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* lib/sim-defs.exp (run_sim_test): New option xerror, for expected
[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
63d138d9
JI		 134/* These two lookup tables are used to translate the type & disposition fields
135 of the breakpoint structure (respectively) into something gdbtk understands.
136 They are also used in gdbtk-hooks.c */
137
138char *bptypes[] = {"breakpoint", "hardware breakpoint", "until",
139 "finish", "watchpoint", "hardware watchpoint",
140 "read watchpoint", "access watchpoint",
141 "longjmp", "longjmp resume", "step resume",
142 "through sigtramp", "watchpoint scope",
143 "call dummy" };
144char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"};
145
ca4e7e14
JI		 146/*
147 * These are routines we need from breakpoint.c.
148 * at some point make these static in breakpoint.c and move GUI code there
149 */
150
151extern struct breakpoint *set_raw_breakpoint (struct symtab_and_line sal);
152extern void set_breakpoint_count (int);
153extern int breakpoint_count;
154
2aae6397
JI		 155/* This variable determines where memory used for disassembly is read from.
156 * See note in gdbtk.h for details.
157 */
158int disassemble_from_exec = -1;
159
ca4e7e14
JI		 160
161/*
3d64f1e0 162 * Declarations for routines exported from this file
ca4e7e14
JI		 163 */
164
165int Gdbtk_Init (Tcl_Interp *interp);
3d64f1e0
KS		 166
167/*
168 * Declarations for routines used only in this file.
169 */
170
ca4e7e14
JI		 171static int compare_lines PARAMS ((const PTR, const PTR));
172static int comp_files PARAMS ((const void *, const void *));
173static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
174static int gdb_actions_command PARAMS ((ClientData, Tcl_Interp *, int,
175 Tcl_Obj *CONST objv[]));
176static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
177static int gdb_clear_file PARAMS ((ClientData, Tcl_Interp *interp, int, Tcl_Obj *CONST []));
178static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
179static int gdb_confirm_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
180static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int,
181 Tcl_Obj *CONST []));
182static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
183static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
184static int gdb_find_file_command PARAMS ((ClientData, Tcl_Interp *, int,
185 Tcl_Obj *CONST objv[]));
186static int gdb_force_quit PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
187static struct symtab *full_lookup_symtab PARAMS ((char *file));
188static int gdb_get_args_command PARAMS ((ClientData, Tcl_Interp *, int,
189 Tcl_Obj *CONST objv[]));
190static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
191static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
192static int gdb_get_file_command PARAMS ((ClientData, Tcl_Interp *, int,
193 Tcl_Obj *CONST objv[]));
194static int gdb_get_function_command PARAMS ((ClientData, Tcl_Interp *, int,
195 Tcl_Obj *CONST objv[]));
196static int gdb_get_line_command PARAMS ((ClientData, Tcl_Interp *, int,
197 Tcl_Obj *CONST objv[]));
198static int gdb_get_locals_command PARAMS ((ClientData, Tcl_Interp *, int,
199 Tcl_Obj *CONST objv[]));
200static int gdb_get_mem PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
201static int gdb_get_trace_frame_num PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
202static int gdb_get_tracepoint_list PARAMS ((ClientData, Tcl_Interp *, int,
203 Tcl_Obj *CONST objv[]));
204static int gdb_get_vars_command PARAMS ((ClientData, Tcl_Interp *, int,
205 Tcl_Obj *CONST objv[]));
206static int gdb_immediate_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
207static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
208static int gdb_listfuncs PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
209static int gdb_loadfile PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
210static int gdb_load_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
211static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
212static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
213static int gdb_prompt_command PARAMS ((ClientData, Tcl_Interp *, int,
214 Tcl_Obj *CONST objv[]));
215static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
216static int gdb_search PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST
217 objv[]));
218static int gdb_set_bp PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
23e1f78b 219static int gdb_set_bp_addr PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
d84563bc
MH		 220static int gdb_find_bp_at_line PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
221static int gdb_find_bp_at_addr PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[]));
ca4e7e14
JI		 222static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
223static int gdb_target_has_execution_command PARAMS ((ClientData, Tcl_Interp *,
224 int,
225 Tcl_Obj *CONST []));
226static int gdb_trace_status PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
227static int gdb_tracepoint_exists_command PARAMS ((ClientData, Tcl_Interp *,
228 int,
229 Tcl_Obj *CONST objv[]));
230static int gdb_get_tracepoint_info PARAMS ((ClientData, Tcl_Interp *, int,
231 Tcl_Obj *CONST objv[]));
ca4e7e14 232static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *));
ca4e7e14 233static int get_pc_register PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
3d64f1e0
KS		 234static int gdb_stack PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST []));
235
ca4e7e14
JI		 236char * get_prompt PARAMS ((void));
237static void get_register PARAMS ((int, void *));
238static void get_register_name PARAMS ((int, void *));
239static int map_arg_registers PARAMS ((int, Tcl_Obj *CONST [], void (*) (int, void *), void *));
ca4e7e14
JI		 240static int perror_with_name_wrapper PARAMS ((char *args));
241static void register_changed_p PARAMS ((int, void *));
242void TclDebug PARAMS ((const char *fmt, ...));
243static int wrapped_call (char *opaque_args);
3d64f1e0 244static void get_frame_name PARAMS ((Tcl_Interp *interp, Tcl_Obj *list, struct frame_info *fi));
ca4e7e14
JI		 245\f
246/* Gdbtk_Init
247 * This loads all the Tcl commands into the Tcl interpreter.
248 *
249 * Arguments:
250 * interp - The interpreter into which to load the commands.
251 *
252 * Result:
253 * A standard Tcl result.
254 */
255
256int
257Gdbtk_Init (interp)
258 Tcl_Interp *interp;
259{
260 Tcl_CreateObjCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL);
261 Tcl_CreateObjCommand (interp, "gdb_immediate", call_wrapper,
262 gdb_immediate_command, NULL);
263 Tcl_CreateObjCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL);
264 Tcl_CreateObjCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL);
265 Tcl_CreateObjCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, NULL);
266 Tcl_CreateObjCommand (interp, "gdb_listfuncs", call_wrapper, gdb_listfuncs,
267 NULL);
268 Tcl_CreateObjCommand (interp, "gdb_get_mem", call_wrapper, gdb_get_mem,
269 NULL);
270 Tcl_CreateObjCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL);
271 Tcl_CreateObjCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL);
272 Tcl_CreateObjCommand (interp, "gdb_fetch_registers", call_wrapper,
273 gdb_fetch_registers, NULL);
274 Tcl_CreateObjCommand (interp, "gdb_changed_register_list", call_wrapper,
275 gdb_changed_register_list, NULL);
276 Tcl_CreateObjCommand (interp, "gdb_disassemble", call_wrapper,
277 gdb_disassemble, NULL);
278 Tcl_CreateObjCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL);
279 Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_list", call_wrapper,
280 gdb_get_breakpoint_list, NULL);
281 Tcl_CreateObjCommand (interp, "gdb_get_breakpoint_info", call_wrapper,
282 gdb_get_breakpoint_info, NULL);
283 Tcl_CreateObjCommand (interp, "gdb_clear_file", call_wrapper,
284 gdb_clear_file, NULL);
285 Tcl_CreateObjCommand (interp, "gdb_confirm_quit", call_wrapper,
286 gdb_confirm_quit, NULL);
287 Tcl_CreateObjCommand (interp, "gdb_force_quit", call_wrapper,
288 gdb_force_quit, NULL);
289 Tcl_CreateObjCommand (interp, "gdb_target_has_execution",
290 call_wrapper,
291 gdb_target_has_execution_command, NULL);
292 Tcl_CreateObjCommand (interp, "gdb_is_tracing",
293 call_wrapper, gdb_trace_status,
294 NULL);
295 Tcl_CreateObjCommand (interp, "gdb_load_info", call_wrapper, gdb_load_info, NULL);
296 Tcl_CreateObjCommand (interp, "gdb_get_locals", call_wrapper, gdb_get_locals_command,
297 NULL);
298 Tcl_CreateObjCommand (interp, "gdb_get_args", call_wrapper, gdb_get_args_command,
299 NULL);
300 Tcl_CreateObjCommand (interp, "gdb_get_function", call_wrapper, gdb_get_function_command,
301 NULL);
302 Tcl_CreateObjCommand (interp, "gdb_get_line", call_wrapper, gdb_get_line_command,
303 NULL);
304 Tcl_CreateObjCommand (interp, "gdb_get_file", call_wrapper, gdb_get_file_command,
305 NULL);
306 Tcl_CreateObjCommand (interp, "gdb_tracepoint_exists",
307 call_wrapper, gdb_tracepoint_exists_command, NULL);
308 Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_info",
309 call_wrapper, gdb_get_tracepoint_info, NULL);
310 Tcl_CreateObjCommand (interp, "gdb_actions",
311 call_wrapper, gdb_actions_command, NULL);
312 Tcl_CreateObjCommand (interp, "gdb_prompt",
313 call_wrapper, gdb_prompt_command, NULL);
314 Tcl_CreateObjCommand (interp, "gdb_find_file",
315 call_wrapper, gdb_find_file_command, NULL);
316 Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_list",
317 call_wrapper, gdb_get_tracepoint_list, NULL);
318 Tcl_CreateObjCommand (interp, "gdb_pc_reg", call_wrapper, get_pc_register, NULL);
319 Tcl_CreateObjCommand (interp, "gdb_loadfile", call_wrapper, gdb_loadfile, NULL);
320 Tcl_CreateObjCommand (gdbtk_interp, "gdb_search", call_wrapper,
321 gdb_search, NULL);
322 Tcl_CreateObjCommand (interp, "gdb_set_bp", call_wrapper, gdb_set_bp, NULL);
23e1f78b 323 Tcl_CreateObjCommand (interp, "gdb_set_bp_addr", call_wrapper, gdb_set_bp_addr, NULL);
d84563bc
MH		 324 Tcl_CreateObjCommand (interp, "gdb_find_bp_at_line", call_wrapper, gdb_find_bp_at_line, NULL);
325 Tcl_CreateObjCommand (interp, "gdb_find_bp_at_addr", call_wrapper, gdb_find_bp_at_addr, NULL);
ca4e7e14
JI		 326 Tcl_CreateObjCommand (interp, "gdb_get_trace_frame_num",
327 call_wrapper, gdb_get_trace_frame_num, NULL);
3d64f1e0
KS		 328 Tcl_CreateObjCommand (interp, "gdb_stack", call_wrapper, gdb_stack, NULL);
329
4ff5d55a 330 Tcl_LinkVar (interp, "gdb_selected_frame_level",
3d64f1e0
KS		 331 (char *) &selected_frame_level,
332 TCL_LINK_INT | TCL_LINK_READ_ONLY);
ca4e7e14 333
4ff5d55a
MH		 334 /* gdb_context is used for debugging multiple threads or tasks */
335 Tcl_LinkVar (interp, "gdb_context_id",
336 (char *) &gdb_context,
337 TCL_LINK_INT | TCL_LINK_READ_ONLY);
2aae6397
JI		 338
339 /* Determine where to disassemble from */
340 Tcl_LinkVar (gdbtk_interp, "disassemble-from-exec", (char *) &disassemble_from_exec,
341 TCL_LINK_INT);
4ff5d55a 342
ca4e7e14
JI		 343 Tcl_PkgProvide(interp, "Gdbtk", GDBTK_VERSION);
344 return TCL_OK;
345}
346
347/* This routine acts as a top-level for all GDB code called by Tcl/Tk. It
348 handles cleanups, and uses catch_errors to trap calls to return_to_top_level
349 (usually via error).
350 This is necessary in order to prevent a longjmp out of the bowels of Tk,
351 possibly leaving things in a bad state. Since this routine can be called
352 recursively, it needs to save and restore the contents of the result_ptr as
353 necessary. */
354
355static int
356call_wrapper (clientData, interp, objc, objv)
357 ClientData clientData;
358 Tcl_Interp *interp;
359 int objc;
360 Tcl_Obj *CONST objv[];
361{
362 struct wrapped_call_args wrapped_args;
363 gdbtk_result new_result, *old_result_ptr;
ca4e7e14
JI		 364
365 old_result_ptr = result_ptr;
366 result_ptr = &new_result;
367 result_ptr->obj_ptr = Tcl_NewObj();
368 result_ptr->flags = GDBTK_TO_RESULT;
369
370 wrapped_args.func = (Tcl_ObjCmdProc *) clientData;
371 wrapped_args.interp = interp;
372 wrapped_args.objc = objc;
373 wrapped_args.objv = objv;
374 wrapped_args.val = TCL_OK;
375
376 if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL))
377 {
378
379 wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */
380
381 /* Make sure the timer interrupts are turned off. */
382
383 gdbtk_stop_timer ();
384
385 gdb_flush (gdb_stderr); /* Flush error output */
386 gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */
387
388 /* If we errored out here, and the results were going to the
389 console, then gdbtk_fputs will have gathered the result into the
390 result_ptr. We also need to echo them out to the console here */
391
392 gdb_flush (gdb_stderr); /* Flush error output */
393 gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */
394
395 /* In case of an error, we may need to force the GUI into idle
396 mode because gdbtk_call_command may have bombed out while in
397 the command routine. */
398
399 running_now = 0;
400 Tcl_Eval (interp, "gdbtk_tcl_idle");
401
402 }
403
404 /* do not suppress any errors -- a remote target could have errored */
405 load_in_progress = 0;
406
407 /*
408 * Now copy the result over to the true Tcl result. If GDBTK_TO_RESULT flag
409 * bit is set , this just copies a null object over to the Tcl result, which is
410 * fine because we should reset the result in this case anyway.
411 */
412 if (result_ptr->flags & GDBTK_IN_TCL_RESULT)
413 {
414 Tcl_DecrRefCount(result_ptr->obj_ptr);
415 }
416 else
417 {
418 Tcl_SetObjResult (interp, result_ptr->obj_ptr);
419 }
420
421 result_ptr = old_result_ptr;
422
423#ifdef _WIN32
424 close_bfds ();
425#endif
426
427 return wrapped_args.val;
428}
429
430/*
431 * This is the wrapper that is passed to catch_errors.
432 */
433
434static int
435wrapped_call (opaque_args)
436 char *opaque_args;
437{
438 struct wrapped_call_args *args = (struct wrapped_call_args *) opaque_args;
439 args->val = (*args->func) (args->func, args->interp, args->objc, args->objv);
440 return 1;
441}
442
443/* This is a convenience function to sprintf something(s) into a
444 * new element in a Tcl list object.
445 */
446
447static void
448#ifdef ANSI_PROTOTYPES
449sprintf_append_element_to_obj (Tcl_Obj *objp, char *format, ...)
450#else
451sprintf_append_element_to_obj (va_alist)
452 va_dcl
453#endif
454{
455 va_list args;
456 char buf[1024];
457
458#ifdef ANSI_PROTOTYPES
459 va_start (args, format);
460#else
461 Tcl_Obj *objp;
462 char *format;
463
464 va_start (args);
465 dsp = va_arg (args, Tcl_Obj *);
466 format = va_arg (args, char *);
467#endif
468
469 vsprintf (buf, format, args);
470
471 Tcl_ListObjAppendElement (NULL, objp, Tcl_NewStringObj (buf, -1));
472}
473\f
474/*
475 * This section contains the commands that control execution.
476 */
477
478/* This implements the tcl command gdb_clear_file.
479 *
480 * Prepare to accept a new executable file. This is called when we
481 * want to clear away everything we know about the old file, without
482 * asking the user. The Tcl code will have already asked the user if
483 * necessary. After this is called, we should be able to run the
484 * `file' command without getting any questions.
485 *
486 * Arguments:
487 * None
488 * Tcl Result:
489 * None
490 */
491
492static int
493gdb_clear_file (clientData, interp, objc, objv)
494 ClientData clientData;
495 Tcl_Interp *interp;
496 int objc;
497 Tcl_Obj *CONST objv[];
498{
499 if (objc != 1)
500 Tcl_SetStringObj (result_ptr->obj_ptr,
501 "Wrong number of args, none are allowed.", -1);
502
503 if (inferior_pid != 0 && target_has_execution)
504 {
505 if (attach_flag)
4af2d83a 506 target_detach (NULL, 0);
ca4e7e14 507 else
4af2d83a 508 target_kill ();
ca4e7e14
JI		 509 }
510
511 if (target_has_execution)
512 pop_target ();
513
514 symbol_file_command (NULL, 0);
515
516 /* gdb_loc refers to stop_pc, but nothing seems to clear it, so we
517 clear it here. FIXME: This seems like an abstraction violation
518 somewhere. */
519 stop_pc = 0;
520
521 return TCL_OK;
522}
523
524/* This implements the tcl command gdb_confirm_quit
525 * Ask the user to confirm an exit request.
526 *
527 * Arguments:
528 * None
529 * Tcl Result:
530 * A boolean, 1 if the user answered yes, 0 if no.
531 */
532
533static int
534gdb_confirm_quit (clientData, interp, objc, objv)
535 ClientData clientData;
536 Tcl_Interp *interp;
537 int objc;
538 Tcl_Obj *CONST objv[];
539{
540 int ret;
541
542 if (objc != 1)
543 {
544 Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1);
545 return TCL_ERROR;
546 }
547
548 ret = quit_confirm ();
549 Tcl_SetBooleanObj (result_ptr->obj_ptr, ret);
550 return TCL_OK;
551}
552
553/* This implements the tcl command gdb_force_quit
554 * Quit without asking for confirmation.
555 *
556 * Arguments:
557 * None
558 * Tcl Result:
559 * None
560 */
561
562static int
563gdb_force_quit (clientData, interp, objc, objv)
564 ClientData clientData;
565 Tcl_Interp *interp;
566 int objc;
567 Tcl_Obj *CONST objv[];
568{
569 if (objc != 1)
570 {
571 Tcl_SetStringObj (result_ptr->obj_ptr, "Wrong number of args, should be none.", -1);
572 return TCL_ERROR;
573 }
574
575 quit_force ((char *) NULL, 1);
576 return TCL_OK;
577}
578
579/* This implements the tcl command gdb_stop
580 * It stops the target in a continuable fashion.
581 *
582 * Arguments:
583 * None
584 * Tcl Result:
585 * None
586 */
587
588static int
589gdb_stop (clientData, interp, objc, objv)
590 ClientData clientData;
591 Tcl_Interp *interp;
592 int objc;
593 Tcl_Obj *CONST objv[];
594{
2c04e0d9 595 if (target_stop != target_ignore)
ca4e7e14 596 target_stop ();
ca4e7e14
JI		 597 else
598 quit_flag = 1; /* hope something sees this */
599
600 return TCL_OK;
601}
602
603\f
604/*
605 * This section contains Tcl commands that are wrappers for invoking
606 * the GDB command interpreter.
607 */
608
609
610/* This implements the tcl command `gdb_eval'.
611 * It uses the gdb evaluator to return the value of
612 * an expression in the current language
613 *
614 * Tcl Arguments:
615 * expression - the expression to evaluate.
616 * Tcl Result:
617 * The result of the evaluation.
618 */
619
620static int
621gdb_eval (clientData, interp, objc, objv)
622 ClientData clientData;
623 Tcl_Interp *interp;
624 int objc;
625 Tcl_Obj *CONST objv[];
626{
627 struct expression *expr;
6f5af15b 628 struct cleanup *old_chain=NULL;
ca4e7e14
JI		 629 value_ptr val;
630
631 if (objc != 2)
632 {
633 Tcl_SetStringObj (result_ptr->obj_ptr,
634 "wrong # args, should be \"gdb_eval expression\"", -1);
635 return TCL_ERROR;
636 }
637
638 expr = parse_expression (Tcl_GetStringFromObj (objv[1], NULL));
639
ad3b8c4a 640 old_chain = make_cleanup ((make_cleanup_func) free_current_contents, &expr);
ca4e7e14
JI		 641
642 val = evaluate_expression (expr);
643
644 /*
645 * Print the result of the expression evaluation. This will go to
646 * eventually go to gdbtk_fputs, and from there be collected into
647 * the Tcl result.
648 */
649
650 val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val),
651 gdb_stdout, 0, 0, 0, 0);
652
653 do_cleanups (old_chain);
654
655 return TCL_OK;
656}
657
658/* This implements the tcl command "gdb_cmd".
659 *
660 * It sends its argument to the GDB command scanner for execution.
661 * This command will never cause the update, idle and busy hooks to be called
662 * within the GUI.
663 *
664 * Tcl Arguments:
665 * command - The GDB command to execute
666 * Tcl Result:
667 * The output from the gdb command (except for the "load" & "while"
668 * which dump their output to the console.
669 */
670
671static int
672gdb_cmd (clientData, interp, objc, objv)
673 ClientData clientData;
674 Tcl_Interp *interp;
675 int objc;
676 Tcl_Obj *CONST objv[];
677{
2aae6397
JI		 678 int from_tty = 0;
679
ca4e7e14
JI		 680 if (objc < 2)
681 {
682 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
683 return TCL_ERROR;
684 }
685
2aae6397
JI		 686 if (objc == 3)
687 {
688 if (Tcl_GetBooleanFromObj (NULL, objv[2], &from_tty) != TCL_OK) {
689 Tcl_SetStringObj (result_ptr->obj_ptr, "from_tty must be a boolean.",
690 -1);
691 return TCL_ERROR;
692 }
693 }
694
ca4e7e14
JI		 695 if (running_now || load_in_progress)
696 return TCL_OK;
697
698 No_Update = 1;
699
700 /* for the load instruction (and possibly others later) we
701 set turn off the GDBTK_TO_RESULT flag bit so gdbtk_fputs()
702 will not buffer all the data until the command is finished. */
703
b2a9dbf7 704 if ((strncmp ("load ", Tcl_GetStringFromObj (objv[1], NULL), 5) == 0))
ca4e7e14
JI		 705 {
706 result_ptr->flags &= ~GDBTK_TO_RESULT;
707 load_in_progress = 1;
ca4e7e14
JI		 708 }
709
2aae6397 710 execute_command (Tcl_GetStringFromObj (objv[1], NULL), from_tty);
ca4e7e14
JI		 711
712 if (load_in_progress)
713 {
ca4e7e14
JI		 714 load_in_progress = 0;
715 result_ptr->flags |= GDBTK_TO_RESULT;
716 }
717
718 bpstat_do_actions (&stop_bpstat);
719
720 return TCL_OK;
721}
722
723/*
724 * This implements the tcl command "gdb_immediate"
725 *
726 * It does exactly the same thing as gdb_cmd, except NONE of its outut
727 * is buffered. This will also ALWAYS cause the busy, update, and idle hooks to
728 * be called, contrasted with gdb_cmd, which NEVER calls them.
729 * It turns off the GDBTK_TO_RESULT flag, which diverts the result
730 * to the console window.
731 *
732 * Tcl Arguments:
733 * command - The GDB command to execute
734 * Tcl Result:
735 * None.
736 */
737
738static int
739gdb_immediate_command (clientData, interp, objc, objv)
740 ClientData clientData;
741 Tcl_Interp *interp;
742 int objc;
743 Tcl_Obj *CONST objv[];
744{
745
746 if (objc != 2)
747 {
748 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
749 return TCL_ERROR;
750 }
751
752 if (running_now || load_in_progress)
753 return TCL_OK;
754
755 No_Update = 0;
756
757 result_ptr->flags &= ~GDBTK_TO_RESULT;
758
759 execute_command (Tcl_GetStringFromObj (objv[1], NULL), 1);
760
761 bpstat_do_actions (&stop_bpstat);
762
763 result_ptr->flags |= GDBTK_TO_RESULT;
764
765 return TCL_OK;
766}
767
768/* This implements the tcl command "gdb_prompt"
769 *
770 * It returns the gdb interpreter's prompt.
771 *
772 * Tcl Arguments:
773 * None.
774 * Tcl Result:
775 * The prompt.
776 */
777
778static int
779gdb_prompt_command (clientData, interp, objc, objv)
780 ClientData clientData;
781 Tcl_Interp *interp;
782 int objc;
783 Tcl_Obj *CONST objv[];
784{
785 Tcl_SetStringObj (result_ptr->obj_ptr, get_prompt (), -1);
786 return TCL_OK;
787}
788
789\f
790/*
791 * This section contains general informational commands.
792 */
793
794/* This implements the tcl command "gdb_target_has_execution"
795 *
796 * Tells whether the target is executing.
797 *
798 * Tcl Arguments:
799 * None
800 * Tcl Result:
801 * A boolean indicating whether the target is executing.
802 */
803
804static int
805gdb_target_has_execution_command (clientData, interp, objc, objv)
806 ClientData clientData;
807 Tcl_Interp *interp;
808 int objc;
809 Tcl_Obj *CONST objv[];
810{
811 int result = 0;
812
813 if (target_has_execution && inferior_pid != 0)
814 result = 1;
815
816 Tcl_SetBooleanObj (result_ptr->obj_ptr, result);
817 return TCL_OK;
818}
819
820/* This implements the tcl command "gdb_load_info"
821 *
822 * It returns information about the file about to be downloaded.
823 *
824 * Tcl Arguments:
825 * filename: The file to open & get the info on.
826 * Tcl Result:
827 * A list consisting of the name and size of each section.
828 */
829
830static int
831gdb_load_info (clientData, interp, objc, objv)
832 ClientData clientData;
833 Tcl_Interp *interp;
834 int objc;
835 Tcl_Obj *CONST objv[];
836{
837 bfd *loadfile_bfd;
838 struct cleanup *old_cleanups;
839 asection *s;
840 Tcl_Obj *ob[2];
ca4e7e14
JI		 841
842 char *filename = Tcl_GetStringFromObj (objv[1], NULL);
843
844 loadfile_bfd = bfd_openr (filename, gnutarget);
845 if (loadfile_bfd == NULL)
846 {
847 Tcl_SetStringObj (result_ptr->obj_ptr, "Open failed", -1);
848 return TCL_ERROR;
849 }
ad3b8c4a 850 old_cleanups = make_cleanup ((make_cleanup_func) bfd_close, loadfile_bfd);
ca4e7e14
JI		 851
852 if (!bfd_check_format (loadfile_bfd, bfd_object))
853 {
854 Tcl_SetStringObj (result_ptr->obj_ptr, "Bad Object File", -1);
855 return TCL_ERROR;
856 }
857
858 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
859
860 for (s = loadfile_bfd->sections; s; s = s->next)
861 {
862 if (s->flags & SEC_LOAD)
4af2d83a
KS		 863 {
864 bfd_size_type size = bfd_get_section_size_before_reloc (s);
865 if (size > 0)
866 {
867 ob[0] = Tcl_NewStringObj ((char *) bfd_get_section_name (loadfile_bfd, s), -1);
868 ob[1] = Tcl_NewLongObj ((long) size);
869 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewListObj (2, ob));
870 }
871 }
ca4e7e14
JI		 872 }
873
874 do_cleanups (old_cleanups);
875 return TCL_OK;
876}
877
878
879/* gdb_get_locals -
880 * This and gdb_get_locals just call gdb_get_vars_command with the right
881 * value of clientData. We can't use the client data in the definition
882 * of the command, because the call wrapper uses this instead...
883 */
884
885static int
886gdb_get_locals_command (clientData, interp, objc, objv)
887 ClientData clientData;
888 Tcl_Interp *interp;
889 int objc;
890 Tcl_Obj *CONST objv[];
891{
892
893 return gdb_get_vars_command((ClientData) 0, interp, objc, objv);
894
895}
896
897static int
898gdb_get_args_command (clientData, interp, objc, objv)
899 ClientData clientData;
900 Tcl_Interp *interp;
901 int objc;
902 Tcl_Obj *CONST objv[];
903{
904
905 return gdb_get_vars_command((ClientData) 1, interp, objc, objv);
906
907}
908
909/* This implements the tcl commands "gdb_get_locals" and "gdb_get_args"
910 *
911 * This function sets the Tcl interpreter's result to a list of variable names
912 * depending on clientData. If clientData is one, the result is a list of
913 * arguments; zero returns a list of locals -- all relative to the block
914 * specified as an argument to the command. Valid commands include
915 * anything decode_line_1 can handle (like "main.c:2", "*0x02020202",
916 * and "main").
917 *
918 * Tcl Arguments:
919 * block - the address within which to specify the locals or args.
920 * Tcl Result:
921 * A list of the locals or args
922 */
923
924static int
925gdb_get_vars_command (clientData, interp, objc, objv)
926 ClientData clientData;
927 Tcl_Interp *interp;
928 int objc;
929 Tcl_Obj *CONST objv[];
930{
931 struct symtabs_and_lines sals;
932 struct symbol *sym;
933 struct block *block;
934 char **canonical, *args;
935 int i, nsyms, arguments;
936
937 if (objc != 2)
938 {
939 Tcl_AppendStringsToObj (result_ptr->obj_ptr,
940 "wrong # of args: should be \"",
941 Tcl_GetStringFromObj (objv[0], NULL),
942 " function:line|function|line|*addr\"", NULL);
943 return TCL_ERROR;
944 }
945
946 arguments = (int) clientData;
947 args = Tcl_GetStringFromObj (objv[1], NULL);
948 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
949 if (sals.nelts == 0)
950 {
951 Tcl_SetStringObj (result_ptr->obj_ptr,
952 "error decoding line", -1);
953 return TCL_ERROR;
954 }
955
956 /* Initialize the result pointer to an empty list. */
957
958 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
959
960 /* Resolve all line numbers to PC's */
961 for (i = 0; i < sals.nelts; i++)
962 resolve_sal_pc (&sals.sals[i]);
963
964 block = block_for_pc (sals.sals[0].pc);
965 while (block != 0)
966 {
967 nsyms = BLOCK_NSYMS (block);
968 for (i = 0; i < nsyms; i++)
969 {
970 sym = BLOCK_SYM (block, i);
971 switch (SYMBOL_CLASS (sym)) {
972 default:
973 case LOC_UNDEF: /* catches errors */
974 case LOC_CONST: /* constant */
ca4e7e14
JI		 975 case LOC_TYPEDEF: /* local typedef */
976 case LOC_LABEL: /* local label */
977 case LOC_BLOCK: /* local function */
978 case LOC_CONST_BYTES: /* loc. byte seq. */
979 case LOC_UNRESOLVED: /* unresolved static */
980 case LOC_OPTIMIZED_OUT: /* optimized out */
981 break;
982 case LOC_ARG: /* argument */
983 case LOC_REF_ARG: /* reference arg */
984 case LOC_REGPARM: /* register arg */
985 case LOC_REGPARM_ADDR: /* indirect register arg */
986 case LOC_LOCAL_ARG: /* stack arg */
987 case LOC_BASEREG_ARG: /* basereg arg */
988 if (arguments)
989 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr,
990 Tcl_NewStringObj (SYMBOL_NAME (sym), -1));
991 break;
992 case LOC_LOCAL: /* stack local */
993 case LOC_BASEREG: /* basereg local */
4af2d83a
KS		 994 case LOC_STATIC: /* static */
995 case LOC_REGISTER: /* register */
ca4e7e14
JI		 996 if (!arguments)
997 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr,
998 Tcl_NewStringObj (SYMBOL_NAME (sym), -1));
999 break;
1000 }
1001 }
1002 if (BLOCK_FUNCTION (block))
1003 break;
1004 else
1005 block = BLOCK_SUPERBLOCK (block);
1006 }
1007
1008 return TCL_OK;
1009}
1010
1011/* This implements the tcl command "gdb_get_line"
1012 *
1013 * It returns the linenumber for a given linespec. It will take any spec
1014 * that can be passed to decode_line_1
1015 *
1016 * Tcl Arguments:
1017 * linespec - the line specification
1018 * Tcl Result:
1019 * The line number for that spec.
1020 */
1021static int
1022gdb_get_line_command (clientData, interp, objc, objv)
1023 ClientData clientData;
1024 Tcl_Interp *interp;
1025 int objc;
1026 Tcl_Obj *CONST objv[];
1027{
ca4e7e14
JI		 1028 struct symtabs_and_lines sals;
1029 char *args, **canonical;
1030
1031 if (objc != 2)
1032 {
1033 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1034 Tcl_GetStringFromObj (objv[0], NULL),
1035 " linespec\"", NULL);
1036 return TCL_ERROR;
1037 }
1038
1039 args = Tcl_GetStringFromObj (objv[1], NULL);
1040 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
1041 if (sals.nelts == 1)
1042 {
1043 Tcl_SetIntObj (result_ptr->obj_ptr, sals.sals[0].line);
1044 return TCL_OK;
1045 }
1046
1047 Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1);
1048 return TCL_OK;
1049
1050}
1051
1052/* This implements the tcl command "gdb_get_file"
1053 *
1054 * It returns the file containing a given line spec.
1055 *
1056 * Tcl Arguments:
1057 * linespec - The linespec to look up
1058 * Tcl Result:
1059 * The file containing it.
1060 */
1061
1062static int
1063gdb_get_file_command (clientData, interp, objc, objv)
1064 ClientData clientData;
1065 Tcl_Interp *interp;
1066 int objc;
1067 Tcl_Obj *CONST objv[];
1068{
ca4e7e14
JI		 1069 struct symtabs_and_lines sals;
1070 char *args, **canonical;
1071
1072 if (objc != 2)
1073 {
1074 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1075 Tcl_GetStringFromObj (objv[0], NULL),
1076 " linespec\"", NULL);
1077 return TCL_ERROR;
1078 }
1079
1080 args = Tcl_GetStringFromObj (objv[1], NULL);
1081 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
1082 if (sals.nelts == 1)
1083 {
1084 Tcl_SetStringObj (result_ptr->obj_ptr, sals.sals[0].symtab->filename, -1);
1085 return TCL_OK;
1086 }
1087
1088 Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1);
1089 return TCL_OK;
1090}
1091
1092/* This implements the tcl command "gdb_get_function"
1093 *
1094 * It finds the function containing the given line spec.
1095 *
1096 * Tcl Arguments:
1097 * linespec - The line specification
1098 * Tcl Result:
1099 * The function that contains it, or "N/A" if it is not in a function.
1100 */
1101static int
1102gdb_get_function_command (clientData, interp, objc, objv)
1103 ClientData clientData;
1104 Tcl_Interp *interp;
1105 int objc;
1106 Tcl_Obj *CONST objv[];
1107{
1108 char *function;
1109 struct symtabs_and_lines sals;
1110 char *args, **canonical;
1111
1112 if (objc != 2)
1113 {
1114 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1115 Tcl_GetStringFromObj (objv[0], NULL),
1116 " linespec\"", NULL);
1117 return TCL_ERROR;
1118 }
1119
1120 args = Tcl_GetStringFromObj (objv[1], NULL);
1121 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
1122 if (sals.nelts == 1)
1123 {
1124 resolve_sal_pc (&sals.sals[0]);
1125 find_pc_partial_function (sals.sals[0].pc, &function, NULL, NULL);
1126 if (function != NULL)
1127 {
1128 Tcl_SetStringObj (result_ptr->obj_ptr, function, -1);
1129 return TCL_OK;
1130 }
1131 }
1132
1133 Tcl_SetStringObj (result_ptr->obj_ptr, "N/A", -1);
1134 return TCL_OK;
1135}
1136
1137/* This implements the tcl command "gdb_find_file"
1138 *
1139 * It searches the symbol tables to get the full pathname to a file.
1140 *
1141 * Tcl Arguments:
1142 * filename: the file name to search for.
1143 * Tcl Result:
1144 * The full path to the file, or an empty string if the file is not
1145 * found.
1146 */
1147
1148static int
1149gdb_find_file_command (clientData, interp, objc, objv)
1150 ClientData clientData;
1151 Tcl_Interp *interp;
1152 int objc;
1153 Tcl_Obj *CONST objv[];
1154{
1155 char *filename = NULL;
1156 struct symtab *st;
1157
1158 if (objc != 2)
1159 {
1160 Tcl_WrongNumArgs(interp, 1, objv, "filename");
1161 return TCL_ERROR;
1162 }
1163
1164 st = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL));
1165 if (st)
1166 filename = st->fullname;
1167
1168 if (filename == NULL)
1169 Tcl_SetStringObj (result_ptr->obj_ptr, "", 0);
1170 else
1171 Tcl_SetStringObj (result_ptr->obj_ptr, filename, -1);
1172
1173 return TCL_OK;
1174}
1175
1176/* This implements the tcl command "gdb_listfiles"
1177 *
1178 * This lists all the files in the current executible.
1179 *
9c56157f
MH		 1180 * Note that this currently pulls in all sorts of filenames
1181 * that aren't really part of the executable. It would be
1182 * best if we could check each file to see if it actually
1183 * contains executable lines of code, but we can't do that
1184 * with psymtabs.
1185 *
ca4e7e14
JI		 1186 * Arguments:
1187 * ?pathname? - If provided, only files which match pathname
9c56157f
MH		 1188 * (up to strlen(pathname)) are included. THIS DOES NOT
1189 * CURRENTLY WORK BECAUSE PARTIAL_SYMTABS DON'T SUPPLY
1190 * THE FULL PATHNAME!!!
1191 *
ca4e7e14
JI		 1192 * Tcl Result:
1193 * A list of all matching files.
1194 */
ca4e7e14
JI		 1195static int
1196gdb_listfiles (clientData, interp, objc, objv)
1197 ClientData clientData;
1198 Tcl_Interp *interp;
1199 int objc;
1200 Tcl_Obj *CONST objv[];
1201{
1202 struct objfile *objfile;
1203 struct partial_symtab *psymtab;
1204 struct symtab *symtab;
6f5af15b 1205 char *lastfile, *pathname=NULL, **files;
ca4e7e14
JI		 1206 int files_size;
1207 int i, numfiles = 0, len = 0;
ca4e7e14
JI		 1208
1209 files_size = 1000;
1210 files = (char **) xmalloc (sizeof (char *) * files_size);
6f5af15b 1211
ca4e7e14
JI		 1212 if (objc > 2)
1213 {
1214 Tcl_WrongNumArgs (interp, 1, objv, "Usage: gdb_listfiles ?pathname?");
1215 return TCL_ERROR;
1216 }
1217 else if (objc == 2)
1218 pathname = Tcl_GetStringFromObj (objv[1], &len);
1219
1220 ALL_PSYMTABS (objfile, psymtab)
1221 {
1222 if (numfiles == files_size)
1223 {
4af2d83a
KS		 1224 files_size = files_size * 2;
1225 files = (char **) xrealloc (files, sizeof (char *) * files_size);
ca4e7e14 1226 }
9c56157f 1227 if (psymtab->filename)
4af2d83a
KS		 1228 {
1229 if (!len || !strncmp(pathname, psymtab->filename,len)
1230 || !strcmp(psymtab->filename, basename(psymtab->filename)))
1231 {
1232 files[numfiles++] = basename(psymtab->filename);
1233 }
1234 }
ca4e7e14
JI		 1235 }
1236
1237 ALL_SYMTABS (objfile, symtab)
1238 {
1239 if (numfiles == files_size)
1240 {
4af2d83a
KS		 1241 files_size = files_size * 2;
1242 files = (char **) xrealloc (files, sizeof (char *) * files_size);
ca4e7e14 1243 }
9c56157f 1244 if (symtab->filename && symtab->linetable && symtab->linetable->nitems)
4af2d83a
KS		 1245 {
1246 if (!len || !strncmp(pathname, symtab->filename,len)
1247 || !strcmp(symtab->filename, basename(symtab->filename)))
1248 {
1249 files[numfiles++] = basename(symtab->filename);
1250 }
1251 }
ca4e7e14
JI		 1252 }
1253
1254 qsort (files, numfiles, sizeof(char *), comp_files);
1255
1256 lastfile = "";
1257
1258 /* Discard the old result pointer, in case it has accumulated anything
1259 and set it to a new list object */
1260
1261 Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL);
1262
1263 for (i = 0; i < numfiles; i++)
1264 {
1265 if (strcmp(files[i],lastfile))
4af2d83a 1266 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj(files[i], -1));
ca4e7e14
JI		 1267 lastfile = files[i];
1268 }
1269
1270 free (files);
1271 return TCL_OK;
1272}
1273
1274static int
1275comp_files (file1, file2)
1276 const void *file1, *file2;
1277{
1278 return strcmp(* (char **) file1, * (char **) file2);
1279}
1280
1281
1282/* This implements the tcl command "gdb_search"
1283 *
1284 *
1285 * Tcl Arguments:
1286 * option - One of "functions", "variables" or "types"
1287 * regexp - The regular expression to look for.
1288 * Then, optionally:
1289 * -files fileList
1290 * -static 1/0
1291 * Tcl Result:
1292 *
1293 */
1294
1295static int
1296gdb_search (clientData, interp, objc, objv)
1297 ClientData clientData;
1298 Tcl_Interp *interp;
1299 int objc;
1300 Tcl_Obj *CONST objv[];
1301{
850e1491 1302 struct symbol_search *ss = NULL;
ca4e7e14 1303 struct symbol_search *p;
6f5af15b
MH		 1304 struct cleanup *old_chain = NULL;
1305 Tcl_Obj *CONST *switch_objv;
ca4e7e14 1306 int index, switch_objc, i;
6f5af15b
MH		 1307 namespace_enum space = 0;
1308 char *regexp;
ca4e7e14
JI		 1309 int static_only, nfiles;
1310 Tcl_Obj **file_list;
1311 char **files;
1312 static char *search_options[] = { "functions", "variables", "types", (char *) NULL };
850e1491 1313 static char *switches[] = { "-files", "-static", (char *) NULL };
ca4e7e14
JI		 1314 enum search_opts { SEARCH_FUNCTIONS, SEARCH_VARIABLES, SEARCH_TYPES };
1315 enum switches_opts { SWITCH_FILES, SWITCH_STATIC_ONLY };
1316
1317 if (objc < 3)
1318 {
1319 Tcl_WrongNumArgs (interp, 1, objv, "option regexp ?arg ...?");
850e1491 1320 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
ca4e7e14
JI		 1321 return TCL_ERROR;
1322 }
1323
1324 if (Tcl_GetIndexFromObj (interp, objv[1], search_options, "option", 0,
1325 &index) != TCL_OK)
850e1491
KS		 1326 {
1327 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1328 return TCL_ERROR;
1329 }
ca4e7e14
JI		 1330
1331 /* Unfortunately, we cannot teach search_symbols to search on
1332 multiple regexps, so we have to do a two-tier search for
1333 any searches which choose to narrow the playing field. */
1334 switch ((enum search_opts) index)
1335 {
1336 case SEARCH_FUNCTIONS:
1337 space = FUNCTIONS_NAMESPACE; break;
1338 case SEARCH_VARIABLES:
1339 space = VARIABLES_NAMESPACE; break;
1340 case SEARCH_TYPES:
1341 space = TYPES_NAMESPACE; break;
1342 }
1343
1344 regexp = Tcl_GetStringFromObj (objv[2], NULL);
1345 /* Process any switches that refine the search */
1346 switch_objc = objc - 3;
1347 switch_objv = objv + 3;
1348
1349 static_only = 0;
1350 nfiles = 0;
1351 files = (char **) NULL;
1352 while (switch_objc > 0)
1353 {
1354 if (Tcl_GetIndexFromObj (interp, switch_objv[0], switches,
1355 "option", 0, &index) != TCL_OK)
850e1491
KS		 1356 {
1357 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1358 return TCL_ERROR;
1359 }
ca4e7e14
JI		 1360
1361 switch ((enum switches_opts) index)
1362 {
1363 case SWITCH_FILES:
850e1491
KS		 1364 {
1365 int result;
1366 if (switch_objc < 2)
1367 {
1368 Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList -static 1|0]");
1369 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1370 return TCL_ERROR;
1371 }
1372 result = Tcl_ListObjGetElements (interp, switch_objv[1], &nfiles, &file_list);
1373 if (result != TCL_OK)
1374 return result;
1375
1376 files = (char **) xmalloc (nfiles * sizeof (char *));
1377 for (i = 0; i < nfiles; i++)
ca4e7e14 1378 files[i] = Tcl_GetStringFromObj (file_list[i], NULL);
850e1491
KS		 1379 switch_objc--;
1380 switch_objv++;
1381 }
ca4e7e14
JI		 1382 break;
1383 case SWITCH_STATIC_ONLY:
1384 if (switch_objc < 2)
1385 {
1386 Tcl_WrongNumArgs (interp, 2, objv, "[-files fileList] [-static 1|0]");
850e1491 1387 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
ca4e7e14
JI		 1388 return TCL_ERROR;
1389 }
1390 if ( Tcl_GetBooleanFromObj (interp, switch_objv[1], &static_only) !=
850e1491
KS		 1391 TCL_OK) {
1392 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1393 return TCL_ERROR;
1394 }
ca4e7e14
JI		 1395 switch_objc--;
1396 switch_objv++;
1397 }
ca4e7e14
JI		 1398 switch_objc--;
1399 switch_objv++;
1400 }
1401
1402 search_symbols (regexp, space, nfiles, files, &ss);
850e1491 1403 if (ss != NULL)
ad3b8c4a 1404 old_chain = make_cleanup ((make_cleanup_func) free_search_symbols, ss);
850e1491
KS		 1405
1406 Tcl_SetListObj(result_ptr->obj_ptr, 0, NULL);
1407
ca4e7e14
JI		 1408 for (p = ss; p != NULL; p = p->next)
1409 {
1410 Tcl_Obj *elem;
1411
1412 if (static_only && p->block != STATIC_BLOCK)
1413 continue;
1414
1415 elem = Tcl_NewListObj (0, NULL);
1416
1417 if (p->msymbol == NULL)
1418 Tcl_ListObjAppendElement (interp, elem,
1419 Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->symbol), -1));
1420 else
1421 Tcl_ListObjAppendElement (interp, elem,
1422 Tcl_NewStringObj (SYMBOL_SOURCE_NAME (p->msymbol), -1));
1423
1424 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, elem);
1425 }
1426
850e1491
KS		 1427 if (ss != NULL)
1428 do_cleanups (old_chain);
1429
ca4e7e14
JI		 1430 return TCL_OK;
1431}
1432
1433/* This implements the tcl command gdb_listfuncs
1434 *
1435 * It lists all the functions defined in a given file
1436 *
1437 * Arguments:
1438 * file - the file to look in
1439 * Tcl Result:
1440 * A list of two element lists, the first element is
1441 * the symbol name, and the second is a boolean indicating
1442 * whether the symbol is demangled (1 for yes).
1443 */
1444
1445static int
1446gdb_listfuncs (clientData, interp, objc, objv)
1447 ClientData clientData;
1448 Tcl_Interp *interp;
1449 int objc;
1450 Tcl_Obj *CONST objv[];
1451{
1452 struct symtab *symtab;
1453 struct blockvector *bv;
1454 struct block *b;
1455 struct symbol *sym;
ca4e7e14
JI		 1456 int i,j;
1457 Tcl_Obj *funcVals[2];
1458
1459 if (objc != 2)
1460 {
1461 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
1462 }
1463
1464 symtab = full_lookup_symtab (Tcl_GetStringFromObj (objv[1], NULL));
1465 if (!symtab)
1466 {
1467 Tcl_SetStringObj (result_ptr->obj_ptr, "No such file", -1);
1468 return TCL_ERROR;
1469 }
1470
1471 if (mangled == NULL)
1472 {
1473 mangled = Tcl_NewBooleanObj(1);
1474 not_mangled = Tcl_NewBooleanObj(0);
1475 Tcl_IncrRefCount(mangled);
1476 Tcl_IncrRefCount(not_mangled);
1477 }
1478
1479 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
1480
1481 bv = BLOCKVECTOR (symtab);
1482 for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++)
1483 {
1484 b = BLOCKVECTOR_BLOCK (bv, i);
1485 /* Skip the sort if this block is always sorted. */
1486 if (!BLOCK_SHOULD_SORT (b))
4af2d83a 1487 sort_block_syms (b);
ca4e7e14 1488 for (j = 0; j < BLOCK_NSYMS (b); j++)
4af2d83a
KS		 1489 {
1490 sym = BLOCK_SYM (b, j);
1491 if (SYMBOL_CLASS (sym) == LOC_BLOCK)
1492 {
ca4e7e14 1493
4af2d83a
KS		 1494 char *name = cplus_demangle (SYMBOL_NAME(sym), 0);
1495 if (name)
1496 {
1497 /* strip out "global constructors" and "global destructors" */
1498 /* because we aren't interested in them. */
1499 if (strncmp (name, "global ", 7))
1500 {
1501 funcVals[0] = Tcl_NewStringObj(name, -1);
1502 funcVals[1] = mangled;
1503 }
1504 else
1505 continue;
1506
1507 }
1508 else
1509 {
1510 funcVals[0] = Tcl_NewStringObj(SYMBOL_NAME(sym), -1);
1511 funcVals[1] = not_mangled;
1512 }
1513 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
1514 Tcl_NewListObj (2, funcVals));
1515 }
1516 }
ca4e7e14
JI		 1517 }
1518 return TCL_OK;
1519}
1520
1521\f
1522/*
1523 * This section contains all the commands that act on the registers:
1524 */
1525
1526/* This is a sort of mapcar function for operations on registers */
1527
1528static int
1529map_arg_registers (objc, objv, func, argp)
1530 int objc;
1531 Tcl_Obj *CONST objv[];
1532 void (*func) PARAMS ((int regnum, void *argp));
1533 void *argp;
1534{
1535 int regnum;
1536
1537 /* Note that the test for a valid register must include checking the
d70a61e7
AC		 1538 REGISTER_NAME because NUM_REGS may be allocated for the union of
1539 the register sets within a family of related processors. In this
1540 case, some entries of REGISTER_NAME will change depending upon
1541 the particular processor being debugged. */
ca4e7e14
JI		 1542
1543 if (objc == 0) /* No args, just do all the regs */
1544 {
1545 for (regnum = 0;
4af2d83a 1546 regnum < NUM_REGS
d70a61e7
AC		 1547 && REGISTER_NAME (regnum) != NULL
1548 && *REGISTER_NAME (regnum) != '\000';
4af2d83a
KS		 1549 regnum++)
1550 func (regnum, argp);
ca4e7e14
JI		 1551
1552 return TCL_OK;
1553 }
1554
1555 /* Else, list of register #s, just do listed regs */
1556 for (; objc > 0; objc--, objv++)
1557 {
4af2d83a
KS		 1558 if (Tcl_GetIntFromObj (NULL, *objv, &regnum) != TCL_OK)
1559 {
1560 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1561 return TCL_ERROR;
1562 }
ca4e7e14
JI		 1563
1564 if (regnum >= 0
4af2d83a 1565 && regnum < NUM_REGS
d70a61e7
AC		 1566 && REGISTER_NAME (regnum) != NULL
1567 && *REGISTER_NAME (regnum) != '\000')
4af2d83a 1568 func (regnum, argp);
ca4e7e14 1569 else
4af2d83a
KS		 1570 {
1571 Tcl_SetStringObj (result_ptr->obj_ptr, "bad register number", -1);
1572 return TCL_ERROR;
1573 }
ca4e7e14
JI		 1574 }
1575
1576 return TCL_OK;
1577}
1578
1579/* This implements the TCL command `gdb_regnames', which returns a list of
1580 all of the register names. */
1581
1582static int
1583gdb_regnames (clientData, interp, objc, objv)
1584 ClientData clientData;
1585 Tcl_Interp *interp;
1586 int objc;
1587 Tcl_Obj *CONST objv[];
1588{
1589 objc--;
1590 objv++;
1591
1592 return map_arg_registers (objc, objv, get_register_name, NULL);
1593}
1594
1595static void
1596get_register_name (regnum, argp)
1597 int regnum;
1598 void *argp; /* Ignored */
1599{
1600 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
d70a61e7 1601 Tcl_NewStringObj (REGISTER_NAME (regnum), -1));
ca4e7e14
JI		 1602}
1603
1604/* This implements the tcl command gdb_fetch_registers
1605 * Pass it a list of register names, and it will
1606 * return their values as a list.
1607 *
1608 * Tcl Arguments:
1609 * format: The format string for printing the values
1610 * args: the registers to look for
1611 * Tcl Result:
1612 * A list of their values.
1613 */
1614
1615static int
1616gdb_fetch_registers (clientData, interp, objc, objv)
1617 ClientData clientData;
1618 Tcl_Interp *interp;
1619 int objc;
1620 Tcl_Obj *CONST objv[];
1621{
1622 int format, result;
1623
1624 if (objc < 2)
1625 {
1626 Tcl_SetStringObj (result_ptr->obj_ptr,
4af2d83a 1627 "wrong # args, should be gdb_fetch_registers format ?register1 register2 ...?", -1);
ca4e7e14
JI		 1628 }
1629 objc -= 2;
1630 objv++;
1631 format = *(Tcl_GetStringFromObj(objv[0], NULL));
1632 objv++;
1633
1634
1635 result_ptr->flags |= GDBTK_MAKES_LIST; /* Output the results as a list */
1636 result = map_arg_registers (objc, objv, get_register, (void *) format);
1637 result_ptr->flags &= ~GDBTK_MAKES_LIST;
1638
1639 return result;
1640}
1641
1642static void
1643get_register (regnum, fp)
1644 int regnum;
1645 void *fp;
1646{
1647 char raw_buffer[MAX_REGISTER_RAW_SIZE];
1648 char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
1649 int format = (int)fp;
1650
1651 if (format == 'N')
1652 format = 0;
1653
1654 if (read_relative_register_raw_bytes (regnum, raw_buffer))
1655 {
1656 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
1657 Tcl_NewStringObj ("Optimized out", -1));
1658 return;
1659 }
1660
1661 /* Convert raw data to virtual format if necessary. */
1662
1663 if (REGISTER_CONVERTIBLE (regnum))
1664 {
1665 REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum),
4af2d83a 1666 raw_buffer, virtual_buffer);
ca4e7e14
JI		 1667 }
1668 else
1669 memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum));
1670
1671 if (format == 'r')
1672 {
1673 int j;
1674 printf_filtered ("0x");
1675 for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++)
4af2d83a
KS		 1676 {
1677 register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j
1678 : REGISTER_RAW_SIZE (regnum) - 1 - j;
1679 printf_filtered ("%02x", (unsigned char)raw_buffer[idx]);
1680 }
ca4e7e14
JI		 1681 }
1682 else
1683 val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0,
4af2d83a 1684 gdb_stdout, format, 1, 0, Val_pretty_default);
ca4e7e14
JI		 1685
1686}
1687
1688/* This implements the tcl command get_pc_reg
1689 * It returns the value of the PC register
1690 *
1691 * Tcl Arguments:
1692 * None
1693 * Tcl Result:
1694 * The value of the pc register.
1695 */
1696
1697static int
1698get_pc_register (clientData, interp, objc, objv)
1699 ClientData clientData;
1700 Tcl_Interp *interp;
1701 int objc;
1702 Tcl_Obj *CONST objv[];
1703{
1704 char buff[64];
1705
1706 sprintf (buff, "0x%llx",(long long) read_register (PC_REGNUM));
1707 Tcl_SetStringObj(result_ptr->obj_ptr, buff, -1);
1708 return TCL_OK;
1709}
1710
1711/* This implements the tcl command "gdb_changed_register_list"
1712 * It takes a list of registers, and returns a list of
1713 * the registers on that list that have changed since the last
1714 * time the proc was called.
1715 *
1716 * Tcl Arguments:
1717 * A list of registers.
1718 * Tcl Result:
1719 * A list of changed registers.
1720 */
1721
1722static int
1723gdb_changed_register_list (clientData, interp, objc, objv)
1724 ClientData clientData;
1725 Tcl_Interp *interp;
1726 int objc;
1727 Tcl_Obj *CONST objv[];
1728{
1729 objc--;
1730 objv++;
1731
1732 return map_arg_registers (objc, objv, register_changed_p, NULL);
1733}
1734
1735static void
1736register_changed_p (regnum, argp)
1737 int regnum;
1738 void *argp; /* Ignored */
1739{
1740 char raw_buffer[MAX_REGISTER_RAW_SIZE];
1741
1742 if (read_relative_register_raw_bytes (regnum, raw_buffer))
1743 return;
1744
1745 if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
4af2d83a 1746 REGISTER_RAW_SIZE (regnum)) == 0)
ca4e7e14
JI		 1747 return;
1748
1749 /* Found a changed register. Save new value and return its number. */
1750
1751 memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
4af2d83a 1752 REGISTER_RAW_SIZE (regnum));
ca4e7e14
JI		 1753
1754 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(regnum));
1755}
1756\f
1757/*
1758 * This section contains the commands that deal with tracepoints:
1759 */
1760
1761/* return a list of all tracepoint numbers in interpreter */
1762static int
1763gdb_get_tracepoint_list (clientData, interp, objc, objv)
1764 ClientData clientData;
1765 Tcl_Interp *interp;
1766 int objc;
1767 Tcl_Obj *CONST objv[];
1768{
1769 struct tracepoint *tp;
1770
1771 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
1772
1773 ALL_TRACEPOINTS (tp)
1774 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->number));
1775
1776 return TCL_OK;
1777}
1778
1779/* returns -1 if not found, tracepoint # if found */
1780int
1781tracepoint_exists (char * args)
1782{
1783 struct tracepoint *tp;
1784 char **canonical;
1785 struct symtabs_and_lines sals;
1786 char *file = NULL;
1787 int result = -1;
1788
1789 sals = decode_line_1 (&args, 1, NULL, 0, &canonical);
1790 if (sals.nelts == 1)
1791 {
1792 resolve_sal_pc (&sals.sals[0]);
1793 file = xmalloc (strlen (sals.sals[0].symtab->dirname)
1794 + strlen (sals.sals[0].symtab->filename) + 1);
1795 if (file != NULL)
1796 {
1797 strcpy (file, sals.sals[0].symtab->dirname);
1798 strcat (file, sals.sals[0].symtab->filename);
1799
1800 ALL_TRACEPOINTS (tp)
1801 {
1802 if (tp->address == sals.sals[0].pc)
1803 result = tp->number;
1804#if 0
1805 /* Why is this here? This messes up assembly traces */
1806 else if (tp->source_file != NULL
1807 && strcmp (tp->source_file, file) == 0
1808 && sals.sals[0].line == tp->line_number)
1809 result = tp->number;
1810#endif
1811 }
1812 }
1813 }
1814 if (file != NULL)
1815 free (file);
1816 return result;
1817}
1818
1819static int
1820gdb_tracepoint_exists_command (clientData, interp, objc, objv)
1821 ClientData clientData;
1822 Tcl_Interp *interp;
1823 int objc;
1824 Tcl_Obj *CONST objv[];
1825{
1826 char * args;
1827
1828 if (objc != 2)
1829 {
1830 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1831 Tcl_GetStringFromObj (objv[0], NULL),
1832 " function:line|function|line|*addr\"", NULL);
1833 return TCL_ERROR;
1834 }
1835
1836 args = Tcl_GetStringFromObj (objv[1], NULL);
1837
1838 Tcl_SetIntObj (result_ptr->obj_ptr, tracepoint_exists (args));
1839 return TCL_OK;
1840}
1841
1842static int
1843gdb_get_tracepoint_info (clientData, interp, objc, objv)
1844 ClientData clientData;
1845 Tcl_Interp *interp;
1846 int objc;
1847 Tcl_Obj *CONST objv[];
1848{
1849 struct symtab_and_line sal;
1850 int tpnum;
1851 struct tracepoint *tp;
1852 struct action_line *al;
1853 Tcl_Obj *action_list;
63d138d9 1854 char *filename, *funcname, *fname;
ca4e7e14
JI		 1855 char tmp[19];
1856
1857 if (objc != 2)
1858 {
1859 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
1860 return TCL_ERROR;
1861 }
1862
1863 if (Tcl_GetIntFromObj (NULL, objv[1], &tpnum) != TCL_OK)
1864 {
1865 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
1866 return TCL_ERROR;
1867 }
1868
1869 ALL_TRACEPOINTS (tp)
1870 if (tp->number == tpnum)
1871 break;
1872
1873 if (tp == NULL)
1874 {
63d138d9
JI		 1875 char buff[64];
1876 sprintf (buff, "Tracepoint #%d does not exist", tpnum);
1877 Tcl_SetStringObj (result_ptr->obj_ptr, buff, -1);
ca4e7e14
JI		 1878 return TCL_ERROR;
1879 }
1880
1881 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
1882 sal = find_pc_line (tp->address, 0);
1883 filename = symtab_to_filename (sal.symtab);
1884 if (filename == NULL)
1885 filename = "N/A";
1886 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr,
1887 Tcl_NewStringObj (filename, -1));
63d138d9 1888
ca4e7e14 1889 find_pc_partial_function (tp->address, &funcname, NULL, NULL);
63d138d9
JI		 1890 fname = cplus_demangle (funcname, 0);
1891 if (fname)
1892 {
1893 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj
1894 (fname, -1));
1895 free (fname);
1896 }
1897 else
1898 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj
1899 (funcname, -1));
1900
ca4e7e14
JI		 1901 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (sal.line));
1902 sprintf (tmp, "0x%lx", tp->address);
1903 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewStringObj (tmp, -1));
1904 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->enabled));
1905 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->pass_count));
1906 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->step_count));
1907 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->thread));
1908 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, Tcl_NewIntObj (tp->hit_count));
1909
1910 /* Append a list of actions */
1911 action_list = Tcl_NewObj ();
1912 for (al = tp->actions; al != NULL; al = al->next)
1913 {
1914 Tcl_ListObjAppendElement (interp, action_list,
1915 Tcl_NewStringObj (al->action, -1));
1916 }
1917 Tcl_ListObjAppendElement (interp, result_ptr->obj_ptr, action_list);
1918
1919 return TCL_OK;
1920}
1921
1922
1923static int
1924gdb_trace_status (clientData, interp, objc, objv)
1925 ClientData clientData;
1926 Tcl_Interp *interp;
1927 int objc;
1928 Tcl_Obj *CONST objv[];
1929{
1930 int result = 0;
1931
1932 if (trace_running_p)
1933 result = 1;
1934
1935 Tcl_SetIntObj (result_ptr->obj_ptr, result);
1936 return TCL_OK;
1937}
1938
1939
1940
1941static int
1942gdb_get_trace_frame_num (clientData, interp, objc, objv)
1943 ClientData clientData;
1944 Tcl_Interp *interp;
1945 int objc;
1946 Tcl_Obj *CONST objv[];
1947{
1948 if (objc != 1)
1949 {
1950 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # of args: should be \"",
1951 Tcl_GetStringFromObj (objv[0], NULL),
1952 " linespec\"", NULL);
1953 return TCL_ERROR;
1954 }
1955
1956 Tcl_SetIntObj (result_ptr->obj_ptr, get_traceframe_number ());
1957 return TCL_OK;
1958
1959}
1960
1961/* This implements the tcl command gdb_actions
1962 * It sets actions for a given tracepoint.
1963 *
1964 * Tcl Arguments:
1965 * number: the tracepoint in question
1966 * actions: the actions to add to this tracepoint
1967 * Tcl Result:
1968 * None.
1969 */
1970
1971static int
1972gdb_actions_command (clientData, interp, objc, objv)
1973 ClientData clientData;
1974 Tcl_Interp *interp;
1975 int objc;
1976 Tcl_Obj *CONST objv[];
1977{
1978 struct tracepoint *tp;
1979 Tcl_Obj **actions;
1980 int nactions, i, len;
1981 char *number, *args, *action;
1982 long step_count;
1983 struct action_line *next = NULL, *temp;
1984 enum actionline_type linetype;
1985
1986 if (objc != 3)
1987 {
1988 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "wrong # args: should be: \"",
1989 Tcl_GetStringFromObj (objv[0], NULL),
1990 " number actions\"", NULL);
1991 return TCL_ERROR;
1992 }
1993
1994 args = number = Tcl_GetStringFromObj (objv[1], NULL);
1995 tp = get_tracepoint_by_number (&args);
1996 if (tp == NULL)
1997 {
1998 Tcl_AppendStringsToObj (result_ptr->obj_ptr, "Tracepoint \"", number, "\" does not exist", NULL);
1999 return TCL_ERROR;
2000 }
2001
2002 /* Free any existing actions */
2003 if (tp->actions != NULL)
2004 free_actions (tp);
2005
2006 step_count = 0;
2007
2008 Tcl_ListObjGetElements (interp, objv[2], &nactions, &actions);
2009
2010 /* Add the actions to the tracepoint */
2011 for (i = 0; i < nactions; i++)
2012 {
2013 temp = xmalloc (sizeof (struct action_line));
2014 temp->next = NULL;
2015 action = Tcl_GetStringFromObj (actions[i], &len);
2016 temp->action = savestring (action, len);
2017
2018 linetype = validate_actionline (&(temp->action), tp);
2019
2020 if (linetype == BADLINE)
2021 {
2022 free (temp);
2023 continue;
2024 }
2025
2026 if (next == NULL)
2027 {
2028 tp->actions = temp;
2029 next = temp;
2030 }
2031 else
2032 {
2033 next->next = temp;
2034 next = temp;
2035 }
2036 }
2037
2038 return TCL_OK;
2039}
2040\f
2041/*
2042 * This section has commands that handle source disassembly.
2043 */
2044
2045/* This implements the tcl command gdb_disassemble
2046 *
2047 * Arguments:
2048 * source_with_assm - must be "source" or "nosource"
2049 * low_address - the address from which to start disassembly
2050 * ?hi_address? - the address to which to disassemble, defaults
2051 * to the end of the function containing low_address.
2052 * Tcl Result:
2053 * The disassembled code is passed to fputs_unfiltered, so it
2054 * either goes to the console if result_ptr->obj_ptr is NULL or to
2055 * the Tcl result.
2056 */
2057
2058static int
2059gdb_disassemble (clientData, interp, objc, objv)
2060 ClientData clientData;
2061 Tcl_Interp *interp;
2062 int objc;
2063 Tcl_Obj *CONST objv[];
2064{
2065 CORE_ADDR pc, low, high;
2066 int mixed_source_and_assembly;
2067 static disassemble_info di;
2068 static int di_initialized;
2069 char *arg_ptr;
2070
2071 if (objc != 3 && objc != 4)
2072 error ("wrong # args");
2073
2074 if (! di_initialized)
2075 {
2076 INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout,
4af2d83a 2077 (fprintf_ftype) fprintf_unfiltered);
ca4e7e14
JI		 2078 di.flavour = bfd_target_unknown_flavour;
2079 di.memory_error_func = dis_asm_memory_error;
2080 di.print_address_func = dis_asm_print_address;
2081 di_initialized = 1;
2082 }
2083
aaa3c096 2084 di.mach = TM_PRINT_INSN_INFO->mach;
ca4e7e14
JI		 2085 if (TARGET_BYTE_ORDER == BIG_ENDIAN)
2086 di.endian = BFD_ENDIAN_BIG;
2087 else
2088 di.endian = BFD_ENDIAN_LITTLE;
2089
2090 arg_ptr = Tcl_GetStringFromObj (objv[1], NULL);
2091 if (*arg_ptr == 's' && strcmp (arg_ptr, "source") == 0)
2092 mixed_source_and_assembly = 1;
2093 else if (*arg_ptr == 'n' && strcmp (arg_ptr, "nosource") == 0)
2094 mixed_source_and_assembly = 0;
2095 else
2096 error ("First arg must be 'source' or 'nosource'");
2097
2098 low = parse_and_eval_address (Tcl_GetStringFromObj (objv[2], NULL));
2099
2100 if (objc == 3)
2101 {
2102 if (find_pc_partial_function (low, NULL, &low, &high) == 0)
4af2d83a 2103 error ("No function contains specified address");
ca4e7e14
JI		 2104 }
2105 else
2106 high = parse_and_eval_address (Tcl_GetStringFromObj (objv[3], NULL));
2107
2108 /* If disassemble_from_exec == -1, then we use the following heuristic to
2109 determine whether or not to do disassembly from target memory or from the
2110 exec file:
2111
2112 If we're debugging a local process, read target memory, instead of the
2113 exec file. This makes disassembly of functions in shared libs work
2114 correctly.
2115
2116 Else, we're debugging a remote process, and should disassemble from the
2117 exec file for speed. However, this is no good if the target modifies its
2118 code (for relocation, or whatever).
2119 */
2120
2121 if (disassemble_from_exec == -1)
6f5af15b
MH		 2122 {
2123 if (strcmp (target_shortname, "child") == 0
4af2d83a
KS		 2124 || strcmp (target_shortname, "procfs") == 0
2125 || strcmp (target_shortname, "vxprocess") == 0)
2126 disassemble_from_exec = 0; /* It's a child process, read inferior mem */
6f5af15b 2127 else
4af2d83a 2128 disassemble_from_exec = 1; /* It's remote, read the exec file */
6f5af15b 2129 }
ca4e7e14
JI		 2130
2131 if (disassemble_from_exec)
2132 di.read_memory_func = gdbtk_dis_asm_read_memory;
2133 else
2134 di.read_memory_func = dis_asm_read_memory;
2135
2136 /* If just doing straight assembly, all we need to do is disassemble
2137 everything between low and high. If doing mixed source/assembly, we've
2138 got a totally different path to follow. */
2139
2140 if (mixed_source_and_assembly)
2141 { /* Come here for mixed source/assembly */
2142 /* The idea here is to present a source-O-centric view of a function to
4af2d83a
KS		 2143 the user. This means that things are presented in source order, with
2144 (possibly) out of order assembly immediately following. */
ca4e7e14
JI		 2145 struct symtab *symtab;
2146 struct linetable_entry *le;
2147 int nlines;
2148 int newlines;
2149 struct my_line_entry *mle;
2150 struct symtab_and_line sal;
2151 int i;
2152 int out_of_order;
2153 int next_line;
2154
2155 symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */
2156
d0757953 2157 if (!symtab || !symtab->linetable)
4af2d83a 2158 goto assembly_only;
ca4e7e14 2159
4af2d83a 2160 /* First, convert the linetable to a bunch of my_line_entry's. */
ca4e7e14
JI		 2161
2162 le = symtab->linetable->item;
2163 nlines = symtab->linetable->nitems;
2164
2165 if (nlines <= 0)
4af2d83a 2166 goto assembly_only;
ca4e7e14
JI		 2167
2168 mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry));
2169
2170 out_of_order = 0;
4af2d83a
KS		 2171
2172 /* Copy linetable entries for this function into our data structure, creating
2173 end_pc's and setting out_of_order as appropriate. */
ca4e7e14 2174
4af2d83a 2175 /* First, skip all the preceding functions. */
ca4e7e14
JI		 2176
2177 for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ;
2178
4af2d83a 2179 /* Now, copy all entries before the end of this function. */
ca4e7e14
JI		 2180
2181 newlines = 0;
2182 for (; i < nlines - 1 && le[i].pc < high; i++)
4af2d83a
KS		 2183 {
2184 if (le[i].line == le[i + 1].line
2185 && le[i].pc == le[i + 1].pc)
2186 continue; /* Ignore duplicates */
2187
2188 mle[newlines].line = le[i].line;
2189 if (le[i].line > le[i + 1].line)
2190 out_of_order = 1;
2191 mle[newlines].start_pc = le[i].pc;
2192 mle[newlines].end_pc = le[i + 1].pc;
2193 newlines++;
2194 }
2195
2196 /* If we're on the last line, and it's part of the function, then we need to
2197 get the end pc in a special way. */
ca4e7e14
JI		 2198
2199 if (i == nlines - 1
4af2d83a
KS		 2200 && le[i].pc < high)
2201 {
2202 mle[newlines].line = le[i].line;
2203 mle[newlines].start_pc = le[i].pc;
2204 sal = find_pc_line (le[i].pc, 0);
2205 mle[newlines].end_pc = sal.end;
2206 newlines++;
2207 }
ca4e7e14 2208
4af2d83a 2209 /* Now, sort mle by line #s (and, then by addresses within lines). */
ca4e7e14
JI		 2210
2211 if (out_of_order)
4af2d83a 2212 qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines);
ca4e7e14 2213
4af2d83a
KS		 2214 /* Now, for each line entry, emit the specified lines (unless they have been
2215 emitted before), followed by the assembly code for that line. */
ca4e7e14
JI		 2216
2217 next_line = 0; /* Force out first line */
2218 for (i = 0; i < newlines; i++)
4af2d83a
KS		 2219 {
2220 /* Print out everything from next_line to the current line. */
2221
2222 if (mle[i].line >= next_line)
2223 {
2224 if (next_line != 0)
2225 print_source_lines (symtab, next_line, mle[i].line + 1, 0);
2226 else
2227 print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0);
2228
2229 next_line = mle[i].line + 1;
2230 }
2231
2232 for (pc = mle[i].start_pc; pc < mle[i].end_pc; )
2233 {
2234 QUIT;
2235 fputs_unfiltered (" ", gdb_stdout);
2236 print_address (pc, gdb_stdout);
2237 fputs_unfiltered (":\t ", gdb_stdout);
2238 pc += (*tm_print_insn) (pc, &di);
2239 fputs_unfiltered ("\n", gdb_stdout);
2240 }
2241 }
ca4e7e14
JI		 2242 }
2243 else
2244 {
4af2d83a 2245 assembly_only:
ca4e7e14 2246 for (pc = low; pc < high; )
4af2d83a
KS		 2247 {
2248 QUIT;
2249 fputs_unfiltered (" ", gdb_stdout);
2250 print_address (pc, gdb_stdout);
2251 fputs_unfiltered (":\t ", gdb_stdout);
2252 pc += (*tm_print_insn) (pc, &di);
2253 fputs_unfiltered ("\n", gdb_stdout);
2254 }
ca4e7e14
JI		 2255 }
2256
2257 gdb_flush (gdb_stdout);
2258
2259 return TCL_OK;
2260}
2261
2262/* This is the memory_read_func for gdb_disassemble when we are
2263 disassembling from the exec file. */
2264
2265static int
2266gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info)
2267 bfd_vma memaddr;
2268 bfd_byte *myaddr;
2269 int len;
2270 disassemble_info *info;
2271{
2272 extern struct target_ops exec_ops;
2273 int res;
2274
2275 errno = 0;
2276 res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops);
2277
2278 if (res == len)
2279 return 0;
2280 else
2281 if (errno == 0)
2282 return EIO;
2283 else
2284 return errno;
2285}
2286
2287/* This will be passed to qsort to sort the results of the disassembly */
2288
2289static int
2290compare_lines (mle1p, mle2p)
2291 const PTR mle1p;
2292 const PTR mle2p;
2293{
2294 struct my_line_entry *mle1, *mle2;
2295 int val;
2296
2297 mle1 = (struct my_line_entry *) mle1p;
2298 mle2 = (struct my_line_entry *) mle2p;
2299
2300 val = mle1->line - mle2->line;
2301
2302 if (val != 0)
2303 return val;
2304
2305 return mle1->start_pc - mle2->start_pc;
2306}
2307
2308/* This implements the TCL command `gdb_loc',
2309 *
2310 * Arguments:
2311 * ?symbol? The symbol or address to locate - defaults to pc
2312 * Tcl Return:
2313 * a list consisting of the following:
2314 * basename, function name, filename, line number, address, current pc
2315 */
2316
2317static int
2318gdb_loc (clientData, interp, objc, objv)
2319 ClientData clientData;
2320 Tcl_Interp *interp;
2321 int objc;
2322 Tcl_Obj *CONST objv[];
2323{
2324 char *filename;
2325 struct symtab_and_line sal;
2326 char *funcname, *fname;
2327 CORE_ADDR pc;
2328
2329 if (!have_full_symbols () && !have_partial_symbols ())
2330 {
2331 Tcl_SetStringObj (result_ptr->obj_ptr, "No symbol table is loaded", -1);
2332 return TCL_ERROR;
2333 }
2334
2335 if (objc == 1)
2336 {
2337 if (selected_frame && (selected_frame->pc != stop_pc))
4af2d83a
KS		 2338 {
2339 /* Note - this next line is not correct on all architectures. */
2340 /* For a graphical debugger we really want to highlight the */
2341 /* assembly line that called the next function on the stack. */
2342 /* Many architectures have the next instruction saved as the */
2343 /* pc on the stack, so what happens is the next instruction is hughlighted. */
2344 /* FIXME */
2345 pc = selected_frame->pc;
2346 sal = find_pc_line (selected_frame->pc,
2347 selected_frame->next != NULL
2348 && !selected_frame->next->signal_handler_caller
2349 && !frame_in_dummy (selected_frame->next));
2350 }
ca4e7e14 2351 else
4af2d83a
KS		 2352 {
2353 pc = stop_pc;
2354 sal = find_pc_line (stop_pc, 0);
2355 }
ca4e7e14
JI		 2356 }
2357 else if (objc == 2)
2358 {
2359 struct symtabs_and_lines sals;
2360 int nelts;
2361
2362 sals = decode_line_spec (Tcl_GetStringFromObj (objv[1], NULL), 1);
2363
2364 nelts = sals.nelts;
2365 sal = sals.sals[0];
2366 free (sals.sals);
2367
2368 if (sals.nelts != 1)
4af2d83a
KS		 2369 {
2370 Tcl_SetStringObj (result_ptr->obj_ptr, "Ambiguous line spec", -1);
2371 return TCL_ERROR;
2372 }
ca4e7e14
JI		 2373 pc = sal.pc;
2374 }
2375 else
2376 {
2377 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong # args", -1);
2378 return TCL_ERROR;
2379 }
2380
2381 if (sal.symtab)
2382 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2383 Tcl_NewStringObj (sal.symtab->filename, -1));
2384 else
2385 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewStringObj ("", 0));
2386
2387 find_pc_partial_function (pc, &funcname, NULL, NULL);
2388 fname = cplus_demangle (funcname, 0);
2389 if (fname)
2390 {
2391 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2392 Tcl_NewStringObj (fname, -1));
2393 free (fname);
2394 }
2395 else
2396 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2397 Tcl_NewStringObj (funcname, -1));
2398
2399 filename = symtab_to_filename (sal.symtab);
2400 if (filename == NULL)
2401 filename = "";
2402
2403 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
2404 Tcl_NewStringObj (filename, -1));
2405 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj(sal.line)); /* line number */
2406 sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(pc)); /* PC in current frame */
2407 sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%s", paddr_nz(stop_pc)); /* Real PC */
2408 return TCL_OK;
2409}
2410
2411/* This implements the Tcl command 'gdb_get_mem', which
2412 * dumps a block of memory
2413 * Arguments:
2414 * gdb_get_mem addr form size num aschar
2415 *
2416 * addr: address of data to dump
2417 * form: a char indicating format
2418 * size: size of each element; 1,2,4, or 8 bytes
2419 * num: the number of bytes to read
2420 * acshar: an optional ascii character to use in ASCII dump
2421 *
2422 * Return:
2423 * a list of elements followed by an optional ASCII dump
2424 */
2425
2426static int
2427gdb_get_mem (clientData, interp, objc, objv)
2428 ClientData clientData;
2429 Tcl_Interp *interp;
2430 int objc;
2431 Tcl_Obj *CONST objv[];
2432{
2433 int size, asize, i, j, bc;
2434 CORE_ADDR addr;
2435 int nbytes, rnum, bpr;
2436 long tmp;
6f5af15b 2437 char format, c, buff[128], aschar, *mbuf, *mptr, *cptr, *bptr;
ca4e7e14
JI		 2438 struct type *val_type;
2439
2440 if (objc < 6 || objc > 7)
2441 {
2442 Tcl_SetStringObj (result_ptr->obj_ptr,
2443 "addr format size bytes bytes_per_row ?ascii_char?", -1);
2444 return TCL_ERROR;
2445 }
2446
2447 if (Tcl_GetIntFromObj (interp, objv[3], &size) != TCL_OK)
2448 {
2449 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
2450 return TCL_ERROR;
2451 }
2452 else if (size <= 0)
2453 {
2454 Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid size, must be > 0", -1);
2455 return TCL_ERROR;
2456 }
2457
2458 if (Tcl_GetIntFromObj (interp, objv[4], &nbytes) != TCL_OK)
2459 {
2460 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
2461 return TCL_ERROR;
2462 }
2463 else if (size <= 0)
2464 {
2465 Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid number of bytes, must be > 0",
2466 -1);
2467 return TCL_ERROR;
2468 }
2469
2470 if (Tcl_GetIntFromObj (interp, objv[5], &bpr) != TCL_OK)
2471 {
2472 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
2473 return TCL_ERROR;
2474 }
2475 else if (size <= 0)
2476 {
2477 Tcl_SetStringObj (result_ptr->obj_ptr, "Invalid bytes per row, must be > 0", -1);
2478 return TCL_ERROR;
2479 }
2480
2481 if (Tcl_GetLongFromObj (interp, objv[1], &tmp) != TCL_OK)
2482 return TCL_OK;
2483
2484 addr = (CORE_ADDR) tmp;
2485
2486 format = *(Tcl_GetStringFromObj (objv[2], NULL));
2487 mbuf = (char *)malloc (nbytes+32);
2488 if (!mbuf)
2489 {
2490 Tcl_SetStringObj (result_ptr->obj_ptr, "Out of memory.", -1);
2491 return TCL_ERROR;
2492 }
2493
2494 memset (mbuf, 0, nbytes+32);
2495 mptr = cptr = mbuf;
2496
2497 rnum = target_read_memory_partial (addr, mbuf, nbytes, NULL);
2498
2499 if (objc == 7)
2500 aschar = *(Tcl_GetStringFromObj(objv[6], NULL));
2501 else
2502 aschar = 0;
2503
2504 switch (size) {
2505 case 1:
2506 val_type = builtin_type_char;
2507 asize = 'b';
2508 break;
2509 case 2:
2510 val_type = builtin_type_short;
2511 asize = 'h';
2512 break;
2513 case 4:
2514 val_type = builtin_type_int;
2515 asize = 'w';
2516 break;
2517 case 8:
2518 val_type = builtin_type_long_long;
2519 asize = 'g';
2520 break;
2521 default:
2522 val_type = builtin_type_char;
2523 asize = 'b';
2524 }
2525
2526 bc = 0; /* count of bytes in a row */
2527 buff[0] = '"'; /* buffer for ascii dump */
2528 bptr = &buff[1]; /* pointer for ascii dump */
2529
2530 result_ptr->flags |= GDBTK_MAKES_LIST; /* Build up the result as a list... */
2531
2532 for (i=0; i < nbytes; i+= size)
2533 {
2534 if ( i >= rnum)
4af2d83a
KS		 2535 {
2536 fputs_unfiltered ("N/A ", gdb_stdout);
2537 if (aschar)
2538 for ( j = 0; j < size; j++)
2539 *bptr++ = 'X';
2540 }
ca4e7e14 2541 else
4af2d83a
KS		 2542 {
2543 print_scalar_formatted (mptr, val_type, format, asize, gdb_stdout);
2544
2545 if (aschar)
2546 {
2547 for ( j = 0; j < size; j++)
2548 {
2549 c = *cptr++;
2550 if (c < 32 || c > 126)
2551 c = aschar;
2552 if (c == '"')
2553 *bptr++ = '\\';
2554 *bptr++ = c;
2555 }
2556 }
2557 }
ca4e7e14
JI		 2558
2559 mptr += size;
2560 bc += size;
2561
2562 if (aschar && (bc >= bpr))
4af2d83a
KS		 2563 {
2564 /* end of row. print it and reset variables */
2565 bc = 0;
2566 *bptr++ = '"';
2567 *bptr++ = ' ';
2568 *bptr = 0;
2569 fputs_unfiltered (buff, gdb_stdout);
2570 bptr = &buff[1];
2571 }
ca4e7e14
JI		 2572 }
2573
2574 result_ptr->flags &= ~GDBTK_MAKES_LIST;
2575
2576 free (mbuf);
2577 return TCL_OK;
2578}
2579
2580\f
2581
2582/* This implements the tcl command "gdb_loadfile"
2583 * It loads a c source file into a text widget.
2584 *
2585 * Tcl Arguments:
2586 * widget: the name of the text widget to fill
2587 * filename: the name of the file to load
2588 * linenumbers: A boolean indicating whether or not to display line numbers.
2589 * Tcl Result:
2590 *
2591 */
2592
2593/* In this routine, we will build up a "line table", i.e. a
2594 * table of bits showing which lines in the source file are executible.
2595 * LTABLE_SIZE is the number of bytes to allocate for the line table.
2596 *
2597 * Its size limits the maximum number of lines
2598 * in a file to 8 * LTABLE_SIZE. This memory is freed after
2599 * the file is loaded, so it is OK to make this very large.
2600 * Additional memory will be allocated if needed. */
2601#define LTABLE_SIZE 20000
2602static int
2603gdb_loadfile (clientData, interp, objc, objv)
2604 ClientData clientData;
2605 Tcl_Interp *interp;
2606 int objc;
2607 Tcl_Obj *CONST objv[];
2608{
6f5af15b
MH		 2609 char *file, *widget;
2610 int linenumbers, ln, lnum, ltable_size;
ca4e7e14
JI		 2611 FILE *fp;
2612 char *ltable;
2613 struct symtab *symtab;
2614 struct linetable_entry *le;
2615 long mtime = 0;
2616 struct stat st;
2617 Tcl_DString text_cmd_1, text_cmd_2, *cur_cmd;
2618 char line[1024], line_num_buf[16];
2619 int prefix_len_1, prefix_len_2, cur_prefix_len, widget_len;
2620
2621
2622 if (objc != 4)
2623 {
2624 Tcl_WrongNumArgs(interp, 1, objv, "widget filename linenumbers");
2625 return TCL_ERROR;
2626 }
2627
2628 widget = Tcl_GetStringFromObj (objv[1], NULL);
2629 if ( Tk_NameToWindow (interp, widget, Tk_MainWindow (interp)) == NULL)
2630 {
2631 return TCL_ERROR;
2632 }
2633
2634 file = Tcl_GetStringFromObj (objv[2], NULL);
2635 Tcl_GetBooleanFromObj (interp, objv[3], &linenumbers);
2636
ca4e7e14
JI		 2637 symtab = full_lookup_symtab (file);
2638 if (!symtab)
2639 {
973b0216 2640 Tcl_SetStringObj ( result_ptr->obj_ptr, "File not found in symtab", -1);
ca4e7e14
JI		 2641 fclose (fp);
2642 return TCL_ERROR;
2643 }
2644
973b0216
MH		 2645 file = symtab_to_filename ( symtab );
2646 if ((fp = fopen ( file, "r" )) == NULL)
2647 {
2648 Tcl_SetStringObj ( result_ptr->obj_ptr, "Can't open file for reading", -1);
2649 return TCL_ERROR;
2650 }
2651
ca4e7e14
JI		 2652 if (stat (file, &st) < 0)
2653 {
2654 catch_errors (perror_with_name_wrapper, "gdbtk: get time stamp", "",
2655 RETURN_MASK_ALL);
2656 return TCL_ERROR;
2657 }
2658
2659 if (symtab && symtab->objfile && symtab->objfile->obfd)
2660 mtime = bfd_get_mtime(symtab->objfile->obfd);
2661 else if (exec_bfd)
2662 mtime = bfd_get_mtime(exec_bfd);
2663
2664 if (mtime && mtime < st.st_mtime)
2665 gdbtk_ignorable_warning("Source file is more recent than executable.\n");
2666
2667
2668 /* Source linenumbers don't appear to be in order, and a sort is */
2669 /* too slow so the fastest solution is just to allocate a huge */
2670 /* array and set the array entry for each linenumber */
2671
2672 ltable_size = LTABLE_SIZE;
2673 ltable = (char *)malloc (LTABLE_SIZE);
2674 if (ltable == NULL)
2675 {
2676 Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1);
2677 fclose (fp);
2678 return TCL_ERROR;
2679 }
2680
2681 memset (ltable, 0, LTABLE_SIZE);
2682
2683 if (symtab->linetable && symtab->linetable->nitems)
2684 {
2685 le = symtab->linetable->item;
2686 for (ln = symtab->linetable->nitems ;ln > 0; ln--, le++)
4af2d83a
KS		 2687 {
2688 lnum = le->line >> 3;
2689 if (lnum >= ltable_size)
2690 {
2691 char *new_ltable;
2692 new_ltable = (char *)realloc (ltable, ltable_size*2);
2693 memset (new_ltable + ltable_size, 0, ltable_size);
2694 ltable_size *= 2;
2695 if (new_ltable == NULL)
2696 {
2697 Tcl_SetStringObj ( result_ptr->obj_ptr, "Out of memory.", -1);
2698 free (ltable);
2699 fclose (fp);
2700 return TCL_ERROR;
2701 }
2702 ltable = new_ltable;
2703 }
2704 ltable[lnum] |= 1 << (le->line % 8);
2705 }
ca4e7e14
JI		 2706 }
2707
2708 Tcl_DStringInit(&text_cmd_1);
2709 Tcl_DStringInit(&text_cmd_2);
2710
2711 ln = 1;
2712
2713 widget_len = strlen (widget);
2714 line[0] = '\t';
2715
2716 Tcl_DStringAppend (&text_cmd_1, widget, widget_len);
2717 Tcl_DStringAppend (&text_cmd_2, widget, widget_len);
2718
2719 if (linenumbers)
2720 {
2721 Tcl_DStringAppend (&text_cmd_1, " insert end {-\t", -1);
2722 prefix_len_1 = Tcl_DStringLength(&text_cmd_1);
2723
2724 Tcl_DStringAppend (&text_cmd_2, " insert end { \t", -1);
2725 prefix_len_2 = Tcl_DStringLength(&text_cmd_2);
2726
2727 while (fgets (line + 1, 980, fp))
4af2d83a
KS		 2728 {
2729 sprintf (line_num_buf, "%d", ln);
2730 if (ltable[ln >> 3] & (1 << (ln % 8)))
2731 {
2732 cur_cmd = &text_cmd_1;
2733 cur_prefix_len = prefix_len_1;
2734 Tcl_DStringAppend (cur_cmd, line_num_buf, -1);
63d138d9 2735 Tcl_DStringAppend (cur_cmd, "} break_rgn_tag", 15);
4af2d83a
KS		 2736 }
2737 else
2738 {
2739 cur_cmd = &text_cmd_2;
2740 cur_prefix_len = prefix_len_2;
2741 Tcl_DStringAppend (cur_cmd, line_num_buf, -1);
2742 Tcl_DStringAppend (cur_cmd, "} \"\"", 4);
2743 }
2744
2745 Tcl_DStringAppendElement (cur_cmd, line);
2746 Tcl_DStringAppend (cur_cmd, " source_tag", 11);
2747
2748 Tcl_Eval(interp, Tcl_DStringValue(cur_cmd));
2749 Tcl_DStringSetLength(cur_cmd, cur_prefix_len);
2750 ln++;
2751 }
ca4e7e14
JI		 2752 }
2753 else
2754 {
63d138d9 2755 Tcl_DStringAppend (&text_cmd_1, " insert end {- } break_rgn_tag", -1);
ca4e7e14 2756 prefix_len_1 = Tcl_DStringLength(&text_cmd_1);
6e778194 2757 Tcl_DStringAppend (&text_cmd_2, " insert end { } \"\"", -1);
ca4e7e14
JI		 2758 prefix_len_2 = Tcl_DStringLength(&text_cmd_2);
2759
ca4e7e14 2760 while (fgets (line + 1, 980, fp))
4af2d83a
KS		 2761 {
2762 if (ltable[ln >> 3] & (1 << (ln % 8)))
2763 {
2764 cur_cmd = &text_cmd_1;
2765 cur_prefix_len = prefix_len_1;
2766 }
2767 else
2768 {
2769 cur_cmd = &text_cmd_2;
2770 cur_prefix_len = prefix_len_2;
2771 }
2772
2773 Tcl_DStringAppendElement (cur_cmd, line);
2774 Tcl_DStringAppend (cur_cmd, " source_tag", 11);
2775
2776 Tcl_Eval(interp, Tcl_DStringValue(cur_cmd));
2777 Tcl_DStringSetLength(cur_cmd, cur_prefix_len);
2778
2779 ln++;
2780 }
ca4e7e14
JI		 2781 }
2782
2783 Tcl_DStringFree (&text_cmd_1);
2784 Tcl_DStringFree (&text_cmd_2);
2785 free (ltable);
2786 fclose (fp);
2787 return TCL_OK;
2788}
2789\f
2790/*
2791 * This section contains commands for manipulation of breakpoints.
2792 */
2793
2794
2795/* set a breakpoint by source file and line number */
2796/* flags are as follows: */
2797/* least significant 2 bits are disposition, rest is */
2798/* type (normally 0).
2799
2800enum bptype {
2801 bp_breakpoint, Normal breakpoint
2802 bp_hardware_breakpoint, Hardware assisted breakpoint
2803}
2804
2805Disposition of breakpoint. Ie: what to do after hitting it.
2806enum bpdisp {
2807 del, Delete it
2808 del_at_next_stop, Delete at next stop, whether hit or not
2809 disable, Disable it
2810 donttouch Leave it alone
2811 };
2812*/
2813
2814/* This implements the tcl command "gdb_set_bp"
2815 * It sets breakpoints, and runs the Tcl command
2816 * gdbtk_tcl_breakpoint create
2817 * to register the new breakpoint with the GUI.
2818 *
2819 * Tcl Arguments:
2820 * filename: the file in which to set the breakpoint
2821 * line: the line number for the breakpoint
2822 * type: the type of the breakpoint
d84563bc 2823 * thread: optional thread number
ca4e7e14
JI		 2824 * Tcl Result:
2825 * The return value of the call to gdbtk_tcl_breakpoint.
2826 */
2827
2828static int
2829gdb_set_bp (clientData, interp, objc, objv)
2830 ClientData clientData;
2831 Tcl_Interp *interp;
2832 int objc;
2833 Tcl_Obj *CONST objv[];
2834
2835{
2836 struct symtab_and_line sal;
d84563bc 2837 int line, flags, ret, thread = -1;
ca4e7e14
JI		 2838 struct breakpoint *b;
2839 char buf[64];
2840 Tcl_DString cmd;
2841
d84563bc 2842 if (objc != 4 && objc != 5)
ca4e7e14 2843 {
d84563bc 2844 Tcl_WrongNumArgs(interp, 1, objv, "filename line type [thread]");
ca4e7e14
JI		 2845 return TCL_ERROR;
2846 }
2847
2848 sal.symtab = full_lookup_symtab (Tcl_GetStringFromObj( objv[1], NULL));
2849 if (sal.symtab == NULL)
2850 return TCL_ERROR;
2851
2852 if (Tcl_GetIntFromObj( interp, objv[2], &line) == TCL_ERROR)
2853 {
2854 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2855 return TCL_ERROR;
2856 }
2857
2858 if (Tcl_GetIntFromObj( interp, objv[3], &flags) == TCL_ERROR)
2859 {
2860 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2861 return TCL_ERROR;
2862 }
2863
d84563bc
MH		 2864 if (objc == 5)
2865 {
2866 if (Tcl_GetIntFromObj( interp, objv[4], &thread) == TCL_ERROR)
2867 {
2868 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2869 return TCL_ERROR;
2870 }
2871 }
2872
ca4e7e14
JI		 2873 sal.line = line;
2874 if (!find_line_pc (sal.symtab, sal.line, &sal.pc))
2875 return TCL_ERROR;
2876
2877 sal.section = find_pc_overlay (sal.pc);
2878 b = set_raw_breakpoint (sal);
2879 set_breakpoint_count (breakpoint_count + 1);
2880 b->number = breakpoint_count;
2881 b->type = flags >> 2;
2882 b->disposition = flags & 3;
d84563bc 2883 b->thread = thread;
ca4e7e14
JI		 2884
2885 /* FIXME: this won't work for duplicate basenames! */
2886 sprintf (buf, "%s:%d", basename (Tcl_GetStringFromObj ( objv[1], NULL)), line);
2887 b->addr_string = strsave (buf);
2888
2889 /* now send notification command back to GUI */
2890
2891 Tcl_DStringInit (&cmd);
2892
2893 Tcl_DStringAppend (&cmd, "gdbtk_tcl_breakpoint create ", -1);
2894 sprintf (buf, "%d", b->number);
2895 Tcl_DStringAppendElement(&cmd, buf);
6f5af15b 2896 sprintf (buf, "0x%lx", (long)sal.pc);
ca4e7e14
JI		 2897 Tcl_DStringAppendElement (&cmd, buf);
2898 Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[2], NULL));
2899 Tcl_DStringAppendElement (&cmd, Tcl_GetStringFromObj (objv[1], NULL));
63d138d9
JI		 2900 Tcl_DStringAppendElement (&cmd, bpdisp[b->disposition]);
2901 sprintf (buf, "%d", b->enable);
2902 Tcl_DStringAppendElement (&cmd, buf);
2903 sprintf (buf, "%d", b->thread);
2904 Tcl_DStringAppendElement (&cmd, buf);
2905
ca4e7e14
JI		 2906
2907 ret = Tcl_Eval (interp, Tcl_DStringValue (&cmd));
2908 Tcl_DStringFree (&cmd);
2909 return ret;
2910}
2911
23e1f78b
MH		 2912/* This implements the tcl command "gdb_set_bp_addr"
2913 * It sets breakpoints, and runs the Tcl command
2914 * gdbtk_tcl_breakpoint create
2915 * to register the new breakpoint with the GUI.
2916 *
2917 * Tcl Arguments:
2918 * addr: the address at which to set the breakpoint
2919 * type: the type of the breakpoint
2920 * thread: optional thread number
2921 * Tcl Result:
2922 * The return value of the call to gdbtk_tcl_breakpoint.
2923 */
2924
2925static int
2926gdb_set_bp_addr (clientData, interp, objc, objv)
2927 ClientData clientData;
2928 Tcl_Interp *interp;
2929 int objc;
2930 Tcl_Obj *CONST objv[];
2931
2932{
2933 struct symtab_and_line sal;
2934 int line, flags, ret, thread = -1;
2935 long addr;
2936 struct breakpoint *b;
5c01b16e 2937 char *filename, buf[64];
23e1f78b
MH		 2938 Tcl_DString cmd;
2939
2940 if (objc != 4 && objc != 3)
2941 {
63d138d9 2942 Tcl_WrongNumArgs(interp, 1, objv, "addr type ?thread?");
23e1f78b
MH		 2943 return TCL_ERROR;
2944 }
2945
2946 if (Tcl_GetLongFromObj( interp, objv[1], &addr) == TCL_ERROR)
2947 {
2948 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2949 return TCL_ERROR;
2950 }
2951
2952 if (Tcl_GetIntFromObj( interp, objv[2], &flags) == TCL_ERROR)
2953 {
2954 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2955 return TCL_ERROR;
2956 }
2957
2958 if (objc == 4)
2959 {
2960 if (Tcl_GetIntFromObj( interp, objv[3], &thread) == TCL_ERROR)
2961 {
2962 result_ptr->flags = GDBTK_IN_TCL_RESULT;
2963 return TCL_ERROR;
2964 }
2965 }
2966
2967 sal = find_pc_line (addr, 0);
2968 sal.pc = addr;
2969 b = set_raw_breakpoint (sal);
2970 set_breakpoint_count (breakpoint_count + 1);
2971 b->number = breakpoint_count;
2972 b->type = flags >> 2;
2973 b->disposition = flags & 3;
2974 b->thread = thread;
2975
2976 sprintf (buf, "*(0x%lx)",addr);
2977 b->addr_string = strsave (buf);
2978
2979 /* now send notification command back to GUI */
2980
2981 Tcl_DStringInit (&cmd);
2982
2983 Tcl_DStringAppend (&cmd, "gdbtk_tcl_breakpoint create ", -1);
2984 sprintf (buf, "%d", b->number);
2985 Tcl_DStringAppendElement(&cmd, buf);
2986 sprintf (buf, "0x%lx", addr);
2987 Tcl_DStringAppendElement (&cmd, buf);
2988 sprintf (buf, "%d", b->line_number);
2989 Tcl_DStringAppendElement (&cmd, buf);
5c01b16e
MH		 2990
2991 filename = symtab_to_filename (sal.symtab);
2992 if (filename == NULL)
2993 filename = "";
2994 Tcl_DStringAppendElement (&cmd, filename);
63d138d9
JI		 2995 Tcl_DStringAppendElement (&cmd, bpdisp[b->disposition]);
2996 sprintf (buf, "%d", b->enable);
2997 Tcl_DStringAppendElement (&cmd, buf);
2998 sprintf (buf, "%d", b->thread);
2999 Tcl_DStringAppendElement (&cmd, buf);
23e1f78b
MH		 3000
3001 ret = Tcl_Eval (interp, Tcl_DStringValue (&cmd));
3002 Tcl_DStringFree (&cmd);
3003 return ret;
3004}
3005
d84563bc
MH		 3006/* This implements the tcl command "gdb_find_bp_at_line"
3007 *
3008 * Tcl Arguments:
3009 * filename: the file in which to find the breakpoint
3010 * line: the line number for the breakpoint
3011 * Tcl Result:
3012 * It returns a list of breakpoint numbers
3013 */
3014
3015static int
3016gdb_find_bp_at_line(clientData, interp, objc, objv)
3017 ClientData clientData;
3018 Tcl_Interp *interp;
3019 int objc;
3020 Tcl_Obj *CONST objv[];
3021
3022{
3023 struct symtab *s;
3024 int line;
3025 struct breakpoint *b;
3026 extern struct breakpoint *breakpoint_chain;
3027
3028 if (objc != 3)
3029 {
3030 Tcl_WrongNumArgs(interp, 1, objv, "filename line");
3031 return TCL_ERROR;
3032 }
3033
3034 s = full_lookup_symtab (Tcl_GetStringFromObj( objv[1], NULL));
3035 if (s == NULL)
3036 return TCL_ERROR;
3037
3038 if (Tcl_GetIntFromObj( interp, objv[2], &line) == TCL_ERROR)
3039 {
3040 result_ptr->flags = GDBTK_IN_TCL_RESULT;
3041 return TCL_ERROR;
3042 }
3043
3044 Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL);
3045 for (b = breakpoint_chain; b; b = b->next)
3046 if (b->line_number == line && !strcmp(b->source_file, s->filename))
3047 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
3048 Tcl_NewIntObj (b->number));
3049
3050 return TCL_OK;
3051}
3052
3053
3054/* This implements the tcl command "gdb_find_bp_at_addr"
3055 *
3056 * Tcl Arguments:
3057 * addr: address
3058 * Tcl Result:
3059 * It returns a list of breakpoint numbers
3060 */
3061
3062static int
3063gdb_find_bp_at_addr(clientData, interp, objc, objv)
3064 ClientData clientData;
3065 Tcl_Interp *interp;
3066 int objc;
3067 Tcl_Obj *CONST objv[];
3068
3069{
3070 long addr;
3071 struct breakpoint *b;
3072 extern struct breakpoint *breakpoint_chain;
3073
3074 if (objc != 2)
3075 {
3076 Tcl_WrongNumArgs(interp, 1, objv, "address");
3077 return TCL_ERROR;
3078 }
3079
3080 if (Tcl_GetLongFromObj( interp, objv[1], &addr) == TCL_ERROR)
3081 {
3082 result_ptr->flags = GDBTK_IN_TCL_RESULT;
3083 return TCL_ERROR;
3084 }
3085
3086 Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL);
3087 for (b = breakpoint_chain; b; b = b->next)
3088 if (b->address == (CORE_ADDR)addr)
3089 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
3090 Tcl_NewIntObj (b->number));
3091
3092 return TCL_OK;
3093}
3094
ca4e7e14
JI		 3095/* This implements the tcl command gdb_get_breakpoint_info
3096 *
3097 *
3098 * Tcl Arguments:
3099 * breakpoint_number
3100 * Tcl Result:
3101 * A list with {file, function, line_number, address, type, enabled?,
3102 * disposition, ignore_count, {list_of_commands}, thread, hit_count}
3103 */
3104
3105static int
3106gdb_get_breakpoint_info (clientData, interp, objc, objv)
3107 ClientData clientData;
3108 Tcl_Interp *interp;
3109 int objc;
3110 Tcl_Obj *CONST objv[];
3111{
3112 struct symtab_and_line sal;
ca4e7e14
JI		 3113 struct command_line *cmd;
3114 int bpnum;
3115 struct breakpoint *b;
3116 extern struct breakpoint *breakpoint_chain;
3117 char *funcname, *fname, *filename;
3118 Tcl_Obj *new_obj;
3119
3120 if (objc != 2)
3121 {
3122 Tcl_SetStringObj (result_ptr->obj_ptr, "wrong number of args, should be \"breakpoint\"", -1);
3123 return TCL_ERROR;
3124 }
3125
3126 if ( Tcl_GetIntFromObj(NULL, objv[1], &bpnum) != TCL_OK)
3127 {
3128 result_ptr->flags = GDBTK_IN_TCL_RESULT;
3129 return TCL_ERROR;
3130 }
3131
3132 for (b = breakpoint_chain; b; b = b->next)
3133 if (b->number == bpnum)
3134 break;
3135
3136 if (!b || b->type != bp_breakpoint)
3137 {
63d138d9
JI		 3138 char err_buf[64];
3139 sprintf(err_buf, "Breakpoint #%d does not exist.", bpnum);
3140 Tcl_SetStringObj (result_ptr->obj_ptr, err_buf, -1);
ca4e7e14
JI		 3141 return TCL_ERROR;
3142 }
3143
3144 sal = find_pc_line (b->address, 0);
3145
3146 filename = symtab_to_filename (sal.symtab);
3147 if (filename == NULL)
3148 filename = "";
3149
3150 Tcl_SetListObj (result_ptr->obj_ptr ,0 ,NULL);
3151 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
3152 Tcl_NewStringObj (filename, -1));
3153
3154 find_pc_partial_function (b->address, &funcname, NULL, NULL);
3155 fname = cplus_demangle (funcname, 0);
3156 if (fname)
3157 {
3158 new_obj = Tcl_NewStringObj (fname, -1);
3159 free (fname);
3160 }
3161 else
3162 new_obj = Tcl_NewStringObj (funcname, -1);
3163
3164 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj);
3165
3166 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->line_number));
3167 sprintf_append_element_to_obj (result_ptr->obj_ptr, "0x%lx", b->address);
3168 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
3169 Tcl_NewStringObj (bptypes[b->type], -1));
3170 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewBooleanObj(b->enable == enabled));
3171 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
3172 Tcl_NewStringObj (bpdisp[b->disposition], -1));
3173 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->ignore_count));
3174
3175 new_obj = Tcl_NewObj();
3176 for (cmd = b->commands; cmd; cmd = cmd->next)
3177 Tcl_ListObjAppendElement (NULL, new_obj,
3178 Tcl_NewStringObj (cmd->line, -1));
3179 Tcl_ListObjAppendElement(NULL, result_ptr->obj_ptr, new_obj);
3180
3181 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr,
3182 Tcl_NewStringObj (b->cond_string, -1));
3183
3184 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->thread));
3185 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, Tcl_NewIntObj (b->hit_count));
3186
3187 return TCL_OK;
3188}
3189
3190
3191/* This implements the tcl command gdb_get_breakpoint_list
3192 * It builds up a list of the current breakpoints.
3193 *
3194 * Tcl Arguments:
3195 * None.
3196 * Tcl Result:
3197 * A list of breakpoint numbers.
3198 */
3199
3200static int
3201gdb_get_breakpoint_list (clientData, interp, objc, objv)
3202 ClientData clientData;
3203 Tcl_Interp *interp;
3204 int objc;
3205 Tcl_Obj *CONST objv[];
3206{
3207 struct breakpoint *b;
3208 extern struct breakpoint *breakpoint_chain;
3209 Tcl_Obj *new_obj;
3210
3211 if (objc != 1)
3212 error ("wrong number of args, none are allowed");
3213
3214 for (b = breakpoint_chain; b; b = b->next)
3215 if (b->type == bp_breakpoint)
3216 {
3217 new_obj = Tcl_NewIntObj (b->number);
3218 Tcl_ListObjAppendElement (NULL, result_ptr->obj_ptr, new_obj);
3219 }
3220
3221 return TCL_OK;
3222}
3d64f1e0
KS		 3223\f
3224/* The functions in this section deal with stacks and backtraces. */
3225
3226/* This implements the tcl command gdb_stack.
3227 * It builds up a list of stack frames.
3228 *
3229 * Tcl Arguments:
3230 * start - starting stack frame
3231 * count - number of frames to inspect
3232 * Tcl Result:
3233 * A list of function names
3234 */
3235
3236static int
3237gdb_stack (clientData, interp, objc, objv) ClientData clientData;
3238 Tcl_Interp *interp;
3239 int objc;
3240 Tcl_Obj *CONST objv[];
3241{
3242 int start, count;
3243
3244 if (objc < 3)
3245 {
3246 Tcl_WrongNumArgs (interp, 1, objv, "start count");
3247 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
3248 return TCL_ERROR;
3249 }
3250
3251 if (Tcl_GetIntFromObj (NULL, objv[1], &start))
3252 {
3253 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
3254 return TCL_ERROR;
3255 }
3256 if (Tcl_GetIntFromObj (NULL, objv[2], &count))
3257 {
3258 result_ptr->flags |= GDBTK_IN_TCL_RESULT;
3259 return TCL_ERROR;
3260 }
3261
3262 Tcl_SetListObj (result_ptr->obj_ptr, 0, NULL);
3263
3264 if (target_has_stack)
3265 {
3266 struct frame_info *top;
3267 struct frame_info *fi;
3268
3269 /* Find the outermost frame */
3270 fi = get_current_frame ();
3271 while (fi != NULL)
3272 {
3273 top = fi;
3274 fi = get_prev_frame (fi);
3275 }
3276
3277 /* top now points to the top (outermost frame) of the
3278 stack, so point it to the requested start */
3279 start = -start;
3280 top = find_relative_frame (top, &start);
3281
3282 /* If start != 0, then we have asked to start outputting
3283 frames beyond the innermost stack frame */
3284 if (start == 0)
3285 {
3286 fi = top;
3287 while (fi && count--)
3288 {
3289 get_frame_name (interp, result_ptr->obj_ptr, fi);
3290 fi = get_next_frame (fi);
3291 }
3292 }
3293 }
3294
3295 return TCL_OK;
3296}
3297
3298/* A helper function for get_stack which adds information about
3299 * the stack frame FI to the caller's LIST.
3300 *
3301 * This is stolen from print_frame_info in stack.c.
3302 */
3303static void
3304get_frame_name (interp, list, fi)
3305 Tcl_Interp *interp;
3306 Tcl_Obj *list;
3307 struct frame_info *fi;
3308{
3309 struct symtab_and_line sal;
3310 struct symbol *func = NULL;
3311 register char *funname = 0;
3312 enum language funlang = language_unknown;
3313 Tcl_Obj *objv[1];
3314
3315 if (frame_in_dummy (fi))
3316 {
3317 objv[0] = Tcl_NewStringObj ("<function called from gdb>\n", -1);
3318 Tcl_ListObjAppendElement (interp, list, objv[0]);
3319 return;
3320 }
3321 if (fi->signal_handler_caller)
3322 {
3323 objv[0] = Tcl_NewStringObj ("<signal handler called>\n", -1);
3324 Tcl_ListObjAppendElement (interp, list, objv[0]);
3325 return;
3326 }
3327
3328 sal =
3329 find_pc_line (fi->pc,
3330 fi->next != NULL
3331 && !fi->next->signal_handler_caller
3332 && !frame_in_dummy (fi->next));
3333
3334 func = find_pc_function (fi->pc);
3335 if (func)
3336 {
3337 struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
3338 if (msymbol != NULL
3339 && (SYMBOL_VALUE_ADDRESS (msymbol)
3340 > BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
3341 {
3342 func = 0;
3343 funname = SYMBOL_NAME (msymbol);
3344 funlang = SYMBOL_LANGUAGE (msymbol);
3345 }
3346 else
3347 {
3348 funname = SYMBOL_NAME (func);
3349 funlang = SYMBOL_LANGUAGE (func);
3350 }
3351 }
3352 else
3353 {
3354 struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
3355 if (msymbol != NULL)
3356 {
3357 funname = SYMBOL_NAME (msymbol);
3358 funlang = SYMBOL_LANGUAGE (msymbol);
3359 }
3360 }
3361
3362 if (sal.symtab)
3363 {
864e89fc
KS		 3364 char *name = NULL;
3365
3366 if (funlang == language_cplus)
3367 name = cplus_demangle (funname, 0);
3368 if (name == NULL)
3369 name = funname;
3370
3371 objv[0] = Tcl_NewStringObj (name, -1);
3d64f1e0
KS		 3372 Tcl_ListObjAppendElement (interp, list, objv[0]);
3373 }
3374 else
3375 {
3376#if 0
3377 /* we have no convenient way to deal with this yet... */
3378 if (fi->pc != sal.pc || !sal.symtab)
3379 {
3380 print_address_numeric (fi->pc, 1, gdb_stdout);
3381 printf_filtered (" in ");
3382 }
3383 printf_symbol_filtered (gdb_stdout, funname ? funname : "??", funlang,
3384 DMGL_ANSI);
3385#endif
3386 objv[0] = Tcl_NewStringObj (funname != NULL ? funname : "??", -1);
3387#ifdef PC_LOAD_SEGMENT
3388 /* If we couldn't print out function name but if can figure out what
3389 load segment this pc value is from, at least print out some info
3390 about its load segment. */
3391 if (!funname)
3392 {
3393 Tcl_AppendStringsToObj (objv[0], " from ", PC_LOAD_SEGMENT (fi->pc),
3394 (char *) NULL);
3395 }
3396#endif
3397#ifdef PC_SOLIB
3398 if (!funname)
3399 {
3400 char *lib = PC_SOLIB (fi->pc);
3401 if (lib)
3402 {
3403 Tcl_AppendStringsToObj (objv[0], " from ", lib, (char *) NULL);
3404 }
3405 }
3406#endif
3407 Tcl_ListObjAppendElement (interp, list, objv[0]);
3408 }
3409}
ca4e7e14
JI		 3410
3411\f
3412/*
3413 * This section contains a bunch of miscellaneous utility commands
3414 */
3415
3416/* This implements the tcl command gdb_path_conv
3417 *
3418 * On Windows, it canonicalizes the pathname,
3419 * On Unix, it is a no op.
3420 *
3421 * Arguments:
3422 * path
3423 * Tcl Result:
3424 * The canonicalized path.
3425 */
3426
3427static int
3428gdb_path_conv (clientData, interp, objc, objv)
3429 ClientData clientData;
3430 Tcl_Interp *interp;
3431 int objc;
3432 Tcl_Obj *CONST objv[];
3433{
3434 if (objc != 2)
3435 error ("wrong # args");
3436
d836385e 3437#ifdef __CYGWIN__
ca4e7e14
JI		 3438 {
3439 char pathname[256], *ptr;
3440
1798621b 3441 cygwin32_conv_to_full_win32_path (Tcl_GetStringFromObj (objv[1], NULL), pathname);
ca4e7e14
JI		 3442 for (ptr = pathname; *ptr; ptr++)
3443 {
3444 if (*ptr == '\\')
3445 *ptr = '/';
3446 }
3447 Tcl_SetStringObj (result_ptr->obj_ptr, pathname, -1);
3448 }
3449#else
3450 Tcl_SetStringObj (result_ptr->obj_ptr, Tcl_GetStringFromObj (objv[1], NULL), -1);
3451#endif
3452
3453 return TCL_OK;
3454}
3455\f
3456/*
3457 * This section has utility routines that are not Tcl commands.
3458 */
3459
3460static int
3461perror_with_name_wrapper (args)
3462 char * args;
3463{
3464 perror_with_name (args);
3465 return 1;
3466}
3467
3468/* The lookup_symtab() in symtab.c doesn't work correctly */
3469/* It will not work will full pathnames and if multiple */
3470/* source files have the same basename, it will return */
3471/* the first one instead of the correct one. This version */
3472/* also always makes sure symtab->fullname is set. */
3473
3474static struct symtab *
3475full_lookup_symtab(file)
3476 char *file;
3477{
3478 struct symtab *st;
3479 struct objfile *objfile;
3480 char *bfile, *fullname;
3481 struct partial_symtab *pt;
3482
3483 if (!file)
3484 return NULL;
3485
3486 /* first try a direct lookup */
3487 st = lookup_symtab (file);
3488 if (st)
3489 {
3490 if (!st->fullname)
3491 symtab_to_filename(st);
3492 return st;
3493 }
3494
3495 /* if the direct approach failed, try */
3496 /* looking up the basename and checking */
3497 /* all matches with the fullname */
3498 bfile = basename (file);
3499 ALL_SYMTABS (objfile, st)
3500 {
3501 if (!strcmp (bfile, basename(st->filename)))
4af2d83a
KS		 3502 {
3503 if (!st->fullname)
3504 fullname = symtab_to_filename (st);
3505 else
3506 fullname = st->fullname;
ca4e7e14 3507
4af2d83a
KS		 3508 if (!strcmp (file, fullname))
3509 return st;
3510 }
ca4e7e14
JI		 3511 }
3512
3513 /* still no luck? look at psymtabs */
3514 ALL_PSYMTABS (objfile, pt)
3515 {
3516 if (!strcmp (bfile, basename(pt->filename)))
4af2d83a
KS		 3517 {
3518 st = PSYMTAB_TO_SYMTAB (pt);
3519 if (st)
3520 {
3521 fullname = symtab_to_filename (st);
3522 if (!strcmp (file, fullname))
3523 return st;
3524 }
3525 }
ca4e7e14
JI		 3526 }
3527 return NULL;
3528}
GDB Binutils - Deliverables
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