Commit | Line | Data |
---|---|---|
ca4e7e14 | 1 | /* Startup code for gdbtk. |
a5f4fbff | 2 | Copyright 1994, 1995, 1996, 1997, 1998 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" | |
018d76dd KS |
30 | #include "gdbcore.h" |
31 | #include "tracepoint.h" | |
929db6e5 | 32 | #include "demangle.h" |
018d76dd KS |
33 | |
34 | #ifdef _WIN32 | |
35 | #include <winuser.h> | |
36 | #endif | |
37 | ||
e6e9507d EZ |
38 | #include <sys/stat.h> |
39 | ||
754e5da2 SG |
40 | #include <tcl.h> |
41 | #include <tk.h> | |
2476848a MH |
42 | #include <itcl.h> |
43 | #include <tix.h> | |
dd3dd918 | 44 | #include "guitcl.h" |
ca4e7e14 | 45 | #include "gdbtk.h" |
2476848a MH |
46 | |
47 | #ifdef IDE | |
018d76dd | 48 | /* start-sanitize-ide */ |
2476848a MH |
49 | #include "event.h" |
50 | #include "idetcl.h" | |
018d76dd KS |
51 | #include "ilutk.h" |
52 | /* end-sanitize-ide */ | |
2476848a MH |
53 | #endif |
54 | ||
73d3dbd4 | 55 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
56 | #include <stdarg.h> |
57 | #else | |
cd2df226 | 58 | #include <varargs.h> |
85c613aa | 59 | #endif |
cd2df226 SG |
60 | #include <signal.h> |
61 | #include <fcntl.h> | |
8532893d | 62 | #include <unistd.h> |
86db943c SG |
63 | #include <setjmp.h> |
64 | #include "top.h" | |
736a82e7 | 65 | #include <sys/ioctl.h> |
2b576293 | 66 | #include "gdb_string.h" |
09722039 | 67 | #include "dis-asm.h" |
6131622e SG |
68 | #include <stdio.h> |
69 | #include "gdbcmd.h" | |
736a82e7 | 70 | |
929db6e5 | 71 | #include "annotate.h" |
018d76dd | 72 | #include <sys/time.h> |
018d76dd | 73 | |
1798621b GN |
74 | #ifdef __CYGWIN__ |
75 | #include <sys/cygwin.h> /* for cygwin32_attach_handle_to_fd */ | |
76 | #endif | |
77 | ||
d836385e | 78 | /* For Cygwin, we use a timer to periodically check for Windows |
ca4e7e14 JI |
79 | messages. FIXME: It would be better to not poll, but to instead |
80 | rewrite the target_wait routines to serve as input sources. | |
81 | Unfortunately, that will be a lot of work. */ | |
82 | static sigset_t nullsigmask; | |
83 | static struct sigaction act1, act2; | |
84 | static struct itimerval it_on, it_off; | |
8b3f9ed6 | 85 | |
94a6f14f MH |
86 | extern int Tktable_Init PARAMS ((Tcl_Interp *interp)); |
87 | ||
2476848a | 88 | static void gdbtk_init PARAMS ((char *)); |
ca4e7e14 | 89 | void gdbtk_interactive PARAMS ((void)); |
b607efe7 FF |
90 | static void cleanup_init PARAMS ((int)); |
91 | static void tk_command PARAMS ((char *, int)); | |
ca4e7e14 | 92 | |
6f5af15b | 93 | void gdbtk_add_hooks PARAMS ((void)); |
ca4e7e14 JI |
94 | int gdbtk_test PARAMS ((char *)); |
95 | ||
96 | /* | |
97 | * gdbtk_fputs is defined in the gdbtk_hooks.c, but we need it here | |
98 | * because we delay adding this hook till all the setup is done. That | |
99 | * way errors will go to stdout. | |
100 | */ | |
101 | ||
102 | extern void gdbtk_fputs PARAMS ((const char *, FILE *)); | |
b607efe7 | 103 | |
754e5da2 | 104 | /* Handle for TCL interpreter */ |
7f6cb62e | 105 | Tcl_Interp *gdbtk_interp = NULL; |
754e5da2 | 106 | |
0776b0b0 | 107 | static int gdbtk_timer_going = 0; |
0776b0b0 | 108 | |
4ff5d55a MH |
109 | /* linked variable used to tell tcl what the current thread is */ |
110 | int gdb_context = 0; | |
111 | ||
ca4e7e14 JI |
112 | /* This variable is true when the inferior is running. See note in |
113 | * gdbtk.h for details. | |
114 | */ | |
ca4e7e14 | 115 | int running_now; |
fda6fadc | 116 | |
7f6cb62e KS |
117 | /* This variable holds the name of a Tcl file which should be sourced by the |
118 | interpreter when it goes idle at startup. Used with the testsuite. */ | |
ca4e7e14 JI |
119 | static char *gdbtk_source_filename = NULL; |
120 | \f | |
9b119644 ILT |
121 | #ifndef _WIN32 |
122 | ||
123 | /* Supply malloc calls for tcl/tk. We do not want to do this on | |
124 | Windows, because Tcl_Alloc is probably in a DLL which will not call | |
125 | the mmalloc routines. */ | |
8c19daa1 SG |
126 | |
127 | char * | |
a5a6e3bd | 128 | Tcl_Alloc (size) |
8c19daa1 SG |
129 | unsigned int size; |
130 | { | |
131 | return xmalloc (size); | |
132 | } | |
133 | ||
134 | char * | |
135 | Tcl_Realloc (ptr, size) | |
136 | char *ptr; | |
137 | unsigned int size; | |
138 | { | |
139 | return xrealloc (ptr, size); | |
140 | } | |
141 | ||
142 | void | |
143 | Tcl_Free(ptr) | |
144 | char *ptr; | |
145 | { | |
146 | free (ptr); | |
147 | } | |
148 | ||
018d76dd | 149 | #endif /* ! _WIN32 */ |
9b119644 | 150 | |
018d76dd KS |
151 | #ifdef _WIN32 |
152 | ||
153 | /* On Windows, if we hold a file open, other programs can't write to | |
ca4e7e14 JI |
154 | * it. In particular, we don't want to hold the executable open, |
155 | * because it will mean that people have to get out of the debugging | |
156 | * session in order to remake their program. So we close it, although | |
157 | * this will cost us if and when we need to reopen it. | |
158 | */ | |
018d76dd | 159 | |
ca4e7e14 | 160 | void |
018d76dd KS |
161 | close_bfds () |
162 | { | |
163 | struct objfile *o; | |
164 | ||
165 | ALL_OBJFILES (o) | |
166 | { | |
167 | if (o->obfd != NULL) | |
168 | bfd_cache_close (o->obfd); | |
169 | } | |
170 | ||
171 | if (exec_bfd != NULL) | |
172 | bfd_cache_close (exec_bfd); | |
173 | } | |
174 | ||
175 | #endif /* _WIN32 */ | |
176 | ||
754e5da2 | 177 | \f |
ca4e7e14 JI |
178 | /* TclDebug (const char *fmt, ...) works just like printf() but |
179 | * sends the output to the GDB TK debug window. | |
180 | * Not for normal use; just a convenient tool for debugging | |
181 | */ | |
41756e56 | 182 | |
ca4e7e14 | 183 | void |
41756e56 | 184 | #ifdef ANSI_PROTOTYPES |
ca4e7e14 | 185 | TclDebug (const char *fmt, ...) |
41756e56 | 186 | #else |
ca4e7e14 | 187 | TclDebug (va_alist) |
41756e56 FF |
188 | va_dcl |
189 | #endif | |
190 | { | |
191 | va_list args; | |
ca4e7e14 | 192 | char buf[512], *v[2], *merge; |
41756e56 FF |
193 | |
194 | #ifdef ANSI_PROTOTYPES | |
ca4e7e14 | 195 | va_start (args, fmt); |
41756e56 | 196 | #else |
ca4e7e14 | 197 | char *fmt; |
41756e56 | 198 | va_start (args); |
ca4e7e14 | 199 | fmt = va_arg (args, char *); |
41756e56 FF |
200 | #endif |
201 | ||
ca4e7e14 JI |
202 | v[0] = "debug"; |
203 | v[1] = buf; | |
41756e56 | 204 | |
ca4e7e14 JI |
205 | vsprintf (buf, fmt, args); |
206 | va_end (args); | |
018d76dd | 207 | |
ca4e7e14 JI |
208 | merge = Tcl_Merge (2, v); |
209 | Tcl_Eval (gdbtk_interp, merge); | |
210 | Tcl_Free (merge); | |
41756e56 FF |
211 | } |
212 | ||
ca4e7e14 JI |
213 | \f |
214 | /* | |
215 | * The rest of this file contains the start-up, and event handling code for gdbtk. | |
216 | */ | |
217 | ||
218 | /* | |
219 | * This cleanup function is added to the cleanup list that surrounds the Tk | |
220 | * main in gdbtk_init. It deletes the Tcl interpreter. | |
221 | */ | |
222 | ||
41756e56 | 223 | static void |
ca4e7e14 JI |
224 | cleanup_init (ignored) |
225 | int ignored; | |
41756e56 | 226 | { |
ca4e7e14 JI |
227 | if (gdbtk_interp != NULL) |
228 | Tcl_DeleteInterp (gdbtk_interp); | |
229 | gdbtk_interp = NULL; | |
41756e56 FF |
230 | } |
231 | ||
ca4e7e14 JI |
232 | /* Come here during long calculations to check for GUI events. Usually invoked |
233 | via the QUIT macro. */ | |
234 | ||
235 | void | |
236 | gdbtk_interactive () | |
929db6e5 | 237 | { |
ca4e7e14 | 238 | /* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */ |
929db6e5 EZ |
239 | } |
240 | ||
ca4e7e14 JI |
241 | |
242 | void | |
243 | gdbtk_start_timer () | |
6131622e | 244 | { |
ca4e7e14 JI |
245 | static int first = 1; |
246 | /*TclDebug ("Starting timer....");*/ | |
247 | if (first) | |
248 | { | |
249 | /* first time called, set up all the structs */ | |
250 | first = 0; | |
251 | sigemptyset (&nullsigmask); | |
85c613aa | 252 | |
ca4e7e14 JI |
253 | act1.sa_handler = x_event; |
254 | act1.sa_mask = nullsigmask; | |
255 | act1.sa_flags = 0; | |
6131622e | 256 | |
ca4e7e14 JI |
257 | act2.sa_handler = SIG_IGN; |
258 | act2.sa_mask = nullsigmask; | |
259 | act2.sa_flags = 0; | |
6131622e | 260 | |
ca4e7e14 JI |
261 | it_on.it_interval.tv_sec = 0; |
262 | it_on.it_interval.tv_usec = 250000; /* .25 sec */ | |
263 | it_on.it_value.tv_sec = 0; | |
264 | it_on.it_value.tv_usec = 250000; | |
6131622e | 265 | |
ca4e7e14 JI |
266 | it_off.it_interval.tv_sec = 0; |
267 | it_off.it_interval.tv_usec = 0; | |
268 | it_off.it_value.tv_sec = 0; | |
269 | it_off.it_value.tv_usec = 0; | |
270 | } | |
271 | ||
272 | if (!gdbtk_timer_going) | |
273 | { | |
274 | sigaction (SIGALRM, &act1, NULL); | |
275 | setitimer (ITIMER_REAL, &it_on, NULL); | |
276 | gdbtk_timer_going = 1; | |
277 | } | |
6131622e SG |
278 | } |
279 | ||
ca4e7e14 JI |
280 | void |
281 | gdbtk_stop_timer () | |
8a19b35a | 282 | { |
ca4e7e14 | 283 | if (gdbtk_timer_going) |
8a19b35a | 284 | { |
ca4e7e14 JI |
285 | gdbtk_timer_going = 0; |
286 | /*TclDebug ("Stopping timer.");*/ | |
287 | setitimer (ITIMER_REAL, &it_off, NULL); | |
288 | sigaction (SIGALRM, &act2, NULL); | |
8a19b35a | 289 | } |
8a19b35a MH |
290 | } |
291 | ||
ca4e7e14 | 292 | /* gdbtk_init installs this function as a final cleanup. */ |
6131622e | 293 | |
ca4e7e14 JI |
294 | static void |
295 | gdbtk_cleanup (dummy) | |
296 | PTR dummy; | |
297 | { | |
4d14b252 | 298 | Tcl_Eval (gdbtk_interp, "gdbtk_cleanup"); |
ca4e7e14 | 299 | #ifdef IDE |
1dd251f9 DM |
300 | { |
301 | struct ide_event_handle *h = (struct ide_event_handle *) dummy; | |
302 | ide_interface_deregister_all (h); | |
303 | } | |
ca4e7e14 JI |
304 | #endif |
305 | Tcl_Finalize (); | |
6131622e SG |
306 | } |
307 | ||
ca4e7e14 JI |
308 | /* Initialize gdbtk. This involves creating a Tcl interpreter, |
309 | * defining all the Tcl commands that the GUI will use, pointing | |
310 | * all the gdb "hooks" to the correct functions, | |
311 | * and setting the Tcl auto loading environment so that we can find all | |
312 | * the Tcl based library files. | |
313 | */ | |
314 | ||
754e5da2 | 315 | static void |
ca4e7e14 JI |
316 | gdbtk_init ( argv0 ) |
317 | char *argv0; | |
754e5da2 | 318 | { |
ca4e7e14 JI |
319 | struct cleanup *old_chain; |
320 | char *lib, *gdbtk_lib, *gdbtk_lib_tmp, *gdbtk_file; | |
6f5af15b | 321 | int found_main; |
ca4e7e14 | 322 | Tcl_Obj *auto_path_elem, *auto_path_name; |
6f5af15b | 323 | |
ca4e7e14 JI |
324 | #ifdef IDE |
325 | /* start-sanitize-ide */ | |
326 | struct ide_event_handle *h; | |
327 | const char *errmsg; | |
328 | char *libexecdir; | |
329 | /* end-sanitize-ide */ | |
330 | #endif | |
331 | ||
332 | /* If there is no DISPLAY environment variable, Tk_Init below will fail, | |
333 | causing gdb to abort. If instead we simply return here, gdb will | |
334 | gracefully degrade to using the command line interface. */ | |
754e5da2 | 335 | |
d836385e | 336 | #ifndef _WIN32 |
ca4e7e14 | 337 | if (getenv ("DISPLAY") == NULL) |
754e5da2 | 338 | return; |
ca4e7e14 | 339 | #endif |
754e5da2 | 340 | |
ad3b8c4a | 341 | old_chain = make_cleanup ((make_cleanup_func) cleanup_init, 0); |
929db6e5 | 342 | |
ca4e7e14 JI |
343 | /* First init tcl and tk. */ |
344 | Tcl_FindExecutable (argv0); | |
345 | gdbtk_interp = Tcl_CreateInterp (); | |
754e5da2 | 346 | |
ca4e7e14 JI |
347 | #ifdef TCL_MEM_DEBUG |
348 | Tcl_InitMemory (gdbtk_interp); | |
349 | #endif | |
754e5da2 | 350 | |
ca4e7e14 JI |
351 | if (!gdbtk_interp) |
352 | error ("Tcl_CreateInterp failed"); | |
754e5da2 | 353 | |
ca4e7e14 JI |
354 | if (Tcl_Init(gdbtk_interp) != TCL_OK) |
355 | error ("Tcl_Init failed: %s", gdbtk_interp->result); | |
754e5da2 | 356 | |
ca4e7e14 JI |
357 | #ifndef IDE |
358 | /* For the IDE we register the cleanup later, after we've | |
359 | initialized events. */ | |
360 | make_final_cleanup (gdbtk_cleanup, NULL); | |
746d1df4 SG |
361 | #endif |
362 | ||
ca4e7e14 JI |
363 | /* Initialize the Paths variable. */ |
364 | if (ide_initialize_paths (gdbtk_interp, "gdbtcl") != TCL_OK) | |
365 | error ("ide_initialize_paths failed: %s", gdbtk_interp->result); | |
746d1df4 | 366 | |
ca4e7e14 JI |
367 | #ifdef IDE |
368 | /* start-sanitize-ide */ | |
369 | /* Find the directory where we expect to find idemanager. We ignore | |
370 | errors since it doesn't really matter if this fails. */ | |
371 | libexecdir = Tcl_GetVar2 (gdbtk_interp, "Paths", "libexecdir", TCL_GLOBAL_ONLY); | |
746d1df4 | 372 | |
ca4e7e14 | 373 | IluTk_Init (); |
929db6e5 | 374 | |
ca4e7e14 JI |
375 | h = ide_event_init_from_environment (&errmsg, libexecdir); |
376 | make_final_cleanup (gdbtk_cleanup, h); | |
377 | if (h == NULL) | |
746d1df4 | 378 | { |
ca4e7e14 JI |
379 | Tcl_AppendResult (gdbtk_interp, "can't initialize event system: ", errmsg, |
380 | (char *) NULL); | |
381 | fprintf(stderr, "WARNING: ide_event_init_client failed: %s\n", gdbtk_interp->result); | |
746d1df4 | 382 | |
ca4e7e14 | 383 | Tcl_SetVar (gdbtk_interp, "IDE_ENABLED", "0", 0); |
746d1df4 | 384 | } |
ca4e7e14 | 385 | else |
3d9f68c0 | 386 | { |
ca4e7e14 JI |
387 | if (ide_create_tclevent_command (gdbtk_interp, h) != TCL_OK) |
388 | error ("ide_create_tclevent_command failed: %s", gdbtk_interp->result); | |
0422b59e | 389 | |
ca4e7e14 JI |
390 | if (ide_create_edit_command (gdbtk_interp, h) != TCL_OK) |
391 | error ("ide_create_edit_command failed: %s", gdbtk_interp->result); | |
392 | ||
393 | if (ide_create_property_command (gdbtk_interp, h) != TCL_OK) | |
394 | error ("ide_create_property_command failed: %s", gdbtk_interp->result); | |
018d76dd | 395 | |
ca4e7e14 JI |
396 | if (ide_create_build_command (gdbtk_interp, h) != TCL_OK) |
397 | error ("ide_create_build_command failed: %s", gdbtk_interp->result); | |
754e5da2 | 398 | |
ca4e7e14 JI |
399 | if (ide_create_window_register_command (gdbtk_interp, h, "gdb-restore") |
400 | != TCL_OK) | |
401 | error ("ide_create_window_register_command failed: %s", | |
402 | gdbtk_interp->result); | |
fda6fadc | 403 | |
ca4e7e14 JI |
404 | if (ide_create_window_command (gdbtk_interp, h) != TCL_OK) |
405 | error ("ide_create_window_command failed: %s", gdbtk_interp->result); | |
0b7148e4 | 406 | |
ca4e7e14 JI |
407 | if (ide_create_exit_command (gdbtk_interp, h) != TCL_OK) |
408 | error ("ide_create_exit_command failed: %s", gdbtk_interp->result); | |
018d76dd | 409 | |
ca4e7e14 JI |
410 | if (ide_create_help_command (gdbtk_interp) != TCL_OK) |
411 | error ("ide_create_help_command failed: %s", gdbtk_interp->result); | |
018d76dd | 412 | |
ca4e7e14 JI |
413 | /* |
414 | if (ide_initialize (gdbtk_interp, "gdb") != TCL_OK) | |
415 | error ("ide_initialize failed: %s", gdbtk_interp->result); | |
416 | */ | |
479f0f18 | 417 | |
ca4e7e14 | 418 | Tcl_SetVar (gdbtk_interp, "IDE_ENABLED", "1", 0); |
7234efcb | 419 | } |
ca4e7e14 JI |
420 | /* end-sanitize-ide */ |
421 | #else | |
422 | Tcl_SetVar (gdbtk_interp, "IDE_ENABLED", "0", 0); | |
423 | #endif /* IDE */ | |
0776b0b0 | 424 | |
ca4e7e14 JI |
425 | /* We don't want to open the X connection until we've done all the |
426 | IDE initialization. Otherwise, goofy looking unfinished windows | |
427 | pop up when ILU drops into the TCL event loop. */ | |
86db943c | 428 | |
ca4e7e14 JI |
429 | if (Tk_Init(gdbtk_interp) != TCL_OK) |
430 | error ("Tk_Init failed: %s", gdbtk_interp->result); | |
86db943c | 431 | |
ca4e7e14 JI |
432 | if (Itcl_Init(gdbtk_interp) == TCL_ERROR) |
433 | error ("Itcl_Init failed: %s", gdbtk_interp->result); | |
434 | Tcl_StaticPackage(gdbtk_interp, "Tktable", Tktable_Init, | |
435 | (Tcl_PackageInitProc *) NULL); | |
09722039 | 436 | |
ca4e7e14 JI |
437 | if (Tix_Init(gdbtk_interp) != TCL_OK) |
438 | error ("Tix_Init failed: %s", gdbtk_interp->result); | |
439 | Tcl_StaticPackage(gdbtk_interp, "Tktable", Tktable_Init, | |
440 | (Tcl_PackageInitProc *) NULL); | |
86db943c | 441 | |
ca4e7e14 JI |
442 | if (Tktable_Init(gdbtk_interp) != TCL_OK) |
443 | error ("Tktable_Init failed: %s", gdbtk_interp->result); | |
929db6e5 | 444 | |
ca4e7e14 JI |
445 | Tcl_StaticPackage(gdbtk_interp, "Tktable", Tktable_Init, |
446 | (Tcl_PackageInitProc *) NULL); | |
447 | /* | |
448 | * These are the commands to do some Windows Specific stuff... | |
449 | */ | |
018d76dd | 450 | |
d836385e | 451 | #ifdef __CYGWIN__ |
ca4e7e14 JI |
452 | if (ide_create_messagebox_command (gdbtk_interp) != TCL_OK) |
453 | error ("messagebox command initialization failed"); | |
454 | /* On Windows, create a sizebox widget command */ | |
455 | if (ide_create_sizebox_command (gdbtk_interp) != TCL_OK) | |
456 | error ("sizebox creation failed"); | |
457 | if (ide_create_winprint_command (gdbtk_interp) != TCL_OK) | |
458 | error ("windows print code initialization failed"); | |
018d76dd | 459 | /* start-sanitize-ide */ |
ca4e7e14 JI |
460 | /* An interface to ShellExecute. */ |
461 | if (ide_create_shell_execute_command (gdbtk_interp) != TCL_OK) | |
462 | error ("shell execute command initialization failed"); | |
018d76dd | 463 | /* end-sanitize-ide */ |
ca4e7e14 JI |
464 | if (ide_create_win_grab_command (gdbtk_interp) != TCL_OK) |
465 | error ("grab support command initialization failed"); | |
466 | /* Path conversion functions. */ | |
467 | if (ide_create_cygwin_path_command (gdbtk_interp) != TCL_OK) | |
468 | error ("cygwin path command initialization failed"); | |
469 | #endif | |
018d76dd | 470 | |
ca4e7e14 JI |
471 | /* |
472 | * This adds all the Gdbtk commands. | |
473 | */ | |
474 | ||
475 | if (Gdbtk_Init(gdbtk_interp) != TCL_OK) | |
018d76dd | 476 | { |
ca4e7e14 | 477 | error("Gdbtk_Init failed: %s", gdbtk_interp->result); |
018d76dd | 478 | } |
4f17e6eb | 479 | |
ca4e7e14 JI |
480 | Tcl_StaticPackage(gdbtk_interp, "Gdbtk", Gdbtk_Init, NULL); |
481 | ||
482 | /* This adds all the hooks that call up from the bowels of gdb | |
483 | * back into Tcl-land... | |
484 | */ | |
e0f7db02 | 485 | |
ca4e7e14 JI |
486 | gdbtk_add_hooks(); |
487 | ||
488 | /* Add a back door to Tk from the gdb console... */ | |
e0f7db02 | 489 | |
ca4e7e14 JI |
490 | add_com ("tk", class_obscure, tk_command, |
491 | "Send a command directly into tk."); | |
e0f7db02 | 492 | |
ca4e7e14 | 493 | /* find the gdb tcl library and source main.tcl */ |
929db6e5 | 494 | |
ca4e7e14 JI |
495 | gdbtk_lib = getenv ("GDBTK_LIBRARY"); |
496 | if (!gdbtk_lib) | |
6f5af15b MH |
497 | { |
498 | if (access ("gdbtcl/main.tcl", R_OK) == 0) | |
499 | gdbtk_lib = "gdbtcl"; | |
500 | else | |
501 | gdbtk_lib = GDBTK_LIBRARY; | |
502 | } | |
503 | ||
ca4e7e14 | 504 | gdbtk_lib_tmp = xstrdup (gdbtk_lib); |
929db6e5 | 505 | |
ca4e7e14 JI |
506 | found_main = 0; |
507 | /* see if GDBTK_LIBRARY is a path list */ | |
508 | lib = strtok (gdbtk_lib_tmp, GDBTK_PATH_SEP); | |
929db6e5 | 509 | |
ca4e7e14 | 510 | auto_path_name = Tcl_NewStringObj ("auto_path", -1); |
929db6e5 | 511 | |
ca4e7e14 | 512 | do |
929db6e5 | 513 | { |
ca4e7e14 JI |
514 | auto_path_elem = Tcl_NewStringObj (lib, -1); |
515 | if (Tcl_ObjSetVar2 (gdbtk_interp, auto_path_name, NULL, auto_path_elem, | |
516 | TCL_GLOBAL_ONLY | TCL_APPEND_VALUE | TCL_LIST_ELEMENT ) == NULL) | |
929db6e5 | 517 | { |
ca4e7e14 JI |
518 | fputs_unfiltered (Tcl_GetVar (gdbtk_interp, "errorInfo", 0), gdb_stderr); |
519 | error (""); | |
929db6e5 | 520 | } |
ca4e7e14 | 521 | if (!found_main) |
929db6e5 | 522 | { |
ca4e7e14 JI |
523 | gdbtk_file = concat (lib, "/main.tcl", (char *) NULL); |
524 | if (access (gdbtk_file, R_OK) == 0) | |
929db6e5 | 525 | { |
ca4e7e14 JI |
526 | found_main++; |
527 | Tcl_SetVar (gdbtk_interp, "GDBTK_LIBRARY", lib, 0); | |
929db6e5 EZ |
528 | } |
529 | } | |
ca4e7e14 JI |
530 | } |
531 | while ((lib = strtok (NULL, ":")) != NULL); | |
929db6e5 | 532 | |
ca4e7e14 JI |
533 | free (gdbtk_lib_tmp); |
534 | Tcl_DecrRefCount(auto_path_name); | |
e0f7db02 | 535 | |
ca4e7e14 | 536 | if (!found_main) |
e6e9507d | 537 | { |
ca4e7e14 | 538 | /* Try finding it with the auto path. */ |
929db6e5 | 539 | |
ca4e7e14 JI |
540 | static const char script[] ="\ |
541 | proc gdbtk_find_main {} {\n\ | |
542 | global auto_path GDBTK_LIBRARY\n\ | |
543 | foreach dir $auto_path {\n\ | |
544 | set f [file join $dir main.tcl]\n\ | |
545 | if {[file exists $f]} then {\n\ | |
546 | set GDBTK_LIBRARY $dir\n\ | |
547 | return $f\n\ | |
548 | }\n\ | |
549 | }\n\ | |
550 | return ""\n\ | |
551 | }\n\ | |
552 | gdbtk_find_main"; | |
929db6e5 | 553 | |
ca4e7e14 JI |
554 | if (Tcl_GlobalEval (gdbtk_interp, (char *) script) != TCL_OK) |
555 | { | |
556 | fputs_unfiltered (Tcl_GetVar (gdbtk_interp, "errorInfo", 0), gdb_stderr); | |
557 | error (""); | |
558 | } | |
929db6e5 | 559 | |
ca4e7e14 | 560 | if (gdbtk_interp->result[0] != '\0') |
929db6e5 | 561 | { |
ca4e7e14 JI |
562 | gdbtk_file = xstrdup (gdbtk_interp->result); |
563 | found_main++; | |
929db6e5 EZ |
564 | } |
565 | } | |
11f91b2b | 566 | |
ca4e7e14 | 567 | if (!found_main) |
929db6e5 | 568 | { |
ca4e7e14 JI |
569 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ |
570 | if (getenv("GDBTK_LIBRARY")) | |
929db6e5 | 571 | { |
ca4e7e14 JI |
572 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n",getenv("GDBTK_LIBRARY")); |
573 | fprintf_unfiltered (stderr, | |
574 | "Please set GDBTK_LIBRARY to a path that includes the GDB tcl files.\n"); | |
929db6e5 EZ |
575 | } |
576 | else | |
577 | { | |
ca4e7e14 JI |
578 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n", GDBTK_LIBRARY); |
579 | fprintf_unfiltered (stderr, "You might want to set GDBTK_LIBRARY\n"); | |
929db6e5 | 580 | } |
ca4e7e14 | 581 | error(""); |
929db6e5 | 582 | } |
11f91b2b | 583 | |
ca4e7e14 JI |
584 | /* Defer setup of fputs_unfiltered_hook to near the end so that error messages |
585 | prior to this point go to stdout/stderr. */ | |
929db6e5 | 586 | |
ca4e7e14 | 587 | fputs_unfiltered_hook = gdbtk_fputs; |
929db6e5 | 588 | |
ca4e7e14 JI |
589 | /* start-sanitize-tclpro */ |
590 | #ifdef TCLPRO_DEBUGGER | |
591 | { | |
592 | Tcl_DString source_cmd; | |
929db6e5 | 593 | |
ca4e7e14 JI |
594 | Tcl_DStringInit (&source_cmd); |
595 | Tcl_DStringAppend (&source_cmd, | |
596 | "if {[info exists env(DEBUG_STUB)]} {source $env(DEBUG_STUB); " -1); | |
597 | Tcl_DStringAppend (&source_cmd, "debugger_init; debugger_eval {source {", -1); | |
598 | Tcl_DStringAppend (&source_cmd, gdbtk_file, -1); | |
599 | Tcl_DStringAppend (&source_cmd, "}}} else {source {", -1); | |
600 | Tcl_DStringAppend (&source_cmd, gdbtk_file, -1); | |
601 | Tcl_DStringAppend (&source_cmd, "}}", -1); | |
602 | if (Tcl_GlobalEval (gdbtk_interp, Tcl_DStringValue (&source_cmd)) != TCL_OK) | |
603 | #else | |
604 | /* end-sanitize-tclpro */ | |
605 | if (Tcl_EvalFile (gdbtk_interp, gdbtk_file) != TCL_OK) | |
606 | /* start-sanitize-tclpro */ | |
607 | #endif | |
608 | /* end-sanitize-tclpro */ | |
609 | { | |
610 | char *msg; | |
929db6e5 | 611 | |
ca4e7e14 JI |
612 | /* Force errorInfo to be set up propertly. */ |
613 | Tcl_AddErrorInfo (gdbtk_interp, ""); | |
e0f7db02 | 614 | |
ca4e7e14 | 615 | msg = Tcl_GetVar (gdbtk_interp, "errorInfo", TCL_GLOBAL_ONLY); |
4f17e6eb | 616 | |
ca4e7e14 | 617 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ |
7f6cb62e | 618 | |
ca4e7e14 JI |
619 | #ifdef _WIN32 |
620 | MessageBox (NULL, msg, NULL, MB_OK | MB_ICONERROR | MB_TASKMODAL); | |
621 | #else | |
622 | fputs_unfiltered (msg, gdb_stderr); | |
623 | #endif | |
7f6cb62e | 624 | |
ca4e7e14 | 625 | error (""); |
7f6cb62e | 626 | } |
ca4e7e14 JI |
627 | /* start-sanitize-tclpro */ |
628 | #ifdef TCLPRO_DEBUGGER | |
629 | Tcl_DStringFree(&source_cmd); | |
7f6cb62e | 630 | } |
ca4e7e14 JI |
631 | #endif |
632 | /* end-sanitize-tclpro */ | |
7f6cb62e | 633 | |
ca4e7e14 JI |
634 | #ifdef IDE |
635 | /* start-sanitize-ide */ | |
636 | /* Don't do this until we have initialized. Otherwise, we may get a | |
637 | run command before we are ready for one. */ | |
638 | if (ide_run_server_init (gdbtk_interp, h) != TCL_OK) | |
639 | error ("ide_run_server_init failed: %s", gdbtk_interp->result); | |
640 | /* end-sanitize-ide */ | |
641 | #endif | |
7f6cb62e | 642 | |
ca4e7e14 | 643 | free (gdbtk_file); |
7f6cb62e | 644 | |
ca4e7e14 JI |
645 | /* Now source in the filename provided by the --tclcommand option. |
646 | This is mostly used for the gdbtk testsuite... */ | |
7f6cb62e | 647 | |
ca4e7e14 JI |
648 | if (gdbtk_source_filename != NULL) |
649 | { | |
650 | char *s = "after idle source "; | |
651 | char *script = concat (s, gdbtk_source_filename, (char *) NULL); | |
652 | Tcl_Eval (gdbtk_interp, script); | |
653 | free (gdbtk_source_filename); | |
654 | free (script); | |
655 | } | |
656 | ||
657 | ||
658 | discard_cleanups (old_chain); | |
7f6cb62e KS |
659 | } |
660 | ||
ca4e7e14 JI |
661 | /* gdbtk_test is used in main.c to validate the -tclcommand option to |
662 | gdb, which sources in a file of tcl code after idle during the | |
663 | startup procedure. */ | |
664 | ||
7f6cb62e KS |
665 | int |
666 | gdbtk_test (filename) | |
667 | char *filename; | |
668 | { | |
669 | if (access (filename, R_OK) != 0) | |
670 | return 0; | |
671 | else | |
672 | gdbtk_source_filename = xstrdup (filename); | |
673 | return 1; | |
674 | } | |
ca4e7e14 | 675 | |
3f37b696 | 676 | /* Come here during initialize_all_files () */ |
754e5da2 SG |
677 | |
678 | void | |
679 | _initialize_gdbtk () | |
680 | { | |
c5197511 SG |
681 | if (use_windows) |
682 | { | |
683 | /* Tell the rest of the world that Gdbtk is now set up. */ | |
754e5da2 | 684 | |
c5197511 | 685 | init_ui_hook = gdbtk_init; |
d836385e | 686 | #ifdef __CYGWIN__ |
47792960 KS |
687 | (void) FreeConsole (); |
688 | #endif | |
c5197511 | 689 | } |
d836385e | 690 | #ifdef __CYGWIN__ |
cb432079 EZ |
691 | else |
692 | { | |
693 | DWORD ft = GetFileType (GetStdHandle (STD_INPUT_HANDLE)); | |
cb432079 EZ |
694 | |
695 | switch (ft) | |
696 | { | |
697 | case FILE_TYPE_DISK: | |
698 | case FILE_TYPE_CHAR: | |
699 | case FILE_TYPE_PIPE: | |
700 | break; | |
701 | default: | |
702 | AllocConsole(); | |
1798621b GN |
703 | cygwin32_attach_handle_to_fd ("/dev/conin", 0, |
704 | GetStdHandle (STD_INPUT_HANDLE), | |
705 | 1, GENERIC_READ); | |
706 | cygwin32_attach_handle_to_fd ("/dev/conout", 1, | |
707 | GetStdHandle (STD_OUTPUT_HANDLE), | |
708 | 0, GENERIC_WRITE); | |
709 | cygwin32_attach_handle_to_fd ("/dev/conout", 2, | |
710 | GetStdHandle (STD_ERROR_HANDLE), | |
711 | 0, GENERIC_WRITE); | |
cb432079 EZ |
712 | break; |
713 | } | |
714 | } | |
715 | #endif | |
754e5da2 | 716 | } |
ca4e7e14 JI |
717 | |
718 | static void | |
719 | tk_command (cmd, from_tty) | |
720 | char *cmd; | |
721 | int from_tty; | |
722 | { | |
723 | int retval; | |
724 | char *result; | |
725 | struct cleanup *old_chain; | |
726 | ||
727 | /* Catch case of no argument, since this will make the tcl interpreter dump core. */ | |
728 | if (cmd == NULL) | |
729 | error_no_arg ("tcl command to interpret"); | |
730 | ||
731 | retval = Tcl_Eval (gdbtk_interp, cmd); | |
732 | ||
733 | result = strdup (gdbtk_interp->result); | |
734 | ||
735 | old_chain = make_cleanup (free, result); | |
736 | ||
737 | if (retval != TCL_OK) | |
738 | error (result); | |
739 | ||
740 | printf_unfiltered ("%s\n", result); | |
741 | ||
742 | do_cleanups (old_chain); | |
743 | } | |
744 |