Commit | Line | Data |
---|---|---|
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 | ||
b607efe7 FF |
58 | static void null_routine PARAMS ((int)); |
59 | static void gdbtk_flush PARAMS ((FILE *)); | |
60 | static void gdbtk_fputs PARAMS ((const char *, FILE *)); | |
61 | static int gdbtk_query PARAMS ((const char *, va_list)); | |
62 | static char *gdbtk_readline PARAMS ((char *)); | |
63 | static void gdbtk_init PARAMS ((void)); | |
64 | static void tk_command_loop PARAMS ((void)); | |
65 | static void gdbtk_call_command PARAMS ((struct cmd_list_element *, char *, int)); | |
66 | static int gdbtk_wait PARAMS ((int, struct target_waitstatus *)); | |
67 | static void x_event PARAMS ((int)); | |
68 | static void gdbtk_interactive PARAMS ((void)); | |
69 | static void cleanup_init PARAMS ((int)); | |
70 | static void tk_command PARAMS ((char *, int)); | |
71 | static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
72 | static int compare_lines PARAMS ((const PTR, const PTR)); | |
73 | static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *)); | |
74 | static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
75 | static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
76 | static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
77 | static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, char *argv[])); | |
78 | static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
79 | static void gdbtk_readline_end PARAMS ((void)); | |
80 | static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
81 | static void register_changed_p PARAMS ((int, void *)); | |
82 | static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
83 | static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
84 | static void breakpoint_notify PARAMS ((struct breakpoint *, const char *)); | |
85 | static void gdbtk_create_breakpoint PARAMS ((struct breakpoint *)); | |
86 | static void gdbtk_delete_breakpoint PARAMS ((struct breakpoint *)); | |
87 | static void gdbtk_modify_breakpoint PARAMS ((struct breakpoint *)); | |
88 | static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
89 | static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
90 | static int gdb_sourcelines PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
91 | static int map_arg_registers PARAMS ((int, char *[], void (*) (int, void *), void *)); | |
92 | static void get_register_name PARAMS ((int, void *)); | |
93 | static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
94 | static void get_register PARAMS ((int, void *)); | |
95 | ||
754e5da2 | 96 | /* Handle for TCL interpreter */ |
fda6fadc | 97 | |
754e5da2 SG |
98 | static Tcl_Interp *interp = NULL; |
99 | ||
100 | /* Handle for TK main window */ | |
fda6fadc | 101 | |
754e5da2 SG |
102 | static Tk_Window mainWindow = NULL; |
103 | ||
479f0f18 SG |
104 | static int x_fd; /* X network socket */ |
105 | ||
fda6fadc SS |
106 | /* This variable is true when the inferior is running. Although it's |
107 | possible to disable most input from widgets and thus prevent | |
108 | attempts to do anything while the inferior is running, any commands | |
109 | that get through - even a simple memory read - are Very Bad, and | |
110 | may cause GDB to crash or behave strangely. So, this variable | |
111 | provides an extra layer of defense. */ | |
09722039 | 112 | |
fda6fadc SS |
113 | static int running_now; |
114 | ||
115 | /* This variable determines where memory used for disassembly is read from. | |
116 | If > 0, then disassembly comes from the exec file rather than the | |
117 | target (which might be at the other end of a slow serial link). If | |
118 | == 0 then disassembly comes from target. If < 0 disassembly is | |
119 | automatically switched to the target if it's an inferior process, | |
120 | otherwise the exec file is used. */ | |
09722039 SG |
121 | |
122 | static int disassemble_from_exec = -1; | |
123 | ||
8c19daa1 SG |
124 | /* Supply malloc calls for tcl/tk. */ |
125 | ||
126 | char * | |
127 | Tcl_Malloc (size) | |
128 | unsigned int size; | |
129 | { | |
130 | return xmalloc (size); | |
131 | } | |
132 | ||
133 | char * | |
134 | Tcl_Realloc (ptr, size) | |
135 | char *ptr; | |
136 | unsigned int size; | |
137 | { | |
138 | return xrealloc (ptr, size); | |
139 | } | |
140 | ||
141 | void | |
142 | Tcl_Free(ptr) | |
143 | char *ptr; | |
144 | { | |
145 | free (ptr); | |
146 | } | |
147 | ||
754e5da2 SG |
148 | static void |
149 | null_routine(arg) | |
150 | int arg; | |
151 | { | |
152 | } | |
153 | ||
546b8ca7 SG |
154 | /* The following routines deal with stdout/stderr data, which is created by |
155 | {f}printf_{un}filtered and friends. gdbtk_fputs and gdbtk_flush are the | |
156 | lowest level of these routines and capture all output from the rest of GDB. | |
157 | Normally they present their data to tcl via callbacks to the following tcl | |
158 | routines: gdbtk_tcl_fputs, gdbtk_tcl_fputs_error, and gdbtk_flush. These | |
159 | in turn call tk routines to update the display. | |
86db943c | 160 | |
546b8ca7 SG |
161 | Under some circumstances, you may want to collect the output so that it can |
162 | be returned as the value of a tcl procedure. This can be done by | |
163 | surrounding the output routines with calls to start_saving_output and | |
164 | finish_saving_output. The saved data can then be retrieved with | |
165 | get_saved_output (but this must be done before the call to | |
166 | finish_saving_output). */ | |
86db943c | 167 | |
546b8ca7 | 168 | /* Dynamic string header for stdout. */ |
86db943c | 169 | |
6131622e | 170 | static Tcl_DString *result_ptr; |
754e5da2 | 171 | \f |
754e5da2 SG |
172 | static void |
173 | gdbtk_flush (stream) | |
174 | FILE *stream; | |
175 | { | |
6131622e | 176 | #if 0 |
86db943c SG |
177 | /* Force immediate screen update */ |
178 | ||
754e5da2 | 179 | Tcl_VarEval (interp, "gdbtk_tcl_flush", NULL); |
6131622e | 180 | #endif |
754e5da2 SG |
181 | } |
182 | ||
8532893d | 183 | static void |
86db943c | 184 | gdbtk_fputs (ptr, stream) |
8532893d | 185 | const char *ptr; |
86db943c | 186 | FILE *stream; |
8532893d | 187 | { |
fda6fadc | 188 | |
6131622e | 189 | if (result_ptr) |
45f90c50 | 190 | Tcl_DStringAppend (result_ptr, (char *)ptr, -1); |
6131622e | 191 | else |
86db943c | 192 | { |
6131622e | 193 | Tcl_DString str; |
86db943c | 194 | |
6131622e | 195 | Tcl_DStringInit (&str); |
8532893d | 196 | |
6131622e | 197 | Tcl_DStringAppend (&str, "gdbtk_tcl_fputs", -1); |
45f90c50 | 198 | Tcl_DStringAppendElement (&str, (char *)ptr); |
8532893d | 199 | |
6131622e SG |
200 | Tcl_Eval (interp, Tcl_DStringValue (&str)); |
201 | Tcl_DStringFree (&str); | |
202 | } | |
8532893d SG |
203 | } |
204 | ||
754e5da2 | 205 | static int |
85c613aa | 206 | gdbtk_query (query, args) |
b607efe7 | 207 | const char *query; |
754e5da2 SG |
208 | va_list args; |
209 | { | |
4e327047 TT |
210 | char buf[200], *merge[2]; |
211 | char *command; | |
754e5da2 SG |
212 | long val; |
213 | ||
6131622e | 214 | vsprintf (buf, query, args); |
4e327047 TT |
215 | merge[0] = "gdbtk_tcl_query"; |
216 | merge[1] = buf; | |
217 | command = Tcl_Merge (2, merge); | |
218 | Tcl_Eval (interp, command); | |
219 | free (command); | |
754e5da2 SG |
220 | |
221 | val = atol (interp->result); | |
222 | return val; | |
223 | } | |
41756e56 FF |
224 | |
225 | /* VARARGS */ | |
226 | static void | |
227 | #ifdef ANSI_PROTOTYPES | |
228 | gdbtk_readline_begin (char *format, ...) | |
229 | #else | |
230 | gdbtk_readline_begin (va_alist) | |
231 | va_dcl | |
232 | #endif | |
233 | { | |
234 | va_list args; | |
235 | char buf[200], *merge[2]; | |
236 | char *command; | |
237 | ||
238 | #ifdef ANSI_PROTOTYPES | |
239 | va_start (args, format); | |
240 | #else | |
241 | char *format; | |
242 | va_start (args); | |
243 | format = va_arg (args, char *); | |
244 | #endif | |
245 | ||
246 | vsprintf (buf, format, args); | |
247 | merge[0] = "gdbtk_tcl_readline_begin"; | |
248 | merge[1] = buf; | |
249 | command = Tcl_Merge (2, merge); | |
250 | Tcl_Eval (interp, command); | |
251 | free (command); | |
252 | } | |
253 | ||
254 | static char * | |
255 | gdbtk_readline (prompt) | |
256 | char *prompt; | |
257 | { | |
258 | char *merge[2]; | |
259 | char *command; | |
260 | ||
261 | merge[0] = "gdbtk_tcl_readline"; | |
262 | merge[1] = prompt; | |
263 | command = Tcl_Merge (2, merge); | |
264 | if (Tcl_Eval (interp, command) == TCL_OK) | |
265 | { | |
266 | return (strdup (interp -> result)); | |
267 | } | |
268 | else | |
269 | { | |
270 | gdbtk_fputs (interp -> result, gdb_stdout); | |
271 | gdbtk_fputs ("\n", gdb_stdout); | |
272 | return (NULL); | |
273 | } | |
274 | } | |
275 | ||
276 | static void | |
277 | gdbtk_readline_end () | |
278 | { | |
279 | Tcl_Eval (interp, "gdbtk_tcl_readline_end"); | |
280 | } | |
281 | ||
754e5da2 | 282 | \f |
6131622e | 283 | static void |
73d3dbd4 | 284 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
285 | dsprintf_append_element (Tcl_DString *dsp, char *format, ...) |
286 | #else | |
6131622e SG |
287 | dsprintf_append_element (va_alist) |
288 | va_dcl | |
85c613aa | 289 | #endif |
6131622e SG |
290 | { |
291 | va_list args; | |
85c613aa C |
292 | char buf[1024]; |
293 | ||
73d3dbd4 | 294 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
295 | va_start (args, format); |
296 | #else | |
6131622e SG |
297 | Tcl_DString *dsp; |
298 | char *format; | |
6131622e SG |
299 | |
300 | va_start (args); | |
6131622e SG |
301 | dsp = va_arg (args, Tcl_DString *); |
302 | format = va_arg (args, char *); | |
85c613aa | 303 | #endif |
6131622e SG |
304 | |
305 | vsprintf (buf, format, args); | |
306 | ||
307 | Tcl_DStringAppendElement (dsp, buf); | |
308 | } | |
309 | ||
310 | static int | |
311 | gdb_get_breakpoint_list (clientData, interp, argc, argv) | |
312 | ClientData clientData; | |
313 | Tcl_Interp *interp; | |
314 | int argc; | |
315 | char *argv[]; | |
316 | { | |
317 | struct breakpoint *b; | |
318 | extern struct breakpoint *breakpoint_chain; | |
319 | ||
320 | if (argc != 1) | |
321 | error ("wrong # args"); | |
322 | ||
323 | for (b = breakpoint_chain; b; b = b->next) | |
324 | if (b->type == bp_breakpoint) | |
325 | dsprintf_append_element (result_ptr, "%d", b->number); | |
326 | ||
327 | return TCL_OK; | |
328 | } | |
329 | ||
330 | static int | |
331 | gdb_get_breakpoint_info (clientData, interp, argc, argv) | |
332 | ClientData clientData; | |
333 | Tcl_Interp *interp; | |
334 | int argc; | |
335 | char *argv[]; | |
336 | { | |
337 | struct symtab_and_line sal; | |
338 | static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", | |
339 | "finish", "watchpoint", "hardware watchpoint", | |
340 | "read watchpoint", "access watchpoint", | |
341 | "longjmp", "longjmp resume", "step resume", | |
342 | "through sigtramp", "watchpoint scope", | |
343 | "call dummy" }; | |
344 | static char *bpdisp[] = {"delete", "disable", "donttouch"}; | |
345 | struct command_line *cmd; | |
346 | int bpnum; | |
347 | struct breakpoint *b; | |
348 | extern struct breakpoint *breakpoint_chain; | |
349 | ||
350 | if (argc != 2) | |
351 | error ("wrong # args"); | |
352 | ||
353 | bpnum = atoi (argv[1]); | |
354 | ||
355 | for (b = breakpoint_chain; b; b = b->next) | |
356 | if (b->number == bpnum) | |
357 | break; | |
358 | ||
9468f8aa | 359 | if (!b || b->type != bp_breakpoint) |
6131622e SG |
360 | error ("Breakpoint #%d does not exist", bpnum); |
361 | ||
6131622e SG |
362 | sal = find_pc_line (b->address, 0); |
363 | ||
364 | Tcl_DStringAppendElement (result_ptr, symtab_to_filename (sal.symtab)); | |
365 | dsprintf_append_element (result_ptr, "%d", sal.line); | |
366 | dsprintf_append_element (result_ptr, "0x%lx", b->address); | |
367 | Tcl_DStringAppendElement (result_ptr, bptypes[b->type]); | |
368 | Tcl_DStringAppendElement (result_ptr, b->enable == enabled ? "1" : "0"); | |
369 | Tcl_DStringAppendElement (result_ptr, bpdisp[b->disposition]); | |
370 | dsprintf_append_element (result_ptr, "%d", b->silent); | |
371 | dsprintf_append_element (result_ptr, "%d", b->ignore_count); | |
372 | ||
373 | Tcl_DStringStartSublist (result_ptr); | |
374 | for (cmd = b->commands; cmd; cmd = cmd->next) | |
375 | Tcl_DStringAppendElement (result_ptr, cmd->line); | |
376 | Tcl_DStringEndSublist (result_ptr); | |
377 | ||
378 | Tcl_DStringAppendElement (result_ptr, b->cond_string); | |
379 | ||
380 | dsprintf_append_element (result_ptr, "%d", b->thread); | |
381 | dsprintf_append_element (result_ptr, "%d", b->hit_count); | |
382 | ||
383 | return TCL_OK; | |
384 | } | |
385 | ||
754e5da2 SG |
386 | static void |
387 | breakpoint_notify(b, action) | |
388 | struct breakpoint *b; | |
389 | const char *action; | |
390 | { | |
6131622e | 391 | char buf[100]; |
754e5da2 SG |
392 | int v; |
393 | ||
394 | if (b->type != bp_breakpoint) | |
395 | return; | |
396 | ||
4e327047 TT |
397 | /* We ensure that ACTION contains no special Tcl characters, so we |
398 | can do this. */ | |
6131622e | 399 | sprintf (buf, "gdbtk_tcl_breakpoint %s %d", action, b->number); |
754e5da2 | 400 | |
6131622e | 401 | v = Tcl_Eval (interp, buf); |
754e5da2 SG |
402 | |
403 | if (v != TCL_OK) | |
404 | { | |
546b8ca7 SG |
405 | gdbtk_fputs (interp->result, gdb_stdout); |
406 | gdbtk_fputs ("\n", gdb_stdout); | |
754e5da2 | 407 | } |
754e5da2 SG |
408 | } |
409 | ||
410 | static void | |
411 | gdbtk_create_breakpoint(b) | |
412 | struct breakpoint *b; | |
413 | { | |
6131622e | 414 | breakpoint_notify (b, "create"); |
754e5da2 SG |
415 | } |
416 | ||
417 | static void | |
418 | gdbtk_delete_breakpoint(b) | |
419 | struct breakpoint *b; | |
420 | { | |
6131622e | 421 | breakpoint_notify (b, "delete"); |
754e5da2 SG |
422 | } |
423 | ||
424 | static void | |
6131622e | 425 | gdbtk_modify_breakpoint(b) |
754e5da2 SG |
426 | struct breakpoint *b; |
427 | { | |
6131622e | 428 | breakpoint_notify (b, "modify"); |
754e5da2 SG |
429 | } |
430 | \f | |
431 | /* This implements the TCL command `gdb_loc', which returns a list consisting | |
432 | of the source and line number associated with the current pc. */ | |
433 | ||
434 | static int | |
435 | gdb_loc (clientData, interp, argc, argv) | |
436 | ClientData clientData; | |
437 | Tcl_Interp *interp; | |
438 | int argc; | |
439 | char *argv[]; | |
440 | { | |
441 | char *filename; | |
754e5da2 SG |
442 | struct symtab_and_line sal; |
443 | char *funcname; | |
8532893d | 444 | CORE_ADDR pc; |
754e5da2 SG |
445 | |
446 | if (argc == 1) | |
447 | { | |
1dfc8dfb | 448 | pc = selected_frame ? selected_frame->pc : stop_pc; |
754e5da2 SG |
449 | sal = find_pc_line (pc, 0); |
450 | } | |
451 | else if (argc == 2) | |
452 | { | |
754e5da2 | 453 | struct symtabs_and_lines sals; |
8532893d | 454 | int nelts; |
754e5da2 SG |
455 | |
456 | sals = decode_line_spec (argv[1], 1); | |
457 | ||
8532893d SG |
458 | nelts = sals.nelts; |
459 | sal = sals.sals[0]; | |
460 | free (sals.sals); | |
461 | ||
754e5da2 | 462 | if (sals.nelts != 1) |
6131622e | 463 | error ("Ambiguous line spec"); |
754e5da2 | 464 | |
8532893d | 465 | pc = sal.pc; |
754e5da2 SG |
466 | } |
467 | else | |
6131622e | 468 | error ("wrong # args"); |
754e5da2 | 469 | |
754e5da2 | 470 | if (sal.symtab) |
6131622e | 471 | Tcl_DStringAppendElement (result_ptr, sal.symtab->filename); |
754e5da2 | 472 | else |
6131622e | 473 | Tcl_DStringAppendElement (result_ptr, ""); |
8532893d SG |
474 | |
475 | find_pc_partial_function (pc, &funcname, NULL, NULL); | |
6131622e | 476 | Tcl_DStringAppendElement (result_ptr, funcname); |
8532893d | 477 | |
637b1661 | 478 | filename = symtab_to_filename (sal.symtab); |
6131622e | 479 | Tcl_DStringAppendElement (result_ptr, filename); |
8532893d | 480 | |
9468f8aa | 481 | dsprintf_append_element (result_ptr, "%d", sal.line); /* line number */ |
754e5da2 | 482 | |
9468f8aa | 483 | dsprintf_append_element (result_ptr, "0x%lx", pc); /* PC */ |
8532893d | 484 | |
754e5da2 SG |
485 | return TCL_OK; |
486 | } | |
487 | \f | |
09722039 SG |
488 | /* This implements the TCL command `gdb_eval'. */ |
489 | ||
490 | static int | |
491 | gdb_eval (clientData, interp, argc, argv) | |
492 | ClientData clientData; | |
493 | Tcl_Interp *interp; | |
494 | int argc; | |
495 | char *argv[]; | |
496 | { | |
497 | struct expression *expr; | |
498 | struct cleanup *old_chain; | |
499 | value_ptr val; | |
500 | ||
501 | if (argc != 2) | |
6131622e | 502 | error ("wrong # args"); |
09722039 SG |
503 | |
504 | expr = parse_expression (argv[1]); | |
505 | ||
506 | old_chain = make_cleanup (free_current_contents, &expr); | |
507 | ||
508 | val = evaluate_expression (expr); | |
509 | ||
09722039 SG |
510 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), |
511 | gdb_stdout, 0, 0, 0, 0); | |
09722039 SG |
512 | |
513 | do_cleanups (old_chain); | |
514 | ||
515 | return TCL_OK; | |
516 | } | |
517 | \f | |
5b21fb68 SG |
518 | /* This implements the TCL command `gdb_sourcelines', which returns a list of |
519 | all of the lines containing executable code for the specified source file | |
520 | (ie: lines where you can put breakpoints). */ | |
521 | ||
522 | static int | |
523 | gdb_sourcelines (clientData, interp, argc, argv) | |
524 | ClientData clientData; | |
525 | Tcl_Interp *interp; | |
526 | int argc; | |
527 | char *argv[]; | |
528 | { | |
529 | struct symtab *symtab; | |
530 | struct linetable_entry *le; | |
531 | int nlines; | |
5b21fb68 SG |
532 | |
533 | if (argc != 2) | |
6131622e | 534 | error ("wrong # args"); |
5b21fb68 SG |
535 | |
536 | symtab = lookup_symtab (argv[1]); | |
537 | ||
538 | if (!symtab) | |
6131622e | 539 | error ("No such file"); |
5b21fb68 SG |
540 | |
541 | /* If there's no linetable, or no entries, then we are done. */ | |
542 | ||
543 | if (!symtab->linetable | |
544 | || symtab->linetable->nitems == 0) | |
545 | { | |
6131622e | 546 | Tcl_DStringAppendElement (result_ptr, ""); |
5b21fb68 SG |
547 | return TCL_OK; |
548 | } | |
549 | ||
550 | le = symtab->linetable->item; | |
551 | nlines = symtab->linetable->nitems; | |
552 | ||
553 | for (;nlines > 0; nlines--, le++) | |
554 | { | |
555 | /* If the pc of this line is the same as the pc of the next line, then | |
556 | just skip it. */ | |
557 | if (nlines > 1 | |
558 | && le->pc == (le + 1)->pc) | |
559 | continue; | |
560 | ||
9468f8aa | 561 | dsprintf_append_element (result_ptr, "%d", le->line); |
5b21fb68 SG |
562 | } |
563 | ||
564 | return TCL_OK; | |
565 | } | |
566 | \f | |
746d1df4 SG |
567 | static int |
568 | map_arg_registers (argc, argv, func, argp) | |
569 | int argc; | |
570 | char *argv[]; | |
6131622e | 571 | void (*func) PARAMS ((int regnum, void *argp)); |
746d1df4 SG |
572 | void *argp; |
573 | { | |
574 | int regnum; | |
575 | ||
576 | /* Note that the test for a valid register must include checking the | |
577 | reg_names array because NUM_REGS may be allocated for the union of the | |
578 | register sets within a family of related processors. In this case, the | |
579 | trailing entries of reg_names will change depending upon the particular | |
580 | processor being debugged. */ | |
581 | ||
582 | if (argc == 0) /* No args, just do all the regs */ | |
583 | { | |
584 | for (regnum = 0; | |
585 | regnum < NUM_REGS | |
586 | && reg_names[regnum] != NULL | |
587 | && *reg_names[regnum] != '\000'; | |
588 | regnum++) | |
589 | func (regnum, argp); | |
590 | ||
591 | return TCL_OK; | |
592 | } | |
593 | ||
594 | /* Else, list of register #s, just do listed regs */ | |
595 | for (; argc > 0; argc--, argv++) | |
596 | { | |
597 | regnum = atoi (*argv); | |
598 | ||
599 | if (regnum >= 0 | |
600 | && regnum < NUM_REGS | |
601 | && reg_names[regnum] != NULL | |
602 | && *reg_names[regnum] != '\000') | |
603 | func (regnum, argp); | |
604 | else | |
6131622e | 605 | error ("bad register number"); |
746d1df4 SG |
606 | } |
607 | ||
608 | return TCL_OK; | |
609 | } | |
610 | ||
6131622e | 611 | static void |
746d1df4 SG |
612 | get_register_name (regnum, argp) |
613 | int regnum; | |
614 | void *argp; /* Ignored */ | |
615 | { | |
6131622e | 616 | Tcl_DStringAppendElement (result_ptr, reg_names[regnum]); |
746d1df4 SG |
617 | } |
618 | ||
5b21fb68 SG |
619 | /* This implements the TCL command `gdb_regnames', which returns a list of |
620 | all of the register names. */ | |
621 | ||
622 | static int | |
623 | gdb_regnames (clientData, interp, argc, argv) | |
624 | ClientData clientData; | |
625 | Tcl_Interp *interp; | |
626 | int argc; | |
627 | char *argv[]; | |
628 | { | |
746d1df4 SG |
629 | argc--; |
630 | argv++; | |
631 | ||
b607efe7 | 632 | return map_arg_registers (argc, argv, get_register_name, NULL); |
746d1df4 SG |
633 | } |
634 | ||
746d1df4 SG |
635 | #ifndef REGISTER_CONVERTIBLE |
636 | #define REGISTER_CONVERTIBLE(x) (0 != 0) | |
637 | #endif | |
638 | ||
639 | #ifndef REGISTER_CONVERT_TO_VIRTUAL | |
640 | #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) | |
641 | #endif | |
642 | ||
643 | #ifndef INVALID_FLOAT | |
644 | #define INVALID_FLOAT(x, y) (0 != 0) | |
645 | #endif | |
646 | ||
6131622e | 647 | static void |
746d1df4 | 648 | get_register (regnum, fp) |
6131622e | 649 | int regnum; |
746d1df4 SG |
650 | void *fp; |
651 | { | |
652 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
653 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
654 | int format = (int)fp; | |
655 | ||
656 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
657 | { | |
6131622e | 658 | Tcl_DStringAppendElement (result_ptr, "Optimized out"); |
746d1df4 SG |
659 | return; |
660 | } | |
661 | ||
746d1df4 SG |
662 | /* Convert raw data to virtual format if necessary. */ |
663 | ||
664 | if (REGISTER_CONVERTIBLE (regnum)) | |
665 | { | |
666 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
667 | raw_buffer, virtual_buffer); | |
668 | } | |
669 | else | |
670 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
671 | ||
3d9f68c0 FF |
672 | if (format == 'r') |
673 | { | |
674 | int j; | |
675 | printf_filtered ("0x"); | |
676 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) | |
677 | { | |
678 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j | |
679 | : REGISTER_RAW_SIZE (regnum) - 1 - j; | |
680 | printf_filtered ("%02x", (unsigned char)raw_buffer[idx]); | |
681 | } | |
682 | } | |
683 | else | |
684 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, | |
685 | gdb_stdout, format, 1, 0, Val_pretty_default); | |
746d1df4 | 686 | |
6131622e | 687 | Tcl_DStringAppend (result_ptr, " ", -1); |
746d1df4 SG |
688 | } |
689 | ||
690 | static int | |
691 | gdb_fetch_registers (clientData, interp, argc, argv) | |
692 | ClientData clientData; | |
693 | Tcl_Interp *interp; | |
694 | int argc; | |
695 | char *argv[]; | |
696 | { | |
697 | int format; | |
698 | ||
699 | if (argc < 2) | |
6131622e | 700 | error ("wrong # args"); |
5b21fb68 | 701 | |
746d1df4 SG |
702 | argc--; |
703 | argv++; | |
5b21fb68 | 704 | |
746d1df4 SG |
705 | argc--; |
706 | format = **argv++; | |
707 | ||
b607efe7 | 708 | return map_arg_registers (argc, argv, get_register, (void *) format); |
746d1df4 SG |
709 | } |
710 | ||
711 | /* This contains the previous values of the registers, since the last call to | |
712 | gdb_changed_register_list. */ | |
713 | ||
714 | static char old_regs[REGISTER_BYTES]; | |
715 | ||
6131622e | 716 | static void |
746d1df4 | 717 | register_changed_p (regnum, argp) |
6131622e | 718 | int regnum; |
746d1df4 SG |
719 | void *argp; /* Ignored */ |
720 | { | |
721 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
746d1df4 SG |
722 | |
723 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
724 | return; | |
725 | ||
726 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
727 | REGISTER_RAW_SIZE (regnum)) == 0) | |
728 | return; | |
729 | ||
fda6fadc | 730 | /* Found a changed register. Save new value and return its number. */ |
746d1df4 SG |
731 | |
732 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
733 | REGISTER_RAW_SIZE (regnum)); | |
734 | ||
9468f8aa | 735 | dsprintf_append_element (result_ptr, "%d", regnum); |
746d1df4 SG |
736 | } |
737 | ||
738 | static int | |
739 | gdb_changed_register_list (clientData, interp, argc, argv) | |
740 | ClientData clientData; | |
741 | Tcl_Interp *interp; | |
742 | int argc; | |
743 | char *argv[]; | |
744 | { | |
746d1df4 SG |
745 | argc--; |
746 | argv++; | |
747 | ||
748 | return map_arg_registers (argc, argv, register_changed_p, NULL); | |
5b21fb68 SG |
749 | } |
750 | \f | |
fda6fadc | 751 | /* This implements the TCL command `gdb_cmd', which sends its argument into |
754e5da2 SG |
752 | the GDB command scanner. */ |
753 | ||
754 | static int | |
755 | gdb_cmd (clientData, interp, argc, argv) | |
756 | ClientData clientData; | |
757 | Tcl_Interp *interp; | |
758 | int argc; | |
759 | char *argv[]; | |
760 | { | |
754e5da2 | 761 | if (argc != 2) |
6131622e | 762 | error ("wrong # args"); |
754e5da2 | 763 | |
fda6fadc SS |
764 | if (running_now) |
765 | return TCL_OK; | |
766 | ||
86db943c | 767 | execute_command (argv[1], 1); |
479f0f18 | 768 | |
754e5da2 | 769 | bpstat_do_actions (&stop_bpstat); |
754e5da2 | 770 | |
754e5da2 SG |
771 | return TCL_OK; |
772 | } | |
773 | ||
86db943c SG |
774 | /* This routine acts as a top-level for all GDB code called by tcl/Tk. It |
775 | handles cleanups, and calls to return_to_top_level (usually via error). | |
776 | This is necessary in order to prevent a longjmp out of the bowels of Tk, | |
777 | possibly leaving things in a bad state. Since this routine can be called | |
778 | recursively, it needs to save and restore the contents of the jmp_buf as | |
779 | necessary. */ | |
780 | ||
781 | static int | |
782 | call_wrapper (clientData, interp, argc, argv) | |
783 | ClientData clientData; | |
784 | Tcl_Interp *interp; | |
785 | int argc; | |
786 | char *argv[]; | |
787 | { | |
788 | int val; | |
789 | struct cleanup *saved_cleanup_chain; | |
790 | Tcl_CmdProc *func; | |
791 | jmp_buf saved_error_return; | |
6131622e SG |
792 | Tcl_DString result, *old_result_ptr; |
793 | ||
794 | Tcl_DStringInit (&result); | |
795 | old_result_ptr = result_ptr; | |
796 | result_ptr = &result; | |
86db943c SG |
797 | |
798 | func = (Tcl_CmdProc *)clientData; | |
799 | memcpy (saved_error_return, error_return, sizeof (jmp_buf)); | |
800 | ||
801 | saved_cleanup_chain = save_cleanups (); | |
802 | ||
803 | if (!setjmp (error_return)) | |
804 | val = func (clientData, interp, argc, argv); | |
805 | else | |
806 | { | |
807 | val = TCL_ERROR; /* Flag an error for TCL */ | |
808 | ||
86db943c SG |
809 | gdb_flush (gdb_stderr); /* Flush error output */ |
810 | ||
09722039 SG |
811 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
812 | ||
fda6fadc SS |
813 | /* In case of an error, we may need to force the GUI into idle |
814 | mode because gdbtk_call_command may have bombed out while in | |
815 | the command routine. */ | |
86db943c | 816 | |
4e327047 | 817 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
86db943c SG |
818 | } |
819 | ||
820 | do_cleanups (ALL_CLEANUPS); | |
821 | ||
822 | restore_cleanups (saved_cleanup_chain); | |
823 | ||
824 | memcpy (error_return, saved_error_return, sizeof (jmp_buf)); | |
825 | ||
6131622e SG |
826 | Tcl_DStringResult (interp, &result); |
827 | result_ptr = old_result_ptr; | |
828 | ||
86db943c SG |
829 | return val; |
830 | } | |
831 | ||
754e5da2 SG |
832 | static int |
833 | gdb_listfiles (clientData, interp, argc, argv) | |
834 | ClientData clientData; | |
835 | Tcl_Interp *interp; | |
836 | int argc; | |
837 | char *argv[]; | |
838 | { | |
754e5da2 SG |
839 | struct objfile *objfile; |
840 | struct partial_symtab *psymtab; | |
546b8ca7 | 841 | struct symtab *symtab; |
754e5da2 SG |
842 | |
843 | ALL_PSYMTABS (objfile, psymtab) | |
6131622e | 844 | Tcl_DStringAppendElement (result_ptr, psymtab->filename); |
754e5da2 | 845 | |
546b8ca7 | 846 | ALL_SYMTABS (objfile, symtab) |
6131622e | 847 | Tcl_DStringAppendElement (result_ptr, symtab->filename); |
546b8ca7 | 848 | |
754e5da2 SG |
849 | return TCL_OK; |
850 | } | |
479f0f18 SG |
851 | |
852 | static int | |
853 | gdb_stop (clientData, interp, argc, argv) | |
854 | ClientData clientData; | |
855 | Tcl_Interp *interp; | |
856 | int argc; | |
857 | char *argv[]; | |
858 | { | |
6c27841f | 859 | target_stop (); |
546b8ca7 SG |
860 | |
861 | return TCL_OK; | |
479f0f18 | 862 | } |
09722039 SG |
863 | \f |
864 | /* This implements the TCL command `gdb_disassemble'. */ | |
479f0f18 | 865 | |
09722039 SG |
866 | static int |
867 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) | |
868 | bfd_vma memaddr; | |
869 | bfd_byte *myaddr; | |
870 | int len; | |
871 | disassemble_info *info; | |
872 | { | |
873 | extern struct target_ops exec_ops; | |
874 | int res; | |
875 | ||
876 | errno = 0; | |
877 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); | |
878 | ||
879 | if (res == len) | |
880 | return 0; | |
881 | else | |
882 | if (errno == 0) | |
883 | return EIO; | |
884 | else | |
885 | return errno; | |
886 | } | |
887 | ||
888 | /* We need a different sort of line table from the normal one cuz we can't | |
889 | depend upon implicit line-end pc's for lines. This is because of the | |
890 | reordering we are about to do. */ | |
891 | ||
892 | struct my_line_entry { | |
893 | int line; | |
894 | CORE_ADDR start_pc; | |
895 | CORE_ADDR end_pc; | |
896 | }; | |
897 | ||
898 | static int | |
899 | compare_lines (mle1p, mle2p) | |
900 | const PTR mle1p; | |
901 | const PTR mle2p; | |
902 | { | |
903 | struct my_line_entry *mle1, *mle2; | |
904 | int val; | |
905 | ||
906 | mle1 = (struct my_line_entry *) mle1p; | |
907 | mle2 = (struct my_line_entry *) mle2p; | |
908 | ||
909 | val = mle1->line - mle2->line; | |
910 | ||
911 | if (val != 0) | |
912 | return val; | |
913 | ||
914 | return mle1->start_pc - mle2->start_pc; | |
915 | } | |
916 | ||
917 | static int | |
918 | gdb_disassemble (clientData, interp, argc, argv) | |
919 | ClientData clientData; | |
920 | Tcl_Interp *interp; | |
921 | int argc; | |
922 | char *argv[]; | |
923 | { | |
924 | CORE_ADDR pc, low, high; | |
925 | int mixed_source_and_assembly; | |
fc941258 DE |
926 | static disassemble_info di; |
927 | static int di_initialized; | |
928 | ||
929 | if (! di_initialized) | |
930 | { | |
91550191 SG |
931 | INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout, |
932 | (fprintf_ftype) fprintf_unfiltered); | |
caeec767 | 933 | di.flavour = bfd_target_unknown_flavour; |
fc941258 DE |
934 | di.memory_error_func = dis_asm_memory_error; |
935 | di.print_address_func = dis_asm_print_address; | |
936 | di_initialized = 1; | |
937 | } | |
09722039 | 938 | |
91550191 SG |
939 | di.mach = tm_print_insn_info.mach; |
940 | if (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
941 | tm_print_insn_info.endian = BFD_ENDIAN_BIG; | |
942 | else | |
943 | tm_print_insn_info.endian = BFD_ENDIAN_LITTLE; | |
944 | ||
09722039 | 945 | if (argc != 3 && argc != 4) |
6131622e | 946 | error ("wrong # args"); |
09722039 SG |
947 | |
948 | if (strcmp (argv[1], "source") == 0) | |
949 | mixed_source_and_assembly = 1; | |
950 | else if (strcmp (argv[1], "nosource") == 0) | |
951 | mixed_source_and_assembly = 0; | |
952 | else | |
6131622e | 953 | error ("First arg must be 'source' or 'nosource'"); |
09722039 SG |
954 | |
955 | low = parse_and_eval_address (argv[2]); | |
956 | ||
957 | if (argc == 3) | |
958 | { | |
959 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) | |
6131622e | 960 | error ("No function contains specified address"); |
09722039 SG |
961 | } |
962 | else | |
963 | high = parse_and_eval_address (argv[3]); | |
964 | ||
965 | /* If disassemble_from_exec == -1, then we use the following heuristic to | |
966 | determine whether or not to do disassembly from target memory or from the | |
967 | exec file: | |
968 | ||
969 | If we're debugging a local process, read target memory, instead of the | |
970 | exec file. This makes disassembly of functions in shared libs work | |
971 | correctly. | |
972 | ||
973 | Else, we're debugging a remote process, and should disassemble from the | |
fda6fadc | 974 | exec file for speed. However, this is no good if the target modifies its |
09722039 SG |
975 | code (for relocation, or whatever). |
976 | */ | |
977 | ||
978 | if (disassemble_from_exec == -1) | |
979 | if (strcmp (target_shortname, "child") == 0 | |
d7c4766c SS |
980 | || strcmp (target_shortname, "procfs") == 0 |
981 | || strcmp (target_shortname, "vxprocess") == 0) | |
09722039 SG |
982 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
983 | else | |
984 | disassemble_from_exec = 1; /* It's remote, read the exec file */ | |
985 | ||
986 | if (disassemble_from_exec) | |
a76ef70a SG |
987 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
988 | else | |
989 | di.read_memory_func = dis_asm_read_memory; | |
09722039 SG |
990 | |
991 | /* If just doing straight assembly, all we need to do is disassemble | |
992 | everything between low and high. If doing mixed source/assembly, we've | |
993 | got a totally different path to follow. */ | |
994 | ||
995 | if (mixed_source_and_assembly) | |
996 | { /* Come here for mixed source/assembly */ | |
997 | /* The idea here is to present a source-O-centric view of a function to | |
998 | the user. This means that things are presented in source order, with | |
999 | (possibly) out of order assembly immediately following. */ | |
1000 | struct symtab *symtab; | |
1001 | struct linetable_entry *le; | |
1002 | int nlines; | |
c81a3fa9 | 1003 | int newlines; |
09722039 SG |
1004 | struct my_line_entry *mle; |
1005 | struct symtab_and_line sal; | |
1006 | int i; | |
1007 | int out_of_order; | |
c81a3fa9 | 1008 | int next_line; |
09722039 SG |
1009 | |
1010 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ | |
1011 | ||
1012 | if (!symtab) | |
1013 | goto assembly_only; | |
1014 | ||
1015 | /* First, convert the linetable to a bunch of my_line_entry's. */ | |
1016 | ||
1017 | le = symtab->linetable->item; | |
1018 | nlines = symtab->linetable->nitems; | |
1019 | ||
1020 | if (nlines <= 0) | |
1021 | goto assembly_only; | |
1022 | ||
1023 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); | |
1024 | ||
1025 | out_of_order = 0; | |
1026 | ||
c81a3fa9 SG |
1027 | /* Copy linetable entries for this function into our data structure, creating |
1028 | end_pc's and setting out_of_order as appropriate. */ | |
1029 | ||
1030 | /* First, skip all the preceding functions. */ | |
1031 | ||
1032 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; | |
1033 | ||
1034 | /* Now, copy all entries before the end of this function. */ | |
1035 | ||
1036 | newlines = 0; | |
1037 | for (; i < nlines - 1 && le[i].pc < high; i++) | |
09722039 | 1038 | { |
c81a3fa9 SG |
1039 | if (le[i].line == le[i + 1].line |
1040 | && le[i].pc == le[i + 1].pc) | |
1041 | continue; /* Ignore duplicates */ | |
1042 | ||
1043 | mle[newlines].line = le[i].line; | |
09722039 SG |
1044 | if (le[i].line > le[i + 1].line) |
1045 | out_of_order = 1; | |
c81a3fa9 SG |
1046 | mle[newlines].start_pc = le[i].pc; |
1047 | mle[newlines].end_pc = le[i + 1].pc; | |
1048 | newlines++; | |
09722039 SG |
1049 | } |
1050 | ||
c81a3fa9 SG |
1051 | /* If we're on the last line, and it's part of the function, then we need to |
1052 | get the end pc in a special way. */ | |
1053 | ||
1054 | if (i == nlines - 1 | |
1055 | && le[i].pc < high) | |
1056 | { | |
1057 | mle[newlines].line = le[i].line; | |
1058 | mle[newlines].start_pc = le[i].pc; | |
1059 | sal = find_pc_line (le[i].pc, 0); | |
1060 | mle[newlines].end_pc = sal.end; | |
1061 | newlines++; | |
1062 | } | |
09722039 SG |
1063 | |
1064 | /* Now, sort mle by line #s (and, then by addresses within lines). */ | |
1065 | ||
1066 | if (out_of_order) | |
c81a3fa9 | 1067 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
09722039 SG |
1068 | |
1069 | /* Now, for each line entry, emit the specified lines (unless they have been | |
1070 | emitted before), followed by the assembly code for that line. */ | |
1071 | ||
c81a3fa9 SG |
1072 | next_line = 0; /* Force out first line */ |
1073 | for (i = 0; i < newlines; i++) | |
09722039 | 1074 | { |
c81a3fa9 SG |
1075 | /* Print out everything from next_line to the current line. */ |
1076 | ||
1077 | if (mle[i].line >= next_line) | |
09722039 | 1078 | { |
c81a3fa9 SG |
1079 | if (next_line != 0) |
1080 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); | |
09722039 | 1081 | else |
c81a3fa9 SG |
1082 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
1083 | ||
1084 | next_line = mle[i].line + 1; | |
09722039 | 1085 | } |
c81a3fa9 | 1086 | |
09722039 SG |
1087 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
1088 | { | |
1089 | QUIT; | |
1090 | fputs_unfiltered (" ", gdb_stdout); | |
1091 | print_address (pc, gdb_stdout); | |
1092 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1093 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1094 | fputs_unfiltered ("\n", gdb_stdout); |
1095 | } | |
1096 | } | |
1097 | } | |
1098 | else | |
1099 | { | |
1100 | assembly_only: | |
1101 | for (pc = low; pc < high; ) | |
1102 | { | |
1103 | QUIT; | |
1104 | fputs_unfiltered (" ", gdb_stdout); | |
1105 | print_address (pc, gdb_stdout); | |
1106 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1107 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1108 | fputs_unfiltered ("\n", gdb_stdout); |
1109 | } | |
1110 | } | |
1111 | ||
09722039 SG |
1112 | gdb_flush (gdb_stdout); |
1113 | ||
1114 | return TCL_OK; | |
1115 | } | |
754e5da2 SG |
1116 | \f |
1117 | static void | |
1118 | tk_command (cmd, from_tty) | |
1119 | char *cmd; | |
1120 | int from_tty; | |
1121 | { | |
546b8ca7 SG |
1122 | int retval; |
1123 | char *result; | |
1124 | struct cleanup *old_chain; | |
1125 | ||
572977a5 FF |
1126 | /* Catch case of no argument, since this will make the tcl interpreter dump core. */ |
1127 | if (cmd == NULL) | |
1128 | error_no_arg ("tcl command to interpret"); | |
1129 | ||
546b8ca7 SG |
1130 | retval = Tcl_Eval (interp, cmd); |
1131 | ||
1132 | result = strdup (interp->result); | |
754e5da2 | 1133 | |
546b8ca7 SG |
1134 | old_chain = make_cleanup (free, result); |
1135 | ||
1136 | if (retval != TCL_OK) | |
1137 | error (result); | |
1138 | ||
1139 | printf_unfiltered ("%s\n", result); | |
1140 | ||
1141 | do_cleanups (old_chain); | |
754e5da2 SG |
1142 | } |
1143 | ||
1144 | static void | |
1145 | cleanup_init (ignored) | |
1146 | int ignored; | |
1147 | { | |
1148 | if (mainWindow != NULL) | |
1149 | Tk_DestroyWindow (mainWindow); | |
1150 | mainWindow = NULL; | |
1151 | ||
1152 | if (interp != NULL) | |
1153 | Tcl_DeleteInterp (interp); | |
1154 | interp = NULL; | |
1155 | } | |
1156 | ||
637b1661 SG |
1157 | /* Come here during long calculations to check for GUI events. Usually invoked |
1158 | via the QUIT macro. */ | |
1159 | ||
1160 | static void | |
1161 | gdbtk_interactive () | |
1162 | { | |
1163 | /* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */ | |
1164 | } | |
1165 | ||
479f0f18 SG |
1166 | /* Come here when there is activity on the X file descriptor. */ |
1167 | ||
1168 | static void | |
1169 | x_event (signo) | |
1170 | int signo; | |
1171 | { | |
1172 | /* Process pending events */ | |
1173 | ||
1174 | while (Tk_DoOneEvent (TK_DONT_WAIT|TK_ALL_EVENTS) != 0); | |
1175 | } | |
1176 | ||
1177 | static int | |
1178 | gdbtk_wait (pid, ourstatus) | |
1179 | int pid; | |
1180 | struct target_waitstatus *ourstatus; | |
1181 | { | |
736a82e7 SG |
1182 | struct sigaction action; |
1183 | static sigset_t nullsigmask = {0}; | |
1184 | ||
1185 | #ifndef SA_RESTART | |
1186 | /* Needed for SunOS 4.1.x */ | |
1187 | #define SA_RESTART 0 | |
546b8ca7 | 1188 | #endif |
479f0f18 | 1189 | |
736a82e7 SG |
1190 | action.sa_handler = x_event; |
1191 | action.sa_mask = nullsigmask; | |
1192 | action.sa_flags = SA_RESTART; | |
1193 | sigaction(SIGIO, &action, NULL); | |
1194 | ||
479f0f18 SG |
1195 | pid = target_wait (pid, ourstatus); |
1196 | ||
736a82e7 SG |
1197 | action.sa_handler = SIG_IGN; |
1198 | sigaction(SIGIO, &action, NULL); | |
479f0f18 SG |
1199 | |
1200 | return pid; | |
1201 | } | |
1202 | ||
1203 | /* This is called from execute_command, and provides a wrapper around | |
1204 | various command routines in a place where both protocol messages and | |
1205 | user input both flow through. Mostly this is used for indicating whether | |
1206 | the target process is running or not. | |
1207 | */ | |
1208 | ||
1209 | static void | |
1210 | gdbtk_call_command (cmdblk, arg, from_tty) | |
1211 | struct cmd_list_element *cmdblk; | |
1212 | char *arg; | |
1213 | int from_tty; | |
1214 | { | |
fda6fadc | 1215 | running_now = 0; |
479f0f18 SG |
1216 | if (cmdblk->class == class_run) |
1217 | { | |
fda6fadc | 1218 | running_now = 1; |
4e327047 | 1219 | Tcl_Eval (interp, "gdbtk_tcl_busy"); |
479f0f18 | 1220 | (*cmdblk->function.cfunc)(arg, from_tty); |
4e327047 | 1221 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
fda6fadc | 1222 | running_now = 0; |
479f0f18 SG |
1223 | } |
1224 | else | |
1225 | (*cmdblk->function.cfunc)(arg, from_tty); | |
1226 | } | |
1227 | ||
5bac2b50 FF |
1228 | /* This function is called instead of gdb's internal command loop. This is the |
1229 | last chance to do anything before entering the main Tk event loop. */ | |
1230 | ||
1231 | static void | |
1232 | tk_command_loop () | |
1233 | { | |
41756e56 FF |
1234 | extern GDB_FILE *instream; |
1235 | ||
1236 | /* We no longer want to use stdin as the command input stream */ | |
1237 | instream = NULL; | |
5bac2b50 FF |
1238 | Tcl_Eval (interp, "gdbtk_tcl_preloop"); |
1239 | Tk_MainLoop (); | |
1240 | } | |
1241 | ||
754e5da2 SG |
1242 | static void |
1243 | gdbtk_init () | |
1244 | { | |
1245 | struct cleanup *old_chain; | |
1246 | char *gdbtk_filename; | |
479f0f18 | 1247 | int i; |
736a82e7 SG |
1248 | struct sigaction action; |
1249 | static sigset_t nullsigmask = {0}; | |
754e5da2 SG |
1250 | |
1251 | old_chain = make_cleanup (cleanup_init, 0); | |
1252 | ||
1253 | /* First init tcl and tk. */ | |
1254 | ||
1255 | interp = Tcl_CreateInterp (); | |
1256 | ||
1257 | if (!interp) | |
1258 | error ("Tcl_CreateInterp failed"); | |
1259 | ||
1260 | mainWindow = Tk_CreateMainWindow (interp, NULL, "gdb", "Gdb"); | |
1261 | ||
1262 | if (!mainWindow) | |
1263 | return; /* DISPLAY probably not set */ | |
1264 | ||
1265 | if (Tcl_Init(interp) != TCL_OK) | |
1266 | error ("Tcl_Init failed: %s", interp->result); | |
1267 | ||
1268 | if (Tk_Init(interp) != TCL_OK) | |
1269 | error ("Tk_Init failed: %s", interp->result); | |
1270 | ||
86db943c SG |
1271 | Tcl_CreateCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
1272 | Tcl_CreateCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); | |
1273 | Tcl_CreateCommand (interp, "gdb_sourcelines", call_wrapper, gdb_sourcelines, | |
1274 | NULL); | |
1275 | Tcl_CreateCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, | |
746d1df4 | 1276 | NULL); |
86db943c SG |
1277 | Tcl_CreateCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
1278 | Tcl_CreateCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); | |
1279 | Tcl_CreateCommand (interp, "gdb_fetch_registers", call_wrapper, | |
1280 | gdb_fetch_registers, NULL); | |
1281 | Tcl_CreateCommand (interp, "gdb_changed_register_list", call_wrapper, | |
1282 | gdb_changed_register_list, NULL); | |
09722039 SG |
1283 | Tcl_CreateCommand (interp, "gdb_disassemble", call_wrapper, |
1284 | gdb_disassemble, NULL); | |
1285 | Tcl_CreateCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); | |
6131622e SG |
1286 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
1287 | gdb_get_breakpoint_list, NULL); | |
1288 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper, | |
1289 | gdb_get_breakpoint_info, NULL); | |
754e5da2 | 1290 | |
5bac2b50 | 1291 | command_loop_hook = tk_command_loop; |
b607efe7 FF |
1292 | print_frame_info_listing_hook = |
1293 | (void (*) PARAMS ((struct symtab *, int, int, int))) null_routine; | |
09722039 SG |
1294 | query_hook = gdbtk_query; |
1295 | flush_hook = gdbtk_flush; | |
1296 | create_breakpoint_hook = gdbtk_create_breakpoint; | |
1297 | delete_breakpoint_hook = gdbtk_delete_breakpoint; | |
6131622e | 1298 | modify_breakpoint_hook = gdbtk_modify_breakpoint; |
09722039 SG |
1299 | interactive_hook = gdbtk_interactive; |
1300 | target_wait_hook = gdbtk_wait; | |
1301 | call_command_hook = gdbtk_call_command; | |
41756e56 FF |
1302 | readline_begin_hook = gdbtk_readline_begin; |
1303 | readline_hook = gdbtk_readline; | |
1304 | readline_end_hook = gdbtk_readline_end; | |
754e5da2 | 1305 | |
cd2df226 | 1306 | /* Get the file descriptor for the X server */ |
479f0f18 | 1307 | |
cd2df226 | 1308 | x_fd = ConnectionNumber (Tk_Display (mainWindow)); |
479f0f18 SG |
1309 | |
1310 | /* Setup for I/O interrupts */ | |
1311 | ||
736a82e7 SG |
1312 | action.sa_mask = nullsigmask; |
1313 | action.sa_flags = 0; | |
1314 | action.sa_handler = SIG_IGN; | |
1315 | sigaction(SIGIO, &action, NULL); | |
1316 | ||
1317 | #ifdef FIOASYNC | |
1318 | i = 1; | |
1319 | if (ioctl (x_fd, FIOASYNC, &i)) | |
1320 | perror_with_name ("gdbtk_init: ioctl FIOASYNC failed"); | |
479f0f18 | 1321 | |
77a89957 | 1322 | #ifdef SIOCSPGRP |
736a82e7 SG |
1323 | i = getpid(); |
1324 | if (ioctl (x_fd, SIOCSPGRP, &i)) | |
1325 | perror_with_name ("gdbtk_init: ioctl SIOCSPGRP failed"); | |
45f90c50 MM |
1326 | |
1327 | #else | |
1328 | #ifdef F_SETOWN | |
1329 | i = getpid(); | |
1330 | if (fcntl (x_fd, F_SETOWN, i)) | |
1331 | perror_with_name ("gdbtk_init: fcntl F_SETOWN failed"); | |
1332 | #endif /* F_SETOWN */ | |
1333 | #endif /* !SIOCSPGRP */ | |
546b8ca7 SG |
1334 | #else |
1335 | if (ioctl (x_fd, I_SETSIG, S_INPUT|S_RDNORM) < 0) | |
736a82e7 SG |
1336 | perror_with_name ("gdbtk_init: ioctl I_SETSIG failed"); |
1337 | #endif /* ifndef FIOASYNC */ | |
479f0f18 | 1338 | |
754e5da2 SG |
1339 | add_com ("tk", class_obscure, tk_command, |
1340 | "Send a command directly into tk."); | |
09722039 | 1341 | |
09722039 SG |
1342 | Tcl_LinkVar (interp, "disassemble-from-exec", (char *)&disassemble_from_exec, |
1343 | TCL_LINK_INT); | |
1344 | ||
1345 | /* Load up gdbtk.tcl after all the environment stuff has been setup. */ | |
1346 | ||
1347 | gdbtk_filename = getenv ("GDBTK_FILENAME"); | |
1348 | if (!gdbtk_filename) | |
1349 | if (access ("gdbtk.tcl", R_OK) == 0) | |
1350 | gdbtk_filename = "gdbtk.tcl"; | |
1351 | else | |
1352 | gdbtk_filename = GDBTK_FILENAME; | |
1353 | ||
724498fd SG |
1354 | /* Defer setup of fputs_unfiltered_hook to near the end so that error messages |
1355 | prior to this point go to stdout/stderr. */ | |
1356 | ||
1357 | fputs_unfiltered_hook = gdbtk_fputs; | |
1358 | ||
09722039 | 1359 | if (Tcl_EvalFile (interp, gdbtk_filename) != TCL_OK) |
724498fd SG |
1360 | { |
1361 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1362 | ||
1363 | fprintf_unfiltered (stderr, "%s:%d: %s\n", gdbtk_filename, | |
1364 | interp->errorLine, interp->result); | |
b66051ec SG |
1365 | |
1366 | fputs_unfiltered ("Stack trace:\n", gdb_stderr); | |
1367 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1368 | error (""); | |
724498fd | 1369 | } |
09722039 SG |
1370 | |
1371 | discard_cleanups (old_chain); | |
754e5da2 SG |
1372 | } |
1373 | ||
3f37b696 | 1374 | /* Come here during initialize_all_files () */ |
754e5da2 SG |
1375 | |
1376 | void | |
1377 | _initialize_gdbtk () | |
1378 | { | |
c5197511 SG |
1379 | if (use_windows) |
1380 | { | |
1381 | /* Tell the rest of the world that Gdbtk is now set up. */ | |
754e5da2 | 1382 | |
c5197511 SG |
1383 | init_ui_hook = gdbtk_init; |
1384 | } | |
754e5da2 | 1385 | } |