expr *)); | |
2158 | } | |
2159 | ||
2160 | if (stepping_list.list == NULL) | |
2161 | { | |
2162 | stepping_list.listsize = 128; | |
c5aa993b | 2163 | stepping_list.list = xmalloc |
c906108c SS |
2164 | (stepping_list.listsize * sizeof (struct memrange)); |
2165 | } | |
2166 | ||
2167 | if (stepping_list.aexpr_list == NULL) | |
2168 | { | |
2169 | stepping_list.aexpr_listsize = 128; | |
2170 | stepping_list.aexpr_list = xmalloc | |
2171 | (stepping_list.aexpr_listsize * sizeof (struct agent_expr *)); | |
2172 | } | |
2173 | ||
c5aa993b | 2174 | add_info ("scope", scope_info, |
1bedd215 | 2175 | _("List the variables local to a scope")); |
c906108c | 2176 | |
e00d1dc8 | 2177 | add_cmd ("tracepoints", class_trace, NULL, |
1a966eab | 2178 | _("Tracing of program execution without stopping the program."), |
c906108c SS |
2179 | &cmdlist); |
2180 | ||
c5aa993b | 2181 | add_com ("tdump", class_trace, trace_dump_command, |
1bedd215 | 2182 | _("Print everything collected at the current tracepoint.")); |
c906108c | 2183 | |
1bedd215 AC |
2184 | add_prefix_cmd ("tfind", class_trace, trace_find_command, _("\ |
2185 | Select a trace frame;\n\ | |
2186 | No argument means forward by one frame; '-' means backward by one frame."), | |
c906108c SS |
2187 | &tfindlist, "tfind ", 1, &cmdlist); |
2188 | ||
1a966eab AC |
2189 | add_cmd ("outside", class_trace, trace_find_outside_command, _("\ |
2190 | Select a trace frame whose PC is outside the given range.\n\ | |
2191 | Usage: tfind outside addr1, addr2"), | |
c906108c SS |
2192 | &tfindlist); |
2193 | ||
1a966eab AC |
2194 | add_cmd ("range", class_trace, trace_find_range_command, _("\ |
2195 | Select a trace frame whose PC is in the given range.\n\ | |
2196 | Usage: tfind range addr1,addr2"), | |
c906108c SS |
2197 | &tfindlist); |
2198 | ||
1a966eab AC |
2199 | add_cmd ("line", class_trace, trace_find_line_command, _("\ |
2200 | Select a trace frame by source line.\n\ | |
c906108c SS |
2201 | Argument can be a line number (with optional source file), \n\ |
2202 | a function name, or '*' followed by an address.\n\ | |
1a966eab | 2203 | Default argument is 'the next source line that was traced'."), |
c906108c SS |
2204 | &tfindlist); |
2205 | ||
1a966eab AC |
2206 | add_cmd ("tracepoint", class_trace, trace_find_tracepoint_command, _("\ |
2207 | Select a trace frame by tracepoint number.\n\ | |
2208 | Default is the tracepoint for the current trace frame."), | |
c906108c SS |
2209 | &tfindlist); |
2210 | ||
1a966eab AC |
2211 | add_cmd ("pc", class_trace, trace_find_pc_command, _("\ |
2212 | Select a trace frame by PC.\n\ | |
2213 | Default is the current PC, or the PC of the current trace frame."), | |
c906108c SS |
2214 | &tfindlist); |
2215 | ||
1a966eab AC |
2216 | add_cmd ("end", class_trace, trace_find_end_command, _("\ |
2217 | Synonym for 'none'.\n\ | |
2218 | De-select any trace frame and resume 'live' debugging."), | |
c906108c SS |
2219 | &tfindlist); |
2220 | ||
2221 | add_cmd ("none", class_trace, trace_find_none_command, | |
1a966eab | 2222 | _("De-select any trace frame and resume 'live' debugging."), |
c906108c SS |
2223 | &tfindlist); |
2224 | ||
2225 | add_cmd ("start", class_trace, trace_find_start_command, | |
1a966eab | 2226 | _("Select the first trace frame in the trace buffer."), |
c906108c SS |
2227 | &tfindlist); |
2228 | ||
c5aa993b | 2229 | add_com ("tstatus", class_trace, trace_status_command, |
1bedd215 | 2230 | _("Display the status of the current trace data collection.")); |
c906108c | 2231 | |
c5aa993b | 2232 | add_com ("tstop", class_trace, trace_stop_command, |
1bedd215 | 2233 | _("Stop trace data collection.")); |
c906108c SS |
2234 | |
2235 | add_com ("tstart", class_trace, trace_start_command, | |
1bedd215 | 2236 | _("Start trace data collection.")); |
c906108c | 2237 | |
1bedd215 AC |
2238 | add_com ("end", class_trace, end_actions_pseudocommand, _("\ |
2239 | Ends a list of commands or actions.\n\ | |
c906108c SS |
2240 | Several GDB commands allow you to enter a list of commands or actions.\n\ |
2241 | Entering \"end\" on a line by itself is the normal way to terminate\n\ | |
2242 | such a list.\n\n\ | |
1bedd215 | 2243 | Note: the \"end\" command cannot be used at the gdb prompt.")); |
c906108c | 2244 | |
1bedd215 AC |
2245 | add_com ("while-stepping", class_trace, while_stepping_pseudocommand, _("\ |
2246 | Specify single-stepping behavior at a tracepoint.\n\ | |
c906108c SS |
2247 | Argument is number of instructions to trace in single-step mode\n\ |
2248 | following the tracepoint. This command is normally followed by\n\ | |
2249 | one or more \"collect\" commands, to specify what to collect\n\ | |
2250 | while single-stepping.\n\n\ | |
1bedd215 | 2251 | Note: this command can only be used in a tracepoint \"actions\" list.")); |
c906108c | 2252 | |
c5aa993b JM |
2253 | add_com_alias ("ws", "while-stepping", class_alias, 0); |
2254 | add_com_alias ("stepping", "while-stepping", class_alias, 0); | |
c906108c | 2255 | |
1bedd215 AC |
2256 | add_com ("collect", class_trace, collect_pseudocommand, _("\ |
2257 | Specify one or more data items to be collected at a tracepoint.\n\ | |
c906108c SS |
2258 | Accepts a comma-separated list of (one or more) expressions. GDB will\n\ |
2259 | collect all data (variables, registers) referenced by that expression.\n\ | |
2260 | Also accepts the following special arguments:\n\ | |
2261 | $regs -- all registers.\n\ | |
2262 | $args -- all function arguments.\n\ | |
2263 | $locals -- all variables local to the block/function scope.\n\ | |
1bedd215 | 2264 | Note: this command can only be used in a tracepoint \"actions\" list.")); |
c906108c | 2265 | |
1bedd215 AC |
2266 | add_com ("actions", class_trace, trace_actions_command, _("\ |
2267 | Specify the actions to be taken at a tracepoint.\n\ | |
c906108c SS |
2268 | Tracepoint actions may include collecting of specified data, \n\ |
2269 | single-stepping, or enabling/disabling other tracepoints, \n\ | |
1bedd215 | 2270 | depending on target's capabilities.")); |
c906108c | 2271 | |
6d820c5c DJ |
2272 | target_buf_size = 2048; |
2273 | target_buf = xmalloc (target_buf_size); | |
c906108c | 2274 | } |