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c906108c | 1 | /* Tracing functionality for remote targets in custom GDB protocol |
9f60d481 | 2 | |
6aba47ca | 3 | Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
4c38e0a4 | 4 | 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 11 | (at your option) any later version. |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b | 18 | You should have received a copy of the GNU General Public License |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
20 | |
21 | #include "defs.h" | |
5af949e3 | 22 | #include "arch-utils.h" |
c906108c SS |
23 | #include "symtab.h" |
24 | #include "frame.h" | |
c906108c SS |
25 | #include "gdbtypes.h" |
26 | #include "expression.h" | |
27 | #include "gdbcmd.h" | |
28 | #include "value.h" | |
29 | #include "target.h" | |
30 | #include "language.h" | |
31 | #include "gdb_string.h" | |
104c1213 | 32 | #include "inferior.h" |
1042e4c0 | 33 | #include "breakpoint.h" |
104c1213 | 34 | #include "tracepoint.h" |
c2c6d25f | 35 | #include "remote.h" |
782b2b07 | 36 | extern int remote_supports_cond_tracepoints (void); |
f61e138d | 37 | extern char *unpack_varlen_hex (char *buff, ULONGEST *result); |
c5f0f3d0 | 38 | #include "linespec.h" |
4e052eda | 39 | #include "regcache.h" |
c94fdfd0 | 40 | #include "completer.h" |
fe898f56 | 41 | #include "block.h" |
de4f826b | 42 | #include "dictionary.h" |
383f836e | 43 | #include "observer.h" |
029a67e4 | 44 | #include "user-regs.h" |
79a45b7d | 45 | #include "valprint.h" |
41575630 | 46 | #include "gdbcore.h" |
768a979c | 47 | #include "objfiles.h" |
c906108c SS |
48 | |
49 | #include "ax.h" | |
50 | #include "ax-gdb.h" | |
51 | ||
52 | /* readline include files */ | |
dbda9972 AC |
53 | #include "readline/readline.h" |
54 | #include "readline/history.h" | |
c906108c SS |
55 | |
56 | /* readline defines this. */ | |
57 | #undef savestring | |
58 | ||
59 | #ifdef HAVE_UNISTD_H | |
60 | #include <unistd.h> | |
61 | #endif | |
62 | ||
d183932d MS |
63 | /* Maximum length of an agent aexpression. |
64 | This accounts for the fact that packets are limited to 400 bytes | |
c906108c SS |
65 | (which includes everything -- including the checksum), and assumes |
66 | the worst case of maximum length for each of the pieces of a | |
67 | continuation packet. | |
c5aa993b | 68 | |
c906108c SS |
69 | NOTE: expressions get mem2hex'ed otherwise this would be twice as |
70 | large. (400 - 31)/2 == 184 */ | |
71 | #define MAX_AGENT_EXPR_LEN 184 | |
72 | ||
98c5b216 TT |
73 | /* A hook used to notify the UI of tracepoint operations. */ |
74 | ||
75 | void (*deprecated_trace_find_hook) (char *arg, int from_tty); | |
76 | void (*deprecated_trace_start_stop_hook) (int start, int from_tty); | |
c906108c | 77 | |
9a4105ab AC |
78 | extern void (*deprecated_readline_begin_hook) (char *, ...); |
79 | extern char *(*deprecated_readline_hook) (char *); | |
80 | extern void (*deprecated_readline_end_hook) (void); | |
c906108c | 81 | |
104c1213 JM |
82 | /* GDB commands implemented in other modules: |
83 | */ | |
84 | ||
a14ed312 | 85 | extern void output_command (char *, int); |
104c1213 | 86 | |
c906108c SS |
87 | /* |
88 | Tracepoint.c: | |
89 | ||
90 | This module defines the following debugger commands: | |
91 | trace : set a tracepoint on a function, line, or address. | |
92 | info trace : list all debugger-defined tracepoints. | |
93 | delete trace : delete one or more tracepoints. | |
94 | enable trace : enable one or more tracepoints. | |
95 | disable trace : disable one or more tracepoints. | |
96 | actions : specify actions to be taken at a tracepoint. | |
97 | passcount : specify a pass count for a tracepoint. | |
98 | tstart : start a trace experiment. | |
99 | tstop : stop a trace experiment. | |
100 | tstatus : query the status of a trace experiment. | |
101 | tfind : find a trace frame in the trace buffer. | |
102 | tdump : print everything collected at the current tracepoint. | |
103 | save-tracepoints : write tracepoint setup into a file. | |
104 | ||
105 | This module defines the following user-visible debugger variables: | |
106 | $trace_frame : sequence number of trace frame currently being debugged. | |
107 | $trace_line : source line of trace frame currently being debugged. | |
108 | $trace_file : source file of trace frame currently being debugged. | |
109 | $tracepoint : tracepoint number of trace frame currently being debugged. | |
c5aa993b | 110 | */ |
c906108c SS |
111 | |
112 | ||
113 | /* ======= Important global variables: ======= */ | |
114 | ||
f61e138d SS |
115 | /* The list of all trace state variables. We don't retain pointers to |
116 | any of these for any reason - API is by name or number only - so it | |
117 | works to have a vector of objects. */ | |
118 | ||
119 | typedef struct trace_state_variable tsv_s; | |
120 | DEF_VEC_O(tsv_s); | |
121 | ||
122 | static VEC(tsv_s) *tvariables; | |
123 | ||
124 | /* The next integer to assign to a variable. */ | |
125 | ||
126 | static int next_tsv_number = 1; | |
127 | ||
c906108c SS |
128 | /* Number of last traceframe collected. */ |
129 | static int traceframe_number; | |
130 | ||
131 | /* Tracepoint for last traceframe collected. */ | |
132 | static int tracepoint_number; | |
133 | ||
134 | /* Symbol for function for last traceframe collected */ | |
135 | static struct symbol *traceframe_fun; | |
136 | ||
137 | /* Symtab and line for last traceframe collected */ | |
138 | static struct symtab_and_line traceframe_sal; | |
139 | ||
140 | /* Tracing command lists */ | |
141 | static struct cmd_list_element *tfindlist; | |
142 | ||
236f1d4d SS |
143 | /* List of expressions to collect by default at each tracepoint hit. */ |
144 | static char *default_collect = ""; | |
145 | ||
f61e138d SS |
146 | static char *target_buf; |
147 | static long target_buf_size; | |
236f1d4d | 148 | |
c906108c | 149 | /* ======= Important command functions: ======= */ |
a14ed312 KB |
150 | static void trace_actions_command (char *, int); |
151 | static void trace_start_command (char *, int); | |
152 | static void trace_stop_command (char *, int); | |
153 | static void trace_status_command (char *, int); | |
154 | static void trace_find_command (char *, int); | |
155 | static void trace_find_pc_command (char *, int); | |
156 | static void trace_find_tracepoint_command (char *, int); | |
157 | static void trace_find_line_command (char *, int); | |
158 | static void trace_find_range_command (char *, int); | |
159 | static void trace_find_outside_command (char *, int); | |
160 | static void tracepoint_save_command (char *, int); | |
161 | static void trace_dump_command (char *, int); | |
c906108c SS |
162 | |
163 | /* support routines */ | |
c906108c SS |
164 | |
165 | struct collection_list; | |
a14ed312 | 166 | static void add_aexpr (struct collection_list *, struct agent_expr *); |
47b667de | 167 | static char *mem2hex (gdb_byte *, char *, int); |
a14ed312 KB |
168 | static void add_register (struct collection_list *collection, |
169 | unsigned int regno); | |
1042e4c0 | 170 | static struct cleanup *make_cleanup_free_actions (struct breakpoint *t); |
a14ed312 KB |
171 | static void free_actions_list (char **actions_list); |
172 | static void free_actions_list_cleanup_wrapper (void *); | |
392a587b | 173 | |
a14ed312 | 174 | extern void _initialize_tracepoint (void); |
c906108c SS |
175 | |
176 | /* Utility: returns true if "target remote" */ | |
177 | static int | |
fba45db2 | 178 | target_is_remote (void) |
c906108c SS |
179 | { |
180 | if (current_target.to_shortname && | |
549678da NS |
181 | (strcmp (current_target.to_shortname, "remote") == 0 |
182 | || strcmp (current_target.to_shortname, "extended-remote") == 0)) | |
c906108c SS |
183 | return 1; |
184 | else | |
185 | return 0; | |
186 | } | |
187 | ||
188 | /* Utility: generate error from an incoming stub packet. */ | |
c5aa993b | 189 | static void |
fba45db2 | 190 | trace_error (char *buf) |
c906108c SS |
191 | { |
192 | if (*buf++ != 'E') | |
193 | return; /* not an error msg */ | |
c5aa993b | 194 | switch (*buf) |
c906108c SS |
195 | { |
196 | case '1': /* malformed packet error */ | |
197 | if (*++buf == '0') /* general case: */ | |
8a3fe4f8 | 198 | error (_("tracepoint.c: error in outgoing packet.")); |
c906108c | 199 | else |
8a3fe4f8 | 200 | error (_("tracepoint.c: error in outgoing packet at field #%ld."), |
c906108c SS |
201 | strtol (buf, NULL, 16)); |
202 | case '2': | |
8a3fe4f8 | 203 | error (_("trace API error 0x%s."), ++buf); |
c906108c | 204 | default: |
8a3fe4f8 | 205 | error (_("Target returns error code '%s'."), buf); |
c906108c SS |
206 | } |
207 | } | |
208 | ||
d183932d | 209 | /* Utility: wait for reply from stub, while accepting "O" packets. */ |
c906108c | 210 | static char * |
6d820c5c DJ |
211 | remote_get_noisy_reply (char **buf_p, |
212 | long *sizeof_buf) | |
c906108c | 213 | { |
d183932d | 214 | do /* Loop on reply from remote stub. */ |
c906108c | 215 | { |
6d820c5c | 216 | char *buf; |
c5aa993b | 217 | QUIT; /* allow user to bail out with ^C */ |
6d820c5c DJ |
218 | getpkt (buf_p, sizeof_buf, 0); |
219 | buf = *buf_p; | |
c906108c | 220 | if (buf[0] == 0) |
8a3fe4f8 | 221 | error (_("Target does not support this command.")); |
c906108c SS |
222 | else if (buf[0] == 'E') |
223 | trace_error (buf); | |
224 | else if (buf[0] == 'O' && | |
225 | buf[1] != 'K') | |
226 | remote_console_output (buf + 1); /* 'O' message from stub */ | |
227 | else | |
c5aa993b JM |
228 | return buf; /* here's the actual reply */ |
229 | } | |
230 | while (1); | |
c906108c SS |
231 | } |
232 | ||
c906108c SS |
233 | /* Set traceframe number to NUM. */ |
234 | static void | |
fba45db2 | 235 | set_traceframe_num (int num) |
c906108c SS |
236 | { |
237 | traceframe_number = num; | |
4fa62494 | 238 | set_internalvar_integer (lookup_internalvar ("trace_frame"), num); |
c906108c SS |
239 | } |
240 | ||
241 | /* Set tracepoint number to NUM. */ | |
242 | static void | |
fba45db2 | 243 | set_tracepoint_num (int num) |
c906108c SS |
244 | { |
245 | tracepoint_number = num; | |
4fa62494 | 246 | set_internalvar_integer (lookup_internalvar ("tracepoint"), num); |
c906108c SS |
247 | } |
248 | ||
249 | /* Set externally visible debug variables for querying/printing | |
250 | the traceframe context (line, function, file) */ | |
251 | ||
252 | static void | |
fb14de7b | 253 | set_traceframe_context (struct frame_info *trace_frame) |
c906108c | 254 | { |
fb14de7b UW |
255 | CORE_ADDR trace_pc; |
256 | ||
fb14de7b | 257 | if (trace_frame == NULL) /* Cease debugging any trace buffers. */ |
c906108c SS |
258 | { |
259 | traceframe_fun = 0; | |
260 | traceframe_sal.pc = traceframe_sal.line = 0; | |
261 | traceframe_sal.symtab = NULL; | |
4fa62494 UW |
262 | clear_internalvar (lookup_internalvar ("trace_func")); |
263 | clear_internalvar (lookup_internalvar ("trace_file")); | |
264 | set_internalvar_integer (lookup_internalvar ("trace_line"), -1); | |
c906108c SS |
265 | return; |
266 | } | |
267 | ||
d183932d | 268 | /* Save as globals for internal use. */ |
fb14de7b | 269 | trace_pc = get_frame_pc (trace_frame); |
c906108c SS |
270 | traceframe_sal = find_pc_line (trace_pc, 0); |
271 | traceframe_fun = find_pc_function (trace_pc); | |
272 | ||
d183932d MS |
273 | /* Save linenumber as "$trace_line", a debugger variable visible to |
274 | users. */ | |
4fa62494 UW |
275 | set_internalvar_integer (lookup_internalvar ("trace_line"), |
276 | traceframe_sal.line); | |
c906108c | 277 | |
d183932d MS |
278 | /* Save func name as "$trace_func", a debugger variable visible to |
279 | users. */ | |
4fa62494 UW |
280 | if (traceframe_fun == NULL |
281 | || SYMBOL_LINKAGE_NAME (traceframe_fun) == NULL) | |
282 | clear_internalvar (lookup_internalvar ("trace_func")); | |
c906108c | 283 | else |
78267919 UW |
284 | set_internalvar_string (lookup_internalvar ("trace_func"), |
285 | SYMBOL_LINKAGE_NAME (traceframe_fun)); | |
c906108c | 286 | |
d183932d MS |
287 | /* Save file name as "$trace_file", a debugger variable visible to |
288 | users. */ | |
4fa62494 UW |
289 | if (traceframe_sal.symtab == NULL |
290 | || traceframe_sal.symtab->filename == NULL) | |
291 | clear_internalvar (lookup_internalvar ("trace_file")); | |
c906108c | 292 | else |
78267919 UW |
293 | set_internalvar_string (lookup_internalvar ("trace_file"), |
294 | traceframe_sal.symtab->filename); | |
c906108c SS |
295 | } |
296 | ||
f61e138d SS |
297 | /* Create a new trace state variable with the given name. */ |
298 | ||
299 | struct trace_state_variable * | |
300 | create_trace_state_variable (const char *name) | |
301 | { | |
302 | struct trace_state_variable tsv; | |
303 | ||
304 | memset (&tsv, 0, sizeof (tsv)); | |
305 | tsv.name = name; | |
306 | tsv.number = next_tsv_number++; | |
307 | return VEC_safe_push (tsv_s, tvariables, &tsv); | |
308 | } | |
309 | ||
310 | /* Look for a trace state variable of the given name. */ | |
311 | ||
312 | struct trace_state_variable * | |
313 | find_trace_state_variable (const char *name) | |
314 | { | |
315 | struct trace_state_variable *tsv; | |
316 | int ix; | |
317 | ||
318 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
319 | if (strcmp (name, tsv->name) == 0) | |
320 | return tsv; | |
321 | ||
322 | return NULL; | |
323 | } | |
324 | ||
325 | void | |
326 | delete_trace_state_variable (const char *name) | |
327 | { | |
328 | struct trace_state_variable *tsv; | |
329 | int ix; | |
330 | ||
331 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
332 | if (strcmp (name, tsv->name) == 0) | |
333 | { | |
334 | VEC_unordered_remove (tsv_s, tvariables, ix); | |
335 | return; | |
336 | } | |
337 | ||
338 | warning (_("No trace variable named \"$%s\", not deleting"), name); | |
339 | } | |
340 | ||
341 | /* The 'tvariable' command collects a name and optional expression to | |
342 | evaluate into an initial value. */ | |
343 | ||
344 | void | |
345 | trace_variable_command (char *args, int from_tty) | |
346 | { | |
347 | struct expression *expr; | |
348 | struct cleanup *old_chain; | |
349 | struct internalvar *intvar = NULL; | |
350 | LONGEST initval = 0; | |
351 | struct trace_state_variable *tsv; | |
352 | ||
353 | if (!args || !*args) | |
354 | error_no_arg (_("trace state variable name")); | |
355 | ||
356 | /* All the possible valid arguments are expressions. */ | |
357 | expr = parse_expression (args); | |
358 | old_chain = make_cleanup (free_current_contents, &expr); | |
359 | ||
360 | if (expr->nelts == 0) | |
361 | error (_("No expression?")); | |
362 | ||
363 | /* Only allow two syntaxes; "$name" and "$name=value". */ | |
364 | if (expr->elts[0].opcode == OP_INTERNALVAR) | |
365 | { | |
366 | intvar = expr->elts[1].internalvar; | |
367 | } | |
368 | else if (expr->elts[0].opcode == BINOP_ASSIGN | |
369 | && expr->elts[1].opcode == OP_INTERNALVAR) | |
370 | { | |
371 | intvar = expr->elts[2].internalvar; | |
372 | initval = value_as_long (evaluate_subexpression_type (expr, 4)); | |
373 | } | |
374 | else | |
375 | error (_("Syntax must be $NAME [ = EXPR ]")); | |
376 | ||
377 | if (!intvar) | |
378 | error (_("No name given")); | |
379 | ||
380 | if (strlen (internalvar_name (intvar)) <= 0) | |
381 | error (_("Must supply a non-empty variable name")); | |
382 | ||
383 | /* If the variable already exists, just change its initial value. */ | |
384 | tsv = find_trace_state_variable (internalvar_name (intvar)); | |
385 | if (tsv) | |
386 | { | |
387 | tsv->initial_value = initval; | |
388 | printf_filtered (_("Trace state variable $%s now has initial value %s.\n"), | |
389 | tsv->name, plongest (tsv->initial_value)); | |
390 | return; | |
391 | } | |
392 | ||
393 | /* Create a new variable. */ | |
394 | tsv = create_trace_state_variable (internalvar_name (intvar)); | |
395 | tsv->initial_value = initval; | |
396 | ||
397 | printf_filtered (_("Trace state variable $%s created, with initial value %s.\n"), | |
398 | tsv->name, plongest (tsv->initial_value)); | |
399 | ||
400 | do_cleanups (old_chain); | |
401 | } | |
402 | ||
403 | void | |
404 | delete_trace_variable_command (char *args, int from_tty) | |
405 | { | |
406 | int i, ix; | |
407 | char **argv; | |
408 | struct cleanup *back_to; | |
409 | struct trace_state_variable *tsv; | |
410 | ||
411 | if (args == NULL) | |
412 | { | |
413 | if (query (_("Delete all trace state variables? "))) | |
414 | VEC_free (tsv_s, tvariables); | |
415 | dont_repeat (); | |
416 | return; | |
417 | } | |
418 | ||
419 | argv = gdb_buildargv (args); | |
420 | back_to = make_cleanup_freeargv (argv); | |
421 | ||
422 | for (i = 0; argv[i] != NULL; i++) | |
423 | { | |
424 | if (*argv[i] == '$') | |
425 | delete_trace_state_variable (argv[i] + 1); | |
426 | else | |
427 | warning (_("Name \"%s\" not prefixed with '$', ignoring"), argv[i]); | |
428 | } | |
429 | ||
430 | do_cleanups (back_to); | |
431 | ||
432 | dont_repeat (); | |
433 | } | |
434 | ||
435 | /* List all the trace state variables. */ | |
436 | ||
437 | static void | |
438 | tvariables_info (char *args, int from_tty) | |
439 | { | |
440 | struct trace_state_variable *tsv; | |
441 | int ix; | |
442 | char *reply; | |
443 | ULONGEST tval; | |
444 | ||
445 | if (target_is_remote ()) | |
446 | { | |
447 | char buf[20]; | |
448 | ||
449 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
450 | { | |
451 | /* We don't know anything about the value until we get a | |
452 | valid packet. */ | |
453 | tsv->value_known = 0; | |
454 | sprintf (buf, "qTV:%x", tsv->number); | |
455 | putpkt (buf); | |
456 | reply = remote_get_noisy_reply (&target_buf, &target_buf_size); | |
457 | if (reply && *reply) | |
458 | { | |
459 | if (*reply == 'V') | |
460 | { | |
461 | unpack_varlen_hex (reply + 1, &tval); | |
462 | tsv->value = (LONGEST) tval; | |
463 | tsv->value_known = 1; | |
464 | } | |
465 | /* FIXME say anything about oddball replies? */ | |
466 | } | |
467 | } | |
468 | } | |
469 | ||
470 | if (VEC_length (tsv_s, tvariables) == 0) | |
471 | { | |
472 | printf_filtered (_("No trace state variables.\n")); | |
473 | return; | |
474 | } | |
475 | ||
476 | printf_filtered (_("Name\t\t Initial\tCurrent\n")); | |
477 | ||
478 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
479 | { | |
480 | printf_filtered ("$%s", tsv->name); | |
481 | print_spaces_filtered (17 - strlen (tsv->name), gdb_stdout); | |
482 | printf_filtered ("%s ", plongest (tsv->initial_value)); | |
483 | print_spaces_filtered (11 - strlen (plongest (tsv->initial_value)), gdb_stdout); | |
484 | if (tsv->value_known) | |
485 | printf_filtered (" %s", plongest (tsv->value)); | |
486 | else if (trace_running_p || traceframe_number >= 0) | |
487 | /* The value is/was defined, but we don't have it. */ | |
488 | printf_filtered (_(" <unknown>")); | |
489 | else | |
490 | /* It is not meaningful to ask about the value. */ | |
491 | printf_filtered (_(" <undefined>")); | |
492 | printf_filtered ("\n"); | |
493 | } | |
494 | } | |
495 | ||
c906108c SS |
496 | /* ACTIONS functions: */ |
497 | ||
498 | /* Prototypes for action-parsing utility commands */ | |
1042e4c0 | 499 | static void read_actions (struct breakpoint *); |
c906108c SS |
500 | |
501 | /* The three functions: | |
c5aa993b JM |
502 | collect_pseudocommand, |
503 | while_stepping_pseudocommand, and | |
504 | end_actions_pseudocommand | |
c906108c SS |
505 | are placeholders for "commands" that are actually ONLY to be used |
506 | within a tracepoint action list. If the actual function is ever called, | |
507 | it means that somebody issued the "command" at the top level, | |
508 | which is always an error. */ | |
509 | ||
1042e4c0 | 510 | void |
fba45db2 | 511 | end_actions_pseudocommand (char *args, int from_tty) |
c906108c | 512 | { |
8a3fe4f8 | 513 | error (_("This command cannot be used at the top level.")); |
c906108c SS |
514 | } |
515 | ||
1042e4c0 | 516 | void |
fba45db2 | 517 | while_stepping_pseudocommand (char *args, int from_tty) |
c906108c | 518 | { |
8a3fe4f8 | 519 | error (_("This command can only be used in a tracepoint actions list.")); |
c906108c SS |
520 | } |
521 | ||
522 | static void | |
fba45db2 | 523 | collect_pseudocommand (char *args, int from_tty) |
c906108c | 524 | { |
8a3fe4f8 | 525 | error (_("This command can only be used in a tracepoint actions list.")); |
c906108c SS |
526 | } |
527 | ||
6da95a67 SS |
528 | static void |
529 | teval_pseudocommand (char *args, int from_tty) | |
530 | { | |
531 | error (_("This command can only be used in a tracepoint actions list.")); | |
532 | } | |
533 | ||
c906108c SS |
534 | /* Enter a list of actions for a tracepoint. */ |
535 | static void | |
fba45db2 | 536 | trace_actions_command (char *args, int from_tty) |
c906108c | 537 | { |
1042e4c0 | 538 | struct breakpoint *t; |
c906108c SS |
539 | char tmpbuf[128]; |
540 | char *end_msg = "End with a line saying just \"end\"."; | |
541 | ||
c2d11a7d | 542 | t = get_tracepoint_by_number (&args, 0, 1); |
7a292a7a | 543 | if (t) |
c906108c SS |
544 | { |
545 | sprintf (tmpbuf, "Enter actions for tracepoint %d, one per line.", | |
546 | t->number); | |
547 | ||
548 | if (from_tty) | |
549 | { | |
9a4105ab AC |
550 | if (deprecated_readline_begin_hook) |
551 | (*deprecated_readline_begin_hook) ("%s %s\n", tmpbuf, end_msg); | |
c906108c SS |
552 | else if (input_from_terminal_p ()) |
553 | printf_filtered ("%s\n%s\n", tmpbuf, end_msg); | |
554 | } | |
555 | ||
556 | free_actions (t); | |
557 | t->step_count = 0; /* read_actions may set this */ | |
558 | read_actions (t); | |
559 | ||
9a4105ab AC |
560 | if (deprecated_readline_end_hook) |
561 | (*deprecated_readline_end_hook) (); | |
c906108c SS |
562 | /* tracepoints_changed () */ |
563 | } | |
5c44784c | 564 | /* else just return */ |
c906108c SS |
565 | } |
566 | ||
567 | /* worker function */ | |
568 | static void | |
1042e4c0 | 569 | read_actions (struct breakpoint *t) |
c906108c SS |
570 | { |
571 | char *line; | |
572 | char *prompt1 = "> ", *prompt2 = " > "; | |
573 | char *prompt = prompt1; | |
574 | enum actionline_type linetype; | |
575 | extern FILE *instream; | |
576 | struct action_line *next = NULL, *temp; | |
577 | struct cleanup *old_chain; | |
578 | ||
579 | /* Control-C quits instantly if typed while in this loop | |
580 | since it should not wait until the user types a newline. */ | |
581 | immediate_quit++; | |
1a6fae3c MK |
582 | /* FIXME: kettenis/20010823: Something is wrong here. In this file |
583 | STOP_SIGNAL is never defined. So this code has been left out, at | |
584 | least for quite a while now. Replacing STOP_SIGNAL with SIGTSTP | |
585 | leads to compilation failures since the variable job_control | |
586 | isn't declared. Leave this alone for now. */ | |
c906108c SS |
587 | #ifdef STOP_SIGNAL |
588 | if (job_control) | |
362646f5 | 589 | signal (STOP_SIGNAL, handle_stop_sig); |
c906108c | 590 | #endif |
74b7792f | 591 | old_chain = make_cleanup_free_actions (t); |
c906108c SS |
592 | while (1) |
593 | { | |
d183932d MS |
594 | /* Make sure that all output has been output. Some machines may |
595 | let you get away with leaving out some of the gdb_flush, but | |
596 | not all. */ | |
c906108c SS |
597 | wrap_here (""); |
598 | gdb_flush (gdb_stdout); | |
599 | gdb_flush (gdb_stderr); | |
600 | ||
9a4105ab AC |
601 | if (deprecated_readline_hook && instream == NULL) |
602 | line = (*deprecated_readline_hook) (prompt); | |
c906108c SS |
603 | else if (instream == stdin && ISATTY (instream)) |
604 | { | |
b4f5539f | 605 | line = gdb_readline_wrapper (prompt); |
c5aa993b | 606 | if (line && *line) /* add it to command history */ |
c906108c SS |
607 | add_history (line); |
608 | } | |
609 | else | |
610 | line = gdb_readline (0); | |
611 | ||
549678da | 612 | if (!line) |
d844e34b JB |
613 | { |
614 | line = xstrdup ("end"); | |
615 | printf_filtered ("end\n"); | |
616 | } | |
549678da | 617 | |
c906108c SS |
618 | linetype = validate_actionline (&line, t); |
619 | if (linetype == BADLINE) | |
c5aa993b | 620 | continue; /* already warned -- collect another line */ |
c906108c SS |
621 | |
622 | temp = xmalloc (sizeof (struct action_line)); | |
623 | temp->next = NULL; | |
624 | temp->action = line; | |
625 | ||
626 | if (next == NULL) /* first action for this tracepoint? */ | |
627 | t->actions = next = temp; | |
628 | else | |
629 | { | |
630 | next->next = temp; | |
631 | next = temp; | |
632 | } | |
633 | ||
634 | if (linetype == STEPPING) /* begin "while-stepping" */ | |
7a292a7a SS |
635 | { |
636 | if (prompt == prompt2) | |
637 | { | |
8a3fe4f8 | 638 | warning (_("Already processing 'while-stepping'")); |
7a292a7a SS |
639 | continue; |
640 | } | |
641 | else | |
642 | prompt = prompt2; /* change prompt for stepping actions */ | |
643 | } | |
c906108c | 644 | else if (linetype == END) |
7a292a7a SS |
645 | { |
646 | if (prompt == prompt2) | |
647 | { | |
648 | prompt = prompt1; /* end of single-stepping actions */ | |
649 | } | |
650 | else | |
c5aa993b | 651 | { /* end of actions */ |
7a292a7a SS |
652 | if (t->actions->next == NULL) |
653 | { | |
d183932d MS |
654 | /* An "end" all by itself with no other actions |
655 | means this tracepoint has no actions. | |
656 | Discard empty list. */ | |
7a292a7a SS |
657 | free_actions (t); |
658 | } | |
659 | break; | |
660 | } | |
661 | } | |
c906108c SS |
662 | } |
663 | #ifdef STOP_SIGNAL | |
664 | if (job_control) | |
665 | signal (STOP_SIGNAL, SIG_DFL); | |
666 | #endif | |
8edbea78 | 667 | immediate_quit--; |
c906108c SS |
668 | discard_cleanups (old_chain); |
669 | } | |
670 | ||
671 | /* worker function */ | |
672 | enum actionline_type | |
1042e4c0 | 673 | validate_actionline (char **line, struct breakpoint *t) |
c906108c SS |
674 | { |
675 | struct cmd_list_element *c; | |
676 | struct expression *exp = NULL; | |
c906108c SS |
677 | struct cleanup *old_chain = NULL; |
678 | char *p; | |
679 | ||
15255275 MS |
680 | /* if EOF is typed, *line is NULL */ |
681 | if (*line == NULL) | |
682 | return END; | |
683 | ||
104c1213 | 684 | for (p = *line; isspace ((int) *p);) |
c906108c SS |
685 | p++; |
686 | ||
d183932d MS |
687 | /* Symbol lookup etc. */ |
688 | if (*p == '\0') /* empty line: just prompt for another line. */ | |
c906108c SS |
689 | return BADLINE; |
690 | ||
c5aa993b | 691 | if (*p == '#') /* comment line */ |
c906108c SS |
692 | return GENERIC; |
693 | ||
694 | c = lookup_cmd (&p, cmdlist, "", -1, 1); | |
695 | if (c == 0) | |
696 | { | |
8a3fe4f8 | 697 | warning (_("'%s' is not an action that I know, or is ambiguous."), |
d183932d | 698 | p); |
c906108c SS |
699 | return BADLINE; |
700 | } | |
c5aa993b | 701 | |
bbaca940 | 702 | if (cmd_cfunc_eq (c, collect_pseudocommand)) |
c906108c SS |
703 | { |
704 | struct agent_expr *aexpr; | |
705 | struct agent_reqs areqs; | |
706 | ||
c5aa993b JM |
707 | do |
708 | { /* repeat over a comma-separated list */ | |
709 | QUIT; /* allow user to bail out with ^C */ | |
104c1213 | 710 | while (isspace ((int) *p)) |
c5aa993b | 711 | p++; |
c906108c | 712 | |
c5aa993b JM |
713 | if (*p == '$') /* look for special pseudo-symbols */ |
714 | { | |
c5aa993b JM |
715 | if ((0 == strncasecmp ("reg", p + 1, 3)) || |
716 | (0 == strncasecmp ("arg", p + 1, 3)) || | |
717 | (0 == strncasecmp ("loc", p + 1, 3))) | |
718 | { | |
719 | p = strchr (p, ','); | |
720 | continue; | |
721 | } | |
d183932d | 722 | /* else fall thru, treat p as an expression and parse it! */ |
c5aa993b | 723 | } |
1042e4c0 | 724 | exp = parse_exp_1 (&p, block_for_pc (t->loc->address), 1); |
c13c43fd | 725 | old_chain = make_cleanup (free_current_contents, &exp); |
c906108c | 726 | |
c5aa993b JM |
727 | if (exp->elts[0].opcode == OP_VAR_VALUE) |
728 | { | |
729 | if (SYMBOL_CLASS (exp->elts[2].symbol) == LOC_CONST) | |
730 | { | |
8a3fe4f8 | 731 | warning (_("constant %s (value %ld) will not be collected."), |
3567439c | 732 | SYMBOL_PRINT_NAME (exp->elts[2].symbol), |
c5aa993b JM |
733 | SYMBOL_VALUE (exp->elts[2].symbol)); |
734 | return BADLINE; | |
735 | } | |
736 | else if (SYMBOL_CLASS (exp->elts[2].symbol) == LOC_OPTIMIZED_OUT) | |
737 | { | |
8a3fe4f8 | 738 | warning (_("%s is optimized away and cannot be collected."), |
3567439c | 739 | SYMBOL_PRINT_NAME (exp->elts[2].symbol)); |
c5aa993b JM |
740 | return BADLINE; |
741 | } | |
742 | } | |
c906108c | 743 | |
d183932d MS |
744 | /* We have something to collect, make sure that the expr to |
745 | bytecode translator can handle it and that it's not too | |
746 | long. */ | |
1042e4c0 | 747 | aexpr = gen_trace_for_expr (t->loc->address, exp); |
f23d52e0 | 748 | make_cleanup_free_agent_expr (aexpr); |
c906108c | 749 | |
c5aa993b | 750 | if (aexpr->len > MAX_AGENT_EXPR_LEN) |
8a3fe4f8 | 751 | error (_("expression too complicated, try simplifying")); |
c906108c | 752 | |
c5aa993b | 753 | ax_reqs (aexpr, &areqs); |
b8c9b27d | 754 | (void) make_cleanup (xfree, areqs.reg_mask); |
c906108c | 755 | |
c5aa993b | 756 | if (areqs.flaw != agent_flaw_none) |
8a3fe4f8 | 757 | error (_("malformed expression")); |
c906108c | 758 | |
c5aa993b | 759 | if (areqs.min_height < 0) |
8a3fe4f8 | 760 | error (_("gdb: Internal error: expression has min height < 0")); |
c906108c | 761 | |
c5aa993b | 762 | if (areqs.max_height > 20) |
8a3fe4f8 | 763 | error (_("expression too complicated, try simplifying")); |
c906108c | 764 | |
c5aa993b JM |
765 | do_cleanups (old_chain); |
766 | } | |
767 | while (p && *p++ == ','); | |
c906108c SS |
768 | return GENERIC; |
769 | } | |
6da95a67 SS |
770 | else if (cmd_cfunc_eq (c, teval_pseudocommand)) |
771 | { | |
772 | struct agent_expr *aexpr; | |
773 | ||
774 | do | |
775 | { /* repeat over a comma-separated list */ | |
776 | QUIT; /* allow user to bail out with ^C */ | |
777 | while (isspace ((int) *p)) | |
778 | p++; | |
779 | ||
780 | /* Only expressions are allowed for this action. */ | |
781 | exp = parse_exp_1 (&p, block_for_pc (t->loc->address), 1); | |
782 | old_chain = make_cleanup (free_current_contents, &exp); | |
783 | ||
784 | /* We have something to evaluate, make sure that the expr to | |
785 | bytecode translator can handle it and that it's not too | |
786 | long. */ | |
787 | aexpr = gen_eval_for_expr (t->loc->address, exp); | |
788 | make_cleanup_free_agent_expr (aexpr); | |
789 | ||
790 | if (aexpr->len > MAX_AGENT_EXPR_LEN) | |
791 | error (_("expression too complicated, try simplifying")); | |
792 | ||
793 | do_cleanups (old_chain); | |
794 | } | |
795 | while (p && *p++ == ','); | |
796 | return GENERIC; | |
797 | } | |
bbaca940 | 798 | else if (cmd_cfunc_eq (c, while_stepping_pseudocommand)) |
c906108c | 799 | { |
c5aa993b | 800 | char *steparg; /* in case warning is necessary */ |
c906108c | 801 | |
104c1213 | 802 | while (isspace ((int) *p)) |
c906108c SS |
803 | p++; |
804 | steparg = p; | |
805 | ||
806 | if (*p == '\0' || | |
807 | (t->step_count = strtol (p, &p, 0)) == 0) | |
808 | { | |
8a3fe4f8 | 809 | warning (_("'%s': bad step-count; command ignored."), *line); |
c906108c SS |
810 | return BADLINE; |
811 | } | |
812 | return STEPPING; | |
813 | } | |
bbaca940 | 814 | else if (cmd_cfunc_eq (c, end_actions_pseudocommand)) |
c906108c SS |
815 | return END; |
816 | else | |
817 | { | |
8a3fe4f8 | 818 | warning (_("'%s' is not a supported tracepoint action."), *line); |
c906108c SS |
819 | return BADLINE; |
820 | } | |
821 | } | |
822 | ||
823 | /* worker function */ | |
c5aa993b | 824 | void |
1042e4c0 | 825 | free_actions (struct breakpoint *t) |
c906108c SS |
826 | { |
827 | struct action_line *line, *next; | |
828 | ||
829 | for (line = t->actions; line; line = next) | |
830 | { | |
831 | next = line->next; | |
c5aa993b | 832 | if (line->action) |
b8c9b27d KB |
833 | xfree (line->action); |
834 | xfree (line); | |
c906108c SS |
835 | } |
836 | t->actions = NULL; | |
837 | } | |
838 | ||
74b7792f AC |
839 | static void |
840 | do_free_actions_cleanup (void *t) | |
841 | { | |
842 | free_actions (t); | |
843 | } | |
844 | ||
845 | static struct cleanup * | |
1042e4c0 | 846 | make_cleanup_free_actions (struct breakpoint *t) |
74b7792f AC |
847 | { |
848 | return make_cleanup (do_free_actions_cleanup, t); | |
849 | } | |
850 | ||
f50e79a4 JB |
851 | enum { |
852 | memrange_absolute = -1 | |
853 | }; | |
854 | ||
c5aa993b JM |
855 | struct memrange |
856 | { | |
f50e79a4 JB |
857 | int type; /* memrange_absolute for absolute memory range, |
858 | else basereg number */ | |
c906108c SS |
859 | bfd_signed_vma start; |
860 | bfd_signed_vma end; | |
861 | }; | |
862 | ||
c5aa993b JM |
863 | struct collection_list |
864 | { | |
549678da | 865 | unsigned char regs_mask[32]; /* room for up to 256 regs */ |
c5aa993b JM |
866 | long listsize; |
867 | long next_memrange; | |
868 | struct memrange *list; | |
869 | long aexpr_listsize; /* size of array pointed to by expr_list elt */ | |
870 | long next_aexpr_elt; | |
871 | struct agent_expr **aexpr_list; | |
872 | ||
873 | } | |
874 | tracepoint_list, stepping_list; | |
c906108c SS |
875 | |
876 | /* MEMRANGE functions: */ | |
877 | ||
a14ed312 | 878 | static int memrange_cmp (const void *, const void *); |
c906108c SS |
879 | |
880 | /* compare memranges for qsort */ | |
881 | static int | |
fba45db2 | 882 | memrange_cmp (const void *va, const void *vb) |
c906108c SS |
883 | { |
884 | const struct memrange *a = va, *b = vb; | |
885 | ||
886 | if (a->type < b->type) | |
887 | return -1; | |
888 | if (a->type > b->type) | |
c5aa993b | 889 | return 1; |
f50e79a4 | 890 | if (a->type == memrange_absolute) |
c906108c | 891 | { |
c5aa993b JM |
892 | if ((bfd_vma) a->start < (bfd_vma) b->start) |
893 | return -1; | |
894 | if ((bfd_vma) a->start > (bfd_vma) b->start) | |
895 | return 1; | |
c906108c SS |
896 | } |
897 | else | |
898 | { | |
c5aa993b | 899 | if (a->start < b->start) |
c906108c | 900 | return -1; |
c5aa993b JM |
901 | if (a->start > b->start) |
902 | return 1; | |
c906108c SS |
903 | } |
904 | return 0; | |
905 | } | |
906 | ||
d183932d | 907 | /* Sort the memrange list using qsort, and merge adjacent memranges. */ |
c906108c | 908 | static void |
fba45db2 | 909 | memrange_sortmerge (struct collection_list *memranges) |
c906108c SS |
910 | { |
911 | int a, b; | |
912 | ||
c5aa993b | 913 | qsort (memranges->list, memranges->next_memrange, |
c906108c SS |
914 | sizeof (struct memrange), memrange_cmp); |
915 | if (memranges->next_memrange > 0) | |
916 | { | |
917 | for (a = 0, b = 1; b < memranges->next_memrange; b++) | |
918 | { | |
919 | if (memranges->list[a].type == memranges->list[b].type && | |
c5aa993b | 920 | memranges->list[b].start - memranges->list[a].end <= |
0c92afe8 | 921 | MAX_REGISTER_SIZE) |
c906108c SS |
922 | { |
923 | /* memrange b starts before memrange a ends; merge them. */ | |
924 | if (memranges->list[b].end > memranges->list[a].end) | |
925 | memranges->list[a].end = memranges->list[b].end; | |
926 | continue; /* next b, same a */ | |
927 | } | |
928 | a++; /* next a */ | |
929 | if (a != b) | |
c5aa993b | 930 | memcpy (&memranges->list[a], &memranges->list[b], |
c906108c SS |
931 | sizeof (struct memrange)); |
932 | } | |
933 | memranges->next_memrange = a + 1; | |
934 | } | |
935 | } | |
936 | ||
d183932d | 937 | /* Add a register to a collection list. */ |
392a587b | 938 | static void |
fba45db2 | 939 | add_register (struct collection_list *collection, unsigned int regno) |
c906108c SS |
940 | { |
941 | if (info_verbose) | |
942 | printf_filtered ("collect register %d\n", regno); | |
27e06d3e | 943 | if (regno >= (8 * sizeof (collection->regs_mask))) |
8a3fe4f8 | 944 | error (_("Internal: register number %d too large for tracepoint"), |
c906108c | 945 | regno); |
c5aa993b | 946 | collection->regs_mask[regno / 8] |= 1 << (regno % 8); |
c906108c SS |
947 | } |
948 | ||
949 | /* Add a memrange to a collection list */ | |
950 | static void | |
d183932d MS |
951 | add_memrange (struct collection_list *memranges, |
952 | int type, bfd_signed_vma base, | |
fba45db2 | 953 | unsigned long len) |
c906108c SS |
954 | { |
955 | if (info_verbose) | |
104c1213 JM |
956 | { |
957 | printf_filtered ("(%d,", type); | |
958 | printf_vma (base); | |
959 | printf_filtered (",%ld)\n", len); | |
960 | } | |
961 | ||
f50e79a4 | 962 | /* type: memrange_absolute == memory, other n == basereg */ |
c5aa993b | 963 | memranges->list[memranges->next_memrange].type = type; |
d183932d | 964 | /* base: addr if memory, offset if reg relative. */ |
c906108c SS |
965 | memranges->list[memranges->next_memrange].start = base; |
966 | /* len: we actually save end (base + len) for convenience */ | |
c5aa993b | 967 | memranges->list[memranges->next_memrange].end = base + len; |
c906108c SS |
968 | memranges->next_memrange++; |
969 | if (memranges->next_memrange >= memranges->listsize) | |
970 | { | |
971 | memranges->listsize *= 2; | |
c5aa993b | 972 | memranges->list = xrealloc (memranges->list, |
c906108c SS |
973 | memranges->listsize); |
974 | } | |
975 | ||
f50e79a4 | 976 | if (type != memrange_absolute) /* Better collect the base register! */ |
c906108c SS |
977 | add_register (memranges, type); |
978 | } | |
979 | ||
d183932d | 980 | /* Add a symbol to a collection list. */ |
c906108c | 981 | static void |
d183932d MS |
982 | collect_symbol (struct collection_list *collect, |
983 | struct symbol *sym, | |
a6d9a66e | 984 | struct gdbarch *gdbarch, |
0936ad1d SS |
985 | long frame_regno, long frame_offset, |
986 | CORE_ADDR scope) | |
c906108c | 987 | { |
c5aa993b | 988 | unsigned long len; |
104c1213 | 989 | unsigned int reg; |
c906108c SS |
990 | bfd_signed_vma offset; |
991 | ||
c5aa993b JM |
992 | len = TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym))); |
993 | switch (SYMBOL_CLASS (sym)) | |
994 | { | |
995 | default: | |
996 | printf_filtered ("%s: don't know symbol class %d\n", | |
3567439c | 997 | SYMBOL_PRINT_NAME (sym), |
d183932d | 998 | SYMBOL_CLASS (sym)); |
c5aa993b JM |
999 | break; |
1000 | case LOC_CONST: | |
104c1213 | 1001 | printf_filtered ("constant %s (value %ld) will not be collected.\n", |
3567439c | 1002 | SYMBOL_PRINT_NAME (sym), SYMBOL_VALUE (sym)); |
c5aa993b JM |
1003 | break; |
1004 | case LOC_STATIC: | |
1005 | offset = SYMBOL_VALUE_ADDRESS (sym); | |
1006 | if (info_verbose) | |
104c1213 JM |
1007 | { |
1008 | char tmp[40]; | |
1009 | ||
1010 | sprintf_vma (tmp, offset); | |
1011 | printf_filtered ("LOC_STATIC %s: collect %ld bytes at %s.\n", | |
3567439c | 1012 | SYMBOL_PRINT_NAME (sym), len, |
d183932d | 1013 | tmp /* address */); |
104c1213 | 1014 | } |
f50e79a4 | 1015 | add_memrange (collect, memrange_absolute, offset, len); |
c5aa993b JM |
1016 | break; |
1017 | case LOC_REGISTER: | |
a6d9a66e | 1018 | reg = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); |
c5aa993b | 1019 | if (info_verbose) |
d183932d | 1020 | printf_filtered ("LOC_REG[parm] %s: ", |
3567439c | 1021 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b | 1022 | add_register (collect, reg); |
d183932d MS |
1023 | /* Check for doubles stored in two registers. */ |
1024 | /* FIXME: how about larger types stored in 3 or more regs? */ | |
c5aa993b | 1025 | if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_FLT && |
a6d9a66e | 1026 | len > register_size (gdbarch, reg)) |
c5aa993b JM |
1027 | add_register (collect, reg + 1); |
1028 | break; | |
1029 | case LOC_REF_ARG: | |
1030 | printf_filtered ("Sorry, don't know how to do LOC_REF_ARG yet.\n"); | |
1031 | printf_filtered (" (will not collect %s)\n", | |
3567439c | 1032 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b JM |
1033 | break; |
1034 | case LOC_ARG: | |
1035 | reg = frame_regno; | |
1036 | offset = frame_offset + SYMBOL_VALUE (sym); | |
1037 | if (info_verbose) | |
1038 | { | |
104c1213 | 1039 | printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ", |
3567439c | 1040 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
1041 | printf_vma (offset); |
1042 | printf_filtered (" from frame ptr reg %d\n", reg); | |
c5aa993b JM |
1043 | } |
1044 | add_memrange (collect, reg, offset, len); | |
1045 | break; | |
1046 | case LOC_REGPARM_ADDR: | |
1047 | reg = SYMBOL_VALUE (sym); | |
1048 | offset = 0; | |
1049 | if (info_verbose) | |
1050 | { | |
104c1213 | 1051 | printf_filtered ("LOC_REGPARM_ADDR %s: Collect %ld bytes at offset ", |
3567439c | 1052 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
1053 | printf_vma (offset); |
1054 | printf_filtered (" from reg %d\n", reg); | |
c5aa993b JM |
1055 | } |
1056 | add_memrange (collect, reg, offset, len); | |
1057 | break; | |
1058 | case LOC_LOCAL: | |
c5aa993b JM |
1059 | reg = frame_regno; |
1060 | offset = frame_offset + SYMBOL_VALUE (sym); | |
1061 | if (info_verbose) | |
1062 | { | |
104c1213 | 1063 | printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ", |
3567439c | 1064 | SYMBOL_PRINT_NAME (sym), len); |
104c1213 JM |
1065 | printf_vma (offset); |
1066 | printf_filtered (" from frame ptr reg %d\n", reg); | |
c5aa993b JM |
1067 | } |
1068 | add_memrange (collect, reg, offset, len); | |
1069 | break; | |
c5aa993b | 1070 | case LOC_UNRESOLVED: |
d183932d | 1071 | printf_filtered ("Don't know LOC_UNRESOLVED %s\n", |
3567439c | 1072 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b JM |
1073 | break; |
1074 | case LOC_OPTIMIZED_OUT: | |
8e1a459b | 1075 | printf_filtered ("%s has been optimized out of existence.\n", |
3567439c | 1076 | SYMBOL_PRINT_NAME (sym)); |
c5aa993b | 1077 | break; |
0936ad1d SS |
1078 | |
1079 | case LOC_COMPUTED: | |
1080 | { | |
1081 | struct agent_expr *aexpr; | |
1082 | struct cleanup *old_chain1 = NULL; | |
1083 | struct agent_reqs areqs; | |
1084 | ||
1085 | aexpr = gen_trace_for_var (scope, sym); | |
1086 | ||
1087 | old_chain1 = make_cleanup_free_agent_expr (aexpr); | |
1088 | ||
1089 | ax_reqs (aexpr, &areqs); | |
1090 | if (areqs.flaw != agent_flaw_none) | |
1091 | error (_("malformed expression")); | |
1092 | ||
1093 | if (areqs.min_height < 0) | |
1094 | error (_("gdb: Internal error: expression has min height < 0")); | |
1095 | if (areqs.max_height > 20) | |
1096 | error (_("expression too complicated, try simplifying")); | |
1097 | ||
1098 | discard_cleanups (old_chain1); | |
1099 | add_aexpr (collect, aexpr); | |
1100 | ||
1101 | /* take care of the registers */ | |
1102 | if (areqs.reg_mask_len > 0) | |
1103 | { | |
1104 | int ndx1, ndx2; | |
1105 | ||
1106 | for (ndx1 = 0; ndx1 < areqs.reg_mask_len; ndx1++) | |
1107 | { | |
1108 | QUIT; /* allow user to bail out with ^C */ | |
1109 | if (areqs.reg_mask[ndx1] != 0) | |
1110 | { | |
1111 | /* assume chars have 8 bits */ | |
1112 | for (ndx2 = 0; ndx2 < 8; ndx2++) | |
1113 | if (areqs.reg_mask[ndx1] & (1 << ndx2)) | |
1114 | /* it's used -- record it */ | |
1115 | add_register (collect, | |
1116 | ndx1 * 8 + ndx2); | |
1117 | } | |
1118 | } | |
1119 | } | |
1120 | } | |
1121 | break; | |
c5aa993b | 1122 | } |
c906108c SS |
1123 | } |
1124 | ||
1125 | /* Add all locals (or args) symbols to collection list */ | |
1126 | static void | |
a6d9a66e UW |
1127 | add_local_symbols (struct collection_list *collect, |
1128 | struct gdbarch *gdbarch, CORE_ADDR pc, | |
fba45db2 | 1129 | long frame_regno, long frame_offset, int type) |
c906108c SS |
1130 | { |
1131 | struct symbol *sym; | |
c5aa993b | 1132 | struct block *block; |
de4f826b DC |
1133 | struct dict_iterator iter; |
1134 | int count = 0; | |
c906108c SS |
1135 | |
1136 | block = block_for_pc (pc); | |
1137 | while (block != 0) | |
1138 | { | |
c5aa993b | 1139 | QUIT; /* allow user to bail out with ^C */ |
de4f826b | 1140 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
c906108c | 1141 | { |
2a2d4dc3 AS |
1142 | if (SYMBOL_IS_ARGUMENT (sym) |
1143 | ? type == 'A' /* collecting Arguments */ | |
1144 | : type == 'L') /* collecting Locals */ | |
c5aa993b | 1145 | { |
2a2d4dc3 | 1146 | count++; |
a6d9a66e | 1147 | collect_symbol (collect, sym, gdbarch, |
0936ad1d | 1148 | frame_regno, frame_offset, pc); |
c5aa993b | 1149 | } |
c906108c SS |
1150 | } |
1151 | if (BLOCK_FUNCTION (block)) | |
1152 | break; | |
1153 | else | |
1154 | block = BLOCK_SUPERBLOCK (block); | |
1155 | } | |
1156 | if (count == 0) | |
8a3fe4f8 | 1157 | warning (_("No %s found in scope."), |
d183932d | 1158 | type == 'L' ? "locals" : "args"); |
c906108c SS |
1159 | } |
1160 | ||
1161 | /* worker function */ | |
1162 | static void | |
fba45db2 | 1163 | clear_collection_list (struct collection_list *list) |
c906108c SS |
1164 | { |
1165 | int ndx; | |
1166 | ||
1167 | list->next_memrange = 0; | |
1168 | for (ndx = 0; ndx < list->next_aexpr_elt; ndx++) | |
1169 | { | |
c5aa993b | 1170 | free_agent_expr (list->aexpr_list[ndx]); |
c906108c SS |
1171 | list->aexpr_list[ndx] = NULL; |
1172 | } | |
1173 | list->next_aexpr_elt = 0; | |
1174 | memset (list->regs_mask, 0, sizeof (list->regs_mask)); | |
1175 | } | |
1176 | ||
1177 | /* reduce a collection list to string form (for gdb protocol) */ | |
1178 | static char ** | |
fba45db2 | 1179 | stringify_collection_list (struct collection_list *list, char *string) |
c906108c SS |
1180 | { |
1181 | char temp_buf[2048]; | |
104c1213 | 1182 | char tmp2[40]; |
c906108c SS |
1183 | int count; |
1184 | int ndx = 0; | |
1185 | char *(*str_list)[]; | |
1186 | char *end; | |
c5aa993b | 1187 | long i; |
c906108c SS |
1188 | |
1189 | count = 1 + list->next_memrange + list->next_aexpr_elt + 1; | |
c5aa993b | 1190 | str_list = (char *(*)[]) xmalloc (count * sizeof (char *)); |
c906108c SS |
1191 | |
1192 | for (i = sizeof (list->regs_mask) - 1; i > 0; i--) | |
1193 | if (list->regs_mask[i] != 0) /* skip leading zeroes in regs_mask */ | |
1194 | break; | |
1195 | if (list->regs_mask[i] != 0) /* prepare to send regs_mask to the stub */ | |
1196 | { | |
1197 | if (info_verbose) | |
1198 | printf_filtered ("\nCollecting registers (mask): 0x"); | |
1199 | end = temp_buf; | |
c5aa993b | 1200 | *end++ = 'R'; |
c906108c SS |
1201 | for (; i >= 0; i--) |
1202 | { | |
c5aa993b | 1203 | QUIT; /* allow user to bail out with ^C */ |
c906108c SS |
1204 | if (info_verbose) |
1205 | printf_filtered ("%02X", list->regs_mask[i]); | |
c5aa993b | 1206 | sprintf (end, "%02X", list->regs_mask[i]); |
c906108c SS |
1207 | end += 2; |
1208 | } | |
1b36a34b | 1209 | (*str_list)[ndx] = xstrdup (temp_buf); |
c906108c SS |
1210 | ndx++; |
1211 | } | |
1212 | if (info_verbose) | |
1213 | printf_filtered ("\n"); | |
1214 | if (list->next_memrange > 0 && info_verbose) | |
1215 | printf_filtered ("Collecting memranges: \n"); | |
1216 | for (i = 0, count = 0, end = temp_buf; i < list->next_memrange; i++) | |
1217 | { | |
1218 | QUIT; /* allow user to bail out with ^C */ | |
104c1213 | 1219 | sprintf_vma (tmp2, list->list[i].start); |
c906108c | 1220 | if (info_verbose) |
104c1213 JM |
1221 | { |
1222 | printf_filtered ("(%d, %s, %ld)\n", | |
1223 | list->list[i].type, | |
1224 | tmp2, | |
1225 | (long) (list->list[i].end - list->list[i].start)); | |
1226 | } | |
c906108c SS |
1227 | if (count + 27 > MAX_AGENT_EXPR_LEN) |
1228 | { | |
c5aa993b | 1229 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
1230 | ndx++; |
1231 | count = 0; | |
1232 | end = temp_buf; | |
1233 | } | |
104c1213 | 1234 | |
d1948716 JB |
1235 | { |
1236 | bfd_signed_vma length = list->list[i].end - list->list[i].start; | |
1237 | ||
1238 | /* The "%X" conversion specifier expects an unsigned argument, | |
f50e79a4 JB |
1239 | so passing -1 (memrange_absolute) to it directly gives you |
1240 | "FFFFFFFF" (or more, depending on sizeof (unsigned)). | |
1241 | Special-case it. */ | |
1242 | if (list->list[i].type == memrange_absolute) | |
d1948716 JB |
1243 | sprintf (end, "M-1,%s,%lX", tmp2, (long) length); |
1244 | else | |
1245 | sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length); | |
1246 | } | |
104c1213 | 1247 | |
c906108c | 1248 | count += strlen (end); |
3ffbc0a5 | 1249 | end = temp_buf + count; |
c906108c SS |
1250 | } |
1251 | ||
1252 | for (i = 0; i < list->next_aexpr_elt; i++) | |
1253 | { | |
1254 | QUIT; /* allow user to bail out with ^C */ | |
1255 | if ((count + 10 + 2 * list->aexpr_list[i]->len) > MAX_AGENT_EXPR_LEN) | |
1256 | { | |
c5aa993b | 1257 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
1258 | ndx++; |
1259 | count = 0; | |
1260 | end = temp_buf; | |
1261 | } | |
1262 | sprintf (end, "X%08X,", list->aexpr_list[i]->len); | |
1263 | end += 10; /* 'X' + 8 hex digits + ',' */ | |
1264 | count += 10; | |
1265 | ||
d183932d MS |
1266 | end = mem2hex (list->aexpr_list[i]->buf, |
1267 | end, list->aexpr_list[i]->len); | |
c906108c SS |
1268 | count += 2 * list->aexpr_list[i]->len; |
1269 | } | |
1270 | ||
1271 | if (count != 0) | |
1272 | { | |
c5aa993b | 1273 | (*str_list)[ndx] = savestring (temp_buf, count); |
c906108c SS |
1274 | ndx++; |
1275 | count = 0; | |
1276 | end = temp_buf; | |
1277 | } | |
1278 | (*str_list)[ndx] = NULL; | |
1279 | ||
1280 | if (ndx == 0) | |
27e06d3e | 1281 | { |
6c761d9c | 1282 | xfree (str_list); |
27e06d3e MS |
1283 | return NULL; |
1284 | } | |
c906108c SS |
1285 | else |
1286 | return *str_list; | |
1287 | } | |
1288 | ||
392a587b | 1289 | static void |
fba45db2 | 1290 | free_actions_list_cleanup_wrapper (void *al) |
392a587b JM |
1291 | { |
1292 | free_actions_list (al); | |
1293 | } | |
1294 | ||
1295 | static void | |
fba45db2 | 1296 | free_actions_list (char **actions_list) |
c906108c SS |
1297 | { |
1298 | int ndx; | |
1299 | ||
1300 | if (actions_list == 0) | |
1301 | return; | |
1302 | ||
1303 | for (ndx = 0; actions_list[ndx]; ndx++) | |
b8c9b27d | 1304 | xfree (actions_list[ndx]); |
c906108c | 1305 | |
b8c9b27d | 1306 | xfree (actions_list); |
c906108c SS |
1307 | } |
1308 | ||
d183932d | 1309 | /* Render all actions into gdb protocol. */ |
c906108c | 1310 | static void |
1042e4c0 | 1311 | encode_actions (struct breakpoint *t, char ***tdp_actions, |
fba45db2 | 1312 | char ***stepping_actions) |
c906108c | 1313 | { |
c5aa993b JM |
1314 | static char tdp_buff[2048], step_buff[2048]; |
1315 | char *action_exp; | |
1316 | struct expression *exp = NULL; | |
c906108c | 1317 | struct action_line *action; |
104c1213 | 1318 | int i; |
f976f6d4 | 1319 | struct value *tempval; |
c5aa993b | 1320 | struct collection_list *collect; |
c906108c SS |
1321 | struct cmd_list_element *cmd; |
1322 | struct agent_expr *aexpr; | |
39d4ef09 AC |
1323 | int frame_reg; |
1324 | LONGEST frame_offset; | |
236f1d4d SS |
1325 | char *default_collect_line = NULL; |
1326 | struct action_line *default_collect_action = NULL; | |
c906108c SS |
1327 | |
1328 | clear_collection_list (&tracepoint_list); | |
1329 | clear_collection_list (&stepping_list); | |
1330 | collect = &tracepoint_list; | |
1331 | ||
1332 | *tdp_actions = NULL; | |
1333 | *stepping_actions = NULL; | |
1334 | ||
a6d9a66e | 1335 | gdbarch_virtual_frame_pointer (t->gdbarch, |
1042e4c0 | 1336 | t->loc->address, &frame_reg, &frame_offset); |
c906108c | 1337 | |
236f1d4d SS |
1338 | action = t->actions; |
1339 | ||
1340 | /* If there are default expressions to collect, make up a collect | |
1341 | action and prepend to the action list to encode. Note that since | |
1342 | validation is per-tracepoint (local var "xyz" might be valid for | |
1343 | one tracepoint and not another, etc), we make up the action on | |
1344 | the fly, and don't cache it. */ | |
1345 | if (*default_collect) | |
1346 | { | |
1347 | char *line; | |
1348 | enum actionline_type linetype; | |
1349 | ||
1350 | default_collect_line = xmalloc (12 + strlen (default_collect)); | |
1351 | sprintf (default_collect_line, "collect %s", default_collect); | |
1352 | line = default_collect_line; | |
1353 | linetype = validate_actionline (&line, t); | |
1354 | if (linetype != BADLINE) | |
1355 | { | |
1356 | default_collect_action = xmalloc (sizeof (struct action_line)); | |
1357 | default_collect_action->next = t->actions; | |
1358 | default_collect_action->action = line; | |
1359 | action = default_collect_action; | |
1360 | } | |
1361 | } | |
1362 | ||
1363 | for (; action; action = action->next) | |
c906108c SS |
1364 | { |
1365 | QUIT; /* allow user to bail out with ^C */ | |
1366 | action_exp = action->action; | |
104c1213 | 1367 | while (isspace ((int) *action_exp)) |
c906108c SS |
1368 | action_exp++; |
1369 | ||
1370 | if (*action_exp == '#') /* comment line */ | |
1371 | return; | |
1372 | ||
1373 | cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1); | |
1374 | if (cmd == 0) | |
8a3fe4f8 | 1375 | error (_("Bad action list item: %s"), action_exp); |
c906108c | 1376 | |
bbaca940 | 1377 | if (cmd_cfunc_eq (cmd, collect_pseudocommand)) |
c906108c | 1378 | { |
c5aa993b JM |
1379 | do |
1380 | { /* repeat over a comma-separated list */ | |
1381 | QUIT; /* allow user to bail out with ^C */ | |
104c1213 | 1382 | while (isspace ((int) *action_exp)) |
c5aa993b | 1383 | action_exp++; |
c906108c | 1384 | |
c5aa993b JM |
1385 | if (0 == strncasecmp ("$reg", action_exp, 4)) |
1386 | { | |
a6d9a66e | 1387 | for (i = 0; i < gdbarch_num_regs (t->gdbarch); i++) |
c5aa993b JM |
1388 | add_register (collect, i); |
1389 | action_exp = strchr (action_exp, ','); /* more? */ | |
1390 | } | |
1391 | else if (0 == strncasecmp ("$arg", action_exp, 4)) | |
1392 | { | |
1393 | add_local_symbols (collect, | |
a6d9a66e | 1394 | t->gdbarch, |
1042e4c0 | 1395 | t->loc->address, |
c5aa993b JM |
1396 | frame_reg, |
1397 | frame_offset, | |
1398 | 'A'); | |
1399 | action_exp = strchr (action_exp, ','); /* more? */ | |
1400 | } | |
1401 | else if (0 == strncasecmp ("$loc", action_exp, 4)) | |
1402 | { | |
1403 | add_local_symbols (collect, | |
a6d9a66e | 1404 | t->gdbarch, |
1042e4c0 | 1405 | t->loc->address, |
c5aa993b JM |
1406 | frame_reg, |
1407 | frame_offset, | |
1408 | 'L'); | |
1409 | action_exp = strchr (action_exp, ','); /* more? */ | |
1410 | } | |
1411 | else | |
1412 | { | |
1413 | unsigned long addr, len; | |
1414 | struct cleanup *old_chain = NULL; | |
1415 | struct cleanup *old_chain1 = NULL; | |
1416 | struct agent_reqs areqs; | |
1417 | ||
75ac9d7b | 1418 | exp = parse_exp_1 (&action_exp, |
1042e4c0 | 1419 | block_for_pc (t->loc->address), 1); |
74b7792f | 1420 | old_chain = make_cleanup (free_current_contents, &exp); |
c906108c | 1421 | |
c5aa993b JM |
1422 | switch (exp->elts[0].opcode) |
1423 | { | |
1424 | case OP_REGISTER: | |
67f3407f DJ |
1425 | { |
1426 | const char *name = &exp->elts[2].string; | |
1427 | ||
a6d9a66e | 1428 | i = user_reg_map_name_to_regnum (t->gdbarch, |
029a67e4 | 1429 | name, strlen (name)); |
67f3407f DJ |
1430 | if (i == -1) |
1431 | internal_error (__FILE__, __LINE__, | |
1432 | _("Register $%s not available"), | |
1433 | name); | |
1434 | if (info_verbose) | |
1435 | printf_filtered ("OP_REGISTER: "); | |
1436 | add_register (collect, i); | |
1437 | break; | |
1438 | } | |
c5aa993b JM |
1439 | |
1440 | case UNOP_MEMVAL: | |
1441 | /* safe because we know it's a simple expression */ | |
1442 | tempval = evaluate_expression (exp); | |
42ae5230 | 1443 | addr = value_address (tempval); |
c5aa993b | 1444 | len = TYPE_LENGTH (check_typedef (exp->elts[1].type)); |
f50e79a4 | 1445 | add_memrange (collect, memrange_absolute, addr, len); |
c5aa993b JM |
1446 | break; |
1447 | ||
1448 | case OP_VAR_VALUE: | |
1449 | collect_symbol (collect, | |
1450 | exp->elts[2].symbol, | |
a6d9a66e | 1451 | t->gdbarch, |
c5aa993b | 1452 | frame_reg, |
0936ad1d SS |
1453 | frame_offset, |
1454 | t->loc->address); | |
c5aa993b JM |
1455 | break; |
1456 | ||
1457 | default: /* full-fledged expression */ | |
1042e4c0 | 1458 | aexpr = gen_trace_for_expr (t->loc->address, exp); |
c5aa993b | 1459 | |
f23d52e0 | 1460 | old_chain1 = make_cleanup_free_agent_expr (aexpr); |
c5aa993b JM |
1461 | |
1462 | ax_reqs (aexpr, &areqs); | |
1463 | if (areqs.flaw != agent_flaw_none) | |
8a3fe4f8 | 1464 | error (_("malformed expression")); |
c5aa993b JM |
1465 | |
1466 | if (areqs.min_height < 0) | |
8a3fe4f8 | 1467 | error (_("gdb: Internal error: expression has min height < 0")); |
c5aa993b | 1468 | if (areqs.max_height > 20) |
8a3fe4f8 | 1469 | error (_("expression too complicated, try simplifying")); |
c5aa993b JM |
1470 | |
1471 | discard_cleanups (old_chain1); | |
1472 | add_aexpr (collect, aexpr); | |
1473 | ||
1474 | /* take care of the registers */ | |
1475 | if (areqs.reg_mask_len > 0) | |
c906108c | 1476 | { |
c5aa993b JM |
1477 | int ndx1; |
1478 | int ndx2; | |
1479 | ||
1480 | for (ndx1 = 0; ndx1 < areqs.reg_mask_len; ndx1++) | |
c906108c | 1481 | { |
c5aa993b JM |
1482 | QUIT; /* allow user to bail out with ^C */ |
1483 | if (areqs.reg_mask[ndx1] != 0) | |
1484 | { | |
1485 | /* assume chars have 8 bits */ | |
1486 | for (ndx2 = 0; ndx2 < 8; ndx2++) | |
1487 | if (areqs.reg_mask[ndx1] & (1 << ndx2)) | |
1488 | /* it's used -- record it */ | |
d183932d MS |
1489 | add_register (collect, |
1490 | ndx1 * 8 + ndx2); | |
c5aa993b | 1491 | } |
c906108c SS |
1492 | } |
1493 | } | |
c5aa993b JM |
1494 | break; |
1495 | } /* switch */ | |
1496 | do_cleanups (old_chain); | |
1497 | } /* do */ | |
1498 | } | |
1499 | while (action_exp && *action_exp++ == ','); | |
1500 | } /* if */ | |
6da95a67 SS |
1501 | else if (cmd_cfunc_eq (cmd, teval_pseudocommand)) |
1502 | { | |
1503 | do | |
1504 | { /* repeat over a comma-separated list */ | |
1505 | QUIT; /* allow user to bail out with ^C */ | |
1506 | while (isspace ((int) *action_exp)) | |
1507 | action_exp++; | |
1508 | ||
1509 | { | |
1510 | unsigned long addr, len; | |
1511 | struct cleanup *old_chain = NULL; | |
1512 | struct cleanup *old_chain1 = NULL; | |
1513 | struct agent_reqs areqs; | |
1514 | ||
1515 | exp = parse_exp_1 (&action_exp, | |
1516 | block_for_pc (t->loc->address), 1); | |
1517 | old_chain = make_cleanup (free_current_contents, &exp); | |
1518 | ||
1519 | aexpr = gen_eval_for_expr (t->loc->address, exp); | |
1520 | old_chain1 = make_cleanup_free_agent_expr (aexpr); | |
1521 | ||
1522 | ax_reqs (aexpr, &areqs); | |
1523 | if (areqs.flaw != agent_flaw_none) | |
1524 | error (_("malformed expression")); | |
1525 | ||
1526 | if (areqs.min_height < 0) | |
1527 | error (_("gdb: Internal error: expression has min height < 0")); | |
1528 | if (areqs.max_height > 20) | |
1529 | error (_("expression too complicated, try simplifying")); | |
1530 | ||
1531 | discard_cleanups (old_chain1); | |
1532 | /* Even though we're not officially collecting, add | |
1533 | to the collect list anyway. */ | |
1534 | add_aexpr (collect, aexpr); | |
1535 | ||
1536 | do_cleanups (old_chain); | |
1537 | } /* do */ | |
1538 | } | |
1539 | while (action_exp && *action_exp++ == ','); | |
1540 | } /* if */ | |
bbaca940 | 1541 | else if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) |
c906108c SS |
1542 | { |
1543 | collect = &stepping_list; | |
1544 | } | |
bbaca940 | 1545 | else if (cmd_cfunc_eq (cmd, end_actions_pseudocommand)) |
c906108c SS |
1546 | { |
1547 | if (collect == &stepping_list) /* end stepping actions */ | |
1548 | collect = &tracepoint_list; | |
1549 | else | |
c5aa993b | 1550 | break; /* end tracepoint actions */ |
c906108c | 1551 | } |
c5aa993b JM |
1552 | } /* for */ |
1553 | memrange_sortmerge (&tracepoint_list); | |
1554 | memrange_sortmerge (&stepping_list); | |
c906108c | 1555 | |
d183932d MS |
1556 | *tdp_actions = stringify_collection_list (&tracepoint_list, |
1557 | tdp_buff); | |
1558 | *stepping_actions = stringify_collection_list (&stepping_list, | |
1559 | step_buff); | |
236f1d4d SS |
1560 | |
1561 | xfree (default_collect_line); | |
1562 | xfree (default_collect_action); | |
c906108c SS |
1563 | } |
1564 | ||
1565 | static void | |
fba45db2 | 1566 | add_aexpr (struct collection_list *collect, struct agent_expr *aexpr) |
c906108c SS |
1567 | { |
1568 | if (collect->next_aexpr_elt >= collect->aexpr_listsize) | |
1569 | { | |
1570 | collect->aexpr_list = | |
1571 | xrealloc (collect->aexpr_list, | |
c5aa993b | 1572 | 2 * collect->aexpr_listsize * sizeof (struct agent_expr *)); |
c906108c SS |
1573 | collect->aexpr_listsize *= 2; |
1574 | } | |
1575 | collect->aexpr_list[collect->next_aexpr_elt] = aexpr; | |
1576 | collect->next_aexpr_elt++; | |
1577 | } | |
1578 | ||
c906108c SS |
1579 | /* Set "transparent" memory ranges |
1580 | ||
1581 | Allow trace mechanism to treat text-like sections | |
1582 | (and perhaps all read-only sections) transparently, | |
1583 | i.e. don't reject memory requests from these address ranges | |
1584 | just because they haven't been collected. */ | |
1585 | ||
1586 | static void | |
1587 | remote_set_transparent_ranges (void) | |
1588 | { | |
c906108c SS |
1589 | asection *s; |
1590 | bfd_size_type size; | |
1591 | bfd_vma lma; | |
1592 | int anysecs = 0; | |
1593 | ||
1594 | if (!exec_bfd) | |
d183932d | 1595 | return; /* No information to give. */ |
c906108c SS |
1596 | |
1597 | strcpy (target_buf, "QTro"); | |
1598 | for (s = exec_bfd->sections; s; s = s->next) | |
1599 | { | |
104c1213 | 1600 | char tmp1[40], tmp2[40]; |
c906108c | 1601 | |
c5aa993b JM |
1602 | if ((s->flags & SEC_LOAD) == 0 || |
1603 | /* (s->flags & SEC_CODE) == 0 || */ | |
c906108c SS |
1604 | (s->flags & SEC_READONLY) == 0) |
1605 | continue; | |
1606 | ||
1607 | anysecs = 1; | |
c5aa993b | 1608 | lma = s->lma; |
2c500098 | 1609 | size = bfd_get_section_size (s); |
104c1213 JM |
1610 | sprintf_vma (tmp1, lma); |
1611 | sprintf_vma (tmp2, lma + size); | |
1612 | sprintf (target_buf + strlen (target_buf), | |
1613 | ":%s,%s", tmp1, tmp2); | |
c906108c SS |
1614 | } |
1615 | if (anysecs) | |
1616 | { | |
1617 | putpkt (target_buf); | |
6d820c5c | 1618 | getpkt (&target_buf, &target_buf_size, 0); |
c906108c SS |
1619 | } |
1620 | } | |
1621 | ||
1622 | /* tstart command: | |
c5aa993b | 1623 | |
c906108c SS |
1624 | Tell target to clear any previous trace experiment. |
1625 | Walk the list of tracepoints, and send them (and their actions) | |
1626 | to the target. If no errors, | |
1627 | Tell target to start a new trace experiment. */ | |
1628 | ||
1042e4c0 SS |
1629 | void download_tracepoint (struct breakpoint *t); |
1630 | ||
c906108c | 1631 | static void |
fba45db2 | 1632 | trace_start_command (char *args, int from_tty) |
d183932d | 1633 | { |
f61e138d | 1634 | char buf[2048]; |
1042e4c0 SS |
1635 | VEC(breakpoint_p) *tp_vec = NULL; |
1636 | int ix; | |
1637 | struct breakpoint *t; | |
f61e138d | 1638 | struct trace_state_variable *tsv; |
c906108c | 1639 | |
d183932d | 1640 | dont_repeat (); /* Like "run", dangerous to repeat accidentally. */ |
c5aa993b | 1641 | |
c906108c SS |
1642 | if (target_is_remote ()) |
1643 | { | |
1644 | putpkt ("QTinit"); | |
6d820c5c | 1645 | remote_get_noisy_reply (&target_buf, &target_buf_size); |
c906108c | 1646 | if (strcmp (target_buf, "OK")) |
8a3fe4f8 | 1647 | error (_("Target does not support this command.")); |
c906108c | 1648 | |
1042e4c0 SS |
1649 | tp_vec = all_tracepoints (); |
1650 | for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, t); ix++) | |
1651 | { | |
1652 | download_tracepoint (t); | |
1653 | } | |
1654 | VEC_free (breakpoint_p, tp_vec); | |
c5aa993b | 1655 | |
f61e138d SS |
1656 | /* Init any trace state variables that start with nonzero values. */ |
1657 | ||
1658 | for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) | |
1659 | { | |
1660 | if (tsv->initial_value != 0) | |
1661 | { | |
1662 | sprintf (buf, "QTDV:%x:%s", | |
1663 | tsv->number, phex ((ULONGEST) tsv->initial_value, 8)); | |
1664 | putpkt (buf); | |
1665 | remote_get_noisy_reply (&target_buf, &target_buf_size); | |
1666 | } | |
1667 | } | |
1668 | ||
d183932d | 1669 | /* Tell target to treat text-like sections as transparent. */ |
c906108c | 1670 | remote_set_transparent_ranges (); |
d183932d | 1671 | /* Now insert traps and begin collecting data. */ |
c906108c | 1672 | putpkt ("QTStart"); |
6d820c5c | 1673 | remote_get_noisy_reply (&target_buf, &target_buf_size); |
c906108c | 1674 | if (strcmp (target_buf, "OK")) |
8a3fe4f8 | 1675 | error (_("Bogus reply from target: %s"), target_buf); |
d183932d | 1676 | set_traceframe_num (-1); /* All old traceframes invalidated. */ |
c906108c | 1677 | set_tracepoint_num (-1); |
fb14de7b | 1678 | set_traceframe_context (NULL); |
c906108c | 1679 | trace_running_p = 1; |
9a4105ab AC |
1680 | if (deprecated_trace_start_stop_hook) |
1681 | deprecated_trace_start_stop_hook (1, from_tty); | |
c5aa993b | 1682 | |
c906108c SS |
1683 | } |
1684 | else | |
8a3fe4f8 | 1685 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1686 | } |
1687 | ||
1042e4c0 SS |
1688 | /* Send the definition of a single tracepoint to the target. */ |
1689 | ||
1690 | void | |
1691 | download_tracepoint (struct breakpoint *t) | |
1692 | { | |
1693 | char tmp[40]; | |
1694 | char buf[2048]; | |
1695 | char **tdp_actions; | |
1696 | char **stepping_actions; | |
1697 | int ndx; | |
1698 | struct cleanup *old_chain = NULL; | |
782b2b07 SS |
1699 | struct agent_expr *aexpr; |
1700 | struct cleanup *aexpr_chain = NULL; | |
1042e4c0 SS |
1701 | |
1702 | sprintf_vma (tmp, (t->loc ? t->loc->address : 0)); | |
1703 | sprintf (buf, "QTDP:%x:%s:%c:%lx:%x", t->number, | |
1704 | tmp, /* address */ | |
1705 | (t->enable_state == bp_enabled ? 'E' : 'D'), | |
1706 | t->step_count, t->pass_count); | |
782b2b07 SS |
1707 | /* If the tracepoint has a conditional, make it into an agent |
1708 | expression and append to the definition. */ | |
1709 | if (t->loc->cond) | |
1710 | { | |
1711 | /* Only test support at download time, we may not know target | |
1712 | capabilities at definition time. */ | |
1713 | if (remote_supports_cond_tracepoints ()) | |
1714 | { | |
1715 | aexpr = gen_eval_for_expr (t->loc->address, t->loc->cond); | |
1716 | aexpr_chain = make_cleanup_free_agent_expr (aexpr); | |
1717 | sprintf (buf + strlen (buf), ":X%x,", aexpr->len); | |
1718 | mem2hex (aexpr->buf, buf + strlen (buf), aexpr->len); | |
1719 | do_cleanups (aexpr_chain); | |
1720 | } | |
1721 | else | |
1722 | warning (_("Target does not support conditional tracepoints, ignoring tp %d cond"), t->number); | |
1723 | } | |
1042e4c0 | 1724 | |
236f1d4d | 1725 | if (t->actions || *default_collect) |
1042e4c0 SS |
1726 | strcat (buf, "-"); |
1727 | putpkt (buf); | |
1728 | remote_get_noisy_reply (&target_buf, &target_buf_size); | |
1729 | if (strcmp (target_buf, "OK")) | |
1730 | error (_("Target does not support tracepoints.")); | |
1731 | ||
236f1d4d | 1732 | if (!t->actions && !*default_collect) |
1042e4c0 SS |
1733 | return; |
1734 | ||
1735 | encode_actions (t, &tdp_actions, &stepping_actions); | |
1736 | old_chain = make_cleanup (free_actions_list_cleanup_wrapper, | |
1737 | tdp_actions); | |
1738 | (void) make_cleanup (free_actions_list_cleanup_wrapper, stepping_actions); | |
1739 | ||
1740 | /* do_single_steps (t); */ | |
1741 | if (tdp_actions) | |
1742 | { | |
1743 | for (ndx = 0; tdp_actions[ndx]; ndx++) | |
1744 | { | |
1745 | QUIT; /* allow user to bail out with ^C */ | |
1746 | sprintf (buf, "QTDP:-%x:%s:%s%c", | |
1747 | t->number, tmp, /* address */ | |
1748 | tdp_actions[ndx], | |
1749 | ((tdp_actions[ndx + 1] || stepping_actions) | |
1750 | ? '-' : 0)); | |
1751 | putpkt (buf); | |
1752 | remote_get_noisy_reply (&target_buf, | |
1753 | &target_buf_size); | |
1754 | if (strcmp (target_buf, "OK")) | |
1755 | error (_("Error on target while setting tracepoints.")); | |
1756 | } | |
1757 | } | |
1758 | if (stepping_actions) | |
1759 | { | |
1760 | for (ndx = 0; stepping_actions[ndx]; ndx++) | |
1761 | { | |
1762 | QUIT; /* allow user to bail out with ^C */ | |
1763 | sprintf (buf, "QTDP:-%x:%s:%s%s%s", | |
1764 | t->number, tmp, /* address */ | |
1765 | ((ndx == 0) ? "S" : ""), | |
1766 | stepping_actions[ndx], | |
1767 | (stepping_actions[ndx + 1] ? "-" : "")); | |
1768 | putpkt (buf); | |
1769 | remote_get_noisy_reply (&target_buf, | |
1770 | &target_buf_size); | |
1771 | if (strcmp (target_buf, "OK")) | |
1772 | error (_("Error on target while setting tracepoints.")); | |
1773 | } | |
1774 | } | |
1775 | do_cleanups (old_chain); | |
1776 | } | |
1777 | ||
c906108c SS |
1778 | /* tstop command */ |
1779 | static void | |
fba45db2 | 1780 | trace_stop_command (char *args, int from_tty) |
d183932d | 1781 | { |
c906108c SS |
1782 | if (target_is_remote ()) |
1783 | { | |
1784 | putpkt ("QTStop"); | |
6d820c5c | 1785 | remote_get_noisy_reply (&target_buf, &target_buf_size); |
c906108c | 1786 | if (strcmp (target_buf, "OK")) |
8a3fe4f8 | 1787 | error (_("Bogus reply from target: %s"), target_buf); |
c906108c | 1788 | trace_running_p = 0; |
9a4105ab AC |
1789 | if (deprecated_trace_start_stop_hook) |
1790 | deprecated_trace_start_stop_hook (0, from_tty); | |
c906108c SS |
1791 | } |
1792 | else | |
8a3fe4f8 | 1793 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1794 | } |
1795 | ||
1796 | unsigned long trace_running_p; | |
1797 | ||
1798 | /* tstatus command */ | |
1799 | static void | |
fba45db2 | 1800 | trace_status_command (char *args, int from_tty) |
d183932d | 1801 | { |
c906108c SS |
1802 | if (target_is_remote ()) |
1803 | { | |
1804 | putpkt ("qTStatus"); | |
6d820c5c | 1805 | remote_get_noisy_reply (&target_buf, &target_buf_size); |
c906108c SS |
1806 | |
1807 | if (target_buf[0] != 'T' || | |
1808 | (target_buf[1] != '0' && target_buf[1] != '1')) | |
8a3fe4f8 | 1809 | error (_("Bogus reply from target: %s"), target_buf); |
c906108c SS |
1810 | |
1811 | /* exported for use by the GUI */ | |
1812 | trace_running_p = (target_buf[1] == '1'); | |
d3513012 SS |
1813 | |
1814 | if (trace_running_p) | |
1815 | printf_filtered (_("Trace is running on the target.\n")); | |
1816 | else | |
1817 | printf_filtered (_("Trace is not running on the target.\n")); | |
1818 | ||
1819 | if (traceframe_number >= 0) | |
1820 | printf_filtered (_("Looking at trace frame %d, tracepoint %d.\n"), | |
1821 | traceframe_number, tracepoint_number); | |
1822 | else | |
1823 | printf_filtered (_("Not looking at any trace frame.\n")); | |
1824 | ||
c906108c SS |
1825 | } |
1826 | else | |
8a3fe4f8 | 1827 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1828 | } |
1829 | ||
d183932d | 1830 | /* Worker function for the various flavors of the tfind command. */ |
c906108c | 1831 | static void |
6d820c5c DJ |
1832 | finish_tfind_command (char **msg, |
1833 | long *sizeof_msg, | |
c2d11a7d | 1834 | int from_tty) |
c906108c SS |
1835 | { |
1836 | int target_frameno = -1, target_tracept = -1; | |
fb14de7b | 1837 | struct frame_id old_frame_id; |
c906108c SS |
1838 | char *reply; |
1839 | ||
fb14de7b | 1840 | old_frame_id = get_frame_id (get_current_frame ()); |
c906108c | 1841 | |
6d820c5c | 1842 | putpkt (*msg); |
c2d11a7d | 1843 | reply = remote_get_noisy_reply (msg, sizeof_msg); |
c906108c SS |
1844 | |
1845 | while (reply && *reply) | |
c5aa993b JM |
1846 | switch (*reply) |
1847 | { | |
1848 | case 'F': | |
1849 | if ((target_frameno = (int) strtol (++reply, &reply, 16)) == -1) | |
1850 | { | |
1851 | /* A request for a non-existant trace frame has failed. | |
1852 | Our response will be different, depending on FROM_TTY: | |
1853 | ||
1854 | If FROM_TTY is true, meaning that this command was | |
1855 | typed interactively by the user, then give an error | |
1856 | and DO NOT change the state of traceframe_number etc. | |
1857 | ||
1858 | However if FROM_TTY is false, meaning that we're either | |
1859 | in a script, a loop, or a user-defined command, then | |
1860 | DON'T give an error, but DO change the state of | |
1861 | traceframe_number etc. to invalid. | |
1862 | ||
1863 | The rationalle is that if you typed the command, you | |
1864 | might just have committed a typo or something, and you'd | |
1865 | like to NOT lose your current debugging state. However | |
1866 | if you're in a user-defined command or especially in a | |
1867 | loop, then you need a way to detect that the command | |
1868 | failed WITHOUT aborting. This allows you to write | |
1869 | scripts that search thru the trace buffer until the end, | |
1870 | and then continue on to do something else. */ | |
1871 | ||
1872 | if (from_tty) | |
8a3fe4f8 | 1873 | error (_("Target failed to find requested trace frame.")); |
c5aa993b JM |
1874 | else |
1875 | { | |
1876 | if (info_verbose) | |
1877 | printf_filtered ("End of trace buffer.\n"); | |
d183932d MS |
1878 | /* The following will not recurse, since it's |
1879 | special-cased. */ | |
c5aa993b | 1880 | trace_find_command ("-1", from_tty); |
d183932d MS |
1881 | reply = NULL; /* Break out of loop |
1882 | (avoid recursive nonsense). */ | |
c5aa993b JM |
1883 | } |
1884 | } | |
1885 | break; | |
1886 | case 'T': | |
1887 | if ((target_tracept = (int) strtol (++reply, &reply, 16)) == -1) | |
8a3fe4f8 | 1888 | error (_("Target failed to find requested trace frame.")); |
c5aa993b JM |
1889 | break; |
1890 | case 'O': /* "OK"? */ | |
1891 | if (reply[1] == 'K' && reply[2] == '\0') | |
1892 | reply += 2; | |
1893 | else | |
8a3fe4f8 | 1894 | error (_("Bogus reply from target: %s"), reply); |
c5aa993b JM |
1895 | break; |
1896 | default: | |
8a3fe4f8 | 1897 | error (_("Bogus reply from target: %s"), reply); |
c5aa993b | 1898 | } |
c906108c | 1899 | |
35f196d9 | 1900 | reinit_frame_cache (); |
c906108c | 1901 | registers_changed (); |
c906108c SS |
1902 | set_traceframe_num (target_frameno); |
1903 | set_tracepoint_num (target_tracept); | |
1904 | if (target_frameno == -1) | |
fb14de7b | 1905 | set_traceframe_context (NULL); |
c906108c | 1906 | else |
fb14de7b | 1907 | set_traceframe_context (get_current_frame ()); |
c906108c SS |
1908 | |
1909 | if (from_tty) | |
1910 | { | |
0faf0076 | 1911 | enum print_what print_what; |
c906108c SS |
1912 | |
1913 | /* NOTE: in immitation of the step command, try to determine | |
d183932d MS |
1914 | whether we have made a transition from one function to |
1915 | another. If so, we'll print the "stack frame" (ie. the new | |
1916 | function and it's arguments) -- otherwise we'll just show the | |
fb14de7b UW |
1917 | new source line. */ |
1918 | ||
1919 | if (frame_id_eq (old_frame_id, | |
1920 | get_frame_id (get_current_frame ()))) | |
0faf0076 | 1921 | print_what = SRC_LINE; |
c906108c | 1922 | else |
0faf0076 | 1923 | print_what = SRC_AND_LOC; |
c906108c | 1924 | |
b04f3ab4 | 1925 | print_stack_frame (get_selected_frame (NULL), 1, print_what); |
c906108c SS |
1926 | do_displays (); |
1927 | } | |
1928 | } | |
1929 | ||
1930 | /* trace_find_command takes a trace frame number n, | |
1931 | sends "QTFrame:<n>" to the target, | |
1932 | and accepts a reply that may contain several optional pieces | |
1933 | of information: a frame number, a tracepoint number, and an | |
1934 | indication of whether this is a trap frame or a stepping frame. | |
1935 | ||
1936 | The minimal response is just "OK" (which indicates that the | |
1937 | target does not give us a frame number or a tracepoint number). | |
1938 | Instead of that, the target may send us a string containing | |
1939 | any combination of: | |
c5aa993b JM |
1940 | F<hexnum> (gives the selected frame number) |
1941 | T<hexnum> (gives the selected tracepoint number) | |
1942 | */ | |
c906108c SS |
1943 | |
1944 | /* tfind command */ | |
1945 | static void | |
fba45db2 | 1946 | trace_find_command (char *args, int from_tty) |
d183932d | 1947 | { /* this should only be called with a numeric argument */ |
c906108c | 1948 | int frameno = -1; |
c906108c SS |
1949 | |
1950 | if (target_is_remote ()) | |
1951 | { | |
383e5f85 SS |
1952 | if (trace_running_p) |
1953 | error ("May not look at trace frames while trace is running."); | |
1954 | ||
9a4105ab AC |
1955 | if (deprecated_trace_find_hook) |
1956 | deprecated_trace_find_hook (args, from_tty); | |
c5aa993b | 1957 | |
c906108c | 1958 | if (args == 0 || *args == 0) |
d183932d | 1959 | { /* TFIND with no args means find NEXT trace frame. */ |
c906108c SS |
1960 | if (traceframe_number == -1) |
1961 | frameno = 0; /* "next" is first one */ | |
1962 | else | |
1963 | frameno = traceframe_number + 1; | |
1964 | } | |
1965 | else if (0 == strcmp (args, "-")) | |
1966 | { | |
1967 | if (traceframe_number == -1) | |
8a3fe4f8 | 1968 | error (_("not debugging trace buffer")); |
c906108c | 1969 | else if (from_tty && traceframe_number == 0) |
8a3fe4f8 | 1970 | error (_("already at start of trace buffer")); |
c906108c SS |
1971 | |
1972 | frameno = traceframe_number - 1; | |
1973 | } | |
1974 | else | |
bb518678 | 1975 | frameno = parse_and_eval_long (args); |
c906108c SS |
1976 | |
1977 | if (frameno < -1) | |
8a3fe4f8 | 1978 | error (_("invalid input (%d is less than zero)"), frameno); |
c906108c SS |
1979 | |
1980 | sprintf (target_buf, "QTFrame:%x", frameno); | |
6d820c5c | 1981 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
1982 | } |
1983 | else | |
8a3fe4f8 | 1984 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
1985 | } |
1986 | ||
1987 | /* tfind end */ | |
1988 | static void | |
fba45db2 | 1989 | trace_find_end_command (char *args, int from_tty) |
c906108c SS |
1990 | { |
1991 | trace_find_command ("-1", from_tty); | |
1992 | } | |
1993 | ||
1994 | /* tfind none */ | |
1995 | static void | |
fba45db2 | 1996 | trace_find_none_command (char *args, int from_tty) |
c906108c SS |
1997 | { |
1998 | trace_find_command ("-1", from_tty); | |
1999 | } | |
2000 | ||
2001 | /* tfind start */ | |
2002 | static void | |
fba45db2 | 2003 | trace_find_start_command (char *args, int from_tty) |
c906108c SS |
2004 | { |
2005 | trace_find_command ("0", from_tty); | |
2006 | } | |
2007 | ||
2008 | /* tfind pc command */ | |
2009 | static void | |
fba45db2 | 2010 | trace_find_pc_command (char *args, int from_tty) |
d183932d | 2011 | { |
c906108c | 2012 | CORE_ADDR pc; |
104c1213 | 2013 | char tmp[40]; |
c906108c SS |
2014 | |
2015 | if (target_is_remote ()) | |
2016 | { | |
383e5f85 SS |
2017 | if (trace_running_p) |
2018 | error ("May not look at trace frames while trace is running."); | |
2019 | ||
c906108c | 2020 | if (args == 0 || *args == 0) |
fb14de7b | 2021 | pc = regcache_read_pc (get_current_regcache ()); |
c906108c SS |
2022 | else |
2023 | pc = parse_and_eval_address (args); | |
2024 | ||
104c1213 JM |
2025 | sprintf_vma (tmp, pc); |
2026 | sprintf (target_buf, "QTFrame:pc:%s", tmp); | |
6d820c5c | 2027 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
2028 | } |
2029 | else | |
8a3fe4f8 | 2030 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
2031 | } |
2032 | ||
2033 | /* tfind tracepoint command */ | |
2034 | static void | |
fba45db2 | 2035 | trace_find_tracepoint_command (char *args, int from_tty) |
d183932d | 2036 | { |
c906108c | 2037 | int tdp; |
c906108c SS |
2038 | |
2039 | if (target_is_remote ()) | |
2040 | { | |
383e5f85 SS |
2041 | if (trace_running_p) |
2042 | error ("May not look at trace frames while trace is running."); | |
2043 | ||
c906108c | 2044 | if (args == 0 || *args == 0) |
3db26b01 JB |
2045 | { |
2046 | if (tracepoint_number == -1) | |
8a3fe4f8 | 2047 | error (_("No current tracepoint -- please supply an argument.")); |
3db26b01 JB |
2048 | else |
2049 | tdp = tracepoint_number; /* default is current TDP */ | |
2050 | } | |
c906108c | 2051 | else |
0e828ed1 | 2052 | tdp = parse_and_eval_long (args); |
c906108c SS |
2053 | |
2054 | sprintf (target_buf, "QTFrame:tdp:%x", tdp); | |
6d820c5c | 2055 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
2056 | } |
2057 | else | |
8a3fe4f8 | 2058 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
2059 | } |
2060 | ||
2061 | /* TFIND LINE command: | |
c5aa993b | 2062 | |
c906108c | 2063 | This command will take a sourceline for argument, just like BREAK |
d183932d | 2064 | or TRACE (ie. anything that "decode_line_1" can handle). |
c5aa993b | 2065 | |
c906108c SS |
2066 | With no argument, this command will find the next trace frame |
2067 | corresponding to a source line OTHER THAN THE CURRENT ONE. */ | |
2068 | ||
2069 | static void | |
fba45db2 | 2070 | trace_find_line_command (char *args, int from_tty) |
d183932d | 2071 | { |
c906108c SS |
2072 | static CORE_ADDR start_pc, end_pc; |
2073 | struct symtabs_and_lines sals; | |
2074 | struct symtab_and_line sal; | |
c906108c | 2075 | struct cleanup *old_chain; |
104c1213 | 2076 | char startpc_str[40], endpc_str[40]; |
c906108c SS |
2077 | |
2078 | if (target_is_remote ()) | |
2079 | { | |
383e5f85 SS |
2080 | if (trace_running_p) |
2081 | error ("May not look at trace frames while trace is running."); | |
2082 | ||
c906108c SS |
2083 | if (args == 0 || *args == 0) |
2084 | { | |
bdd78e62 | 2085 | sal = find_pc_line (get_frame_pc (get_current_frame ()), 0); |
c906108c SS |
2086 | sals.nelts = 1; |
2087 | sals.sals = (struct symtab_and_line *) | |
2088 | xmalloc (sizeof (struct symtab_and_line)); | |
2089 | sals.sals[0] = sal; | |
2090 | } | |
2091 | else | |
2092 | { | |
2093 | sals = decode_line_spec (args, 1); | |
c5aa993b | 2094 | sal = sals.sals[0]; |
c906108c SS |
2095 | } |
2096 | ||
b8c9b27d | 2097 | old_chain = make_cleanup (xfree, sals.sals); |
c906108c SS |
2098 | if (sal.symtab == 0) |
2099 | { | |
5af949e3 UW |
2100 | struct gdbarch *gdbarch = get_current_arch (); |
2101 | ||
c906108c SS |
2102 | printf_filtered ("TFIND: No line number information available"); |
2103 | if (sal.pc != 0) | |
2104 | { | |
d183932d MS |
2105 | /* This is useful for "info line *0x7f34". If we can't |
2106 | tell the user about a source line, at least let them | |
2107 | have the symbolic address. */ | |
c906108c SS |
2108 | printf_filtered (" for address "); |
2109 | wrap_here (" "); | |
5af949e3 | 2110 | print_address (gdbarch, sal.pc, gdb_stdout); |
c906108c SS |
2111 | printf_filtered (";\n -- will attempt to find by PC. \n"); |
2112 | } | |
2113 | else | |
2114 | { | |
2115 | printf_filtered (".\n"); | |
d183932d | 2116 | return; /* No line, no PC; what can we do? */ |
c906108c SS |
2117 | } |
2118 | } | |
2119 | else if (sal.line > 0 | |
2120 | && find_line_pc_range (sal, &start_pc, &end_pc)) | |
2121 | { | |
5af949e3 UW |
2122 | struct gdbarch *gdbarch = get_objfile_arch (sal.symtab->objfile); |
2123 | ||
c906108c SS |
2124 | if (start_pc == end_pc) |
2125 | { | |
2126 | printf_filtered ("Line %d of \"%s\"", | |
2127 | sal.line, sal.symtab->filename); | |
2128 | wrap_here (" "); | |
2129 | printf_filtered (" is at address "); | |
5af949e3 | 2130 | print_address (gdbarch, start_pc, gdb_stdout); |
c906108c SS |
2131 | wrap_here (" "); |
2132 | printf_filtered (" but contains no code.\n"); | |
2133 | sal = find_pc_line (start_pc, 0); | |
2134 | if (sal.line > 0 && | |
2135 | find_line_pc_range (sal, &start_pc, &end_pc) && | |
2136 | start_pc != end_pc) | |
2137 | printf_filtered ("Attempting to find line %d instead.\n", | |
2138 | sal.line); | |
2139 | else | |
8a3fe4f8 | 2140 | error (_("Cannot find a good line.")); |
c906108c SS |
2141 | } |
2142 | } | |
2143 | else | |
2144 | /* Is there any case in which we get here, and have an address | |
d183932d MS |
2145 | which the user would want to see? If we have debugging |
2146 | symbols and no line numbers? */ | |
8a3fe4f8 | 2147 | error (_("Line number %d is out of range for \"%s\"."), |
c906108c SS |
2148 | sal.line, sal.symtab->filename); |
2149 | ||
104c1213 JM |
2150 | sprintf_vma (startpc_str, start_pc); |
2151 | sprintf_vma (endpc_str, end_pc - 1); | |
d183932d MS |
2152 | /* Find within range of stated line. */ |
2153 | if (args && *args) | |
2154 | sprintf (target_buf, "QTFrame:range:%s:%s", | |
2155 | startpc_str, endpc_str); | |
2156 | /* Find OUTSIDE OF range of CURRENT line. */ | |
2157 | else | |
2158 | sprintf (target_buf, "QTFrame:outside:%s:%s", | |
2159 | startpc_str, endpc_str); | |
6d820c5c | 2160 | finish_tfind_command (&target_buf, &target_buf_size, |
d183932d | 2161 | from_tty); |
c906108c SS |
2162 | do_cleanups (old_chain); |
2163 | } | |
2164 | else | |
8a3fe4f8 | 2165 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
2166 | } |
2167 | ||
2168 | /* tfind range command */ | |
2169 | static void | |
fba45db2 | 2170 | trace_find_range_command (char *args, int from_tty) |
104c1213 | 2171 | { |
c906108c | 2172 | static CORE_ADDR start, stop; |
104c1213 | 2173 | char start_str[40], stop_str[40]; |
c906108c SS |
2174 | char *tmp; |
2175 | ||
2176 | if (target_is_remote ()) | |
2177 | { | |
383e5f85 SS |
2178 | if (trace_running_p) |
2179 | error ("May not look at trace frames while trace is running."); | |
2180 | ||
c906108c | 2181 | if (args == 0 || *args == 0) |
d183932d | 2182 | { /* XXX FIXME: what should default behavior be? */ |
c906108c SS |
2183 | printf_filtered ("Usage: tfind range <startaddr>,<endaddr>\n"); |
2184 | return; | |
2185 | } | |
2186 | ||
c5aa993b | 2187 | if (0 != (tmp = strchr (args, ','))) |
c906108c SS |
2188 | { |
2189 | *tmp++ = '\0'; /* terminate start address */ | |
104c1213 | 2190 | while (isspace ((int) *tmp)) |
c906108c SS |
2191 | tmp++; |
2192 | start = parse_and_eval_address (args); | |
c5aa993b | 2193 | stop = parse_and_eval_address (tmp); |
c906108c SS |
2194 | } |
2195 | else | |
c5aa993b | 2196 | { /* no explicit end address? */ |
c906108c | 2197 | start = parse_and_eval_address (args); |
c5aa993b | 2198 | stop = start + 1; /* ??? */ |
c906108c SS |
2199 | } |
2200 | ||
104c1213 JM |
2201 | sprintf_vma (start_str, start); |
2202 | sprintf_vma (stop_str, stop); | |
2203 | sprintf (target_buf, "QTFrame:range:%s:%s", start_str, stop_str); | |
6d820c5c | 2204 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
2205 | } |
2206 | else | |
8a3fe4f8 | 2207 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
2208 | } |
2209 | ||
2210 | /* tfind outside command */ | |
2211 | static void | |
fba45db2 | 2212 | trace_find_outside_command (char *args, int from_tty) |
104c1213 | 2213 | { |
c906108c | 2214 | CORE_ADDR start, stop; |
104c1213 | 2215 | char start_str[40], stop_str[40]; |
c906108c SS |
2216 | char *tmp; |
2217 | ||
2218 | if (target_is_remote ()) | |
2219 | { | |
383e5f85 SS |
2220 | if (trace_running_p) |
2221 | error ("May not look at trace frames while trace is running."); | |
2222 | ||
c906108c | 2223 | if (args == 0 || *args == 0) |
d183932d | 2224 | { /* XXX FIXME: what should default behavior be? */ |
c906108c SS |
2225 | printf_filtered ("Usage: tfind outside <startaddr>,<endaddr>\n"); |
2226 | return; | |
2227 | } | |
2228 | ||
c5aa993b | 2229 | if (0 != (tmp = strchr (args, ','))) |
c906108c SS |
2230 | { |
2231 | *tmp++ = '\0'; /* terminate start address */ | |
104c1213 | 2232 | while (isspace ((int) *tmp)) |
c906108c SS |
2233 | tmp++; |
2234 | start = parse_and_eval_address (args); | |
c5aa993b | 2235 | stop = parse_and_eval_address (tmp); |
c906108c SS |
2236 | } |
2237 | else | |
c5aa993b | 2238 | { /* no explicit end address? */ |
c906108c | 2239 | start = parse_and_eval_address (args); |
c5aa993b | 2240 | stop = start + 1; /* ??? */ |
c906108c SS |
2241 | } |
2242 | ||
104c1213 JM |
2243 | sprintf_vma (start_str, start); |
2244 | sprintf_vma (stop_str, stop); | |
2245 | sprintf (target_buf, "QTFrame:outside:%s:%s", start_str, stop_str); | |
6d820c5c | 2246 | finish_tfind_command (&target_buf, &target_buf_size, from_tty); |
c906108c SS |
2247 | } |
2248 | else | |
8a3fe4f8 | 2249 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
2250 | } |
2251 | ||
c906108c SS |
2252 | /* info scope command: list the locals for a scope. */ |
2253 | static void | |
fba45db2 | 2254 | scope_info (char *args, int from_tty) |
c906108c | 2255 | { |
c906108c SS |
2256 | struct symtabs_and_lines sals; |
2257 | struct symbol *sym; | |
2258 | struct minimal_symbol *msym; | |
2259 | struct block *block; | |
2260 | char **canonical, *symname, *save_args = args; | |
de4f826b DC |
2261 | struct dict_iterator iter; |
2262 | int j, count = 0; | |
768a979c UW |
2263 | struct gdbarch *gdbarch; |
2264 | int regno; | |
c906108c SS |
2265 | |
2266 | if (args == 0 || *args == 0) | |
8a3fe4f8 | 2267 | error (_("requires an argument (function, line or *addr) to define a scope")); |
c906108c | 2268 | |
68219205 | 2269 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical, NULL); |
c906108c | 2270 | if (sals.nelts == 0) |
450bd37b | 2271 | return; /* presumably decode_line_1 has already warned */ |
c906108c SS |
2272 | |
2273 | /* Resolve line numbers to PC */ | |
2274 | resolve_sal_pc (&sals.sals[0]); | |
2275 | block = block_for_pc (sals.sals[0].pc); | |
2276 | ||
2277 | while (block != 0) | |
2278 | { | |
c5aa993b | 2279 | QUIT; /* allow user to bail out with ^C */ |
de4f826b | 2280 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
c906108c | 2281 | { |
c5aa993b | 2282 | QUIT; /* allow user to bail out with ^C */ |
c906108c SS |
2283 | if (count == 0) |
2284 | printf_filtered ("Scope for %s:\n", save_args); | |
2285 | count++; | |
e88c90f2 | 2286 | |
3567439c | 2287 | symname = SYMBOL_PRINT_NAME (sym); |
c906108c | 2288 | if (symname == NULL || *symname == '\0') |
c5aa993b | 2289 | continue; /* probably botched, certainly useless */ |
c906108c | 2290 | |
768a979c UW |
2291 | gdbarch = get_objfile_arch (SYMBOL_SYMTAB (sym)->objfile); |
2292 | ||
c906108c | 2293 | printf_filtered ("Symbol %s is ", symname); |
c5aa993b JM |
2294 | switch (SYMBOL_CLASS (sym)) |
2295 | { | |
2296 | default: | |
2297 | case LOC_UNDEF: /* messed up symbol? */ | |
2298 | printf_filtered ("a bogus symbol, class %d.\n", | |
2299 | SYMBOL_CLASS (sym)); | |
2300 | count--; /* don't count this one */ | |
2301 | continue; | |
2302 | case LOC_CONST: | |
104c1213 | 2303 | printf_filtered ("a constant with value %ld (0x%lx)", |
c5aa993b JM |
2304 | SYMBOL_VALUE (sym), SYMBOL_VALUE (sym)); |
2305 | break; | |
2306 | case LOC_CONST_BYTES: | |
2307 | printf_filtered ("constant bytes: "); | |
2308 | if (SYMBOL_TYPE (sym)) | |
2309 | for (j = 0; j < TYPE_LENGTH (SYMBOL_TYPE (sym)); j++) | |
2310 | fprintf_filtered (gdb_stdout, " %02x", | |
2311 | (unsigned) SYMBOL_VALUE_BYTES (sym)[j]); | |
2312 | break; | |
2313 | case LOC_STATIC: | |
2314 | printf_filtered ("in static storage at address "); | |
5af949e3 UW |
2315 | printf_filtered ("%s", paddress (gdbarch, |
2316 | SYMBOL_VALUE_ADDRESS (sym))); | |
c5aa993b JM |
2317 | break; |
2318 | case LOC_REGISTER: | |
768a979c UW |
2319 | /* GDBARCH is the architecture associated with the objfile |
2320 | the symbol is defined in; the target architecture may be | |
2321 | different, and may provide additional registers. However, | |
2322 | we do not know the target architecture at this point. | |
2323 | We assume the objfile architecture will contain all the | |
2324 | standard registers that occur in debug info in that | |
2325 | objfile. */ | |
2326 | regno = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); | |
2327 | ||
2a2d4dc3 AS |
2328 | if (SYMBOL_IS_ARGUMENT (sym)) |
2329 | printf_filtered ("an argument in register $%s", | |
768a979c | 2330 | gdbarch_register_name (gdbarch, regno)); |
2a2d4dc3 AS |
2331 | else |
2332 | printf_filtered ("a local variable in register $%s", | |
768a979c | 2333 | gdbarch_register_name (gdbarch, regno)); |
c5aa993b JM |
2334 | break; |
2335 | case LOC_ARG: | |
c5aa993b JM |
2336 | printf_filtered ("an argument at stack/frame offset %ld", |
2337 | SYMBOL_VALUE (sym)); | |
2338 | break; | |
2339 | case LOC_LOCAL: | |
2340 | printf_filtered ("a local variable at frame offset %ld", | |
2341 | SYMBOL_VALUE (sym)); | |
2342 | break; | |
2343 | case LOC_REF_ARG: | |
2344 | printf_filtered ("a reference argument at offset %ld", | |
2345 | SYMBOL_VALUE (sym)); | |
2346 | break; | |
c5aa993b | 2347 | case LOC_REGPARM_ADDR: |
768a979c UW |
2348 | /* Note comment at LOC_REGISTER. */ |
2349 | regno = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); | |
c5aa993b | 2350 | printf_filtered ("the address of an argument, in register $%s", |
768a979c | 2351 | gdbarch_register_name (gdbarch, regno)); |
c5aa993b JM |
2352 | break; |
2353 | case LOC_TYPEDEF: | |
2354 | printf_filtered ("a typedef.\n"); | |
2355 | continue; | |
2356 | case LOC_LABEL: | |
2357 | printf_filtered ("a label at address "); | |
5af949e3 UW |
2358 | printf_filtered ("%s", paddress (gdbarch, |
2359 | SYMBOL_VALUE_ADDRESS (sym))); | |
c5aa993b JM |
2360 | break; |
2361 | case LOC_BLOCK: | |
2362 | printf_filtered ("a function at address "); | |
5af949e3 UW |
2363 | printf_filtered ("%s", |
2364 | paddress (gdbarch, BLOCK_START (SYMBOL_BLOCK_VALUE (sym)))); | |
c5aa993b | 2365 | break; |
c5aa993b | 2366 | case LOC_UNRESOLVED: |
3567439c | 2367 | msym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (sym), |
450bd37b | 2368 | NULL, NULL); |
c5aa993b JM |
2369 | if (msym == NULL) |
2370 | printf_filtered ("Unresolved Static"); | |
2371 | else | |
2372 | { | |
2373 | printf_filtered ("static storage at address "); | |
5af949e3 UW |
2374 | printf_filtered ("%s", |
2375 | paddress (gdbarch, SYMBOL_VALUE_ADDRESS (msym))); | |
c5aa993b JM |
2376 | } |
2377 | break; | |
2378 | case LOC_OPTIMIZED_OUT: | |
2379 | printf_filtered ("optimized out.\n"); | |
2380 | continue; | |
450bd37b | 2381 | case LOC_COMPUTED: |
768a979c | 2382 | SYMBOL_COMPUTED_OPS (sym)->describe_location (sym, gdb_stdout); |
450bd37b | 2383 | break; |
c5aa993b | 2384 | } |
c906108c | 2385 | if (SYMBOL_TYPE (sym)) |
c5aa993b | 2386 | printf_filtered (", length %d.\n", |
450bd37b | 2387 | TYPE_LENGTH (check_typedef (SYMBOL_TYPE (sym)))); |
c906108c SS |
2388 | } |
2389 | if (BLOCK_FUNCTION (block)) | |
2390 | break; | |
2391 | else | |
2392 | block = BLOCK_SUPERBLOCK (block); | |
2393 | } | |
2394 | if (count <= 0) | |
2395 | printf_filtered ("Scope for %s contains no locals or arguments.\n", | |
2396 | save_args); | |
2397 | } | |
2398 | ||
2399 | /* worker function (cleanup) */ | |
2400 | static void | |
710b33bd | 2401 | replace_comma (void *data) |
c906108c | 2402 | { |
710b33bd | 2403 | char *comma = data; |
c906108c SS |
2404 | *comma = ','; |
2405 | } | |
2406 | ||
2407 | /* tdump command */ | |
2408 | static void | |
fba45db2 | 2409 | trace_dump_command (char *args, int from_tty) |
c906108c | 2410 | { |
515630c5 UW |
2411 | struct regcache *regcache; |
2412 | struct gdbarch *gdbarch; | |
1042e4c0 | 2413 | struct breakpoint *t; |
c906108c | 2414 | struct action_line *action; |
c5aa993b JM |
2415 | char *action_exp, *next_comma; |
2416 | struct cleanup *old_cleanups; | |
2417 | int stepping_actions = 0; | |
2418 | int stepping_frame = 0; | |
c906108c SS |
2419 | |
2420 | if (!target_is_remote ()) | |
2421 | { | |
8a3fe4f8 | 2422 | error (_("Trace can only be run on remote targets.")); |
c906108c SS |
2423 | return; |
2424 | } | |
2425 | ||
2426 | if (tracepoint_number == -1) | |
2427 | { | |
8a3fe4f8 | 2428 | warning (_("No current trace frame.")); |
c906108c SS |
2429 | return; |
2430 | } | |
2431 | ||
1042e4c0 | 2432 | t = get_tracepoint (tracepoint_number); |
c906108c SS |
2433 | |
2434 | if (t == NULL) | |
8a3fe4f8 | 2435 | error (_("No known tracepoint matches 'current' tracepoint #%d."), |
c906108c SS |
2436 | tracepoint_number); |
2437 | ||
2438 | old_cleanups = make_cleanup (null_cleanup, NULL); | |
2439 | ||
c5aa993b | 2440 | printf_filtered ("Data collected at tracepoint %d, trace frame %d:\n", |
c906108c SS |
2441 | tracepoint_number, traceframe_number); |
2442 | ||
2443 | /* The current frame is a trap frame if the frame PC is equal | |
2444 | to the tracepoint PC. If not, then the current frame was | |
2445 | collected during single-stepping. */ | |
2446 | ||
515630c5 UW |
2447 | regcache = get_current_regcache (); |
2448 | gdbarch = get_regcache_arch (regcache); | |
2449 | ||
1042e4c0 | 2450 | stepping_frame = (t->loc->address != (regcache_read_pc (regcache) |
515630c5 | 2451 | - gdbarch_decr_pc_after_break (gdbarch))); |
c906108c SS |
2452 | |
2453 | for (action = t->actions; action; action = action->next) | |
2454 | { | |
2455 | struct cmd_list_element *cmd; | |
2456 | ||
c5aa993b | 2457 | QUIT; /* allow user to bail out with ^C */ |
c906108c | 2458 | action_exp = action->action; |
104c1213 | 2459 | while (isspace ((int) *action_exp)) |
c906108c SS |
2460 | action_exp++; |
2461 | ||
2462 | /* The collection actions to be done while stepping are | |
c5aa993b | 2463 | bracketed by the commands "while-stepping" and "end". */ |
c906108c SS |
2464 | |
2465 | if (*action_exp == '#') /* comment line */ | |
2466 | continue; | |
2467 | ||
2468 | cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1); | |
2469 | if (cmd == 0) | |
8a3fe4f8 | 2470 | error (_("Bad action list item: %s"), action_exp); |
c906108c | 2471 | |
bbaca940 | 2472 | if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) |
c906108c | 2473 | stepping_actions = 1; |
bbaca940 | 2474 | else if (cmd_cfunc_eq (cmd, end_actions_pseudocommand)) |
c906108c | 2475 | stepping_actions = 0; |
bbaca940 | 2476 | else if (cmd_cfunc_eq (cmd, collect_pseudocommand)) |
c906108c SS |
2477 | { |
2478 | /* Display the collected data. | |
d183932d MS |
2479 | For the trap frame, display only what was collected at |
2480 | the trap. Likewise for stepping frames, display only | |
2481 | what was collected while stepping. This means that the | |
2482 | two boolean variables, STEPPING_FRAME and | |
2483 | STEPPING_ACTIONS should be equal. */ | |
c906108c SS |
2484 | if (stepping_frame == stepping_actions) |
2485 | { | |
c5aa993b JM |
2486 | do |
2487 | { /* repeat over a comma-separated list */ | |
2488 | QUIT; /* allow user to bail out with ^C */ | |
2489 | if (*action_exp == ',') | |
2490 | action_exp++; | |
104c1213 | 2491 | while (isspace ((int) *action_exp)) |
c5aa993b JM |
2492 | action_exp++; |
2493 | ||
2494 | next_comma = strchr (action_exp, ','); | |
2495 | ||
2496 | if (0 == strncasecmp (action_exp, "$reg", 4)) | |
2497 | registers_info (NULL, from_tty); | |
2498 | else if (0 == strncasecmp (action_exp, "$loc", 4)) | |
2499 | locals_info (NULL, from_tty); | |
2500 | else if (0 == strncasecmp (action_exp, "$arg", 4)) | |
2501 | args_info (NULL, from_tty); | |
2502 | else | |
2503 | { /* variable */ | |
2504 | if (next_comma) | |
2505 | { | |
2506 | make_cleanup (replace_comma, next_comma); | |
2507 | *next_comma = '\0'; | |
2508 | } | |
2509 | printf_filtered ("%s = ", action_exp); | |
2510 | output_command (action_exp, from_tty); | |
2511 | printf_filtered ("\n"); | |
2512 | } | |
2513 | if (next_comma) | |
2514 | *next_comma = ','; | |
2515 | action_exp = next_comma; | |
2516 | } | |
2517 | while (action_exp && *action_exp == ','); | |
c906108c SS |
2518 | } |
2519 | } | |
2520 | } | |
2521 | discard_cleanups (old_cleanups); | |
2522 | } | |
2523 | ||
2524 | /* Convert the memory pointed to by mem into hex, placing result in buf. | |
2525 | * Return a pointer to the last char put in buf (null) | |
2526 | * "stolen" from sparc-stub.c | |
2527 | */ | |
2528 | ||
c5aa993b | 2529 | static const char hexchars[] = "0123456789abcdef"; |
c906108c | 2530 | |
47b667de AC |
2531 | static char * |
2532 | mem2hex (gdb_byte *mem, char *buf, int count) | |
c906108c | 2533 | { |
47b667de | 2534 | gdb_byte ch; |
c906108c SS |
2535 | |
2536 | while (count-- > 0) | |
2537 | { | |
2538 | ch = *mem++; | |
2539 | ||
2540 | *buf++ = hexchars[ch >> 4]; | |
2541 | *buf++ = hexchars[ch & 0xf]; | |
2542 | } | |
2543 | ||
2544 | *buf = 0; | |
2545 | ||
2546 | return buf; | |
2547 | } | |
2548 | ||
c5aa993b | 2549 | int |
fba45db2 | 2550 | get_traceframe_number (void) |
c906108c | 2551 | { |
c5aa993b | 2552 | return traceframe_number; |
c906108c SS |
2553 | } |
2554 | ||
2555 | ||
2556 | /* module initialization */ | |
2557 | void | |
fba45db2 | 2558 | _initialize_tracepoint (void) |
c906108c | 2559 | { |
fa58ee11 EZ |
2560 | struct cmd_list_element *c; |
2561 | ||
c906108c SS |
2562 | traceframe_number = -1; |
2563 | tracepoint_number = -1; | |
2564 | ||
c906108c SS |
2565 | if (tracepoint_list.list == NULL) |
2566 | { | |
2567 | tracepoint_list.listsize = 128; | |
c5aa993b | 2568 | tracepoint_list.list = xmalloc |
c906108c SS |
2569 | (tracepoint_list.listsize * sizeof (struct memrange)); |
2570 | } | |
2571 | if (tracepoint_list.aexpr_list == NULL) | |
2572 | { | |
2573 | tracepoint_list.aexpr_listsize = 128; | |
2574 | tracepoint_list.aexpr_list = xmalloc | |
2575 | (tracepoint_list.aexpr_listsize * sizeof (struct agent_expr *)); | |
2576 | } | |
2577 | ||
2578 | if (stepping_list.list == NULL) | |
2579 | { | |
2580 | stepping_list.listsize = 128; | |
c5aa993b | 2581 | stepping_list.list = xmalloc |
c906108c SS |
2582 | (stepping_list.listsize * sizeof (struct memrange)); |
2583 | } | |
2584 | ||
2585 | if (stepping_list.aexpr_list == NULL) | |
2586 | { | |
2587 | stepping_list.aexpr_listsize = 128; | |
2588 | stepping_list.aexpr_list = xmalloc | |
2589 | (stepping_list.aexpr_listsize * sizeof (struct agent_expr *)); | |
2590 | } | |
2591 | ||
c5aa993b | 2592 | add_info ("scope", scope_info, |
1bedd215 | 2593 | _("List the variables local to a scope")); |
c906108c | 2594 | |
e00d1dc8 | 2595 | add_cmd ("tracepoints", class_trace, NULL, |
1a966eab | 2596 | _("Tracing of program execution without stopping the program."), |
c906108c SS |
2597 | &cmdlist); |
2598 | ||
c5aa993b | 2599 | add_com ("tdump", class_trace, trace_dump_command, |
1bedd215 | 2600 | _("Print everything collected at the current tracepoint.")); |
c906108c | 2601 | |
f61e138d SS |
2602 | c = add_com ("tvariable", class_trace, trace_variable_command,_("\ |
2603 | Define a trace state variable.\n\ | |
2604 | Argument is a $-prefixed name, optionally followed\n\ | |
2605 | by '=' and an expression that sets the initial value\n\ | |
2606 | at the start of tracing.")); | |
2607 | set_cmd_completer (c, expression_completer); | |
2608 | ||
2609 | add_cmd ("tvariable", class_trace, delete_trace_variable_command, _("\ | |
2610 | Delete one or more trace state variables.\n\ | |
2611 | Arguments are the names of the variables to delete.\n\ | |
2612 | If no arguments are supplied, delete all variables."), &deletelist); | |
2613 | /* FIXME add a trace variable completer */ | |
2614 | ||
2615 | add_info ("tvariables", tvariables_info, _("\ | |
2616 | Status of trace state variables and their values.\n\ | |
2617 | ")); | |
2618 | ||
1bedd215 AC |
2619 | add_prefix_cmd ("tfind", class_trace, trace_find_command, _("\ |
2620 | Select a trace frame;\n\ | |
2621 | No argument means forward by one frame; '-' means backward by one frame."), | |
c906108c SS |
2622 | &tfindlist, "tfind ", 1, &cmdlist); |
2623 | ||
1a966eab AC |
2624 | add_cmd ("outside", class_trace, trace_find_outside_command, _("\ |
2625 | Select a trace frame whose PC is outside the given range.\n\ | |
2626 | Usage: tfind outside addr1, addr2"), | |
c906108c SS |
2627 | &tfindlist); |
2628 | ||
1a966eab AC |
2629 | add_cmd ("range", class_trace, trace_find_range_command, _("\ |
2630 | Select a trace frame whose PC is in the given range.\n\ | |
2631 | Usage: tfind range addr1,addr2"), | |
c906108c SS |
2632 | &tfindlist); |
2633 | ||
1a966eab AC |
2634 | add_cmd ("line", class_trace, trace_find_line_command, _("\ |
2635 | Select a trace frame by source line.\n\ | |
c906108c SS |
2636 | Argument can be a line number (with optional source file), \n\ |
2637 | a function name, or '*' followed by an address.\n\ | |
1a966eab | 2638 | Default argument is 'the next source line that was traced'."), |
c906108c SS |
2639 | &tfindlist); |
2640 | ||
1a966eab AC |
2641 | add_cmd ("tracepoint", class_trace, trace_find_tracepoint_command, _("\ |
2642 | Select a trace frame by tracepoint number.\n\ | |
2643 | Default is the tracepoint for the current trace frame."), | |
c906108c SS |
2644 | &tfindlist); |
2645 | ||
1a966eab AC |
2646 | add_cmd ("pc", class_trace, trace_find_pc_command, _("\ |
2647 | Select a trace frame by PC.\n\ | |
2648 | Default is the current PC, or the PC of the current trace frame."), | |
c906108c SS |
2649 | &tfindlist); |
2650 | ||
1a966eab AC |
2651 | add_cmd ("end", class_trace, trace_find_end_command, _("\ |
2652 | Synonym for 'none'.\n\ | |
2653 | De-select any trace frame and resume 'live' debugging."), | |
c906108c SS |
2654 | &tfindlist); |
2655 | ||
2656 | add_cmd ("none", class_trace, trace_find_none_command, | |
1a966eab | 2657 | _("De-select any trace frame and resume 'live' debugging."), |
c906108c SS |
2658 | &tfindlist); |
2659 | ||
2660 | add_cmd ("start", class_trace, trace_find_start_command, | |
1a966eab | 2661 | _("Select the first trace frame in the trace buffer."), |
c906108c SS |
2662 | &tfindlist); |
2663 | ||
c5aa993b | 2664 | add_com ("tstatus", class_trace, trace_status_command, |
1bedd215 | 2665 | _("Display the status of the current trace data collection.")); |
c906108c | 2666 | |
c5aa993b | 2667 | add_com ("tstop", class_trace, trace_stop_command, |
1bedd215 | 2668 | _("Stop trace data collection.")); |
c906108c SS |
2669 | |
2670 | add_com ("tstart", class_trace, trace_start_command, | |
1bedd215 | 2671 | _("Start trace data collection.")); |
c906108c | 2672 | |
1bedd215 AC |
2673 | add_com ("end", class_trace, end_actions_pseudocommand, _("\ |
2674 | Ends a list of commands or actions.\n\ | |
c906108c SS |
2675 | Several GDB commands allow you to enter a list of commands or actions.\n\ |
2676 | Entering \"end\" on a line by itself is the normal way to terminate\n\ | |
2677 | such a list.\n\n\ | |
1bedd215 | 2678 | Note: the \"end\" command cannot be used at the gdb prompt.")); |
c906108c | 2679 | |
1bedd215 AC |
2680 | add_com ("while-stepping", class_trace, while_stepping_pseudocommand, _("\ |
2681 | Specify single-stepping behavior at a tracepoint.\n\ | |
c906108c SS |
2682 | Argument is number of instructions to trace in single-step mode\n\ |
2683 | following the tracepoint. This command is normally followed by\n\ | |
2684 | one or more \"collect\" commands, to specify what to collect\n\ | |
2685 | while single-stepping.\n\n\ | |
1bedd215 | 2686 | Note: this command can only be used in a tracepoint \"actions\" list.")); |
c906108c | 2687 | |
c5aa993b JM |
2688 | add_com_alias ("ws", "while-stepping", class_alias, 0); |
2689 | add_com_alias ("stepping", "while-stepping", class_alias, 0); | |
c906108c | 2690 | |
1bedd215 AC |
2691 | add_com ("collect", class_trace, collect_pseudocommand, _("\ |
2692 | Specify one or more data items to be collected at a tracepoint.\n\ | |
c906108c SS |
2693 | Accepts a comma-separated list of (one or more) expressions. GDB will\n\ |
2694 | collect all data (variables, registers) referenced by that expression.\n\ | |
2695 | Also accepts the following special arguments:\n\ | |
2696 | $regs -- all registers.\n\ | |
2697 | $args -- all function arguments.\n\ | |
2698 | $locals -- all variables local to the block/function scope.\n\ | |
1bedd215 | 2699 | Note: this command can only be used in a tracepoint \"actions\" list.")); |
c906108c | 2700 | |
6da95a67 SS |
2701 | add_com ("teval", class_trace, teval_pseudocommand, _("\ |
2702 | Specify one or more expressions to be evaluated at a tracepoint.\n\ | |
2703 | Accepts a comma-separated list of (one or more) expressions.\n\ | |
2704 | The result of each evaluation will be discarded.\n\ | |
2705 | Note: this command can only be used in a tracepoint \"actions\" list.")); | |
2706 | ||
1bedd215 AC |
2707 | add_com ("actions", class_trace, trace_actions_command, _("\ |
2708 | Specify the actions to be taken at a tracepoint.\n\ | |
c906108c SS |
2709 | Tracepoint actions may include collecting of specified data, \n\ |
2710 | single-stepping, or enabling/disabling other tracepoints, \n\ | |
1bedd215 | 2711 | depending on target's capabilities.")); |
c906108c | 2712 | |
236f1d4d SS |
2713 | default_collect = xstrdup (""); |
2714 | add_setshow_string_cmd ("default-collect", class_trace, | |
2715 | &default_collect, _("\ | |
2716 | Set the list of expressions to collect by default"), _("\ | |
2717 | Show the list of expressions to collect by default"), NULL, | |
2718 | NULL, NULL, | |
2719 | &setlist, &showlist); | |
2720 | ||
6d820c5c DJ |
2721 | target_buf_size = 2048; |
2722 | target_buf = xmalloc (target_buf_size); | |
c906108c | 2723 | } |