Commit | Line | Data |
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c906108c | 1 | /* Tracing functionality for remote targets in custom GDB protocol |
9f60d481 | 2 | |
c5a57081 | 3 | Copyright (C) 1997-2012 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
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. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
5af949e3 | 21 | #include "arch-utils.h" |
c906108c SS |
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" |
c5f0f3d0 | 34 | #include "linespec.h" |
4e052eda | 35 | #include "regcache.h" |
c94fdfd0 | 36 | #include "completer.h" |
fe898f56 | 37 | #include "block.h" |
de4f826b | 38 | #include "dictionary.h" |
383f836e | 39 | #include "observer.h" |
029a67e4 | 40 | #include "user-regs.h" |
79a45b7d | 41 | #include "valprint.h" |
41575630 | 42 | #include "gdbcore.h" |
768a979c | 43 | #include "objfiles.h" |
35b1e5cc | 44 | #include "filenames.h" |
00bf0b85 | 45 | #include "gdbthread.h" |
2c58c0a9 | 46 | #include "stack.h" |
fce3c1f0 | 47 | #include "gdbcore.h" |
176a6961 | 48 | #include "remote.h" |
0fb4aa4b | 49 | #include "source.h" |
c906108c SS |
50 | #include "ax.h" |
51 | #include "ax-gdb.h" | |
2a7498d8 | 52 | #include "memrange.h" |
e93a69ed | 53 | #include "exceptions.h" |
3065dfb6 | 54 | #include "cli/cli-utils.h" |
c906108c SS |
55 | |
56 | /* readline include files */ | |
dbda9972 AC |
57 | #include "readline/readline.h" |
58 | #include "readline/history.h" | |
c906108c SS |
59 | |
60 | /* readline defines this. */ | |
61 | #undef savestring | |
62 | ||
63 | #ifdef HAVE_UNISTD_H | |
64 | #include <unistd.h> | |
65 | #endif | |
66 | ||
00bf0b85 SS |
67 | #ifndef O_LARGEFILE |
68 | #define O_LARGEFILE 0 | |
69 | #endif | |
70 | ||
71 | extern int hex2bin (const char *hex, gdb_byte *bin, int count); | |
72 | extern int bin2hex (const gdb_byte *bin, char *hex, int count); | |
73 | ||
d183932d MS |
74 | /* Maximum length of an agent aexpression. |
75 | This accounts for the fact that packets are limited to 400 bytes | |
c906108c SS |
76 | (which includes everything -- including the checksum), and assumes |
77 | the worst case of maximum length for each of the pieces of a | |
78 | continuation packet. | |
c5aa993b | 79 | |
c906108c SS |
80 | NOTE: expressions get mem2hex'ed otherwise this would be twice as |
81 | large. (400 - 31)/2 == 184 */ | |
82 | #define MAX_AGENT_EXPR_LEN 184 | |
83 | ||
e93a69ed PA |
84 | #define TFILE_PID (1) |
85 | ||
98c5b216 TT |
86 | /* A hook used to notify the UI of tracepoint operations. */ |
87 | ||
88 | void (*deprecated_trace_find_hook) (char *arg, int from_tty); | |
89 | void (*deprecated_trace_start_stop_hook) (int start, int from_tty); | |
c906108c | 90 | |
9a4105ab AC |
91 | extern void (*deprecated_readline_begin_hook) (char *, ...); |
92 | extern char *(*deprecated_readline_hook) (char *); | |
93 | extern void (*deprecated_readline_end_hook) (void); | |
c906108c | 94 | |
104c1213 JM |
95 | /* GDB commands implemented in other modules: |
96 | */ | |
97 | ||
a14ed312 | 98 | extern void output_command (char *, int); |
104c1213 | 99 | |
c906108c SS |
100 | /* |
101 | Tracepoint.c: | |
102 | ||
103 | This module defines the following debugger commands: | |
104 | trace : set a tracepoint on a function, line, or address. | |
105 | info trace : list all debugger-defined tracepoints. | |
106 | delete trace : delete one or more tracepoints. | |
107 | enable trace : enable one or more tracepoints. | |
108 | disable trace : disable one or more tracepoints. | |
109 | actions : specify actions to be taken at a tracepoint. | |
110 | passcount : specify a pass count for a tracepoint. | |
111 | tstart : start a trace experiment. | |
112 | tstop : stop a trace experiment. | |
113 | tstatus : query the status of a trace experiment. | |
114 | tfind : find a trace frame in the trace buffer. | |
115 | tdump : print everything collected at the current tracepoint. | |
116 | save-tracepoints : write tracepoint setup into a file. | |
117 | ||
118 | This module defines the following user-visible debugger variables: | |
119 | $trace_frame : sequence number of trace frame currently being debugged. | |
120 | $trace_line : source line of trace frame currently being debugged. | |
121 | $trace_file : source file of trace frame currently being debugged. | |
122 | $tracepoint : tracepoint number of trace frame currently being debugged. | |
c5aa993b | 123 | */ |
c906108c SS |
124 | |
125 | ||
126 | /* ======= Important global variables: ======= */ | |
127 | ||
f61e138d SS |
128 | /* The list of all trace state variables. We don't retain pointers to |
129 | any of these for any reason - API is by name or number only - so it | |
130 | works to have a vector of objects. */ | |
131 | ||
132 | typedef struct trace_state_variable tsv_s; | |
133 | DEF_VEC_O(tsv_s); | |
134 | ||
b3b9301e PA |
135 | /* An object describing the contents of a traceframe. */ |
136 | ||
137 | struct traceframe_info | |
138 | { | |
139 | /* Collected memory. */ | |
140 | VEC(mem_range_s) *memory; | |
141 | }; | |
142 | ||
f61e138d SS |
143 | static VEC(tsv_s) *tvariables; |
144 | ||
145 | /* The next integer to assign to a variable. */ | |
146 | ||
147 | static int next_tsv_number = 1; | |
148 | ||
c906108c SS |
149 | /* Number of last traceframe collected. */ |
150 | static int traceframe_number; | |
151 | ||
152 | /* Tracepoint for last traceframe collected. */ | |
153 | static int tracepoint_number; | |
154 | ||
c378eb4e | 155 | /* Symbol for function for last traceframe collected. */ |
c906108c SS |
156 | static struct symbol *traceframe_fun; |
157 | ||
c378eb4e | 158 | /* Symtab and line for last traceframe collected. */ |
c906108c SS |
159 | static struct symtab_and_line traceframe_sal; |
160 | ||
b3b9301e PA |
161 | /* The traceframe info of the current traceframe. NULL if we haven't |
162 | yet attempted to fetch it, or if the target does not support | |
163 | fetching this object, or if we're not inspecting a traceframe | |
164 | presently. */ | |
165 | static struct traceframe_info *traceframe_info; | |
166 | ||
c378eb4e | 167 | /* Tracing command lists. */ |
c906108c SS |
168 | static struct cmd_list_element *tfindlist; |
169 | ||
236f1d4d | 170 | /* List of expressions to collect by default at each tracepoint hit. */ |
35b1e5cc | 171 | char *default_collect = ""; |
236f1d4d | 172 | |
d5551862 SS |
173 | static int disconnected_tracing; |
174 | ||
4daf5ac0 SS |
175 | /* This variable controls whether we ask the target for a linear or |
176 | circular trace buffer. */ | |
177 | ||
178 | static int circular_trace_buffer; | |
179 | ||
f196051f SS |
180 | /* Textual notes applying to the current and/or future trace runs. */ |
181 | ||
182 | char *trace_user = NULL; | |
183 | ||
184 | /* Textual notes applying to the current and/or future trace runs. */ | |
185 | ||
186 | char *trace_notes = NULL; | |
187 | ||
188 | /* Textual notes applying to the stopping of a trace. */ | |
189 | ||
190 | char *trace_stop_notes = NULL; | |
191 | ||
c906108c | 192 | /* ======= Important command functions: ======= */ |
a14ed312 KB |
193 | static void trace_actions_command (char *, int); |
194 | static void trace_start_command (char *, int); | |
195 | static void trace_stop_command (char *, int); | |
196 | static void trace_status_command (char *, int); | |
197 | static void trace_find_command (char *, int); | |
198 | static void trace_find_pc_command (char *, int); | |
199 | static void trace_find_tracepoint_command (char *, int); | |
200 | static void trace_find_line_command (char *, int); | |
201 | static void trace_find_range_command (char *, int); | |
202 | static void trace_find_outside_command (char *, int); | |
a14ed312 | 203 | static void trace_dump_command (char *, int); |
c906108c SS |
204 | |
205 | /* support routines */ | |
c906108c SS |
206 | |
207 | struct collection_list; | |
a14ed312 | 208 | static void add_aexpr (struct collection_list *, struct agent_expr *); |
47b667de | 209 | static char *mem2hex (gdb_byte *, char *, int); |
a14ed312 KB |
210 | static void add_register (struct collection_list *collection, |
211 | unsigned int regno); | |
392a587b | 212 | |
00bf0b85 SS |
213 | static void free_uploaded_tps (struct uploaded_tp **utpp); |
214 | static void free_uploaded_tsvs (struct uploaded_tsv **utsvp); | |
215 | ||
216 | ||
a14ed312 | 217 | extern void _initialize_tracepoint (void); |
c906108c | 218 | |
00bf0b85 SS |
219 | static struct trace_status trace_status; |
220 | ||
221 | char *stop_reason_names[] = { | |
222 | "tunknown", | |
223 | "tnotrun", | |
224 | "tstop", | |
225 | "tfull", | |
226 | "tdisconnected", | |
6c28cbf2 SS |
227 | "tpasscount", |
228 | "terror" | |
00bf0b85 SS |
229 | }; |
230 | ||
231 | struct trace_status * | |
eeae04df | 232 | current_trace_status (void) |
00bf0b85 SS |
233 | { |
234 | return &trace_status; | |
235 | } | |
236 | ||
b3b9301e PA |
237 | /* Destroy INFO. */ |
238 | ||
239 | static void | |
240 | free_traceframe_info (struct traceframe_info *info) | |
241 | { | |
242 | if (info != NULL) | |
243 | { | |
244 | VEC_free (mem_range_s, info->memory); | |
245 | ||
246 | xfree (info); | |
247 | } | |
248 | } | |
249 | ||
7a9dd1b2 | 250 | /* Free and clear the traceframe info cache of the current |
b3b9301e PA |
251 | traceframe. */ |
252 | ||
253 | static void | |
254 | clear_traceframe_info (void) | |
255 | { | |
256 | free_traceframe_info (traceframe_info); | |
257 | traceframe_info = NULL; | |
258 | } | |
259 | ||
c906108c SS |
260 | /* Set traceframe number to NUM. */ |
261 | static void | |
fba45db2 | 262 | set_traceframe_num (int num) |
c906108c SS |
263 | { |
264 | traceframe_number = num; | |
4fa62494 | 265 | set_internalvar_integer (lookup_internalvar ("trace_frame"), num); |
c906108c SS |
266 | } |
267 | ||
268 | /* Set tracepoint number to NUM. */ | |
269 | static void | |
fba45db2 | 270 | set_tracepoint_num (int num) |
c906108c SS |
271 | { |
272 | tracepoint_number = num; | |
4fa62494 | 273 | set_internalvar_integer (lookup_internalvar ("tracepoint"), num); |
c906108c SS |
274 | } |
275 | ||
276 | /* Set externally visible debug variables for querying/printing | |
c378eb4e | 277 | the traceframe context (line, function, file). */ |
c906108c SS |
278 | |
279 | static void | |
fb14de7b | 280 | set_traceframe_context (struct frame_info *trace_frame) |
c906108c | 281 | { |
fb14de7b UW |
282 | CORE_ADDR trace_pc; |
283 | ||
dba09041 PA |
284 | /* Save as globals for internal use. */ |
285 | if (trace_frame != NULL | |
286 | && get_frame_pc_if_available (trace_frame, &trace_pc)) | |
287 | { | |
288 | traceframe_sal = find_pc_line (trace_pc, 0); | |
289 | traceframe_fun = find_pc_function (trace_pc); | |
290 | ||
291 | /* Save linenumber as "$trace_line", a debugger variable visible to | |
292 | users. */ | |
293 | set_internalvar_integer (lookup_internalvar ("trace_line"), | |
294 | traceframe_sal.line); | |
295 | } | |
296 | else | |
c906108c | 297 | { |
dba09041 PA |
298 | init_sal (&traceframe_sal); |
299 | traceframe_fun = NULL; | |
4fa62494 | 300 | set_internalvar_integer (lookup_internalvar ("trace_line"), -1); |
c906108c SS |
301 | } |
302 | ||
d183932d MS |
303 | /* Save func name as "$trace_func", a debugger variable visible to |
304 | users. */ | |
4fa62494 UW |
305 | if (traceframe_fun == NULL |
306 | || SYMBOL_LINKAGE_NAME (traceframe_fun) == NULL) | |
307 | clear_internalvar (lookup_internalvar ("trace_func")); | |
c906108c | 308 | else |
78267919 UW |
309 | set_internalvar_string (lookup_internalvar ("trace_func"), |
310 | SYMBOL_LINKAGE_NAME (traceframe_fun)); | |
c906108c | 311 | |
d183932d MS |
312 | /* Save file name as "$trace_file", a debugger variable visible to |
313 | users. */ | |
4fa62494 UW |
314 | if (traceframe_sal.symtab == NULL |
315 | || traceframe_sal.symtab->filename == NULL) | |
316 | clear_internalvar (lookup_internalvar ("trace_file")); | |
c906108c | 317 | else |
78267919 UW |
318 | set_internalvar_string (lookup_internalvar ("trace_file"), |
319 | traceframe_sal.symtab->filename); | |
c906108c SS |
320 | } |
321 | ||
f61e138d SS |
322 | /* Create a new trace state variable with the given name. */ |
323 | ||
324 | struct trace_state_variable * | |
325 | create_trace_state_variable (const char *name) | |
326 | { | |
327 | struct trace_state_variable tsv; | |
328 | ||
329 | memset (&tsv, 0, sizeof (tsv)); | |
40e1c229 | 330 | tsv.name = xstrdup (name); |
f61e138d SS |
331 | tsv.number = next_tsv_number++; |
332 | return VEC_safe_push (tsv_s, tvariables, &tsv); | |
333 | } | |
334 | ||
335 | /* Look for a trace state variable of the given name. */ | |
336 | ||
337 | struct trace_state_variable * | |
338 | find_trace_state_variable (const char *name) | |
339 | { | |
340 | struct trace_state_variable *tsv; | |
341 | int ix; | |
342 | ||
343 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
344 | if (strcmp (name, tsv->name) == 0) | |
345 | return tsv; | |
346 | ||
347 | return NULL; | |
348 | } | |
349 | ||
350 | void | |
351 | delete_trace_state_variable (const char *name) | |
352 | { | |
353 | struct trace_state_variable *tsv; | |
354 | int ix; | |
355 | ||
356 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
357 | if (strcmp (name, tsv->name) == 0) | |
358 | { | |
40e1c229 | 359 | xfree ((void *)tsv->name); |
f61e138d SS |
360 | VEC_unordered_remove (tsv_s, tvariables, ix); |
361 | return; | |
362 | } | |
363 | ||
364 | warning (_("No trace variable named \"$%s\", not deleting"), name); | |
365 | } | |
366 | ||
367 | /* The 'tvariable' command collects a name and optional expression to | |
368 | evaluate into an initial value. */ | |
369 | ||
370 | void | |
371 | trace_variable_command (char *args, int from_tty) | |
372 | { | |
373 | struct expression *expr; | |
374 | struct cleanup *old_chain; | |
375 | struct internalvar *intvar = NULL; | |
376 | LONGEST initval = 0; | |
377 | struct trace_state_variable *tsv; | |
378 | ||
379 | if (!args || !*args) | |
380 | error_no_arg (_("trace state variable name")); | |
381 | ||
382 | /* All the possible valid arguments are expressions. */ | |
383 | expr = parse_expression (args); | |
384 | old_chain = make_cleanup (free_current_contents, &expr); | |
385 | ||
386 | if (expr->nelts == 0) | |
387 | error (_("No expression?")); | |
388 | ||
389 | /* Only allow two syntaxes; "$name" and "$name=value". */ | |
390 | if (expr->elts[0].opcode == OP_INTERNALVAR) | |
391 | { | |
392 | intvar = expr->elts[1].internalvar; | |
393 | } | |
394 | else if (expr->elts[0].opcode == BINOP_ASSIGN | |
395 | && expr->elts[1].opcode == OP_INTERNALVAR) | |
396 | { | |
397 | intvar = expr->elts[2].internalvar; | |
398 | initval = value_as_long (evaluate_subexpression_type (expr, 4)); | |
399 | } | |
400 | else | |
401 | error (_("Syntax must be $NAME [ = EXPR ]")); | |
402 | ||
403 | if (!intvar) | |
404 | error (_("No name given")); | |
405 | ||
406 | if (strlen (internalvar_name (intvar)) <= 0) | |
407 | error (_("Must supply a non-empty variable name")); | |
408 | ||
409 | /* If the variable already exists, just change its initial value. */ | |
410 | tsv = find_trace_state_variable (internalvar_name (intvar)); | |
411 | if (tsv) | |
412 | { | |
413 | tsv->initial_value = initval; | |
3e43a32a MS |
414 | printf_filtered (_("Trace state variable $%s " |
415 | "now has initial value %s.\n"), | |
f61e138d | 416 | tsv->name, plongest (tsv->initial_value)); |
f90824dc | 417 | do_cleanups (old_chain); |
f61e138d SS |
418 | return; |
419 | } | |
420 | ||
421 | /* Create a new variable. */ | |
422 | tsv = create_trace_state_variable (internalvar_name (intvar)); | |
423 | tsv->initial_value = initval; | |
424 | ||
3e43a32a MS |
425 | printf_filtered (_("Trace state variable $%s " |
426 | "created, with initial value %s.\n"), | |
f61e138d SS |
427 | tsv->name, plongest (tsv->initial_value)); |
428 | ||
429 | do_cleanups (old_chain); | |
430 | } | |
431 | ||
432 | void | |
433 | delete_trace_variable_command (char *args, int from_tty) | |
434 | { | |
2a2287c7 | 435 | int ix; |
f61e138d SS |
436 | char **argv; |
437 | struct cleanup *back_to; | |
f61e138d SS |
438 | |
439 | if (args == NULL) | |
440 | { | |
441 | if (query (_("Delete all trace state variables? "))) | |
442 | VEC_free (tsv_s, tvariables); | |
443 | dont_repeat (); | |
444 | return; | |
445 | } | |
446 | ||
447 | argv = gdb_buildargv (args); | |
448 | back_to = make_cleanup_freeargv (argv); | |
449 | ||
2a2287c7 | 450 | for (ix = 0; argv[ix] != NULL; ix++) |
f61e138d | 451 | { |
2a2287c7 MS |
452 | if (*argv[ix] == '$') |
453 | delete_trace_state_variable (argv[ix] + 1); | |
f61e138d | 454 | else |
2a2287c7 | 455 | warning (_("Name \"%s\" not prefixed with '$', ignoring"), argv[ix]); |
f61e138d SS |
456 | } |
457 | ||
458 | do_cleanups (back_to); | |
459 | ||
460 | dont_repeat (); | |
461 | } | |
462 | ||
40e1c229 VP |
463 | void |
464 | tvariables_info_1 (void) | |
f61e138d SS |
465 | { |
466 | struct trace_state_variable *tsv; | |
467 | int ix; | |
40e1c229 VP |
468 | int count = 0; |
469 | struct cleanup *back_to; | |
79a45e25 | 470 | struct ui_out *uiout = current_uiout; |
f61e138d | 471 | |
40e1c229 | 472 | if (VEC_length (tsv_s, tvariables) == 0 && !ui_out_is_mi_like_p (uiout)) |
f61e138d SS |
473 | { |
474 | printf_filtered (_("No trace state variables.\n")); | |
475 | return; | |
476 | } | |
477 | ||
35b1e5cc | 478 | /* Try to acquire values from the target. */ |
4baf5cf4 | 479 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix, ++count) |
35b1e5cc SS |
480 | tsv->value_known = target_get_trace_state_variable_value (tsv->number, |
481 | &(tsv->value)); | |
482 | ||
40e1c229 VP |
483 | back_to = make_cleanup_ui_out_table_begin_end (uiout, 3, |
484 | count, "trace-variables"); | |
485 | ui_out_table_header (uiout, 15, ui_left, "name", "Name"); | |
486 | ui_out_table_header (uiout, 11, ui_left, "initial", "Initial"); | |
487 | ui_out_table_header (uiout, 11, ui_left, "current", "Current"); | |
488 | ||
489 | ui_out_table_body (uiout); | |
f61e138d SS |
490 | |
491 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
492 | { | |
40e1c229 VP |
493 | struct cleanup *back_to2; |
494 | char *c; | |
495 | char *name; | |
496 | ||
497 | back_to2 = make_cleanup_ui_out_tuple_begin_end (uiout, "variable"); | |
498 | ||
c4f7c687 | 499 | name = concat ("$", tsv->name, (char *) NULL); |
40e1c229 VP |
500 | make_cleanup (xfree, name); |
501 | ui_out_field_string (uiout, "name", name); | |
502 | ui_out_field_string (uiout, "initial", plongest (tsv->initial_value)); | |
503 | ||
f61e138d | 504 | if (tsv->value_known) |
40e1c229 VP |
505 | c = plongest (tsv->value); |
506 | else if (ui_out_is_mi_like_p (uiout)) | |
507 | /* For MI, we prefer not to use magic string constants, but rather | |
508 | omit the field completely. The difference between unknown and | |
509 | undefined does not seem important enough to represent. */ | |
510 | c = NULL; | |
00bf0b85 | 511 | else if (current_trace_status ()->running || traceframe_number >= 0) |
f61e138d | 512 | /* The value is/was defined, but we don't have it. */ |
40e1c229 | 513 | c = "<unknown>"; |
f61e138d SS |
514 | else |
515 | /* It is not meaningful to ask about the value. */ | |
40e1c229 VP |
516 | c = "<undefined>"; |
517 | if (c) | |
518 | ui_out_field_string (uiout, "current", c); | |
519 | ui_out_text (uiout, "\n"); | |
520 | ||
521 | do_cleanups (back_to2); | |
f61e138d | 522 | } |
40e1c229 VP |
523 | |
524 | do_cleanups (back_to); | |
525 | } | |
526 | ||
527 | /* List all the trace state variables. */ | |
528 | ||
529 | static void | |
530 | tvariables_info (char *args, int from_tty) | |
531 | { | |
532 | tvariables_info_1 (); | |
f61e138d SS |
533 | } |
534 | ||
8bf6485c SS |
535 | /* Stash definitions of tsvs into the given file. */ |
536 | ||
537 | void | |
538 | save_trace_state_variables (struct ui_file *fp) | |
539 | { | |
540 | struct trace_state_variable *tsv; | |
541 | int ix; | |
542 | ||
543 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
544 | { | |
545 | fprintf_unfiltered (fp, "tvariable $%s", tsv->name); | |
546 | if (tsv->initial_value) | |
547 | fprintf_unfiltered (fp, " = %s", plongest (tsv->initial_value)); | |
548 | fprintf_unfiltered (fp, "\n"); | |
549 | } | |
550 | } | |
551 | ||
c906108c SS |
552 | /* ACTIONS functions: */ |
553 | ||
c906108c | 554 | /* The three functions: |
c5aa993b JM |
555 | collect_pseudocommand, |
556 | while_stepping_pseudocommand, and | |
557 | end_actions_pseudocommand | |
c906108c SS |
558 | are placeholders for "commands" that are actually ONLY to be used |
559 | within a tracepoint action list. If the actual function is ever called, | |
560 | it means that somebody issued the "command" at the top level, | |
561 | which is always an error. */ | |
562 | ||
1042e4c0 | 563 | void |
fba45db2 | 564 | end_actions_pseudocommand (char *args, int from_tty) |
c906108c | 565 | { |
8a3fe4f8 | 566 | error (_("This command cannot be used at the top level.")); |
c906108c SS |
567 | } |
568 | ||
1042e4c0 | 569 | void |
fba45db2 | 570 | while_stepping_pseudocommand (char *args, int from_tty) |
c906108c | 571 | { |
8a3fe4f8 | 572 | error (_("This command can only be used in a tracepoint actions list.")); |
c906108c SS |
573 | } |
574 | ||
575 | static void | |
fba45db2 | 576 | collect_pseudocommand (char *args, int from_tty) |
c906108c | 577 | { |
8a3fe4f8 | 578 | error (_("This command can only be used in a tracepoint actions list.")); |
c906108c SS |
579 | } |
580 | ||
6da95a67 SS |
581 | static void |
582 | teval_pseudocommand (char *args, int from_tty) | |
583 | { | |
584 | error (_("This command can only be used in a tracepoint actions list.")); | |
585 | } | |
586 | ||
3065dfb6 SS |
587 | /* Parse any collection options, such as /s for strings. */ |
588 | ||
589 | char * | |
590 | decode_agent_options (char *exp) | |
591 | { | |
592 | struct value_print_options opts; | |
593 | ||
594 | if (*exp != '/') | |
595 | return exp; | |
596 | ||
597 | /* Call this to borrow the print elements default for collection | |
598 | size. */ | |
599 | get_user_print_options (&opts); | |
600 | ||
601 | exp++; | |
602 | if (*exp == 's') | |
603 | { | |
604 | if (target_supports_string_tracing ()) | |
605 | { | |
606 | /* Allow an optional decimal number giving an explicit maximum | |
607 | string length, defaulting it to the "print elements" value; | |
608 | so "collect/s80 mystr" gets at most 80 bytes of string. */ | |
609 | trace_string_kludge = opts.print_max; | |
610 | exp++; | |
611 | if (*exp >= '0' && *exp <= '9') | |
612 | trace_string_kludge = atoi (exp); | |
613 | while (*exp >= '0' && *exp <= '9') | |
614 | exp++; | |
615 | } | |
616 | else | |
617 | error (_("Target does not support \"/s\" option for string tracing.")); | |
618 | } | |
619 | else | |
620 | error (_("Undefined collection format \"%c\"."), *exp); | |
621 | ||
622 | exp = skip_spaces (exp); | |
623 | ||
624 | return exp; | |
625 | } | |
626 | ||
c906108c SS |
627 | /* Enter a list of actions for a tracepoint. */ |
628 | static void | |
fba45db2 | 629 | trace_actions_command (char *args, int from_tty) |
c906108c | 630 | { |
d9b3f62e | 631 | struct tracepoint *t; |
a7bdde9e | 632 | struct command_line *l; |
c906108c | 633 | |
197f0a60 | 634 | t = get_tracepoint_by_number (&args, NULL, 1); |
7a292a7a | 635 | if (t) |
c906108c | 636 | { |
a7bdde9e VP |
637 | char *tmpbuf = |
638 | xstrprintf ("Enter actions for tracepoint %d, one per line.", | |
d9b3f62e | 639 | t->base.number); |
a7bdde9e VP |
640 | struct cleanup *cleanups = make_cleanup (xfree, tmpbuf); |
641 | ||
3e43a32a MS |
642 | l = read_command_lines (tmpbuf, from_tty, 1, |
643 | check_tracepoint_command, t); | |
a7bdde9e | 644 | do_cleanups (cleanups); |
d9b3f62e | 645 | breakpoint_set_commands (&t->base, l); |
c906108c | 646 | } |
5c44784c | 647 | /* else just return */ |
c906108c SS |
648 | } |
649 | ||
fff87407 SS |
650 | /* Report the results of checking the agent expression, as errors or |
651 | internal errors. */ | |
652 | ||
653 | static void | |
35c9c7ba | 654 | report_agent_reqs_errors (struct agent_expr *aexpr) |
fff87407 SS |
655 | { |
656 | /* All of the "flaws" are serious bytecode generation issues that | |
657 | should never occur. */ | |
35c9c7ba | 658 | if (aexpr->flaw != agent_flaw_none) |
fff87407 SS |
659 | internal_error (__FILE__, __LINE__, _("expression is malformed")); |
660 | ||
661 | /* If analysis shows a stack underflow, GDB must have done something | |
662 | badly wrong in its bytecode generation. */ | |
35c9c7ba | 663 | if (aexpr->min_height < 0) |
fff87407 SS |
664 | internal_error (__FILE__, __LINE__, |
665 | _("expression has min height < 0")); | |
666 | ||
667 | /* Issue this error if the stack is predicted to get too deep. The | |
668 | limit is rather arbitrary; a better scheme might be for the | |
669 | target to report how much stack it will have available. The | |
670 | depth roughly corresponds to parenthesization, so a limit of 20 | |
671 | amounts to 20 levels of expression nesting, which is actually | |
672 | a pretty big hairy expression. */ | |
35c9c7ba | 673 | if (aexpr->max_height > 20) |
fff87407 SS |
674 | error (_("Expression is too complicated.")); |
675 | } | |
676 | ||
c906108c | 677 | /* worker function */ |
fff87407 | 678 | void |
d9b3f62e | 679 | validate_actionline (char **line, struct breakpoint *b) |
c906108c SS |
680 | { |
681 | struct cmd_list_element *c; | |
682 | struct expression *exp = NULL; | |
c906108c | 683 | struct cleanup *old_chain = NULL; |
9355b391 SS |
684 | char *p, *tmp_p; |
685 | struct bp_location *loc; | |
fff87407 | 686 | struct agent_expr *aexpr; |
d9b3f62e | 687 | struct tracepoint *t = (struct tracepoint *) b; |
c906108c | 688 | |
c378eb4e | 689 | /* If EOF is typed, *line is NULL. */ |
15255275 | 690 | if (*line == NULL) |
fff87407 | 691 | return; |
15255275 | 692 | |
104c1213 | 693 | for (p = *line; isspace ((int) *p);) |
c906108c SS |
694 | p++; |
695 | ||
d183932d MS |
696 | /* Symbol lookup etc. */ |
697 | if (*p == '\0') /* empty line: just prompt for another line. */ | |
fff87407 | 698 | return; |
c906108c | 699 | |
c5aa993b | 700 | if (*p == '#') /* comment line */ |
fff87407 | 701 | return; |
c906108c SS |
702 | |
703 | c = lookup_cmd (&p, cmdlist, "", -1, 1); | |
704 | if (c == 0) | |
fff87407 | 705 | error (_("`%s' is not a tracepoint action, or is ambiguous."), p); |
c5aa993b | 706 | |
bbaca940 | 707 | if (cmd_cfunc_eq (c, collect_pseudocommand)) |
c906108c | 708 | { |
3065dfb6 SS |
709 | trace_string_kludge = 0; |
710 | if (*p == '/') | |
711 | p = decode_agent_options (p); | |
712 | ||
c5aa993b | 713 | do |
c378eb4e MS |
714 | { /* Repeat over a comma-separated list. */ |
715 | QUIT; /* Allow user to bail out with ^C. */ | |
104c1213 | 716 | while (isspace ((int) *p)) |
c5aa993b | 717 | p++; |
c906108c | 718 | |
c378eb4e | 719 | if (*p == '$') /* Look for special pseudo-symbols. */ |
c5aa993b | 720 | { |
0fb4aa4b PA |
721 | if (0 == strncasecmp ("reg", p + 1, 3) |
722 | || 0 == strncasecmp ("arg", p + 1, 3) | |
723 | || 0 == strncasecmp ("loc", p + 1, 3) | |
6710bf39 | 724 | || 0 == strncasecmp ("_ret", p + 1, 4) |
0fb4aa4b | 725 | || 0 == strncasecmp ("_sdata", p + 1, 6)) |
c5aa993b JM |
726 | { |
727 | p = strchr (p, ','); | |
728 | continue; | |
729 | } | |
d183932d | 730 | /* else fall thru, treat p as an expression and parse it! */ |
c5aa993b | 731 | } |
9355b391 | 732 | tmp_p = p; |
d9b3f62e | 733 | for (loc = t->base.loc; loc; loc = loc->next) |
c5aa993b | 734 | { |
9355b391 SS |
735 | p = tmp_p; |
736 | exp = parse_exp_1 (&p, block_for_pc (loc->address), 1); | |
737 | old_chain = make_cleanup (free_current_contents, &exp); | |
738 | ||
739 | if (exp->elts[0].opcode == OP_VAR_VALUE) | |
c5aa993b | 740 | { |
9355b391 SS |
741 | if (SYMBOL_CLASS (exp->elts[2].symbol) == LOC_CONST) |
742 | { | |
3e43a32a MS |
743 | error (_("constant `%s' (value %ld) " |
744 | "will not be collected."), | |
fff87407 SS |
745 | SYMBOL_PRINT_NAME (exp->elts[2].symbol), |
746 | SYMBOL_VALUE (exp->elts[2].symbol)); | |
9355b391 | 747 | } |
3e43a32a MS |
748 | else if (SYMBOL_CLASS (exp->elts[2].symbol) |
749 | == LOC_OPTIMIZED_OUT) | |
9355b391 | 750 | { |
3e43a32a MS |
751 | error (_("`%s' is optimized away " |
752 | "and cannot be collected."), | |
fff87407 | 753 | SYMBOL_PRINT_NAME (exp->elts[2].symbol)); |
9355b391 | 754 | } |
c5aa993b | 755 | } |
c906108c | 756 | |
9355b391 SS |
757 | /* We have something to collect, make sure that the expr to |
758 | bytecode translator can handle it and that it's not too | |
759 | long. */ | |
760 | aexpr = gen_trace_for_expr (loc->address, exp); | |
761 | make_cleanup_free_agent_expr (aexpr); | |
c906108c | 762 | |
9355b391 | 763 | if (aexpr->len > MAX_AGENT_EXPR_LEN) |
fff87407 | 764 | error (_("Expression is too complicated.")); |
c906108c | 765 | |
35c9c7ba | 766 | ax_reqs (aexpr); |
c906108c | 767 | |
35c9c7ba | 768 | report_agent_reqs_errors (aexpr); |
c906108c | 769 | |
9355b391 SS |
770 | do_cleanups (old_chain); |
771 | } | |
c5aa993b JM |
772 | } |
773 | while (p && *p++ == ','); | |
c906108c | 774 | } |
fff87407 | 775 | |
6da95a67 SS |
776 | else if (cmd_cfunc_eq (c, teval_pseudocommand)) |
777 | { | |
6da95a67 | 778 | do |
c378eb4e MS |
779 | { /* Repeat over a comma-separated list. */ |
780 | QUIT; /* Allow user to bail out with ^C. */ | |
6da95a67 SS |
781 | while (isspace ((int) *p)) |
782 | p++; | |
783 | ||
9355b391 | 784 | tmp_p = p; |
d9b3f62e | 785 | for (loc = t->base.loc; loc; loc = loc->next) |
9355b391 SS |
786 | { |
787 | p = tmp_p; | |
788 | /* Only expressions are allowed for this action. */ | |
789 | exp = parse_exp_1 (&p, block_for_pc (loc->address), 1); | |
790 | old_chain = make_cleanup (free_current_contents, &exp); | |
6da95a67 | 791 | |
9355b391 SS |
792 | /* We have something to evaluate, make sure that the expr to |
793 | bytecode translator can handle it and that it's not too | |
794 | long. */ | |
795 | aexpr = gen_eval_for_expr (loc->address, exp); | |
796 | make_cleanup_free_agent_expr (aexpr); | |
6da95a67 | 797 | |
9355b391 | 798 | if (aexpr->len > MAX_AGENT_EXPR_LEN) |
fff87407 SS |
799 | error (_("Expression is too complicated.")); |
800 | ||
35c9c7ba SS |
801 | ax_reqs (aexpr); |
802 | report_agent_reqs_errors (aexpr); | |
6da95a67 | 803 | |
9355b391 SS |
804 | do_cleanups (old_chain); |
805 | } | |
6da95a67 SS |
806 | } |
807 | while (p && *p++ == ','); | |
6da95a67 | 808 | } |
fff87407 | 809 | |
bbaca940 | 810 | else if (cmd_cfunc_eq (c, while_stepping_pseudocommand)) |
c906108c | 811 | { |
c378eb4e | 812 | char *steparg; /* In case warning is necessary. */ |
c906108c | 813 | |
104c1213 | 814 | while (isspace ((int) *p)) |
c906108c SS |
815 | p++; |
816 | steparg = p; | |
817 | ||
fff87407 SS |
818 | if (*p == '\0' || (t->step_count = strtol (p, &p, 0)) == 0) |
819 | error (_("while-stepping step count `%s' is malformed."), *line); | |
c906108c | 820 | } |
fff87407 | 821 | |
bbaca940 | 822 | else if (cmd_cfunc_eq (c, end_actions_pseudocommand)) |
fff87407 SS |
823 | ; |
824 | ||
c906108c | 825 | else |
fff87407 | 826 | error (_("`%s' is not a supported tracepoint action."), *line); |
74b7792f AC |
827 | } |
828 | ||
f50e79a4 JB |
829 | enum { |
830 | memrange_absolute = -1 | |
831 | }; | |
832 | ||
c5aa993b JM |
833 | struct memrange |
834 | { | |
f50e79a4 | 835 | int type; /* memrange_absolute for absolute memory range, |
c378eb4e | 836 | else basereg number. */ |
c906108c SS |
837 | bfd_signed_vma start; |
838 | bfd_signed_vma end; | |
839 | }; | |
840 | ||
c5aa993b JM |
841 | struct collection_list |
842 | { | |
549678da | 843 | unsigned char regs_mask[32]; /* room for up to 256 regs */ |
c5aa993b JM |
844 | long listsize; |
845 | long next_memrange; | |
846 | struct memrange *list; | |
847 | long aexpr_listsize; /* size of array pointed to by expr_list elt */ | |
848 | long next_aexpr_elt; | |
849 | struct agent_expr **aexpr_list; | |
850 | ||
0fb4aa4b PA |
851 | /* True is the user requested a collection of "$_sdata", "static |
852 | tracepoint data". */ | |
853 | int strace_data; | |
c5aa993b JM |
854 | } |
855 | tracepoint_list, stepping_list; | |
c906108c SS |
856 | |
857 | /* MEMRANGE functions: */ | |
858 | ||
a14ed312 | 859 | static int memrange_cmp (const void *, const void *); |
c906108c | 860 | |
c378eb4e | 861 | /* Compare memranges for qsort. */ |
c906108c | 862 | static int |
fba45db2 | 863 | memrange_cmp (const void *va, const void *vb) |
c906108c SS |
864 | { |
865 | const struct memrange *a = va, *b = vb; | |
866 | ||
867 | if (a->type < b->type) | |
868 | return -1; | |
869 | if (a->type > b->type) | |
c5aa993b | 870 | return 1; |
f50e79a4 | 871 | if (a->type == memrange_absolute) |
c906108c | 872 | { |
c5aa993b JM |
873 | if ((bfd_vma) a->start < (bfd_vma) b->start) |
874 | return -1; | |
875 | if ((bfd_vma) a->start > (bfd_vma) b->start) | |
876 | return 1; | |
c906108c SS |
877 | } |
878 | else | |
879 | { | |
c5aa993b | 880 | if (a->start < b->start) |
c906108c | 881 | return -1; |
c5aa993b JM |
882 | if (a->start > b->start) |
883 | return 1; | |
c906108c SS |
884 | } |
885 | return 0; | |
886 | } | |
887 | ||
d183932d | 888 | /* Sort the memrange list using qsort, and merge adjacent memranges. */ |
c906108c | 889 | static void |
fba45db2 | 890 | memrange_sortmerge (struct collection_list *memranges) |
c906108c SS |
891 | { |
892 | int a, b; | |
893 | ||
c5aa993b | 894 | qsort (memranges->list, memranges->next_memrange, |
c906108c SS |
895 | sizeof (struct memrange), memrange_cmp); |
896 | if (memranges->next_memrange > 0) | |
897 | { | |
898 | for (a = 0, b = 1; b < memranges->next_memrange; b++) | |
899 | { | |
1b28d0b3 PA |
900 | /* If memrange b overlaps or is adjacent to memrange a, |
901 | merge them. */ | |
902 | if (memranges->list[a].type == memranges->list[b].type | |
903 | && memranges->list[b].start <= memranges->list[a].end) | |
c906108c | 904 | { |
08807d5a PA |
905 | if (memranges->list[b].end > memranges->list[a].end) |
906 | memranges->list[a].end = memranges->list[b].end; | |
c906108c SS |
907 | continue; /* next b, same a */ |
908 | } | |
909 | a++; /* next a */ | |
910 | if (a != b) | |
c5aa993b | 911 | memcpy (&memranges->list[a], &memranges->list[b], |
c906108c SS |
912 | sizeof (struct memrange)); |
913 | } | |
914 | memranges->next_memrange = a + 1; | |
915 | } | |
916 | } | |
917 | ||
d183932d | 918 | /* Add a register to a collection list. */ |
392a587b | 919 | static void |
fba45db2 | 920 | add_register (struct collection_list *collection, unsigned int regno) |
c906108c SS |
921 | { |
922 | if (info_verbose) | |
923 | printf_filtered ("collect register %d\n", regno); | |
27e06d3e | 924 | if (regno >= (8 * sizeof (collection->regs_mask))) |
8a3fe4f8 | 925 | error (_("Internal: register number %d too large for tracepoint"), |
c906108c | 926 | regno); |
c5aa993b | 927 | collection->regs_mask[regno / 8] |= 1 << (regno % 8); |
c906108c SS |
928 | } |
929 | ||
c378eb4e | 930 | /* Add a memrange to a collection list. */ |
c906108c | 931 | static void |
d183932d MS |
932 | add_memrange (struct collection_list *memranges, |
933 | int type, bfd_signed_vma base, | |
fba45db2 | 934 | unsigned long len) |
c906108c SS |
935 | { |
936 | if (info_verbose) | |
104c1213 JM |
937 | { |
938 | printf_filtered ("(%d,", type); | |
939 | printf_vma (base); | |
940 | printf_filtered (",%ld)\n", len); | |
941 | } | |
942 | ||
f50e79a4 | 943 | /* type: memrange_absolute == memory, other n == basereg */ |
c5aa993b | 944 | memranges->list[memranges->next_memrange].type = type; |
d183932d | 945 | /* base: addr if memory, offset if reg relative. */ |
c906108c SS |
946 | memranges->list[memranges->next_memrange].start = base; |
947 | /* len: we actually save end (base + len) for convenience */ | |
c5aa993b | 948 | memranges->list[memranges->next_memrange].end = base + len; |
c906108c SS |
949 | memranges->next_memrange++; |
950 | if (memranges->next_memrange >= memranges->listsize) | |
951 | { | |
952 | memranges->listsize *= 2; | |
c5aa993b | 953 | memranges->list = xrealloc (memranges->list, |
c906108c SS |
954 | memranges->listsize); |
955 | } | |
956 | ||
3e43a32a | 957 | if (type != memrange_absolute) /* Better collect the base register! */ |
c906108c SS |
958 | add_register (memranges, type); |
959 | } | |
960 | ||
d183932d | 961 | /* Add a symbol to a collection list. */ |
c906108c | 962 | static void |
d183932d MS |
963 | collect_symbol (struct collection_list *collect, |
964 | struct symbol *sym, | |
a6d9a66e | 965 | struct gdbarch *gdbarch, |
0936ad1d SS |
966 | long frame_regno, long frame_offset, |
967 | CORE_ADDR scope) | |
c906108c | 968 | { |
c5aa993b | 969 | unsigned long len; |
104c1213 | 970 | unsigned int reg; |
c906108c | 971 | bfd_signed_vma offset; |
400c6af0 | 972 | int treat_as_expr = 0; |
c906108c | 973 | |
c5aa993b JM |
974 | len = TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym))); |
975 | switch (SYMBOL_CLASS (sym)) | |
976 | { | |
977 | default: | |
978 | printf_filtered ("%s: don't know symbol class %d\n", | |
3567439c | 979 | SYMBOL_PRINT_NAME (sym), |
d183932d | 980 | SYMBOL_CLASS (sym)); |
c5aa993b JM |
981 | break; |
982 | case LOC_CONST: | |
104c1213 | 983 | printf_filtered ("constant %s (value %ld) will not be collected.\n", |
3567439c | 984 | SYMBOL_PRINT_NAME (sym), SYMBOL_VALUE (sym)); |
c5aa993b JM |
985 | break; |
986 | case LOC_STATIC: | |
987 | offset = SYMBOL_VALUE_ADDRESS (sym); | |
988 | if (info_verbose) | |
104c1213 JM |
989 | { |
990 | char tmp[40]; | |
991 | ||
992 | sprintf_vma (tmp, offset); | |
993 | printf_filtered ("LOC_STATIC %s: collect %ld bytes at %s.\n", | |
3567439c | 994 | SYMBOL_PRINT_NAME (sym), len, |
d183932d | 995 | tmp /* address */); |
104c1213 | 996 | } |
400c6af0 SS |
997 | /* A struct may be a C++ class with static fields, go to general |
998 | expression handling. */ | |
999 | if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT) | |
1000 | treat_as_expr = 1; | |
1001 | else | |
1002 | add_memrange (collect, memrange_absolute, offset, len); | |
c5aa993b JM |
1003 | break; |
1004 | case LOC_REGISTER: | |
a6d9a66e | 1005 | reg = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); |
c5aa993b | 1006 | if (info_verbose) |
d183932d | 1007 | printf_filtered ("LOC_REG[parm] %s: ", |
3567439c | 1008 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b | 1009 | add_register (collect, reg); |
d183932d MS |
1010 | /* Check for doubles stored in two registers. */ |
1011 | /* FIXME: how about larger types stored in 3 or more regs? */ | |
c5aa993b | 1012 | if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_FLT && |
a6d9a66e | 1013 | len > register_size (gdbarch, reg)) |
c5aa993b JM |
1014 | add_register (collect, reg + 1); |
1015 | break; | |
1016 | case LOC_REF_ARG: | |
1017 | printf_filtered ("Sorry, don't know how to do LOC_REF_ARG yet.\n"); | |
1018 | printf_filtered (" (will not collect %s)\n", | |
3567439c | 1019 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b JM |
1020 | break; |
1021 | case LOC_ARG: | |
1022 | reg = frame_regno; | |
1023 | offset = frame_offset + SYMBOL_VALUE (sym); | |
1024 | if (info_verbose) | |
1025 | { | |
104c1213 | 1026 | printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ", |
3567439c | 1027 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
1028 | printf_vma (offset); |
1029 | printf_filtered (" from frame ptr reg %d\n", reg); | |
c5aa993b JM |
1030 | } |
1031 | add_memrange (collect, reg, offset, len); | |
1032 | break; | |
1033 | case LOC_REGPARM_ADDR: | |
1034 | reg = SYMBOL_VALUE (sym); | |
1035 | offset = 0; | |
1036 | if (info_verbose) | |
1037 | { | |
104c1213 | 1038 | printf_filtered ("LOC_REGPARM_ADDR %s: Collect %ld bytes at offset ", |
3567439c | 1039 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
1040 | printf_vma (offset); |
1041 | printf_filtered (" from reg %d\n", reg); | |
c5aa993b JM |
1042 | } |
1043 | add_memrange (collect, reg, offset, len); | |
1044 | break; | |
1045 | case LOC_LOCAL: | |
c5aa993b JM |
1046 | reg = frame_regno; |
1047 | offset = frame_offset + SYMBOL_VALUE (sym); | |
1048 | if (info_verbose) | |
1049 | { | |
104c1213 | 1050 | printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ", |
3567439c | 1051 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
1052 | printf_vma (offset); |
1053 | printf_filtered (" from frame ptr reg %d\n", reg); | |
c5aa993b JM |
1054 | } |
1055 | add_memrange (collect, reg, offset, len); | |
1056 | break; | |
a0405854 | 1057 | |
c5aa993b | 1058 | case LOC_UNRESOLVED: |
a0405854 | 1059 | treat_as_expr = 1; |
c5aa993b | 1060 | break; |
a0405854 | 1061 | |
c5aa993b | 1062 | case LOC_OPTIMIZED_OUT: |
8e1a459b | 1063 | printf_filtered ("%s has been optimized out of existence.\n", |
3567439c | 1064 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b | 1065 | break; |
0936ad1d SS |
1066 | |
1067 | case LOC_COMPUTED: | |
400c6af0 | 1068 | treat_as_expr = 1; |
0936ad1d | 1069 | break; |
c5aa993b | 1070 | } |
400c6af0 SS |
1071 | |
1072 | /* Expressions are the most general case. */ | |
1073 | if (treat_as_expr) | |
1074 | { | |
1075 | struct agent_expr *aexpr; | |
1076 | struct cleanup *old_chain1 = NULL; | |
400c6af0 SS |
1077 | |
1078 | aexpr = gen_trace_for_var (scope, gdbarch, sym); | |
1079 | ||
1080 | /* It can happen that the symbol is recorded as a computed | |
1081 | location, but it's been optimized away and doesn't actually | |
1082 | have a location expression. */ | |
1083 | if (!aexpr) | |
1084 | { | |
1085 | printf_filtered ("%s has been optimized out of existence.\n", | |
1086 | SYMBOL_PRINT_NAME (sym)); | |
1087 | return; | |
1088 | } | |
1089 | ||
1090 | old_chain1 = make_cleanup_free_agent_expr (aexpr); | |
1091 | ||
35c9c7ba | 1092 | ax_reqs (aexpr); |
fff87407 | 1093 | |
35c9c7ba | 1094 | report_agent_reqs_errors (aexpr); |
400c6af0 SS |
1095 | |
1096 | discard_cleanups (old_chain1); | |
1097 | add_aexpr (collect, aexpr); | |
1098 | ||
c378eb4e | 1099 | /* Take care of the registers. */ |
35c9c7ba | 1100 | if (aexpr->reg_mask_len > 0) |
400c6af0 SS |
1101 | { |
1102 | int ndx1, ndx2; | |
1103 | ||
35c9c7ba | 1104 | for (ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++) |
400c6af0 | 1105 | { |
c378eb4e | 1106 | QUIT; /* Allow user to bail out with ^C. */ |
35c9c7ba | 1107 | if (aexpr->reg_mask[ndx1] != 0) |
400c6af0 | 1108 | { |
c378eb4e | 1109 | /* Assume chars have 8 bits. */ |
400c6af0 | 1110 | for (ndx2 = 0; ndx2 < 8; ndx2++) |
35c9c7ba | 1111 | if (aexpr->reg_mask[ndx1] & (1 << ndx2)) |
c378eb4e | 1112 | /* It's used -- record it. */ |
400c6af0 SS |
1113 | add_register (collect, ndx1 * 8 + ndx2); |
1114 | } | |
1115 | } | |
1116 | } | |
1117 | } | |
c906108c SS |
1118 | } |
1119 | ||
2c58c0a9 PA |
1120 | /* Data to be passed around in the calls to the locals and args |
1121 | iterators. */ | |
1122 | ||
1123 | struct add_local_symbols_data | |
1124 | { | |
1125 | struct collection_list *collect; | |
1126 | struct gdbarch *gdbarch; | |
1127 | CORE_ADDR pc; | |
1128 | long frame_regno; | |
1129 | long frame_offset; | |
1130 | int count; | |
1131 | }; | |
1132 | ||
c378eb4e | 1133 | /* The callback for the locals and args iterators. */ |
2c58c0a9 PA |
1134 | |
1135 | static void | |
1136 | do_collect_symbol (const char *print_name, | |
1137 | struct symbol *sym, | |
1138 | void *cb_data) | |
1139 | { | |
1140 | struct add_local_symbols_data *p = cb_data; | |
1141 | ||
1142 | collect_symbol (p->collect, sym, p->gdbarch, p->frame_regno, | |
1143 | p->frame_offset, p->pc); | |
1144 | p->count++; | |
1145 | } | |
1146 | ||
c378eb4e | 1147 | /* Add all locals (or args) symbols to collection list. */ |
c906108c | 1148 | static void |
a6d9a66e UW |
1149 | add_local_symbols (struct collection_list *collect, |
1150 | struct gdbarch *gdbarch, CORE_ADDR pc, | |
fba45db2 | 1151 | long frame_regno, long frame_offset, int type) |
c906108c | 1152 | { |
c5aa993b | 1153 | struct block *block; |
2c58c0a9 PA |
1154 | struct add_local_symbols_data cb_data; |
1155 | ||
1156 | cb_data.collect = collect; | |
1157 | cb_data.gdbarch = gdbarch; | |
1158 | cb_data.pc = pc; | |
1159 | cb_data.frame_regno = frame_regno; | |
1160 | cb_data.frame_offset = frame_offset; | |
1161 | cb_data.count = 0; | |
c906108c | 1162 | |
2c58c0a9 | 1163 | if (type == 'L') |
c906108c | 1164 | { |
2c58c0a9 PA |
1165 | block = block_for_pc (pc); |
1166 | if (block == NULL) | |
c906108c | 1167 | { |
2c58c0a9 PA |
1168 | warning (_("Can't collect locals; " |
1169 | "no symbol table info available.\n")); | |
1170 | return; | |
c906108c | 1171 | } |
2c58c0a9 PA |
1172 | |
1173 | iterate_over_block_local_vars (block, do_collect_symbol, &cb_data); | |
1174 | if (cb_data.count == 0) | |
1175 | warning (_("No locals found in scope.")); | |
1176 | } | |
1177 | else | |
1178 | { | |
1179 | pc = get_pc_function_start (pc); | |
1180 | block = block_for_pc (pc); | |
1181 | if (block == NULL) | |
1182 | { | |
b37520b6 | 1183 | warning (_("Can't collect args; no symbol table info available.")); |
2c58c0a9 PA |
1184 | return; |
1185 | } | |
1186 | ||
1187 | iterate_over_block_arg_vars (block, do_collect_symbol, &cb_data); | |
1188 | if (cb_data.count == 0) | |
1189 | warning (_("No args found in scope.")); | |
c906108c | 1190 | } |
c906108c SS |
1191 | } |
1192 | ||
0fb4aa4b PA |
1193 | static void |
1194 | add_static_trace_data (struct collection_list *collection) | |
1195 | { | |
1196 | if (info_verbose) | |
1197 | printf_filtered ("collect static trace data\n"); | |
1198 | collection->strace_data = 1; | |
1199 | } | |
1200 | ||
c906108c SS |
1201 | /* worker function */ |
1202 | static void | |
fba45db2 | 1203 | clear_collection_list (struct collection_list *list) |
c906108c SS |
1204 | { |
1205 | int ndx; | |
1206 | ||
1207 | list->next_memrange = 0; | |
1208 | for (ndx = 0; ndx < list->next_aexpr_elt; ndx++) | |
1209 | { | |
c5aa993b | 1210 | free_agent_expr (list->aexpr_list[ndx]); |
c906108c SS |
1211 | list->aexpr_list[ndx] = NULL; |
1212 | } | |
1213 | list->next_aexpr_elt = 0; | |
1214 | memset (list->regs_mask, 0, sizeof (list->regs_mask)); | |
0fb4aa4b | 1215 | list->strace_data = 0; |
c906108c SS |
1216 | } |
1217 | ||
c378eb4e | 1218 | /* Reduce a collection list to string form (for gdb protocol). */ |
c906108c | 1219 | static char ** |
fba45db2 | 1220 | stringify_collection_list (struct collection_list *list, char *string) |
c906108c SS |
1221 | { |
1222 | char temp_buf[2048]; | |
104c1213 | 1223 | char tmp2[40]; |
c906108c SS |
1224 | int count; |
1225 | int ndx = 0; | |
1226 | char *(*str_list)[]; | |
1227 | char *end; | |
c5aa993b | 1228 | long i; |
c906108c | 1229 | |
0fb4aa4b | 1230 | count = 1 + 1 + list->next_memrange + list->next_aexpr_elt + 1; |
c5aa993b | 1231 | str_list = (char *(*)[]) xmalloc (count * sizeof (char *)); |
c906108c | 1232 | |
0fb4aa4b PA |
1233 | if (list->strace_data) |
1234 | { | |
1235 | if (info_verbose) | |
1236 | printf_filtered ("\nCollecting static trace data\n"); | |
1237 | end = temp_buf; | |
1238 | *end++ = 'L'; | |
1239 | (*str_list)[ndx] = savestring (temp_buf, end - temp_buf); | |
1240 | ndx++; | |
1241 | } | |
1242 | ||
c906108c | 1243 | for (i = sizeof (list->regs_mask) - 1; i > 0; i--) |
c378eb4e | 1244 | if (list->regs_mask[i] != 0) /* Skip leading zeroes in regs_mask. */ |
c906108c | 1245 | break; |
c378eb4e | 1246 | if (list->regs_mask[i] != 0) /* Prepare to send regs_mask to the stub. */ |
c906108c SS |
1247 | { |
1248 | if (info_verbose) | |
1249 | printf_filtered ("\nCollecting registers (mask): 0x"); | |
1250 | end = temp_buf; | |
c5aa993b | 1251 | *end++ = 'R'; |
c906108c SS |
1252 | for (; i >= 0; i--) |
1253 | { | |
c378eb4e | 1254 | QUIT; /* Allow user to bail out with ^C. */ |
c906108c SS |
1255 | if (info_verbose) |
1256 | printf_filtered ("%02X", list->regs_mask[i]); | |
c5aa993b | 1257 | sprintf (end, "%02X", list->regs_mask[i]); |
c906108c SS |
1258 | end += 2; |
1259 | } | |
1b36a34b | 1260 | (*str_list)[ndx] = xstrdup (temp_buf); |
c906108c SS |
1261 | ndx++; |
1262 | } | |
1263 | if (info_verbose) | |
1264 | printf_filtered ("\n"); | |
1265 | if (list->next_memrange > 0 && info_verbose) | |
1266 | printf_filtered ("Collecting memranges: \n"); | |
1267 | for (i = 0, count = 0, end = temp_buf; i < list->next_memrange; i++) | |
1268 | { | |
c378eb4e | 1269 | QUIT; /* Allow user to bail out with ^C. */ |
104c1213 | 1270 | sprintf_vma (tmp2, list->list[i].start); |
c906108c | 1271 | if (info_verbose) |
104c1213 JM |
1272 | { |
1273 | printf_filtered ("(%d, %s, %ld)\n", | |
1274 | list->list[i].type, | |
1275 | tmp2, | |
1276 | (long) (list->list[i].end - list->list[i].start)); | |
1277 | } | |
c906108c SS |
1278 | if (count + 27 > MAX_AGENT_EXPR_LEN) |
1279 | { | |
c5aa993b | 1280 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
1281 | ndx++; |
1282 | count = 0; | |
1283 | end = temp_buf; | |
1284 | } | |
104c1213 | 1285 | |
d1948716 JB |
1286 | { |
1287 | bfd_signed_vma length = list->list[i].end - list->list[i].start; | |
1288 | ||
1289 | /* The "%X" conversion specifier expects an unsigned argument, | |
f50e79a4 JB |
1290 | so passing -1 (memrange_absolute) to it directly gives you |
1291 | "FFFFFFFF" (or more, depending on sizeof (unsigned)). | |
1292 | Special-case it. */ | |
1293 | if (list->list[i].type == memrange_absolute) | |
d1948716 JB |
1294 | sprintf (end, "M-1,%s,%lX", tmp2, (long) length); |
1295 | else | |
1296 | sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length); | |
1297 | } | |
104c1213 | 1298 | |
c906108c | 1299 | count += strlen (end); |
3ffbc0a5 | 1300 | end = temp_buf + count; |
c906108c SS |
1301 | } |
1302 | ||
1303 | for (i = 0; i < list->next_aexpr_elt; i++) | |
1304 | { | |
c378eb4e | 1305 | QUIT; /* Allow user to bail out with ^C. */ |
c906108c SS |
1306 | if ((count + 10 + 2 * list->aexpr_list[i]->len) > MAX_AGENT_EXPR_LEN) |
1307 | { | |
c5aa993b | 1308 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
1309 | ndx++; |
1310 | count = 0; | |
1311 | end = temp_buf; | |
1312 | } | |
1313 | sprintf (end, "X%08X,", list->aexpr_list[i]->len); | |
1314 | end += 10; /* 'X' + 8 hex digits + ',' */ | |
1315 | count += 10; | |
1316 | ||
d183932d MS |
1317 | end = mem2hex (list->aexpr_list[i]->buf, |
1318 | end, list->aexpr_list[i]->len); | |
c906108c SS |
1319 | count += 2 * list->aexpr_list[i]->len; |
1320 | } | |
1321 | ||
1322 | if (count != 0) | |
1323 | { | |
c5aa993b | 1324 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
1325 | ndx++; |
1326 | count = 0; | |
1327 | end = temp_buf; | |
1328 | } | |
1329 | (*str_list)[ndx] = NULL; | |
1330 | ||
1331 | if (ndx == 0) | |
27e06d3e | 1332 | { |
6c761d9c | 1333 | xfree (str_list); |
27e06d3e MS |
1334 | return NULL; |
1335 | } | |
c906108c SS |
1336 | else |
1337 | return *str_list; | |
1338 | } | |
1339 | ||
a7bdde9e VP |
1340 | |
1341 | static void | |
1342 | encode_actions_1 (struct command_line *action, | |
1343 | struct breakpoint *t, | |
1344 | struct bp_location *tloc, | |
1345 | int frame_reg, | |
1346 | LONGEST frame_offset, | |
1347 | struct collection_list *collect, | |
1348 | struct collection_list *stepping_list) | |
c906108c | 1349 | { |
c5aa993b JM |
1350 | char *action_exp; |
1351 | struct expression *exp = NULL; | |
104c1213 | 1352 | int i; |
f976f6d4 | 1353 | struct value *tempval; |
c906108c SS |
1354 | struct cmd_list_element *cmd; |
1355 | struct agent_expr *aexpr; | |
236f1d4d SS |
1356 | |
1357 | for (; action; action = action->next) | |
c906108c | 1358 | { |
c378eb4e | 1359 | QUIT; /* Allow user to bail out with ^C. */ |
a7bdde9e | 1360 | action_exp = action->line; |
104c1213 | 1361 | while (isspace ((int) *action_exp)) |
c906108c SS |
1362 | action_exp++; |
1363 | ||
c906108c SS |
1364 | cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1); |
1365 | if (cmd == 0) | |
8a3fe4f8 | 1366 | error (_("Bad action list item: %s"), action_exp); |
c906108c | 1367 | |
bbaca940 | 1368 | if (cmd_cfunc_eq (cmd, collect_pseudocommand)) |
c906108c | 1369 | { |
3065dfb6 SS |
1370 | trace_string_kludge = 0; |
1371 | if (*action_exp == '/') | |
1372 | action_exp = decode_agent_options (action_exp); | |
1373 | ||
c5aa993b | 1374 | do |
c378eb4e MS |
1375 | { /* Repeat over a comma-separated list. */ |
1376 | QUIT; /* Allow user to bail out with ^C. */ | |
104c1213 | 1377 | while (isspace ((int) *action_exp)) |
c5aa993b | 1378 | action_exp++; |
c906108c | 1379 | |
c5aa993b JM |
1380 | if (0 == strncasecmp ("$reg", action_exp, 4)) |
1381 | { | |
3e05895e | 1382 | for (i = 0; i < gdbarch_num_regs (tloc->gdbarch); i++) |
c5aa993b JM |
1383 | add_register (collect, i); |
1384 | action_exp = strchr (action_exp, ','); /* more? */ | |
1385 | } | |
1386 | else if (0 == strncasecmp ("$arg", action_exp, 4)) | |
1387 | { | |
1388 | add_local_symbols (collect, | |
3e05895e | 1389 | tloc->gdbarch, |
9355b391 | 1390 | tloc->address, |
c5aa993b JM |
1391 | frame_reg, |
1392 | frame_offset, | |
1393 | 'A'); | |
1394 | action_exp = strchr (action_exp, ','); /* more? */ | |
1395 | } | |
1396 | else if (0 == strncasecmp ("$loc", action_exp, 4)) | |
1397 | { | |
1398 | add_local_symbols (collect, | |
3e05895e | 1399 | tloc->gdbarch, |
9355b391 | 1400 | tloc->address, |
c5aa993b JM |
1401 | frame_reg, |
1402 | frame_offset, | |
1403 | 'L'); | |
1404 | action_exp = strchr (action_exp, ','); /* more? */ | |
1405 | } | |
6710bf39 SS |
1406 | else if (0 == strncasecmp ("$_ret", action_exp, 5)) |
1407 | { | |
1408 | struct cleanup *old_chain1 = NULL; | |
1409 | ||
1410 | aexpr = gen_trace_for_return_address (tloc->address, | |
3e05895e | 1411 | tloc->gdbarch); |
6710bf39 SS |
1412 | |
1413 | old_chain1 = make_cleanup_free_agent_expr (aexpr); | |
1414 | ||
1415 | ax_reqs (aexpr); | |
1416 | report_agent_reqs_errors (aexpr); | |
1417 | ||
1418 | discard_cleanups (old_chain1); | |
1419 | add_aexpr (collect, aexpr); | |
1420 | ||
1421 | /* take care of the registers */ | |
1422 | if (aexpr->reg_mask_len > 0) | |
1423 | { | |
1424 | int ndx1, ndx2; | |
1425 | ||
1426 | for (ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++) | |
1427 | { | |
1428 | QUIT; /* allow user to bail out with ^C */ | |
1429 | if (aexpr->reg_mask[ndx1] != 0) | |
1430 | { | |
1431 | /* assume chars have 8 bits */ | |
1432 | for (ndx2 = 0; ndx2 < 8; ndx2++) | |
1433 | if (aexpr->reg_mask[ndx1] & (1 << ndx2)) | |
1434 | /* it's used -- record it */ | |
1435 | add_register (collect, | |
1436 | ndx1 * 8 + ndx2); | |
1437 | } | |
1438 | } | |
1439 | } | |
1440 | ||
1441 | action_exp = strchr (action_exp, ','); /* more? */ | |
1442 | } | |
0fb4aa4b PA |
1443 | else if (0 == strncasecmp ("$_sdata", action_exp, 7)) |
1444 | { | |
1445 | add_static_trace_data (collect); | |
1446 | action_exp = strchr (action_exp, ','); /* more? */ | |
1447 | } | |
c5aa993b JM |
1448 | else |
1449 | { | |
1450 | unsigned long addr, len; | |
1451 | struct cleanup *old_chain = NULL; | |
1452 | struct cleanup *old_chain1 = NULL; | |
c5aa993b | 1453 | |
75ac9d7b | 1454 | exp = parse_exp_1 (&action_exp, |
9355b391 | 1455 | block_for_pc (tloc->address), 1); |
74b7792f | 1456 | old_chain = make_cleanup (free_current_contents, &exp); |
c906108c | 1457 | |
c5aa993b JM |
1458 | switch (exp->elts[0].opcode) |
1459 | { | |
1460 | case OP_REGISTER: | |
67f3407f DJ |
1461 | { |
1462 | const char *name = &exp->elts[2].string; | |
1463 | ||
3e05895e | 1464 | i = user_reg_map_name_to_regnum (tloc->gdbarch, |
029a67e4 | 1465 | name, strlen (name)); |
67f3407f DJ |
1466 | if (i == -1) |
1467 | internal_error (__FILE__, __LINE__, | |
1468 | _("Register $%s not available"), | |
1469 | name); | |
1470 | if (info_verbose) | |
1471 | printf_filtered ("OP_REGISTER: "); | |
1472 | add_register (collect, i); | |
1473 | break; | |
1474 | } | |
c5aa993b JM |
1475 | |
1476 | case UNOP_MEMVAL: | |
c378eb4e | 1477 | /* Safe because we know it's a simple expression. */ |
c5aa993b | 1478 | tempval = evaluate_expression (exp); |
42ae5230 | 1479 | addr = value_address (tempval); |
c5aa993b | 1480 | len = TYPE_LENGTH (check_typedef (exp->elts[1].type)); |
f50e79a4 | 1481 | add_memrange (collect, memrange_absolute, addr, len); |
c5aa993b JM |
1482 | break; |
1483 | ||
1484 | case OP_VAR_VALUE: | |
1485 | collect_symbol (collect, | |
1486 | exp->elts[2].symbol, | |
3e05895e | 1487 | tloc->gdbarch, |
c5aa993b | 1488 | frame_reg, |
0936ad1d | 1489 | frame_offset, |
9355b391 | 1490 | tloc->address); |
c5aa993b JM |
1491 | break; |
1492 | ||
c378eb4e | 1493 | default: /* Full-fledged expression. */ |
9355b391 | 1494 | aexpr = gen_trace_for_expr (tloc->address, exp); |
c5aa993b | 1495 | |
f23d52e0 | 1496 | old_chain1 = make_cleanup_free_agent_expr (aexpr); |
c5aa993b | 1497 | |
35c9c7ba | 1498 | ax_reqs (aexpr); |
c5aa993b | 1499 | |
35c9c7ba | 1500 | report_agent_reqs_errors (aexpr); |
c5aa993b JM |
1501 | |
1502 | discard_cleanups (old_chain1); | |
1503 | add_aexpr (collect, aexpr); | |
1504 | ||
c378eb4e | 1505 | /* Take care of the registers. */ |
35c9c7ba | 1506 | if (aexpr->reg_mask_len > 0) |
c906108c | 1507 | { |
c5aa993b JM |
1508 | int ndx1; |
1509 | int ndx2; | |
1510 | ||
35c9c7ba | 1511 | for (ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++) |
c906108c | 1512 | { |
c378eb4e | 1513 | QUIT; /* Allow user to bail out with ^C. */ |
35c9c7ba | 1514 | if (aexpr->reg_mask[ndx1] != 0) |
c5aa993b | 1515 | { |
c378eb4e | 1516 | /* Assume chars have 8 bits. */ |
c5aa993b | 1517 | for (ndx2 = 0; ndx2 < 8; ndx2++) |
35c9c7ba | 1518 | if (aexpr->reg_mask[ndx1] & (1 << ndx2)) |
c378eb4e | 1519 | /* It's used -- record it. */ |
d183932d MS |
1520 | add_register (collect, |
1521 | ndx1 * 8 + ndx2); | |
c5aa993b | 1522 | } |
c906108c SS |
1523 | } |
1524 | } | |
c5aa993b JM |
1525 | break; |
1526 | } /* switch */ | |
1527 | do_cleanups (old_chain); | |
1528 | } /* do */ | |
1529 | } | |
1530 | while (action_exp && *action_exp++ == ','); | |
1531 | } /* if */ | |
6da95a67 SS |
1532 | else if (cmd_cfunc_eq (cmd, teval_pseudocommand)) |
1533 | { | |
1534 | do | |
c378eb4e MS |
1535 | { /* Repeat over a comma-separated list. */ |
1536 | QUIT; /* Allow user to bail out with ^C. */ | |
6da95a67 SS |
1537 | while (isspace ((int) *action_exp)) |
1538 | action_exp++; | |
1539 | ||
1540 | { | |
6da95a67 SS |
1541 | struct cleanup *old_chain = NULL; |
1542 | struct cleanup *old_chain1 = NULL; | |
6da95a67 SS |
1543 | |
1544 | exp = parse_exp_1 (&action_exp, | |
9355b391 | 1545 | block_for_pc (tloc->address), 1); |
6da95a67 SS |
1546 | old_chain = make_cleanup (free_current_contents, &exp); |
1547 | ||
9355b391 | 1548 | aexpr = gen_eval_for_expr (tloc->address, exp); |
6da95a67 SS |
1549 | old_chain1 = make_cleanup_free_agent_expr (aexpr); |
1550 | ||
35c9c7ba SS |
1551 | ax_reqs (aexpr); |
1552 | report_agent_reqs_errors (aexpr); | |
6da95a67 SS |
1553 | |
1554 | discard_cleanups (old_chain1); | |
1555 | /* Even though we're not officially collecting, add | |
1556 | to the collect list anyway. */ | |
1557 | add_aexpr (collect, aexpr); | |
1558 | ||
1559 | do_cleanups (old_chain); | |
1560 | } /* do */ | |
1561 | } | |
1562 | while (action_exp && *action_exp++ == ','); | |
1563 | } /* if */ | |
bbaca940 | 1564 | else if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) |
c906108c | 1565 | { |
a7bdde9e VP |
1566 | /* We check against nested while-stepping when setting |
1567 | breakpoint action, so no way to run into nested | |
1568 | here. */ | |
1569 | gdb_assert (stepping_list); | |
1570 | ||
2a2287c7 MS |
1571 | encode_actions_1 (action->body_list[0], t, tloc, frame_reg, |
1572 | frame_offset, stepping_list, NULL); | |
c906108c | 1573 | } |
a7bdde9e VP |
1574 | else |
1575 | error (_("Invalid tracepoint command '%s'"), action->line); | |
1576 | } /* for */ | |
1577 | } | |
1578 | ||
1579 | /* Render all actions into gdb protocol. */ | |
1580 | /*static*/ void | |
1581 | encode_actions (struct breakpoint *t, struct bp_location *tloc, | |
1582 | char ***tdp_actions, char ***stepping_actions) | |
1583 | { | |
1584 | static char tdp_buff[2048], step_buff[2048]; | |
1585 | char *default_collect_line = NULL; | |
1586 | struct command_line *actions; | |
1587 | struct command_line *default_collect_action = NULL; | |
1588 | int frame_reg; | |
1589 | LONGEST frame_offset; | |
1590 | struct cleanup *back_to; | |
1591 | ||
1592 | back_to = make_cleanup (null_cleanup, NULL); | |
1593 | ||
1594 | clear_collection_list (&tracepoint_list); | |
1595 | clear_collection_list (&stepping_list); | |
1596 | ||
1597 | *tdp_actions = NULL; | |
1598 | *stepping_actions = NULL; | |
1599 | ||
3e05895e TT |
1600 | gdbarch_virtual_frame_pointer (tloc->gdbarch, |
1601 | tloc->address, &frame_reg, &frame_offset); | |
a7bdde9e | 1602 | |
5cea2a26 | 1603 | actions = breakpoint_commands (t); |
a7bdde9e VP |
1604 | |
1605 | /* If there are default expressions to collect, make up a collect | |
1606 | action and prepend to the action list to encode. Note that since | |
1607 | validation is per-tracepoint (local var "xyz" might be valid for | |
1608 | one tracepoint and not another, etc), we make up the action on | |
1609 | the fly, and don't cache it. */ | |
1610 | if (*default_collect) | |
1611 | { | |
1612 | char *line; | |
a7bdde9e VP |
1613 | |
1614 | default_collect_line = xstrprintf ("collect %s", default_collect); | |
1615 | make_cleanup (xfree, default_collect_line); | |
1616 | ||
1617 | line = default_collect_line; | |
fff87407 SS |
1618 | validate_actionline (&line, t); |
1619 | ||
1620 | default_collect_action = xmalloc (sizeof (struct command_line)); | |
1621 | make_cleanup (xfree, default_collect_action); | |
5cea2a26 | 1622 | default_collect_action->next = actions; |
fff87407 SS |
1623 | default_collect_action->line = line; |
1624 | actions = default_collect_action; | |
a7bdde9e VP |
1625 | } |
1626 | encode_actions_1 (actions, t, tloc, frame_reg, frame_offset, | |
1627 | &tracepoint_list, &stepping_list); | |
1628 | ||
c5aa993b JM |
1629 | memrange_sortmerge (&tracepoint_list); |
1630 | memrange_sortmerge (&stepping_list); | |
c906108c | 1631 | |
a7bdde9e | 1632 | *tdp_actions = stringify_collection_list (&tracepoint_list, |
d183932d | 1633 | tdp_buff); |
a7bdde9e | 1634 | *stepping_actions = stringify_collection_list (&stepping_list, |
d183932d | 1635 | step_buff); |
236f1d4d | 1636 | |
a7bdde9e | 1637 | do_cleanups (back_to); |
c906108c SS |
1638 | } |
1639 | ||
1640 | static void | |
fba45db2 | 1641 | add_aexpr (struct collection_list *collect, struct agent_expr *aexpr) |
c906108c SS |
1642 | { |
1643 | if (collect->next_aexpr_elt >= collect->aexpr_listsize) | |
1644 | { | |
1645 | collect->aexpr_list = | |
1646 | xrealloc (collect->aexpr_list, | |
5d502164 | 1647 | 2 * collect->aexpr_listsize * sizeof (struct agent_expr *)); |
c906108c SS |
1648 | collect->aexpr_listsize *= 2; |
1649 | } | |
1650 | collect->aexpr_list[collect->next_aexpr_elt] = aexpr; | |
1651 | collect->next_aexpr_elt++; | |
1652 | } | |
1653 | ||
bfccc43c YQ |
1654 | static void |
1655 | process_tracepoint_on_disconnect (void) | |
1656 | { | |
1657 | VEC(breakpoint_p) *tp_vec = NULL; | |
1658 | int ix; | |
1659 | struct breakpoint *b; | |
1660 | int has_pending_p = 0; | |
1661 | ||
1662 | /* Check whether we still have pending tracepoint. If we have, warn the | |
1663 | user that pending tracepoint will no longer work. */ | |
1664 | tp_vec = all_tracepoints (); | |
1665 | for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, b); ix++) | |
1666 | { | |
1667 | if (b->loc == NULL) | |
1668 | { | |
1669 | has_pending_p = 1; | |
1670 | break; | |
1671 | } | |
1672 | else | |
1673 | { | |
1674 | struct bp_location *loc1; | |
1675 | ||
1676 | for (loc1 = b->loc; loc1; loc1 = loc1->next) | |
1677 | { | |
1678 | if (loc1->shlib_disabled) | |
1679 | { | |
1680 | has_pending_p = 1; | |
1681 | break; | |
1682 | } | |
1683 | } | |
1684 | ||
1685 | if (has_pending_p) | |
1686 | break; | |
1687 | } | |
1688 | } | |
1689 | VEC_free (breakpoint_p, tp_vec); | |
1690 | ||
1691 | if (has_pending_p) | |
1692 | warning (_("Pending tracepoints will not be resolved while" | |
1693 | " GDB is disconnected\n")); | |
1694 | } | |
1695 | ||
c5aa993b | 1696 | |
f224b49d | 1697 | void |
f196051f | 1698 | start_tracing (char *notes) |
d183932d | 1699 | { |
1042e4c0 SS |
1700 | VEC(breakpoint_p) *tp_vec = NULL; |
1701 | int ix; | |
d9b3f62e | 1702 | struct breakpoint *b; |
f61e138d | 1703 | struct trace_state_variable *tsv; |
d914c394 | 1704 | int any_enabled = 0, num_to_download = 0; |
f196051f SS |
1705 | int ret; |
1706 | ||
35b1e5cc | 1707 | tp_vec = all_tracepoints (); |
76a2b958 | 1708 | |
c378eb4e | 1709 | /* No point in tracing without any tracepoints... */ |
76a2b958 SS |
1710 | if (VEC_length (breakpoint_p, tp_vec) == 0) |
1711 | { | |
1712 | VEC_free (breakpoint_p, tp_vec); | |
1713 | error (_("No tracepoints defined, not starting trace")); | |
1714 | } | |
1715 | ||
d9b3f62e | 1716 | for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, b); ix++) |
76a2b958 | 1717 | { |
d9b3f62e PA |
1718 | struct tracepoint *t = (struct tracepoint *) b; |
1719 | ||
1720 | if (b->enable_state == bp_enabled) | |
d914c394 SS |
1721 | any_enabled = 1; |
1722 | ||
d9b3f62e | 1723 | if ((b->type == bp_fast_tracepoint |
d914c394 SS |
1724 | ? may_insert_fast_tracepoints |
1725 | : may_insert_tracepoints)) | |
1726 | ++num_to_download; | |
1727 | else | |
1728 | warning (_("May not insert %stracepoints, skipping tracepoint %d"), | |
d9b3f62e | 1729 | (b->type == bp_fast_tracepoint ? "fast " : ""), b->number); |
76a2b958 SS |
1730 | } |
1731 | ||
76a2b958 SS |
1732 | if (!any_enabled) |
1733 | { | |
d248b706 KY |
1734 | if (target_supports_enable_disable_tracepoint ()) |
1735 | warning (_("No tracepoints enabled")); | |
1736 | else | |
1737 | { | |
1738 | /* No point in tracing with only disabled tracepoints that | |
1739 | cannot be re-enabled. */ | |
1740 | VEC_free (breakpoint_p, tp_vec); | |
1741 | error (_("No tracepoints enabled, not starting trace")); | |
1742 | } | |
76a2b958 SS |
1743 | } |
1744 | ||
d914c394 SS |
1745 | if (num_to_download <= 0) |
1746 | { | |
1747 | VEC_free (breakpoint_p, tp_vec); | |
1748 | error (_("No tracepoints that may be downloaded, not starting trace")); | |
1749 | } | |
1750 | ||
76a2b958 SS |
1751 | target_trace_init (); |
1752 | ||
d9b3f62e | 1753 | for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, b); ix++) |
7a697b8d | 1754 | { |
d9b3f62e | 1755 | struct tracepoint *t = (struct tracepoint *) b; |
e8ba3115 | 1756 | struct bp_location *loc; |
d9b3f62e | 1757 | |
4511b1ba YQ |
1758 | /* Clear `inserted' flag. */ |
1759 | for (loc = b->loc; loc; loc = loc->next) | |
1760 | loc->inserted = 0; | |
1761 | ||
d9b3f62e | 1762 | if ((b->type == bp_fast_tracepoint |
d914c394 SS |
1763 | ? !may_insert_fast_tracepoints |
1764 | : !may_insert_tracepoints)) | |
1765 | continue; | |
1766 | ||
35b1e5cc | 1767 | t->number_on_target = 0; |
e8ba3115 YQ |
1768 | |
1769 | for (loc = b->loc; loc; loc = loc->next) | |
1e4d1764 YQ |
1770 | { |
1771 | /* Since tracepoint locations are never duplicated, `inserted' | |
1772 | flag should be zero. */ | |
1773 | gdb_assert (!loc->inserted); | |
1774 | ||
1775 | target_download_tracepoint (loc); | |
1776 | ||
1777 | loc->inserted = 1; | |
1778 | } | |
e8ba3115 | 1779 | |
d9b3f62e | 1780 | t->number_on_target = b->number; |
7a697b8d | 1781 | } |
35b1e5cc | 1782 | VEC_free (breakpoint_p, tp_vec); |
76a2b958 | 1783 | |
00bf0b85 | 1784 | /* Send down all the trace state variables too. */ |
35b1e5cc | 1785 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) |
782b2b07 | 1786 | { |
00bf0b85 | 1787 | target_download_trace_state_variable (tsv); |
782b2b07 | 1788 | } |
35b1e5cc SS |
1789 | |
1790 | /* Tell target to treat text-like sections as transparent. */ | |
1791 | target_trace_set_readonly_regions (); | |
4daf5ac0 SS |
1792 | /* Set some mode flags. */ |
1793 | target_set_disconnected_tracing (disconnected_tracing); | |
1794 | target_set_circular_trace_buffer (circular_trace_buffer); | |
1042e4c0 | 1795 | |
f196051f SS |
1796 | if (!notes) |
1797 | notes = trace_notes; | |
1798 | ret = target_set_trace_notes (trace_user, notes, NULL); | |
1799 | ||
1800 | if (!ret && (trace_user || notes)) | |
1801 | warning ("Target does not support trace user/notes, info ignored"); | |
1802 | ||
35b1e5cc SS |
1803 | /* Now insert traps and begin collecting data. */ |
1804 | target_trace_start (); | |
1042e4c0 | 1805 | |
35b1e5cc SS |
1806 | /* Reset our local state. */ |
1807 | set_traceframe_num (-1); | |
1808 | set_tracepoint_num (-1); | |
1809 | set_traceframe_context (NULL); | |
00bf0b85 | 1810 | current_trace_status()->running = 1; |
b3b9301e | 1811 | clear_traceframe_info (); |
1042e4c0 SS |
1812 | } |
1813 | ||
f196051f SS |
1814 | /* The tstart command requests the target to start a new trace run. |
1815 | The command passes any arguments it has to the target verbatim, as | |
1816 | an optional "trace note". This is useful as for instance a warning | |
1817 | to other users if the trace runs disconnected, and you don't want | |
1818 | anybody else messing with the target. */ | |
f224b49d VP |
1819 | |
1820 | static void | |
1821 | trace_start_command (char *args, int from_tty) | |
1822 | { | |
1823 | dont_repeat (); /* Like "run", dangerous to repeat accidentally. */ | |
1824 | ||
615bcdef SS |
1825 | if (current_trace_status ()->running) |
1826 | { | |
1827 | if (from_tty | |
1828 | && !query (_("A trace is running already. Start a new run? "))) | |
1829 | error (_("New trace run not started.")); | |
1830 | } | |
1831 | ||
f196051f | 1832 | start_tracing (args); |
f224b49d VP |
1833 | } |
1834 | ||
f196051f SS |
1835 | /* The tstop command stops the tracing run. The command passes any |
1836 | supplied arguments to the target verbatim as a "stop note"; if the | |
1837 | target supports trace notes, then it will be reported back as part | |
1838 | of the trace run's status. */ | |
1839 | ||
c906108c | 1840 | static void |
fba45db2 | 1841 | trace_stop_command (char *args, int from_tty) |
d183932d | 1842 | { |
615bcdef SS |
1843 | if (!current_trace_status ()->running) |
1844 | error (_("Trace is not running.")); | |
1845 | ||
f196051f | 1846 | stop_tracing (args); |
c906108c SS |
1847 | } |
1848 | ||
d5551862 | 1849 | void |
f196051f | 1850 | stop_tracing (char *note) |
d5551862 | 1851 | { |
f196051f SS |
1852 | int ret; |
1853 | ||
35b1e5cc | 1854 | target_trace_stop (); |
f196051f SS |
1855 | |
1856 | if (!note) | |
1857 | note = trace_stop_notes; | |
1858 | ret = target_set_trace_notes (NULL, NULL, note); | |
1859 | ||
1860 | if (!ret && note) | |
1861 | warning ("Target does not support trace notes, note ignored"); | |
1862 | ||
c378eb4e | 1863 | /* Should change in response to reply? */ |
00bf0b85 | 1864 | current_trace_status ()->running = 0; |
d5551862 SS |
1865 | } |
1866 | ||
c906108c SS |
1867 | /* tstatus command */ |
1868 | static void | |
fba45db2 | 1869 | trace_status_command (char *args, int from_tty) |
d183932d | 1870 | { |
00bf0b85 | 1871 | struct trace_status *ts = current_trace_status (); |
f196051f SS |
1872 | int status, ix; |
1873 | VEC(breakpoint_p) *tp_vec = NULL; | |
1874 | struct breakpoint *t; | |
35b1e5cc | 1875 | |
00bf0b85 SS |
1876 | status = target_get_trace_status (ts); |
1877 | ||
1878 | if (status == -1) | |
1879 | { | |
1880 | if (ts->from_file) | |
1881 | printf_filtered (_("Using a trace file.\n")); | |
1882 | else | |
1883 | { | |
1884 | printf_filtered (_("Trace can not be run on this target.\n")); | |
1885 | return; | |
1886 | } | |
1887 | } | |
1888 | ||
1889 | if (!ts->running_known) | |
1890 | { | |
1891 | printf_filtered (_("Run/stop status is unknown.\n")); | |
1892 | } | |
1893 | else if (ts->running) | |
c906108c | 1894 | { |
35b1e5cc | 1895 | printf_filtered (_("Trace is running on the target.\n")); |
c906108c SS |
1896 | } |
1897 | else | |
00bf0b85 SS |
1898 | { |
1899 | switch (ts->stop_reason) | |
1900 | { | |
1901 | case trace_never_run: | |
1902 | printf_filtered (_("No trace has been run on the target.\n")); | |
1903 | break; | |
1904 | case tstop_command: | |
f196051f SS |
1905 | if (ts->stop_desc) |
1906 | printf_filtered (_("Trace stopped by a tstop command (%s).\n"), | |
1907 | ts->stop_desc); | |
1908 | else | |
1909 | printf_filtered (_("Trace stopped by a tstop command.\n")); | |
00bf0b85 SS |
1910 | break; |
1911 | case trace_buffer_full: | |
1912 | printf_filtered (_("Trace stopped because the buffer was full.\n")); | |
1913 | break; | |
1914 | case trace_disconnected: | |
1915 | printf_filtered (_("Trace stopped because of disconnection.\n")); | |
1916 | break; | |
1917 | case tracepoint_passcount: | |
00bf0b85 SS |
1918 | printf_filtered (_("Trace stopped by tracepoint %d.\n"), |
1919 | ts->stopping_tracepoint); | |
1920 | break; | |
6c28cbf2 SS |
1921 | case tracepoint_error: |
1922 | if (ts->stopping_tracepoint) | |
3e43a32a MS |
1923 | printf_filtered (_("Trace stopped by an " |
1924 | "error (%s, tracepoint %d).\n"), | |
f196051f | 1925 | ts->stop_desc, ts->stopping_tracepoint); |
6c28cbf2 SS |
1926 | else |
1927 | printf_filtered (_("Trace stopped by an error (%s).\n"), | |
f196051f | 1928 | ts->stop_desc); |
6c28cbf2 | 1929 | break; |
00bf0b85 SS |
1930 | case trace_stop_reason_unknown: |
1931 | printf_filtered (_("Trace stopped for an unknown reason.\n")); | |
1932 | break; | |
1933 | default: | |
1934 | printf_filtered (_("Trace stopped for some other reason (%d).\n"), | |
1935 | ts->stop_reason); | |
1936 | break; | |
1937 | } | |
1938 | } | |
1939 | ||
4daf5ac0 SS |
1940 | if (ts->traceframes_created >= 0 |
1941 | && ts->traceframe_count != ts->traceframes_created) | |
1942 | { | |
3e43a32a MS |
1943 | printf_filtered (_("Buffer contains %d trace " |
1944 | "frames (of %d created total).\n"), | |
4daf5ac0 SS |
1945 | ts->traceframe_count, ts->traceframes_created); |
1946 | } | |
1947 | else if (ts->traceframe_count >= 0) | |
00bf0b85 SS |
1948 | { |
1949 | printf_filtered (_("Collected %d trace frames.\n"), | |
1950 | ts->traceframe_count); | |
1951 | } | |
1952 | ||
4daf5ac0 | 1953 | if (ts->buffer_free >= 0) |
00bf0b85 | 1954 | { |
4daf5ac0 SS |
1955 | if (ts->buffer_size >= 0) |
1956 | { | |
1957 | printf_filtered (_("Trace buffer has %d bytes of %d bytes free"), | |
1958 | ts->buffer_free, ts->buffer_size); | |
1959 | if (ts->buffer_size > 0) | |
1960 | printf_filtered (_(" (%d%% full)"), | |
1961 | ((int) ((((long long) (ts->buffer_size | |
1962 | - ts->buffer_free)) * 100) | |
1963 | / ts->buffer_size))); | |
1964 | printf_filtered (_(".\n")); | |
1965 | } | |
1966 | else | |
1967 | printf_filtered (_("Trace buffer has %d bytes free.\n"), | |
1968 | ts->buffer_free); | |
00bf0b85 | 1969 | } |
35b1e5cc | 1970 | |
33da3f1c SS |
1971 | if (ts->disconnected_tracing) |
1972 | printf_filtered (_("Trace will continue if GDB disconnects.\n")); | |
1973 | else | |
1974 | printf_filtered (_("Trace will stop if GDB disconnects.\n")); | |
1975 | ||
1976 | if (ts->circular_buffer) | |
1977 | printf_filtered (_("Trace buffer is circular.\n")); | |
1978 | ||
f196051f SS |
1979 | if (ts->user_name && strlen (ts->user_name) > 0) |
1980 | printf_filtered (_("Trace user is %s.\n"), ts->user_name); | |
1981 | ||
1982 | if (ts->notes && strlen (ts->notes) > 0) | |
1983 | printf_filtered (_("Trace notes: %s.\n"), ts->notes); | |
1984 | ||
00bf0b85 | 1985 | /* Now report on what we're doing with tfind. */ |
35b1e5cc SS |
1986 | if (traceframe_number >= 0) |
1987 | printf_filtered (_("Looking at trace frame %d, tracepoint %d.\n"), | |
1988 | traceframe_number, tracepoint_number); | |
1989 | else | |
1990 | printf_filtered (_("Not looking at any trace frame.\n")); | |
f196051f SS |
1991 | |
1992 | /* Report start/stop times if supplied. */ | |
1993 | if (ts->start_time) | |
1994 | { | |
1995 | if (ts->stop_time) | |
1996 | { | |
1997 | LONGEST run_time = ts->stop_time - ts->start_time; | |
1998 | ||
1999 | /* Reporting a run time is more readable than two long numbers. */ | |
2000 | printf_filtered (_("Trace started at %ld.%06ld secs, stopped %ld.%06ld secs later.\n"), | |
7f767d10 SS |
2001 | (long int) ts->start_time / 1000000, |
2002 | (long int) ts->start_time % 1000000, | |
2003 | (long int) run_time / 1000000, | |
2004 | (long int) run_time % 1000000); | |
f196051f SS |
2005 | } |
2006 | else | |
2007 | printf_filtered (_("Trace started at %ld.%06ld secs.\n"), | |
7f767d10 SS |
2008 | (long int) ts->start_time / 1000000, |
2009 | (long int) ts->start_time % 1000000); | |
f196051f SS |
2010 | } |
2011 | else if (ts->stop_time) | |
2012 | printf_filtered (_("Trace stopped at %ld.%06ld secs.\n"), | |
7f767d10 SS |
2013 | (long int) ts->stop_time / 1000000, |
2014 | (long int) ts->stop_time % 1000000); | |
f196051f SS |
2015 | |
2016 | /* Now report any per-tracepoint status available. */ | |
2017 | tp_vec = all_tracepoints (); | |
2018 | ||
2019 | for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, t); ix++) | |
2020 | target_get_tracepoint_status (t, NULL); | |
2021 | ||
2022 | VEC_free (breakpoint_p, tp_vec); | |
c906108c SS |
2023 | } |
2024 | ||
f224b49d VP |
2025 | /* Report the trace status to uiout, in a way suitable for MI, and not |
2026 | suitable for CLI. If ON_STOP is true, suppress a few fields that | |
2027 | are not meaningful in the -trace-stop response. | |
2028 | ||
2029 | The implementation is essentially parallel to trace_status_command, but | |
2030 | merging them will result in unreadable code. */ | |
2031 | void | |
2032 | trace_status_mi (int on_stop) | |
2033 | { | |
79a45e25 | 2034 | struct ui_out *uiout = current_uiout; |
f224b49d VP |
2035 | struct trace_status *ts = current_trace_status (); |
2036 | int status; | |
f224b49d VP |
2037 | |
2038 | status = target_get_trace_status (ts); | |
2039 | ||
2040 | if (status == -1 && !ts->from_file) | |
2041 | { | |
2042 | ui_out_field_string (uiout, "supported", "0"); | |
2043 | return; | |
2044 | } | |
2045 | ||
2046 | if (ts->from_file) | |
2047 | ui_out_field_string (uiout, "supported", "file"); | |
2048 | else if (!on_stop) | |
2049 | ui_out_field_string (uiout, "supported", "1"); | |
2050 | ||
2051 | gdb_assert (ts->running_known); | |
2052 | ||
2053 | if (ts->running) | |
2054 | { | |
2055 | ui_out_field_string (uiout, "running", "1"); | |
2056 | ||
2057 | /* Unlike CLI, do not show the state of 'disconnected-tracing' variable. | |
2058 | Given that the frontend gets the status either on -trace-stop, or from | |
2059 | -trace-status after re-connection, it does not seem like this | |
2060 | information is necessary for anything. It is not necessary for either | |
2061 | figuring the vital state of the target nor for navigation of trace | |
2062 | frames. If the frontend wants to show the current state is some | |
2063 | configure dialog, it can request the value when such dialog is | |
2064 | invoked by the user. */ | |
2065 | } | |
2066 | else | |
2067 | { | |
2068 | char *stop_reason = NULL; | |
2069 | int stopping_tracepoint = -1; | |
2070 | ||
2071 | if (!on_stop) | |
2072 | ui_out_field_string (uiout, "running", "0"); | |
2073 | ||
2074 | if (ts->stop_reason != trace_stop_reason_unknown) | |
2075 | { | |
2076 | switch (ts->stop_reason) | |
2077 | { | |
2078 | case tstop_command: | |
2079 | stop_reason = "request"; | |
2080 | break; | |
2081 | case trace_buffer_full: | |
2082 | stop_reason = "overflow"; | |
2083 | break; | |
2084 | case trace_disconnected: | |
2085 | stop_reason = "disconnection"; | |
2086 | break; | |
2087 | case tracepoint_passcount: | |
2088 | stop_reason = "passcount"; | |
2089 | stopping_tracepoint = ts->stopping_tracepoint; | |
2090 | break; | |
6c28cbf2 SS |
2091 | case tracepoint_error: |
2092 | stop_reason = "error"; | |
2093 | stopping_tracepoint = ts->stopping_tracepoint; | |
2094 | break; | |
f224b49d VP |
2095 | } |
2096 | ||
2097 | if (stop_reason) | |
2098 | { | |
2099 | ui_out_field_string (uiout, "stop-reason", stop_reason); | |
2100 | if (stopping_tracepoint != -1) | |
2101 | ui_out_field_int (uiout, "stopping-tracepoint", | |
2102 | stopping_tracepoint); | |
6c28cbf2 SS |
2103 | if (ts->stop_reason == tracepoint_error) |
2104 | ui_out_field_string (uiout, "error-description", | |
f196051f | 2105 | ts->stop_desc); |
f224b49d VP |
2106 | } |
2107 | } | |
2108 | } | |
2109 | ||
a97153c7 | 2110 | if (ts->traceframe_count != -1) |
f224b49d | 2111 | ui_out_field_int (uiout, "frames", ts->traceframe_count); |
87290684 SS |
2112 | if (ts->traceframes_created != -1) |
2113 | ui_out_field_int (uiout, "frames-created", ts->traceframes_created); | |
a97153c7 PA |
2114 | if (ts->buffer_size != -1) |
2115 | ui_out_field_int (uiout, "buffer-size", ts->buffer_size); | |
2116 | if (ts->buffer_free != -1) | |
2117 | ui_out_field_int (uiout, "buffer-free", ts->buffer_free); | |
2118 | ||
2119 | ui_out_field_int (uiout, "disconnected", ts->disconnected_tracing); | |
2120 | ui_out_field_int (uiout, "circular", ts->circular_buffer); | |
f196051f SS |
2121 | |
2122 | ui_out_field_string (uiout, "user-name", ts->user_name); | |
2123 | ui_out_field_string (uiout, "notes", ts->notes); | |
2124 | ||
2125 | { | |
2126 | char buf[100]; | |
2127 | ||
2128 | xsnprintf (buf, sizeof buf, "%ld.%06ld", | |
7f767d10 SS |
2129 | (long int) ts->start_time / 1000000, |
2130 | (long int) ts->start_time % 1000000); | |
f196051f SS |
2131 | ui_out_field_string (uiout, "start-time", buf); |
2132 | xsnprintf (buf, sizeof buf, "%ld.%06ld", | |
7f767d10 SS |
2133 | (long int) ts->stop_time / 1000000, |
2134 | (long int) ts->stop_time % 1000000); | |
f196051f SS |
2135 | ui_out_field_string (uiout, "stop-time", buf); |
2136 | } | |
f224b49d VP |
2137 | } |
2138 | ||
33da3f1c SS |
2139 | /* This function handles the details of what to do about an ongoing |
2140 | tracing run if the user has asked to detach or otherwise disconnect | |
2141 | from the target. */ | |
d5551862 | 2142 | void |
33da3f1c | 2143 | disconnect_tracing (int from_tty) |
d5551862 | 2144 | { |
00bf0b85 SS |
2145 | /* It can happen that the target that was tracing went away on its |
2146 | own, and we didn't notice. Get a status update, and if the | |
2147 | current target doesn't even do tracing, then assume it's not | |
2148 | running anymore. */ | |
26afc0d7 | 2149 | if (target_get_trace_status (current_trace_status ()) < 0) |
00bf0b85 SS |
2150 | current_trace_status ()->running = 0; |
2151 | ||
33da3f1c SS |
2152 | /* If running interactively, give the user the option to cancel and |
2153 | then decide what to do differently with the run. Scripts are | |
2154 | just going to disconnect and let the target deal with it, | |
2155 | according to how it's been instructed previously via | |
2156 | disconnected-tracing. */ | |
00bf0b85 | 2157 | if (current_trace_status ()->running && from_tty) |
d5551862 | 2158 | { |
bfccc43c YQ |
2159 | process_tracepoint_on_disconnect (); |
2160 | ||
33da3f1c SS |
2161 | if (current_trace_status ()->disconnected_tracing) |
2162 | { | |
3e43a32a MS |
2163 | if (!query (_("Trace is running and will " |
2164 | "continue after detach; detach anyway? "))) | |
33da3f1c SS |
2165 | error (_("Not confirmed.")); |
2166 | } | |
2167 | else | |
2168 | { | |
3e43a32a MS |
2169 | if (!query (_("Trace is running but will " |
2170 | "stop on detach; detach anyway? "))) | |
33da3f1c SS |
2171 | error (_("Not confirmed.")); |
2172 | } | |
d5551862 | 2173 | } |
8b9b7ef8 SS |
2174 | |
2175 | /* Also we want to be out of tfind mode, otherwise things can get | |
2176 | confusing upon reconnection. Just use these calls instead of | |
2177 | full tfind_1 behavior because we're in the middle of detaching, | |
2178 | and there's no point to updating current stack frame etc. */ | |
e6e4e701 | 2179 | set_current_traceframe (-1); |
8b9b7ef8 | 2180 | set_traceframe_context (NULL); |
d5551862 SS |
2181 | } |
2182 | ||
d183932d | 2183 | /* Worker function for the various flavors of the tfind command. */ |
f197e0f1 VP |
2184 | void |
2185 | tfind_1 (enum trace_find_type type, int num, | |
2186 | ULONGEST addr1, ULONGEST addr2, | |
2187 | int from_tty) | |
c906108c SS |
2188 | { |
2189 | int target_frameno = -1, target_tracept = -1; | |
2ce6d6bf | 2190 | struct frame_id old_frame_id = null_frame_id; |
d9b3f62e | 2191 | struct tracepoint *tp; |
79a45e25 | 2192 | struct ui_out *uiout = current_uiout; |
c906108c | 2193 | |
2ce6d6bf SS |
2194 | /* Only try to get the current stack frame if we have a chance of |
2195 | succeeding. In particular, if we're trying to get a first trace | |
2196 | frame while all threads are running, it's not going to succeed, | |
2197 | so leave it with a default value and let the frame comparison | |
2198 | below (correctly) decide to print out the source location of the | |
2199 | trace frame. */ | |
2200 | if (!(type == tfind_number && num == -1) | |
2201 | && (has_stack_frames () || traceframe_number >= 0)) | |
2202 | old_frame_id = get_frame_id (get_current_frame ()); | |
c906108c | 2203 | |
35b1e5cc SS |
2204 | target_frameno = target_trace_find (type, num, addr1, addr2, |
2205 | &target_tracept); | |
2206 | ||
2207 | if (type == tfind_number | |
2208 | && num == -1 | |
2209 | && target_frameno == -1) | |
2210 | { | |
2211 | /* We told the target to get out of tfind mode, and it did. */ | |
2212 | } | |
2213 | else if (target_frameno == -1) | |
2214 | { | |
2ce6d6bf | 2215 | /* A request for a non-existent trace frame has failed. |
35b1e5cc SS |
2216 | Our response will be different, depending on FROM_TTY: |
2217 | ||
2218 | If FROM_TTY is true, meaning that this command was | |
2219 | typed interactively by the user, then give an error | |
2220 | and DO NOT change the state of traceframe_number etc. | |
2221 | ||
2222 | However if FROM_TTY is false, meaning that we're either | |
2223 | in a script, a loop, or a user-defined command, then | |
2224 | DON'T give an error, but DO change the state of | |
2225 | traceframe_number etc. to invalid. | |
2226 | ||
2227 | The rationalle is that if you typed the command, you | |
2228 | might just have committed a typo or something, and you'd | |
2229 | like to NOT lose your current debugging state. However | |
2230 | if you're in a user-defined command or especially in a | |
2231 | loop, then you need a way to detect that the command | |
2232 | failed WITHOUT aborting. This allows you to write | |
2233 | scripts that search thru the trace buffer until the end, | |
2234 | and then continue on to do something else. */ | |
2235 | ||
2236 | if (from_tty) | |
2237 | error (_("Target failed to find requested trace frame.")); | |
2238 | else | |
2239 | { | |
2240 | if (info_verbose) | |
2241 | printf_filtered ("End of trace buffer.\n"); | |
c378eb4e | 2242 | #if 0 /* dubious now? */ |
35b1e5cc SS |
2243 | /* The following will not recurse, since it's |
2244 | special-cased. */ | |
2245 | trace_find_command ("-1", from_tty); | |
2246 | #endif | |
2247 | } | |
2248 | } | |
2249 | ||
d5551862 SS |
2250 | tp = get_tracepoint_by_number_on_target (target_tracept); |
2251 | ||
35f196d9 | 2252 | reinit_frame_cache (); |
c906108c | 2253 | registers_changed (); |
2f4d8875 | 2254 | target_dcache_invalidate (); |
c906108c | 2255 | set_traceframe_num (target_frameno); |
b3b9301e | 2256 | clear_traceframe_info (); |
d9b3f62e | 2257 | set_tracepoint_num (tp ? tp->base.number : target_tracept); |
c906108c | 2258 | if (target_frameno == -1) |
fb14de7b | 2259 | set_traceframe_context (NULL); |
c906108c | 2260 | else |
fb14de7b | 2261 | set_traceframe_context (get_current_frame ()); |
c906108c | 2262 | |
f197e0f1 VP |
2263 | if (traceframe_number >= 0) |
2264 | { | |
2265 | /* Use different branches for MI and CLI to make CLI messages | |
2266 | i18n-eable. */ | |
2267 | if (ui_out_is_mi_like_p (uiout)) | |
2268 | { | |
2269 | ui_out_field_string (uiout, "found", "1"); | |
2270 | ui_out_field_int (uiout, "tracepoint", tracepoint_number); | |
2271 | ui_out_field_int (uiout, "traceframe", traceframe_number); | |
2272 | } | |
2273 | else | |
2274 | { | |
2275 | printf_unfiltered (_("Found trace frame %d, tracepoint %d\n"), | |
2276 | traceframe_number, tracepoint_number); | |
2277 | } | |
2278 | } | |
2279 | else | |
2280 | { | |
2281 | if (ui_out_is_mi_like_p (uiout)) | |
2282 | ui_out_field_string (uiout, "found", "0"); | |
4136fdd2 SS |
2283 | else if (type == tfind_number && num == -1) |
2284 | printf_unfiltered (_("No longer looking at any trace frame\n")); | |
c378eb4e | 2285 | else /* This case may never occur, check. */ |
4136fdd2 | 2286 | printf_unfiltered (_("No trace frame found\n")); |
f197e0f1 VP |
2287 | } |
2288 | ||
00bf0b85 SS |
2289 | /* If we're in nonstop mode and getting out of looking at trace |
2290 | frames, there won't be any current frame to go back to and | |
2291 | display. */ | |
2292 | if (from_tty | |
2293 | && (has_stack_frames () || traceframe_number >= 0)) | |
c906108c | 2294 | { |
0faf0076 | 2295 | enum print_what print_what; |
c906108c | 2296 | |
2ce6d6bf | 2297 | /* NOTE: in imitation of the step command, try to determine |
d183932d MS |
2298 | whether we have made a transition from one function to |
2299 | another. If so, we'll print the "stack frame" (ie. the new | |
2300 | function and it's arguments) -- otherwise we'll just show the | |
fb14de7b UW |
2301 | new source line. */ |
2302 | ||
2303 | if (frame_id_eq (old_frame_id, | |
2304 | get_frame_id (get_current_frame ()))) | |
0faf0076 | 2305 | print_what = SRC_LINE; |
c906108c | 2306 | else |
0faf0076 | 2307 | print_what = SRC_AND_LOC; |
c906108c | 2308 | |
b04f3ab4 | 2309 | print_stack_frame (get_selected_frame (NULL), 1, print_what); |
c906108c SS |
2310 | do_displays (); |
2311 | } | |
2312 | } | |
2313 | ||
2314 | /* trace_find_command takes a trace frame number n, | |
2315 | sends "QTFrame:<n>" to the target, | |
2316 | and accepts a reply that may contain several optional pieces | |
2317 | of information: a frame number, a tracepoint number, and an | |
2318 | indication of whether this is a trap frame or a stepping frame. | |
2319 | ||
2320 | The minimal response is just "OK" (which indicates that the | |
2321 | target does not give us a frame number or a tracepoint number). | |
2322 | Instead of that, the target may send us a string containing | |
2323 | any combination of: | |
c5aa993b JM |
2324 | F<hexnum> (gives the selected frame number) |
2325 | T<hexnum> (gives the selected tracepoint number) | |
2326 | */ | |
c906108c SS |
2327 | |
2328 | /* tfind command */ | |
2329 | static void | |
fba45db2 | 2330 | trace_find_command (char *args, int from_tty) |
c378eb4e | 2331 | { /* This should only be called with a numeric argument. */ |
c906108c | 2332 | int frameno = -1; |
c906108c | 2333 | |
00bf0b85 | 2334 | if (current_trace_status ()->running && !current_trace_status ()->from_file) |
a73c6dcd | 2335 | error (_("May not look at trace frames while trace is running.")); |
35b1e5cc SS |
2336 | |
2337 | if (args == 0 || *args == 0) | |
2338 | { /* TFIND with no args means find NEXT trace frame. */ | |
2339 | if (traceframe_number == -1) | |
c378eb4e | 2340 | frameno = 0; /* "next" is first one. */ |
35b1e5cc SS |
2341 | else |
2342 | frameno = traceframe_number + 1; | |
2343 | } | |
2344 | else if (0 == strcmp (args, "-")) | |
c906108c | 2345 | { |
35b1e5cc SS |
2346 | if (traceframe_number == -1) |
2347 | error (_("not debugging trace buffer")); | |
2348 | else if (from_tty && traceframe_number == 0) | |
2349 | error (_("already at start of trace buffer")); | |
2350 | ||
2351 | frameno = traceframe_number - 1; | |
2352 | } | |
2353 | /* A hack to work around eval's need for fp to have been collected. */ | |
2354 | else if (0 == strcmp (args, "-1")) | |
2355 | frameno = -1; | |
2356 | else | |
2357 | frameno = parse_and_eval_long (args); | |
c906108c | 2358 | |
35b1e5cc SS |
2359 | if (frameno < -1) |
2360 | error (_("invalid input (%d is less than zero)"), frameno); | |
c906108c | 2361 | |
f197e0f1 | 2362 | tfind_1 (tfind_number, frameno, 0, 0, from_tty); |
c906108c SS |
2363 | } |
2364 | ||
2365 | /* tfind end */ | |
2366 | static void | |
fba45db2 | 2367 | trace_find_end_command (char *args, int from_tty) |
c906108c SS |
2368 | { |
2369 | trace_find_command ("-1", from_tty); | |
2370 | } | |
2371 | ||
2372 | /* tfind none */ | |
2373 | static void | |
fba45db2 | 2374 | trace_find_none_command (char *args, int from_tty) |
c906108c SS |
2375 | { |
2376 | trace_find_command ("-1", from_tty); | |
2377 | } | |
2378 | ||
2379 | /* tfind start */ | |
2380 | static void | |
fba45db2 | 2381 | trace_find_start_command (char *args, int from_tty) |
c906108c SS |
2382 | { |
2383 | trace_find_command ("0", from_tty); | |
2384 | } | |
2385 | ||
2386 | /* tfind pc command */ | |
2387 | static void | |
fba45db2 | 2388 | trace_find_pc_command (char *args, int from_tty) |
d183932d | 2389 | { |
c906108c | 2390 | CORE_ADDR pc; |
c906108c | 2391 | |
00bf0b85 | 2392 | if (current_trace_status ()->running && !current_trace_status ()->from_file) |
a73c6dcd | 2393 | error (_("May not look at trace frames while trace is running.")); |
c906108c | 2394 | |
35b1e5cc SS |
2395 | if (args == 0 || *args == 0) |
2396 | pc = regcache_read_pc (get_current_regcache ()); | |
c906108c | 2397 | else |
35b1e5cc SS |
2398 | pc = parse_and_eval_address (args); |
2399 | ||
f197e0f1 | 2400 | tfind_1 (tfind_pc, 0, pc, 0, from_tty); |
c906108c SS |
2401 | } |
2402 | ||
2403 | /* tfind tracepoint command */ | |
2404 | static void | |
fba45db2 | 2405 | trace_find_tracepoint_command (char *args, int from_tty) |
d183932d | 2406 | { |
c906108c | 2407 | int tdp; |
d9b3f62e | 2408 | struct tracepoint *tp; |
c906108c | 2409 | |
00bf0b85 | 2410 | if (current_trace_status ()->running && !current_trace_status ()->from_file) |
a73c6dcd | 2411 | error (_("May not look at trace frames while trace is running.")); |
383e5f85 | 2412 | |
35b1e5cc SS |
2413 | if (args == 0 || *args == 0) |
2414 | { | |
2415 | if (tracepoint_number == -1) | |
2416 | error (_("No current tracepoint -- please supply an argument.")); | |
c906108c | 2417 | else |
c378eb4e | 2418 | tdp = tracepoint_number; /* Default is current TDP. */ |
c906108c SS |
2419 | } |
2420 | else | |
35b1e5cc SS |
2421 | tdp = parse_and_eval_long (args); |
2422 | ||
2423 | /* If we have the tracepoint on hand, use the number that the | |
2424 | target knows about (which may be different if we disconnected | |
2425 | and reconnected). */ | |
2426 | tp = get_tracepoint (tdp); | |
2427 | if (tp) | |
2428 | tdp = tp->number_on_target; | |
2429 | ||
f197e0f1 | 2430 | tfind_1 (tfind_tp, tdp, 0, 0, from_tty); |
c906108c SS |
2431 | } |
2432 | ||
2433 | /* TFIND LINE command: | |
c5aa993b | 2434 | |
c906108c | 2435 | This command will take a sourceline for argument, just like BREAK |
d183932d | 2436 | or TRACE (ie. anything that "decode_line_1" can handle). |
c5aa993b | 2437 | |
c906108c SS |
2438 | With no argument, this command will find the next trace frame |
2439 | corresponding to a source line OTHER THAN THE CURRENT ONE. */ | |
2440 | ||
2441 | static void | |
fba45db2 | 2442 | trace_find_line_command (char *args, int from_tty) |
d183932d | 2443 | { |
c906108c SS |
2444 | static CORE_ADDR start_pc, end_pc; |
2445 | struct symtabs_and_lines sals; | |
2446 | struct symtab_and_line sal; | |
c906108c SS |
2447 | struct cleanup *old_chain; |
2448 | ||
00bf0b85 | 2449 | if (current_trace_status ()->running && !current_trace_status ()->from_file) |
a73c6dcd | 2450 | error (_("May not look at trace frames while trace is running.")); |
5af949e3 | 2451 | |
35b1e5cc SS |
2452 | if (args == 0 || *args == 0) |
2453 | { | |
2454 | sal = find_pc_line (get_frame_pc (get_current_frame ()), 0); | |
2455 | sals.nelts = 1; | |
2456 | sals.sals = (struct symtab_and_line *) | |
2457 | xmalloc (sizeof (struct symtab_and_line)); | |
2458 | sals.sals[0] = sal; | |
2459 | } | |
2460 | else | |
42e08e69 | 2461 | { |
f8eba3c6 | 2462 | sals = decode_line_spec (args, DECODE_LINE_FUNFIRSTLINE); |
35b1e5cc SS |
2463 | sal = sals.sals[0]; |
2464 | } | |
2465 | ||
2466 | old_chain = make_cleanup (xfree, sals.sals); | |
2467 | if (sal.symtab == 0) | |
42e08e69 SS |
2468 | error (_("No line number information available.")); |
2469 | ||
2470 | if (sal.line > 0 && find_line_pc_range (sal, &start_pc, &end_pc)) | |
35b1e5cc SS |
2471 | { |
2472 | if (start_pc == end_pc) | |
2473 | { | |
2474 | printf_filtered ("Line %d of \"%s\"", | |
2475 | sal.line, sal.symtab->filename); | |
2476 | wrap_here (" "); | |
2477 | printf_filtered (" is at address "); | |
2478 | print_address (get_current_arch (), start_pc, gdb_stdout); | |
2479 | wrap_here (" "); | |
2480 | printf_filtered (" but contains no code.\n"); | |
2481 | sal = find_pc_line (start_pc, 0); | |
2482 | if (sal.line > 0 | |
2483 | && find_line_pc_range (sal, &start_pc, &end_pc) | |
2484 | && start_pc != end_pc) | |
2485 | printf_filtered ("Attempting to find line %d instead.\n", | |
2486 | sal.line); | |
2487 | else | |
2488 | error (_("Cannot find a good line.")); | |
2489 | } | |
2490 | } | |
2491 | else | |
2492 | /* Is there any case in which we get here, and have an address | |
2493 | which the user would want to see? If we have debugging | |
2494 | symbols and no line numbers? */ | |
2495 | error (_("Line number %d is out of range for \"%s\"."), | |
2496 | sal.line, sal.symtab->filename); | |
2497 | ||
2498 | /* Find within range of stated line. */ | |
2499 | if (args && *args) | |
f197e0f1 | 2500 | tfind_1 (tfind_range, 0, start_pc, end_pc - 1, from_tty); |
c906108c | 2501 | else |
f197e0f1 | 2502 | tfind_1 (tfind_outside, 0, start_pc, end_pc - 1, from_tty); |
35b1e5cc | 2503 | do_cleanups (old_chain); |
c906108c SS |
2504 | } |
2505 | ||
2506 | /* tfind range command */ | |
2507 | static void | |
fba45db2 | 2508 | trace_find_range_command (char *args, int from_tty) |
104c1213 | 2509 | { |
c906108c SS |
2510 | static CORE_ADDR start, stop; |
2511 | char *tmp; | |
2512 | ||
00bf0b85 | 2513 | if (current_trace_status ()->running && !current_trace_status ()->from_file) |
a73c6dcd | 2514 | error (_("May not look at trace frames while trace is running.")); |
c906108c | 2515 | |
35b1e5cc SS |
2516 | if (args == 0 || *args == 0) |
2517 | { /* XXX FIXME: what should default behavior be? */ | |
2518 | printf_filtered ("Usage: tfind range <startaddr>,<endaddr>\n"); | |
2519 | return; | |
2520 | } | |
c906108c | 2521 | |
35b1e5cc SS |
2522 | if (0 != (tmp = strchr (args, ','))) |
2523 | { | |
c378eb4e | 2524 | *tmp++ = '\0'; /* Terminate start address. */ |
35b1e5cc SS |
2525 | while (isspace ((int) *tmp)) |
2526 | tmp++; | |
2527 | start = parse_and_eval_address (args); | |
2528 | stop = parse_and_eval_address (tmp); | |
c906108c SS |
2529 | } |
2530 | else | |
c378eb4e | 2531 | { /* No explicit end address? */ |
35b1e5cc SS |
2532 | start = parse_and_eval_address (args); |
2533 | stop = start + 1; /* ??? */ | |
2534 | } | |
2535 | ||
f197e0f1 | 2536 | tfind_1 (tfind_range, 0, start, stop, from_tty); |
c906108c SS |
2537 | } |
2538 | ||
2539 | /* tfind outside command */ | |
2540 | static void | |
fba45db2 | 2541 | trace_find_outside_command (char *args, int from_tty) |
104c1213 | 2542 | { |
c906108c SS |
2543 | CORE_ADDR start, stop; |
2544 | char *tmp; | |
2545 | ||
00bf0b85 | 2546 | if (current_trace_status ()->running && !current_trace_status ()->from_file) |
a73c6dcd | 2547 | error (_("May not look at trace frames while trace is running.")); |
c906108c | 2548 | |
35b1e5cc | 2549 | if (args == 0 || *args == 0) |
c378eb4e | 2550 | { /* XXX FIXME: what should default behavior be? */ |
35b1e5cc SS |
2551 | printf_filtered ("Usage: tfind outside <startaddr>,<endaddr>\n"); |
2552 | return; | |
2553 | } | |
c906108c | 2554 | |
35b1e5cc SS |
2555 | if (0 != (tmp = strchr (args, ','))) |
2556 | { | |
c378eb4e | 2557 | *tmp++ = '\0'; /* Terminate start address. */ |
35b1e5cc SS |
2558 | while (isspace ((int) *tmp)) |
2559 | tmp++; | |
2560 | start = parse_and_eval_address (args); | |
2561 | stop = parse_and_eval_address (tmp); | |
c906108c SS |
2562 | } |
2563 | else | |
c378eb4e | 2564 | { /* No explicit end address? */ |
35b1e5cc SS |
2565 | start = parse_and_eval_address (args); |
2566 | stop = start + 1; /* ??? */ | |
2567 | } | |
2568 | ||
f197e0f1 | 2569 | tfind_1 (tfind_outside, 0, start, stop, from_tty); |
c906108c SS |
2570 | } |
2571 | ||
c906108c SS |
2572 | /* info scope command: list the locals for a scope. */ |
2573 | static void | |
fba45db2 | 2574 | scope_info (char *args, int from_tty) |
c906108c | 2575 | { |
c906108c SS |
2576 | struct symtabs_and_lines sals; |
2577 | struct symbol *sym; | |
2578 | struct minimal_symbol *msym; | |
2579 | struct block *block; | |
21cbba77 | 2580 | char *symname, *save_args = args; |
de4f826b DC |
2581 | struct dict_iterator iter; |
2582 | int j, count = 0; | |
768a979c UW |
2583 | struct gdbarch *gdbarch; |
2584 | int regno; | |
c906108c SS |
2585 | |
2586 | if (args == 0 || *args == 0) | |
3e43a32a MS |
2587 | error (_("requires an argument (function, " |
2588 | "line or *addr) to define a scope")); | |
c906108c | 2589 | |
f8eba3c6 | 2590 | sals = decode_line_1 (&args, DECODE_LINE_FUNFIRSTLINE, NULL, 0); |
c906108c | 2591 | if (sals.nelts == 0) |
c378eb4e | 2592 | return; /* Presumably decode_line_1 has already warned. */ |
c906108c | 2593 | |
c378eb4e | 2594 | /* Resolve line numbers to PC. */ |
c906108c SS |
2595 | resolve_sal_pc (&sals.sals[0]); |
2596 | block = block_for_pc (sals.sals[0].pc); | |
2597 | ||
2598 | while (block != 0) | |
2599 | { | |
c378eb4e | 2600 | QUIT; /* Allow user to bail out with ^C. */ |
de4f826b | 2601 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
c906108c | 2602 | { |
c378eb4e | 2603 | QUIT; /* Allow user to bail out with ^C. */ |
c906108c SS |
2604 | if (count == 0) |
2605 | printf_filtered ("Scope for %s:\n", save_args); | |
2606 | count++; | |
e88c90f2 | 2607 | |
3567439c | 2608 | symname = SYMBOL_PRINT_NAME (sym); |
c906108c | 2609 | if (symname == NULL || *symname == '\0') |
c378eb4e | 2610 | continue; /* Probably botched, certainly useless. */ |
c906108c | 2611 | |
768a979c UW |
2612 | gdbarch = get_objfile_arch (SYMBOL_SYMTAB (sym)->objfile); |
2613 | ||
c906108c | 2614 | printf_filtered ("Symbol %s is ", symname); |
c5aa993b JM |
2615 | switch (SYMBOL_CLASS (sym)) |
2616 | { | |
2617 | default: | |
c378eb4e | 2618 | case LOC_UNDEF: /* Messed up symbol? */ |
c5aa993b JM |
2619 | printf_filtered ("a bogus symbol, class %d.\n", |
2620 | SYMBOL_CLASS (sym)); | |
c378eb4e | 2621 | count--; /* Don't count this one. */ |
c5aa993b JM |
2622 | continue; |
2623 | case LOC_CONST: | |
104c1213 | 2624 | printf_filtered ("a constant with value %ld (0x%lx)", |
c5aa993b JM |
2625 | SYMBOL_VALUE (sym), SYMBOL_VALUE (sym)); |
2626 | break; | |
2627 | case LOC_CONST_BYTES: | |
2628 | printf_filtered ("constant bytes: "); | |
2629 | if (SYMBOL_TYPE (sym)) | |
2630 | for (j = 0; j < TYPE_LENGTH (SYMBOL_TYPE (sym)); j++) | |
2631 | fprintf_filtered (gdb_stdout, " %02x", | |
2632 | (unsigned) SYMBOL_VALUE_BYTES (sym)[j]); | |
2633 | break; | |
2634 | case LOC_STATIC: | |
2635 | printf_filtered ("in static storage at address "); | |
5af949e3 UW |
2636 | printf_filtered ("%s", paddress (gdbarch, |
2637 | SYMBOL_VALUE_ADDRESS (sym))); | |
c5aa993b JM |
2638 | break; |
2639 | case LOC_REGISTER: | |
768a979c UW |
2640 | /* GDBARCH is the architecture associated with the objfile |
2641 | the symbol is defined in; the target architecture may be | |
2642 | different, and may provide additional registers. However, | |
2643 | we do not know the target architecture at this point. | |
2644 | We assume the objfile architecture will contain all the | |
2645 | standard registers that occur in debug info in that | |
2646 | objfile. */ | |
3e43a32a MS |
2647 | regno = SYMBOL_REGISTER_OPS (sym)->register_number (sym, |
2648 | gdbarch); | |
768a979c | 2649 | |
2a2d4dc3 AS |
2650 | if (SYMBOL_IS_ARGUMENT (sym)) |
2651 | printf_filtered ("an argument in register $%s", | |
768a979c | 2652 | gdbarch_register_name (gdbarch, regno)); |
2a2d4dc3 AS |
2653 | else |
2654 | printf_filtered ("a local variable in register $%s", | |
768a979c | 2655 | gdbarch_register_name (gdbarch, regno)); |
c5aa993b JM |
2656 | break; |
2657 | case LOC_ARG: | |
c5aa993b JM |
2658 | printf_filtered ("an argument at stack/frame offset %ld", |
2659 | SYMBOL_VALUE (sym)); | |
2660 | break; | |
2661 | case LOC_LOCAL: | |
2662 | printf_filtered ("a local variable at frame offset %ld", | |
2663 | SYMBOL_VALUE (sym)); | |
2664 | break; | |
2665 | case LOC_REF_ARG: | |
2666 | printf_filtered ("a reference argument at offset %ld", | |
2667 | SYMBOL_VALUE (sym)); | |
2668 | break; | |
c5aa993b | 2669 | case LOC_REGPARM_ADDR: |
768a979c | 2670 | /* Note comment at LOC_REGISTER. */ |
3e43a32a MS |
2671 | regno = SYMBOL_REGISTER_OPS (sym)->register_number (sym, |
2672 | gdbarch); | |
c5aa993b | 2673 | printf_filtered ("the address of an argument, in register $%s", |
768a979c | 2674 | gdbarch_register_name (gdbarch, regno)); |
c5aa993b JM |
2675 | break; |
2676 | case LOC_TYPEDEF: | |
2677 | printf_filtered ("a typedef.\n"); | |
2678 | continue; | |
2679 | case LOC_LABEL: | |
2680 | printf_filtered ("a label at address "); | |
5af949e3 UW |
2681 | printf_filtered ("%s", paddress (gdbarch, |
2682 | SYMBOL_VALUE_ADDRESS (sym))); | |
c5aa993b JM |
2683 | break; |
2684 | case LOC_BLOCK: | |
2685 | printf_filtered ("a function at address "); | |
5af949e3 UW |
2686 | printf_filtered ("%s", |
2687 | paddress (gdbarch, BLOCK_START (SYMBOL_BLOCK_VALUE (sym)))); | |
c5aa993b | 2688 | break; |
c5aa993b | 2689 | case LOC_UNRESOLVED: |
3567439c | 2690 | msym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (sym), |
450bd37b | 2691 | NULL, NULL); |
c5aa993b JM |
2692 | if (msym == NULL) |
2693 | printf_filtered ("Unresolved Static"); | |
2694 | else | |
2695 | { | |
2696 | printf_filtered ("static storage at address "); | |
5af949e3 UW |
2697 | printf_filtered ("%s", |
2698 | paddress (gdbarch, SYMBOL_VALUE_ADDRESS (msym))); | |
c5aa993b JM |
2699 | } |
2700 | break; | |
2701 | case LOC_OPTIMIZED_OUT: | |
2702 | printf_filtered ("optimized out.\n"); | |
2703 | continue; | |
450bd37b | 2704 | case LOC_COMPUTED: |
08922a10 SS |
2705 | SYMBOL_COMPUTED_OPS (sym)->describe_location (sym, |
2706 | BLOCK_START (block), | |
2707 | gdb_stdout); | |
450bd37b | 2708 | break; |
c5aa993b | 2709 | } |
c906108c | 2710 | if (SYMBOL_TYPE (sym)) |
c5aa993b | 2711 | printf_filtered (", length %d.\n", |
450bd37b | 2712 | TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym)))); |
c906108c SS |
2713 | } |
2714 | if (BLOCK_FUNCTION (block)) | |
2715 | break; | |
2716 | else | |
2717 | block = BLOCK_SUPERBLOCK (block); | |
2718 | } | |
2719 | if (count <= 0) | |
2720 | printf_filtered ("Scope for %s contains no locals or arguments.\n", | |
2721 | save_args); | |
2722 | } | |
2723 | ||
2724 | /* worker function (cleanup) */ | |
2725 | static void | |
710b33bd | 2726 | replace_comma (void *data) |
c906108c | 2727 | { |
710b33bd | 2728 | char *comma = data; |
c906108c SS |
2729 | *comma = ','; |
2730 | } | |
2731 | ||
afd02f27 PA |
2732 | |
2733 | /* Helper for trace_dump_command. Dump the action list starting at | |
2734 | ACTION. STEPPING_ACTIONS is true if we're iterating over the | |
2735 | actions of the body of a while-stepping action. STEPPING_FRAME is | |
2736 | set if the current traceframe was determined to be a while-stepping | |
2737 | traceframe. */ | |
2738 | ||
c906108c | 2739 | static void |
afd02f27 PA |
2740 | trace_dump_actions (struct command_line *action, |
2741 | int stepping_actions, int stepping_frame, | |
2742 | int from_tty) | |
c906108c | 2743 | { |
c5aa993b | 2744 | char *action_exp, *next_comma; |
c906108c | 2745 | |
afd02f27 | 2746 | for (; action != NULL; action = action->next) |
c906108c SS |
2747 | { |
2748 | struct cmd_list_element *cmd; | |
2749 | ||
c378eb4e | 2750 | QUIT; /* Allow user to bail out with ^C. */ |
a7bdde9e | 2751 | action_exp = action->line; |
104c1213 | 2752 | while (isspace ((int) *action_exp)) |
c906108c SS |
2753 | action_exp++; |
2754 | ||
2755 | /* The collection actions to be done while stepping are | |
c5aa993b | 2756 | bracketed by the commands "while-stepping" and "end". */ |
c906108c SS |
2757 | |
2758 | if (*action_exp == '#') /* comment line */ | |
2759 | continue; | |
2760 | ||
2761 | cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1); | |
2762 | if (cmd == 0) | |
8a3fe4f8 | 2763 | error (_("Bad action list item: %s"), action_exp); |
c906108c | 2764 | |
bbaca940 | 2765 | if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) |
afd02f27 PA |
2766 | { |
2767 | int i; | |
2768 | ||
2769 | for (i = 0; i < action->body_count; ++i) | |
2770 | trace_dump_actions (action->body_list[i], | |
2771 | 1, stepping_frame, from_tty); | |
2772 | } | |
bbaca940 | 2773 | else if (cmd_cfunc_eq (cmd, collect_pseudocommand)) |
c906108c SS |
2774 | { |
2775 | /* Display the collected data. | |
d183932d MS |
2776 | For the trap frame, display only what was collected at |
2777 | the trap. Likewise for stepping frames, display only | |
2778 | what was collected while stepping. This means that the | |
2779 | two boolean variables, STEPPING_FRAME and | |
2780 | STEPPING_ACTIONS should be equal. */ | |
c906108c SS |
2781 | if (stepping_frame == stepping_actions) |
2782 | { | |
3065dfb6 SS |
2783 | if (*action_exp == '/') |
2784 | action_exp = decode_agent_options (action_exp); | |
2785 | ||
c5aa993b | 2786 | do |
c378eb4e MS |
2787 | { /* Repeat over a comma-separated list. */ |
2788 | QUIT; /* Allow user to bail out with ^C. */ | |
c5aa993b JM |
2789 | if (*action_exp == ',') |
2790 | action_exp++; | |
104c1213 | 2791 | while (isspace ((int) *action_exp)) |
c5aa993b JM |
2792 | action_exp++; |
2793 | ||
2794 | next_comma = strchr (action_exp, ','); | |
2795 | ||
2796 | if (0 == strncasecmp (action_exp, "$reg", 4)) | |
2797 | registers_info (NULL, from_tty); | |
6710bf39 SS |
2798 | else if (0 == strncasecmp (action_exp, "$_ret", 5)) |
2799 | ; | |
c5aa993b JM |
2800 | else if (0 == strncasecmp (action_exp, "$loc", 4)) |
2801 | locals_info (NULL, from_tty); | |
2802 | else if (0 == strncasecmp (action_exp, "$arg", 4)) | |
2803 | args_info (NULL, from_tty); | |
2804 | else | |
2805 | { /* variable */ | |
2806 | if (next_comma) | |
2807 | { | |
2808 | make_cleanup (replace_comma, next_comma); | |
2809 | *next_comma = '\0'; | |
2810 | } | |
2811 | printf_filtered ("%s = ", action_exp); | |
2812 | output_command (action_exp, from_tty); | |
2813 | printf_filtered ("\n"); | |
2814 | } | |
2815 | if (next_comma) | |
2816 | *next_comma = ','; | |
2817 | action_exp = next_comma; | |
2818 | } | |
2819 | while (action_exp && *action_exp == ','); | |
c906108c SS |
2820 | } |
2821 | } | |
2822 | } | |
afd02f27 PA |
2823 | } |
2824 | ||
2825 | /* The tdump command. */ | |
2826 | ||
2827 | static void | |
2828 | trace_dump_command (char *args, int from_tty) | |
2829 | { | |
2830 | struct regcache *regcache; | |
d9b3f62e | 2831 | struct tracepoint *t; |
afd02f27 PA |
2832 | int stepping_frame = 0; |
2833 | struct bp_location *loc; | |
2114d44c SS |
2834 | char *line, *default_collect_line = NULL; |
2835 | struct command_line *actions, *default_collect_action = NULL; | |
2836 | struct cleanup *old_chain = NULL; | |
afd02f27 PA |
2837 | |
2838 | if (tracepoint_number == -1) | |
2839 | { | |
2840 | warning (_("No current trace frame.")); | |
2841 | return; | |
2842 | } | |
2843 | ||
2844 | t = get_tracepoint (tracepoint_number); | |
2845 | ||
2846 | if (t == NULL) | |
2847 | error (_("No known tracepoint matches 'current' tracepoint #%d."), | |
2848 | tracepoint_number); | |
2849 | ||
2850 | printf_filtered ("Data collected at tracepoint %d, trace frame %d:\n", | |
2851 | tracepoint_number, traceframe_number); | |
2852 | ||
2853 | /* The current frame is a trap frame if the frame PC is equal | |
2854 | to the tracepoint PC. If not, then the current frame was | |
2855 | collected during single-stepping. */ | |
2856 | ||
2857 | regcache = get_current_regcache (); | |
2858 | ||
2859 | /* If the traceframe's address matches any of the tracepoint's | |
2860 | locations, assume it is a direct hit rather than a while-stepping | |
2861 | frame. (FIXME this is not reliable, should record each frame's | |
2862 | type.) */ | |
2863 | stepping_frame = 1; | |
d9b3f62e | 2864 | for (loc = t->base.loc; loc; loc = loc->next) |
afd02f27 PA |
2865 | if (loc->address == regcache_read_pc (regcache)) |
2866 | stepping_frame = 0; | |
2867 | ||
d9b3f62e | 2868 | actions = breakpoint_commands (&t->base); |
2114d44c SS |
2869 | |
2870 | /* If there is a default-collect list, make up a collect command, | |
2871 | prepend to the tracepoint's commands, and pass the whole mess to | |
2872 | the trace dump scanner. We need to validate because | |
2873 | default-collect might have been junked since the trace run. */ | |
2874 | if (*default_collect) | |
2875 | { | |
2876 | default_collect_line = xstrprintf ("collect %s", default_collect); | |
2877 | old_chain = make_cleanup (xfree, default_collect_line); | |
2878 | line = default_collect_line; | |
d9b3f62e | 2879 | validate_actionline (&line, &t->base); |
2114d44c SS |
2880 | default_collect_action = xmalloc (sizeof (struct command_line)); |
2881 | make_cleanup (xfree, default_collect_action); | |
2882 | default_collect_action->next = actions; | |
2883 | default_collect_action->line = line; | |
2884 | actions = default_collect_action; | |
2885 | } | |
2886 | ||
2887 | trace_dump_actions (actions, 0, stepping_frame, from_tty); | |
2888 | ||
2889 | if (*default_collect) | |
2890 | do_cleanups (old_chain); | |
c906108c SS |
2891 | } |
2892 | ||
409873ef SS |
2893 | /* Encode a piece of a tracepoint's source-level definition in a form |
2894 | that is suitable for both protocol and saving in files. */ | |
2895 | /* This version does not do multiple encodes for long strings; it should | |
2896 | return an offset to the next piece to encode. FIXME */ | |
2897 | ||
2898 | extern int | |
2899 | encode_source_string (int tpnum, ULONGEST addr, | |
2900 | char *srctype, char *src, char *buf, int buf_size) | |
2901 | { | |
2902 | if (80 + strlen (srctype) > buf_size) | |
2903 | error (_("Buffer too small for source encoding")); | |
2904 | sprintf (buf, "%x:%s:%s:%x:%x:", | |
3e43a32a MS |
2905 | tpnum, phex_nz (addr, sizeof (addr)), |
2906 | srctype, 0, (int) strlen (src)); | |
409873ef SS |
2907 | if (strlen (buf) + strlen (src) * 2 >= buf_size) |
2908 | error (_("Source string too long for buffer")); | |
2909 | bin2hex (src, buf + strlen (buf), 0); | |
2910 | return -1; | |
2911 | } | |
2912 | ||
00bf0b85 SS |
2913 | extern int trace_regblock_size; |
2914 | ||
011aacb0 VP |
2915 | /* Save tracepoint data to file named FILENAME. If TARGET_DOES_SAVE is |
2916 | non-zero, the save is performed on the target, otherwise GDB obtains all | |
2917 | trace data and saves it locally. */ | |
2918 | ||
2919 | void | |
2920 | trace_save (const char *filename, int target_does_save) | |
00bf0b85 | 2921 | { |
00bf0b85 | 2922 | struct cleanup *cleanup; |
011aacb0 | 2923 | char *pathname; |
00bf0b85 SS |
2924 | struct trace_status *ts = current_trace_status (); |
2925 | int err, status; | |
2926 | FILE *fp; | |
2927 | struct uploaded_tp *uploaded_tps = NULL, *utp; | |
2928 | struct uploaded_tsv *uploaded_tsvs = NULL, *utsv; | |
2929 | int a; | |
3149d8c1 | 2930 | char *act; |
00bf0b85 SS |
2931 | LONGEST gotten = 0; |
2932 | ULONGEST offset = 0; | |
2933 | #define MAX_TRACE_UPLOAD 2000 | |
2934 | gdb_byte buf[MAX_TRACE_UPLOAD]; | |
98e03262 | 2935 | int written; |
00bf0b85 | 2936 | |
00bf0b85 SS |
2937 | /* If the target is to save the data to a file on its own, then just |
2938 | send the command and be done with it. */ | |
2939 | if (target_does_save) | |
2940 | { | |
2941 | err = target_save_trace_data (filename); | |
2942 | if (err < 0) | |
2943 | error (_("Target failed to save trace data to '%s'."), | |
2944 | filename); | |
2945 | return; | |
2946 | } | |
2947 | ||
2948 | /* Get the trace status first before opening the file, so if the | |
2949 | target is losing, we can get out without touching files. */ | |
2950 | status = target_get_trace_status (ts); | |
2951 | ||
011aacb0 | 2952 | pathname = tilde_expand (filename); |
00bf0b85 SS |
2953 | cleanup = make_cleanup (xfree, pathname); |
2954 | ||
105c2d85 | 2955 | fp = fopen (pathname, "wb"); |
00bf0b85 SS |
2956 | if (!fp) |
2957 | error (_("Unable to open file '%s' for saving trace data (%s)"), | |
011aacb0 | 2958 | filename, safe_strerror (errno)); |
00bf0b85 SS |
2959 | make_cleanup_fclose (fp); |
2960 | ||
2961 | /* Write a file header, with a high-bit-set char to indicate a | |
2962 | binary file, plus a hint as what this file is, and a version | |
2963 | number in case of future needs. */ | |
98e03262 | 2964 | written = fwrite ("\x7fTRACE0\n", 8, 1, fp); |
409873ef | 2965 | if (written < 1) |
98e03262 | 2966 | perror_with_name (pathname); |
00bf0b85 SS |
2967 | |
2968 | /* Write descriptive info. */ | |
2969 | ||
2970 | /* Write out the size of a register block. */ | |
2971 | fprintf (fp, "R %x\n", trace_regblock_size); | |
2972 | ||
2973 | /* Write out status of the tracing run (aka "tstatus" info). */ | |
6c28cbf2 SS |
2974 | fprintf (fp, "status %c;%s", |
2975 | (ts->running ? '1' : '0'), stop_reason_names[ts->stop_reason]); | |
6c28cbf2 SS |
2976 | if (ts->stop_reason == tracepoint_error) |
2977 | { | |
f196051f | 2978 | char *buf = (char *) alloca (strlen (ts->stop_desc) * 2 + 1); |
5d502164 | 2979 | |
f196051f | 2980 | bin2hex ((gdb_byte *) ts->stop_desc, buf, 0); |
610197fd | 2981 | fprintf (fp, ":%s", buf); |
6c28cbf2 SS |
2982 | } |
2983 | fprintf (fp, ":%x", ts->stopping_tracepoint); | |
4daf5ac0 SS |
2984 | if (ts->traceframe_count >= 0) |
2985 | fprintf (fp, ";tframes:%x", ts->traceframe_count); | |
2986 | if (ts->traceframes_created >= 0) | |
2987 | fprintf (fp, ";tcreated:%x", ts->traceframes_created); | |
2988 | if (ts->buffer_free >= 0) | |
2989 | fprintf (fp, ";tfree:%x", ts->buffer_free); | |
2990 | if (ts->buffer_size >= 0) | |
2991 | fprintf (fp, ";tsize:%x", ts->buffer_size); | |
33da3f1c SS |
2992 | if (ts->disconnected_tracing) |
2993 | fprintf (fp, ";disconn:%x", ts->disconnected_tracing); | |
2994 | if (ts->circular_buffer) | |
2995 | fprintf (fp, ";circular:%x", ts->circular_buffer); | |
4daf5ac0 | 2996 | fprintf (fp, "\n"); |
00bf0b85 SS |
2997 | |
2998 | /* Note that we want to upload tracepoints and save those, rather | |
2999 | than simply writing out the local ones, because the user may have | |
3000 | changed tracepoints in GDB in preparation for a future tracing | |
3001 | run, or maybe just mass-deleted all types of breakpoints as part | |
3002 | of cleaning up. So as not to contaminate the session, leave the | |
3003 | data in its uploaded form, don't make into real tracepoints. */ | |
3004 | ||
3005 | /* Get trace state variables first, they may be checked when parsing | |
3006 | uploaded commands. */ | |
3007 | ||
3008 | target_upload_trace_state_variables (&uploaded_tsvs); | |
3009 | ||
3010 | for (utsv = uploaded_tsvs; utsv; utsv = utsv->next) | |
3011 | { | |
3012 | char *buf = ""; | |
3013 | ||
3014 | if (utsv->name) | |
3015 | { | |
3016 | buf = (char *) xmalloc (strlen (utsv->name) * 2 + 1); | |
3017 | bin2hex ((gdb_byte *) (utsv->name), buf, 0); | |
3018 | } | |
3019 | ||
3020 | fprintf (fp, "tsv %x:%s:%x:%s\n", | |
3021 | utsv->number, phex_nz (utsv->initial_value, 8), | |
3022 | utsv->builtin, buf); | |
3023 | ||
3024 | if (utsv->name) | |
3025 | xfree (buf); | |
3026 | } | |
3027 | ||
3028 | free_uploaded_tsvs (&uploaded_tsvs); | |
3029 | ||
3030 | target_upload_tracepoints (&uploaded_tps); | |
3031 | ||
f196051f SS |
3032 | for (utp = uploaded_tps; utp; utp = utp->next) |
3033 | target_get_tracepoint_status (NULL, utp); | |
3034 | ||
00bf0b85 SS |
3035 | for (utp = uploaded_tps; utp; utp = utp->next) |
3036 | { | |
3037 | fprintf (fp, "tp T%x:%s:%c:%x:%x", | |
3038 | utp->number, phex_nz (utp->addr, sizeof (utp->addr)), | |
3039 | (utp->enabled ? 'E' : 'D'), utp->step, utp->pass); | |
3040 | if (utp->type == bp_fast_tracepoint) | |
3041 | fprintf (fp, ":F%x", utp->orig_size); | |
3042 | if (utp->cond) | |
3043 | fprintf (fp, ":X%x,%s", (unsigned int) strlen (utp->cond) / 2, | |
3044 | utp->cond); | |
3045 | fprintf (fp, "\n"); | |
3149d8c1 | 3046 | for (a = 0; VEC_iterate (char_ptr, utp->actions, a, act); ++a) |
00bf0b85 | 3047 | fprintf (fp, "tp A%x:%s:%s\n", |
3149d8c1 | 3048 | utp->number, phex_nz (utp->addr, sizeof (utp->addr)), act); |
0a2a54b8 | 3049 | for (a = 0; VEC_iterate (char_ptr, utp->step_actions, a, act); ++a) |
00bf0b85 | 3050 | fprintf (fp, "tp S%x:%s:%s\n", |
3149d8c1 | 3051 | utp->number, phex_nz (utp->addr, sizeof (utp->addr)), act); |
409873ef SS |
3052 | if (utp->at_string) |
3053 | { | |
3054 | encode_source_string (utp->number, utp->addr, | |
3055 | "at", utp->at_string, buf, MAX_TRACE_UPLOAD); | |
3056 | fprintf (fp, "tp Z%s\n", buf); | |
3057 | } | |
3058 | if (utp->cond_string) | |
3059 | { | |
3060 | encode_source_string (utp->number, utp->addr, | |
3e43a32a MS |
3061 | "cond", utp->cond_string, |
3062 | buf, MAX_TRACE_UPLOAD); | |
409873ef SS |
3063 | fprintf (fp, "tp Z%s\n", buf); |
3064 | } | |
3149d8c1 | 3065 | for (a = 0; VEC_iterate (char_ptr, utp->cmd_strings, a, act); ++a) |
409873ef | 3066 | { |
3149d8c1 | 3067 | encode_source_string (utp->number, utp->addr, "cmd", act, |
409873ef SS |
3068 | buf, MAX_TRACE_UPLOAD); |
3069 | fprintf (fp, "tp Z%s\n", buf); | |
3070 | } | |
f196051f SS |
3071 | fprintf (fp, "tp V%x:%s:%x:%s\n", |
3072 | utp->number, phex_nz (utp->addr, sizeof (utp->addr)), | |
3073 | utp->hit_count, | |
3074 | phex_nz (utp->traceframe_usage, | |
3075 | sizeof (utp->traceframe_usage))); | |
00bf0b85 SS |
3076 | } |
3077 | ||
3078 | free_uploaded_tps (&uploaded_tps); | |
3079 | ||
3080 | /* Mark the end of the definition section. */ | |
3081 | fprintf (fp, "\n"); | |
3082 | ||
3083 | /* Get and write the trace data proper. We ask for big blocks, in | |
3084 | the hopes of efficiency, but will take less if the target has | |
3085 | packet size limitations or some such. */ | |
3086 | while (1) | |
3087 | { | |
3088 | gotten = target_get_raw_trace_data (buf, offset, MAX_TRACE_UPLOAD); | |
3089 | if (gotten < 0) | |
3090 | error (_("Failure to get requested trace buffer data")); | |
3091 | /* No more data is forthcoming, we're done. */ | |
3092 | if (gotten == 0) | |
3093 | break; | |
98e03262 | 3094 | written = fwrite (buf, gotten, 1, fp); |
409873ef | 3095 | if (written < 1) |
98e03262 | 3096 | perror_with_name (pathname); |
00bf0b85 SS |
3097 | offset += gotten; |
3098 | } | |
3099 | ||
409873ef | 3100 | /* Mark the end of trace data. (We know that gotten is 0 at this point.) */ |
98e03262 | 3101 | written = fwrite (&gotten, 4, 1, fp); |
409873ef | 3102 | if (written < 1) |
98e03262 | 3103 | perror_with_name (pathname); |
00bf0b85 SS |
3104 | |
3105 | do_cleanups (cleanup); | |
011aacb0 VP |
3106 | } |
3107 | ||
3108 | static void | |
3109 | trace_save_command (char *args, int from_tty) | |
3110 | { | |
3111 | int target_does_save = 0; | |
3112 | char **argv; | |
3113 | char *filename = NULL; | |
3114 | struct cleanup *back_to; | |
3115 | ||
3116 | if (args == NULL) | |
3117 | error_no_arg (_("file in which to save trace data")); | |
3118 | ||
3119 | argv = gdb_buildargv (args); | |
3120 | back_to = make_cleanup_freeargv (argv); | |
3121 | ||
3122 | for (; *argv; ++argv) | |
3123 | { | |
3124 | if (strcmp (*argv, "-r") == 0) | |
3125 | target_does_save = 1; | |
3126 | else if (**argv == '-') | |
3127 | error (_("unknown option `%s'"), *argv); | |
3128 | else | |
3129 | filename = *argv; | |
3130 | } | |
3131 | ||
3132 | if (!filename) | |
3133 | error_no_arg (_("file in which to save trace data")); | |
3134 | ||
3135 | trace_save (filename, target_does_save); | |
3136 | ||
00bf0b85 | 3137 | if (from_tty) |
a70633a2 | 3138 | printf_filtered (_("Trace data saved to file '%s'.\n"), filename); |
011aacb0 VP |
3139 | |
3140 | do_cleanups (back_to); | |
00bf0b85 SS |
3141 | } |
3142 | ||
d5551862 SS |
3143 | /* Tell the target what to do with an ongoing tracing run if GDB |
3144 | disconnects for some reason. */ | |
3145 | ||
d5551862 SS |
3146 | static void |
3147 | set_disconnected_tracing (char *args, int from_tty, | |
3148 | struct cmd_list_element *c) | |
3149 | { | |
f196051f | 3150 | target_set_disconnected_tracing (disconnected_tracing); |
d5551862 SS |
3151 | } |
3152 | ||
4daf5ac0 SS |
3153 | static void |
3154 | set_circular_trace_buffer (char *args, int from_tty, | |
3155 | struct cmd_list_element *c) | |
3156 | { | |
3157 | target_set_circular_trace_buffer (circular_trace_buffer); | |
3158 | } | |
3159 | ||
f196051f SS |
3160 | static void |
3161 | set_trace_user (char *args, int from_tty, | |
3162 | struct cmd_list_element *c) | |
3163 | { | |
3164 | int ret; | |
3165 | ||
3166 | ret = target_set_trace_notes (trace_user, NULL, NULL); | |
3167 | ||
3168 | if (!ret) | |
3169 | warning ("Target does not support trace notes, user ignored"); | |
3170 | } | |
3171 | ||
3172 | static void | |
3173 | set_trace_notes (char *args, int from_tty, | |
3174 | struct cmd_list_element *c) | |
3175 | { | |
3176 | int ret; | |
3177 | ||
3178 | ret = target_set_trace_notes (NULL, trace_notes, NULL); | |
3179 | ||
3180 | if (!ret) | |
3181 | warning ("Target does not support trace notes, note ignored"); | |
3182 | } | |
3183 | ||
3184 | static void | |
3185 | set_trace_stop_notes (char *args, int from_tty, | |
3186 | struct cmd_list_element *c) | |
3187 | { | |
3188 | int ret; | |
3189 | ||
3190 | ret = target_set_trace_notes (NULL, NULL, trace_stop_notes); | |
3191 | ||
3192 | if (!ret) | |
3193 | warning ("Target does not support trace notes, stop note ignored"); | |
3194 | } | |
3195 | ||
c906108c SS |
3196 | /* Convert the memory pointed to by mem into hex, placing result in buf. |
3197 | * Return a pointer to the last char put in buf (null) | |
3198 | * "stolen" from sparc-stub.c | |
3199 | */ | |
3200 | ||
c5aa993b | 3201 | static const char hexchars[] = "0123456789abcdef"; |
c906108c | 3202 | |
47b667de AC |
3203 | static char * |
3204 | mem2hex (gdb_byte *mem, char *buf, int count) | |
c906108c | 3205 | { |
47b667de | 3206 | gdb_byte ch; |
c906108c SS |
3207 | |
3208 | while (count-- > 0) | |
3209 | { | |
3210 | ch = *mem++; | |
3211 | ||
3212 | *buf++ = hexchars[ch >> 4]; | |
3213 | *buf++ = hexchars[ch & 0xf]; | |
3214 | } | |
3215 | ||
3216 | *buf = 0; | |
3217 | ||
3218 | return buf; | |
3219 | } | |
3220 | ||
c5aa993b | 3221 | int |
fba45db2 | 3222 | get_traceframe_number (void) |
c906108c | 3223 | { |
c5aa993b | 3224 | return traceframe_number; |
c906108c SS |
3225 | } |
3226 | ||
06cd862c PA |
3227 | /* Make the traceframe NUM be the current trace frame. Does nothing |
3228 | if NUM is already current. */ | |
3229 | ||
3230 | void | |
e6e4e701 | 3231 | set_current_traceframe (int num) |
06cd862c PA |
3232 | { |
3233 | int newnum; | |
3234 | ||
3235 | if (traceframe_number == num) | |
3236 | { | |
3237 | /* Nothing to do. */ | |
3238 | return; | |
3239 | } | |
3240 | ||
3241 | newnum = target_trace_find (tfind_number, num, 0, 0, NULL); | |
3242 | ||
3243 | if (newnum != num) | |
3244 | warning (_("could not change traceframe")); | |
3245 | ||
3246 | traceframe_number = newnum; | |
3247 | ||
3248 | /* Changing the traceframe changes our view of registers and of the | |
3249 | frame chain. */ | |
3250 | registers_changed (); | |
b3b9301e PA |
3251 | |
3252 | clear_traceframe_info (); | |
06cd862c PA |
3253 | } |
3254 | ||
e6e4e701 PA |
3255 | /* Make the traceframe NUM be the current trace frame, and do nothing |
3256 | more. */ | |
3257 | ||
3258 | void | |
3259 | set_traceframe_number (int num) | |
3260 | { | |
3261 | traceframe_number = num; | |
3262 | } | |
3263 | ||
06cd862c PA |
3264 | /* A cleanup used when switching away and back from tfind mode. */ |
3265 | ||
3266 | struct current_traceframe_cleanup | |
3267 | { | |
3268 | /* The traceframe we were inspecting. */ | |
3269 | int traceframe_number; | |
3270 | }; | |
3271 | ||
3272 | static void | |
3273 | do_restore_current_traceframe_cleanup (void *arg) | |
3274 | { | |
3275 | struct current_traceframe_cleanup *old = arg; | |
3276 | ||
e6e4e701 | 3277 | set_current_traceframe (old->traceframe_number); |
06cd862c PA |
3278 | } |
3279 | ||
3280 | static void | |
3281 | restore_current_traceframe_cleanup_dtor (void *arg) | |
3282 | { | |
3283 | struct current_traceframe_cleanup *old = arg; | |
3284 | ||
3285 | xfree (old); | |
3286 | } | |
3287 | ||
3288 | struct cleanup * | |
3289 | make_cleanup_restore_current_traceframe (void) | |
3290 | { | |
3291 | struct current_traceframe_cleanup *old; | |
3292 | ||
3293 | old = xmalloc (sizeof (struct current_traceframe_cleanup)); | |
3294 | old->traceframe_number = traceframe_number; | |
3295 | ||
3296 | return make_cleanup_dtor (do_restore_current_traceframe_cleanup, old, | |
3297 | restore_current_traceframe_cleanup_dtor); | |
3298 | } | |
00bf0b85 | 3299 | |
e6e4e701 PA |
3300 | struct cleanup * |
3301 | make_cleanup_restore_traceframe_number (void) | |
3302 | { | |
3303 | return make_cleanup_restore_integer (&traceframe_number); | |
3304 | } | |
3305 | ||
00bf0b85 SS |
3306 | /* Given a number and address, return an uploaded tracepoint with that |
3307 | number, creating if necessary. */ | |
3308 | ||
3309 | struct uploaded_tp * | |
3310 | get_uploaded_tp (int num, ULONGEST addr, struct uploaded_tp **utpp) | |
3311 | { | |
3312 | struct uploaded_tp *utp; | |
3313 | ||
3314 | for (utp = *utpp; utp; utp = utp->next) | |
3315 | if (utp->number == num && utp->addr == addr) | |
3316 | return utp; | |
3317 | utp = (struct uploaded_tp *) xmalloc (sizeof (struct uploaded_tp)); | |
3318 | memset (utp, 0, sizeof (struct uploaded_tp)); | |
3319 | utp->number = num; | |
3320 | utp->addr = addr; | |
3149d8c1 SS |
3321 | utp->actions = NULL; |
3322 | utp->step_actions = NULL; | |
3323 | utp->cmd_strings = NULL; | |
00bf0b85 SS |
3324 | utp->next = *utpp; |
3325 | *utpp = utp; | |
3326 | return utp; | |
3327 | } | |
3328 | ||
3329 | static void | |
3330 | free_uploaded_tps (struct uploaded_tp **utpp) | |
3331 | { | |
3332 | struct uploaded_tp *next_one; | |
3333 | ||
3334 | while (*utpp) | |
3335 | { | |
3336 | next_one = (*utpp)->next; | |
3337 | xfree (*utpp); | |
3338 | *utpp = next_one; | |
3339 | } | |
3340 | } | |
3341 | ||
3342 | /* Given a number and address, return an uploaded tracepoint with that | |
3343 | number, creating if necessary. */ | |
3344 | ||
3345 | struct uploaded_tsv * | |
3346 | get_uploaded_tsv (int num, struct uploaded_tsv **utsvp) | |
3347 | { | |
3348 | struct uploaded_tsv *utsv; | |
3349 | ||
3350 | for (utsv = *utsvp; utsv; utsv = utsv->next) | |
3351 | if (utsv->number == num) | |
3352 | return utsv; | |
3353 | utsv = (struct uploaded_tsv *) xmalloc (sizeof (struct uploaded_tsv)); | |
3354 | memset (utsv, 0, sizeof (struct uploaded_tsv)); | |
3355 | utsv->number = num; | |
3356 | utsv->next = *utsvp; | |
3357 | *utsvp = utsv; | |
3358 | return utsv; | |
3359 | } | |
3360 | ||
3361 | static void | |
3362 | free_uploaded_tsvs (struct uploaded_tsv **utsvp) | |
3363 | { | |
3364 | struct uploaded_tsv *next_one; | |
3365 | ||
3366 | while (*utsvp) | |
3367 | { | |
3368 | next_one = (*utsvp)->next; | |
3369 | xfree (*utsvp); | |
3370 | *utsvp = next_one; | |
3371 | } | |
3372 | } | |
3373 | ||
4e5c165d HZ |
3374 | /* FIXME this function is heuristic and will miss the cases where the |
3375 | conditional is semantically identical but differs in whitespace, | |
3376 | such as "x == 0" vs "x==0". */ | |
3377 | ||
3378 | static int | |
3379 | cond_string_is_same (char *str1, char *str2) | |
3380 | { | |
3381 | if (str1 == NULL || str2 == NULL) | |
3382 | return (str1 == str2); | |
3383 | ||
3384 | return (strcmp (str1, str2) == 0); | |
3385 | } | |
3386 | ||
00bf0b85 SS |
3387 | /* Look for an existing tracepoint that seems similar enough to the |
3388 | uploaded one. Enablement isn't compared, because the user can | |
3389 | toggle that freely, and may have done so in anticipation of the | |
1e4d1764 | 3390 | next trace run. Return the location of matched tracepoint. */ |
00bf0b85 | 3391 | |
1e4d1764 YQ |
3392 | struct bp_location * |
3393 | find_matching_tracepoint_location (struct uploaded_tp *utp) | |
00bf0b85 SS |
3394 | { |
3395 | VEC(breakpoint_p) *tp_vec = all_tracepoints (); | |
3396 | int ix; | |
d9b3f62e | 3397 | struct breakpoint *b; |
00bf0b85 SS |
3398 | struct bp_location *loc; |
3399 | ||
d9b3f62e | 3400 | for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, b); ix++) |
00bf0b85 | 3401 | { |
d9b3f62e PA |
3402 | struct tracepoint *t = (struct tracepoint *) b; |
3403 | ||
3404 | if (b->type == utp->type | |
00bf0b85 SS |
3405 | && t->step_count == utp->step |
3406 | && t->pass_count == utp->pass | |
4e5c165d HZ |
3407 | && cond_string_is_same (t->base.cond_string, utp->cond_string) |
3408 | /* FIXME also test actions. */ | |
00bf0b85 SS |
3409 | ) |
3410 | { | |
3411 | /* Scan the locations for an address match. */ | |
d9b3f62e | 3412 | for (loc = b->loc; loc; loc = loc->next) |
00bf0b85 SS |
3413 | { |
3414 | if (loc->address == utp->addr) | |
1e4d1764 | 3415 | return loc; |
00bf0b85 SS |
3416 | } |
3417 | } | |
3418 | } | |
3419 | return NULL; | |
3420 | } | |
3421 | ||
3422 | /* Given a list of tracepoints uploaded from a target, attempt to | |
3423 | match them up with existing tracepoints, and create new ones if not | |
3424 | found. */ | |
3425 | ||
3426 | void | |
3427 | merge_uploaded_tracepoints (struct uploaded_tp **uploaded_tps) | |
3428 | { | |
3429 | struct uploaded_tp *utp; | |
00bf0b85 SS |
3430 | |
3431 | /* Look for GDB tracepoints that match up with our uploaded versions. */ | |
3432 | for (utp = *uploaded_tps; utp; utp = utp->next) | |
3433 | { | |
1e4d1764 YQ |
3434 | struct bp_location *loc; |
3435 | struct tracepoint *t; | |
3436 | ||
3437 | loc = find_matching_tracepoint_location (utp); | |
3438 | if (loc) | |
3439 | { | |
3440 | /* Mark this location as already inserted. */ | |
3441 | loc->inserted = 1; | |
3442 | t = (struct tracepoint *) loc->owner; | |
3443 | printf_filtered (_("Assuming tracepoint %d is same " | |
3444 | "as target's tracepoint %d at %s.\n"), | |
3445 | loc->owner->number, utp->number, | |
3446 | paddress (loc->gdbarch, utp->addr)); | |
3447 | } | |
00bf0b85 SS |
3448 | else |
3449 | { | |
3450 | t = create_tracepoint_from_upload (utp); | |
3451 | if (t) | |
3e43a32a MS |
3452 | printf_filtered (_("Created tracepoint %d for " |
3453 | "target's tracepoint %d at %s.\n"), | |
d9b3f62e | 3454 | t->base.number, utp->number, |
3e43a32a | 3455 | paddress (get_current_arch (), utp->addr)); |
00bf0b85 | 3456 | else |
3e43a32a MS |
3457 | printf_filtered (_("Failed to create tracepoint for target's " |
3458 | "tracepoint %d at %s, skipping it.\n"), | |
3459 | utp->number, | |
3460 | paddress (get_current_arch (), utp->addr)); | |
00bf0b85 SS |
3461 | } |
3462 | /* Whether found or created, record the number used by the | |
3463 | target, to help with mapping target tracepoints back to their | |
3464 | counterparts here. */ | |
3465 | if (t) | |
3466 | t->number_on_target = utp->number; | |
3467 | } | |
3468 | ||
3469 | free_uploaded_tps (uploaded_tps); | |
3470 | } | |
3471 | ||
3472 | /* Trace state variables don't have much to identify them beyond their | |
3473 | name, so just use that to detect matches. */ | |
3474 | ||
3475 | struct trace_state_variable * | |
3476 | find_matching_tsv (struct uploaded_tsv *utsv) | |
3477 | { | |
3478 | if (!utsv->name) | |
3479 | return NULL; | |
3480 | ||
3481 | return find_trace_state_variable (utsv->name); | |
3482 | } | |
3483 | ||
3484 | struct trace_state_variable * | |
3485 | create_tsv_from_upload (struct uploaded_tsv *utsv) | |
3486 | { | |
3487 | const char *namebase; | |
df5a4bd3 | 3488 | char *buf; |
00bf0b85 SS |
3489 | int try_num = 0; |
3490 | struct trace_state_variable *tsv; | |
df5a4bd3 | 3491 | struct cleanup *old_chain; |
00bf0b85 SS |
3492 | |
3493 | if (utsv->name) | |
3494 | { | |
3495 | namebase = utsv->name; | |
df5a4bd3 | 3496 | buf = xstrprintf ("%s", namebase); |
00bf0b85 SS |
3497 | } |
3498 | else | |
3499 | { | |
3500 | namebase = "__tsv"; | |
df5a4bd3 | 3501 | buf = xstrprintf ("%s_%d", namebase, try_num++); |
00bf0b85 SS |
3502 | } |
3503 | ||
3504 | /* Fish for a name that is not in use. */ | |
c378eb4e | 3505 | /* (should check against all internal vars?) */ |
00bf0b85 | 3506 | while (find_trace_state_variable (buf)) |
df5a4bd3 HZ |
3507 | { |
3508 | xfree (buf); | |
3509 | buf = xstrprintf ("%s_%d", namebase, try_num++); | |
3510 | } | |
3511 | ||
3512 | old_chain = make_cleanup (xfree, buf); | |
00bf0b85 SS |
3513 | |
3514 | /* We have an available name, create the variable. */ | |
a0aa2878 | 3515 | tsv = create_trace_state_variable (buf); |
00bf0b85 SS |
3516 | tsv->initial_value = utsv->initial_value; |
3517 | tsv->builtin = utsv->builtin; | |
3518 | ||
df5a4bd3 HZ |
3519 | do_cleanups (old_chain); |
3520 | ||
00bf0b85 SS |
3521 | return tsv; |
3522 | } | |
3523 | ||
3524 | /* Given a list of uploaded trace state variables, try to match them | |
3525 | up with existing variables, or create additional ones. */ | |
3526 | ||
3527 | void | |
3528 | merge_uploaded_trace_state_variables (struct uploaded_tsv **uploaded_tsvs) | |
3529 | { | |
3530 | int ix; | |
3531 | struct uploaded_tsv *utsv; | |
3532 | struct trace_state_variable *tsv; | |
3533 | int highest; | |
3534 | ||
3535 | /* Most likely some numbers will have to be reassigned as part of | |
3536 | the merge, so clear them all in anticipation. */ | |
3537 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
3538 | tsv->number = 0; | |
3539 | ||
3540 | for (utsv = *uploaded_tsvs; utsv; utsv = utsv->next) | |
3541 | { | |
3542 | tsv = find_matching_tsv (utsv); | |
3543 | if (tsv) | |
417b5110 DJ |
3544 | { |
3545 | if (info_verbose) | |
3e43a32a MS |
3546 | printf_filtered (_("Assuming trace state variable $%s " |
3547 | "is same as target's variable %d.\n"), | |
417b5110 DJ |
3548 | tsv->name, utsv->number); |
3549 | } | |
00bf0b85 SS |
3550 | else |
3551 | { | |
3552 | tsv = create_tsv_from_upload (utsv); | |
417b5110 | 3553 | if (info_verbose) |
3e43a32a MS |
3554 | printf_filtered (_("Created trace state variable " |
3555 | "$%s for target's variable %d.\n"), | |
417b5110 | 3556 | tsv->name, utsv->number); |
00bf0b85 SS |
3557 | } |
3558 | /* Give precedence to numberings that come from the target. */ | |
3559 | if (tsv) | |
3560 | tsv->number = utsv->number; | |
3561 | } | |
3562 | ||
3563 | /* Renumber everything that didn't get a target-assigned number. */ | |
3564 | highest = 0; | |
3565 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
3566 | if (tsv->number > highest) | |
3567 | highest = tsv->number; | |
3568 | ||
3569 | ++highest; | |
3570 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
3571 | if (tsv->number == 0) | |
3572 | tsv->number = highest++; | |
3573 | ||
3574 | free_uploaded_tsvs (uploaded_tsvs); | |
3575 | } | |
3576 | ||
3577 | /* target tfile command */ | |
3578 | ||
3579 | struct target_ops tfile_ops; | |
3580 | ||
3581 | /* Fill in tfile_ops with its defined operations and properties. */ | |
3582 | ||
3583 | #define TRACE_HEADER_SIZE 8 | |
3584 | ||
98e03262 | 3585 | char *trace_filename; |
00bf0b85 SS |
3586 | int trace_fd = -1; |
3587 | off_t trace_frames_offset; | |
3588 | off_t cur_offset; | |
e6e4e701 | 3589 | int cur_traceframe_number; |
00bf0b85 SS |
3590 | int cur_data_size; |
3591 | int trace_regblock_size; | |
3592 | ||
3593 | static void tfile_interp_line (char *line, | |
3594 | struct uploaded_tp **utpp, | |
3595 | struct uploaded_tsv **utsvp); | |
3596 | ||
9f41c731 PA |
3597 | /* Read SIZE bytes into READBUF from the trace frame, starting at |
3598 | TRACE_FD's current position. Note that this call `read' | |
3599 | underneath, hence it advances the file's seek position. Throws an | |
3600 | error if the `read' syscall fails, or less than SIZE bytes are | |
3601 | read. */ | |
3602 | ||
3603 | static void | |
3604 | tfile_read (gdb_byte *readbuf, int size) | |
3605 | { | |
3606 | int gotten; | |
3607 | ||
3608 | gotten = read (trace_fd, readbuf, size); | |
3609 | if (gotten < 0) | |
3610 | perror_with_name (trace_filename); | |
3611 | else if (gotten < size) | |
3612 | error (_("Premature end of file while reading trace file")); | |
3613 | } | |
3614 | ||
00bf0b85 SS |
3615 | static void |
3616 | tfile_open (char *filename, int from_tty) | |
3617 | { | |
e93a69ed | 3618 | volatile struct gdb_exception ex; |
00bf0b85 SS |
3619 | char *temp; |
3620 | struct cleanup *old_chain; | |
3621 | int flags; | |
3622 | int scratch_chan; | |
3623 | char header[TRACE_HEADER_SIZE]; | |
c378eb4e | 3624 | char linebuf[1000]; /* Should be max remote packet size or so. */ |
00bf0b85 | 3625 | char byte; |
9f41c731 | 3626 | int bytes, i; |
00bf0b85 SS |
3627 | struct trace_status *ts; |
3628 | struct uploaded_tp *uploaded_tps = NULL; | |
3629 | struct uploaded_tsv *uploaded_tsvs = NULL; | |
3630 | ||
3631 | target_preopen (from_tty); | |
3632 | if (!filename) | |
3633 | error (_("No trace file specified.")); | |
3634 | ||
3635 | filename = tilde_expand (filename); | |
3636 | if (!IS_ABSOLUTE_PATH(filename)) | |
3637 | { | |
c4f7c687 | 3638 | temp = concat (current_directory, "/", filename, (char *) NULL); |
00bf0b85 SS |
3639 | xfree (filename); |
3640 | filename = temp; | |
3641 | } | |
3642 | ||
3643 | old_chain = make_cleanup (xfree, filename); | |
3644 | ||
3645 | flags = O_BINARY | O_LARGEFILE; | |
3646 | flags |= O_RDONLY; | |
3647 | scratch_chan = open (filename, flags, 0); | |
3648 | if (scratch_chan < 0) | |
3649 | perror_with_name (filename); | |
3650 | ||
3651 | /* Looks semi-reasonable. Toss the old trace file and work on the new. */ | |
3652 | ||
c378eb4e | 3653 | discard_cleanups (old_chain); /* Don't free filename any more. */ |
00bf0b85 SS |
3654 | unpush_target (&tfile_ops); |
3655 | ||
98e03262 | 3656 | trace_filename = xstrdup (filename); |
00bf0b85 SS |
3657 | trace_fd = scratch_chan; |
3658 | ||
3659 | bytes = 0; | |
3660 | /* Read the file header and test for validity. */ | |
9f41c731 | 3661 | tfile_read ((gdb_byte *) &header, TRACE_HEADER_SIZE); |
98e03262 | 3662 | |
00bf0b85 SS |
3663 | bytes += TRACE_HEADER_SIZE; |
3664 | if (!(header[0] == 0x7f | |
3665 | && (strncmp (header + 1, "TRACE0\n", 7) == 0))) | |
3666 | error (_("File is not a valid trace file.")); | |
3667 | ||
e93a69ed PA |
3668 | push_target (&tfile_ops); |
3669 | ||
00bf0b85 SS |
3670 | trace_regblock_size = 0; |
3671 | ts = current_trace_status (); | |
3672 | /* We know we're working with a file. */ | |
3673 | ts->from_file = 1; | |
3674 | /* Set defaults in case there is no status line. */ | |
3675 | ts->running_known = 0; | |
3676 | ts->stop_reason = trace_stop_reason_unknown; | |
3677 | ts->traceframe_count = -1; | |
3678 | ts->buffer_free = 0; | |
33da3f1c SS |
3679 | ts->disconnected_tracing = 0; |
3680 | ts->circular_buffer = 0; | |
00bf0b85 | 3681 | |
e6e4e701 PA |
3682 | cur_traceframe_number = -1; |
3683 | ||
e93a69ed | 3684 | TRY_CATCH (ex, RETURN_MASK_ALL) |
00bf0b85 | 3685 | { |
e93a69ed PA |
3686 | /* Read through a section of newline-terminated lines that |
3687 | define things like tracepoints. */ | |
3688 | i = 0; | |
3689 | while (1) | |
00bf0b85 | 3690 | { |
e93a69ed PA |
3691 | tfile_read (&byte, 1); |
3692 | ||
3693 | ++bytes; | |
3694 | if (byte == '\n') | |
3695 | { | |
3696 | /* Empty line marks end of the definition section. */ | |
3697 | if (i == 0) | |
3698 | break; | |
3699 | linebuf[i] = '\0'; | |
3700 | i = 0; | |
3701 | tfile_interp_line (linebuf, &uploaded_tps, &uploaded_tsvs); | |
3702 | } | |
3703 | else | |
3704 | linebuf[i++] = byte; | |
3705 | if (i >= 1000) | |
3706 | error (_("Excessively long lines in trace file")); | |
00bf0b85 | 3707 | } |
e93a69ed PA |
3708 | |
3709 | /* Record the starting offset of the binary trace data. */ | |
3710 | trace_frames_offset = bytes; | |
3711 | ||
3712 | /* If we don't have a blocksize, we can't interpret the | |
3713 | traceframes. */ | |
3714 | if (trace_regblock_size == 0) | |
3715 | error (_("No register block size recorded in trace file")); | |
3716 | } | |
3717 | if (ex.reason < 0) | |
3718 | { | |
3719 | /* Pop the partially set up target. */ | |
3720 | pop_target (); | |
3721 | throw_exception (ex); | |
00bf0b85 SS |
3722 | } |
3723 | ||
e93a69ed PA |
3724 | inferior_appeared (current_inferior (), TFILE_PID); |
3725 | inferior_ptid = pid_to_ptid (TFILE_PID); | |
3726 | add_thread_silent (inferior_ptid); | |
3727 | ||
3728 | if (ts->traceframe_count <= 0) | |
3729 | warning (_("No traceframes present in this file.")); | |
3730 | ||
00bf0b85 SS |
3731 | /* Add the file's tracepoints and variables into the current mix. */ |
3732 | ||
10ef8d6a PA |
3733 | /* Get trace state variables first, they may be checked when parsing |
3734 | uploaded commands. */ | |
00bf0b85 SS |
3735 | merge_uploaded_trace_state_variables (&uploaded_tsvs); |
3736 | ||
10ef8d6a PA |
3737 | merge_uploaded_tracepoints (&uploaded_tps); |
3738 | ||
00bf0b85 | 3739 | post_create_inferior (&tfile_ops, from_tty); |
00bf0b85 SS |
3740 | } |
3741 | ||
3742 | /* Interpret the given line from the definitions part of the trace | |
3743 | file. */ | |
3744 | ||
3745 | static void | |
3746 | tfile_interp_line (char *line, | |
3747 | struct uploaded_tp **utpp, struct uploaded_tsv **utsvp) | |
3748 | { | |
3749 | char *p = line; | |
3750 | ||
3751 | if (strncmp (p, "R ", strlen ("R ")) == 0) | |
3752 | { | |
3753 | p += strlen ("R "); | |
3754 | trace_regblock_size = strtol (p, &p, 16); | |
3755 | } | |
3756 | else if (strncmp (p, "status ", strlen ("status ")) == 0) | |
3757 | { | |
3758 | p += strlen ("status "); | |
3759 | parse_trace_status (p, current_trace_status ()); | |
3760 | } | |
3761 | else if (strncmp (p, "tp ", strlen ("tp ")) == 0) | |
3762 | { | |
3763 | p += strlen ("tp "); | |
3764 | parse_tracepoint_definition (p, utpp); | |
3765 | } | |
3766 | else if (strncmp (p, "tsv ", strlen ("tsv ")) == 0) | |
3767 | { | |
3768 | p += strlen ("tsv "); | |
3769 | parse_tsv_definition (p, utsvp); | |
3770 | } | |
3771 | else | |
a73c6dcd | 3772 | warning (_("Ignoring trace file definition \"%s\""), line); |
00bf0b85 SS |
3773 | } |
3774 | ||
3775 | /* Parse the part of trace status syntax that is shared between | |
3776 | the remote protocol and the trace file reader. */ | |
3777 | ||
00bf0b85 SS |
3778 | void |
3779 | parse_trace_status (char *line, struct trace_status *ts) | |
3780 | { | |
f196051f SS |
3781 | char *p = line, *p1, *p2, *p3, *p_temp; |
3782 | int end; | |
00bf0b85 SS |
3783 | ULONGEST val; |
3784 | ||
3785 | ts->running_known = 1; | |
3786 | ts->running = (*p++ == '1'); | |
3787 | ts->stop_reason = trace_stop_reason_unknown; | |
f196051f SS |
3788 | xfree (ts->stop_desc); |
3789 | ts->stop_desc = NULL; | |
4daf5ac0 SS |
3790 | ts->traceframe_count = -1; |
3791 | ts->traceframes_created = -1; | |
3792 | ts->buffer_free = -1; | |
3793 | ts->buffer_size = -1; | |
33da3f1c SS |
3794 | ts->disconnected_tracing = 0; |
3795 | ts->circular_buffer = 0; | |
f196051f SS |
3796 | xfree (ts->user_name); |
3797 | ts->user_name = NULL; | |
3798 | xfree (ts->notes); | |
3799 | ts->notes = NULL; | |
3800 | ts->start_time = ts->stop_time = 0; | |
4daf5ac0 | 3801 | |
00bf0b85 SS |
3802 | while (*p++) |
3803 | { | |
3804 | p1 = strchr (p, ':'); | |
3805 | if (p1 == NULL) | |
3806 | error (_("Malformed trace status, at %s\n\ | |
3807 | Status line: '%s'\n"), p, line); | |
f196051f SS |
3808 | p3 = strchr (p, ';'); |
3809 | if (p3 == NULL) | |
3810 | p3 = p + strlen (p); | |
00bf0b85 SS |
3811 | if (strncmp (p, stop_reason_names[trace_buffer_full], p1 - p) == 0) |
3812 | { | |
3813 | p = unpack_varlen_hex (++p1, &val); | |
3814 | ts->stop_reason = trace_buffer_full; | |
3815 | } | |
3816 | else if (strncmp (p, stop_reason_names[trace_never_run], p1 - p) == 0) | |
3817 | { | |
3818 | p = unpack_varlen_hex (++p1, &val); | |
3819 | ts->stop_reason = trace_never_run; | |
3820 | } | |
3e43a32a MS |
3821 | else if (strncmp (p, stop_reason_names[tracepoint_passcount], |
3822 | p1 - p) == 0) | |
00bf0b85 SS |
3823 | { |
3824 | p = unpack_varlen_hex (++p1, &val); | |
3825 | ts->stop_reason = tracepoint_passcount; | |
3826 | ts->stopping_tracepoint = val; | |
3827 | } | |
3828 | else if (strncmp (p, stop_reason_names[tstop_command], p1 - p) == 0) | |
3829 | { | |
f196051f SS |
3830 | p2 = strchr (++p1, ':'); |
3831 | if (!p2 || p2 > p3) | |
3832 | { | |
3833 | /*older style*/ | |
3834 | p2 = p1; | |
3835 | } | |
3836 | else if (p2 != p1) | |
3837 | { | |
3838 | ts->stop_desc = xmalloc (strlen (line)); | |
3839 | end = hex2bin (p1, ts->stop_desc, (p2 - p1) / 2); | |
3840 | ts->stop_desc[end] = '\0'; | |
3841 | } | |
3842 | else | |
3843 | ts->stop_desc = xstrdup (""); | |
3844 | ||
3845 | p = unpack_varlen_hex (++p2, &val); | |
00bf0b85 SS |
3846 | ts->stop_reason = tstop_command; |
3847 | } | |
33da3f1c SS |
3848 | else if (strncmp (p, stop_reason_names[trace_disconnected], p1 - p) == 0) |
3849 | { | |
3850 | p = unpack_varlen_hex (++p1, &val); | |
3851 | ts->stop_reason = trace_disconnected; | |
3852 | } | |
6c28cbf2 SS |
3853 | else if (strncmp (p, stop_reason_names[tracepoint_error], p1 - p) == 0) |
3854 | { | |
3855 | p2 = strchr (++p1, ':'); | |
3856 | if (p2 != p1) | |
3857 | { | |
f196051f SS |
3858 | ts->stop_desc = xmalloc ((p2 - p1) / 2 + 1); |
3859 | end = hex2bin (p1, ts->stop_desc, (p2 - p1) / 2); | |
3860 | ts->stop_desc[end] = '\0'; | |
6c28cbf2 | 3861 | } |
a609a0c8 | 3862 | else |
f196051f | 3863 | ts->stop_desc = xstrdup (""); |
a609a0c8 | 3864 | |
6c28cbf2 SS |
3865 | p = unpack_varlen_hex (++p2, &val); |
3866 | ts->stopping_tracepoint = val; | |
3867 | ts->stop_reason = tracepoint_error; | |
3868 | } | |
4daf5ac0 | 3869 | else if (strncmp (p, "tframes", p1 - p) == 0) |
00bf0b85 SS |
3870 | { |
3871 | p = unpack_varlen_hex (++p1, &val); | |
3872 | ts->traceframe_count = val; | |
3873 | } | |
4daf5ac0 SS |
3874 | else if (strncmp (p, "tcreated", p1 - p) == 0) |
3875 | { | |
3876 | p = unpack_varlen_hex (++p1, &val); | |
3877 | ts->traceframes_created = val; | |
3878 | } | |
3879 | else if (strncmp (p, "tfree", p1 - p) == 0) | |
00bf0b85 SS |
3880 | { |
3881 | p = unpack_varlen_hex (++p1, &val); | |
3882 | ts->buffer_free = val; | |
3883 | } | |
4daf5ac0 SS |
3884 | else if (strncmp (p, "tsize", p1 - p) == 0) |
3885 | { | |
3886 | p = unpack_varlen_hex (++p1, &val); | |
3887 | ts->buffer_size = val; | |
3888 | } | |
33da3f1c SS |
3889 | else if (strncmp (p, "disconn", p1 - p) == 0) |
3890 | { | |
3891 | p = unpack_varlen_hex (++p1, &val); | |
3892 | ts->disconnected_tracing = val; | |
3893 | } | |
3894 | else if (strncmp (p, "circular", p1 - p) == 0) | |
3895 | { | |
3896 | p = unpack_varlen_hex (++p1, &val); | |
3897 | ts->circular_buffer = val; | |
3898 | } | |
f196051f SS |
3899 | else if (strncmp (p, "starttime", p1 - p) == 0) |
3900 | { | |
3901 | p = unpack_varlen_hex (++p1, &val); | |
3902 | ts->start_time = val; | |
3903 | } | |
3904 | else if (strncmp (p, "stoptime", p1 - p) == 0) | |
3905 | { | |
3906 | p = unpack_varlen_hex (++p1, &val); | |
3907 | ts->stop_time = val; | |
3908 | } | |
3909 | else if (strncmp (p, "username", p1 - p) == 0) | |
3910 | { | |
3911 | ++p1; | |
3912 | ts->user_name = xmalloc (strlen (p) / 2); | |
3913 | end = hex2bin (p1, ts->user_name, (p3 - p1) / 2); | |
3914 | ts->user_name[end] = '\0'; | |
3915 | p = p3; | |
3916 | } | |
3917 | else if (strncmp (p, "notes", p1 - p) == 0) | |
3918 | { | |
3919 | ++p1; | |
3920 | ts->notes = xmalloc (strlen (p) / 2); | |
3921 | end = hex2bin (p1, ts->notes, (p3 - p1) / 2); | |
3922 | ts->notes[end] = '\0'; | |
3923 | p = p3; | |
3924 | } | |
00bf0b85 SS |
3925 | else |
3926 | { | |
3927 | /* Silently skip unknown optional info. */ | |
3928 | p_temp = strchr (p1 + 1, ';'); | |
3929 | if (p_temp) | |
3930 | p = p_temp; | |
3931 | else | |
3932 | /* Must be at the end. */ | |
3933 | break; | |
3934 | } | |
3935 | } | |
3936 | } | |
3937 | ||
f196051f SS |
3938 | void |
3939 | parse_tracepoint_status (char *p, struct breakpoint *bp, | |
3940 | struct uploaded_tp *utp) | |
3941 | { | |
3942 | ULONGEST uval; | |
3943 | struct tracepoint *tp = (struct tracepoint *) bp; | |
3944 | ||
3945 | p = unpack_varlen_hex (p, &uval); | |
3946 | if (tp) | |
3947 | tp->base.hit_count += uval; | |
3948 | else | |
3949 | utp->hit_count += uval; | |
3950 | p = unpack_varlen_hex (p + 1, &uval); | |
3951 | if (tp) | |
3952 | tp->traceframe_usage += uval; | |
3953 | else | |
3954 | utp->traceframe_usage += uval; | |
3955 | /* Ignore any extra, allowing for future extensions. */ | |
3956 | } | |
3957 | ||
409873ef SS |
3958 | /* Given a line of text defining a part of a tracepoint, parse it into |
3959 | an "uploaded tracepoint". */ | |
00bf0b85 SS |
3960 | |
3961 | void | |
3962 | parse_tracepoint_definition (char *line, struct uploaded_tp **utpp) | |
3963 | { | |
3964 | char *p; | |
3965 | char piece; | |
409873ef | 3966 | ULONGEST num, addr, step, pass, orig_size, xlen, start; |
2a2287c7 | 3967 | int enabled, end; |
00bf0b85 | 3968 | enum bptype type; |
2a2287c7 | 3969 | char *cond, *srctype, *buf; |
00bf0b85 SS |
3970 | struct uploaded_tp *utp = NULL; |
3971 | ||
3972 | p = line; | |
3973 | /* Both tracepoint and action definitions start with the same number | |
3974 | and address sequence. */ | |
3975 | piece = *p++; | |
3976 | p = unpack_varlen_hex (p, &num); | |
3977 | p++; /* skip a colon */ | |
3978 | p = unpack_varlen_hex (p, &addr); | |
3979 | p++; /* skip a colon */ | |
3980 | if (piece == 'T') | |
3981 | { | |
3982 | enabled = (*p++ == 'E'); | |
3983 | p++; /* skip a colon */ | |
3984 | p = unpack_varlen_hex (p, &step); | |
3985 | p++; /* skip a colon */ | |
3986 | p = unpack_varlen_hex (p, &pass); | |
3987 | type = bp_tracepoint; | |
3988 | cond = NULL; | |
3989 | /* Thumb through optional fields. */ | |
3990 | while (*p == ':') | |
3991 | { | |
3992 | p++; /* skip a colon */ | |
3993 | if (*p == 'F') | |
3994 | { | |
3995 | type = bp_fast_tracepoint; | |
3996 | p++; | |
3997 | p = unpack_varlen_hex (p, &orig_size); | |
3998 | } | |
0fb4aa4b PA |
3999 | else if (*p == 'S') |
4000 | { | |
4001 | type = bp_static_tracepoint; | |
4002 | p++; | |
4003 | } | |
00bf0b85 SS |
4004 | else if (*p == 'X') |
4005 | { | |
4006 | p++; | |
4007 | p = unpack_varlen_hex (p, &xlen); | |
4008 | p++; /* skip a comma */ | |
4009 | cond = (char *) xmalloc (2 * xlen + 1); | |
4010 | strncpy (cond, p, 2 * xlen); | |
4011 | cond[2 * xlen] = '\0'; | |
4012 | p += 2 * xlen; | |
4013 | } | |
4014 | else | |
3e43a32a MS |
4015 | warning (_("Unrecognized char '%c' in tracepoint " |
4016 | "definition, skipping rest"), *p); | |
00bf0b85 SS |
4017 | } |
4018 | utp = get_uploaded_tp (num, addr, utpp); | |
4019 | utp->type = type; | |
4020 | utp->enabled = enabled; | |
4021 | utp->step = step; | |
4022 | utp->pass = pass; | |
4023 | utp->cond = cond; | |
4024 | } | |
4025 | else if (piece == 'A') | |
4026 | { | |
4027 | utp = get_uploaded_tp (num, addr, utpp); | |
3149d8c1 | 4028 | VEC_safe_push (char_ptr, utp->actions, xstrdup (p)); |
00bf0b85 SS |
4029 | } |
4030 | else if (piece == 'S') | |
4031 | { | |
4032 | utp = get_uploaded_tp (num, addr, utpp); | |
3149d8c1 | 4033 | VEC_safe_push (char_ptr, utp->step_actions, xstrdup (p)); |
00bf0b85 | 4034 | } |
409873ef SS |
4035 | else if (piece == 'Z') |
4036 | { | |
4037 | /* Parse a chunk of source form definition. */ | |
4038 | utp = get_uploaded_tp (num, addr, utpp); | |
4039 | srctype = p; | |
4040 | p = strchr (p, ':'); | |
4041 | p++; /* skip a colon */ | |
4042 | p = unpack_varlen_hex (p, &start); | |
4043 | p++; /* skip a colon */ | |
4044 | p = unpack_varlen_hex (p, &xlen); | |
4045 | p++; /* skip a colon */ | |
4046 | ||
4047 | buf = alloca (strlen (line)); | |
4048 | ||
4049 | end = hex2bin (p, (gdb_byte *) buf, strlen (p) / 2); | |
4050 | buf[end] = '\0'; | |
4051 | ||
4052 | if (strncmp (srctype, "at:", strlen ("at:")) == 0) | |
4053 | utp->at_string = xstrdup (buf); | |
4054 | else if (strncmp (srctype, "cond:", strlen ("cond:")) == 0) | |
4055 | utp->cond_string = xstrdup (buf); | |
4056 | else if (strncmp (srctype, "cmd:", strlen ("cmd:")) == 0) | |
3149d8c1 | 4057 | VEC_safe_push (char_ptr, utp->cmd_strings, xstrdup (buf)); |
409873ef | 4058 | } |
f196051f SS |
4059 | else if (piece == 'V') |
4060 | { | |
4061 | utp = get_uploaded_tp (num, addr, utpp); | |
4062 | ||
4063 | parse_tracepoint_status (p, NULL, utp); | |
4064 | } | |
00bf0b85 SS |
4065 | else |
4066 | { | |
409873ef SS |
4067 | /* Don't error out, the target might be sending us optional |
4068 | info that we don't care about. */ | |
4069 | warning (_("Unrecognized tracepoint piece '%c', ignoring"), piece); | |
00bf0b85 SS |
4070 | } |
4071 | } | |
4072 | ||
4073 | /* Convert a textual description of a trace state variable into an | |
4074 | uploaded object. */ | |
4075 | ||
4076 | void | |
4077 | parse_tsv_definition (char *line, struct uploaded_tsv **utsvp) | |
4078 | { | |
4079 | char *p, *buf; | |
4080 | ULONGEST num, initval, builtin; | |
4081 | int end; | |
4082 | struct uploaded_tsv *utsv = NULL; | |
4083 | ||
4084 | buf = alloca (strlen (line)); | |
4085 | ||
4086 | p = line; | |
4087 | p = unpack_varlen_hex (p, &num); | |
4088 | p++; /* skip a colon */ | |
4089 | p = unpack_varlen_hex (p, &initval); | |
4090 | p++; /* skip a colon */ | |
4091 | p = unpack_varlen_hex (p, &builtin); | |
4092 | p++; /* skip a colon */ | |
4093 | end = hex2bin (p, (gdb_byte *) buf, strlen (p) / 2); | |
4094 | buf[end] = '\0'; | |
4095 | ||
4096 | utsv = get_uploaded_tsv (num, utsvp); | |
4097 | utsv->initial_value = initval; | |
4098 | utsv->builtin = builtin; | |
4099 | utsv->name = xstrdup (buf); | |
4100 | } | |
4101 | ||
4102 | /* Close the trace file and generally clean up. */ | |
4103 | ||
4104 | static void | |
4105 | tfile_close (int quitting) | |
4106 | { | |
4107 | int pid; | |
4108 | ||
4109 | if (trace_fd < 0) | |
4110 | return; | |
4111 | ||
4112 | pid = ptid_get_pid (inferior_ptid); | |
c378eb4e | 4113 | inferior_ptid = null_ptid; /* Avoid confusion from thread stuff. */ |
00bf0b85 SS |
4114 | exit_inferior_silent (pid); |
4115 | ||
4116 | close (trace_fd); | |
4117 | trace_fd = -1; | |
e93a69ed PA |
4118 | xfree (trace_filename); |
4119 | trace_filename = NULL; | |
00bf0b85 SS |
4120 | } |
4121 | ||
4122 | static void | |
4123 | tfile_files_info (struct target_ops *t) | |
4124 | { | |
c378eb4e | 4125 | /* (it would be useful to mention the name of the file). */ |
00bf0b85 SS |
4126 | printf_filtered ("Looking at a trace file.\n"); |
4127 | } | |
4128 | ||
4129 | /* The trace status for a file is that tracing can never be run. */ | |
4130 | ||
4131 | static int | |
4132 | tfile_get_trace_status (struct trace_status *ts) | |
4133 | { | |
4134 | /* Other bits of trace status were collected as part of opening the | |
4135 | trace files, so nothing to do here. */ | |
4136 | ||
4137 | return -1; | |
4138 | } | |
4139 | ||
f196051f SS |
4140 | static void |
4141 | tfile_get_tracepoint_status (struct breakpoint *tp, struct uploaded_tp *utp) | |
4142 | { | |
4143 | /* Other bits of trace status were collected as part of opening the | |
4144 | trace files, so nothing to do here. */ | |
4145 | } | |
4146 | ||
00bf0b85 SS |
4147 | /* Given the position of a traceframe in the file, figure out what |
4148 | address the frame was collected at. This would normally be the | |
4149 | value of a collected PC register, but if not available, we | |
4150 | improvise. */ | |
4151 | ||
4152 | static ULONGEST | |
4153 | tfile_get_traceframe_address (off_t tframe_offset) | |
4154 | { | |
4155 | ULONGEST addr = 0; | |
4156 | short tpnum; | |
d9b3f62e | 4157 | struct tracepoint *tp; |
00bf0b85 SS |
4158 | off_t saved_offset = cur_offset; |
4159 | ||
c378eb4e | 4160 | /* FIXME dig pc out of collected registers. */ |
00bf0b85 SS |
4161 | |
4162 | /* Fall back to using tracepoint address. */ | |
4163 | lseek (trace_fd, tframe_offset, SEEK_SET); | |
9f41c731 | 4164 | tfile_read ((gdb_byte *) &tpnum, 2); |
8991e9fa HZ |
4165 | tpnum = (short) extract_signed_integer ((gdb_byte *) &tpnum, 2, |
4166 | gdbarch_byte_order | |
4167 | (target_gdbarch)); | |
98e03262 | 4168 | |
00bf0b85 | 4169 | tp = get_tracepoint_by_number_on_target (tpnum); |
c378eb4e | 4170 | /* FIXME this is a poor heuristic if multiple locations. */ |
d9b3f62e PA |
4171 | if (tp && tp->base.loc) |
4172 | addr = tp->base.loc->address; | |
00bf0b85 SS |
4173 | |
4174 | /* Restore our seek position. */ | |
4175 | cur_offset = saved_offset; | |
4176 | lseek (trace_fd, cur_offset, SEEK_SET); | |
4177 | return addr; | |
4178 | } | |
4179 | ||
e6e4e701 PA |
4180 | /* Make tfile's selected traceframe match GDB's selected |
4181 | traceframe. */ | |
4182 | ||
4183 | static void | |
4184 | set_tfile_traceframe (void) | |
4185 | { | |
4186 | int newnum; | |
4187 | ||
4188 | if (cur_traceframe_number == get_traceframe_number ()) | |
4189 | return; | |
4190 | ||
4191 | /* Avoid recursion, tfile_trace_find calls us again. */ | |
4192 | cur_traceframe_number = get_traceframe_number (); | |
4193 | ||
4194 | newnum = target_trace_find (tfind_number, | |
4195 | get_traceframe_number (), 0, 0, NULL); | |
4196 | ||
4197 | /* Should not happen. If it does, all bets are off. */ | |
4198 | if (newnum != get_traceframe_number ()) | |
4199 | warning (_("could not set tfile's traceframe")); | |
4200 | } | |
4201 | ||
00bf0b85 SS |
4202 | /* Given a type of search and some parameters, scan the collection of |
4203 | traceframes in the file looking for a match. When found, return | |
4204 | both the traceframe and tracepoint number, otherwise -1 for | |
4205 | each. */ | |
4206 | ||
4207 | static int | |
4208 | tfile_trace_find (enum trace_find_type type, int num, | |
4209 | ULONGEST addr1, ULONGEST addr2, int *tpp) | |
4210 | { | |
4211 | short tpnum; | |
9f41c731 | 4212 | int tfnum = 0, found = 0; |
8991e9fa | 4213 | unsigned int data_size; |
d9b3f62e | 4214 | struct tracepoint *tp; |
00bf0b85 SS |
4215 | off_t offset, tframe_offset; |
4216 | ULONGEST tfaddr; | |
4217 | ||
e6e4e701 PA |
4218 | /* Lookups other than by absolute frame number depend on the current |
4219 | trace selected, so make sure it is correct on the tfile end | |
4220 | first. */ | |
4221 | if (type != tfind_number) | |
4222 | set_tfile_traceframe (); | |
fb80a3c5 HZ |
4223 | else if (num == -1) |
4224 | { | |
4225 | if (tpp) | |
4226 | *tpp = -1; | |
4227 | return -1; | |
4228 | } | |
e6e4e701 | 4229 | |
00bf0b85 SS |
4230 | lseek (trace_fd, trace_frames_offset, SEEK_SET); |
4231 | offset = trace_frames_offset; | |
4232 | while (1) | |
4233 | { | |
4234 | tframe_offset = offset; | |
9f41c731 | 4235 | tfile_read ((gdb_byte *) &tpnum, 2); |
8991e9fa HZ |
4236 | tpnum = (short) extract_signed_integer ((gdb_byte *) &tpnum, 2, |
4237 | gdbarch_byte_order | |
4238 | (target_gdbarch)); | |
00bf0b85 SS |
4239 | offset += 2; |
4240 | if (tpnum == 0) | |
4241 | break; | |
9f41c731 | 4242 | tfile_read ((gdb_byte *) &data_size, 4); |
8991e9fa HZ |
4243 | data_size = (unsigned int) extract_unsigned_integer |
4244 | ((gdb_byte *) &data_size, 4, | |
4245 | gdbarch_byte_order (target_gdbarch)); | |
00bf0b85 SS |
4246 | offset += 4; |
4247 | switch (type) | |
4248 | { | |
4249 | case tfind_number: | |
4250 | if (tfnum == num) | |
4251 | found = 1; | |
4252 | break; | |
4253 | case tfind_pc: | |
4254 | tfaddr = tfile_get_traceframe_address (tframe_offset); | |
4255 | if (tfaddr == addr1) | |
4256 | found = 1; | |
4257 | break; | |
4258 | case tfind_tp: | |
4259 | tp = get_tracepoint (num); | |
4260 | if (tp && tpnum == tp->number_on_target) | |
4261 | found = 1; | |
4262 | break; | |
4263 | case tfind_range: | |
4264 | tfaddr = tfile_get_traceframe_address (tframe_offset); | |
4265 | if (addr1 <= tfaddr && tfaddr <= addr2) | |
4266 | found = 1; | |
4267 | break; | |
4268 | case tfind_outside: | |
4269 | tfaddr = tfile_get_traceframe_address (tframe_offset); | |
4270 | if (!(addr1 <= tfaddr && tfaddr <= addr2)) | |
4271 | found = 1; | |
4272 | break; | |
4273 | default: | |
4274 | internal_error (__FILE__, __LINE__, _("unknown tfind type")); | |
4275 | } | |
4276 | if (found) | |
4277 | { | |
00bf0b85 SS |
4278 | if (tpp) |
4279 | *tpp = tpnum; | |
4280 | cur_offset = offset; | |
4281 | cur_data_size = data_size; | |
e6e4e701 | 4282 | cur_traceframe_number = tfnum; |
00bf0b85 SS |
4283 | return tfnum; |
4284 | } | |
4285 | /* Skip past the traceframe's data. */ | |
4286 | lseek (trace_fd, data_size, SEEK_CUR); | |
4287 | offset += data_size; | |
4288 | /* Update our own count of traceframes. */ | |
4289 | ++tfnum; | |
4290 | } | |
4291 | /* Did not find what we were looking for. */ | |
4292 | if (tpp) | |
4293 | *tpp = -1; | |
4294 | return -1; | |
4295 | } | |
4296 | ||
9f41c731 PA |
4297 | /* Prototype of the callback passed to tframe_walk_blocks. */ |
4298 | typedef int (*walk_blocks_callback_func) (char blocktype, void *data); | |
4299 | ||
4300 | /* Callback for traceframe_walk_blocks, used to find a given block | |
4301 | type in a traceframe. */ | |
4302 | ||
4303 | static int | |
4304 | match_blocktype (char blocktype, void *data) | |
4305 | { | |
4306 | char *wantedp = data; | |
4307 | ||
4308 | if (*wantedp == blocktype) | |
4309 | return 1; | |
4310 | ||
4311 | return 0; | |
4312 | } | |
4313 | ||
4314 | /* Walk over all traceframe block starting at POS offset from | |
4315 | CUR_OFFSET, and call CALLBACK for each block found, passing in DATA | |
4316 | unmodified. If CALLBACK returns true, this returns the position in | |
4317 | the traceframe where the block is found, relative to the start of | |
4318 | the traceframe (cur_offset). Returns -1 if no callback call | |
4319 | returned true, indicating that all blocks have been walked. */ | |
4320 | ||
4321 | static int | |
4322 | traceframe_walk_blocks (walk_blocks_callback_func callback, | |
4323 | int pos, void *data) | |
4324 | { | |
4325 | /* Iterate through a traceframe's blocks, looking for a block of the | |
4326 | requested type. */ | |
4327 | ||
4328 | lseek (trace_fd, cur_offset + pos, SEEK_SET); | |
4329 | while (pos < cur_data_size) | |
4330 | { | |
4331 | unsigned short mlen; | |
4332 | char block_type; | |
4333 | ||
4334 | tfile_read (&block_type, 1); | |
4335 | ||
4336 | ++pos; | |
4337 | ||
4338 | if ((*callback) (block_type, data)) | |
4339 | return pos; | |
4340 | ||
4341 | switch (block_type) | |
4342 | { | |
4343 | case 'R': | |
4344 | lseek (trace_fd, cur_offset + pos + trace_regblock_size, SEEK_SET); | |
4345 | pos += trace_regblock_size; | |
4346 | break; | |
4347 | case 'M': | |
4348 | lseek (trace_fd, cur_offset + pos + 8, SEEK_SET); | |
4349 | tfile_read ((gdb_byte *) &mlen, 2); | |
4350 | mlen = (unsigned short) | |
4351 | extract_unsigned_integer ((gdb_byte *) &mlen, 2, | |
4352 | gdbarch_byte_order | |
4353 | (target_gdbarch)); | |
4354 | lseek (trace_fd, mlen, SEEK_CUR); | |
4355 | pos += (8 + 2 + mlen); | |
4356 | break; | |
4357 | case 'V': | |
4358 | lseek (trace_fd, cur_offset + pos + 4 + 8, SEEK_SET); | |
4359 | pos += (4 + 8); | |
4360 | break; | |
4361 | default: | |
c2f0d045 | 4362 | error (_("Unknown block type '%c' (0x%x) in trace frame"), |
9f41c731 PA |
4363 | block_type, block_type); |
4364 | break; | |
4365 | } | |
4366 | } | |
4367 | ||
4368 | return -1; | |
4369 | } | |
4370 | ||
4371 | /* Convenience wrapper around traceframe_walk_blocks. Looks for the | |
4372 | position offset of a block of type TYPE_WANTED in the current trace | |
4373 | frame, starting at POS. Returns -1 if no such block was found. */ | |
4374 | ||
4375 | static int | |
4376 | traceframe_find_block_type (char type_wanted, int pos) | |
4377 | { | |
4378 | return traceframe_walk_blocks (match_blocktype, pos, &type_wanted); | |
4379 | } | |
4380 | ||
00bf0b85 SS |
4381 | /* Look for a block of saved registers in the traceframe, and get the |
4382 | requested register from it. */ | |
4383 | ||
4384 | static void | |
4385 | tfile_fetch_registers (struct target_ops *ops, | |
4386 | struct regcache *regcache, int regno) | |
4387 | { | |
4388 | struct gdbarch *gdbarch = get_regcache_arch (regcache); | |
4389 | char block_type; | |
9f41c731 | 4390 | int pos, offset, regn, regsize, pc_regno; |
00bf0b85 SS |
4391 | unsigned short mlen; |
4392 | char *regs; | |
4393 | ||
4394 | /* An uninitialized reg size says we're not going to be | |
4395 | successful at getting register blocks. */ | |
4396 | if (!trace_regblock_size) | |
4397 | return; | |
4398 | ||
e6e4e701 PA |
4399 | set_tfile_traceframe (); |
4400 | ||
00bf0b85 SS |
4401 | regs = alloca (trace_regblock_size); |
4402 | ||
9f41c731 | 4403 | if (traceframe_find_block_type ('R', 0) >= 0) |
00bf0b85 | 4404 | { |
9f41c731 | 4405 | tfile_read (regs, trace_regblock_size); |
98e03262 | 4406 | |
9f41c731 PA |
4407 | /* Assume the block is laid out in GDB register number order, |
4408 | each register with the size that it has in GDB. */ | |
4409 | offset = 0; | |
4410 | for (regn = 0; regn < gdbarch_num_regs (gdbarch); regn++) | |
00bf0b85 | 4411 | { |
9f41c731 PA |
4412 | regsize = register_size (gdbarch, regn); |
4413 | /* Make sure we stay within block bounds. */ | |
4414 | if (offset + regsize >= trace_regblock_size) | |
4415 | break; | |
4416 | if (regcache_register_status (regcache, regn) == REG_UNKNOWN) | |
00bf0b85 | 4417 | { |
9f41c731 | 4418 | if (regno == regn) |
00bf0b85 | 4419 | { |
9f41c731 PA |
4420 | regcache_raw_supply (regcache, regno, regs + offset); |
4421 | break; | |
4422 | } | |
4423 | else if (regno == -1) | |
4424 | { | |
4425 | regcache_raw_supply (regcache, regn, regs + offset); | |
00bf0b85 | 4426 | } |
00bf0b85 | 4427 | } |
9f41c731 | 4428 | offset += regsize; |
00bf0b85 | 4429 | } |
9f41c731 | 4430 | return; |
00bf0b85 | 4431 | } |
af54718e | 4432 | |
9f41c731 PA |
4433 | /* We get here if no register data has been found. Mark registers |
4434 | as unavailable. */ | |
af54718e SS |
4435 | for (regn = 0; regn < gdbarch_num_regs (gdbarch); regn++) |
4436 | regcache_raw_supply (regcache, regn, NULL); | |
4437 | ||
4438 | /* We can often usefully guess that the PC is going to be the same | |
4439 | as the address of the tracepoint. */ | |
4440 | pc_regno = gdbarch_pc_regnum (gdbarch); | |
4441 | if (pc_regno >= 0 && (regno == -1 || regno == pc_regno)) | |
4442 | { | |
d9b3f62e | 4443 | struct tracepoint *tp = get_tracepoint (tracepoint_number); |
af54718e | 4444 | |
d9b3f62e | 4445 | if (tp && tp->base.loc) |
af54718e SS |
4446 | { |
4447 | /* But don't try to guess if tracepoint is multi-location... */ | |
d9b3f62e | 4448 | if (tp->base.loc->next) |
af54718e | 4449 | { |
a73c6dcd MS |
4450 | warning (_("Tracepoint %d has multiple " |
4451 | "locations, cannot infer $pc"), | |
d9b3f62e | 4452 | tp->base.number); |
af54718e SS |
4453 | return; |
4454 | } | |
4455 | /* ... or does while-stepping. */ | |
4456 | if (tp->step_count > 0) | |
4457 | { | |
a73c6dcd MS |
4458 | warning (_("Tracepoint %d does while-stepping, " |
4459 | "cannot infer $pc"), | |
d9b3f62e | 4460 | tp->base.number); |
af54718e SS |
4461 | return; |
4462 | } | |
4463 | ||
4464 | store_unsigned_integer (regs, register_size (gdbarch, pc_regno), | |
4465 | gdbarch_byte_order (gdbarch), | |
d9b3f62e | 4466 | tp->base.loc->address); |
af54718e SS |
4467 | regcache_raw_supply (regcache, pc_regno, regs); |
4468 | } | |
4469 | } | |
00bf0b85 SS |
4470 | } |
4471 | ||
4472 | static LONGEST | |
4473 | tfile_xfer_partial (struct target_ops *ops, enum target_object object, | |
4474 | const char *annex, gdb_byte *readbuf, | |
4475 | const gdb_byte *writebuf, ULONGEST offset, LONGEST len) | |
4476 | { | |
00bf0b85 SS |
4477 | /* We're only doing regular memory for now. */ |
4478 | if (object != TARGET_OBJECT_MEMORY) | |
4479 | return -1; | |
4480 | ||
4481 | if (readbuf == NULL) | |
a73c6dcd | 4482 | error (_("tfile_xfer_partial: trace file is read-only")); |
00bf0b85 | 4483 | |
e6e4e701 PA |
4484 | set_tfile_traceframe (); |
4485 | ||
4486 | if (traceframe_number != -1) | |
00bf0b85 | 4487 | { |
ffd5ec24 | 4488 | int pos = 0; |
9f41c731 | 4489 | |
ffd5ec24 PA |
4490 | /* Iterate through the traceframe's blocks, looking for |
4491 | memory. */ | |
4492 | while ((pos = traceframe_find_block_type ('M', pos)) >= 0) | |
00bf0b85 | 4493 | { |
ffd5ec24 PA |
4494 | ULONGEST maddr, amt; |
4495 | unsigned short mlen; | |
4496 | enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch); | |
fce3c1f0 | 4497 | |
ffd5ec24 PA |
4498 | tfile_read ((gdb_byte *) &maddr, 8); |
4499 | maddr = extract_unsigned_integer ((gdb_byte *) &maddr, 8, | |
4500 | byte_order); | |
4501 | tfile_read ((gdb_byte *) &mlen, 2); | |
4502 | mlen = (unsigned short) | |
4503 | extract_unsigned_integer ((gdb_byte *) &mlen, 2, byte_order); | |
4504 | ||
4505 | /* If the block includes the first part of the desired | |
4506 | range, return as much it has; GDB will re-request the | |
4507 | remainder, which might be in a different block of this | |
4508 | trace frame. */ | |
4509 | if (maddr <= offset && offset < (maddr + mlen)) | |
4510 | { | |
4511 | amt = (maddr + mlen) - offset; | |
4512 | if (amt > len) | |
4513 | amt = len; | |
4514 | ||
4515 | tfile_read (readbuf, amt); | |
4516 | return amt; | |
4517 | } | |
9f41c731 | 4518 | |
ffd5ec24 PA |
4519 | /* Skip over this block. */ |
4520 | pos += (8 + 2 + mlen); | |
4521 | } | |
00bf0b85 | 4522 | } |
fce3c1f0 SS |
4523 | |
4524 | /* It's unduly pedantic to refuse to look at the executable for | |
4525 | read-only pieces; so do the equivalent of readonly regions aka | |
4526 | QTro packet. */ | |
c378eb4e | 4527 | /* FIXME account for relocation at some point. */ |
fce3c1f0 SS |
4528 | if (exec_bfd) |
4529 | { | |
4530 | asection *s; | |
4531 | bfd_size_type size; | |
2209c807 | 4532 | bfd_vma vma; |
fce3c1f0 SS |
4533 | |
4534 | for (s = exec_bfd->sections; s; s = s->next) | |
4535 | { | |
9f41c731 PA |
4536 | if ((s->flags & SEC_LOAD) == 0 |
4537 | || (s->flags & SEC_READONLY) == 0) | |
fce3c1f0 SS |
4538 | continue; |
4539 | ||
2209c807 | 4540 | vma = s->vma; |
fce3c1f0 | 4541 | size = bfd_get_section_size (s); |
2209c807 | 4542 | if (vma <= offset && offset < (vma + size)) |
fce3c1f0 | 4543 | { |
9f41c731 PA |
4544 | ULONGEST amt; |
4545 | ||
2209c807 | 4546 | amt = (vma + size) - offset; |
fce3c1f0 SS |
4547 | if (amt > len) |
4548 | amt = len; | |
4549 | ||
4550 | amt = bfd_get_section_contents (exec_bfd, s, | |
2209c807 | 4551 | readbuf, offset - vma, amt); |
fce3c1f0 SS |
4552 | return amt; |
4553 | } | |
4554 | } | |
4555 | } | |
4556 | ||
00bf0b85 SS |
4557 | /* Indicate failure to find the requested memory block. */ |
4558 | return -1; | |
4559 | } | |
4560 | ||
4561 | /* Iterate through the blocks of a trace frame, looking for a 'V' | |
4562 | block with a matching tsv number. */ | |
4563 | ||
4564 | static int | |
4565 | tfile_get_trace_state_variable_value (int tsvnum, LONGEST *val) | |
4566 | { | |
9f41c731 | 4567 | int pos; |
00bf0b85 | 4568 | |
e6e4e701 PA |
4569 | set_tfile_traceframe (); |
4570 | ||
00bf0b85 | 4571 | pos = 0; |
9f41c731 | 4572 | while ((pos = traceframe_find_block_type ('V', pos)) >= 0) |
00bf0b85 | 4573 | { |
9f41c731 PA |
4574 | int vnum; |
4575 | ||
4576 | tfile_read ((gdb_byte *) &vnum, 4); | |
4577 | vnum = (int) extract_signed_integer ((gdb_byte *) &vnum, 4, | |
8991e9fa | 4578 | gdbarch_byte_order |
9f41c731 PA |
4579 | (target_gdbarch)); |
4580 | if (tsvnum == vnum) | |
4581 | { | |
4582 | tfile_read ((gdb_byte *) val, 8); | |
4583 | *val = extract_signed_integer ((gdb_byte *) val, 8, | |
4584 | gdbarch_byte_order | |
4585 | (target_gdbarch)); | |
4586 | return 1; | |
00bf0b85 | 4587 | } |
9f41c731 | 4588 | pos += (4 + 8); |
00bf0b85 | 4589 | } |
9f41c731 | 4590 | |
00bf0b85 SS |
4591 | /* Didn't find anything. */ |
4592 | return 0; | |
4593 | } | |
4594 | ||
fce3c1f0 SS |
4595 | static int |
4596 | tfile_has_all_memory (struct target_ops *ops) | |
4597 | { | |
4598 | return 1; | |
4599 | } | |
4600 | ||
00bf0b85 SS |
4601 | static int |
4602 | tfile_has_memory (struct target_ops *ops) | |
4603 | { | |
4604 | return 1; | |
4605 | } | |
4606 | ||
4607 | static int | |
4608 | tfile_has_stack (struct target_ops *ops) | |
4609 | { | |
ffd5ec24 | 4610 | return traceframe_number != -1; |
00bf0b85 SS |
4611 | } |
4612 | ||
4613 | static int | |
4614 | tfile_has_registers (struct target_ops *ops) | |
4615 | { | |
ffd5ec24 | 4616 | return traceframe_number != -1; |
00bf0b85 SS |
4617 | } |
4618 | ||
e93a69ed PA |
4619 | static int |
4620 | tfile_thread_alive (struct target_ops *ops, ptid_t ptid) | |
4621 | { | |
4622 | return 1; | |
4623 | } | |
4624 | ||
b3b9301e PA |
4625 | /* Callback for traceframe_walk_blocks. Builds a traceframe_info |
4626 | object for the tfile target's current traceframe. */ | |
4627 | ||
4628 | static int | |
4629 | build_traceframe_info (char blocktype, void *data) | |
4630 | { | |
4631 | struct traceframe_info *info = data; | |
4632 | ||
4633 | switch (blocktype) | |
4634 | { | |
4635 | case 'M': | |
4636 | { | |
4637 | struct mem_range *r; | |
4638 | ULONGEST maddr; | |
4639 | unsigned short mlen; | |
4640 | ||
4641 | tfile_read ((gdb_byte *) &maddr, 8); | |
4642 | tfile_read ((gdb_byte *) &mlen, 2); | |
4643 | ||
4644 | r = VEC_safe_push (mem_range_s, info->memory, NULL); | |
4645 | ||
4646 | r->start = maddr; | |
4647 | r->length = mlen; | |
4648 | break; | |
4649 | } | |
4650 | case 'V': | |
4651 | case 'R': | |
4652 | case 'S': | |
4653 | { | |
4654 | break; | |
4655 | } | |
4656 | default: | |
4657 | warning (_("Unhandled trace block type (%d) '%c ' " | |
4658 | "while building trace frame info."), | |
4659 | blocktype, blocktype); | |
4660 | break; | |
4661 | } | |
4662 | ||
4663 | return 0; | |
4664 | } | |
4665 | ||
4666 | static struct traceframe_info * | |
4667 | tfile_traceframe_info (void) | |
4668 | { | |
4669 | struct traceframe_info *info = XCNEW (struct traceframe_info); | |
4670 | ||
4671 | traceframe_walk_blocks (build_traceframe_info, 0, info); | |
4672 | return info; | |
4673 | } | |
4674 | ||
00bf0b85 SS |
4675 | static void |
4676 | init_tfile_ops (void) | |
4677 | { | |
4678 | tfile_ops.to_shortname = "tfile"; | |
4679 | tfile_ops.to_longname = "Local trace dump file"; | |
3e43a32a MS |
4680 | tfile_ops.to_doc |
4681 | = "Use a trace file as a target. Specify the filename of the trace file."; | |
00bf0b85 SS |
4682 | tfile_ops.to_open = tfile_open; |
4683 | tfile_ops.to_close = tfile_close; | |
4684 | tfile_ops.to_fetch_registers = tfile_fetch_registers; | |
4685 | tfile_ops.to_xfer_partial = tfile_xfer_partial; | |
4686 | tfile_ops.to_files_info = tfile_files_info; | |
4687 | tfile_ops.to_get_trace_status = tfile_get_trace_status; | |
f196051f | 4688 | tfile_ops.to_get_tracepoint_status = tfile_get_tracepoint_status; |
00bf0b85 | 4689 | tfile_ops.to_trace_find = tfile_trace_find; |
3e43a32a MS |
4690 | tfile_ops.to_get_trace_state_variable_value |
4691 | = tfile_get_trace_state_variable_value; | |
00bf0b85 | 4692 | tfile_ops.to_stratum = process_stratum; |
fce3c1f0 | 4693 | tfile_ops.to_has_all_memory = tfile_has_all_memory; |
00bf0b85 SS |
4694 | tfile_ops.to_has_memory = tfile_has_memory; |
4695 | tfile_ops.to_has_stack = tfile_has_stack; | |
4696 | tfile_ops.to_has_registers = tfile_has_registers; | |
b3b9301e | 4697 | tfile_ops.to_traceframe_info = tfile_traceframe_info; |
e93a69ed | 4698 | tfile_ops.to_thread_alive = tfile_thread_alive; |
00bf0b85 SS |
4699 | tfile_ops.to_magic = OPS_MAGIC; |
4700 | } | |
4701 | ||
0fb4aa4b PA |
4702 | /* Given a line of text defining a static tracepoint marker, parse it |
4703 | into a "static tracepoint marker" object. Throws an error is | |
4704 | parsing fails. If PP is non-null, it points to one past the end of | |
4705 | the parsed marker definition. */ | |
4706 | ||
4707 | void | |
4708 | parse_static_tracepoint_marker_definition (char *line, char **pp, | |
4709 | struct static_tracepoint_marker *marker) | |
4710 | { | |
4711 | char *p, *endp; | |
4712 | ULONGEST addr; | |
4713 | int end; | |
4714 | ||
4715 | p = line; | |
4716 | p = unpack_varlen_hex (p, &addr); | |
4717 | p++; /* skip a colon */ | |
4718 | ||
4719 | marker->gdbarch = target_gdbarch; | |
4720 | marker->address = (CORE_ADDR) addr; | |
4721 | ||
4722 | endp = strchr (p, ':'); | |
4723 | if (endp == NULL) | |
74232302 | 4724 | error (_("bad marker definition: %s"), line); |
0fb4aa4b PA |
4725 | |
4726 | marker->str_id = xmalloc (endp - p + 1); | |
4727 | end = hex2bin (p, (gdb_byte *) marker->str_id, (endp - p + 1) / 2); | |
4728 | marker->str_id[end] = '\0'; | |
4729 | ||
4730 | p += 2 * end; | |
4731 | p++; /* skip a colon */ | |
4732 | ||
4733 | marker->extra = xmalloc (strlen (p) + 1); | |
4734 | end = hex2bin (p, (gdb_byte *) marker->extra, strlen (p) / 2); | |
4735 | marker->extra[end] = '\0'; | |
4736 | ||
4737 | if (pp) | |
4738 | *pp = p; | |
4739 | } | |
4740 | ||
4741 | /* Release a static tracepoint marker's contents. Note that the | |
4742 | object itself isn't released here. There objects are usually on | |
4743 | the stack. */ | |
4744 | ||
4745 | void | |
4746 | release_static_tracepoint_marker (struct static_tracepoint_marker *marker) | |
4747 | { | |
4748 | xfree (marker->str_id); | |
4749 | marker->str_id = NULL; | |
4750 | } | |
4751 | ||
4752 | /* Print MARKER to gdb_stdout. */ | |
4753 | ||
4754 | static void | |
4755 | print_one_static_tracepoint_marker (int count, | |
4756 | struct static_tracepoint_marker *marker) | |
4757 | { | |
4758 | struct command_line *l; | |
4759 | struct symbol *sym; | |
4760 | ||
4761 | char wrap_indent[80]; | |
4762 | char extra_field_indent[80]; | |
79a45e25 | 4763 | struct ui_out *uiout = current_uiout; |
0fb4aa4b PA |
4764 | struct ui_stream *stb = ui_out_stream_new (uiout); |
4765 | struct cleanup *old_chain = make_cleanup_ui_out_stream_delete (stb); | |
4766 | struct cleanup *bkpt_chain; | |
4767 | VEC(breakpoint_p) *tracepoints; | |
4768 | ||
4769 | struct symtab_and_line sal; | |
4770 | ||
4771 | init_sal (&sal); | |
4772 | ||
4773 | sal.pc = marker->address; | |
4774 | ||
4775 | tracepoints = static_tracepoints_here (marker->address); | |
4776 | ||
4777 | bkpt_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "marker"); | |
4778 | ||
4779 | /* A counter field to help readability. This is not a stable | |
4780 | identifier! */ | |
4781 | ui_out_field_int (uiout, "count", count); | |
4782 | ||
4783 | ui_out_field_string (uiout, "marker-id", marker->str_id); | |
4784 | ||
4785 | ui_out_field_fmt (uiout, "enabled", "%c", | |
4786 | !VEC_empty (breakpoint_p, tracepoints) ? 'y' : 'n'); | |
4787 | ui_out_spaces (uiout, 2); | |
4788 | ||
4789 | strcpy (wrap_indent, " "); | |
4790 | ||
4791 | if (gdbarch_addr_bit (marker->gdbarch) <= 32) | |
4792 | strcat (wrap_indent, " "); | |
4793 | else | |
4794 | strcat (wrap_indent, " "); | |
4795 | ||
4796 | strcpy (extra_field_indent, " "); | |
4797 | ||
4798 | ui_out_field_core_addr (uiout, "addr", marker->gdbarch, marker->address); | |
4799 | ||
4800 | sal = find_pc_line (marker->address, 0); | |
4801 | sym = find_pc_sect_function (marker->address, NULL); | |
4802 | if (sym) | |
4803 | { | |
4804 | ui_out_text (uiout, "in "); | |
4805 | ui_out_field_string (uiout, "func", | |
4806 | SYMBOL_PRINT_NAME (sym)); | |
4807 | ui_out_wrap_hint (uiout, wrap_indent); | |
4808 | ui_out_text (uiout, " at "); | |
4809 | } | |
4810 | else | |
4811 | ui_out_field_skip (uiout, "func"); | |
4812 | ||
4813 | if (sal.symtab != NULL) | |
4814 | { | |
4815 | ui_out_field_string (uiout, "file", sal.symtab->filename); | |
4816 | ui_out_text (uiout, ":"); | |
4817 | ||
4818 | if (ui_out_is_mi_like_p (uiout)) | |
4819 | { | |
4820 | char *fullname = symtab_to_fullname (sal.symtab); | |
4821 | ||
4822 | if (fullname) | |
4823 | ui_out_field_string (uiout, "fullname", fullname); | |
4824 | } | |
4825 | else | |
4826 | ui_out_field_skip (uiout, "fullname"); | |
4827 | ||
4828 | ui_out_field_int (uiout, "line", sal.line); | |
4829 | } | |
4830 | else | |
4831 | { | |
4832 | ui_out_field_skip (uiout, "fullname"); | |
4833 | ui_out_field_skip (uiout, "line"); | |
4834 | } | |
4835 | ||
4836 | ui_out_text (uiout, "\n"); | |
4837 | ui_out_text (uiout, extra_field_indent); | |
4838 | ui_out_text (uiout, _("Data: \"")); | |
4839 | ui_out_field_string (uiout, "extra-data", marker->extra); | |
4840 | ui_out_text (uiout, "\"\n"); | |
4841 | ||
4842 | if (!VEC_empty (breakpoint_p, tracepoints)) | |
4843 | { | |
4844 | struct cleanup *cleanup_chain; | |
4845 | int ix; | |
4846 | struct breakpoint *b; | |
4847 | ||
4848 | cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout, | |
4849 | "tracepoints-at"); | |
4850 | ||
4851 | ui_out_text (uiout, extra_field_indent); | |
4852 | ui_out_text (uiout, _("Probed by static tracepoints: ")); | |
4853 | for (ix = 0; VEC_iterate(breakpoint_p, tracepoints, ix, b); ix++) | |
4854 | { | |
4855 | if (ix > 0) | |
4856 | ui_out_text (uiout, ", "); | |
4857 | ui_out_text (uiout, "#"); | |
4858 | ui_out_field_int (uiout, "tracepoint-id", b->number); | |
4859 | } | |
4860 | ||
4861 | do_cleanups (cleanup_chain); | |
4862 | ||
4863 | if (ui_out_is_mi_like_p (uiout)) | |
4864 | ui_out_field_int (uiout, "number-of-tracepoints", | |
4865 | VEC_length(breakpoint_p, tracepoints)); | |
4866 | else | |
4867 | ui_out_text (uiout, "\n"); | |
4868 | } | |
4869 | VEC_free (breakpoint_p, tracepoints); | |
4870 | ||
4871 | do_cleanups (bkpt_chain); | |
4872 | do_cleanups (old_chain); | |
4873 | } | |
4874 | ||
4875 | static void | |
4876 | info_static_tracepoint_markers_command (char *arg, int from_tty) | |
4877 | { | |
4878 | VEC(static_tracepoint_marker_p) *markers; | |
4879 | struct cleanup *old_chain; | |
4880 | struct static_tracepoint_marker *marker; | |
79a45e25 | 4881 | struct ui_out *uiout = current_uiout; |
0fb4aa4b PA |
4882 | int i; |
4883 | ||
4884 | old_chain | |
4885 | = make_cleanup_ui_out_table_begin_end (uiout, 5, -1, | |
4886 | "StaticTracepointMarkersTable"); | |
4887 | ||
4888 | ui_out_table_header (uiout, 7, ui_left, "counter", "Cnt"); | |
4889 | ||
4890 | ui_out_table_header (uiout, 40, ui_left, "marker-id", "ID"); | |
4891 | ||
4892 | ui_out_table_header (uiout, 3, ui_left, "enabled", "Enb"); | |
4893 | if (gdbarch_addr_bit (target_gdbarch) <= 32) | |
4894 | ui_out_table_header (uiout, 10, ui_left, "addr", "Address"); | |
4895 | else | |
4896 | ui_out_table_header (uiout, 18, ui_left, "addr", "Address"); | |
4897 | ui_out_table_header (uiout, 40, ui_noalign, "what", "What"); | |
4898 | ||
4899 | ui_out_table_body (uiout); | |
4900 | ||
4901 | markers = target_static_tracepoint_markers_by_strid (NULL); | |
4902 | make_cleanup (VEC_cleanup (static_tracepoint_marker_p), &markers); | |
4903 | ||
4904 | for (i = 0; | |
4905 | VEC_iterate (static_tracepoint_marker_p, | |
4906 | markers, i, marker); | |
4907 | i++) | |
4908 | { | |
4909 | print_one_static_tracepoint_marker (i + 1, marker); | |
4910 | release_static_tracepoint_marker (marker); | |
4911 | } | |
4912 | ||
4913 | do_cleanups (old_chain); | |
4914 | } | |
4915 | ||
4916 | /* The $_sdata convenience variable is a bit special. We don't know | |
4917 | for sure type of the value until we actually have a chance to fetch | |
4918 | the data --- the size of the object depends on what has been | |
4919 | collected. We solve this by making $_sdata be an internalvar that | |
4920 | creates a new value on access. */ | |
4921 | ||
4922 | /* Return a new value with the correct type for the sdata object of | |
4923 | the current trace frame. Return a void value if there's no object | |
4924 | available. */ | |
4925 | ||
4926 | static struct value * | |
4927 | sdata_make_value (struct gdbarch *gdbarch, struct internalvar *var) | |
4928 | { | |
4929 | LONGEST size; | |
4930 | gdb_byte *buf; | |
4931 | ||
4932 | /* We need to read the whole object before we know its size. */ | |
4933 | size = target_read_alloc (¤t_target, | |
4934 | TARGET_OBJECT_STATIC_TRACE_DATA, | |
4935 | NULL, &buf); | |
4936 | if (size >= 0) | |
4937 | { | |
4938 | struct value *v; | |
4939 | struct type *type; | |
4940 | ||
4941 | type = init_vector_type (builtin_type (gdbarch)->builtin_true_char, | |
4942 | size); | |
4943 | v = allocate_value (type); | |
4944 | memcpy (value_contents_raw (v), buf, size); | |
4945 | xfree (buf); | |
4946 | return v; | |
4947 | } | |
4948 | else | |
4949 | return allocate_value (builtin_type (gdbarch)->builtin_void); | |
4950 | } | |
4951 | ||
b3b9301e PA |
4952 | #if !defined(HAVE_LIBEXPAT) |
4953 | ||
4954 | struct traceframe_info * | |
4955 | parse_traceframe_info (const char *tframe_info) | |
4956 | { | |
4957 | static int have_warned; | |
4958 | ||
4959 | if (!have_warned) | |
4960 | { | |
4961 | have_warned = 1; | |
4962 | warning (_("Can not parse XML trace frame info; XML support " | |
4963 | "was disabled at compile time")); | |
4964 | } | |
4965 | ||
4966 | return NULL; | |
4967 | } | |
4968 | ||
4969 | #else /* HAVE_LIBEXPAT */ | |
4970 | ||
4971 | #include "xml-support.h" | |
4972 | ||
4973 | /* Handle the start of a <memory> element. */ | |
4974 | ||
4975 | static void | |
4976 | traceframe_info_start_memory (struct gdb_xml_parser *parser, | |
4977 | const struct gdb_xml_element *element, | |
4978 | void *user_data, VEC(gdb_xml_value_s) *attributes) | |
4979 | { | |
4980 | struct traceframe_info *info = user_data; | |
4981 | struct mem_range *r = VEC_safe_push (mem_range_s, info->memory, NULL); | |
4982 | ULONGEST *start_p, *length_p; | |
4983 | ||
4984 | start_p = xml_find_attribute (attributes, "start")->value; | |
4985 | length_p = xml_find_attribute (attributes, "length")->value; | |
4986 | ||
4987 | r->start = *start_p; | |
4988 | r->length = *length_p; | |
4989 | } | |
4990 | ||
4991 | /* Discard the constructed trace frame info (if an error occurs). */ | |
4992 | ||
4993 | static void | |
4994 | free_result (void *p) | |
4995 | { | |
4996 | struct traceframe_info *result = p; | |
4997 | ||
4998 | free_traceframe_info (result); | |
4999 | } | |
5000 | ||
5001 | /* The allowed elements and attributes for an XML memory map. */ | |
5002 | ||
5003 | static const struct gdb_xml_attribute memory_attributes[] = { | |
5004 | { "start", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL }, | |
5005 | { "length", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL }, | |
5006 | { NULL, GDB_XML_AF_NONE, NULL, NULL } | |
5007 | }; | |
5008 | ||
5009 | static const struct gdb_xml_element traceframe_info_children[] = { | |
5010 | { "memory", memory_attributes, NULL, | |
5011 | GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL, | |
5012 | traceframe_info_start_memory, NULL }, | |
5013 | { NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL } | |
5014 | }; | |
5015 | ||
5016 | static const struct gdb_xml_element traceframe_info_elements[] = { | |
5017 | { "traceframe-info", NULL, traceframe_info_children, GDB_XML_EF_NONE, | |
5018 | NULL, NULL }, | |
5019 | { NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL } | |
5020 | }; | |
5021 | ||
5022 | /* Parse a traceframe-info XML document. */ | |
5023 | ||
5024 | struct traceframe_info * | |
5025 | parse_traceframe_info (const char *tframe_info) | |
5026 | { | |
5027 | struct traceframe_info *result; | |
5028 | struct cleanup *back_to; | |
5029 | ||
5030 | result = XCNEW (struct traceframe_info); | |
5031 | back_to = make_cleanup (free_result, result); | |
5032 | ||
5033 | if (gdb_xml_parse_quick (_("trace frame info"), | |
5034 | "traceframe-info.dtd", traceframe_info_elements, | |
5035 | tframe_info, result) == 0) | |
5036 | { | |
5037 | /* Parsed successfully, keep the result. */ | |
5038 | discard_cleanups (back_to); | |
5039 | ||
5040 | return result; | |
5041 | } | |
5042 | ||
5043 | do_cleanups (back_to); | |
5044 | return NULL; | |
5045 | } | |
5046 | ||
5047 | #endif /* HAVE_LIBEXPAT */ | |
5048 | ||
5049 | /* Returns the traceframe_info object for the current traceframe. | |
5050 | This is where we avoid re-fetching the object from the target if we | |
5051 | already have it cached. */ | |
5052 | ||
5053 | struct traceframe_info * | |
5054 | get_traceframe_info (void) | |
5055 | { | |
5056 | if (traceframe_info == NULL) | |
5057 | traceframe_info = target_traceframe_info (); | |
5058 | ||
5059 | return traceframe_info; | |
5060 | } | |
5061 | ||
c0f61f9c PA |
5062 | /* If the target supports the query, return in RESULT the set of |
5063 | collected memory in the current traceframe, found within the LEN | |
5064 | bytes range starting at MEMADDR. Returns true if the target | |
5065 | supports the query, otherwise returns false, and RESULT is left | |
5066 | undefined. */ | |
2a7498d8 PA |
5067 | |
5068 | int | |
5069 | traceframe_available_memory (VEC(mem_range_s) **result, | |
5070 | CORE_ADDR memaddr, ULONGEST len) | |
5071 | { | |
5072 | struct traceframe_info *info = get_traceframe_info (); | |
5073 | ||
5074 | if (info != NULL) | |
5075 | { | |
5076 | struct mem_range *r; | |
5077 | int i; | |
5078 | ||
5079 | *result = NULL; | |
5080 | ||
5081 | for (i = 0; VEC_iterate (mem_range_s, info->memory, i, r); i++) | |
5082 | if (mem_ranges_overlap (r->start, r->length, memaddr, len)) | |
5083 | { | |
5084 | ULONGEST lo1, hi1, lo2, hi2; | |
5085 | struct mem_range *nr; | |
5086 | ||
5087 | lo1 = memaddr; | |
5088 | hi1 = memaddr + len; | |
5089 | ||
5090 | lo2 = r->start; | |
5091 | hi2 = r->start + r->length; | |
5092 | ||
5093 | nr = VEC_safe_push (mem_range_s, *result, NULL); | |
5094 | ||
5095 | nr->start = max (lo1, lo2); | |
5096 | nr->length = min (hi1, hi2) - nr->start; | |
5097 | } | |
5098 | ||
5099 | normalize_mem_ranges (*result); | |
5100 | return 1; | |
5101 | } | |
5102 | ||
5103 | return 0; | |
5104 | } | |
5105 | ||
c906108c SS |
5106 | /* module initialization */ |
5107 | void | |
fba45db2 | 5108 | _initialize_tracepoint (void) |
c906108c | 5109 | { |
fa58ee11 EZ |
5110 | struct cmd_list_element *c; |
5111 | ||
0fb4aa4b PA |
5112 | /* Explicitly create without lookup, since that tries to create a |
5113 | value with a void typed value, and when we get here, gdbarch | |
5114 | isn't initialized yet. At this point, we're quite sure there | |
5115 | isn't another convenience variable of the same name. */ | |
5116 | create_internalvar_type_lazy ("_sdata", sdata_make_value); | |
5117 | ||
c906108c SS |
5118 | traceframe_number = -1; |
5119 | tracepoint_number = -1; | |
5120 | ||
c906108c SS |
5121 | if (tracepoint_list.list == NULL) |
5122 | { | |
5123 | tracepoint_list.listsize = 128; | |
c5aa993b | 5124 | tracepoint_list.list = xmalloc |
c906108c SS |
5125 | (tracepoint_list.listsize * sizeof (struct memrange)); |
5126 | } | |
5127 | if (tracepoint_list.aexpr_list == NULL) | |
5128 | { | |
5129 | tracepoint_list.aexpr_listsize = 128; | |
5130 | tracepoint_list.aexpr_list = xmalloc | |
5131 | (tracepoint_list.aexpr_listsize * sizeof (struct agent_expr *)); | |
5132 | } | |
5133 | ||
5134 | if (stepping_list.list == NULL) | |
5135 | { | |
5136 | stepping_list.listsize = 128; | |
c5aa993b | 5137 | stepping_list.list = xmalloc |
c906108c SS |
5138 | (stepping_list.listsize * sizeof (struct memrange)); |
5139 | } | |
5140 | ||
5141 | if (stepping_list.aexpr_list == NULL) | |
5142 | { | |
5143 | stepping_list.aexpr_listsize = 128; | |
5144 | stepping_list.aexpr_list = xmalloc | |
5145 | (stepping_list.aexpr_listsize * sizeof (struct agent_expr *)); | |
5146 | } | |
5147 | ||
c5aa993b | 5148 | add_info ("scope", scope_info, |
1bedd215 | 5149 | _("List the variables local to a scope")); |
c906108c | 5150 | |
e00d1dc8 | 5151 | add_cmd ("tracepoints", class_trace, NULL, |
1a966eab | 5152 | _("Tracing of program execution without stopping the program."), |
c906108c SS |
5153 | &cmdlist); |
5154 | ||
c5aa993b | 5155 | add_com ("tdump", class_trace, trace_dump_command, |
1bedd215 | 5156 | _("Print everything collected at the current tracepoint.")); |
c906108c | 5157 | |
00bf0b85 SS |
5158 | add_com ("tsave", class_trace, trace_save_command, _("\ |
5159 | Save the trace data to a file.\n\ | |
5160 | Use the '-r' option to direct the target to save directly to the file,\n\ | |
5161 | using its own filesystem.")); | |
5162 | ||
f61e138d SS |
5163 | c = add_com ("tvariable", class_trace, trace_variable_command,_("\ |
5164 | Define a trace state variable.\n\ | |
5165 | Argument is a $-prefixed name, optionally followed\n\ | |
5166 | by '=' and an expression that sets the initial value\n\ | |
5167 | at the start of tracing.")); | |
5168 | set_cmd_completer (c, expression_completer); | |
5169 | ||
5170 | add_cmd ("tvariable", class_trace, delete_trace_variable_command, _("\ | |
5171 | Delete one or more trace state variables.\n\ | |
5172 | Arguments are the names of the variables to delete.\n\ | |
5173 | If no arguments are supplied, delete all variables."), &deletelist); | |
c378eb4e | 5174 | /* FIXME add a trace variable completer. */ |
f61e138d SS |
5175 | |
5176 | add_info ("tvariables", tvariables_info, _("\ | |
5177 | Status of trace state variables and their values.\n\ | |
0fb4aa4b PA |
5178 | ")); |
5179 | ||
5180 | add_info ("static-tracepoint-markers", | |
5181 | info_static_tracepoint_markers_command, _("\ | |
5182 | List target static tracepoints markers.\n\ | |
f61e138d SS |
5183 | ")); |
5184 | ||
1bedd215 AC |
5185 | add_prefix_cmd ("tfind", class_trace, trace_find_command, _("\ |
5186 | Select a trace frame;\n\ | |
5187 | No argument means forward by one frame; '-' means backward by one frame."), | |
c906108c SS |
5188 | &tfindlist, "tfind ", 1, &cmdlist); |
5189 | ||
1a966eab | 5190 | add_cmd ("outside", class_trace, trace_find_outside_command, _("\ |
081dfbf7 | 5191 | Select a trace frame whose PC is outside the given range (exclusive).\n\ |
1a966eab | 5192 | Usage: tfind outside addr1, addr2"), |
c906108c SS |
5193 | &tfindlist); |
5194 | ||
1a966eab | 5195 | add_cmd ("range", class_trace, trace_find_range_command, _("\ |
081dfbf7 | 5196 | Select a trace frame whose PC is in the given range (inclusive).\n\ |
1a966eab | 5197 | Usage: tfind range addr1,addr2"), |
c906108c SS |
5198 | &tfindlist); |
5199 | ||
1a966eab AC |
5200 | add_cmd ("line", class_trace, trace_find_line_command, _("\ |
5201 | Select a trace frame by source line.\n\ | |
cce7e648 | 5202 | Argument can be a line number (with optional source file),\n\ |
c906108c | 5203 | a function name, or '*' followed by an address.\n\ |
1a966eab | 5204 | Default argument is 'the next source line that was traced'."), |
c906108c SS |
5205 | &tfindlist); |
5206 | ||
1a966eab AC |
5207 | add_cmd ("tracepoint", class_trace, trace_find_tracepoint_command, _("\ |
5208 | Select a trace frame by tracepoint number.\n\ | |
5209 | Default is the tracepoint for the current trace frame."), | |
c906108c SS |
5210 | &tfindlist); |
5211 | ||
1a966eab AC |
5212 | add_cmd ("pc", class_trace, trace_find_pc_command, _("\ |
5213 | Select a trace frame by PC.\n\ | |
5214 | Default is the current PC, or the PC of the current trace frame."), | |
c906108c SS |
5215 | &tfindlist); |
5216 | ||
1a966eab AC |
5217 | add_cmd ("end", class_trace, trace_find_end_command, _("\ |
5218 | Synonym for 'none'.\n\ | |
5219 | De-select any trace frame and resume 'live' debugging."), | |
c906108c SS |
5220 | &tfindlist); |
5221 | ||
5222 | add_cmd ("none", class_trace, trace_find_none_command, | |
1a966eab | 5223 | _("De-select any trace frame and resume 'live' debugging."), |
c906108c SS |
5224 | &tfindlist); |
5225 | ||
5226 | add_cmd ("start", class_trace, trace_find_start_command, | |
1a966eab | 5227 | _("Select the first trace frame in the trace buffer."), |
c906108c SS |
5228 | &tfindlist); |
5229 | ||
c5aa993b | 5230 | add_com ("tstatus", class_trace, trace_status_command, |
1bedd215 | 5231 | _("Display the status of the current trace data collection.")); |
c906108c | 5232 | |
f196051f SS |
5233 | add_com ("tstop", class_trace, trace_stop_command, _("\ |
5234 | Stop trace data collection.\n\ | |
5235 | Usage: tstop [ <notes> ... ]\n\ | |
5236 | Any arguments supplied are recorded with the trace as a stop reason and\n\ | |
5237 | reported by tstatus (if the target supports trace notes).")); | |
c906108c | 5238 | |
f196051f SS |
5239 | add_com ("tstart", class_trace, trace_start_command, _("\ |
5240 | Start trace data collection.\n\ | |
5241 | Usage: tstart [ <notes> ... ]\n\ | |
5242 | Any arguments supplied are recorded with the trace as a note and\n\ | |
5243 | reported by tstatus (if the target supports trace notes).")); | |
c906108c | 5244 | |
1bedd215 AC |
5245 | add_com ("end", class_trace, end_actions_pseudocommand, _("\ |
5246 | Ends a list of commands or actions.\n\ | |
c906108c SS |
5247 | Several GDB commands allow you to enter a list of commands or actions.\n\ |
5248 | Entering \"end\" on a line by itself is the normal way to terminate\n\ | |
5249 | such a list.\n\n\ | |
1bedd215 | 5250 | Note: the \"end\" command cannot be used at the gdb prompt.")); |
c906108c | 5251 | |
1bedd215 AC |
5252 | add_com ("while-stepping", class_trace, while_stepping_pseudocommand, _("\ |
5253 | Specify single-stepping behavior at a tracepoint.\n\ | |
c906108c SS |
5254 | Argument is number of instructions to trace in single-step mode\n\ |
5255 | following the tracepoint. This command is normally followed by\n\ | |
5256 | one or more \"collect\" commands, to specify what to collect\n\ | |
5257 | while single-stepping.\n\n\ | |
1bedd215 | 5258 | Note: this command can only be used in a tracepoint \"actions\" list.")); |
c906108c | 5259 | |
c5aa993b JM |
5260 | add_com_alias ("ws", "while-stepping", class_alias, 0); |
5261 | add_com_alias ("stepping", "while-stepping", class_alias, 0); | |
c906108c | 5262 | |
1bedd215 AC |
5263 | add_com ("collect", class_trace, collect_pseudocommand, _("\ |
5264 | Specify one or more data items to be collected at a tracepoint.\n\ | |
c906108c SS |
5265 | Accepts a comma-separated list of (one or more) expressions. GDB will\n\ |
5266 | collect all data (variables, registers) referenced by that expression.\n\ | |
5267 | Also accepts the following special arguments:\n\ | |
5268 | $regs -- all registers.\n\ | |
5269 | $args -- all function arguments.\n\ | |
5270 | $locals -- all variables local to the block/function scope.\n\ | |
0fb4aa4b | 5271 | $_sdata -- static tracepoint data (ignored for non-static tracepoints).\n\ |
1bedd215 | 5272 | Note: this command can only be used in a tracepoint \"actions\" list.")); |
c906108c | 5273 | |
6da95a67 SS |
5274 | add_com ("teval", class_trace, teval_pseudocommand, _("\ |
5275 | Specify one or more expressions to be evaluated at a tracepoint.\n\ | |
5276 | Accepts a comma-separated list of (one or more) expressions.\n\ | |
5277 | The result of each evaluation will be discarded.\n\ | |
5278 | Note: this command can only be used in a tracepoint \"actions\" list.")); | |
5279 | ||
1bedd215 AC |
5280 | add_com ("actions", class_trace, trace_actions_command, _("\ |
5281 | Specify the actions to be taken at a tracepoint.\n\ | |
cce7e648 PA |
5282 | Tracepoint actions may include collecting of specified data,\n\ |
5283 | single-stepping, or enabling/disabling other tracepoints,\n\ | |
1bedd215 | 5284 | depending on target's capabilities.")); |
c906108c | 5285 | |
236f1d4d SS |
5286 | default_collect = xstrdup (""); |
5287 | add_setshow_string_cmd ("default-collect", class_trace, | |
5288 | &default_collect, _("\ | |
5289 | Set the list of expressions to collect by default"), _("\ | |
5290 | Show the list of expressions to collect by default"), NULL, | |
5291 | NULL, NULL, | |
5292 | &setlist, &showlist); | |
5293 | ||
d5551862 SS |
5294 | add_setshow_boolean_cmd ("disconnected-tracing", no_class, |
5295 | &disconnected_tracing, _("\ | |
5296 | Set whether tracing continues after GDB disconnects."), _("\ | |
5297 | Show whether tracing continues after GDB disconnects."), _("\ | |
5298 | Use this to continue a tracing run even if GDB disconnects\n\ | |
5299 | or detaches from the target. You can reconnect later and look at\n\ | |
5300 | trace data collected in the meantime."), | |
5301 | set_disconnected_tracing, | |
5302 | NULL, | |
5303 | &setlist, | |
5304 | &showlist); | |
00bf0b85 | 5305 | |
4daf5ac0 SS |
5306 | add_setshow_boolean_cmd ("circular-trace-buffer", no_class, |
5307 | &circular_trace_buffer, _("\ | |
5308 | Set target's use of circular trace buffer."), _("\ | |
5309 | Show target's use of circular trace buffer."), _("\ | |
5310 | Use this to make the trace buffer into a circular buffer,\n\ | |
5311 | which will discard traceframes (oldest first) instead of filling\n\ | |
5312 | up and stopping the trace run."), | |
5313 | set_circular_trace_buffer, | |
5314 | NULL, | |
5315 | &setlist, | |
5316 | &showlist); | |
5317 | ||
f196051f SS |
5318 | add_setshow_string_cmd ("trace-user", class_trace, |
5319 | &trace_user, _("\ | |
5320 | Set the user name to use for current and future trace runs"), _("\ | |
5321 | Show the user name to use for current and future trace runs"), NULL, | |
5322 | set_trace_user, NULL, | |
5323 | &setlist, &showlist); | |
5324 | ||
5325 | add_setshow_string_cmd ("trace-notes", class_trace, | |
5326 | &trace_notes, _("\ | |
5327 | Set notes string to use for current and future trace runs"), _("\ | |
5328 | Show the notes string to use for current and future trace runs"), NULL, | |
5329 | set_trace_notes, NULL, | |
5330 | &setlist, &showlist); | |
5331 | ||
5332 | add_setshow_string_cmd ("trace-stop-notes", class_trace, | |
5333 | &trace_stop_notes, _("\ | |
5334 | Set notes string to use for future tstop commands"), _("\ | |
5335 | Show the notes string to use for future tstop commands"), NULL, | |
5336 | set_trace_stop_notes, NULL, | |
5337 | &setlist, &showlist); | |
5338 | ||
00bf0b85 SS |
5339 | init_tfile_ops (); |
5340 | ||
5341 | add_target (&tfile_ops); | |
c906108c | 5342 | } |