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 MM |
52 | /* Some versions (1.3.79, 1.3.81) of Linux don't support SIOCSPGRP the way |
53 | gdbtk wants to us it... */ | |
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 | } | |
186 | \f | |
6131622e | 187 | static void |
73d3dbd4 | 188 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
189 | dsprintf_append_element (Tcl_DString *dsp, char *format, ...) |
190 | #else | |
6131622e SG |
191 | dsprintf_append_element (va_alist) |
192 | va_dcl | |
85c613aa | 193 | #endif |
6131622e SG |
194 | { |
195 | va_list args; | |
85c613aa C |
196 | char buf[1024]; |
197 | ||
73d3dbd4 | 198 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
199 | va_start (args, format); |
200 | #else | |
6131622e SG |
201 | Tcl_DString *dsp; |
202 | char *format; | |
6131622e SG |
203 | |
204 | va_start (args); | |
6131622e SG |
205 | dsp = va_arg (args, Tcl_DString *); |
206 | format = va_arg (args, char *); | |
85c613aa | 207 | #endif |
6131622e SG |
208 | |
209 | vsprintf (buf, format, args); | |
210 | ||
211 | Tcl_DStringAppendElement (dsp, buf); | |
212 | } | |
213 | ||
214 | static int | |
215 | gdb_get_breakpoint_list (clientData, interp, argc, argv) | |
216 | ClientData clientData; | |
217 | Tcl_Interp *interp; | |
218 | int argc; | |
219 | char *argv[]; | |
220 | { | |
221 | struct breakpoint *b; | |
222 | extern struct breakpoint *breakpoint_chain; | |
223 | ||
224 | if (argc != 1) | |
225 | error ("wrong # args"); | |
226 | ||
227 | for (b = breakpoint_chain; b; b = b->next) | |
228 | if (b->type == bp_breakpoint) | |
229 | dsprintf_append_element (result_ptr, "%d", b->number); | |
230 | ||
231 | return TCL_OK; | |
232 | } | |
233 | ||
234 | static int | |
235 | gdb_get_breakpoint_info (clientData, interp, argc, argv) | |
236 | ClientData clientData; | |
237 | Tcl_Interp *interp; | |
238 | int argc; | |
239 | char *argv[]; | |
240 | { | |
241 | struct symtab_and_line sal; | |
242 | static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", | |
243 | "finish", "watchpoint", "hardware watchpoint", | |
244 | "read watchpoint", "access watchpoint", | |
245 | "longjmp", "longjmp resume", "step resume", | |
246 | "through sigtramp", "watchpoint scope", | |
247 | "call dummy" }; | |
248 | static char *bpdisp[] = {"delete", "disable", "donttouch"}; | |
249 | struct command_line *cmd; | |
250 | int bpnum; | |
251 | struct breakpoint *b; | |
252 | extern struct breakpoint *breakpoint_chain; | |
253 | ||
254 | if (argc != 2) | |
255 | error ("wrong # args"); | |
256 | ||
257 | bpnum = atoi (argv[1]); | |
258 | ||
259 | for (b = breakpoint_chain; b; b = b->next) | |
260 | if (b->number == bpnum) | |
261 | break; | |
262 | ||
9468f8aa | 263 | if (!b || b->type != bp_breakpoint) |
6131622e SG |
264 | error ("Breakpoint #%d does not exist", bpnum); |
265 | ||
6131622e SG |
266 | sal = find_pc_line (b->address, 0); |
267 | ||
268 | Tcl_DStringAppendElement (result_ptr, symtab_to_filename (sal.symtab)); | |
269 | dsprintf_append_element (result_ptr, "%d", sal.line); | |
270 | dsprintf_append_element (result_ptr, "0x%lx", b->address); | |
271 | Tcl_DStringAppendElement (result_ptr, bptypes[b->type]); | |
272 | Tcl_DStringAppendElement (result_ptr, b->enable == enabled ? "1" : "0"); | |
273 | Tcl_DStringAppendElement (result_ptr, bpdisp[b->disposition]); | |
274 | dsprintf_append_element (result_ptr, "%d", b->silent); | |
275 | dsprintf_append_element (result_ptr, "%d", b->ignore_count); | |
276 | ||
277 | Tcl_DStringStartSublist (result_ptr); | |
278 | for (cmd = b->commands; cmd; cmd = cmd->next) | |
279 | Tcl_DStringAppendElement (result_ptr, cmd->line); | |
280 | Tcl_DStringEndSublist (result_ptr); | |
281 | ||
282 | Tcl_DStringAppendElement (result_ptr, b->cond_string); | |
283 | ||
284 | dsprintf_append_element (result_ptr, "%d", b->thread); | |
285 | dsprintf_append_element (result_ptr, "%d", b->hit_count); | |
286 | ||
287 | return TCL_OK; | |
288 | } | |
289 | ||
754e5da2 SG |
290 | static void |
291 | breakpoint_notify(b, action) | |
292 | struct breakpoint *b; | |
293 | const char *action; | |
294 | { | |
6131622e | 295 | char buf[100]; |
754e5da2 SG |
296 | int v; |
297 | ||
298 | if (b->type != bp_breakpoint) | |
299 | return; | |
300 | ||
4e327047 TT |
301 | /* We ensure that ACTION contains no special Tcl characters, so we |
302 | can do this. */ | |
6131622e | 303 | sprintf (buf, "gdbtk_tcl_breakpoint %s %d", action, b->number); |
754e5da2 | 304 | |
6131622e | 305 | v = Tcl_Eval (interp, buf); |
754e5da2 SG |
306 | |
307 | if (v != TCL_OK) | |
308 | { | |
546b8ca7 SG |
309 | gdbtk_fputs (interp->result, gdb_stdout); |
310 | gdbtk_fputs ("\n", gdb_stdout); | |
754e5da2 | 311 | } |
754e5da2 SG |
312 | } |
313 | ||
314 | static void | |
315 | gdbtk_create_breakpoint(b) | |
316 | struct breakpoint *b; | |
317 | { | |
6131622e | 318 | breakpoint_notify (b, "create"); |
754e5da2 SG |
319 | } |
320 | ||
321 | static void | |
322 | gdbtk_delete_breakpoint(b) | |
323 | struct breakpoint *b; | |
324 | { | |
6131622e | 325 | breakpoint_notify (b, "delete"); |
754e5da2 SG |
326 | } |
327 | ||
328 | static void | |
6131622e | 329 | gdbtk_modify_breakpoint(b) |
754e5da2 SG |
330 | struct breakpoint *b; |
331 | { | |
6131622e | 332 | breakpoint_notify (b, "modify"); |
754e5da2 SG |
333 | } |
334 | \f | |
335 | /* This implements the TCL command `gdb_loc', which returns a list consisting | |
336 | of the source and line number associated with the current pc. */ | |
337 | ||
338 | static int | |
339 | gdb_loc (clientData, interp, argc, argv) | |
340 | ClientData clientData; | |
341 | Tcl_Interp *interp; | |
342 | int argc; | |
343 | char *argv[]; | |
344 | { | |
345 | char *filename; | |
754e5da2 SG |
346 | struct symtab_and_line sal; |
347 | char *funcname; | |
8532893d | 348 | CORE_ADDR pc; |
754e5da2 SG |
349 | |
350 | if (argc == 1) | |
351 | { | |
1dfc8dfb | 352 | pc = selected_frame ? selected_frame->pc : stop_pc; |
754e5da2 SG |
353 | sal = find_pc_line (pc, 0); |
354 | } | |
355 | else if (argc == 2) | |
356 | { | |
754e5da2 | 357 | struct symtabs_and_lines sals; |
8532893d | 358 | int nelts; |
754e5da2 SG |
359 | |
360 | sals = decode_line_spec (argv[1], 1); | |
361 | ||
8532893d SG |
362 | nelts = sals.nelts; |
363 | sal = sals.sals[0]; | |
364 | free (sals.sals); | |
365 | ||
754e5da2 | 366 | if (sals.nelts != 1) |
6131622e | 367 | error ("Ambiguous line spec"); |
754e5da2 | 368 | |
8532893d | 369 | pc = sal.pc; |
754e5da2 SG |
370 | } |
371 | else | |
6131622e | 372 | error ("wrong # args"); |
754e5da2 | 373 | |
754e5da2 | 374 | if (sal.symtab) |
6131622e | 375 | Tcl_DStringAppendElement (result_ptr, sal.symtab->filename); |
754e5da2 | 376 | else |
6131622e | 377 | Tcl_DStringAppendElement (result_ptr, ""); |
8532893d SG |
378 | |
379 | find_pc_partial_function (pc, &funcname, NULL, NULL); | |
6131622e | 380 | Tcl_DStringAppendElement (result_ptr, funcname); |
8532893d | 381 | |
637b1661 | 382 | filename = symtab_to_filename (sal.symtab); |
6131622e | 383 | Tcl_DStringAppendElement (result_ptr, filename); |
8532893d | 384 | |
9468f8aa | 385 | dsprintf_append_element (result_ptr, "%d", sal.line); /* line number */ |
754e5da2 | 386 | |
9468f8aa | 387 | dsprintf_append_element (result_ptr, "0x%lx", pc); /* PC */ |
8532893d | 388 | |
754e5da2 SG |
389 | return TCL_OK; |
390 | } | |
391 | \f | |
09722039 SG |
392 | /* This implements the TCL command `gdb_eval'. */ |
393 | ||
394 | static int | |
395 | gdb_eval (clientData, interp, argc, argv) | |
396 | ClientData clientData; | |
397 | Tcl_Interp *interp; | |
398 | int argc; | |
399 | char *argv[]; | |
400 | { | |
401 | struct expression *expr; | |
402 | struct cleanup *old_chain; | |
403 | value_ptr val; | |
404 | ||
405 | if (argc != 2) | |
6131622e | 406 | error ("wrong # args"); |
09722039 SG |
407 | |
408 | expr = parse_expression (argv[1]); | |
409 | ||
410 | old_chain = make_cleanup (free_current_contents, &expr); | |
411 | ||
412 | val = evaluate_expression (expr); | |
413 | ||
09722039 SG |
414 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), |
415 | gdb_stdout, 0, 0, 0, 0); | |
09722039 SG |
416 | |
417 | do_cleanups (old_chain); | |
418 | ||
419 | return TCL_OK; | |
420 | } | |
421 | \f | |
5b21fb68 SG |
422 | /* This implements the TCL command `gdb_sourcelines', which returns a list of |
423 | all of the lines containing executable code for the specified source file | |
424 | (ie: lines where you can put breakpoints). */ | |
425 | ||
426 | static int | |
427 | gdb_sourcelines (clientData, interp, argc, argv) | |
428 | ClientData clientData; | |
429 | Tcl_Interp *interp; | |
430 | int argc; | |
431 | char *argv[]; | |
432 | { | |
433 | struct symtab *symtab; | |
434 | struct linetable_entry *le; | |
435 | int nlines; | |
5b21fb68 SG |
436 | |
437 | if (argc != 2) | |
6131622e | 438 | error ("wrong # args"); |
5b21fb68 SG |
439 | |
440 | symtab = lookup_symtab (argv[1]); | |
441 | ||
442 | if (!symtab) | |
6131622e | 443 | error ("No such file"); |
5b21fb68 SG |
444 | |
445 | /* If there's no linetable, or no entries, then we are done. */ | |
446 | ||
447 | if (!symtab->linetable | |
448 | || symtab->linetable->nitems == 0) | |
449 | { | |
6131622e | 450 | Tcl_DStringAppendElement (result_ptr, ""); |
5b21fb68 SG |
451 | return TCL_OK; |
452 | } | |
453 | ||
454 | le = symtab->linetable->item; | |
455 | nlines = symtab->linetable->nitems; | |
456 | ||
457 | for (;nlines > 0; nlines--, le++) | |
458 | { | |
459 | /* If the pc of this line is the same as the pc of the next line, then | |
460 | just skip it. */ | |
461 | if (nlines > 1 | |
462 | && le->pc == (le + 1)->pc) | |
463 | continue; | |
464 | ||
9468f8aa | 465 | dsprintf_append_element (result_ptr, "%d", le->line); |
5b21fb68 SG |
466 | } |
467 | ||
468 | return TCL_OK; | |
469 | } | |
470 | \f | |
746d1df4 SG |
471 | static int |
472 | map_arg_registers (argc, argv, func, argp) | |
473 | int argc; | |
474 | char *argv[]; | |
6131622e | 475 | void (*func) PARAMS ((int regnum, void *argp)); |
746d1df4 SG |
476 | void *argp; |
477 | { | |
478 | int regnum; | |
479 | ||
480 | /* Note that the test for a valid register must include checking the | |
481 | reg_names array because NUM_REGS may be allocated for the union of the | |
482 | register sets within a family of related processors. In this case, the | |
483 | trailing entries of reg_names will change depending upon the particular | |
484 | processor being debugged. */ | |
485 | ||
486 | if (argc == 0) /* No args, just do all the regs */ | |
487 | { | |
488 | for (regnum = 0; | |
489 | regnum < NUM_REGS | |
490 | && reg_names[regnum] != NULL | |
491 | && *reg_names[regnum] != '\000'; | |
492 | regnum++) | |
493 | func (regnum, argp); | |
494 | ||
495 | return TCL_OK; | |
496 | } | |
497 | ||
498 | /* Else, list of register #s, just do listed regs */ | |
499 | for (; argc > 0; argc--, argv++) | |
500 | { | |
501 | regnum = atoi (*argv); | |
502 | ||
503 | if (regnum >= 0 | |
504 | && regnum < NUM_REGS | |
505 | && reg_names[regnum] != NULL | |
506 | && *reg_names[regnum] != '\000') | |
507 | func (regnum, argp); | |
508 | else | |
6131622e | 509 | error ("bad register number"); |
746d1df4 SG |
510 | } |
511 | ||
512 | return TCL_OK; | |
513 | } | |
514 | ||
6131622e | 515 | static void |
746d1df4 SG |
516 | get_register_name (regnum, argp) |
517 | int regnum; | |
518 | void *argp; /* Ignored */ | |
519 | { | |
6131622e | 520 | Tcl_DStringAppendElement (result_ptr, reg_names[regnum]); |
746d1df4 SG |
521 | } |
522 | ||
5b21fb68 SG |
523 | /* This implements the TCL command `gdb_regnames', which returns a list of |
524 | all of the register names. */ | |
525 | ||
526 | static int | |
527 | gdb_regnames (clientData, interp, argc, argv) | |
528 | ClientData clientData; | |
529 | Tcl_Interp *interp; | |
530 | int argc; | |
531 | char *argv[]; | |
532 | { | |
746d1df4 SG |
533 | argc--; |
534 | argv++; | |
535 | ||
536 | return map_arg_registers (argc, argv, get_register_name, 0); | |
537 | } | |
538 | ||
746d1df4 SG |
539 | #ifndef REGISTER_CONVERTIBLE |
540 | #define REGISTER_CONVERTIBLE(x) (0 != 0) | |
541 | #endif | |
542 | ||
543 | #ifndef REGISTER_CONVERT_TO_VIRTUAL | |
544 | #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) | |
545 | #endif | |
546 | ||
547 | #ifndef INVALID_FLOAT | |
548 | #define INVALID_FLOAT(x, y) (0 != 0) | |
549 | #endif | |
550 | ||
6131622e | 551 | static void |
746d1df4 | 552 | get_register (regnum, fp) |
6131622e | 553 | int regnum; |
746d1df4 SG |
554 | void *fp; |
555 | { | |
556 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
557 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
558 | int format = (int)fp; | |
559 | ||
560 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
561 | { | |
6131622e | 562 | Tcl_DStringAppendElement (result_ptr, "Optimized out"); |
746d1df4 SG |
563 | return; |
564 | } | |
565 | ||
746d1df4 SG |
566 | /* Convert raw data to virtual format if necessary. */ |
567 | ||
568 | if (REGISTER_CONVERTIBLE (regnum)) | |
569 | { | |
570 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
571 | raw_buffer, virtual_buffer); | |
572 | } | |
573 | else | |
574 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
575 | ||
576 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, | |
577 | gdb_stdout, format, 1, 0, Val_pretty_default); | |
578 | ||
6131622e | 579 | Tcl_DStringAppend (result_ptr, " ", -1); |
746d1df4 SG |
580 | } |
581 | ||
582 | static int | |
583 | gdb_fetch_registers (clientData, interp, argc, argv) | |
584 | ClientData clientData; | |
585 | Tcl_Interp *interp; | |
586 | int argc; | |
587 | char *argv[]; | |
588 | { | |
589 | int format; | |
590 | ||
591 | if (argc < 2) | |
6131622e | 592 | error ("wrong # args"); |
5b21fb68 | 593 | |
746d1df4 SG |
594 | argc--; |
595 | argv++; | |
5b21fb68 | 596 | |
746d1df4 SG |
597 | argc--; |
598 | format = **argv++; | |
599 | ||
600 | return map_arg_registers (argc, argv, get_register, format); | |
601 | } | |
602 | ||
603 | /* This contains the previous values of the registers, since the last call to | |
604 | gdb_changed_register_list. */ | |
605 | ||
606 | static char old_regs[REGISTER_BYTES]; | |
607 | ||
6131622e | 608 | static void |
746d1df4 | 609 | register_changed_p (regnum, argp) |
6131622e | 610 | int regnum; |
746d1df4 SG |
611 | void *argp; /* Ignored */ |
612 | { | |
613 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
614 | char buf[100]; | |
615 | ||
616 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
617 | return; | |
618 | ||
619 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
620 | REGISTER_RAW_SIZE (regnum)) == 0) | |
621 | return; | |
622 | ||
fda6fadc | 623 | /* Found a changed register. Save new value and return its number. */ |
746d1df4 SG |
624 | |
625 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
626 | REGISTER_RAW_SIZE (regnum)); | |
627 | ||
9468f8aa | 628 | dsprintf_append_element (result_ptr, "%d", regnum); |
746d1df4 SG |
629 | } |
630 | ||
631 | static int | |
632 | gdb_changed_register_list (clientData, interp, argc, argv) | |
633 | ClientData clientData; | |
634 | Tcl_Interp *interp; | |
635 | int argc; | |
636 | char *argv[]; | |
637 | { | |
746d1df4 SG |
638 | argc--; |
639 | argv++; | |
640 | ||
641 | return map_arg_registers (argc, argv, register_changed_p, NULL); | |
5b21fb68 SG |
642 | } |
643 | \f | |
fda6fadc | 644 | /* This implements the TCL command `gdb_cmd', which sends its argument into |
754e5da2 SG |
645 | the GDB command scanner. */ |
646 | ||
647 | static int | |
648 | gdb_cmd (clientData, interp, argc, argv) | |
649 | ClientData clientData; | |
650 | Tcl_Interp *interp; | |
651 | int argc; | |
652 | char *argv[]; | |
653 | { | |
754e5da2 | 654 | if (argc != 2) |
6131622e | 655 | error ("wrong # args"); |
754e5da2 | 656 | |
fda6fadc SS |
657 | if (running_now) |
658 | return TCL_OK; | |
659 | ||
86db943c | 660 | execute_command (argv[1], 1); |
479f0f18 | 661 | |
754e5da2 | 662 | bpstat_do_actions (&stop_bpstat); |
754e5da2 | 663 | |
754e5da2 SG |
664 | return TCL_OK; |
665 | } | |
666 | ||
86db943c SG |
667 | /* This routine acts as a top-level for all GDB code called by tcl/Tk. It |
668 | handles cleanups, and calls to return_to_top_level (usually via error). | |
669 | This is necessary in order to prevent a longjmp out of the bowels of Tk, | |
670 | possibly leaving things in a bad state. Since this routine can be called | |
671 | recursively, it needs to save and restore the contents of the jmp_buf as | |
672 | necessary. */ | |
673 | ||
674 | static int | |
675 | call_wrapper (clientData, interp, argc, argv) | |
676 | ClientData clientData; | |
677 | Tcl_Interp *interp; | |
678 | int argc; | |
679 | char *argv[]; | |
680 | { | |
681 | int val; | |
682 | struct cleanup *saved_cleanup_chain; | |
683 | Tcl_CmdProc *func; | |
684 | jmp_buf saved_error_return; | |
6131622e SG |
685 | Tcl_DString result, *old_result_ptr; |
686 | ||
687 | Tcl_DStringInit (&result); | |
688 | old_result_ptr = result_ptr; | |
689 | result_ptr = &result; | |
86db943c SG |
690 | |
691 | func = (Tcl_CmdProc *)clientData; | |
692 | memcpy (saved_error_return, error_return, sizeof (jmp_buf)); | |
693 | ||
694 | saved_cleanup_chain = save_cleanups (); | |
695 | ||
696 | if (!setjmp (error_return)) | |
697 | val = func (clientData, interp, argc, argv); | |
698 | else | |
699 | { | |
700 | val = TCL_ERROR; /* Flag an error for TCL */ | |
701 | ||
86db943c SG |
702 | gdb_flush (gdb_stderr); /* Flush error output */ |
703 | ||
09722039 SG |
704 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
705 | ||
fda6fadc SS |
706 | /* In case of an error, we may need to force the GUI into idle |
707 | mode because gdbtk_call_command may have bombed out while in | |
708 | the command routine. */ | |
86db943c | 709 | |
4e327047 | 710 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
86db943c SG |
711 | } |
712 | ||
713 | do_cleanups (ALL_CLEANUPS); | |
714 | ||
715 | restore_cleanups (saved_cleanup_chain); | |
716 | ||
717 | memcpy (error_return, saved_error_return, sizeof (jmp_buf)); | |
718 | ||
6131622e SG |
719 | Tcl_DStringResult (interp, &result); |
720 | result_ptr = old_result_ptr; | |
721 | ||
86db943c SG |
722 | return val; |
723 | } | |
724 | ||
754e5da2 SG |
725 | static int |
726 | gdb_listfiles (clientData, interp, argc, argv) | |
727 | ClientData clientData; | |
728 | Tcl_Interp *interp; | |
729 | int argc; | |
730 | char *argv[]; | |
731 | { | |
754e5da2 SG |
732 | struct objfile *objfile; |
733 | struct partial_symtab *psymtab; | |
546b8ca7 | 734 | struct symtab *symtab; |
754e5da2 SG |
735 | |
736 | ALL_PSYMTABS (objfile, psymtab) | |
6131622e | 737 | Tcl_DStringAppendElement (result_ptr, psymtab->filename); |
754e5da2 | 738 | |
546b8ca7 | 739 | ALL_SYMTABS (objfile, symtab) |
6131622e | 740 | Tcl_DStringAppendElement (result_ptr, symtab->filename); |
546b8ca7 | 741 | |
754e5da2 SG |
742 | return TCL_OK; |
743 | } | |
479f0f18 SG |
744 | |
745 | static int | |
746 | gdb_stop (clientData, interp, argc, argv) | |
747 | ClientData clientData; | |
748 | Tcl_Interp *interp; | |
749 | int argc; | |
750 | char *argv[]; | |
751 | { | |
6c27841f | 752 | target_stop (); |
546b8ca7 SG |
753 | |
754 | return TCL_OK; | |
479f0f18 | 755 | } |
09722039 SG |
756 | \f |
757 | /* This implements the TCL command `gdb_disassemble'. */ | |
479f0f18 | 758 | |
09722039 SG |
759 | static int |
760 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) | |
761 | bfd_vma memaddr; | |
762 | bfd_byte *myaddr; | |
763 | int len; | |
764 | disassemble_info *info; | |
765 | { | |
766 | extern struct target_ops exec_ops; | |
767 | int res; | |
768 | ||
769 | errno = 0; | |
770 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); | |
771 | ||
772 | if (res == len) | |
773 | return 0; | |
774 | else | |
775 | if (errno == 0) | |
776 | return EIO; | |
777 | else | |
778 | return errno; | |
779 | } | |
780 | ||
781 | /* We need a different sort of line table from the normal one cuz we can't | |
782 | depend upon implicit line-end pc's for lines. This is because of the | |
783 | reordering we are about to do. */ | |
784 | ||
785 | struct my_line_entry { | |
786 | int line; | |
787 | CORE_ADDR start_pc; | |
788 | CORE_ADDR end_pc; | |
789 | }; | |
790 | ||
791 | static int | |
792 | compare_lines (mle1p, mle2p) | |
793 | const PTR mle1p; | |
794 | const PTR mle2p; | |
795 | { | |
796 | struct my_line_entry *mle1, *mle2; | |
797 | int val; | |
798 | ||
799 | mle1 = (struct my_line_entry *) mle1p; | |
800 | mle2 = (struct my_line_entry *) mle2p; | |
801 | ||
802 | val = mle1->line - mle2->line; | |
803 | ||
804 | if (val != 0) | |
805 | return val; | |
806 | ||
807 | return mle1->start_pc - mle2->start_pc; | |
808 | } | |
809 | ||
810 | static int | |
811 | gdb_disassemble (clientData, interp, argc, argv) | |
812 | ClientData clientData; | |
813 | Tcl_Interp *interp; | |
814 | int argc; | |
815 | char *argv[]; | |
816 | { | |
817 | CORE_ADDR pc, low, high; | |
818 | int mixed_source_and_assembly; | |
fc941258 DE |
819 | static disassemble_info di; |
820 | static int di_initialized; | |
821 | ||
822 | if (! di_initialized) | |
823 | { | |
810b984d DE |
824 | INIT_DISASSEMBLE_INFO (di, gdb_stdout, |
825 | (fprintf_ftype) fprintf_unfiltered); | |
fc941258 DE |
826 | di.memory_error_func = dis_asm_memory_error; |
827 | di.print_address_func = dis_asm_print_address; | |
828 | di_initialized = 1; | |
829 | } | |
09722039 SG |
830 | |
831 | if (argc != 3 && argc != 4) | |
6131622e | 832 | error ("wrong # args"); |
09722039 SG |
833 | |
834 | if (strcmp (argv[1], "source") == 0) | |
835 | mixed_source_and_assembly = 1; | |
836 | else if (strcmp (argv[1], "nosource") == 0) | |
837 | mixed_source_and_assembly = 0; | |
838 | else | |
6131622e | 839 | error ("First arg must be 'source' or 'nosource'"); |
09722039 SG |
840 | |
841 | low = parse_and_eval_address (argv[2]); | |
842 | ||
843 | if (argc == 3) | |
844 | { | |
845 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) | |
6131622e | 846 | error ("No function contains specified address"); |
09722039 SG |
847 | } |
848 | else | |
849 | high = parse_and_eval_address (argv[3]); | |
850 | ||
851 | /* If disassemble_from_exec == -1, then we use the following heuristic to | |
852 | determine whether or not to do disassembly from target memory or from the | |
853 | exec file: | |
854 | ||
855 | If we're debugging a local process, read target memory, instead of the | |
856 | exec file. This makes disassembly of functions in shared libs work | |
857 | correctly. | |
858 | ||
859 | Else, we're debugging a remote process, and should disassemble from the | |
fda6fadc | 860 | exec file for speed. However, this is no good if the target modifies its |
09722039 SG |
861 | code (for relocation, or whatever). |
862 | */ | |
863 | ||
864 | if (disassemble_from_exec == -1) | |
865 | if (strcmp (target_shortname, "child") == 0 | |
d7c4766c SS |
866 | || strcmp (target_shortname, "procfs") == 0 |
867 | || strcmp (target_shortname, "vxprocess") == 0) | |
09722039 SG |
868 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
869 | else | |
870 | disassemble_from_exec = 1; /* It's remote, read the exec file */ | |
871 | ||
872 | if (disassemble_from_exec) | |
a76ef70a SG |
873 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
874 | else | |
875 | di.read_memory_func = dis_asm_read_memory; | |
09722039 SG |
876 | |
877 | /* If just doing straight assembly, all we need to do is disassemble | |
878 | everything between low and high. If doing mixed source/assembly, we've | |
879 | got a totally different path to follow. */ | |
880 | ||
881 | if (mixed_source_and_assembly) | |
882 | { /* Come here for mixed source/assembly */ | |
883 | /* The idea here is to present a source-O-centric view of a function to | |
884 | the user. This means that things are presented in source order, with | |
885 | (possibly) out of order assembly immediately following. */ | |
886 | struct symtab *symtab; | |
887 | struct linetable_entry *le; | |
888 | int nlines; | |
c81a3fa9 | 889 | int newlines; |
09722039 SG |
890 | struct my_line_entry *mle; |
891 | struct symtab_and_line sal; | |
892 | int i; | |
893 | int out_of_order; | |
c81a3fa9 | 894 | int next_line; |
09722039 SG |
895 | |
896 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ | |
897 | ||
898 | if (!symtab) | |
899 | goto assembly_only; | |
900 | ||
901 | /* First, convert the linetable to a bunch of my_line_entry's. */ | |
902 | ||
903 | le = symtab->linetable->item; | |
904 | nlines = symtab->linetable->nitems; | |
905 | ||
906 | if (nlines <= 0) | |
907 | goto assembly_only; | |
908 | ||
909 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); | |
910 | ||
911 | out_of_order = 0; | |
912 | ||
c81a3fa9 SG |
913 | /* Copy linetable entries for this function into our data structure, creating |
914 | end_pc's and setting out_of_order as appropriate. */ | |
915 | ||
916 | /* First, skip all the preceding functions. */ | |
917 | ||
918 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; | |
919 | ||
920 | /* Now, copy all entries before the end of this function. */ | |
921 | ||
922 | newlines = 0; | |
923 | for (; i < nlines - 1 && le[i].pc < high; i++) | |
09722039 | 924 | { |
c81a3fa9 SG |
925 | if (le[i].line == le[i + 1].line |
926 | && le[i].pc == le[i + 1].pc) | |
927 | continue; /* Ignore duplicates */ | |
928 | ||
929 | mle[newlines].line = le[i].line; | |
09722039 SG |
930 | if (le[i].line > le[i + 1].line) |
931 | out_of_order = 1; | |
c81a3fa9 SG |
932 | mle[newlines].start_pc = le[i].pc; |
933 | mle[newlines].end_pc = le[i + 1].pc; | |
934 | newlines++; | |
09722039 SG |
935 | } |
936 | ||
c81a3fa9 SG |
937 | /* If we're on the last line, and it's part of the function, then we need to |
938 | get the end pc in a special way. */ | |
939 | ||
940 | if (i == nlines - 1 | |
941 | && le[i].pc < high) | |
942 | { | |
943 | mle[newlines].line = le[i].line; | |
944 | mle[newlines].start_pc = le[i].pc; | |
945 | sal = find_pc_line (le[i].pc, 0); | |
946 | mle[newlines].end_pc = sal.end; | |
947 | newlines++; | |
948 | } | |
09722039 SG |
949 | |
950 | /* Now, sort mle by line #s (and, then by addresses within lines). */ | |
951 | ||
952 | if (out_of_order) | |
c81a3fa9 | 953 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
09722039 SG |
954 | |
955 | /* Now, for each line entry, emit the specified lines (unless they have been | |
956 | emitted before), followed by the assembly code for that line. */ | |
957 | ||
c81a3fa9 SG |
958 | next_line = 0; /* Force out first line */ |
959 | for (i = 0; i < newlines; i++) | |
09722039 | 960 | { |
c81a3fa9 SG |
961 | /* Print out everything from next_line to the current line. */ |
962 | ||
963 | if (mle[i].line >= next_line) | |
09722039 | 964 | { |
c81a3fa9 SG |
965 | if (next_line != 0) |
966 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); | |
09722039 | 967 | else |
c81a3fa9 SG |
968 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
969 | ||
970 | next_line = mle[i].line + 1; | |
09722039 | 971 | } |
c81a3fa9 | 972 | |
09722039 SG |
973 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
974 | { | |
975 | QUIT; | |
976 | fputs_unfiltered (" ", gdb_stdout); | |
977 | print_address (pc, gdb_stdout); | |
978 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 979 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
980 | fputs_unfiltered ("\n", gdb_stdout); |
981 | } | |
982 | } | |
983 | } | |
984 | else | |
985 | { | |
986 | assembly_only: | |
987 | for (pc = low; pc < high; ) | |
988 | { | |
989 | QUIT; | |
990 | fputs_unfiltered (" ", gdb_stdout); | |
991 | print_address (pc, gdb_stdout); | |
992 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 993 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
994 | fputs_unfiltered ("\n", gdb_stdout); |
995 | } | |
996 | } | |
997 | ||
09722039 SG |
998 | gdb_flush (gdb_stdout); |
999 | ||
1000 | return TCL_OK; | |
1001 | } | |
754e5da2 SG |
1002 | \f |
1003 | static void | |
1004 | tk_command (cmd, from_tty) | |
1005 | char *cmd; | |
1006 | int from_tty; | |
1007 | { | |
546b8ca7 SG |
1008 | int retval; |
1009 | char *result; | |
1010 | struct cleanup *old_chain; | |
1011 | ||
1012 | retval = Tcl_Eval (interp, cmd); | |
1013 | ||
1014 | result = strdup (interp->result); | |
754e5da2 | 1015 | |
546b8ca7 SG |
1016 | old_chain = make_cleanup (free, result); |
1017 | ||
1018 | if (retval != TCL_OK) | |
1019 | error (result); | |
1020 | ||
1021 | printf_unfiltered ("%s\n", result); | |
1022 | ||
1023 | do_cleanups (old_chain); | |
754e5da2 SG |
1024 | } |
1025 | ||
1026 | static void | |
1027 | cleanup_init (ignored) | |
1028 | int ignored; | |
1029 | { | |
1030 | if (mainWindow != NULL) | |
1031 | Tk_DestroyWindow (mainWindow); | |
1032 | mainWindow = NULL; | |
1033 | ||
1034 | if (interp != NULL) | |
1035 | Tcl_DeleteInterp (interp); | |
1036 | interp = NULL; | |
1037 | } | |
1038 | ||
637b1661 SG |
1039 | /* Come here during long calculations to check for GUI events. Usually invoked |
1040 | via the QUIT macro. */ | |
1041 | ||
1042 | static void | |
1043 | gdbtk_interactive () | |
1044 | { | |
1045 | /* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */ | |
1046 | } | |
1047 | ||
479f0f18 SG |
1048 | /* Come here when there is activity on the X file descriptor. */ |
1049 | ||
1050 | static void | |
1051 | x_event (signo) | |
1052 | int signo; | |
1053 | { | |
1054 | /* Process pending events */ | |
1055 | ||
1056 | while (Tk_DoOneEvent (TK_DONT_WAIT|TK_ALL_EVENTS) != 0); | |
1057 | } | |
1058 | ||
1059 | static int | |
1060 | gdbtk_wait (pid, ourstatus) | |
1061 | int pid; | |
1062 | struct target_waitstatus *ourstatus; | |
1063 | { | |
736a82e7 SG |
1064 | struct sigaction action; |
1065 | static sigset_t nullsigmask = {0}; | |
1066 | ||
1067 | #ifndef SA_RESTART | |
1068 | /* Needed for SunOS 4.1.x */ | |
1069 | #define SA_RESTART 0 | |
546b8ca7 | 1070 | #endif |
479f0f18 | 1071 | |
736a82e7 SG |
1072 | action.sa_handler = x_event; |
1073 | action.sa_mask = nullsigmask; | |
1074 | action.sa_flags = SA_RESTART; | |
1075 | sigaction(SIGIO, &action, NULL); | |
1076 | ||
479f0f18 SG |
1077 | pid = target_wait (pid, ourstatus); |
1078 | ||
736a82e7 SG |
1079 | action.sa_handler = SIG_IGN; |
1080 | sigaction(SIGIO, &action, NULL); | |
479f0f18 SG |
1081 | |
1082 | return pid; | |
1083 | } | |
1084 | ||
1085 | /* This is called from execute_command, and provides a wrapper around | |
1086 | various command routines in a place where both protocol messages and | |
1087 | user input both flow through. Mostly this is used for indicating whether | |
1088 | the target process is running or not. | |
1089 | */ | |
1090 | ||
1091 | static void | |
1092 | gdbtk_call_command (cmdblk, arg, from_tty) | |
1093 | struct cmd_list_element *cmdblk; | |
1094 | char *arg; | |
1095 | int from_tty; | |
1096 | { | |
fda6fadc | 1097 | running_now = 0; |
479f0f18 SG |
1098 | if (cmdblk->class == class_run) |
1099 | { | |
fda6fadc | 1100 | running_now = 1; |
4e327047 | 1101 | Tcl_Eval (interp, "gdbtk_tcl_busy"); |
479f0f18 | 1102 | (*cmdblk->function.cfunc)(arg, from_tty); |
4e327047 | 1103 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
fda6fadc | 1104 | running_now = 0; |
479f0f18 SG |
1105 | } |
1106 | else | |
1107 | (*cmdblk->function.cfunc)(arg, from_tty); | |
1108 | } | |
1109 | ||
754e5da2 SG |
1110 | static void |
1111 | gdbtk_init () | |
1112 | { | |
1113 | struct cleanup *old_chain; | |
1114 | char *gdbtk_filename; | |
479f0f18 | 1115 | int i; |
736a82e7 SG |
1116 | struct sigaction action; |
1117 | static sigset_t nullsigmask = {0}; | |
754e5da2 SG |
1118 | |
1119 | old_chain = make_cleanup (cleanup_init, 0); | |
1120 | ||
1121 | /* First init tcl and tk. */ | |
1122 | ||
1123 | interp = Tcl_CreateInterp (); | |
1124 | ||
1125 | if (!interp) | |
1126 | error ("Tcl_CreateInterp failed"); | |
1127 | ||
1128 | mainWindow = Tk_CreateMainWindow (interp, NULL, "gdb", "Gdb"); | |
1129 | ||
1130 | if (!mainWindow) | |
1131 | return; /* DISPLAY probably not set */ | |
1132 | ||
1133 | if (Tcl_Init(interp) != TCL_OK) | |
1134 | error ("Tcl_Init failed: %s", interp->result); | |
1135 | ||
1136 | if (Tk_Init(interp) != TCL_OK) | |
1137 | error ("Tk_Init failed: %s", interp->result); | |
1138 | ||
86db943c SG |
1139 | Tcl_CreateCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
1140 | Tcl_CreateCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); | |
1141 | Tcl_CreateCommand (interp, "gdb_sourcelines", call_wrapper, gdb_sourcelines, | |
1142 | NULL); | |
1143 | Tcl_CreateCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, | |
746d1df4 | 1144 | NULL); |
86db943c SG |
1145 | Tcl_CreateCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
1146 | Tcl_CreateCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); | |
1147 | Tcl_CreateCommand (interp, "gdb_fetch_registers", call_wrapper, | |
1148 | gdb_fetch_registers, NULL); | |
1149 | Tcl_CreateCommand (interp, "gdb_changed_register_list", call_wrapper, | |
1150 | gdb_changed_register_list, NULL); | |
09722039 SG |
1151 | Tcl_CreateCommand (interp, "gdb_disassemble", call_wrapper, |
1152 | gdb_disassemble, NULL); | |
1153 | Tcl_CreateCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); | |
6131622e SG |
1154 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
1155 | gdb_get_breakpoint_list, NULL); | |
1156 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper, | |
1157 | gdb_get_breakpoint_info, NULL); | |
754e5da2 | 1158 | |
09722039 | 1159 | command_loop_hook = Tk_MainLoop; |
09722039 SG |
1160 | print_frame_info_listing_hook = null_routine; |
1161 | query_hook = gdbtk_query; | |
1162 | flush_hook = gdbtk_flush; | |
1163 | create_breakpoint_hook = gdbtk_create_breakpoint; | |
1164 | delete_breakpoint_hook = gdbtk_delete_breakpoint; | |
6131622e | 1165 | modify_breakpoint_hook = gdbtk_modify_breakpoint; |
09722039 SG |
1166 | interactive_hook = gdbtk_interactive; |
1167 | target_wait_hook = gdbtk_wait; | |
1168 | call_command_hook = gdbtk_call_command; | |
754e5da2 | 1169 | |
cd2df226 | 1170 | /* Get the file descriptor for the X server */ |
479f0f18 | 1171 | |
cd2df226 | 1172 | x_fd = ConnectionNumber (Tk_Display (mainWindow)); |
479f0f18 SG |
1173 | |
1174 | /* Setup for I/O interrupts */ | |
1175 | ||
736a82e7 SG |
1176 | action.sa_mask = nullsigmask; |
1177 | action.sa_flags = 0; | |
1178 | action.sa_handler = SIG_IGN; | |
1179 | sigaction(SIGIO, &action, NULL); | |
1180 | ||
1181 | #ifdef FIOASYNC | |
1182 | i = 1; | |
1183 | if (ioctl (x_fd, FIOASYNC, &i)) | |
1184 | perror_with_name ("gdbtk_init: ioctl FIOASYNC failed"); | |
479f0f18 | 1185 | |
77a89957 | 1186 | #ifdef SIOCSPGRP |
736a82e7 SG |
1187 | i = getpid(); |
1188 | if (ioctl (x_fd, SIOCSPGRP, &i)) | |
1189 | perror_with_name ("gdbtk_init: ioctl SIOCSPGRP failed"); | |
45f90c50 MM |
1190 | |
1191 | #else | |
1192 | #ifdef F_SETOWN | |
1193 | i = getpid(); | |
1194 | if (fcntl (x_fd, F_SETOWN, i)) | |
1195 | perror_with_name ("gdbtk_init: fcntl F_SETOWN failed"); | |
1196 | #endif /* F_SETOWN */ | |
1197 | #endif /* !SIOCSPGRP */ | |
546b8ca7 SG |
1198 | #else |
1199 | if (ioctl (x_fd, I_SETSIG, S_INPUT|S_RDNORM) < 0) | |
736a82e7 SG |
1200 | perror_with_name ("gdbtk_init: ioctl I_SETSIG failed"); |
1201 | #endif /* ifndef FIOASYNC */ | |
479f0f18 | 1202 | |
754e5da2 SG |
1203 | add_com ("tk", class_obscure, tk_command, |
1204 | "Send a command directly into tk."); | |
09722039 | 1205 | |
09722039 SG |
1206 | Tcl_LinkVar (interp, "disassemble-from-exec", (char *)&disassemble_from_exec, |
1207 | TCL_LINK_INT); | |
1208 | ||
1209 | /* Load up gdbtk.tcl after all the environment stuff has been setup. */ | |
1210 | ||
1211 | gdbtk_filename = getenv ("GDBTK_FILENAME"); | |
1212 | if (!gdbtk_filename) | |
1213 | if (access ("gdbtk.tcl", R_OK) == 0) | |
1214 | gdbtk_filename = "gdbtk.tcl"; | |
1215 | else | |
1216 | gdbtk_filename = GDBTK_FILENAME; | |
1217 | ||
724498fd SG |
1218 | /* Defer setup of fputs_unfiltered_hook to near the end so that error messages |
1219 | prior to this point go to stdout/stderr. */ | |
1220 | ||
1221 | fputs_unfiltered_hook = gdbtk_fputs; | |
1222 | ||
09722039 | 1223 | if (Tcl_EvalFile (interp, gdbtk_filename) != TCL_OK) |
724498fd SG |
1224 | { |
1225 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1226 | ||
1227 | fprintf_unfiltered (stderr, "%s:%d: %s\n", gdbtk_filename, | |
1228 | interp->errorLine, interp->result); | |
b66051ec SG |
1229 | |
1230 | fputs_unfiltered ("Stack trace:\n", gdb_stderr); | |
1231 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1232 | error (""); | |
724498fd | 1233 | } |
09722039 SG |
1234 | |
1235 | discard_cleanups (old_chain); | |
754e5da2 SG |
1236 | } |
1237 | ||
1238 | /* Come here during initialze_all_files () */ | |
1239 | ||
1240 | void | |
1241 | _initialize_gdbtk () | |
1242 | { | |
c5197511 SG |
1243 | if (use_windows) |
1244 | { | |
1245 | /* Tell the rest of the world that Gdbtk is now set up. */ | |
754e5da2 | 1246 | |
c5197511 SG |
1247 | init_ui_hook = gdbtk_init; |
1248 | } | |
754e5da2 | 1249 | } |