Commit | Line | Data |
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4604b34c | 1 | /* Tcl/Tk interface routines. |
1a57cd09 | 2 | Copyright 1994, 1995, 1996 Free Software Foundation, Inc. |
4604b34c SG |
3 | |
4 | Written by Stu Grossman <grossman@cygnus.com> of Cygnus Support. | |
754e5da2 SG |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
6c9638b4 | 20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
754e5da2 SG |
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" | |
754e5da2 SG |
30 | #include <tcl.h> |
31 | #include <tk.h> | |
73d3dbd4 | 32 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
33 | #include <stdarg.h> |
34 | #else | |
cd2df226 | 35 | #include <varargs.h> |
85c613aa | 36 | #endif |
cd2df226 SG |
37 | #include <signal.h> |
38 | #include <fcntl.h> | |
8532893d | 39 | #include <unistd.h> |
86db943c SG |
40 | #include <setjmp.h> |
41 | #include "top.h" | |
736a82e7 | 42 | #include <sys/ioctl.h> |
2b576293 | 43 | #include "gdb_string.h" |
09722039 | 44 | #include "dis-asm.h" |
6131622e SG |
45 | #include <stdio.h> |
46 | #include "gdbcmd.h" | |
736a82e7 SG |
47 | |
48 | #ifndef FIOASYNC | |
546b8ca7 SG |
49 | #include <sys/stropts.h> |
50 | #endif | |
754e5da2 | 51 | |
8b3f9ed6 | 52 | /* Some versions (1.3.79, 1.3.81) of Linux don't support SIOCSPGRP the way |
3f37b696 | 53 | gdbtk wants to use it... */ |
8b3f9ed6 MM |
54 | #ifdef __linux__ |
55 | #undef SIOCSPGRP | |
56 | #endif | |
57 | ||
754e5da2 | 58 | /* Handle for TCL interpreter */ |
fda6fadc | 59 | |
754e5da2 SG |
60 | static Tcl_Interp *interp = NULL; |
61 | ||
62 | /* Handle for TK main window */ | |
fda6fadc | 63 | |
754e5da2 SG |
64 | static Tk_Window mainWindow = NULL; |
65 | ||
479f0f18 SG |
66 | static int x_fd; /* X network socket */ |
67 | ||
fda6fadc SS |
68 | /* This variable is true when the inferior is running. Although it's |
69 | possible to disable most input from widgets and thus prevent | |
70 | attempts to do anything while the inferior is running, any commands | |
71 | that get through - even a simple memory read - are Very Bad, and | |
72 | may cause GDB to crash or behave strangely. So, this variable | |
73 | provides an extra layer of defense. */ | |
09722039 | 74 | |
fda6fadc SS |
75 | static int running_now; |
76 | ||
77 | /* This variable determines where memory used for disassembly is read from. | |
78 | If > 0, then disassembly comes from the exec file rather than the | |
79 | target (which might be at the other end of a slow serial link). If | |
80 | == 0 then disassembly comes from target. If < 0 disassembly is | |
81 | automatically switched to the target if it's an inferior process, | |
82 | otherwise the exec file is used. */ | |
09722039 SG |
83 | |
84 | static int disassemble_from_exec = -1; | |
85 | ||
8c19daa1 SG |
86 | /* Supply malloc calls for tcl/tk. */ |
87 | ||
88 | char * | |
89 | Tcl_Malloc (size) | |
90 | unsigned int size; | |
91 | { | |
92 | return xmalloc (size); | |
93 | } | |
94 | ||
95 | char * | |
96 | Tcl_Realloc (ptr, size) | |
97 | char *ptr; | |
98 | unsigned int size; | |
99 | { | |
100 | return xrealloc (ptr, size); | |
101 | } | |
102 | ||
103 | void | |
104 | Tcl_Free(ptr) | |
105 | char *ptr; | |
106 | { | |
107 | free (ptr); | |
108 | } | |
109 | ||
754e5da2 SG |
110 | static void |
111 | null_routine(arg) | |
112 | int arg; | |
113 | { | |
114 | } | |
115 | ||
546b8ca7 SG |
116 | /* The following routines deal with stdout/stderr data, which is created by |
117 | {f}printf_{un}filtered and friends. gdbtk_fputs and gdbtk_flush are the | |
118 | lowest level of these routines and capture all output from the rest of GDB. | |
119 | Normally they present their data to tcl via callbacks to the following tcl | |
120 | routines: gdbtk_tcl_fputs, gdbtk_tcl_fputs_error, and gdbtk_flush. These | |
121 | in turn call tk routines to update the display. | |
86db943c | 122 | |
546b8ca7 SG |
123 | Under some circumstances, you may want to collect the output so that it can |
124 | be returned as the value of a tcl procedure. This can be done by | |
125 | surrounding the output routines with calls to start_saving_output and | |
126 | finish_saving_output. The saved data can then be retrieved with | |
127 | get_saved_output (but this must be done before the call to | |
128 | finish_saving_output). */ | |
86db943c | 129 | |
546b8ca7 | 130 | /* Dynamic string header for stdout. */ |
86db943c | 131 | |
6131622e | 132 | static Tcl_DString *result_ptr; |
754e5da2 | 133 | \f |
754e5da2 SG |
134 | static void |
135 | gdbtk_flush (stream) | |
136 | FILE *stream; | |
137 | { | |
6131622e | 138 | #if 0 |
86db943c SG |
139 | /* Force immediate screen update */ |
140 | ||
754e5da2 | 141 | Tcl_VarEval (interp, "gdbtk_tcl_flush", NULL); |
6131622e | 142 | #endif |
754e5da2 SG |
143 | } |
144 | ||
8532893d | 145 | static void |
86db943c | 146 | gdbtk_fputs (ptr, stream) |
8532893d | 147 | const char *ptr; |
86db943c | 148 | FILE *stream; |
8532893d | 149 | { |
fda6fadc | 150 | |
6131622e | 151 | if (result_ptr) |
45f90c50 | 152 | Tcl_DStringAppend (result_ptr, (char *)ptr, -1); |
6131622e | 153 | else |
86db943c | 154 | { |
6131622e | 155 | Tcl_DString str; |
86db943c | 156 | |
6131622e | 157 | Tcl_DStringInit (&str); |
8532893d | 158 | |
6131622e | 159 | Tcl_DStringAppend (&str, "gdbtk_tcl_fputs", -1); |
45f90c50 | 160 | Tcl_DStringAppendElement (&str, (char *)ptr); |
8532893d | 161 | |
6131622e SG |
162 | Tcl_Eval (interp, Tcl_DStringValue (&str)); |
163 | Tcl_DStringFree (&str); | |
164 | } | |
8532893d SG |
165 | } |
166 | ||
754e5da2 | 167 | static int |
85c613aa C |
168 | gdbtk_query (query, args) |
169 | char *query; | |
754e5da2 SG |
170 | va_list args; |
171 | { | |
4e327047 TT |
172 | char buf[200], *merge[2]; |
173 | char *command; | |
754e5da2 SG |
174 | long val; |
175 | ||
6131622e | 176 | vsprintf (buf, query, args); |
4e327047 TT |
177 | merge[0] = "gdbtk_tcl_query"; |
178 | merge[1] = buf; | |
179 | command = Tcl_Merge (2, merge); | |
180 | Tcl_Eval (interp, command); | |
181 | free (command); | |
754e5da2 SG |
182 | |
183 | val = atol (interp->result); | |
184 | return val; | |
185 | } | |
41756e56 FF |
186 | |
187 | /* VARARGS */ | |
188 | static void | |
189 | #ifdef ANSI_PROTOTYPES | |
190 | gdbtk_readline_begin (char *format, ...) | |
191 | #else | |
192 | gdbtk_readline_begin (va_alist) | |
193 | va_dcl | |
194 | #endif | |
195 | { | |
196 | va_list args; | |
197 | char buf[200], *merge[2]; | |
198 | char *command; | |
199 | ||
200 | #ifdef ANSI_PROTOTYPES | |
201 | va_start (args, format); | |
202 | #else | |
203 | char *format; | |
204 | va_start (args); | |
205 | format = va_arg (args, char *); | |
206 | #endif | |
207 | ||
208 | vsprintf (buf, format, args); | |
209 | merge[0] = "gdbtk_tcl_readline_begin"; | |
210 | merge[1] = buf; | |
211 | command = Tcl_Merge (2, merge); | |
212 | Tcl_Eval (interp, command); | |
213 | free (command); | |
214 | } | |
215 | ||
216 | static char * | |
217 | gdbtk_readline (prompt) | |
218 | char *prompt; | |
219 | { | |
220 | char *merge[2]; | |
221 | char *command; | |
222 | ||
223 | merge[0] = "gdbtk_tcl_readline"; | |
224 | merge[1] = prompt; | |
225 | command = Tcl_Merge (2, merge); | |
226 | if (Tcl_Eval (interp, command) == TCL_OK) | |
227 | { | |
228 | return (strdup (interp -> result)); | |
229 | } | |
230 | else | |
231 | { | |
232 | gdbtk_fputs (interp -> result, gdb_stdout); | |
233 | gdbtk_fputs ("\n", gdb_stdout); | |
234 | return (NULL); | |
235 | } | |
236 | } | |
237 | ||
238 | static void | |
239 | gdbtk_readline_end () | |
240 | { | |
241 | Tcl_Eval (interp, "gdbtk_tcl_readline_end"); | |
242 | } | |
243 | ||
754e5da2 | 244 | \f |
6131622e | 245 | static void |
73d3dbd4 | 246 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
247 | dsprintf_append_element (Tcl_DString *dsp, char *format, ...) |
248 | #else | |
6131622e SG |
249 | dsprintf_append_element (va_alist) |
250 | va_dcl | |
85c613aa | 251 | #endif |
6131622e SG |
252 | { |
253 | va_list args; | |
85c613aa C |
254 | char buf[1024]; |
255 | ||
73d3dbd4 | 256 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
257 | va_start (args, format); |
258 | #else | |
6131622e SG |
259 | Tcl_DString *dsp; |
260 | char *format; | |
6131622e SG |
261 | |
262 | va_start (args); | |
6131622e SG |
263 | dsp = va_arg (args, Tcl_DString *); |
264 | format = va_arg (args, char *); | |
85c613aa | 265 | #endif |
6131622e SG |
266 | |
267 | vsprintf (buf, format, args); | |
268 | ||
269 | Tcl_DStringAppendElement (dsp, buf); | |
270 | } | |
271 | ||
272 | static int | |
273 | gdb_get_breakpoint_list (clientData, interp, argc, argv) | |
274 | ClientData clientData; | |
275 | Tcl_Interp *interp; | |
276 | int argc; | |
277 | char *argv[]; | |
278 | { | |
279 | struct breakpoint *b; | |
280 | extern struct breakpoint *breakpoint_chain; | |
281 | ||
282 | if (argc != 1) | |
283 | error ("wrong # args"); | |
284 | ||
285 | for (b = breakpoint_chain; b; b = b->next) | |
286 | if (b->type == bp_breakpoint) | |
287 | dsprintf_append_element (result_ptr, "%d", b->number); | |
288 | ||
289 | return TCL_OK; | |
290 | } | |
291 | ||
292 | static int | |
293 | gdb_get_breakpoint_info (clientData, interp, argc, argv) | |
294 | ClientData clientData; | |
295 | Tcl_Interp *interp; | |
296 | int argc; | |
297 | char *argv[]; | |
298 | { | |
299 | struct symtab_and_line sal; | |
300 | static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", | |
301 | "finish", "watchpoint", "hardware watchpoint", | |
302 | "read watchpoint", "access watchpoint", | |
303 | "longjmp", "longjmp resume", "step resume", | |
304 | "through sigtramp", "watchpoint scope", | |
305 | "call dummy" }; | |
306 | static char *bpdisp[] = {"delete", "disable", "donttouch"}; | |
307 | struct command_line *cmd; | |
308 | int bpnum; | |
309 | struct breakpoint *b; | |
310 | extern struct breakpoint *breakpoint_chain; | |
311 | ||
312 | if (argc != 2) | |
313 | error ("wrong # args"); | |
314 | ||
315 | bpnum = atoi (argv[1]); | |
316 | ||
317 | for (b = breakpoint_chain; b; b = b->next) | |
318 | if (b->number == bpnum) | |
319 | break; | |
320 | ||
9468f8aa | 321 | if (!b || b->type != bp_breakpoint) |
6131622e SG |
322 | error ("Breakpoint #%d does not exist", bpnum); |
323 | ||
6131622e SG |
324 | sal = find_pc_line (b->address, 0); |
325 | ||
326 | Tcl_DStringAppendElement (result_ptr, symtab_to_filename (sal.symtab)); | |
327 | dsprintf_append_element (result_ptr, "%d", sal.line); | |
328 | dsprintf_append_element (result_ptr, "0x%lx", b->address); | |
329 | Tcl_DStringAppendElement (result_ptr, bptypes[b->type]); | |
330 | Tcl_DStringAppendElement (result_ptr, b->enable == enabled ? "1" : "0"); | |
331 | Tcl_DStringAppendElement (result_ptr, bpdisp[b->disposition]); | |
332 | dsprintf_append_element (result_ptr, "%d", b->silent); | |
333 | dsprintf_append_element (result_ptr, "%d", b->ignore_count); | |
334 | ||
335 | Tcl_DStringStartSublist (result_ptr); | |
336 | for (cmd = b->commands; cmd; cmd = cmd->next) | |
337 | Tcl_DStringAppendElement (result_ptr, cmd->line); | |
338 | Tcl_DStringEndSublist (result_ptr); | |
339 | ||
340 | Tcl_DStringAppendElement (result_ptr, b->cond_string); | |
341 | ||
342 | dsprintf_append_element (result_ptr, "%d", b->thread); | |
343 | dsprintf_append_element (result_ptr, "%d", b->hit_count); | |
344 | ||
345 | return TCL_OK; | |
346 | } | |
347 | ||
754e5da2 SG |
348 | static void |
349 | breakpoint_notify(b, action) | |
350 | struct breakpoint *b; | |
351 | const char *action; | |
352 | { | |
6131622e | 353 | char buf[100]; |
754e5da2 SG |
354 | int v; |
355 | ||
356 | if (b->type != bp_breakpoint) | |
357 | return; | |
358 | ||
4e327047 TT |
359 | /* We ensure that ACTION contains no special Tcl characters, so we |
360 | can do this. */ | |
6131622e | 361 | sprintf (buf, "gdbtk_tcl_breakpoint %s %d", action, b->number); |
754e5da2 | 362 | |
6131622e | 363 | v = Tcl_Eval (interp, buf); |
754e5da2 SG |
364 | |
365 | if (v != TCL_OK) | |
366 | { | |
546b8ca7 SG |
367 | gdbtk_fputs (interp->result, gdb_stdout); |
368 | gdbtk_fputs ("\n", gdb_stdout); | |
754e5da2 | 369 | } |
754e5da2 SG |
370 | } |
371 | ||
372 | static void | |
373 | gdbtk_create_breakpoint(b) | |
374 | struct breakpoint *b; | |
375 | { | |
6131622e | 376 | breakpoint_notify (b, "create"); |
754e5da2 SG |
377 | } |
378 | ||
379 | static void | |
380 | gdbtk_delete_breakpoint(b) | |
381 | struct breakpoint *b; | |
382 | { | |
6131622e | 383 | breakpoint_notify (b, "delete"); |
754e5da2 SG |
384 | } |
385 | ||
386 | static void | |
6131622e | 387 | gdbtk_modify_breakpoint(b) |
754e5da2 SG |
388 | struct breakpoint *b; |
389 | { | |
6131622e | 390 | breakpoint_notify (b, "modify"); |
754e5da2 SG |
391 | } |
392 | \f | |
393 | /* This implements the TCL command `gdb_loc', which returns a list consisting | |
394 | of the source and line number associated with the current pc. */ | |
395 | ||
396 | static int | |
397 | gdb_loc (clientData, interp, argc, argv) | |
398 | ClientData clientData; | |
399 | Tcl_Interp *interp; | |
400 | int argc; | |
401 | char *argv[]; | |
402 | { | |
403 | char *filename; | |
754e5da2 SG |
404 | struct symtab_and_line sal; |
405 | char *funcname; | |
8532893d | 406 | CORE_ADDR pc; |
754e5da2 SG |
407 | |
408 | if (argc == 1) | |
409 | { | |
1dfc8dfb | 410 | pc = selected_frame ? selected_frame->pc : stop_pc; |
754e5da2 SG |
411 | sal = find_pc_line (pc, 0); |
412 | } | |
413 | else if (argc == 2) | |
414 | { | |
754e5da2 | 415 | struct symtabs_and_lines sals; |
8532893d | 416 | int nelts; |
754e5da2 SG |
417 | |
418 | sals = decode_line_spec (argv[1], 1); | |
419 | ||
8532893d SG |
420 | nelts = sals.nelts; |
421 | sal = sals.sals[0]; | |
422 | free (sals.sals); | |
423 | ||
754e5da2 | 424 | if (sals.nelts != 1) |
6131622e | 425 | error ("Ambiguous line spec"); |
754e5da2 | 426 | |
8532893d | 427 | pc = sal.pc; |
754e5da2 SG |
428 | } |
429 | else | |
6131622e | 430 | error ("wrong # args"); |
754e5da2 | 431 | |
754e5da2 | 432 | if (sal.symtab) |
6131622e | 433 | Tcl_DStringAppendElement (result_ptr, sal.symtab->filename); |
754e5da2 | 434 | else |
6131622e | 435 | Tcl_DStringAppendElement (result_ptr, ""); |
8532893d SG |
436 | |
437 | find_pc_partial_function (pc, &funcname, NULL, NULL); | |
6131622e | 438 | Tcl_DStringAppendElement (result_ptr, funcname); |
8532893d | 439 | |
637b1661 | 440 | filename = symtab_to_filename (sal.symtab); |
6131622e | 441 | Tcl_DStringAppendElement (result_ptr, filename); |
8532893d | 442 | |
9468f8aa | 443 | dsprintf_append_element (result_ptr, "%d", sal.line); /* line number */ |
754e5da2 | 444 | |
9468f8aa | 445 | dsprintf_append_element (result_ptr, "0x%lx", pc); /* PC */ |
8532893d | 446 | |
754e5da2 SG |
447 | return TCL_OK; |
448 | } | |
449 | \f | |
09722039 SG |
450 | /* This implements the TCL command `gdb_eval'. */ |
451 | ||
452 | static int | |
453 | gdb_eval (clientData, interp, argc, argv) | |
454 | ClientData clientData; | |
455 | Tcl_Interp *interp; | |
456 | int argc; | |
457 | char *argv[]; | |
458 | { | |
459 | struct expression *expr; | |
460 | struct cleanup *old_chain; | |
461 | value_ptr val; | |
462 | ||
463 | if (argc != 2) | |
6131622e | 464 | error ("wrong # args"); |
09722039 SG |
465 | |
466 | expr = parse_expression (argv[1]); | |
467 | ||
468 | old_chain = make_cleanup (free_current_contents, &expr); | |
469 | ||
470 | val = evaluate_expression (expr); | |
471 | ||
09722039 SG |
472 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), |
473 | gdb_stdout, 0, 0, 0, 0); | |
09722039 SG |
474 | |
475 | do_cleanups (old_chain); | |
476 | ||
477 | return TCL_OK; | |
478 | } | |
479 | \f | |
5b21fb68 SG |
480 | /* This implements the TCL command `gdb_sourcelines', which returns a list of |
481 | all of the lines containing executable code for the specified source file | |
482 | (ie: lines where you can put breakpoints). */ | |
483 | ||
484 | static int | |
485 | gdb_sourcelines (clientData, interp, argc, argv) | |
486 | ClientData clientData; | |
487 | Tcl_Interp *interp; | |
488 | int argc; | |
489 | char *argv[]; | |
490 | { | |
491 | struct symtab *symtab; | |
492 | struct linetable_entry *le; | |
493 | int nlines; | |
5b21fb68 SG |
494 | |
495 | if (argc != 2) | |
6131622e | 496 | error ("wrong # args"); |
5b21fb68 SG |
497 | |
498 | symtab = lookup_symtab (argv[1]); | |
499 | ||
500 | if (!symtab) | |
6131622e | 501 | error ("No such file"); |
5b21fb68 SG |
502 | |
503 | /* If there's no linetable, or no entries, then we are done. */ | |
504 | ||
505 | if (!symtab->linetable | |
506 | || symtab->linetable->nitems == 0) | |
507 | { | |
6131622e | 508 | Tcl_DStringAppendElement (result_ptr, ""); |
5b21fb68 SG |
509 | return TCL_OK; |
510 | } | |
511 | ||
512 | le = symtab->linetable->item; | |
513 | nlines = symtab->linetable->nitems; | |
514 | ||
515 | for (;nlines > 0; nlines--, le++) | |
516 | { | |
517 | /* If the pc of this line is the same as the pc of the next line, then | |
518 | just skip it. */ | |
519 | if (nlines > 1 | |
520 | && le->pc == (le + 1)->pc) | |
521 | continue; | |
522 | ||
9468f8aa | 523 | dsprintf_append_element (result_ptr, "%d", le->line); |
5b21fb68 SG |
524 | } |
525 | ||
526 | return TCL_OK; | |
527 | } | |
528 | \f | |
746d1df4 SG |
529 | static int |
530 | map_arg_registers (argc, argv, func, argp) | |
531 | int argc; | |
532 | char *argv[]; | |
6131622e | 533 | void (*func) PARAMS ((int regnum, void *argp)); |
746d1df4 SG |
534 | void *argp; |
535 | { | |
536 | int regnum; | |
537 | ||
538 | /* Note that the test for a valid register must include checking the | |
539 | reg_names array because NUM_REGS may be allocated for the union of the | |
540 | register sets within a family of related processors. In this case, the | |
541 | trailing entries of reg_names will change depending upon the particular | |
542 | processor being debugged. */ | |
543 | ||
544 | if (argc == 0) /* No args, just do all the regs */ | |
545 | { | |
546 | for (regnum = 0; | |
547 | regnum < NUM_REGS | |
548 | && reg_names[regnum] != NULL | |
549 | && *reg_names[regnum] != '\000'; | |
550 | regnum++) | |
551 | func (regnum, argp); | |
552 | ||
553 | return TCL_OK; | |
554 | } | |
555 | ||
556 | /* Else, list of register #s, just do listed regs */ | |
557 | for (; argc > 0; argc--, argv++) | |
558 | { | |
559 | regnum = atoi (*argv); | |
560 | ||
561 | if (regnum >= 0 | |
562 | && regnum < NUM_REGS | |
563 | && reg_names[regnum] != NULL | |
564 | && *reg_names[regnum] != '\000') | |
565 | func (regnum, argp); | |
566 | else | |
6131622e | 567 | error ("bad register number"); |
746d1df4 SG |
568 | } |
569 | ||
570 | return TCL_OK; | |
571 | } | |
572 | ||
6131622e | 573 | static void |
746d1df4 SG |
574 | get_register_name (regnum, argp) |
575 | int regnum; | |
576 | void *argp; /* Ignored */ | |
577 | { | |
6131622e | 578 | Tcl_DStringAppendElement (result_ptr, reg_names[regnum]); |
746d1df4 SG |
579 | } |
580 | ||
5b21fb68 SG |
581 | /* This implements the TCL command `gdb_regnames', which returns a list of |
582 | all of the register names. */ | |
583 | ||
584 | static int | |
585 | gdb_regnames (clientData, interp, argc, argv) | |
586 | ClientData clientData; | |
587 | Tcl_Interp *interp; | |
588 | int argc; | |
589 | char *argv[]; | |
590 | { | |
746d1df4 SG |
591 | argc--; |
592 | argv++; | |
593 | ||
594 | return map_arg_registers (argc, argv, get_register_name, 0); | |
595 | } | |
596 | ||
746d1df4 SG |
597 | #ifndef REGISTER_CONVERTIBLE |
598 | #define REGISTER_CONVERTIBLE(x) (0 != 0) | |
599 | #endif | |
600 | ||
601 | #ifndef REGISTER_CONVERT_TO_VIRTUAL | |
602 | #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) | |
603 | #endif | |
604 | ||
605 | #ifndef INVALID_FLOAT | |
606 | #define INVALID_FLOAT(x, y) (0 != 0) | |
607 | #endif | |
608 | ||
6131622e | 609 | static void |
746d1df4 | 610 | get_register (regnum, fp) |
6131622e | 611 | int regnum; |
746d1df4 SG |
612 | void *fp; |
613 | { | |
614 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
615 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
616 | int format = (int)fp; | |
617 | ||
618 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
619 | { | |
6131622e | 620 | Tcl_DStringAppendElement (result_ptr, "Optimized out"); |
746d1df4 SG |
621 | return; |
622 | } | |
623 | ||
746d1df4 SG |
624 | /* Convert raw data to virtual format if necessary. */ |
625 | ||
626 | if (REGISTER_CONVERTIBLE (regnum)) | |
627 | { | |
628 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
629 | raw_buffer, virtual_buffer); | |
630 | } | |
631 | else | |
632 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
633 | ||
634 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, | |
635 | gdb_stdout, format, 1, 0, Val_pretty_default); | |
636 | ||
6131622e | 637 | Tcl_DStringAppend (result_ptr, " ", -1); |
746d1df4 SG |
638 | } |
639 | ||
640 | static int | |
641 | gdb_fetch_registers (clientData, interp, argc, argv) | |
642 | ClientData clientData; | |
643 | Tcl_Interp *interp; | |
644 | int argc; | |
645 | char *argv[]; | |
646 | { | |
647 | int format; | |
648 | ||
649 | if (argc < 2) | |
6131622e | 650 | error ("wrong # args"); |
5b21fb68 | 651 | |
746d1df4 SG |
652 | argc--; |
653 | argv++; | |
5b21fb68 | 654 | |
746d1df4 SG |
655 | argc--; |
656 | format = **argv++; | |
657 | ||
658 | return map_arg_registers (argc, argv, get_register, format); | |
659 | } | |
660 | ||
661 | /* This contains the previous values of the registers, since the last call to | |
662 | gdb_changed_register_list. */ | |
663 | ||
664 | static char old_regs[REGISTER_BYTES]; | |
665 | ||
6131622e | 666 | static void |
746d1df4 | 667 | register_changed_p (regnum, argp) |
6131622e | 668 | int regnum; |
746d1df4 SG |
669 | void *argp; /* Ignored */ |
670 | { | |
671 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
672 | char buf[100]; | |
673 | ||
674 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
675 | return; | |
676 | ||
677 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
678 | REGISTER_RAW_SIZE (regnum)) == 0) | |
679 | return; | |
680 | ||
fda6fadc | 681 | /* Found a changed register. Save new value and return its number. */ |
746d1df4 SG |
682 | |
683 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
684 | REGISTER_RAW_SIZE (regnum)); | |
685 | ||
9468f8aa | 686 | dsprintf_append_element (result_ptr, "%d", regnum); |
746d1df4 SG |
687 | } |
688 | ||
689 | static int | |
690 | gdb_changed_register_list (clientData, interp, argc, argv) | |
691 | ClientData clientData; | |
692 | Tcl_Interp *interp; | |
693 | int argc; | |
694 | char *argv[]; | |
695 | { | |
746d1df4 SG |
696 | argc--; |
697 | argv++; | |
698 | ||
699 | return map_arg_registers (argc, argv, register_changed_p, NULL); | |
5b21fb68 SG |
700 | } |
701 | \f | |
fda6fadc | 702 | /* This implements the TCL command `gdb_cmd', which sends its argument into |
754e5da2 SG |
703 | the GDB command scanner. */ |
704 | ||
705 | static int | |
706 | gdb_cmd (clientData, interp, argc, argv) | |
707 | ClientData clientData; | |
708 | Tcl_Interp *interp; | |
709 | int argc; | |
710 | char *argv[]; | |
711 | { | |
754e5da2 | 712 | if (argc != 2) |
6131622e | 713 | error ("wrong # args"); |
754e5da2 | 714 | |
fda6fadc SS |
715 | if (running_now) |
716 | return TCL_OK; | |
717 | ||
86db943c | 718 | execute_command (argv[1], 1); |
479f0f18 | 719 | |
754e5da2 | 720 | bpstat_do_actions (&stop_bpstat); |
754e5da2 | 721 | |
754e5da2 SG |
722 | return TCL_OK; |
723 | } | |
724 | ||
86db943c SG |
725 | /* This routine acts as a top-level for all GDB code called by tcl/Tk. It |
726 | handles cleanups, and calls to return_to_top_level (usually via error). | |
727 | This is necessary in order to prevent a longjmp out of the bowels of Tk, | |
728 | possibly leaving things in a bad state. Since this routine can be called | |
729 | recursively, it needs to save and restore the contents of the jmp_buf as | |
730 | necessary. */ | |
731 | ||
732 | static int | |
733 | call_wrapper (clientData, interp, argc, argv) | |
734 | ClientData clientData; | |
735 | Tcl_Interp *interp; | |
736 | int argc; | |
737 | char *argv[]; | |
738 | { | |
739 | int val; | |
740 | struct cleanup *saved_cleanup_chain; | |
741 | Tcl_CmdProc *func; | |
742 | jmp_buf saved_error_return; | |
6131622e SG |
743 | Tcl_DString result, *old_result_ptr; |
744 | ||
745 | Tcl_DStringInit (&result); | |
746 | old_result_ptr = result_ptr; | |
747 | result_ptr = &result; | |
86db943c SG |
748 | |
749 | func = (Tcl_CmdProc *)clientData; | |
750 | memcpy (saved_error_return, error_return, sizeof (jmp_buf)); | |
751 | ||
752 | saved_cleanup_chain = save_cleanups (); | |
753 | ||
754 | if (!setjmp (error_return)) | |
755 | val = func (clientData, interp, argc, argv); | |
756 | else | |
757 | { | |
758 | val = TCL_ERROR; /* Flag an error for TCL */ | |
759 | ||
86db943c SG |
760 | gdb_flush (gdb_stderr); /* Flush error output */ |
761 | ||
09722039 SG |
762 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
763 | ||
fda6fadc SS |
764 | /* In case of an error, we may need to force the GUI into idle |
765 | mode because gdbtk_call_command may have bombed out while in | |
766 | the command routine. */ | |
86db943c | 767 | |
4e327047 | 768 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
86db943c SG |
769 | } |
770 | ||
771 | do_cleanups (ALL_CLEANUPS); | |
772 | ||
773 | restore_cleanups (saved_cleanup_chain); | |
774 | ||
775 | memcpy (error_return, saved_error_return, sizeof (jmp_buf)); | |
776 | ||
6131622e SG |
777 | Tcl_DStringResult (interp, &result); |
778 | result_ptr = old_result_ptr; | |
779 | ||
86db943c SG |
780 | return val; |
781 | } | |
782 | ||
754e5da2 SG |
783 | static int |
784 | gdb_listfiles (clientData, interp, argc, argv) | |
785 | ClientData clientData; | |
786 | Tcl_Interp *interp; | |
787 | int argc; | |
788 | char *argv[]; | |
789 | { | |
754e5da2 SG |
790 | struct objfile *objfile; |
791 | struct partial_symtab *psymtab; | |
546b8ca7 | 792 | struct symtab *symtab; |
754e5da2 SG |
793 | |
794 | ALL_PSYMTABS (objfile, psymtab) | |
6131622e | 795 | Tcl_DStringAppendElement (result_ptr, psymtab->filename); |
754e5da2 | 796 | |
546b8ca7 | 797 | ALL_SYMTABS (objfile, symtab) |
6131622e | 798 | Tcl_DStringAppendElement (result_ptr, symtab->filename); |
546b8ca7 | 799 | |
754e5da2 SG |
800 | return TCL_OK; |
801 | } | |
479f0f18 SG |
802 | |
803 | static int | |
804 | gdb_stop (clientData, interp, argc, argv) | |
805 | ClientData clientData; | |
806 | Tcl_Interp *interp; | |
807 | int argc; | |
808 | char *argv[]; | |
809 | { | |
6c27841f | 810 | target_stop (); |
546b8ca7 SG |
811 | |
812 | return TCL_OK; | |
479f0f18 | 813 | } |
09722039 SG |
814 | \f |
815 | /* This implements the TCL command `gdb_disassemble'. */ | |
479f0f18 | 816 | |
09722039 SG |
817 | static int |
818 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) | |
819 | bfd_vma memaddr; | |
820 | bfd_byte *myaddr; | |
821 | int len; | |
822 | disassemble_info *info; | |
823 | { | |
824 | extern struct target_ops exec_ops; | |
825 | int res; | |
826 | ||
827 | errno = 0; | |
828 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); | |
829 | ||
830 | if (res == len) | |
831 | return 0; | |
832 | else | |
833 | if (errno == 0) | |
834 | return EIO; | |
835 | else | |
836 | return errno; | |
837 | } | |
838 | ||
839 | /* We need a different sort of line table from the normal one cuz we can't | |
840 | depend upon implicit line-end pc's for lines. This is because of the | |
841 | reordering we are about to do. */ | |
842 | ||
843 | struct my_line_entry { | |
844 | int line; | |
845 | CORE_ADDR start_pc; | |
846 | CORE_ADDR end_pc; | |
847 | }; | |
848 | ||
849 | static int | |
850 | compare_lines (mle1p, mle2p) | |
851 | const PTR mle1p; | |
852 | const PTR mle2p; | |
853 | { | |
854 | struct my_line_entry *mle1, *mle2; | |
855 | int val; | |
856 | ||
857 | mle1 = (struct my_line_entry *) mle1p; | |
858 | mle2 = (struct my_line_entry *) mle2p; | |
859 | ||
860 | val = mle1->line - mle2->line; | |
861 | ||
862 | if (val != 0) | |
863 | return val; | |
864 | ||
865 | return mle1->start_pc - mle2->start_pc; | |
866 | } | |
867 | ||
868 | static int | |
869 | gdb_disassemble (clientData, interp, argc, argv) | |
870 | ClientData clientData; | |
871 | Tcl_Interp *interp; | |
872 | int argc; | |
873 | char *argv[]; | |
874 | { | |
875 | CORE_ADDR pc, low, high; | |
876 | int mixed_source_and_assembly; | |
fc941258 DE |
877 | static disassemble_info di; |
878 | static int di_initialized; | |
879 | ||
880 | if (! di_initialized) | |
881 | { | |
810b984d DE |
882 | INIT_DISASSEMBLE_INFO (di, gdb_stdout, |
883 | (fprintf_ftype) fprintf_unfiltered); | |
fc941258 DE |
884 | di.memory_error_func = dis_asm_memory_error; |
885 | di.print_address_func = dis_asm_print_address; | |
886 | di_initialized = 1; | |
887 | } | |
09722039 SG |
888 | |
889 | if (argc != 3 && argc != 4) | |
6131622e | 890 | error ("wrong # args"); |
09722039 SG |
891 | |
892 | if (strcmp (argv[1], "source") == 0) | |
893 | mixed_source_and_assembly = 1; | |
894 | else if (strcmp (argv[1], "nosource") == 0) | |
895 | mixed_source_and_assembly = 0; | |
896 | else | |
6131622e | 897 | error ("First arg must be 'source' or 'nosource'"); |
09722039 SG |
898 | |
899 | low = parse_and_eval_address (argv[2]); | |
900 | ||
901 | if (argc == 3) | |
902 | { | |
903 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) | |
6131622e | 904 | error ("No function contains specified address"); |
09722039 SG |
905 | } |
906 | else | |
907 | high = parse_and_eval_address (argv[3]); | |
908 | ||
909 | /* If disassemble_from_exec == -1, then we use the following heuristic to | |
910 | determine whether or not to do disassembly from target memory or from the | |
911 | exec file: | |
912 | ||
913 | If we're debugging a local process, read target memory, instead of the | |
914 | exec file. This makes disassembly of functions in shared libs work | |
915 | correctly. | |
916 | ||
917 | Else, we're debugging a remote process, and should disassemble from the | |
fda6fadc | 918 | exec file for speed. However, this is no good if the target modifies its |
09722039 SG |
919 | code (for relocation, or whatever). |
920 | */ | |
921 | ||
922 | if (disassemble_from_exec == -1) | |
923 | if (strcmp (target_shortname, "child") == 0 | |
d7c4766c SS |
924 | || strcmp (target_shortname, "procfs") == 0 |
925 | || strcmp (target_shortname, "vxprocess") == 0) | |
09722039 SG |
926 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
927 | else | |
928 | disassemble_from_exec = 1; /* It's remote, read the exec file */ | |
929 | ||
930 | if (disassemble_from_exec) | |
a76ef70a SG |
931 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
932 | else | |
933 | di.read_memory_func = dis_asm_read_memory; | |
09722039 SG |
934 | |
935 | /* If just doing straight assembly, all we need to do is disassemble | |
936 | everything between low and high. If doing mixed source/assembly, we've | |
937 | got a totally different path to follow. */ | |
938 | ||
939 | if (mixed_source_and_assembly) | |
940 | { /* Come here for mixed source/assembly */ | |
941 | /* The idea here is to present a source-O-centric view of a function to | |
942 | the user. This means that things are presented in source order, with | |
943 | (possibly) out of order assembly immediately following. */ | |
944 | struct symtab *symtab; | |
945 | struct linetable_entry *le; | |
946 | int nlines; | |
c81a3fa9 | 947 | int newlines; |
09722039 SG |
948 | struct my_line_entry *mle; |
949 | struct symtab_and_line sal; | |
950 | int i; | |
951 | int out_of_order; | |
c81a3fa9 | 952 | int next_line; |
09722039 SG |
953 | |
954 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ | |
955 | ||
956 | if (!symtab) | |
957 | goto assembly_only; | |
958 | ||
959 | /* First, convert the linetable to a bunch of my_line_entry's. */ | |
960 | ||
961 | le = symtab->linetable->item; | |
962 | nlines = symtab->linetable->nitems; | |
963 | ||
964 | if (nlines <= 0) | |
965 | goto assembly_only; | |
966 | ||
967 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); | |
968 | ||
969 | out_of_order = 0; | |
970 | ||
c81a3fa9 SG |
971 | /* Copy linetable entries for this function into our data structure, creating |
972 | end_pc's and setting out_of_order as appropriate. */ | |
973 | ||
974 | /* First, skip all the preceding functions. */ | |
975 | ||
976 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; | |
977 | ||
978 | /* Now, copy all entries before the end of this function. */ | |
979 | ||
980 | newlines = 0; | |
981 | for (; i < nlines - 1 && le[i].pc < high; i++) | |
09722039 | 982 | { |
c81a3fa9 SG |
983 | if (le[i].line == le[i + 1].line |
984 | && le[i].pc == le[i + 1].pc) | |
985 | continue; /* Ignore duplicates */ | |
986 | ||
987 | mle[newlines].line = le[i].line; | |
09722039 SG |
988 | if (le[i].line > le[i + 1].line) |
989 | out_of_order = 1; | |
c81a3fa9 SG |
990 | mle[newlines].start_pc = le[i].pc; |
991 | mle[newlines].end_pc = le[i + 1].pc; | |
992 | newlines++; | |
09722039 SG |
993 | } |
994 | ||
c81a3fa9 SG |
995 | /* If we're on the last line, and it's part of the function, then we need to |
996 | get the end pc in a special way. */ | |
997 | ||
998 | if (i == nlines - 1 | |
999 | && le[i].pc < high) | |
1000 | { | |
1001 | mle[newlines].line = le[i].line; | |
1002 | mle[newlines].start_pc = le[i].pc; | |
1003 | sal = find_pc_line (le[i].pc, 0); | |
1004 | mle[newlines].end_pc = sal.end; | |
1005 | newlines++; | |
1006 | } | |
09722039 SG |
1007 | |
1008 | /* Now, sort mle by line #s (and, then by addresses within lines). */ | |
1009 | ||
1010 | if (out_of_order) | |
c81a3fa9 | 1011 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
09722039 SG |
1012 | |
1013 | /* Now, for each line entry, emit the specified lines (unless they have been | |
1014 | emitted before), followed by the assembly code for that line. */ | |
1015 | ||
c81a3fa9 SG |
1016 | next_line = 0; /* Force out first line */ |
1017 | for (i = 0; i < newlines; i++) | |
09722039 | 1018 | { |
c81a3fa9 SG |
1019 | /* Print out everything from next_line to the current line. */ |
1020 | ||
1021 | if (mle[i].line >= next_line) | |
09722039 | 1022 | { |
c81a3fa9 SG |
1023 | if (next_line != 0) |
1024 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); | |
09722039 | 1025 | else |
c81a3fa9 SG |
1026 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
1027 | ||
1028 | next_line = mle[i].line + 1; | |
09722039 | 1029 | } |
c81a3fa9 | 1030 | |
09722039 SG |
1031 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
1032 | { | |
1033 | QUIT; | |
1034 | fputs_unfiltered (" ", gdb_stdout); | |
1035 | print_address (pc, gdb_stdout); | |
1036 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1037 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1038 | fputs_unfiltered ("\n", gdb_stdout); |
1039 | } | |
1040 | } | |
1041 | } | |
1042 | else | |
1043 | { | |
1044 | assembly_only: | |
1045 | for (pc = low; pc < high; ) | |
1046 | { | |
1047 | QUIT; | |
1048 | fputs_unfiltered (" ", gdb_stdout); | |
1049 | print_address (pc, gdb_stdout); | |
1050 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1051 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1052 | fputs_unfiltered ("\n", gdb_stdout); |
1053 | } | |
1054 | } | |
1055 | ||
09722039 SG |
1056 | gdb_flush (gdb_stdout); |
1057 | ||
1058 | return TCL_OK; | |
1059 | } | |
754e5da2 SG |
1060 | \f |
1061 | static void | |
1062 | tk_command (cmd, from_tty) | |
1063 | char *cmd; | |
1064 | int from_tty; | |
1065 | { | |
546b8ca7 SG |
1066 | int retval; |
1067 | char *result; | |
1068 | struct cleanup *old_chain; | |
1069 | ||
572977a5 FF |
1070 | /* Catch case of no argument, since this will make the tcl interpreter dump core. */ |
1071 | if (cmd == NULL) | |
1072 | error_no_arg ("tcl command to interpret"); | |
1073 | ||
546b8ca7 SG |
1074 | retval = Tcl_Eval (interp, cmd); |
1075 | ||
1076 | result = strdup (interp->result); | |
754e5da2 | 1077 | |
546b8ca7 SG |
1078 | old_chain = make_cleanup (free, result); |
1079 | ||
1080 | if (retval != TCL_OK) | |
1081 | error (result); | |
1082 | ||
1083 | printf_unfiltered ("%s\n", result); | |
1084 | ||
1085 | do_cleanups (old_chain); | |
754e5da2 SG |
1086 | } |
1087 | ||
1088 | static void | |
1089 | cleanup_init (ignored) | |
1090 | int ignored; | |
1091 | { | |
1092 | if (mainWindow != NULL) | |
1093 | Tk_DestroyWindow (mainWindow); | |
1094 | mainWindow = NULL; | |
1095 | ||
1096 | if (interp != NULL) | |
1097 | Tcl_DeleteInterp (interp); | |
1098 | interp = NULL; | |
1099 | } | |
1100 | ||
637b1661 SG |
1101 | /* Come here during long calculations to check for GUI events. Usually invoked |
1102 | via the QUIT macro. */ | |
1103 | ||
1104 | static void | |
1105 | gdbtk_interactive () | |
1106 | { | |
1107 | /* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */ | |
1108 | } | |
1109 | ||
479f0f18 SG |
1110 | /* Come here when there is activity on the X file descriptor. */ |
1111 | ||
1112 | static void | |
1113 | x_event (signo) | |
1114 | int signo; | |
1115 | { | |
1116 | /* Process pending events */ | |
1117 | ||
1118 | while (Tk_DoOneEvent (TK_DONT_WAIT|TK_ALL_EVENTS) != 0); | |
1119 | } | |
1120 | ||
1121 | static int | |
1122 | gdbtk_wait (pid, ourstatus) | |
1123 | int pid; | |
1124 | struct target_waitstatus *ourstatus; | |
1125 | { | |
736a82e7 SG |
1126 | struct sigaction action; |
1127 | static sigset_t nullsigmask = {0}; | |
1128 | ||
1129 | #ifndef SA_RESTART | |
1130 | /* Needed for SunOS 4.1.x */ | |
1131 | #define SA_RESTART 0 | |
546b8ca7 | 1132 | #endif |
479f0f18 | 1133 | |
736a82e7 SG |
1134 | action.sa_handler = x_event; |
1135 | action.sa_mask = nullsigmask; | |
1136 | action.sa_flags = SA_RESTART; | |
1137 | sigaction(SIGIO, &action, NULL); | |
1138 | ||
479f0f18 SG |
1139 | pid = target_wait (pid, ourstatus); |
1140 | ||
736a82e7 SG |
1141 | action.sa_handler = SIG_IGN; |
1142 | sigaction(SIGIO, &action, NULL); | |
479f0f18 SG |
1143 | |
1144 | return pid; | |
1145 | } | |
1146 | ||
1147 | /* This is called from execute_command, and provides a wrapper around | |
1148 | various command routines in a place where both protocol messages and | |
1149 | user input both flow through. Mostly this is used for indicating whether | |
1150 | the target process is running or not. | |
1151 | */ | |
1152 | ||
1153 | static void | |
1154 | gdbtk_call_command (cmdblk, arg, from_tty) | |
1155 | struct cmd_list_element *cmdblk; | |
1156 | char *arg; | |
1157 | int from_tty; | |
1158 | { | |
fda6fadc | 1159 | running_now = 0; |
479f0f18 SG |
1160 | if (cmdblk->class == class_run) |
1161 | { | |
fda6fadc | 1162 | running_now = 1; |
4e327047 | 1163 | Tcl_Eval (interp, "gdbtk_tcl_busy"); |
479f0f18 | 1164 | (*cmdblk->function.cfunc)(arg, from_tty); |
4e327047 | 1165 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
fda6fadc | 1166 | running_now = 0; |
479f0f18 SG |
1167 | } |
1168 | else | |
1169 | (*cmdblk->function.cfunc)(arg, from_tty); | |
1170 | } | |
1171 | ||
5bac2b50 FF |
1172 | /* This function is called instead of gdb's internal command loop. This is the |
1173 | last chance to do anything before entering the main Tk event loop. */ | |
1174 | ||
1175 | static void | |
1176 | tk_command_loop () | |
1177 | { | |
41756e56 FF |
1178 | extern GDB_FILE *instream; |
1179 | ||
1180 | /* We no longer want to use stdin as the command input stream */ | |
1181 | instream = NULL; | |
5bac2b50 FF |
1182 | Tcl_Eval (interp, "gdbtk_tcl_preloop"); |
1183 | Tk_MainLoop (); | |
1184 | } | |
1185 | ||
754e5da2 SG |
1186 | static void |
1187 | gdbtk_init () | |
1188 | { | |
1189 | struct cleanup *old_chain; | |
1190 | char *gdbtk_filename; | |
479f0f18 | 1191 | int i; |
736a82e7 SG |
1192 | struct sigaction action; |
1193 | static sigset_t nullsigmask = {0}; | |
754e5da2 SG |
1194 | |
1195 | old_chain = make_cleanup (cleanup_init, 0); | |
1196 | ||
1197 | /* First init tcl and tk. */ | |
1198 | ||
1199 | interp = Tcl_CreateInterp (); | |
1200 | ||
1201 | if (!interp) | |
1202 | error ("Tcl_CreateInterp failed"); | |
1203 | ||
1204 | mainWindow = Tk_CreateMainWindow (interp, NULL, "gdb", "Gdb"); | |
1205 | ||
1206 | if (!mainWindow) | |
1207 | return; /* DISPLAY probably not set */ | |
1208 | ||
1209 | if (Tcl_Init(interp) != TCL_OK) | |
1210 | error ("Tcl_Init failed: %s", interp->result); | |
1211 | ||
1212 | if (Tk_Init(interp) != TCL_OK) | |
1213 | error ("Tk_Init failed: %s", interp->result); | |
1214 | ||
86db943c SG |
1215 | Tcl_CreateCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
1216 | Tcl_CreateCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); | |
1217 | Tcl_CreateCommand (interp, "gdb_sourcelines", call_wrapper, gdb_sourcelines, | |
1218 | NULL); | |
1219 | Tcl_CreateCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, | |
746d1df4 | 1220 | NULL); |
86db943c SG |
1221 | Tcl_CreateCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
1222 | Tcl_CreateCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); | |
1223 | Tcl_CreateCommand (interp, "gdb_fetch_registers", call_wrapper, | |
1224 | gdb_fetch_registers, NULL); | |
1225 | Tcl_CreateCommand (interp, "gdb_changed_register_list", call_wrapper, | |
1226 | gdb_changed_register_list, NULL); | |
09722039 SG |
1227 | Tcl_CreateCommand (interp, "gdb_disassemble", call_wrapper, |
1228 | gdb_disassemble, NULL); | |
1229 | Tcl_CreateCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); | |
6131622e SG |
1230 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
1231 | gdb_get_breakpoint_list, NULL); | |
1232 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper, | |
1233 | gdb_get_breakpoint_info, NULL); | |
754e5da2 | 1234 | |
5bac2b50 | 1235 | command_loop_hook = tk_command_loop; |
09722039 SG |
1236 | print_frame_info_listing_hook = null_routine; |
1237 | query_hook = gdbtk_query; | |
1238 | flush_hook = gdbtk_flush; | |
1239 | create_breakpoint_hook = gdbtk_create_breakpoint; | |
1240 | delete_breakpoint_hook = gdbtk_delete_breakpoint; | |
6131622e | 1241 | modify_breakpoint_hook = gdbtk_modify_breakpoint; |
09722039 SG |
1242 | interactive_hook = gdbtk_interactive; |
1243 | target_wait_hook = gdbtk_wait; | |
1244 | call_command_hook = gdbtk_call_command; | |
41756e56 FF |
1245 | readline_begin_hook = gdbtk_readline_begin; |
1246 | readline_hook = gdbtk_readline; | |
1247 | readline_end_hook = gdbtk_readline_end; | |
754e5da2 | 1248 | |
cd2df226 | 1249 | /* Get the file descriptor for the X server */ |
479f0f18 | 1250 | |
cd2df226 | 1251 | x_fd = ConnectionNumber (Tk_Display (mainWindow)); |
479f0f18 SG |
1252 | |
1253 | /* Setup for I/O interrupts */ | |
1254 | ||
736a82e7 SG |
1255 | action.sa_mask = nullsigmask; |
1256 | action.sa_flags = 0; | |
1257 | action.sa_handler = SIG_IGN; | |
1258 | sigaction(SIGIO, &action, NULL); | |
1259 | ||
1260 | #ifdef FIOASYNC | |
1261 | i = 1; | |
1262 | if (ioctl (x_fd, FIOASYNC, &i)) | |
1263 | perror_with_name ("gdbtk_init: ioctl FIOASYNC failed"); | |
479f0f18 | 1264 | |
77a89957 | 1265 | #ifdef SIOCSPGRP |
736a82e7 SG |
1266 | i = getpid(); |
1267 | if (ioctl (x_fd, SIOCSPGRP, &i)) | |
1268 | perror_with_name ("gdbtk_init: ioctl SIOCSPGRP failed"); | |
45f90c50 MM |
1269 | |
1270 | #else | |
1271 | #ifdef F_SETOWN | |
1272 | i = getpid(); | |
1273 | if (fcntl (x_fd, F_SETOWN, i)) | |
1274 | perror_with_name ("gdbtk_init: fcntl F_SETOWN failed"); | |
1275 | #endif /* F_SETOWN */ | |
1276 | #endif /* !SIOCSPGRP */ | |
546b8ca7 SG |
1277 | #else |
1278 | if (ioctl (x_fd, I_SETSIG, S_INPUT|S_RDNORM) < 0) | |
736a82e7 SG |
1279 | perror_with_name ("gdbtk_init: ioctl I_SETSIG failed"); |
1280 | #endif /* ifndef FIOASYNC */ | |
479f0f18 | 1281 | |
754e5da2 SG |
1282 | add_com ("tk", class_obscure, tk_command, |
1283 | "Send a command directly into tk."); | |
09722039 | 1284 | |
09722039 SG |
1285 | Tcl_LinkVar (interp, "disassemble-from-exec", (char *)&disassemble_from_exec, |
1286 | TCL_LINK_INT); | |
1287 | ||
1288 | /* Load up gdbtk.tcl after all the environment stuff has been setup. */ | |
1289 | ||
1290 | gdbtk_filename = getenv ("GDBTK_FILENAME"); | |
1291 | if (!gdbtk_filename) | |
1292 | if (access ("gdbtk.tcl", R_OK) == 0) | |
1293 | gdbtk_filename = "gdbtk.tcl"; | |
1294 | else | |
1295 | gdbtk_filename = GDBTK_FILENAME; | |
1296 | ||
724498fd SG |
1297 | /* Defer setup of fputs_unfiltered_hook to near the end so that error messages |
1298 | prior to this point go to stdout/stderr. */ | |
1299 | ||
1300 | fputs_unfiltered_hook = gdbtk_fputs; | |
1301 | ||
09722039 | 1302 | if (Tcl_EvalFile (interp, gdbtk_filename) != TCL_OK) |
724498fd SG |
1303 | { |
1304 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1305 | ||
1306 | fprintf_unfiltered (stderr, "%s:%d: %s\n", gdbtk_filename, | |
1307 | interp->errorLine, interp->result); | |
b66051ec SG |
1308 | |
1309 | fputs_unfiltered ("Stack trace:\n", gdb_stderr); | |
1310 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1311 | error (""); | |
724498fd | 1312 | } |
09722039 SG |
1313 | |
1314 | discard_cleanups (old_chain); | |
754e5da2 SG |
1315 | } |
1316 | ||
3f37b696 | 1317 | /* Come here during initialize_all_files () */ |
754e5da2 SG |
1318 | |
1319 | void | |
1320 | _initialize_gdbtk () | |
1321 | { | |
c5197511 SG |
1322 | if (use_windows) |
1323 | { | |
1324 | /* Tell the rest of the world that Gdbtk is now set up. */ | |
754e5da2 | 1325 | |
c5197511 SG |
1326 | init_ui_hook = gdbtk_init; |
1327 | } | |
754e5da2 | 1328 | } |