Remove references to Alcatel.
[deliverable/binutils-gdb.git] / gdb / gdbtk-cmds.c
CommitLineData
ca4e7e14
JI
1/* Tcl/Tk command definitions for gdbtk.
2 Copyright 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
3
4 Written by Stu Grossman <grossman@cygnus.com> of Cygnus Support.
5
6This file is part of GDB.
7
8This program is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2 of the License, or
11(at your option) any later version.
12
13This program is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with this program; if not, write to the Free Software
20Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21
22#include "defs.h"
23#include "symtab.h"
24#include "inferior.h"
25#include "command.h"
26#include "bfd.h"
27#include "symfile.h"
28#include "objfiles.h"
29#include "target.h"
30#include "gdbcore.h"
31#include "tracepoint.h"
32#include "demangle.h"
33
34#ifdef _WIN32
35#include <winuser.h>
36#endif
37
38#include <sys/stat.h>
39
40#include <tcl.h>
41#include <tk.h>
42#include <itcl.h>
43#include <tix.h>
44#include "guitcl.h"
45#include "gdbtk.h"
46
47#ifdef IDE
48/* start-sanitize-ide */
49#include "event.h"
50#include "idetcl.h"
51#include "ilutk.h"
52/* end-sanitize-ide */
53#endif
54
55#ifdef ANSI_PROTOTYPES
56#include <stdarg.h>
57#else
58#include <varargs.h>
59#endif
60#include <signal.h>
61#include <fcntl.h>
62#include <unistd.h>
63#include <setjmp.h>
64#include "top.h"
65#include <sys/ioctl.h>
66#include "gdb_string.h"
67#include "dis-asm.h"
68#include <stdio.h>
69#include "gdbcmd.h"
70
71#include "annotate.h"
72#include <sys/time.h>
73
74/* This structure filled in call_wrapper and passed to
75 the wrapped call function.
76 It stores the command pointer and arguments
77 run in the wrapper function. */
78
79struct wrapped_call_args
80{
81 Tcl_Interp *interp;
82 Tcl_ObjCmdProc *func;
83 int objc;
84 Tcl_Obj *CONST *objv;
85 int val;
86};
87
88/* These two objects hold boolean true and false,
89 and are shared by all the list objects that gdb_listfuncs
90 returns. */
91
92static Tcl_Obj *mangled, *not_mangled;
93
94/* These two control how the GUI behaves when gdb is either tracing or loading.
95 They are used in this file & gdbtk_hooks.c */
96
97int No_Update = 0;
98int load_in_progress = 0;
99
100/*
101 * This is used in the register fetching routines
102 */
103
104#ifndef REGISTER_CONVERTIBLE
105#define REGISTER_CONVERTIBLE(x) (0 != 0)
106#endif
107
108#ifndef REGISTER_CONVERT_TO_VIRTUAL
109#define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a)
110#endif
111
112#ifndef INVALID_FLOAT
113#define INVALID_FLOAT(x, y) (0 != 0)
114#endif
115
116
117
118/* This Structure is used in gdb_disassemble.
119 We need a different sort of line table from the normal one cuz we can't
120 depend upon implicit line-end pc's for lines to do the
121 reordering in this function. */
122
123struct my_line_entry {
124 int line;
125 CORE_ADDR start_pc;
126 CORE_ADDR end_pc;
127};
128
129/* This contains the previous values of the registers, since the last call to
130 gdb_changed_register_list. */
131
132static char old_regs[REGISTER_BYTES];
133
134/*
135 * These are routines we need from breakpoint.c.
136 * at some point make these static in breakpoint.c and move GUI code there
137 */
138
139extern struct breakpoint *set_raw_breakpoint (struct symtab_and_line sal);
140extern void set_breakpoint_count (int);
141extern int breakpoint_count;
142
143
144/*
145 * Declarations for routines used only in this file.
146 */
147
148int Gdbtk_Init (Tcl_Interp *interp);
149static int compare_lines PARAMS ((const PTR, const PTR));
150static int comp_files PARAMS ((const void *, const void *));
151static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
152static int gdb_actions_command PARAMS ((ClientData, Tcl_Interp *, int,
153 Tcl_Obj *CONST objv[]));
154static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
155static int gdb_clear_file PARAMS ((ClientData, Tcl_Interp *interp, int, Tcl_Obj *CONST []));
156static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
157static int gdb_confirm_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
158static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int,
159 Tcl_Obj *CONST []));
160static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
161static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
162static int gdb_find_file_command PARAMS ((ClientData, Tcl_Interp *, int,
163 Tcl_Obj *CONST objv[]));
164static int gdb_force_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
165static struct symtab *full_lookup_symtab PARAMS ((char *file));
166static int gdb_get_args_command PARAMS ((ClientData, Tcl_Interp *, int,
167 Tcl_Obj *CONST objv[]));
168static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
169static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
170static int gdb_get_file_command PARAMS ((ClientData, Tcl_Interp *, int,
171 Tcl_Obj *CONST objv[]));
172static int gdb_get_function_command PARAMS ((ClientData, Tcl_Interp *, int,
173 Tcl_Obj *CONST objv[]));
174static int gdb_get_line_command PARAMS ((ClientData, Tcl_Interp *, int,
175 Tcl_Obj *CONST objv[]));
176static int gdb_get_locals_command PARAMS ((ClientData, Tcl_Interp *, int,
177 Tcl_Obj *CONST objv[]));
178static int gdb_get_mem PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
179static int gdb_get_trace_frame_num PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
180static int gdb_get_tracepoint_list PARAMS ((ClientData, Tcl_Interp *, int,
181 Tcl_Obj *CONST objv[]));
182static int gdb_get_vars_command PARAMS ((ClientData, Tcl_Interp *, int,
183 Tcl_Obj *CONST objv[]));
184static int gdb_immediate_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
185static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
186static int gdb_listfuncs PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
187static int gdb_loadfile PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
188static int gdb_load_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
189static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
190static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
191static int gdb_prompt_command PARAMS ((ClientData, Tcl_Interp *, int,
192 Tcl_Obj *CONST objv[]));
193static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
194static int gdb_search PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST
195 objv[]));
196static int gdb_set_bp PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
197static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
198static int gdb_target_has_execution_command PARAMS ((ClientData, Tcl_Interp *,
199 int,
200 Tcl_Obj *CONST []));
201static int gdb_trace_status PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
202static int gdb_tracepoint_exists_command PARAMS ((ClientData, Tcl_Interp *,
203 int,
204 Tcl_Obj *CONST objv[]));
205static int gdb_get_tracepoint_info PARAMS ((ClientData, Tcl_Interp *, int,
206 Tcl_Obj *CONST objv[]));
207static void gdbtk_create_breakpoint PARAMS ((struct breakpoint *));
208static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *));
209static void gdbtk_create_tracepoint PARAMS ((struct tracepoint *));
210static void gdbtk_delete_breakpoint PARAMS ((struct breakpoint *));
211static void gdbtk_delete_tracepoint PARAMS ((struct tracepoint *));
212static void gdbtk_modify_breakpoint PARAMS ((struct breakpoint *));
213static void gdbtk_modify_tracepoint PARAMS ((struct tracepoint *));
214static void gdbtk_print_frame_info PARAMS ((struct symtab *, int, int, int));
215static void gdbtk_readline_end PARAMS ((void));
216static int get_pc_register PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
217char * get_prompt PARAMS ((void));
218static void get_register PARAMS ((int, void *));
219static void get_register_name PARAMS ((int, void *));
220static int map_arg_registers PARAMS ((int, Tcl_Obj *CONST [], void (*) (int, void *), void *));
221static void pc_changed PARAMS ((void));
222static int perror_with_name_wrapper PARAMS ((char *args));
223static void register_changed_p PARAMS ((int, void *));
224void TclDebug PARAMS ((const char *fmt, ...));
225static int wrapped_call (char *opaque_args);
226\f
227/* Gdbtk_Init
228 * This loads all the Tcl commands into the Tcl interpreter.
229 *
230 * Arguments:
231 * interp - The interpreter into which to load the commands.
232 *
233 * Result:
234 * A standard Tcl result.
235 */
236
237int
238Gdbtk_Init (interp)
239 Tcl_Interp *interp;
240{
241 Tcl_CreateObjCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL);
242 Tcl_CreateObjCommand (interp, "gdb_immediate", call_wrapper,
243 gdb_immediate_command, NULL);
244 Tcl_CreateObjCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL);
245 Tcl_CreateObjCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL);
246 Tcl_CreateObjCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, NULL);
247 Tcl_CreateObjCommand (interp, "gdb_listfuncs", call_wrapper, gdb_listfuncs,
248 NULL);
249 Tcl_CreateObjCommand (interp, "gdb_get_mem", call_wrapper, gdb_get_mem,
250 NULL);
251 Tcl_CreateObjCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL);
252 Tcl_CreateObjCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL);
253 Tcl_CreateObjCommand (interp, "gdb_fetch_registers", call_wrapper,
254 gdb_fetch_registers, NULL);
255 Tcl_CreateObjCommand (interp, "gdb_changed_register_list", call_wrapper,
256 gdb_changed_register_list, NULL);
257 Tcl_CreateObjCommand (interp, "gdb_disassemble", call_wrapper,
258 gdb_disassemble, NULL);
259 Tcl_CreateObjCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL);
260 Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_list", call_wrapper,
261 gdb_get_breakpoint_list, NULL);
262 Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_info", call_wrapper,
263 gdb_get_breakpoint_info, NULL);
264 Tcl_CreateObjCommand (interp, "gdb_clear_file", call_wrapper,
265 gdb_clear_file, NULL);
266 Tcl_CreateObjCommand (interp, "gdb_confirm_quit", call_wrapper,
267 gdb_confirm_quit, NULL);
268 Tcl_CreateObjCommand (interp, "gdb_force_quit", call_wrapper,
269 gdb_force_quit, NULL);
270 Tcl_CreateObjCommand (interp, "gdb_target_has_execution",
271 call_wrapper,
272 gdb_target_has_execution_command, NULL);
273 Tcl_CreateObjCommand (interp, "gdb_is_tracing",
274 call_wrapper, gdb_trace_status,
275 NULL);
276 Tcl_CreateObjCommand (interp, "gdb_load_info", call_wrapper, gdb_load_info, NULL);
277 Tcl_CreateObjCommand (interp, "gdb_get_locals", call_wrapper, gdb_get_locals_command,
278 NULL);
279 Tcl_CreateObjCommand (interp, "gdb_get_args", call_wrapper, gdb_get_args_command,
280 NULL);
281 Tcl_CreateObjCommand (interp, "gdb_get_function", call_wrapper, gdb_get_function_command,
282 NULL);
283 Tcl_CreateObjCommand (interp, "gdb_get_line", call_wrapper, gdb_get_line_command,
284 NULL);
285 Tcl_CreateObjCommand (interp, "gdb_get_file", call_wrapper, gdb_get_file_command,
286 NULL);
287 Tcl_CreateObjCommand (interp, "gdb_tracepoint_exists",
288 call_wrapper, gdb_tracepoint_exists_command, NULL);
289 Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_info",
290 call_wrapper, gdb_get_tracepoint_info, NULL);
291 Tcl_CreateObjCommand (interp, "gdb_actions",
292 call_wrapper, gdb_actions_command, NULL);
293 Tcl_CreateObjCommand (interp, "gdb_prompt",
294 call_wrapper, gdb_prompt_command, NULL);
295 Tcl_CreateObjCommand (interp, "gdb_find_file",
296 call_wrapper, gdb_find_file_command, NULL);
297 Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_list",
298 call_wrapper, gdb_get_tracepoint_list, NULL);
299 Tcl_CreateObjCommand (interp, "gdb_pc_reg", call_wrapper, get_pc_register, NULL);
300 Tcl_CreateObjCommand (interp, "gdb_loadfile", call_wrapper, gdb_loadfile, NULL);
301 Tcl_CreateObjCommand (gdbtk_interp, "gdb_search", call_wrapper,
302 gdb_search, NULL);
303 Tcl_CreateObjCommand (interp, "gdb_set_bp", call_wrapper, gdb_set_bp, NULL);
304 Tcl_CreateObjCommand (interp, "gdb_get_trace_frame_num",
305 call_wrapper, gdb_get_trace_frame_num, NULL);
306
307 Tcl_PkgProvide(interp, "Gdbtk", GDBTK_VERSION);
308 return TCL_OK;
309}
310
311/* This routine acts as a top-level for all GDB code called by Tcl/Tk. It
312 handles cleanups, and uses catch_errors to trap calls to return_to_top_level
313 (usually via error).
314 This is necessary in order to prevent a longjmp out of the bowels of Tk,
315 possibly leaving things in a bad state. Since this routine can be called
316 recursively, it needs to save and restore the contents of the result_ptr as
317 necessary. */
318
319static int
320call_wrapper (clientData, interp, objc, objv)
321 ClientData clientData;
322 Tcl_Interp *interp;
323 int objc;
324 Tcl_Obj *CONST objv[];
325{
326 struct wrapped_call_args wrapped_args;
327 gdbtk_result new_result, *old_result_ptr;
328 int length;
329
330 old_result_ptr = result_ptr;
331 result_ptr = &new_result;
332 result_ptr->obj_ptr = Tcl_NewObj();
333 result_ptr->flags = GDBTK_TO_RESULT;
334
335 wrapped_args.func = (Tcl_ObjCmdProc *) clientData;
336 wrapped_args.interp = interp;
337 wrapped_args.objc = objc;
338 wrapped_args.objv = objv;
339 wrapped_args.val = TCL_OK;
340
341 if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL))
342 {
343
344 wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */
345
346 /* Make sure the timer interrupts are turned off. */
347
348 gdbtk_stop_timer ();
349
350 gdb_flush (gdb_stderr); /* Flush error output */
351 gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */
352
353 /* If we errored out here, and the results were going to the
354 console, then gdbtk_fputs will have gathered the result into the
355 result_ptr. We also need to echo them out to the console here */
356
357 gdb_flush (gdb_stderr); /* Flush error output */
358 gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */
359
360 /* In case of an error, we may need to force the GUI into idle
361 mode because gdbtk_call_command may have bombed out while in
362 the command routine. */
363
364 running_now = 0;
365 Tcl_Eval (interp, "gdbtk_tcl_idle");
366
367 }
368
369 /* do not suppress any errors -- a remote target could have errored */
370 load_in_progress = 0;
371
372 /*
373 * Now copy the result over to the true Tcl result. If GDBTK_TO_RESULT flag
374 * bit is set , this just copies a null object over to the Tcl result, which is
375 * fine because we should reset the result in this case anyway.
376 */
377 if (result_ptr->flags & GDBTK_IN_TCL_RESULT)
378 {
379 Tcl_DecrRefCount(result_ptr->obj_ptr);
380 }
381 else
382 {
383 Tcl_SetObjResult (interp, result_ptr->obj_ptr);
384 }
385
386 result_ptr = old_result_ptr;
387
388#ifdef _WIN32
389 close_bfds ();
390#endif
391
392 return wrapped_args.val;
393}
394
395/*
396 * This is the wrapper that is passed to catch_errors.
397 */
398
399static int
400wrapped_call (opaque_args)
401 char *opaque_args;
402{
403 struct wrapped_call_args *args = (struct wrapped_call_args *) opaque_args;
404 args->val = (*args->func) (args->func, args->interp, args->objc, args->objv);
405 return 1;
406}
407
408/* This is a convenience function to sprintf something(s) into a
409 * new element in a Tcl list object.
410 */
411
412static void
413#ifdef ANSI_PROTOTYPES
414sprintf_append_element_to_obj (Tcl_Obj *objp, char *format, ...)
415#else
416sprintf_append_element_to_obj (va_alist)
417 va_dcl
418#endif
419{
420 va_list args;
421 char buf[1024];
422
423#ifdef ANSI_PROTOTYPES
424 va_start (args, format);
425#else
426 Tcl_Obj *objp;
427 char *format;
428
429 va_start (args);
430 dsp = va_arg (args, Tcl_Obj *);
431 format = va_arg (args, char *);
432#endif
433
434 vsprintf (buf, format, args);
435
436 Tcl_ListObjAppendElement (NULL, objp, Tcl_NewStringObj (buf, -1));
437}
438\f
439/*
440 * This section contains the commands that control execution.
441 */
442
443/* This implements the tcl command gdb_clear_file.
444 *
445 * Prepare to accept a new executable file. This is called when we
446 * want to clear away everything we know about the old file, without
447 * asking the user. The Tcl code will have already asked the user if
448 * necessary. After this is called, we should be able to run the
449 * `file' command without getting any questions.
450 *
451 * Arguments:
452 * None
453 * Tcl Result:
454 * None
455 */
456
457static int
458gdb_clear_file (clientData, interp, objc, objv)
459 ClientData clientData;
460 Tcl_Interp *interp;
461 int objc;
462 Tcl_Obj *CONST objv[];
463{
464 if (objc != 1)
465 Tcl_SetStringObj (result_ptr->obj_ptr,
466 "Wrong number of args, none are allowed.", -1);
467
468 if (inferior_pid != 0 && target_has_execution)
469 {
470 if (attach_flag)
471 target_detach (NULL, 0);
472 else
473 target_kill ();
474 }
475
476 if (target_has_execution)
477 pop_target ();
478
479 symbol_file_command (NULL, 0);
480
481 /* gdb_loc refers to stop_pc, but nothing seems to clear it, so we
482 clear it here. FIXME: This seems like an abstraction violation
483 somewhere. */
484 stop_pc = 0;
485
486 return TCL_OK;
487}
488
489/* This implements the tcl command gdb_confirm_quit
490 * Ask the user to confirm an exit request.
491 *
492 * Arguments:
493 * None
494 * Tcl Result:
495 * A boolean, 1 if the user answered yes, 0 if no.
496 */
497
498static int
499gdb_confirm_quit (clientData, interp, objc, objv)
500 ClientData clientData;
501 Tcl_Interp *interp;
502 int objc;
503 Tcl_Obj *CONST objv[];
504{
505 int ret;
506
507 if (objc != 1)
508 {
509 Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1);
510 return TCL_ERROR;
511 }
512
513 ret = quit_confirm ();
514 Tcl_SetBooleanObj (result_ptr->obj_ptr, ret);
515 return TCL_OK;
516}
517
518/* This implements the tcl command gdb_force_quit
519 * Quit without asking for confirmation.
520 *
521 * Arguments:
522 * None
523 * Tcl Result:
524 * None
525 */
526
527static int
528gdb_force_quit (clientData, interp, objc, objv)
529 ClientData clientData;
530 Tcl_Interp *interp;
531 int objc;
532 Tcl_Obj *CONST objv[];
533{
534 if (objc != 1)
535 {
536 Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1);
537 return TCL_ERROR;
538 }
539
540 quit_force ((char *) NULL, 1);
541 return TCL_OK;
542}
543
544/* This implements the tcl command gdb_stop
545 * It stops the target in a continuable fashion.
546 *
547 * Arguments:
548 * None
549 * Tcl Result:
550 * None
551 */
552
553static int
554gdb_stop (clientData, interp, objc, objv)
555 ClientData clientData;
556 Tcl_Interp *interp;
557 int objc;
558 Tcl_Obj *CONST objv[];
559{
560 if (target_stop)
561 {
562 target_stop ();
563 }
564 else
565 quit_flag = 1; /* hope something sees this */
566
567 return TCL_OK;
568}
569
570\f
571/*
572 * This section contains Tcl commands that are wrappers for invoking
573 * the GDB command interpreter.
574 */
575
576
577/* This implements the tcl command `gdb_eval'.
578 * It uses the gdb evaluator to return the value of
579 * an expression in the current language
580 *
581 * Tcl Arguments:
582 * expression - the expression to evaluate.
583 * Tcl Result:
584 * The result of the evaluation.
585 */
586
587static int
588gdb_eval (clientData, interp, objc, objv)
589 ClientData clientData;
590 Tcl_Interp *interp;
591 int objc;
592 Tcl_Obj *CONST objv[];
593{
594 struct expression *expr;
595 struct cleanup *old_chain;
596 value_ptr val;
597
598 if (objc != 2)
599 {
600 Tcl_SetStringObj (result_ptr->obj_ptr,
601 "wrong # args, should be \"gdb_eval expression\"", -1);
602 return TCL_ERROR;
603 }
604
605 expr = parse_expression (Tcl_GetStringFromObj (objv[1], NULL));
606
607 old_chain = make_cleanup (free_current_contents, &expr);
608
609 val = evaluate_expression (expr);
610
611 /*
612 * Print the result of the expression evaluation. This will go to
613 * eventually go to gdbtk_fputs, and from there be collected into
614 * the Tcl result.
615 */
616
617 val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val),
618 gdb_stdout, 0, 0, 0, 0);
619
620 do_cleanups (old_chain);
621
622 return TCL_OK;
623}
624
625/* This implements the tcl command "gdb_cmd".
626 *
627 * It sends its argument to the GDB command scanner for execution.
628 * This command will never cause the update, idle and busy hooks to be called
629 * within the GUI.
630 *
631 * Tcl Arguments:
632 * command - The GDB command to execute
633 * Tcl Result:
634 * The output from the gdb command (except for the "load" & "while"
635 * which dump their output to the console.
636 */
637
638static int
639gdb_cmd (clientData, interp, objc, objv)
640 ClientData clientData;
641 Tcl_Interp *interp;
642 int objc;
643 Tcl_Obj *CONST objv[];
644{
645
646 if (objc < 2)
647 {
648 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
649 return TCL_ERROR;
650 }
651
652 if (running_now || load_in_progress)
653 return TCL_OK;
654
655 No_Update = 1;
656
657 /* for the load instruction (and possibly others later) we
658 set turn off the GDBTK_TO_RESULT flag bit so gdbtk_fputs()
659 will not buffer all the data until the command is finished. */
660
661 if ((strncmp ("load ", Tcl_GetStringFromObj (objv[1], NULL), 5) == 0)
662 || (strncmp ("while ", Tcl_GetStringFromObj (objv[1], NULL), 6) == 0))
663 {
664 result_ptr->flags &= ~GDBTK_TO_RESULT;
665 load_in_progress = 1;
666 gdbtk_start_timer ();
667 }
668
669 execute_command (Tcl_GetStringFromObj (objv[1], NULL), 1);
670
671 if (load_in_progress)
672 {
673 gdbtk_stop_timer ();
674 load_in_progress = 0;
675 result_ptr->flags |= GDBTK_TO_RESULT;
676 }
677
678 bpstat_do_actions (&stop_bpstat);
679
680 return TCL_OK;
681}
682
683/*
684 * This implements the tcl command "gdb_immediate"
685 *
686 * It does exactly the same thing as gdb_cmd, except NONE of its outut
687 * is buffered. This will also ALWAYS cause the busy, update, and idle hooks to
688 * be called, contrasted with gdb_cmd, which NEVER calls them.
689 * It turns off the GDBTK_TO_RESULT flag, which diverts the result
690 * to the console window.
691 *
692 * Tcl Arguments:
693 * command - The GDB command to execute
694 * Tcl Result:
695 * None.
696 */
697
698static int
699gdb_immediate_command (clientData, interp, objc, objv)
700 ClientData clientData;
701 Tcl_Interp *interp;
702 int objc;
703 Tcl_Obj *CONST objv[];
704{
705
706 if (objc != 2)
707 {
708 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
709 return TCL_ERROR;
710 }
711
712 if (running_now || load_in_progress)
713 return TCL_OK;
714
715 No_Update = 0;
716
717 result_ptr->flags &= ~GDBTK_TO_RESULT;
718
719 execute_command (Tcl_GetStringFromObj (objv[1], NULL), 1);
720
721 bpstat_do_actions (&stop_bpstat);
722
723 result_ptr->flags |= GDBTK_TO_RESULT;
724
725 return TCL_OK;
726}
727
728/* This implements the tcl command "gdb_prompt"
729 *
730 * It returns the gdb interpreter's prompt.
731 *
732 * Tcl Arguments:
733 * None.
734 * Tcl Result:
735 * The prompt.
736 */
737
738static int
739gdb_prompt_command (clientData, interp, objc, objv)
740 ClientData clientData;
741 Tcl_Interp *interp;
742 int objc;
743 Tcl_Obj *CONST objv[];
744{
745 Tcl_SetStringObj (result_ptr->obj_ptr, get_prompt (), -1);
746 return TCL_OK;
747}
748
749\f
750/*
751 * This section contains general informational commands.
752 */
753
754/* This implements the tcl command "gdb_target_has_execution"
755 *
756 * Tells whether the target is executing.
757 *
758 * Tcl Arguments:
759 * None
760 * Tcl Result:
761 * A boolean indicating whether the target is executing.
762 */
763
764static int
765gdb_target_has_execution_command (clientData, interp, objc, objv)
766 ClientData clientData;
767 Tcl_Interp *interp;
768 int objc;
769 Tcl_Obj *CONST objv[];
770{
771 int result = 0;
772
773 if (target_has_execution && inferior_pid != 0)
774 result = 1;
775
776 Tcl_SetBooleanObj (result_ptr->obj_ptr, result);
777 return TCL_OK;
778}
779
780/* This implements the tcl command "gdb_load_info"
781 *
782 * It returns information about the file about to be downloaded.
783 *
784 * Tcl Arguments:
785 * filename: The file to open & get the info on.
786 * Tcl Result:
787 * A list consisting of the name and size of each section.
788 */
789
790static int
791gdb_load_info (clientData, interp, objc, objv)
792 ClientData clientData;
793 Tcl_Interp *interp;
794 int objc;
795 Tcl_Obj *CONST objv[];
796{
797 bfd *loadfile_bfd;
798 struct cleanup *old_cleanups;
799 asection *s;
800 Tcl_Obj *ob[2];
801 int i = 0;
802
803 char *filename = Tcl_GetStringFromObj (objv[1], NULL);
804
805 loadfile_bfd = bfd_openr (filename, gnutarget);
806 if (loadfile_bfd == NULL)
807 {
808 Tcl_SetStringObj (result_ptr->obj_ptr, "Open failed", -1);
809 return TCL_ERROR;
810 }
811 old_cleanups = make_cleanup (bfd_close, loadfile_bfd);
812
813 if (!bfd_check_format (loadfile_bfd, bfd_object))
814 {
815 Tcl_SetStringObj (result_ptr->obj_ptr, "Bad Object File", -1);
816 return TCL_ERROR;
817 }
818
819 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
820
821 for (s = loadfile_bfd->sections; s; s = s->next)
822 {
823 if (s->flags & SEC_LOAD)
824 {
825 bfd_size_type size = bfd_get_section_size_before_reloc (s);
826 if (size > 0)
827 {
828 ob[0] = Tcl_NewStringObj ((char *) bfd_get_section_name (loadfile_bfd, s), -1);
829 ob[1] = Tcl_NewLongObj ((long) size);
830 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewListObj (2, ob));
831 }
832 }
833 }
834
835 do_cleanups (old_cleanups);
836 return TCL_OK;
837}
838
839
840/* gdb_get_locals -
841 * This and gdb_get_locals just call gdb_get_vars_command with the right
842 * value of clientData. We can't use the client data in the definition
843 * of the command, because the call wrapper uses this instead...
844 */
845
846static int
847gdb_get_locals_command (clientData, interp, objc, objv)
848 ClientData clientData;
849 Tcl_Interp *interp;
850 int objc;
851 Tcl_Obj *CONST objv[];
852{
853
854 return gdb_get_vars_command((ClientData) 0, interp, objc, objv);
855
856}
857
858static int
859gdb_get_args_command (clientData, interp, objc, objv)
860 ClientData clientData;
861 Tcl_Interp *interp;
862 int objc;
863 Tcl_Obj *CONST objv[];
864{
865
866 return gdb_get_vars_command((ClientData) 1, interp, objc, objv);
867
868}
869
870/* This implements the tcl commands "gdb_get_locals" and "gdb_get_args"
871 *
872 * This function sets the Tcl interpreter's result to a list of variable names
873 * depending on clientData. If clientData is one, the result is a list of
874 * arguments; zero returns a list of locals -- all relative to the block
875 * specified as an argument to the command. Valid commands include
876 * anything decode_line_1 can handle (like "main.c:2", "*0x02020202",
877 * and "main").
878 *
879 * Tcl Arguments:
880 * block - the address within which to specify the locals or args.
881 * Tcl Result:
882 * A list of the locals or args
883 */
884
885static int
886gdb_get_vars_command (clientData, interp, objc, objv)
887 ClientData clientData;
888 Tcl_Interp *interp;
889 int objc;
890 Tcl_Obj *CONST objv[];
891{
892 struct symtabs_and_lines sals;
893 struct symbol *sym;
894 struct block *block;
895 char **canonical, *args;
896 int i, nsyms, arguments;
897
898 if (objc != 2)
899 {
900 Tcl_AppendStringsToObj (result_ptr->obj_ptr,
901 "wrong # of args: should be \"",
902 Tcl_GetStringFromObj (objv[0], NULL),
903 " function:line|function|line|*addr\"", NULL);
904 return TCL_ERROR;
905 }
906
907 arguments = (int) clientData;
908 args = Tcl_GetStringFromObj (objv[1], NULL);
909 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
910 if (sals.nelts == 0)
911 {
912 Tcl_SetStringObj (result_ptr->obj_ptr,
913 "error decoding line", -1);
914 return TCL_ERROR;
915 }
916
917 /* Initialize the result pointer to an empty list. */
918
919 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
920
921 /* Resolve all line numbers to PC's */
922 for (i = 0; i < sals.nelts; i++)
923 resolve_sal_pc (&sals.sals[i]);
924
925 block = block_for_pc (sals.sals[0].pc);
926 while (block != 0)
927 {
928 nsyms = BLOCK_NSYMS (block);
929 for (i = 0; i < nsyms; i++)
930 {
931 sym = BLOCK_SYM (block, i);
932 switch (SYMBOL_CLASS (sym)) {
933 default:
934 case LOC_UNDEF: /* catches errors */
935 case LOC_CONST: /* constant */
936 case LOC_STATIC: /* static */
937 case LOC_REGISTER: /* register */
938 case LOC_TYPEDEF: /* local typedef */
939 case LOC_LABEL: /* local label */
940 case LOC_BLOCK: /* local function */
941 case LOC_CONST_BYTES: /* loc. byte seq. */
942 case LOC_UNRESOLVED: /* unresolved static */
943 case LOC_OPTIMIZED_OUT: /* optimized out */
944 break;
945 case LOC_ARG: /* argument */
946 case LOC_REF_ARG: /* reference arg */
947 case LOC_REGPARM: /* register arg */
948 case LOC_REGPARM_ADDR: /* indirect register arg */
949 case LOC_LOCAL_ARG: /* stack arg */
950 case LOC_BASEREG_ARG: /* basereg arg */
951 if (arguments)
952 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr,
953 Tcl_NewStringObj (SYMBOL_NAME (sym), -1));
954 break;
955 case LOC_LOCAL: /* stack local */
956 case LOC_BASEREG: /* basereg local */
957 if (!arguments)
958 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr,
959 Tcl_NewStringObj (SYMBOL_NAME (sym), -1));
960 break;
961 }
962 }
963 if (BLOCK_FUNCTION (block))
964 break;
965 else
966 block = BLOCK_SUPERBLOCK (block);
967 }
968
969 return TCL_OK;
970}
971
972/* This implements the tcl command "gdb_get_line"
973 *
974 * It returns the linenumber for a given linespec. It will take any spec
975 * that can be passed to decode_line_1
976 *
977 * Tcl Arguments:
978 * linespec - the line specification
979 * Tcl Result:
980 * The line number for that spec.
981 */
982static int
983gdb_get_line_command (clientData, interp, objc, objv)
984 ClientData clientData;
985 Tcl_Interp *interp;
986 int objc;
987 Tcl_Obj *CONST objv[];
988{
989 Tcl_Obj *result;
990 struct symtabs_and_lines sals;
991 char *args, **canonical;
992
993 if (objc != 2)
994 {
995 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
996 Tcl_GetStringFromObj (objv[0], NULL),
997 " linespec\"", NULL);
998 return TCL_ERROR;
999 }
1000
1001 args = Tcl_GetStringFromObj (objv[1], NULL);
1002 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
1003 if (sals.nelts == 1)
1004 {
1005 Tcl_SetIntObj (result_ptr->obj_ptr, sals.sals[0].line);
1006 return TCL_OK;
1007 }
1008
1009 Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1);
1010 return TCL_OK;
1011
1012}
1013
1014/* This implements the tcl command "gdb_get_file"
1015 *
1016 * It returns the file containing a given line spec.
1017 *
1018 * Tcl Arguments:
1019 * linespec - The linespec to look up
1020 * Tcl Result:
1021 * The file containing it.
1022 */
1023
1024static int
1025gdb_get_file_command (clientData, interp, objc, objv)
1026 ClientData clientData;
1027 Tcl_Interp *interp;
1028 int objc;
1029 Tcl_Obj *CONST objv[];
1030{
1031 Tcl_Obj *result;
1032 struct symtabs_and_lines sals;
1033 char *args, **canonical;
1034
1035 if (objc != 2)
1036 {
1037 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1038 Tcl_GetStringFromObj (objv[0], NULL),
1039 " linespec\"", NULL);
1040 return TCL_ERROR;
1041 }
1042
1043 args = Tcl_GetStringFromObj (objv[1], NULL);
1044 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
1045 if (sals.nelts == 1)
1046 {
1047 Tcl_SetStringObj (result_ptr->obj_ptr, sals.sals[0].symtab->filename, -1);
1048 return TCL_OK;
1049 }
1050
1051 Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1);
1052 return TCL_OK;
1053}
1054
1055/* This implements the tcl command "gdb_get_function"
1056 *
1057 * It finds the function containing the given line spec.
1058 *
1059 * Tcl Arguments:
1060 * linespec - The line specification
1061 * Tcl Result:
1062 * The function that contains it, or "N/A" if it is not in a function.
1063 */
1064static int
1065gdb_get_function_command (clientData, interp, objc, objv)
1066 ClientData clientData;
1067 Tcl_Interp *interp;
1068 int objc;
1069 Tcl_Obj *CONST objv[];
1070{
1071 char *function;
1072 struct symtabs_and_lines sals;
1073 char *args, **canonical;
1074
1075 if (objc != 2)
1076 {
1077 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1078 Tcl_GetStringFromObj (objv[0], NULL),
1079 " linespec\"", NULL);
1080 return TCL_ERROR;
1081 }
1082
1083 args = Tcl_GetStringFromObj (objv[1], NULL);
1084 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
1085 if (sals.nelts == 1)
1086 {
1087 resolve_sal_pc (&sals.sals[0]);
1088 find_pc_partial_function (sals.sals[0].pc, &function, NULL, NULL);
1089 if (function != NULL)
1090 {
1091 Tcl_SetStringObj (result_ptr->obj_ptr, function, -1);
1092 return TCL_OK;
1093 }
1094 }
1095
1096 Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1);
1097 return TCL_OK;
1098}
1099
1100/* This implements the tcl command "gdb_find_file"
1101 *
1102 * It searches the symbol tables to get the full pathname to a file.
1103 *
1104 * Tcl Arguments:
1105 * filename: the file name to search for.
1106 * Tcl Result:
1107 * The full path to the file, or an empty string if the file is not
1108 * found.
1109 */
1110
1111static int
1112gdb_find_file_command (clientData, interp, objc, objv)
1113 ClientData clientData;
1114 Tcl_Interp *interp;
1115 int objc;
1116 Tcl_Obj *CONST objv[];
1117{
1118 char *filename = NULL;
1119 struct symtab *st;
1120
1121 if (objc != 2)
1122 {
1123 Tcl_WrongNumArgs(interp, 1, objv, "filename");
1124 return TCL_ERROR;
1125 }
1126
1127 st = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL));
1128 if (st)
1129 filename = st->fullname;
1130
1131 if (filename == NULL)
1132 Tcl_SetStringObj (result_ptr->obj_ptr, "", 0);
1133 else
1134 Tcl_SetStringObj (result_ptr->obj_ptr, filename, -1);
1135
1136 return TCL_OK;
1137}
1138
1139/* This implements the tcl command "gdb_listfiles"
1140 *
1141 * This lists all the files in the current executible.
1142 *
1143 * Arguments:
1144 * ?pathname? - If provided, only files which match pathname
1145 * (up to strlen(pathname)) are included.
1146 * Tcl Result:
1147 * A list of all matching files.
1148 */
1149
1150static int
1151gdb_listfiles (clientData, interp, objc, objv)
1152 ClientData clientData;
1153 Tcl_Interp *interp;
1154 int objc;
1155 Tcl_Obj *CONST objv[];
1156{
1157 struct objfile *objfile;
1158 struct partial_symtab *psymtab;
1159 struct symtab *symtab;
1160 char *lastfile, *pathname, **files;
1161 int files_size;
1162 int i, numfiles = 0, len = 0;
1163 Tcl_Obj *mylist;
1164
1165 files_size = 1000;
1166 files = (char **) xmalloc (sizeof (char *) * files_size);
1167
1168 if (objc > 2)
1169 {
1170 Tcl_WrongNumArgs (interp, 1, objv, "Usage: gdb_listfiles ?pathname?");
1171 return TCL_ERROR;
1172 }
1173 else if (objc == 2)
1174 pathname = Tcl_GetStringFromObj (objv[1], &len);
1175
1176 ALL_PSYMTABS (objfile, psymtab)
1177 {
1178 if (numfiles == files_size)
1179 {
1180 files_size = files_size * 2;
1181 files = (char **) xrealloc (files, sizeof (char *) * files_size);
1182 }
1183 if (len == 0)
1184 {
1185 if (psymtab->filename)
1186 files[numfiles++] = basename(psymtab->filename);
1187 }
1188 else if (!strcmp(psymtab->filename,basename(psymtab->filename))
1189 || !strncmp(pathname,psymtab->filename,len))
1190 if (psymtab->filename)
1191 files[numfiles++] = basename(psymtab->filename);
1192 }
1193
1194 ALL_SYMTABS (objfile, symtab)
1195 {
1196 if (numfiles == files_size)
1197 {
1198 files_size = files_size * 2;
1199 files = (char **) xrealloc (files, sizeof (char *) * files_size);
1200 }
1201 if (len == 0)
1202 {
1203 if (symtab->filename)
1204 files[numfiles++] = basename(symtab->filename);
1205 }
1206 else if (!strcmp(symtab->filename,basename(symtab->filename))
1207 || !strncmp(pathname,symtab->filename,len))
1208 if (symtab->filename)
1209 files[numfiles++] = basename(symtab->filename);
1210 }
1211
1212 qsort (files, numfiles, sizeof(char *), comp_files);
1213
1214 lastfile = "";
1215
1216 /* Discard the old result pointer, in case it has accumulated anything
1217 and set it to a new list object */
1218
1219 Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL);
1220
1221 for (i = 0; i < numfiles; i++)
1222 {
1223 if (strcmp(files[i],lastfile))
1224 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj(files[i], -1));
1225 lastfile = files[i];
1226 }
1227
1228 free (files);
1229 return TCL_OK;
1230}
1231
1232static int
1233comp_files (file1, file2)
1234 const void *file1, *file2;
1235{
1236 return strcmp(* (char **) file1, * (char **) file2);
1237}
1238
1239
1240/* This implements the tcl command "gdb_search"
1241 *
1242 *
1243 * Tcl Arguments:
1244 * option - One of "functions", "variables" or "types"
1245 * regexp - The regular expression to look for.
1246 * Then, optionally:
1247 * -files fileList
1248 * -static 1/0
1249 * Tcl Result:
1250 *
1251 */
1252
1253static int
1254gdb_search (clientData, interp, objc, objv)
1255 ClientData clientData;
1256 Tcl_Interp *interp;
1257 int objc;
1258 Tcl_Obj *CONST objv[];
1259{
1260 struct symbol_search *ss;
1261 struct symbol_search *p;
1262 struct cleanup *old_chain;
1263 Tcl_Obj *list, *result, *CONST *switch_objv;
1264 int index, switch_objc, i;
1265 namespace_enum space;
1266 char *regexp, *val;
1267 int static_only, nfiles;
1268 Tcl_Obj **file_list;
1269 char **files;
1270 static char *search_options[] = { "functions", "variables", "types", (char *) NULL };
1271 static char *switches[] = { "-files", "-static" };
1272 enum search_opts { SEARCH_FUNCTIONS, SEARCH_VARIABLES, SEARCH_TYPES };
1273 enum switches_opts { SWITCH_FILES, SWITCH_STATIC_ONLY };
1274
1275 if (objc < 3)
1276 {
1277 Tcl_WrongNumArgs (interp, 1, objv, "option regexp ?arg ...?");
1278 return TCL_ERROR;
1279 }
1280
1281 if (Tcl_GetIndexFromObj (interp, objv[1], search_options, "option", 0,
1282 &index) != TCL_OK)
1283 return TCL_ERROR;
1284
1285 /* Unfortunately, we cannot teach search_symbols to search on
1286 multiple regexps, so we have to do a two-tier search for
1287 any searches which choose to narrow the playing field. */
1288 switch ((enum search_opts) index)
1289 {
1290 case SEARCH_FUNCTIONS:
1291 space = FUNCTIONS_NAMESPACE; break;
1292 case SEARCH_VARIABLES:
1293 space = VARIABLES_NAMESPACE; break;
1294 case SEARCH_TYPES:
1295 space = TYPES_NAMESPACE; break;
1296 }
1297
1298 regexp = Tcl_GetStringFromObj (objv[2], NULL);
1299 /* Process any switches that refine the search */
1300 switch_objc = objc - 3;
1301 switch_objv = objv + 3;
1302
1303 static_only = 0;
1304 nfiles = 0;
1305 files = (char **) NULL;
1306 while (switch_objc > 0)
1307 {
1308 if (Tcl_GetIndexFromObj (interp, switch_objv[0], switches,
1309 "option", 0, &index) != TCL_OK)
1310 {
1311 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1312 return TCL_ERROR;
1313 }
1314
1315 switch ((enum switches_opts) index)
1316 {
1317 case SWITCH_FILES:
1318 if (switch_objc < 2)
1319 {
1320 Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList -static 1|0]");
1321 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1322 return TCL_ERROR;
1323 }
1324 Tcl_ListObjGetElements (interp, switch_objv[1], &nfiles, &file_list);
1325 files = (char **) xmalloc (nfiles);
1326 old_chain = make_cleanup (free, files);
1327
1328 for (i = 0; i < nfiles; i++)
1329 files[i] = Tcl_GetStringFromObj (file_list[i], NULL);
1330 switch_objc--;
1331 switch_objv++;
1332 break;
1333 case SWITCH_STATIC_ONLY:
1334 if (switch_objc < 2)
1335 {
1336 Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList] [-static 1|0]");
1337 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1338 return TCL_ERROR;
1339 }
1340 if ( Tcl_GetBooleanFromObj (interp, switch_objv[1], &static_only) !=
1341 TCL_OK) {
1342 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1343 return TCL_ERROR;
1344 }
1345 switch_objc--;
1346 switch_objv++;
1347 }
1348
1349 switch_objc--;
1350 switch_objv++;
1351 }
1352
1353 search_symbols (regexp, space, nfiles, files, &ss);
1354 if (files != NULL && ss != NULL)
1355 do_cleanups (old_chain);
1356 old_chain = make_cleanup (free_search_symbols, ss);
1357
1358 Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL);
1359
1360 for (p = ss; p != NULL; p = p->next)
1361 {
1362 Tcl_Obj *elem;
1363
1364 if (static_only && p->block != STATIC_BLOCK)
1365 continue;
1366
1367 elem = Tcl_NewListObj (0, NULL);
1368
1369 if (p->msymbol == NULL)
1370 Tcl_ListObjAppendElement (interp, elem,
1371 Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->symbol), -1));
1372 else
1373 Tcl_ListObjAppendElement (interp, elem,
1374 Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->msymbol), -1));
1375
1376 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, elem);
1377 }
1378
1379 do_cleanups (old_chain);
1380 return TCL_OK;
1381}
1382
1383/* This implements the tcl command gdb_listfuncs
1384 *
1385 * It lists all the functions defined in a given file
1386 *
1387 * Arguments:
1388 * file - the file to look in
1389 * Tcl Result:
1390 * A list of two element lists, the first element is
1391 * the symbol name, and the second is a boolean indicating
1392 * whether the symbol is demangled (1 for yes).
1393 */
1394
1395static int
1396gdb_listfuncs (clientData, interp, objc, objv)
1397 ClientData clientData;
1398 Tcl_Interp *interp;
1399 int objc;
1400 Tcl_Obj *CONST objv[];
1401{
1402 struct symtab *symtab;
1403 struct blockvector *bv;
1404 struct block *b;
1405 struct symbol *sym;
1406 char buf[128];
1407 int i,j;
1408 Tcl_Obj *funcVals[2];
1409
1410 if (objc != 2)
1411 {
1412 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
1413 }
1414
1415 symtab = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL));
1416 if (!symtab)
1417 {
1418 Tcl_SetStringObj (result_ptr->obj_ptr, "No such file", -1);
1419 return TCL_ERROR;
1420 }
1421
1422 if (mangled == NULL)
1423 {
1424 mangled = Tcl_NewBooleanObj(1);
1425 not_mangled = Tcl_NewBooleanObj(0);
1426 Tcl_IncrRefCount(mangled);
1427 Tcl_IncrRefCount(not_mangled);
1428 }
1429
1430 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
1431
1432 bv = BLOCKVECTOR (symtab);
1433 for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++)
1434 {
1435 b = BLOCKVECTOR_BLOCK (bv, i);
1436 /* Skip the sort if this block is always sorted. */
1437 if (!BLOCK_SHOULD_SORT (b))
1438 sort_block_syms (b);
1439 for (j = 0; j < BLOCK_NSYMS (b); j++)
1440 {
1441 sym = BLOCK_SYM (b, j);
1442 if (SYMBOL_CLASS (sym) == LOC_BLOCK)
1443 {
1444
1445 char *name = cplus_demangle (SYMBOL_NAME(sym), 0);
1446 if (name)
1447 {
1448 funcVals[0] = Tcl_NewStringObj(name, -1);
1449 funcVals[1] = mangled;
1450 }
1451 else
1452 {
1453 funcVals[0] = Tcl_NewStringObj(SYMBOL_NAME(sym), -1);
1454 funcVals[1] = not_mangled;
1455 }
1456 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
1457 Tcl_NewListObj (2, funcVals));
1458 }
1459 }
1460 }
1461 return TCL_OK;
1462}
1463
1464\f
1465/*
1466 * This section contains all the commands that act on the registers:
1467 */
1468
1469/* This is a sort of mapcar function for operations on registers */
1470
1471static int
1472map_arg_registers (objc, objv, func, argp)
1473 int objc;
1474 Tcl_Obj *CONST objv[];
1475 void (*func) PARAMS ((int regnum, void *argp));
1476 void *argp;
1477{
1478 int regnum;
1479
1480 /* Note that the test for a valid register must include checking the
1481 reg_names array because NUM_REGS may be allocated for the union of the
1482 register sets within a family of related processors. In this case, the
1483 trailing entries of reg_names will change depending upon the particular
1484 processor being debugged. */
1485
1486 if (objc == 0) /* No args, just do all the regs */
1487 {
1488 for (regnum = 0;
1489 regnum < NUM_REGS
1490 && reg_names[regnum] != NULL
1491 && *reg_names[regnum] != '\000';
1492 regnum++)
1493 func (regnum, argp);
1494
1495 return TCL_OK;
1496 }
1497
1498 /* Else, list of register #s, just do listed regs */
1499 for (; objc > 0; objc--, objv++)
1500 {
1501
1502 if (Tcl_GetIntFromObj (NULL, *objv, &regnum) != TCL_OK) {
1503 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1504 return TCL_ERROR;
1505 }
1506
1507 if (regnum >= 0
1508 && regnum < NUM_REGS
1509 && reg_names[regnum] != NULL
1510 && *reg_names[regnum] != '\000')
1511 func (regnum, argp);
1512 else
1513 {
1514 Tcl_SetStringObj (result_ptr->obj_ptr, "bad register number", -1);
1515 return TCL_ERROR;
1516 }
1517 }
1518
1519 return TCL_OK;
1520}
1521
1522/* This implements the TCL command `gdb_regnames', which returns a list of
1523 all of the register names. */
1524
1525static int
1526gdb_regnames (clientData, interp, objc, objv)
1527 ClientData clientData;
1528 Tcl_Interp *interp;
1529 int objc;
1530 Tcl_Obj *CONST objv[];
1531{
1532 objc--;
1533 objv++;
1534
1535 return map_arg_registers (objc, objv, get_register_name, NULL);
1536}
1537
1538static void
1539get_register_name (regnum, argp)
1540 int regnum;
1541 void *argp; /* Ignored */
1542{
1543 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
1544 Tcl_NewStringObj (reg_names[regnum], -1));
1545}
1546
1547/* This implements the tcl command gdb_fetch_registers
1548 * Pass it a list of register names, and it will
1549 * return their values as a list.
1550 *
1551 * Tcl Arguments:
1552 * format: The format string for printing the values
1553 * args: the registers to look for
1554 * Tcl Result:
1555 * A list of their values.
1556 */
1557
1558static int
1559gdb_fetch_registers (clientData, interp, objc, objv)
1560 ClientData clientData;
1561 Tcl_Interp *interp;
1562 int objc;
1563 Tcl_Obj *CONST objv[];
1564{
1565 int format, result;
1566
1567 if (objc < 2)
1568 {
1569 Tcl_SetStringObj (result_ptr->obj_ptr,
1570 "wrong # args, should be gdb_fetch_registers format ?register1 register2 ...?", -1);
1571 }
1572 objc -= 2;
1573 objv++;
1574 format = *(Tcl_GetStringFromObj(objv[0], NULL));
1575 objv++;
1576
1577
1578 result_ptr->flags |= GDBTK_MAKES_LIST; /* Output the results as a list */
1579 result = map_arg_registers (objc, objv, get_register, (void *) format);
1580 result_ptr->flags &= ~GDBTK_MAKES_LIST;
1581
1582 return result;
1583}
1584
1585static void
1586get_register (regnum, fp)
1587 int regnum;
1588 void *fp;
1589{
1590 char raw_buffer[MAX_REGISTER_RAW_SIZE];
1591 char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
1592 int format = (int)fp;
1593
1594 if (format == 'N')
1595 format = 0;
1596
1597 if (read_relative_register_raw_bytes (regnum, raw_buffer))
1598 {
1599 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
1600 Tcl_NewStringObj ("Optimized out", -1));
1601 return;
1602 }
1603
1604 /* Convert raw data to virtual format if necessary. */
1605
1606 if (REGISTER_CONVERTIBLE (regnum))
1607 {
1608 REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum),
1609 raw_buffer, virtual_buffer);
1610 }
1611 else
1612 memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum));
1613
1614 if (format == 'r')
1615 {
1616 int j;
1617 printf_filtered ("0x");
1618 for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++)
1619 {
1620 register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j
1621 : REGISTER_RAW_SIZE (regnum) - 1 - j;
1622 printf_filtered ("%02x", (unsigned char)raw_buffer[idx]);
1623 }
1624 }
1625 else
1626 val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0,
1627 gdb_stdout, format, 1, 0, Val_pretty_default);
1628
1629}
1630
1631/* This implements the tcl command get_pc_reg
1632 * It returns the value of the PC register
1633 *
1634 * Tcl Arguments:
1635 * None
1636 * Tcl Result:
1637 * The value of the pc register.
1638 */
1639
1640static int
1641get_pc_register (clientData, interp, objc, objv)
1642 ClientData clientData;
1643 Tcl_Interp *interp;
1644 int objc;
1645 Tcl_Obj *CONST objv[];
1646{
1647 char buff[64];
1648
1649 sprintf (buff, "0x%llx",(long long) read_register (PC_REGNUM));
1650 Tcl_SetStringObj(result_ptr->obj_ptr, buff, -1);
1651 return TCL_OK;
1652}
1653
1654/* This implements the tcl command "gdb_changed_register_list"
1655 * It takes a list of registers, and returns a list of
1656 * the registers on that list that have changed since the last
1657 * time the proc was called.
1658 *
1659 * Tcl Arguments:
1660 * A list of registers.
1661 * Tcl Result:
1662 * A list of changed registers.
1663 */
1664
1665static int
1666gdb_changed_register_list (clientData, interp, objc, objv)
1667 ClientData clientData;
1668 Tcl_Interp *interp;
1669 int objc;
1670 Tcl_Obj *CONST objv[];
1671{
1672 objc--;
1673 objv++;
1674
1675 return map_arg_registers (objc, objv, register_changed_p, NULL);
1676}
1677
1678static void
1679register_changed_p (regnum, argp)
1680 int regnum;
1681 void *argp; /* Ignored */
1682{
1683 char raw_buffer[MAX_REGISTER_RAW_SIZE];
1684
1685 if (read_relative_register_raw_bytes (regnum, raw_buffer))
1686 return;
1687
1688 if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
1689 REGISTER_RAW_SIZE (regnum)) == 0)
1690 return;
1691
1692 /* Found a changed register. Save new value and return its number. */
1693
1694 memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
1695 REGISTER_RAW_SIZE (regnum));
1696
1697 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(regnum));
1698}
1699\f
1700/*
1701 * This section contains the commands that deal with tracepoints:
1702 */
1703
1704/* return a list of all tracepoint numbers in interpreter */
1705static int
1706gdb_get_tracepoint_list (clientData, interp, objc, objv)
1707 ClientData clientData;
1708 Tcl_Interp *interp;
1709 int objc;
1710 Tcl_Obj *CONST objv[];
1711{
1712 struct tracepoint *tp;
1713
1714 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
1715
1716 ALL_TRACEPOINTS (tp)
1717 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->number));
1718
1719 return TCL_OK;
1720}
1721
1722/* returns -1 if not found, tracepoint # if found */
1723int
1724tracepoint_exists (char * args)
1725{
1726 struct tracepoint *tp;
1727 char **canonical;
1728 struct symtabs_and_lines sals;
1729 char *file = NULL;
1730 int result = -1;
1731
1732 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
1733 if (sals.nelts == 1)
1734 {
1735 resolve_sal_pc (&sals.sals[0]);
1736 file = xmalloc (strlen (sals.sals[0].symtab->dirname)
1737 + strlen (sals.sals[0].symtab->filename) + 1);
1738 if (file != NULL)
1739 {
1740 strcpy (file, sals.sals[0].symtab->dirname);
1741 strcat (file, sals.sals[0].symtab->filename);
1742
1743 ALL_TRACEPOINTS (tp)
1744 {
1745 if (tp->address == sals.sals[0].pc)
1746 result = tp->number;
1747#if 0
1748 /* Why is this here? This messes up assembly traces */
1749 else if (tp->source_file != NULL
1750 && strcmp (tp->source_file, file) == 0
1751 && sals.sals[0].line == tp->line_number)
1752 result = tp->number;
1753#endif
1754 }
1755 }
1756 }
1757 if (file != NULL)
1758 free (file);
1759 return result;
1760}
1761
1762static int
1763gdb_tracepoint_exists_command (clientData, interp, objc, objv)
1764 ClientData clientData;
1765 Tcl_Interp *interp;
1766 int objc;
1767 Tcl_Obj *CONST objv[];
1768{
1769 char * args;
1770
1771 if (objc != 2)
1772 {
1773 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1774 Tcl_GetStringFromObj (objv[0], NULL),
1775 " function:line|function|line|*addr\"", NULL);
1776 return TCL_ERROR;
1777 }
1778
1779 args = Tcl_GetStringFromObj (objv[1], NULL);
1780
1781 Tcl_SetIntObj (result_ptr->obj_ptr, tracepoint_exists (args));
1782 return TCL_OK;
1783}
1784
1785static int
1786gdb_get_tracepoint_info (clientData, interp, objc, objv)
1787 ClientData clientData;
1788 Tcl_Interp *interp;
1789 int objc;
1790 Tcl_Obj *CONST objv[];
1791{
1792 struct symtab_and_line sal;
1793 int tpnum;
1794 struct tracepoint *tp;
1795 struct action_line *al;
1796 Tcl_Obj *action_list;
1797 char *filename, *funcname;
1798 char tmp[19];
1799
1800 if (objc != 2)
1801 {
1802 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
1803 return TCL_ERROR;
1804 }
1805
1806 if (Tcl_GetIntFromObj (NULL, objv[1], &tpnum) != TCL_OK)
1807 {
1808 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1809 return TCL_ERROR;
1810 }
1811
1812 ALL_TRACEPOINTS (tp)
1813 if (tp->number == tpnum)
1814 break;
1815
1816 if (tp == NULL)
1817 {
1818 Tcl_SetStringObj (result_ptr->obj_ptr, "Tracepoint #%d does not exist", -1);
1819 return TCL_ERROR;
1820 }
1821
1822 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
1823 sal = find_pc_line (tp->address, 0);
1824 filename = symtab_to_filename (sal.symtab);
1825 if (filename == NULL)
1826 filename = "N/A";
1827 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr,
1828 Tcl_NewStringObj (filename, -1));
1829 find_pc_partial_function (tp->address, &funcname, NULL, NULL);
1830 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (funcname, -1));
1831 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (sal.line));
1832 sprintf (tmp, "0x%lx", tp->address);
1833 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (tmp, -1));
1834 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->enabled));
1835 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->pass_count));
1836 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->step_count));
1837 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->thread));
1838 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->hit_count));
1839
1840 /* Append a list of actions */
1841 action_list = Tcl_NewObj ();
1842 for (al = tp->actions; al != NULL; al = al->next)
1843 {
1844 Tcl_ListObjAppendElement (interp, action_list,
1845 Tcl_NewStringObj (al->action, -1));
1846 }
1847 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, action_list);
1848
1849 return TCL_OK;
1850}
1851
1852
1853static int
1854gdb_trace_status (clientData, interp, objc, objv)
1855 ClientData clientData;
1856 Tcl_Interp *interp;
1857 int objc;
1858 Tcl_Obj *CONST objv[];
1859{
1860 int result = 0;
1861
1862 if (trace_running_p)
1863 result = 1;
1864
1865 Tcl_SetIntObj (result_ptr->obj_ptr, result);
1866 return TCL_OK;
1867}
1868
1869
1870
1871static int
1872gdb_get_trace_frame_num (clientData, interp, objc, objv)
1873 ClientData clientData;
1874 Tcl_Interp *interp;
1875 int objc;
1876 Tcl_Obj *CONST objv[];
1877{
1878 if (objc != 1)
1879 {
1880 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1881 Tcl_GetStringFromObj (objv[0], NULL),
1882 " linespec\"", NULL);
1883 return TCL_ERROR;
1884 }
1885
1886 Tcl_SetIntObj (result_ptr->obj_ptr, get_traceframe_number ());
1887 return TCL_OK;
1888
1889}
1890
1891/* This implements the tcl command gdb_actions
1892 * It sets actions for a given tracepoint.
1893 *
1894 * Tcl Arguments:
1895 * number: the tracepoint in question
1896 * actions: the actions to add to this tracepoint
1897 * Tcl Result:
1898 * None.
1899 */
1900
1901static int
1902gdb_actions_command (clientData, interp, objc, objv)
1903 ClientData clientData;
1904 Tcl_Interp *interp;
1905 int objc;
1906 Tcl_Obj *CONST objv[];
1907{
1908 struct tracepoint *tp;
1909 Tcl_Obj **actions;
1910 int nactions, i, len;
1911 char *number, *args, *action;
1912 long step_count;
1913 struct action_line *next = NULL, *temp;
1914 enum actionline_type linetype;
1915
1916 if (objc != 3)
1917 {
1918 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # args: should be: \"",
1919 Tcl_GetStringFromObj (objv[0], NULL),
1920 " number actions\"", NULL);
1921 return TCL_ERROR;
1922 }
1923
1924 args = number = Tcl_GetStringFromObj (objv[1], NULL);
1925 tp = get_tracepoint_by_number (&args);
1926 if (tp == NULL)
1927 {
1928 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "Tracepoint \"", number, "\" does not exist", NULL);
1929 return TCL_ERROR;
1930 }
1931
1932 /* Free any existing actions */
1933 if (tp->actions != NULL)
1934 free_actions (tp);
1935
1936 step_count = 0;
1937
1938 Tcl_ListObjGetElements (interp, objv[2], &nactions, &actions);
1939
1940 /* Add the actions to the tracepoint */
1941 for (i = 0; i < nactions; i++)
1942 {
1943 temp = xmalloc (sizeof (struct action_line));
1944 temp->next = NULL;
1945 action = Tcl_GetStringFromObj (actions[i], &len);
1946 temp->action = savestring (action, len);
1947
1948 linetype = validate_actionline (&(temp->action), tp);
1949
1950 if (linetype == BADLINE)
1951 {
1952 free (temp);
1953 continue;
1954 }
1955
1956 if (next == NULL)
1957 {
1958 tp->actions = temp;
1959 next = temp;
1960 }
1961 else
1962 {
1963 next->next = temp;
1964 next = temp;
1965 }
1966 }
1967
1968 return TCL_OK;
1969}
1970\f
1971/*
1972 * This section has commands that handle source disassembly.
1973 */
1974
1975/* This implements the tcl command gdb_disassemble
1976 *
1977 * Arguments:
1978 * source_with_assm - must be "source" or "nosource"
1979 * low_address - the address from which to start disassembly
1980 * ?hi_address? - the address to which to disassemble, defaults
1981 * to the end of the function containing low_address.
1982 * Tcl Result:
1983 * The disassembled code is passed to fputs_unfiltered, so it
1984 * either goes to the console if result_ptr->obj_ptr is NULL or to
1985 * the Tcl result.
1986 */
1987
1988static int
1989gdb_disassemble (clientData, interp, objc, objv)
1990 ClientData clientData;
1991 Tcl_Interp *interp;
1992 int objc;
1993 Tcl_Obj *CONST objv[];
1994{
1995 CORE_ADDR pc, low, high;
1996 int mixed_source_and_assembly;
1997 static disassemble_info di;
1998 static int di_initialized;
1999 char *arg_ptr;
2000
2001 if (objc != 3 && objc != 4)
2002 error ("wrong # args");
2003
2004 if (! di_initialized)
2005 {
2006 INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout,
2007 (fprintf_ftype) fprintf_unfiltered);
2008 di.flavour = bfd_target_unknown_flavour;
2009 di.memory_error_func = dis_asm_memory_error;
2010 di.print_address_func = dis_asm_print_address;
2011 di_initialized = 1;
2012 }
2013
2014 di.mach = tm_print_insn_info.mach;
2015 if (TARGET_BYTE_ORDER == BIG_ENDIAN)
2016 di.endian = BFD_ENDIAN_BIG;
2017 else
2018 di.endian = BFD_ENDIAN_LITTLE;
2019
2020 arg_ptr = Tcl_GetStringFromObj (objv[1], NULL);
2021 if (*arg_ptr == 's' && strcmp (arg_ptr, "source") == 0)
2022 mixed_source_and_assembly = 1;
2023 else if (*arg_ptr == 'n' && strcmp (arg_ptr, "nosource") == 0)
2024 mixed_source_and_assembly = 0;
2025 else
2026 error ("First arg must be 'source' or 'nosource'");
2027
2028 low = parse_and_eval_address (Tcl_GetStringFromObj (objv[2], NULL));
2029
2030 if (objc == 3)
2031 {
2032 if (find_pc_partial_function (low, NULL, &low, &high) == 0)
2033 error ("No function contains specified address");
2034 }
2035 else
2036 high = parse_and_eval_address (Tcl_GetStringFromObj (objv[3], NULL));
2037
2038 /* If disassemble_from_exec == -1, then we use the following heuristic to
2039 determine whether or not to do disassembly from target memory or from the
2040 exec file:
2041
2042 If we're debugging a local process, read target memory, instead of the
2043 exec file. This makes disassembly of functions in shared libs work
2044 correctly.
2045
2046 Else, we're debugging a remote process, and should disassemble from the
2047 exec file for speed. However, this is no good if the target modifies its
2048 code (for relocation, or whatever).
2049 */
2050
2051 if (disassemble_from_exec == -1)
2052 if (strcmp (target_shortname, "child") == 0
2053 || strcmp (target_shortname, "procfs") == 0
2054 || strcmp (target_shortname, "vxprocess") == 0)
2055 disassemble_from_exec = 0; /* It's a child process, read inferior mem */
2056 else
2057 disassemble_from_exec = 1; /* It's remote, read the exec file */
2058
2059 if (disassemble_from_exec)
2060 di.read_memory_func = gdbtk_dis_asm_read_memory;
2061 else
2062 di.read_memory_func = dis_asm_read_memory;
2063
2064 /* If just doing straight assembly, all we need to do is disassemble
2065 everything between low and high. If doing mixed source/assembly, we've
2066 got a totally different path to follow. */
2067
2068 if (mixed_source_and_assembly)
2069 { /* Come here for mixed source/assembly */
2070 /* The idea here is to present a source-O-centric view of a function to
2071 the user. This means that things are presented in source order, with
2072 (possibly) out of order assembly immediately following. */
2073 struct symtab *symtab;
2074 struct linetable_entry *le;
2075 int nlines;
2076 int newlines;
2077 struct my_line_entry *mle;
2078 struct symtab_and_line sal;
2079 int i;
2080 int out_of_order;
2081 int next_line;
2082
2083 symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */
2084
2085 if (!symtab)
2086 goto assembly_only;
2087
2088/* First, convert the linetable to a bunch of my_line_entry's. */
2089
2090 le = symtab->linetable->item;
2091 nlines = symtab->linetable->nitems;
2092
2093 if (nlines <= 0)
2094 goto assembly_only;
2095
2096 mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry));
2097
2098 out_of_order = 0;
2099
2100/* Copy linetable entries for this function into our data structure, creating
2101 end_pc's and setting out_of_order as appropriate. */
2102
2103/* First, skip all the preceding functions. */
2104
2105 for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ;
2106
2107/* Now, copy all entries before the end of this function. */
2108
2109 newlines = 0;
2110 for (; i < nlines - 1 && le[i].pc < high; i++)
2111 {
2112 if (le[i].line == le[i + 1].line
2113 && le[i].pc == le[i + 1].pc)
2114 continue; /* Ignore duplicates */
2115
2116 mle[newlines].line = le[i].line;
2117 if (le[i].line > le[i + 1].line)
2118 out_of_order = 1;
2119 mle[newlines].start_pc = le[i].pc;
2120 mle[newlines].end_pc = le[i + 1].pc;
2121 newlines++;
2122 }
2123
2124/* If we're on the last line, and it's part of the function, then we need to
2125 get the end pc in a special way. */
2126
2127 if (i == nlines - 1
2128 && le[i].pc < high)
2129 {
2130 mle[newlines].line = le[i].line;
2131 mle[newlines].start_pc = le[i].pc;
2132 sal = find_pc_line (le[i].pc, 0);
2133 mle[newlines].end_pc = sal.end;
2134 newlines++;
2135 }
2136
2137/* Now, sort mle by line #s (and, then by addresses within lines). */
2138
2139 if (out_of_order)
2140 qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines);
2141
2142/* Now, for each line entry, emit the specified lines (unless they have been
2143 emitted before), followed by the assembly code for that line. */
2144
2145 next_line = 0; /* Force out first line */
2146 for (i = 0; i < newlines; i++)
2147 {
2148/* Print out everything from next_line to the current line. */
2149
2150 if (mle[i].line >= next_line)
2151 {
2152 if (next_line != 0)
2153 print_source_lines (symtab, next_line, mle[i].line + 1, 0);
2154 else
2155 print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0);
2156
2157 next_line = mle[i].line + 1;
2158 }
2159
2160 for (pc = mle[i].start_pc; pc < mle[i].end_pc; )
2161 {
2162 QUIT;
2163 fputs_unfiltered (" ", gdb_stdout);
2164 print_address (pc, gdb_stdout);
2165 fputs_unfiltered (":\t ", gdb_stdout);
2166 pc += (*tm_print_insn) (pc, &di);
2167 fputs_unfiltered ("\n", gdb_stdout);
2168 }
2169 }
2170 }
2171 else
2172 {
2173assembly_only:
2174 for (pc = low; pc < high; )
2175 {
2176 QUIT;
2177 fputs_unfiltered (" ", gdb_stdout);
2178 print_address (pc, gdb_stdout);
2179 fputs_unfiltered (":\t ", gdb_stdout);
2180 pc += (*tm_print_insn) (pc, &di);
2181 fputs_unfiltered ("\n", gdb_stdout);
2182 }
2183 }
2184
2185 gdb_flush (gdb_stdout);
2186
2187 return TCL_OK;
2188}
2189
2190/* This is the memory_read_func for gdb_disassemble when we are
2191 disassembling from the exec file. */
2192
2193static int
2194gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info)
2195 bfd_vma memaddr;
2196 bfd_byte *myaddr;
2197 int len;
2198 disassemble_info *info;
2199{
2200 extern struct target_ops exec_ops;
2201 int res;
2202
2203 errno = 0;
2204 res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops);
2205
2206 if (res == len)
2207 return 0;
2208 else
2209 if (errno == 0)
2210 return EIO;
2211 else
2212 return errno;
2213}
2214
2215/* This will be passed to qsort to sort the results of the disassembly */
2216
2217static int
2218compare_lines (mle1p, mle2p)
2219 const PTR mle1p;
2220 const PTR mle2p;
2221{
2222 struct my_line_entry *mle1, *mle2;
2223 int val;
2224
2225 mle1 = (struct my_line_entry *) mle1p;
2226 mle2 = (struct my_line_entry *) mle2p;
2227
2228 val = mle1->line - mle2->line;
2229
2230 if (val != 0)
2231 return val;
2232
2233 return mle1->start_pc - mle2->start_pc;
2234}
2235
2236/* This implements the TCL command `gdb_loc',
2237 *
2238 * Arguments:
2239 * ?symbol? The symbol or address to locate - defaults to pc
2240 * Tcl Return:
2241 * a list consisting of the following:
2242 * basename, function name, filename, line number, address, current pc
2243 */
2244
2245static int
2246gdb_loc (clientData, interp, objc, objv)
2247 ClientData clientData;
2248 Tcl_Interp *interp;
2249 int objc;
2250 Tcl_Obj *CONST objv[];
2251{
2252 char *filename;
2253 struct symtab_and_line sal;
2254 char *funcname, *fname;
2255 CORE_ADDR pc;
2256
2257 if (!have_full_symbols () && !have_partial_symbols ())
2258 {
2259 Tcl_SetStringObj (result_ptr->obj_ptr, "No symbol table is loaded", -1);
2260 return TCL_ERROR;
2261 }
2262
2263 if (objc == 1)
2264 {
2265 if (selected_frame && (selected_frame->pc != stop_pc))
2266 {
2267 /* Note - this next line is not correct on all architectures. */
2268 /* For a graphical debugger we really want to highlight the */
2269 /* assembly line that called the next function on the stack. */
2270 /* Many architectures have the next instruction saved as the */
2271 /* pc on the stack, so what happens is the next instruction is hughlighted. */
2272 /* FIXME */
2273 pc = selected_frame->pc;
2274 sal = find_pc_line (selected_frame->pc,
2275 selected_frame->next != NULL
2276 && !selected_frame->next->signal_handler_caller
2277 && !frame_in_dummy (selected_frame->next));
2278 }
2279 else
2280 {
2281 pc = stop_pc;
2282 sal = find_pc_line (stop_pc, 0);
2283 }
2284 }
2285 else if (objc == 2)
2286 {
2287 struct symtabs_and_lines sals;
2288 int nelts;
2289
2290 sals = decode_line_spec (Tcl_GetStringFromObj (objv[1], NULL), 1);
2291
2292 nelts = sals.nelts;
2293 sal = sals.sals[0];
2294 free (sals.sals);
2295
2296 if (sals.nelts != 1)
2297 {
2298 Tcl_SetStringObj (result_ptr->obj_ptr, "Ambiguous line spec", -1);
2299 return TCL_ERROR;
2300 }
2301
2302 pc = sal.pc;
2303 }
2304 else
2305 {
2306 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
2307 return TCL_ERROR;
2308 }
2309
2310 if (sal.symtab)
2311 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2312 Tcl_NewStringObj (sal.symtab->filename, -1));
2313 else
2314 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj ("", 0));
2315
2316 find_pc_partial_function (pc, &funcname, NULL, NULL);
2317 fname = cplus_demangle (funcname, 0);
2318 if (fname)
2319 {
2320 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2321 Tcl_NewStringObj (fname, -1));
2322 free (fname);
2323 }
2324 else
2325 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2326 Tcl_NewStringObj (funcname, -1));
2327
2328 filename = symtab_to_filename (sal.symtab);
2329 if (filename == NULL)
2330 filename = "";
2331
2332 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2333 Tcl_NewStringObj (filename, -1));
2334 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(sal.line)); /* line number */
2335 sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(pc)); /* PC in current frame */
2336 sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(stop_pc)); /* Real PC */
2337 return TCL_OK;
2338}
2339
2340/* This implements the Tcl command 'gdb_get_mem', which
2341 * dumps a block of memory
2342 * Arguments:
2343 * gdb_get_mem addr form size num aschar
2344 *
2345 * addr: address of data to dump
2346 * form: a char indicating format
2347 * size: size of each element; 1,2,4, or 8 bytes
2348 * num: the number of bytes to read
2349 * acshar: an optional ascii character to use in ASCII dump
2350 *
2351 * Return:
2352 * a list of elements followed by an optional ASCII dump
2353 */
2354
2355static int
2356gdb_get_mem (clientData, interp, objc, objv)
2357 ClientData clientData;
2358 Tcl_Interp *interp;
2359 int objc;
2360 Tcl_Obj *CONST objv[];
2361{
2362 int size, asize, i, j, bc;
2363 CORE_ADDR addr;
2364 int nbytes, rnum, bpr;
2365 long tmp;
2366 char format, c, *ptr, buff[128], aschar, *mbuf, *mptr, *cptr, *bptr;
2367 struct type *val_type;
2368
2369 if (objc < 6 || objc > 7)
2370 {
2371 Tcl_SetStringObj (result_ptr->obj_ptr,
2372 "addr format size bytes bytes_per_row ?ascii_char?", -1);
2373 return TCL_ERROR;
2374 }
2375
2376 if (Tcl_GetIntFromObj (interp, objv[3], &size) != TCL_OK)
2377 {
2378 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
2379 return TCL_ERROR;
2380 }
2381 else if (size <= 0)
2382 {
2383 Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid size, must be > 0", -1);
2384 return TCL_ERROR;
2385 }
2386
2387 if (Tcl_GetIntFromObj (interp, objv[4], &nbytes) != TCL_OK)
2388 {
2389 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
2390 return TCL_ERROR;
2391 }
2392 else if (size <= 0)
2393 {
2394 Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid number of bytes, must be > 0",
2395 -1);
2396 return TCL_ERROR;
2397 }
2398
2399 if (Tcl_GetIntFromObj (interp, objv[5], &bpr) != TCL_OK)
2400 {
2401 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
2402 return TCL_ERROR;
2403 }
2404 else if (size <= 0)
2405 {
2406 Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid bytes per row, must be > 0", -1);
2407 return TCL_ERROR;
2408 }
2409
2410 if (Tcl_GetLongFromObj (interp, objv[1], &tmp) != TCL_OK)
2411 return TCL_OK;
2412
2413 addr = (CORE_ADDR) tmp;
2414
2415 format = *(Tcl_GetStringFromObj (objv[2], NULL));
2416 mbuf = (char *)malloc (nbytes+32);
2417 if (!mbuf)
2418 {
2419 Tcl_SetStringObj (result_ptr->obj_ptr, "Out of memory.", -1);
2420 return TCL_ERROR;
2421 }
2422
2423 memset (mbuf, 0, nbytes+32);
2424 mptr = cptr = mbuf;
2425
2426 rnum = target_read_memory_partial (addr, mbuf, nbytes, NULL);
2427
2428 if (objc == 7)
2429 aschar = *(Tcl_GetStringFromObj(objv[6], NULL));
2430 else
2431 aschar = 0;
2432
2433 switch (size) {
2434 case 1:
2435 val_type = builtin_type_char;
2436 asize = 'b';
2437 break;
2438 case 2:
2439 val_type = builtin_type_short;
2440 asize = 'h';
2441 break;
2442 case 4:
2443 val_type = builtin_type_int;
2444 asize = 'w';
2445 break;
2446 case 8:
2447 val_type = builtin_type_long_long;
2448 asize = 'g';
2449 break;
2450 default:
2451 val_type = builtin_type_char;
2452 asize = 'b';
2453 }
2454
2455 bc = 0; /* count of bytes in a row */
2456 buff[0] = '"'; /* buffer for ascii dump */
2457 bptr = &buff[1]; /* pointer for ascii dump */
2458
2459 result_ptr->flags |= GDBTK_MAKES_LIST; /* Build up the result as a list... */
2460
2461 for (i=0; i < nbytes; i+= size)
2462 {
2463 if ( i >= rnum)
2464 {
2465 fputs_unfiltered ("N/A ", gdb_stdout);
2466 if (aschar)
2467 for ( j = 0; j < size; j++)
2468 *bptr++ = 'X';
2469 }
2470 else
2471 {
2472 print_scalar_formatted (mptr, val_type, format, asize, gdb_stdout);
2473
2474 if (aschar)
2475 {
2476 for ( j = 0; j < size; j++)
2477 {
2478 c = *cptr++;
2479 if (c < 32 || c > 126)
2480 c = aschar;
2481 if (c == '"')
2482 *bptr++ = '\\';
2483 *bptr++ = c;
2484 }
2485 }
2486 }
2487
2488 mptr += size;
2489 bc += size;
2490
2491 if (aschar && (bc >= bpr))
2492 {
2493 /* end of row. print it and reset variables */
2494 bc = 0;
2495 *bptr++ = '"';
2496 *bptr++ = ' ';
2497 *bptr = 0;
2498 fputs_unfiltered (buff, gdb_stdout);
2499 bptr = &buff[1];
2500 }
2501 }
2502
2503 result_ptr->flags &= ~GDBTK_MAKES_LIST;
2504
2505 free (mbuf);
2506 return TCL_OK;
2507}
2508
2509\f
2510
2511/* This implements the tcl command "gdb_loadfile"
2512 * It loads a c source file into a text widget.
2513 *
2514 * Tcl Arguments:
2515 * widget: the name of the text widget to fill
2516 * filename: the name of the file to load
2517 * linenumbers: A boolean indicating whether or not to display line numbers.
2518 * Tcl Result:
2519 *
2520 */
2521
2522/* In this routine, we will build up a "line table", i.e. a
2523 * table of bits showing which lines in the source file are executible.
2524 * LTABLE_SIZE is the number of bytes to allocate for the line table.
2525 *
2526 * Its size limits the maximum number of lines
2527 * in a file to 8 * LTABLE_SIZE. This memory is freed after
2528 * the file is loaded, so it is OK to make this very large.
2529 * Additional memory will be allocated if needed. */
2530#define LTABLE_SIZE 20000
2531static int
2532gdb_loadfile (clientData, interp, objc, objv)
2533 ClientData clientData;
2534 Tcl_Interp *interp;
2535 int objc;
2536 Tcl_Obj *CONST objv[];
2537{
2538 char *file, *widget, *buf, msg[128];
2539 int linenumbers, ln, anum, lnum, ltable_size;
2540 FILE *fp;
2541 char *ltable;
2542 struct symtab *symtab;
2543 struct linetable_entry *le;
2544 long mtime = 0;
2545 struct stat st;
2546 Tcl_DString text_cmd_1, text_cmd_2, *cur_cmd;
2547 char line[1024], line_num_buf[16];
2548 int prefix_len_1, prefix_len_2, cur_prefix_len, widget_len;
2549
2550
2551 if (objc != 4)
2552 {
2553 Tcl_WrongNumArgs(interp, 1, objv, "widget filename linenumbers");
2554 return TCL_ERROR;
2555 }
2556
2557 widget = Tcl_GetStringFromObj (objv[1], NULL);
2558 if ( Tk_NameToWindow (interp, widget, Tk_MainWindow (interp)) == NULL)
2559 {
2560 return TCL_ERROR;
2561 }
2562
2563 file = Tcl_GetStringFromObj (objv[2], NULL);
2564 Tcl_GetBooleanFromObj (interp, objv[3], &linenumbers);
2565
2566 if ((fp = fopen ( file, "r" )) == NULL)
2567 {
2568 Tcl_SetStringObj ( result_ptr->obj_ptr, "Can't open file for reading", -1);
2569 return TCL_ERROR;
2570 }
2571
2572 symtab = full_lookup_symtab (file);
2573 if (!symtab)
2574 {
2575 Tcl_SetStringObj ( result_ptr->obj_ptr, "File not found in symtab", -1);
2576 fclose (fp);
2577 return TCL_ERROR;
2578 }
2579
2580 if (stat (file, &st) < 0)
2581 {
2582 catch_errors (perror_with_name_wrapper, "gdbtk: get time stamp", "",
2583 RETURN_MASK_ALL);
2584 return TCL_ERROR;
2585 }
2586
2587 if (symtab && symtab->objfile && symtab->objfile->obfd)
2588 mtime = bfd_get_mtime(symtab->objfile->obfd);
2589 else if (exec_bfd)
2590 mtime = bfd_get_mtime(exec_bfd);
2591
2592 if (mtime && mtime < st.st_mtime)
2593 gdbtk_ignorable_warning("Source file is more recent than executable.\n");
2594
2595
2596 /* Source linenumbers don't appear to be in order, and a sort is */
2597 /* too slow so the fastest solution is just to allocate a huge */
2598 /* array and set the array entry for each linenumber */
2599
2600 ltable_size = LTABLE_SIZE;
2601 ltable = (char *)malloc (LTABLE_SIZE);
2602 if (ltable == NULL)
2603 {
2604 Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1);
2605 fclose (fp);
2606 return TCL_ERROR;
2607 }
2608
2609 memset (ltable, 0, LTABLE_SIZE);
2610
2611 if (symtab->linetable && symtab->linetable->nitems)
2612 {
2613 le = symtab->linetable->item;
2614 for (ln = symtab->linetable->nitems ;ln > 0; ln--, le++)
2615 {
2616 lnum = le->line >> 3;
2617 if (lnum >= ltable_size)
2618 {
2619 char *new_ltable;
2620 new_ltable = (char *)realloc (ltable, ltable_size*2);
2621 memset (new_ltable + ltable_size, 0, ltable_size);
2622 ltable_size *= 2;
2623 if (new_ltable == NULL)
2624 {
2625 Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1);
2626 free (ltable);
2627 fclose (fp);
2628 return TCL_ERROR;
2629 }
2630 ltable = new_ltable;
2631 }
2632 ltable[lnum] |= 1 << (le->line % 8);
2633 }
2634 }
2635
2636 Tcl_DStringInit(&text_cmd_1);
2637 Tcl_DStringInit(&text_cmd_2);
2638
2639 ln = 1;
2640
2641 widget_len = strlen (widget);
2642 line[0] = '\t';
2643
2644 Tcl_DStringAppend (&text_cmd_1, widget, widget_len);
2645 Tcl_DStringAppend (&text_cmd_2, widget, widget_len);
2646
2647 if (linenumbers)
2648 {
2649 Tcl_DStringAppend (&text_cmd_1, " insert end {-\t", -1);
2650 prefix_len_1 = Tcl_DStringLength(&text_cmd_1);
2651
2652 Tcl_DStringAppend (&text_cmd_2, " insert end { \t", -1);
2653 prefix_len_2 = Tcl_DStringLength(&text_cmd_2);
2654
2655 while (fgets (line + 1, 980, fp))
2656 {
2657 sprintf (line_num_buf, "%d", ln);
2658 if (ltable[ln >> 3] & (1 << (ln % 8)))
2659 {
2660 cur_cmd = &text_cmd_1;
2661 cur_prefix_len = prefix_len_1;
2662 Tcl_DStringAppend (cur_cmd, line_num_buf, -1);
2663 Tcl_DStringAppend (cur_cmd, "} break_tag", 11);
2664 }
2665 else
2666 {
2667 cur_cmd = &text_cmd_2;
2668 cur_prefix_len = prefix_len_2;
2669 Tcl_DStringAppend (cur_cmd, line_num_buf, -1);
2670 Tcl_DStringAppend (cur_cmd, "} \"\"", 4);
2671 }
2672
2673 Tcl_DStringAppendElement (cur_cmd, line);
2674 Tcl_DStringAppend (cur_cmd, " source_tag", 11);
2675
2676 Tcl_Eval(interp, Tcl_DStringValue(cur_cmd));
2677 Tcl_DStringSetLength(cur_cmd, cur_prefix_len);
2678 ln++;
2679 }
2680 }
2681 else
2682 {
2683 Tcl_DStringAppend (&text_cmd_1, " insert end {-\t} break_tag", -1);
2684 prefix_len_1 = Tcl_DStringLength(&text_cmd_1);
2685 Tcl_DStringAppend (&text_cmd_2, " insert end { \t} \"\"", -1);
2686 prefix_len_2 = Tcl_DStringLength(&text_cmd_2);
2687
2688
2689 while (fgets (line + 1, 980, fp))
2690 {
2691 if (ltable[ln >> 3] & (1 << (ln % 8)))
2692 {
2693 cur_cmd = &text_cmd_1;
2694 cur_prefix_len = prefix_len_1;
2695 }
2696 else
2697 {
2698 cur_cmd = &text_cmd_2;
2699 cur_prefix_len = prefix_len_2;
2700 }
2701
2702 Tcl_DStringAppendElement (cur_cmd, line);
2703 Tcl_DStringAppend (cur_cmd, " source_tag", 11);
2704
2705 Tcl_Eval(interp, Tcl_DStringValue(cur_cmd));
2706 Tcl_DStringSetLength(cur_cmd, cur_prefix_len);
2707
2708 ln++;
2709 }
2710 }
2711
2712 Tcl_DStringFree (&text_cmd_1);
2713 Tcl_DStringFree (&text_cmd_2);
2714 free (ltable);
2715 fclose (fp);
2716 return TCL_OK;
2717}
2718\f
2719/*
2720 * This section contains commands for manipulation of breakpoints.
2721 */
2722
2723
2724/* set a breakpoint by source file and line number */
2725/* flags are as follows: */
2726/* least significant 2 bits are disposition, rest is */
2727/* type (normally 0).
2728
2729enum bptype {
2730 bp_breakpoint, Normal breakpoint
2731 bp_hardware_breakpoint, Hardware assisted breakpoint
2732}
2733
2734Disposition of breakpoint. Ie: what to do after hitting it.
2735enum bpdisp {
2736 del, Delete it
2737 del_at_next_stop, Delete at next stop, whether hit or not
2738 disable, Disable it
2739 donttouch Leave it alone
2740 };
2741*/
2742
2743/* This implements the tcl command "gdb_set_bp"
2744 * It sets breakpoints, and runs the Tcl command
2745 * gdbtk_tcl_breakpoint create
2746 * to register the new breakpoint with the GUI.
2747 *
2748 * Tcl Arguments:
2749 * filename: the file in which to set the breakpoint
2750 * line: the line number for the breakpoint
2751 * type: the type of the breakpoint
2752 * Tcl Result:
2753 * The return value of the call to gdbtk_tcl_breakpoint.
2754 */
2755
2756static int
2757gdb_set_bp (clientData, interp, objc, objv)
2758 ClientData clientData;
2759 Tcl_Interp *interp;
2760 int objc;
2761 Tcl_Obj *CONST objv[];
2762
2763{
2764 struct symtab_and_line sal;
2765 int line, flags, ret;
2766 struct breakpoint *b;
2767 char buf[64];
2768 Tcl_DString cmd;
2769
2770 if (objc != 4)
2771 {
2772 Tcl_WrongNumArgs(interp, 1, objv, "filename line type");
2773 return TCL_ERROR;
2774 }
2775
2776 sal.symtab = full_lookup_symtab (Tcl_GetStringFromObj( objv[1], NULL));
2777 if (sal.symtab == NULL)
2778 return TCL_ERROR;
2779
2780 if (Tcl_GetIntFromObj( interp, objv[2], &line) == TCL_ERROR)
2781 {
2782 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2783 return TCL_ERROR;
2784 }
2785
2786 if (Tcl_GetIntFromObj( interp, objv[3], &flags) == TCL_ERROR)
2787 {
2788 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2789 return TCL_ERROR;
2790 }
2791
2792 sal.line = line;
2793 if (!find_line_pc (sal.symtab, sal.line, &sal.pc))
2794 return TCL_ERROR;
2795
2796 sal.section = find_pc_overlay (sal.pc);
2797 b = set_raw_breakpoint (sal);
2798 set_breakpoint_count (breakpoint_count + 1);
2799 b->number = breakpoint_count;
2800 b->type = flags >> 2;
2801 b->disposition = flags & 3;
2802
2803 /* FIXME: this won't work for duplicate basenames! */
2804 sprintf (buf, "%s:%d", basename (Tcl_GetStringFromObj ( objv[1], NULL)), line);
2805 b->addr_string = strsave (buf);
2806
2807 /* now send notification command back to GUI */
2808
2809 Tcl_DStringInit (&cmd);
2810
2811 Tcl_DStringAppend (&cmd, "gdbtk_tcl_breakpoint create ", -1);
2812 sprintf (buf, "%d", b->number);
2813 Tcl_DStringAppendElement(&cmd, buf);
2814 sprintf (buf, "0x%x", sal.pc);
2815 Tcl_DStringAppendElement (&cmd, buf);
2816 Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[2], NULL));
2817 Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[1], NULL));
2818
2819 ret = Tcl_Eval (interp, Tcl_DStringValue (&cmd));
2820 Tcl_DStringFree (&cmd);
2821 return ret;
2822}
2823
2824/* This implements the tcl command gdb_get_breakpoint_info
2825 *
2826 *
2827 * Tcl Arguments:
2828 * breakpoint_number
2829 * Tcl Result:
2830 * A list with {file, function, line_number, address, type, enabled?,
2831 * disposition, ignore_count, {list_of_commands}, thread, hit_count}
2832 */
2833
2834static int
2835gdb_get_breakpoint_info (clientData, interp, objc, objv)
2836 ClientData clientData;
2837 Tcl_Interp *interp;
2838 int objc;
2839 Tcl_Obj *CONST objv[];
2840{
2841 struct symtab_and_line sal;
2842 static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until",
2843 "finish", "watchpoint", "hardware watchpoint",
2844 "read watchpoint", "access watchpoint",
2845 "longjmp", "longjmp resume", "step resume",
2846 "through sigtramp", "watchpoint scope",
2847 "call dummy" };
2848 static char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"};
2849 struct command_line *cmd;
2850 int bpnum;
2851 struct breakpoint *b;
2852 extern struct breakpoint *breakpoint_chain;
2853 char *funcname, *fname, *filename;
2854 Tcl_Obj *new_obj;
2855
2856 if (objc != 2)
2857 {
2858 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong number of args, should be \"breakpoint\"", -1);
2859 return TCL_ERROR;
2860 }
2861
2862 if ( Tcl_GetIntFromObj(NULL, objv[1], &bpnum) != TCL_OK)
2863 {
2864 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2865 return TCL_ERROR;
2866 }
2867
2868 for (b = breakpoint_chain; b; b = b->next)
2869 if (b->number == bpnum)
2870 break;
2871
2872 if (!b || b->type != bp_breakpoint)
2873 {
2874 Tcl_SetStringObj (result_ptr->obj_ptr, "Breakpoint #%d does not exist", -1);
2875 return TCL_ERROR;
2876 }
2877
2878 sal = find_pc_line (b->address, 0);
2879
2880 filename = symtab_to_filename (sal.symtab);
2881 if (filename == NULL)
2882 filename = "";
2883
2884 Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL);
2885 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2886 Tcl_NewStringObj (filename, -1));
2887
2888 find_pc_partial_function (b->address, &funcname, NULL, NULL);
2889 fname = cplus_demangle (funcname, 0);
2890 if (fname)
2891 {
2892 new_obj = Tcl_NewStringObj (fname, -1);
2893 free (fname);
2894 }
2895 else
2896 new_obj = Tcl_NewStringObj (funcname, -1);
2897
2898 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj);
2899
2900 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->line_number));
2901 sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%lx", b->address);
2902 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2903 Tcl_NewStringObj (bptypes[b->type], -1));
2904 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewBooleanObj(b->enable == enabled));
2905 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2906 Tcl_NewStringObj (bpdisp[b->disposition], -1));
2907 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->ignore_count));
2908
2909 new_obj = Tcl_NewObj();
2910 for (cmd = b->commands; cmd; cmd = cmd->next)
2911 Tcl_ListObjAppendElement (NULL, new_obj,
2912 Tcl_NewStringObj (cmd->line, -1));
2913 Tcl_ListObjAppendElement(NULL, result_ptr->obj_ptr, new_obj);
2914
2915 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2916 Tcl_NewStringObj (b->cond_string, -1));
2917
2918 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->thread));
2919 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->hit_count));
2920
2921 return TCL_OK;
2922}
2923
2924
2925/* This implements the tcl command gdb_get_breakpoint_list
2926 * It builds up a list of the current breakpoints.
2927 *
2928 * Tcl Arguments:
2929 * None.
2930 * Tcl Result:
2931 * A list of breakpoint numbers.
2932 */
2933
2934static int
2935gdb_get_breakpoint_list (clientData, interp, objc, objv)
2936 ClientData clientData;
2937 Tcl_Interp *interp;
2938 int objc;
2939 Tcl_Obj *CONST objv[];
2940{
2941 struct breakpoint *b;
2942 extern struct breakpoint *breakpoint_chain;
2943 Tcl_Obj *new_obj;
2944
2945 if (objc != 1)
2946 error ("wrong number of args, none are allowed");
2947
2948 for (b = breakpoint_chain; b; b = b->next)
2949 if (b->type == bp_breakpoint)
2950 {
2951 new_obj = Tcl_NewIntObj (b->number);
2952 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj);
2953 }
2954
2955 return TCL_OK;
2956}
2957
2958\f
2959/*
2960 * This section contains a bunch of miscellaneous utility commands
2961 */
2962
2963/* This implements the tcl command gdb_path_conv
2964 *
2965 * On Windows, it canonicalizes the pathname,
2966 * On Unix, it is a no op.
2967 *
2968 * Arguments:
2969 * path
2970 * Tcl Result:
2971 * The canonicalized path.
2972 */
2973
2974static int
2975gdb_path_conv (clientData, interp, objc, objv)
2976 ClientData clientData;
2977 Tcl_Interp *interp;
2978 int objc;
2979 Tcl_Obj *CONST objv[];
2980{
2981 if (objc != 2)
2982 error ("wrong # args");
2983
2984#ifdef WINNT
2985 {
2986 char pathname[256], *ptr;
2987
2988 cygwin32_conv_to_full_win32_path (Tcl_GetStringFromObj(objv[1], NULL), pathname);
2989 for (ptr = pathname; *ptr; ptr++)
2990 {
2991 if (*ptr == '\\')
2992 *ptr = '/';
2993 }
2994 Tcl_SetStringObj (result_ptr->obj_ptr, pathname, -1);
2995 }
2996#else
2997 Tcl_SetStringObj (result_ptr->obj_ptr, Tcl_GetStringFromObj (objv[1], NULL), -1);
2998#endif
2999
3000 return TCL_OK;
3001}
3002\f
3003/*
3004 * This section has utility routines that are not Tcl commands.
3005 */
3006
3007static int
3008perror_with_name_wrapper (args)
3009 char * args;
3010{
3011 perror_with_name (args);
3012 return 1;
3013}
3014
3015/* The lookup_symtab() in symtab.c doesn't work correctly */
3016/* It will not work will full pathnames and if multiple */
3017/* source files have the same basename, it will return */
3018/* the first one instead of the correct one. This version */
3019/* also always makes sure symtab->fullname is set. */
3020
3021static struct symtab *
3022full_lookup_symtab(file)
3023 char *file;
3024{
3025 struct symtab *st;
3026 struct objfile *objfile;
3027 char *bfile, *fullname;
3028 struct partial_symtab *pt;
3029
3030 if (!file)
3031 return NULL;
3032
3033 /* first try a direct lookup */
3034 st = lookup_symtab (file);
3035 if (st)
3036 {
3037 if (!st->fullname)
3038 symtab_to_filename(st);
3039 return st;
3040 }
3041
3042 /* if the direct approach failed, try */
3043 /* looking up the basename and checking */
3044 /* all matches with the fullname */
3045 bfile = basename (file);
3046 ALL_SYMTABS (objfile, st)
3047 {
3048 if (!strcmp (bfile, basename(st->filename)))
3049 {
3050 if (!st->fullname)
3051 fullname = symtab_to_filename (st);
3052 else
3053 fullname = st->fullname;
3054
3055 if (!strcmp (file, fullname))
3056 return st;
3057 }
3058 }
3059
3060 /* still no luck? look at psymtabs */
3061 ALL_PSYMTABS (objfile, pt)
3062 {
3063 if (!strcmp (bfile, basename(pt->filename)))
3064 {
3065 st = PSYMTAB_TO_SYMTAB (pt);
3066 if (st)
3067 {
3068 fullname = symtab_to_filename (st);
3069 if (!strcmp (file, fullname))
3070 return st;
3071 }
3072 }
3073 }
3074 return NULL;
3075}
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