Commit | Line | Data |
---|---|---|
4604b34c | 1 | /* Tcl/Tk interface routines. |
8a19b35a | 2 | Copyright 1994, 1995, 1996, 1997 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" | |
32 | ||
33 | #ifdef _WIN32 | |
34 | #include <winuser.h> | |
35 | #endif | |
36 | ||
754e5da2 SG |
37 | #include <tcl.h> |
38 | #include <tk.h> | |
2476848a MH |
39 | #include <itcl.h> |
40 | #include <tix.h> | |
dd3dd918 | 41 | #include "guitcl.h" |
2476848a MH |
42 | |
43 | #ifdef IDE | |
018d76dd | 44 | /* start-sanitize-ide */ |
2476848a MH |
45 | #include "event.h" |
46 | #include "idetcl.h" | |
018d76dd KS |
47 | #include "ilutk.h" |
48 | /* end-sanitize-ide */ | |
2476848a MH |
49 | #endif |
50 | ||
73d3dbd4 | 51 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
52 | #include <stdarg.h> |
53 | #else | |
cd2df226 | 54 | #include <varargs.h> |
85c613aa | 55 | #endif |
cd2df226 SG |
56 | #include <signal.h> |
57 | #include <fcntl.h> | |
8532893d | 58 | #include <unistd.h> |
86db943c SG |
59 | #include <setjmp.h> |
60 | #include "top.h" | |
736a82e7 | 61 | #include <sys/ioctl.h> |
2b576293 | 62 | #include "gdb_string.h" |
09722039 | 63 | #include "dis-asm.h" |
6131622e SG |
64 | #include <stdio.h> |
65 | #include "gdbcmd.h" | |
736a82e7 | 66 | |
8a19b35a | 67 | #ifndef WINNT |
736a82e7 | 68 | #ifndef FIOASYNC |
546b8ca7 SG |
69 | #include <sys/stropts.h> |
70 | #endif | |
8a19b35a MH |
71 | #endif |
72 | ||
018d76dd KS |
73 | #ifdef __CYGWIN32__ |
74 | #include <sys/time.h> | |
75 | #endif | |
76 | ||
8a19b35a MH |
77 | #ifdef WINNT |
78 | #define GDBTK_PATH_SEP ";" | |
79 | #else | |
80 | #define GDBTK_PATH_SEP ":" | |
81 | #endif | |
754e5da2 | 82 | |
8b3f9ed6 | 83 | /* Some versions (1.3.79, 1.3.81) of Linux don't support SIOCSPGRP the way |
3f37b696 | 84 | gdbtk wants to use it... */ |
8b3f9ed6 MM |
85 | #ifdef __linux__ |
86 | #undef SIOCSPGRP | |
87 | #endif | |
88 | ||
e0f7db02 | 89 | extern char *source_path; /* from source.c */ |
018d76dd KS |
90 | int gdbtk_load_hash PARAMS ((char *, unsigned long)); |
91 | int (*ui_load_progress_hook) PARAMS ((char *, unsigned long)); | |
92 | ||
b607efe7 FF |
93 | static void null_routine PARAMS ((int)); |
94 | static void gdbtk_flush PARAMS ((FILE *)); | |
95 | static void gdbtk_fputs PARAMS ((const char *, FILE *)); | |
96 | static int gdbtk_query PARAMS ((const char *, va_list)); | |
97 | static char *gdbtk_readline PARAMS ((char *)); | |
2476848a | 98 | static void gdbtk_init PARAMS ((char *)); |
b607efe7 FF |
99 | static void tk_command_loop PARAMS ((void)); |
100 | static void gdbtk_call_command PARAMS ((struct cmd_list_element *, char *, int)); | |
101 | static int gdbtk_wait PARAMS ((int, struct target_waitstatus *)); | |
102 | static void x_event PARAMS ((int)); | |
103 | static void gdbtk_interactive PARAMS ((void)); | |
104 | static void cleanup_init PARAMS ((int)); | |
105 | static void tk_command PARAMS ((char *, int)); | |
106 | static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
107 | static int compare_lines PARAMS ((const PTR, const PTR)); | |
108 | static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *)); | |
8a19b35a | 109 | static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
b607efe7 | 110 | static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
018d76dd KS |
111 | static int gdb_confirm_quit PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
112 | static int gdb_force_quit PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
b607efe7 | 113 | static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
99c98415 | 114 | static int gdb_listfuncs PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
b607efe7 FF |
115 | static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
116 | static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, char *argv[])); | |
117 | static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
118 | static void gdbtk_readline_end PARAMS ((void)); | |
119 | static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
120 | static void register_changed_p PARAMS ((int, void *)); | |
121 | static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
122 | static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
123 | static void breakpoint_notify PARAMS ((struct breakpoint *, const char *)); | |
124 | static void gdbtk_create_breakpoint PARAMS ((struct breakpoint *)); | |
125 | static void gdbtk_delete_breakpoint PARAMS ((struct breakpoint *)); | |
126 | static void gdbtk_modify_breakpoint PARAMS ((struct breakpoint *)); | |
127 | static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
128 | static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
129 | static int gdb_sourcelines PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
130 | static int map_arg_registers PARAMS ((int, char *[], void (*) (int, void *), void *)); | |
131 | static void get_register_name PARAMS ((int, void *)); | |
132 | static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
133 | static void get_register PARAMS ((int, void *)); | |
018d76dd KS |
134 | static int gdb_target_has_execution_command PARAMS ((ClientData, Tcl_Interp *, int, char *argv[])); |
135 | static int gdb_load_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
136 | static int gdb_get_vars_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
137 | static int gdb_get_function_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
138 | static int gdb_get_line_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
139 | static int gdb_get_file_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
140 | static int gdb_tracepoint_exists_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
141 | static int gdb_get_tracepoint_info PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
142 | static int gdb_actions_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
143 | static int gdb_prompt_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); | |
e0f7db02 | 144 | static int gdb_find_file_command PARAMS ((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST objv[])); |
018d76dd KS |
145 | static void gdbtk_create_tracepoint PARAMS ((struct tracepoint *)); |
146 | static void gdbtk_delete_tracepoint PARAMS ((struct tracepoint *)); | |
147 | static void tracepoint_notify PARAMS ((struct tracepoint *, const char *)); | |
b607efe7 | 148 | |
754e5da2 | 149 | /* Handle for TCL interpreter */ |
fda6fadc | 150 | |
754e5da2 SG |
151 | static Tcl_Interp *interp = NULL; |
152 | ||
018d76dd | 153 | #ifndef WINNT |
479f0f18 | 154 | static int x_fd; /* X network socket */ |
018d76dd | 155 | #endif |
479f0f18 | 156 | |
fda6fadc SS |
157 | /* This variable is true when the inferior is running. Although it's |
158 | possible to disable most input from widgets and thus prevent | |
159 | attempts to do anything while the inferior is running, any commands | |
160 | that get through - even a simple memory read - are Very Bad, and | |
161 | may cause GDB to crash or behave strangely. So, this variable | |
162 | provides an extra layer of defense. */ | |
09722039 | 163 | |
fda6fadc SS |
164 | static int running_now; |
165 | ||
166 | /* This variable determines where memory used for disassembly is read from. | |
167 | If > 0, then disassembly comes from the exec file rather than the | |
168 | target (which might be at the other end of a slow serial link). If | |
169 | == 0 then disassembly comes from target. If < 0 disassembly is | |
170 | automatically switched to the target if it's an inferior process, | |
171 | otherwise the exec file is used. */ | |
09722039 SG |
172 | |
173 | static int disassemble_from_exec = -1; | |
174 | ||
9b119644 ILT |
175 | #ifndef _WIN32 |
176 | ||
177 | /* Supply malloc calls for tcl/tk. We do not want to do this on | |
178 | Windows, because Tcl_Alloc is probably in a DLL which will not call | |
179 | the mmalloc routines. */ | |
8c19daa1 SG |
180 | |
181 | char * | |
a5a6e3bd | 182 | Tcl_Alloc (size) |
8c19daa1 SG |
183 | unsigned int size; |
184 | { | |
185 | return xmalloc (size); | |
186 | } | |
187 | ||
188 | char * | |
189 | Tcl_Realloc (ptr, size) | |
190 | char *ptr; | |
191 | unsigned int size; | |
192 | { | |
193 | return xrealloc (ptr, size); | |
194 | } | |
195 | ||
196 | void | |
197 | Tcl_Free(ptr) | |
198 | char *ptr; | |
199 | { | |
200 | free (ptr); | |
201 | } | |
202 | ||
018d76dd | 203 | #endif /* ! _WIN32 */ |
9b119644 | 204 | |
754e5da2 SG |
205 | static void |
206 | null_routine(arg) | |
207 | int arg; | |
208 | { | |
209 | } | |
210 | ||
018d76dd KS |
211 | #ifdef _WIN32 |
212 | ||
213 | /* On Windows, if we hold a file open, other programs can't write to | |
214 | it. In particular, we don't want to hold the executable open, | |
215 | because it will mean that people have to get out of the debugging | |
216 | session in order to remake their program. So we close it, although | |
217 | this will cost us if and when we need to reopen it. */ | |
218 | ||
219 | static void | |
220 | close_bfds () | |
221 | { | |
222 | struct objfile *o; | |
223 | ||
224 | ALL_OBJFILES (o) | |
225 | { | |
226 | if (o->obfd != NULL) | |
227 | bfd_cache_close (o->obfd); | |
228 | } | |
229 | ||
230 | if (exec_bfd != NULL) | |
231 | bfd_cache_close (exec_bfd); | |
232 | } | |
233 | ||
234 | #endif /* _WIN32 */ | |
235 | ||
546b8ca7 SG |
236 | /* The following routines deal with stdout/stderr data, which is created by |
237 | {f}printf_{un}filtered and friends. gdbtk_fputs and gdbtk_flush are the | |
238 | lowest level of these routines and capture all output from the rest of GDB. | |
239 | Normally they present their data to tcl via callbacks to the following tcl | |
240 | routines: gdbtk_tcl_fputs, gdbtk_tcl_fputs_error, and gdbtk_flush. These | |
241 | in turn call tk routines to update the display. | |
86db943c | 242 | |
546b8ca7 SG |
243 | Under some circumstances, you may want to collect the output so that it can |
244 | be returned as the value of a tcl procedure. This can be done by | |
245 | surrounding the output routines with calls to start_saving_output and | |
246 | finish_saving_output. The saved data can then be retrieved with | |
247 | get_saved_output (but this must be done before the call to | |
248 | finish_saving_output). */ | |
86db943c | 249 | |
018d76dd | 250 | /* Dynamic string for output. */ |
86db943c | 251 | |
6131622e | 252 | static Tcl_DString *result_ptr; |
018d76dd KS |
253 | |
254 | /* Dynamic string for stderr. This is only used if result_ptr is | |
255 | NULL. */ | |
256 | ||
257 | static Tcl_DString *error_string_ptr; | |
754e5da2 | 258 | \f |
754e5da2 SG |
259 | static void |
260 | gdbtk_flush (stream) | |
261 | FILE *stream; | |
262 | { | |
6131622e | 263 | #if 0 |
86db943c SG |
264 | /* Force immediate screen update */ |
265 | ||
754e5da2 | 266 | Tcl_VarEval (interp, "gdbtk_tcl_flush", NULL); |
6131622e | 267 | #endif |
754e5da2 SG |
268 | } |
269 | ||
8532893d | 270 | static void |
86db943c | 271 | gdbtk_fputs (ptr, stream) |
8532893d | 272 | const char *ptr; |
86db943c | 273 | FILE *stream; |
8532893d | 274 | { |
6131622e | 275 | if (result_ptr) |
018d76dd KS |
276 | Tcl_DStringAppend (result_ptr, (char *) ptr, -1); |
277 | else if (error_string_ptr != NULL && stream == gdb_stderr) | |
278 | Tcl_DStringAppend (error_string_ptr, (char *) ptr, -1); | |
6131622e | 279 | else |
86db943c | 280 | { |
6131622e | 281 | Tcl_DString str; |
86db943c | 282 | |
6131622e | 283 | Tcl_DStringInit (&str); |
8532893d | 284 | |
6131622e | 285 | Tcl_DStringAppend (&str, "gdbtk_tcl_fputs", -1); |
45f90c50 | 286 | Tcl_DStringAppendElement (&str, (char *)ptr); |
8532893d | 287 | |
2476848a | 288 | Tcl_Eval (interp, Tcl_DStringValue (&str)); |
6131622e SG |
289 | Tcl_DStringFree (&str); |
290 | } | |
8532893d SG |
291 | } |
292 | ||
754e5da2 | 293 | static int |
85c613aa | 294 | gdbtk_query (query, args) |
b607efe7 | 295 | const char *query; |
754e5da2 SG |
296 | va_list args; |
297 | { | |
4e327047 TT |
298 | char buf[200], *merge[2]; |
299 | char *command; | |
754e5da2 SG |
300 | long val; |
301 | ||
6131622e | 302 | vsprintf (buf, query, args); |
4e327047 TT |
303 | merge[0] = "gdbtk_tcl_query"; |
304 | merge[1] = buf; | |
305 | command = Tcl_Merge (2, merge); | |
306 | Tcl_Eval (interp, command); | |
018d76dd | 307 | Tcl_Free (command); |
754e5da2 SG |
308 | |
309 | val = atol (interp->result); | |
310 | return val; | |
311 | } | |
41756e56 FF |
312 | |
313 | /* VARARGS */ | |
314 | static void | |
315 | #ifdef ANSI_PROTOTYPES | |
316 | gdbtk_readline_begin (char *format, ...) | |
317 | #else | |
318 | gdbtk_readline_begin (va_alist) | |
319 | va_dcl | |
320 | #endif | |
321 | { | |
322 | va_list args; | |
323 | char buf[200], *merge[2]; | |
324 | char *command; | |
325 | ||
326 | #ifdef ANSI_PROTOTYPES | |
327 | va_start (args, format); | |
328 | #else | |
329 | char *format; | |
330 | va_start (args); | |
331 | format = va_arg (args, char *); | |
332 | #endif | |
333 | ||
334 | vsprintf (buf, format, args); | |
335 | merge[0] = "gdbtk_tcl_readline_begin"; | |
336 | merge[1] = buf; | |
337 | command = Tcl_Merge (2, merge); | |
338 | Tcl_Eval (interp, command); | |
339 | free (command); | |
340 | } | |
341 | ||
342 | static char * | |
343 | gdbtk_readline (prompt) | |
344 | char *prompt; | |
345 | { | |
346 | char *merge[2]; | |
347 | char *command; | |
bd45f82f | 348 | int result; |
41756e56 | 349 | |
018d76dd KS |
350 | #ifdef _WIN32 |
351 | close_bfds (); | |
352 | #endif | |
353 | ||
41756e56 FF |
354 | merge[0] = "gdbtk_tcl_readline"; |
355 | merge[1] = prompt; | |
356 | command = Tcl_Merge (2, merge); | |
bd45f82f TT |
357 | result = Tcl_Eval (interp, command); |
358 | free (command); | |
359 | if (result == TCL_OK) | |
41756e56 FF |
360 | { |
361 | return (strdup (interp -> result)); | |
362 | } | |
363 | else | |
364 | { | |
365 | gdbtk_fputs (interp -> result, gdb_stdout); | |
366 | gdbtk_fputs ("\n", gdb_stdout); | |
367 | return (NULL); | |
368 | } | |
369 | } | |
370 | ||
371 | static void | |
372 | gdbtk_readline_end () | |
373 | { | |
374 | Tcl_Eval (interp, "gdbtk_tcl_readline_end"); | |
375 | } | |
376 | ||
754e5da2 | 377 | \f |
6131622e | 378 | static void |
73d3dbd4 | 379 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
380 | dsprintf_append_element (Tcl_DString *dsp, char *format, ...) |
381 | #else | |
6131622e SG |
382 | dsprintf_append_element (va_alist) |
383 | va_dcl | |
85c613aa | 384 | #endif |
6131622e SG |
385 | { |
386 | va_list args; | |
85c613aa C |
387 | char buf[1024]; |
388 | ||
73d3dbd4 | 389 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
390 | va_start (args, format); |
391 | #else | |
6131622e SG |
392 | Tcl_DString *dsp; |
393 | char *format; | |
6131622e SG |
394 | |
395 | va_start (args); | |
6131622e SG |
396 | dsp = va_arg (args, Tcl_DString *); |
397 | format = va_arg (args, char *); | |
85c613aa | 398 | #endif |
6131622e SG |
399 | |
400 | vsprintf (buf, format, args); | |
401 | ||
402 | Tcl_DStringAppendElement (dsp, buf); | |
403 | } | |
404 | ||
8a19b35a MH |
405 | static int |
406 | gdb_path_conv (clientData, interp, argc, argv) | |
407 | ClientData clientData; | |
408 | Tcl_Interp *interp; | |
409 | int argc; | |
410 | char *argv[]; | |
411 | { | |
412 | #ifdef WINNT | |
413 | char pathname[256], *ptr; | |
414 | if (argc != 2) | |
415 | error ("wrong # args"); | |
416 | cygwin32_conv_to_full_win32_path (argv[1], pathname); | |
417 | for (ptr = pathname; *ptr; ptr++) | |
418 | { | |
419 | if (*ptr == '\\') | |
420 | *ptr = '/'; | |
421 | } | |
422 | #else | |
423 | char *pathname = argv[1]; | |
424 | #endif | |
425 | Tcl_DStringAppend (result_ptr, pathname, strlen(pathname)); | |
426 | return TCL_OK; | |
427 | } | |
428 | ||
6131622e SG |
429 | static int |
430 | gdb_get_breakpoint_list (clientData, interp, argc, argv) | |
431 | ClientData clientData; | |
432 | Tcl_Interp *interp; | |
433 | int argc; | |
434 | char *argv[]; | |
435 | { | |
436 | struct breakpoint *b; | |
437 | extern struct breakpoint *breakpoint_chain; | |
438 | ||
439 | if (argc != 1) | |
440 | error ("wrong # args"); | |
441 | ||
442 | for (b = breakpoint_chain; b; b = b->next) | |
443 | if (b->type == bp_breakpoint) | |
444 | dsprintf_append_element (result_ptr, "%d", b->number); | |
445 | ||
446 | return TCL_OK; | |
447 | } | |
448 | ||
449 | static int | |
450 | gdb_get_breakpoint_info (clientData, interp, argc, argv) | |
451 | ClientData clientData; | |
452 | Tcl_Interp *interp; | |
453 | int argc; | |
454 | char *argv[]; | |
455 | { | |
456 | struct symtab_and_line sal; | |
457 | static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", | |
458 | "finish", "watchpoint", "hardware watchpoint", | |
459 | "read watchpoint", "access watchpoint", | |
460 | "longjmp", "longjmp resume", "step resume", | |
461 | "through sigtramp", "watchpoint scope", | |
462 | "call dummy" }; | |
27f1958c | 463 | static char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"}; |
6131622e SG |
464 | struct command_line *cmd; |
465 | int bpnum; | |
466 | struct breakpoint *b; | |
467 | extern struct breakpoint *breakpoint_chain; | |
6c3908db KS |
468 | char *funcname, *filename; |
469 | ||
6131622e SG |
470 | if (argc != 2) |
471 | error ("wrong # args"); | |
472 | ||
473 | bpnum = atoi (argv[1]); | |
474 | ||
475 | for (b = breakpoint_chain; b; b = b->next) | |
476 | if (b->number == bpnum) | |
477 | break; | |
478 | ||
9468f8aa | 479 | if (!b || b->type != bp_breakpoint) |
6131622e SG |
480 | error ("Breakpoint #%d does not exist", bpnum); |
481 | ||
6131622e SG |
482 | sal = find_pc_line (b->address, 0); |
483 | ||
6c3908db KS |
484 | filename = symtab_to_filename (sal.symtab); |
485 | if (filename == NULL) | |
486 | filename = "N/A"; | |
84f71d63 | 487 | Tcl_DStringAppendElement (result_ptr, filename); |
018d76dd KS |
488 | find_pc_partial_function (b->address, &funcname, NULL, NULL); |
489 | Tcl_DStringAppendElement (result_ptr, funcname); | |
6131622e SG |
490 | dsprintf_append_element (result_ptr, "%d", sal.line); |
491 | dsprintf_append_element (result_ptr, "0x%lx", b->address); | |
492 | Tcl_DStringAppendElement (result_ptr, bptypes[b->type]); | |
493 | Tcl_DStringAppendElement (result_ptr, b->enable == enabled ? "1" : "0"); | |
494 | Tcl_DStringAppendElement (result_ptr, bpdisp[b->disposition]); | |
6131622e SG |
495 | dsprintf_append_element (result_ptr, "%d", b->ignore_count); |
496 | ||
497 | Tcl_DStringStartSublist (result_ptr); | |
498 | for (cmd = b->commands; cmd; cmd = cmd->next) | |
499 | Tcl_DStringAppendElement (result_ptr, cmd->line); | |
500 | Tcl_DStringEndSublist (result_ptr); | |
501 | ||
502 | Tcl_DStringAppendElement (result_ptr, b->cond_string); | |
503 | ||
504 | dsprintf_append_element (result_ptr, "%d", b->thread); | |
505 | dsprintf_append_element (result_ptr, "%d", b->hit_count); | |
506 | ||
507 | return TCL_OK; | |
508 | } | |
509 | ||
754e5da2 SG |
510 | static void |
511 | breakpoint_notify(b, action) | |
512 | struct breakpoint *b; | |
513 | const char *action; | |
514 | { | |
32707df8 | 515 | char buf[256]; |
754e5da2 | 516 | int v; |
2476848a | 517 | struct symtab_and_line sal; |
6c3908db | 518 | char *filename; |
754e5da2 SG |
519 | |
520 | if (b->type != bp_breakpoint) | |
521 | return; | |
522 | ||
4e327047 TT |
523 | /* We ensure that ACTION contains no special Tcl characters, so we |
524 | can do this. */ | |
2476848a | 525 | sal = find_pc_line (b->address, 0); |
6c3908db KS |
526 | filename = symtab_to_filename (sal.symtab); |
527 | if (filename == NULL) | |
528 | filename = "N/A"; | |
2476848a | 529 | sprintf (buf, "gdbtk_tcl_breakpoint %s %d 0x%lx %d {%s}", action, b->number, |
6c3908db | 530 | (long)b->address, sal.line, filename); |
754e5da2 | 531 | |
6131622e | 532 | v = Tcl_Eval (interp, buf); |
754e5da2 SG |
533 | |
534 | if (v != TCL_OK) | |
535 | { | |
546b8ca7 SG |
536 | gdbtk_fputs (interp->result, gdb_stdout); |
537 | gdbtk_fputs ("\n", gdb_stdout); | |
754e5da2 | 538 | } |
754e5da2 SG |
539 | } |
540 | ||
541 | static void | |
542 | gdbtk_create_breakpoint(b) | |
543 | struct breakpoint *b; | |
544 | { | |
6131622e | 545 | breakpoint_notify (b, "create"); |
754e5da2 SG |
546 | } |
547 | ||
548 | static void | |
549 | gdbtk_delete_breakpoint(b) | |
550 | struct breakpoint *b; | |
551 | { | |
6131622e | 552 | breakpoint_notify (b, "delete"); |
754e5da2 SG |
553 | } |
554 | ||
555 | static void | |
6131622e | 556 | gdbtk_modify_breakpoint(b) |
754e5da2 SG |
557 | struct breakpoint *b; |
558 | { | |
6131622e | 559 | breakpoint_notify (b, "modify"); |
754e5da2 SG |
560 | } |
561 | \f | |
562 | /* This implements the TCL command `gdb_loc', which returns a list consisting | |
563 | of the source and line number associated with the current pc. */ | |
564 | ||
565 | static int | |
566 | gdb_loc (clientData, interp, argc, argv) | |
567 | ClientData clientData; | |
568 | Tcl_Interp *interp; | |
569 | int argc; | |
570 | char *argv[]; | |
571 | { | |
572 | char *filename; | |
754e5da2 SG |
573 | struct symtab_and_line sal; |
574 | char *funcname; | |
8532893d | 575 | CORE_ADDR pc; |
754e5da2 | 576 | |
018d76dd KS |
577 | if (!have_full_symbols () && !have_partial_symbols ()) |
578 | { | |
579 | Tcl_SetResult (interp, "No symbol table is loaded", TCL_STATIC); | |
580 | return TCL_ERROR; | |
581 | } | |
582 | ||
754e5da2 SG |
583 | if (argc == 1) |
584 | { | |
1dfc8dfb | 585 | pc = selected_frame ? selected_frame->pc : stop_pc; |
754e5da2 SG |
586 | sal = find_pc_line (pc, 0); |
587 | } | |
588 | else if (argc == 2) | |
589 | { | |
754e5da2 | 590 | struct symtabs_and_lines sals; |
8532893d | 591 | int nelts; |
754e5da2 SG |
592 | |
593 | sals = decode_line_spec (argv[1], 1); | |
594 | ||
8532893d SG |
595 | nelts = sals.nelts; |
596 | sal = sals.sals[0]; | |
597 | free (sals.sals); | |
598 | ||
754e5da2 | 599 | if (sals.nelts != 1) |
6131622e | 600 | error ("Ambiguous line spec"); |
754e5da2 | 601 | |
8532893d | 602 | pc = sal.pc; |
754e5da2 SG |
603 | } |
604 | else | |
6131622e | 605 | error ("wrong # args"); |
754e5da2 | 606 | |
754e5da2 | 607 | if (sal.symtab) |
6131622e | 608 | Tcl_DStringAppendElement (result_ptr, sal.symtab->filename); |
754e5da2 | 609 | else |
6131622e | 610 | Tcl_DStringAppendElement (result_ptr, ""); |
8532893d SG |
611 | |
612 | find_pc_partial_function (pc, &funcname, NULL, NULL); | |
6131622e | 613 | Tcl_DStringAppendElement (result_ptr, funcname); |
8532893d | 614 | |
637b1661 | 615 | filename = symtab_to_filename (sal.symtab); |
6c3908db KS |
616 | if (filename == NULL) |
617 | filename = "N/A"; | |
6131622e | 618 | Tcl_DStringAppendElement (result_ptr, filename); |
8532893d | 619 | |
9468f8aa | 620 | dsprintf_append_element (result_ptr, "%d", sal.line); /* line number */ |
754e5da2 | 621 | |
2476848a MH |
622 | dsprintf_append_element (result_ptr, "0x%s", paddr_nz(pc)); /* PC in current frame */ |
623 | ||
624 | dsprintf_append_element (result_ptr, "0x%s", paddr_nz(stop_pc)); /* Real PC */ | |
8532893d | 625 | |
754e5da2 SG |
626 | return TCL_OK; |
627 | } | |
628 | \f | |
09722039 SG |
629 | /* This implements the TCL command `gdb_eval'. */ |
630 | ||
631 | static int | |
632 | gdb_eval (clientData, interp, argc, argv) | |
633 | ClientData clientData; | |
634 | Tcl_Interp *interp; | |
635 | int argc; | |
636 | char *argv[]; | |
637 | { | |
638 | struct expression *expr; | |
639 | struct cleanup *old_chain; | |
640 | value_ptr val; | |
641 | ||
642 | if (argc != 2) | |
6131622e | 643 | error ("wrong # args"); |
09722039 SG |
644 | |
645 | expr = parse_expression (argv[1]); | |
646 | ||
647 | old_chain = make_cleanup (free_current_contents, &expr); | |
648 | ||
649 | val = evaluate_expression (expr); | |
650 | ||
09722039 SG |
651 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), |
652 | gdb_stdout, 0, 0, 0, 0); | |
09722039 SG |
653 | |
654 | do_cleanups (old_chain); | |
655 | ||
656 | return TCL_OK; | |
657 | } | |
018d76dd KS |
658 | |
659 | /* gdb_get_mem addr form size num aschar*/ | |
660 | /* dump a block of memory */ | |
661 | /* addr: address of data to dump */ | |
662 | /* form: a char indicating format */ | |
663 | /* size: size of each element; 1,2,4, or 8 bytes*/ | |
664 | /* num: the number of 'size' elements to return */ | |
665 | /* acshar: an optional ascii character to use in ASCII dump */ | |
666 | /* returns a list of 'num' elements followed by an optional */ | |
667 | /* ASCII dump */ | |
668 | static int | |
669 | gdb_get_mem (clientData, interp, argc, argv) | |
670 | ClientData clientData; | |
671 | Tcl_Interp *interp; | |
672 | int argc; | |
673 | char *argv[]; | |
674 | { | |
675 | int size, asize, num, i, j; | |
676 | CORE_ADDR addr, saved_addr, ptr; | |
677 | int format; | |
678 | struct type *val_type; | |
679 | value_ptr vptr; | |
680 | char c, buff[128], aschar; | |
681 | ||
682 | if (argc != 6) | |
683 | error ("wrong # args"); | |
684 | ||
685 | addr = (CORE_ADDR)strtoul(argv[1],(char **)NULL,0); | |
686 | saved_addr = addr; | |
687 | format = *argv[2]; | |
688 | size = (int)strtoul(argv[3],(char **)NULL,0); | |
689 | num = (int)strtoul(argv[4],(char **)NULL,0); | |
690 | aschar = *argv[5]; | |
691 | ||
692 | switch (size) { | |
693 | case 1: | |
694 | val_type = builtin_type_char; | |
695 | asize = 'b'; | |
696 | break; | |
697 | case 2: | |
698 | val_type = builtin_type_short; | |
699 | asize = 'h'; | |
700 | break; | |
701 | case 4: | |
702 | val_type = builtin_type_int; | |
703 | asize = 'w'; | |
704 | break; | |
705 | case 8: | |
706 | val_type = builtin_type_long_long; | |
707 | asize = 'g'; | |
708 | break; | |
709 | default: | |
710 | val_type = builtin_type_char; | |
711 | asize = 'b'; | |
712 | } | |
713 | ||
714 | for (i=0; i < num; i++) | |
715 | { | |
716 | vptr = value_at (val_type, addr, (asection *)NULL); | |
717 | print_scalar_formatted (VALUE_CONTENTS(vptr), val_type, format, asize, gdb_stdout); | |
718 | fputs_unfiltered (" ", gdb_stdout); | |
719 | addr += size; | |
720 | } | |
721 | ||
722 | if (aschar) | |
723 | { | |
724 | val_type = builtin_type_char; | |
725 | ptr = saved_addr; | |
726 | buff[0] = '"'; | |
727 | i = 1; | |
728 | for (j=0; j < num*size; j++) | |
729 | { | |
730 | c = *(char *)VALUE_CONTENTS(value_at (val_type, ptr, (asection *)NULL)); | |
731 | if (c < 32 || c > 126) | |
732 | c = aschar; | |
733 | if (c == '"') | |
734 | buff[i++] = '\\'; | |
735 | buff[i++] = c; | |
736 | ptr++; | |
737 | } | |
738 | buff[i++] = '"'; | |
739 | buff[i] = 0; | |
740 | fputs_unfiltered (buff, gdb_stdout); | |
741 | } | |
742 | ||
743 | return TCL_OK; | |
744 | } | |
745 | ||
746 | ||
5b21fb68 SG |
747 | /* This implements the TCL command `gdb_sourcelines', which returns a list of |
748 | all of the lines containing executable code for the specified source file | |
749 | (ie: lines where you can put breakpoints). */ | |
750 | ||
751 | static int | |
752 | gdb_sourcelines (clientData, interp, argc, argv) | |
753 | ClientData clientData; | |
754 | Tcl_Interp *interp; | |
755 | int argc; | |
756 | char *argv[]; | |
757 | { | |
758 | struct symtab *symtab; | |
759 | struct linetable_entry *le; | |
760 | int nlines; | |
5b21fb68 SG |
761 | |
762 | if (argc != 2) | |
6131622e | 763 | error ("wrong # args"); |
5b21fb68 SG |
764 | |
765 | symtab = lookup_symtab (argv[1]); | |
766 | ||
767 | if (!symtab) | |
6131622e | 768 | error ("No such file"); |
5b21fb68 SG |
769 | |
770 | /* If there's no linetable, or no entries, then we are done. */ | |
771 | ||
772 | if (!symtab->linetable | |
773 | || symtab->linetable->nitems == 0) | |
774 | { | |
6131622e | 775 | Tcl_DStringAppendElement (result_ptr, ""); |
5b21fb68 SG |
776 | return TCL_OK; |
777 | } | |
778 | ||
779 | le = symtab->linetable->item; | |
780 | nlines = symtab->linetable->nitems; | |
781 | ||
782 | for (;nlines > 0; nlines--, le++) | |
783 | { | |
784 | /* If the pc of this line is the same as the pc of the next line, then | |
785 | just skip it. */ | |
786 | if (nlines > 1 | |
787 | && le->pc == (le + 1)->pc) | |
788 | continue; | |
789 | ||
9468f8aa | 790 | dsprintf_append_element (result_ptr, "%d", le->line); |
5b21fb68 SG |
791 | } |
792 | ||
793 | return TCL_OK; | |
794 | } | |
795 | \f | |
746d1df4 SG |
796 | static int |
797 | map_arg_registers (argc, argv, func, argp) | |
798 | int argc; | |
799 | char *argv[]; | |
6131622e | 800 | void (*func) PARAMS ((int regnum, void *argp)); |
746d1df4 SG |
801 | void *argp; |
802 | { | |
803 | int regnum; | |
804 | ||
805 | /* Note that the test for a valid register must include checking the | |
806 | reg_names array because NUM_REGS may be allocated for the union of the | |
807 | register sets within a family of related processors. In this case, the | |
808 | trailing entries of reg_names will change depending upon the particular | |
809 | processor being debugged. */ | |
810 | ||
811 | if (argc == 0) /* No args, just do all the regs */ | |
812 | { | |
813 | for (regnum = 0; | |
814 | regnum < NUM_REGS | |
815 | && reg_names[regnum] != NULL | |
816 | && *reg_names[regnum] != '\000'; | |
817 | regnum++) | |
818 | func (regnum, argp); | |
819 | ||
820 | return TCL_OK; | |
821 | } | |
822 | ||
823 | /* Else, list of register #s, just do listed regs */ | |
824 | for (; argc > 0; argc--, argv++) | |
825 | { | |
826 | regnum = atoi (*argv); | |
827 | ||
828 | if (regnum >= 0 | |
829 | && regnum < NUM_REGS | |
830 | && reg_names[regnum] != NULL | |
831 | && *reg_names[regnum] != '\000') | |
832 | func (regnum, argp); | |
833 | else | |
6131622e | 834 | error ("bad register number"); |
746d1df4 SG |
835 | } |
836 | ||
837 | return TCL_OK; | |
838 | } | |
839 | ||
6131622e | 840 | static void |
746d1df4 SG |
841 | get_register_name (regnum, argp) |
842 | int regnum; | |
843 | void *argp; /* Ignored */ | |
844 | { | |
6131622e | 845 | Tcl_DStringAppendElement (result_ptr, reg_names[regnum]); |
746d1df4 SG |
846 | } |
847 | ||
5b21fb68 SG |
848 | /* This implements the TCL command `gdb_regnames', which returns a list of |
849 | all of the register names. */ | |
850 | ||
851 | static int | |
852 | gdb_regnames (clientData, interp, argc, argv) | |
853 | ClientData clientData; | |
854 | Tcl_Interp *interp; | |
855 | int argc; | |
856 | char *argv[]; | |
857 | { | |
746d1df4 SG |
858 | argc--; |
859 | argv++; | |
860 | ||
b607efe7 | 861 | return map_arg_registers (argc, argv, get_register_name, NULL); |
746d1df4 SG |
862 | } |
863 | ||
746d1df4 SG |
864 | #ifndef REGISTER_CONVERTIBLE |
865 | #define REGISTER_CONVERTIBLE(x) (0 != 0) | |
866 | #endif | |
867 | ||
868 | #ifndef REGISTER_CONVERT_TO_VIRTUAL | |
869 | #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) | |
870 | #endif | |
871 | ||
872 | #ifndef INVALID_FLOAT | |
873 | #define INVALID_FLOAT(x, y) (0 != 0) | |
874 | #endif | |
875 | ||
6131622e | 876 | static void |
746d1df4 | 877 | get_register (regnum, fp) |
6131622e | 878 | int regnum; |
746d1df4 SG |
879 | void *fp; |
880 | { | |
881 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
882 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
883 | int format = (int)fp; | |
884 | ||
885 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
886 | { | |
6131622e | 887 | Tcl_DStringAppendElement (result_ptr, "Optimized out"); |
746d1df4 SG |
888 | return; |
889 | } | |
890 | ||
746d1df4 SG |
891 | /* Convert raw data to virtual format if necessary. */ |
892 | ||
893 | if (REGISTER_CONVERTIBLE (regnum)) | |
894 | { | |
895 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
896 | raw_buffer, virtual_buffer); | |
897 | } | |
898 | else | |
899 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
900 | ||
3d9f68c0 FF |
901 | if (format == 'r') |
902 | { | |
903 | int j; | |
904 | printf_filtered ("0x"); | |
905 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) | |
906 | { | |
907 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j | |
908 | : REGISTER_RAW_SIZE (regnum) - 1 - j; | |
909 | printf_filtered ("%02x", (unsigned char)raw_buffer[idx]); | |
910 | } | |
911 | } | |
912 | else | |
913 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, | |
914 | gdb_stdout, format, 1, 0, Val_pretty_default); | |
746d1df4 | 915 | |
6131622e | 916 | Tcl_DStringAppend (result_ptr, " ", -1); |
746d1df4 SG |
917 | } |
918 | ||
919 | static int | |
920 | gdb_fetch_registers (clientData, interp, argc, argv) | |
921 | ClientData clientData; | |
922 | Tcl_Interp *interp; | |
923 | int argc; | |
924 | char *argv[]; | |
925 | { | |
926 | int format; | |
927 | ||
928 | if (argc < 2) | |
6131622e | 929 | error ("wrong # args"); |
5b21fb68 | 930 | |
746d1df4 SG |
931 | argc--; |
932 | argv++; | |
5b21fb68 | 933 | |
746d1df4 SG |
934 | argc--; |
935 | format = **argv++; | |
936 | ||
b607efe7 | 937 | return map_arg_registers (argc, argv, get_register, (void *) format); |
746d1df4 SG |
938 | } |
939 | ||
940 | /* This contains the previous values of the registers, since the last call to | |
941 | gdb_changed_register_list. */ | |
942 | ||
943 | static char old_regs[REGISTER_BYTES]; | |
944 | ||
6131622e | 945 | static void |
746d1df4 | 946 | register_changed_p (regnum, argp) |
6131622e | 947 | int regnum; |
746d1df4 SG |
948 | void *argp; /* Ignored */ |
949 | { | |
950 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
746d1df4 SG |
951 | |
952 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
953 | return; | |
954 | ||
955 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
956 | REGISTER_RAW_SIZE (regnum)) == 0) | |
957 | return; | |
958 | ||
fda6fadc | 959 | /* Found a changed register. Save new value and return its number. */ |
746d1df4 SG |
960 | |
961 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
962 | REGISTER_RAW_SIZE (regnum)); | |
963 | ||
9468f8aa | 964 | dsprintf_append_element (result_ptr, "%d", regnum); |
746d1df4 SG |
965 | } |
966 | ||
967 | static int | |
968 | gdb_changed_register_list (clientData, interp, argc, argv) | |
969 | ClientData clientData; | |
970 | Tcl_Interp *interp; | |
971 | int argc; | |
972 | char *argv[]; | |
973 | { | |
746d1df4 SG |
974 | argc--; |
975 | argv++; | |
976 | ||
977 | return map_arg_registers (argc, argv, register_changed_p, NULL); | |
5b21fb68 SG |
978 | } |
979 | \f | |
fda6fadc | 980 | /* This implements the TCL command `gdb_cmd', which sends its argument into |
754e5da2 SG |
981 | the GDB command scanner. */ |
982 | ||
983 | static int | |
984 | gdb_cmd (clientData, interp, argc, argv) | |
985 | ClientData clientData; | |
986 | Tcl_Interp *interp; | |
987 | int argc; | |
988 | char *argv[]; | |
989 | { | |
018d76dd KS |
990 | Tcl_DString *save_ptr = NULL; |
991 | ||
754e5da2 | 992 | if (argc != 2) |
6131622e | 993 | error ("wrong # args"); |
754e5da2 | 994 | |
fda6fadc SS |
995 | if (running_now) |
996 | return TCL_OK; | |
997 | ||
018d76dd KS |
998 | /* for the load instruction (and possibly others later) we |
999 | set result_ptr to NULL so gdbtk_fputs() will not buffer | |
1000 | all the data until the command is finished. */ | |
1001 | ||
1002 | if (strncmp("load ",argv[1],5) == 0) { | |
1003 | Tcl_DStringAppend (result_ptr, "", -1); | |
1004 | save_ptr = result_ptr; | |
1005 | result_ptr = NULL; | |
1006 | } | |
1007 | ||
86db943c | 1008 | execute_command (argv[1], 1); |
479f0f18 | 1009 | |
754e5da2 | 1010 | bpstat_do_actions (&stop_bpstat); |
018d76dd KS |
1011 | |
1012 | if (save_ptr) | |
1013 | result_ptr = save_ptr; | |
754e5da2 | 1014 | |
754e5da2 SG |
1015 | return TCL_OK; |
1016 | } | |
1017 | ||
c14cabba AC |
1018 | /* Client of call_wrapper - this routine performs the actual call to |
1019 | the client function. */ | |
1020 | ||
1021 | struct wrapped_call_args | |
1022 | { | |
1023 | Tcl_Interp *interp; | |
1024 | Tcl_CmdProc *func; | |
1025 | int argc; | |
1026 | char **argv; | |
1027 | int val; | |
1028 | }; | |
1029 | ||
1030 | static int | |
1031 | wrapped_call (args) | |
1032 | struct wrapped_call_args *args; | |
1033 | { | |
1034 | args->val = (*args->func) (args->func, args->interp, args->argc, args->argv); | |
1035 | return 1; | |
1036 | } | |
1037 | ||
86db943c SG |
1038 | /* This routine acts as a top-level for all GDB code called by tcl/Tk. It |
1039 | handles cleanups, and calls to return_to_top_level (usually via error). | |
1040 | This is necessary in order to prevent a longjmp out of the bowels of Tk, | |
1041 | possibly leaving things in a bad state. Since this routine can be called | |
1042 | recursively, it needs to save and restore the contents of the jmp_buf as | |
1043 | necessary. */ | |
1044 | ||
1045 | static int | |
1046 | call_wrapper (clientData, interp, argc, argv) | |
1047 | ClientData clientData; | |
1048 | Tcl_Interp *interp; | |
1049 | int argc; | |
1050 | char *argv[]; | |
1051 | { | |
c14cabba | 1052 | struct wrapped_call_args wrapped_args; |
6131622e | 1053 | Tcl_DString result, *old_result_ptr; |
018d76dd | 1054 | Tcl_DString error_string, *old_error_string_ptr; |
6131622e SG |
1055 | |
1056 | Tcl_DStringInit (&result); | |
1057 | old_result_ptr = result_ptr; | |
1058 | result_ptr = &result; | |
86db943c | 1059 | |
018d76dd KS |
1060 | Tcl_DStringInit (&error_string); |
1061 | old_error_string_ptr = error_string_ptr; | |
1062 | error_string_ptr = &error_string; | |
1063 | ||
c14cabba AC |
1064 | wrapped_args.func = (Tcl_CmdProc *)clientData; |
1065 | wrapped_args.interp = interp; | |
1066 | wrapped_args.argc = argc; | |
1067 | wrapped_args.argv = argv; | |
1068 | wrapped_args.val = 0; | |
86db943c | 1069 | |
c14cabba | 1070 | if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL)) |
86db943c | 1071 | { |
c14cabba | 1072 | wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */ |
86db943c | 1073 | |
86db943c SG |
1074 | gdb_flush (gdb_stderr); /* Flush error output */ |
1075 | ||
09722039 SG |
1076 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
1077 | ||
fda6fadc SS |
1078 | /* In case of an error, we may need to force the GUI into idle |
1079 | mode because gdbtk_call_command may have bombed out while in | |
1080 | the command routine. */ | |
86db943c | 1081 | |
40dffa42 | 1082 | running_now = 0; |
4e327047 | 1083 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
86db943c SG |
1084 | } |
1085 | ||
018d76dd KS |
1086 | if (Tcl_DStringLength (&error_string) == 0) |
1087 | { | |
1088 | Tcl_DStringResult (interp, &result); | |
1089 | Tcl_DStringFree (&error_string); | |
1090 | } | |
1091 | else if (Tcl_DStringLength (&result) == 0) | |
1092 | { | |
1093 | Tcl_DStringResult (interp, &error_string); | |
1094 | Tcl_DStringFree (&result); | |
1095 | } | |
1096 | else | |
1097 | { | |
1098 | Tcl_ResetResult (interp); | |
1099 | Tcl_AppendResult (interp, Tcl_DStringValue (&result), | |
1100 | Tcl_DStringValue (&error_string), (char *) NULL); | |
1101 | Tcl_DStringFree (&result); | |
1102 | Tcl_DStringFree (&error_string); | |
1103 | } | |
1104 | ||
6131622e | 1105 | result_ptr = old_result_ptr; |
018d76dd KS |
1106 | error_string_ptr = old_error_string_ptr; |
1107 | ||
1108 | #ifdef _WIN32 | |
1109 | close_bfds (); | |
1110 | #endif | |
6131622e | 1111 | |
c14cabba | 1112 | return wrapped_args.val; |
86db943c SG |
1113 | } |
1114 | ||
754e5da2 SG |
1115 | static int |
1116 | gdb_listfiles (clientData, interp, argc, argv) | |
1117 | ClientData clientData; | |
1118 | Tcl_Interp *interp; | |
1119 | int argc; | |
1120 | char *argv[]; | |
1121 | { | |
754e5da2 SG |
1122 | struct objfile *objfile; |
1123 | struct partial_symtab *psymtab; | |
546b8ca7 | 1124 | struct symtab *symtab; |
754e5da2 SG |
1125 | |
1126 | ALL_PSYMTABS (objfile, psymtab) | |
6131622e | 1127 | Tcl_DStringAppendElement (result_ptr, psymtab->filename); |
754e5da2 | 1128 | |
546b8ca7 | 1129 | ALL_SYMTABS (objfile, symtab) |
6131622e | 1130 | Tcl_DStringAppendElement (result_ptr, symtab->filename); |
546b8ca7 | 1131 | |
754e5da2 SG |
1132 | return TCL_OK; |
1133 | } | |
479f0f18 | 1134 | |
99c98415 MH |
1135 | static int |
1136 | gdb_listfuncs (clientData, interp, argc, argv) | |
1137 | ClientData clientData; | |
1138 | Tcl_Interp *interp; | |
1139 | int argc; | |
1140 | char *argv[]; | |
1141 | { | |
1142 | struct symtab *symtab; | |
1143 | struct blockvector *bv; | |
1144 | struct block *b; | |
1145 | struct symbol *sym; | |
1146 | int i,j; | |
1147 | ||
1148 | if (argc != 2) | |
1149 | error ("wrong # args"); | |
1150 | ||
1151 | symtab = lookup_symtab (argv[1]); | |
1152 | ||
1153 | if (!symtab) | |
1154 | error ("No such file"); | |
1155 | ||
1156 | bv = BLOCKVECTOR (symtab); | |
1157 | for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++) | |
1158 | { | |
1159 | b = BLOCKVECTOR_BLOCK (bv, i); | |
1160 | /* Skip the sort if this block is always sorted. */ | |
1161 | if (!BLOCK_SHOULD_SORT (b)) | |
1162 | sort_block_syms (b); | |
1163 | for (j = 0; j < BLOCK_NSYMS (b); j++) | |
1164 | { | |
1165 | sym = BLOCK_SYM (b, j); | |
1166 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) | |
1167 | { | |
1168 | Tcl_DStringAppendElement (result_ptr, SYMBOL_NAME(sym)); | |
1169 | } | |
1170 | } | |
1171 | } | |
1172 | return TCL_OK; | |
1173 | } | |
1174 | ||
479f0f18 SG |
1175 | static int |
1176 | gdb_stop (clientData, interp, argc, argv) | |
1177 | ClientData clientData; | |
1178 | Tcl_Interp *interp; | |
1179 | int argc; | |
1180 | char *argv[]; | |
1181 | { | |
c14cabba AC |
1182 | if (target_stop) |
1183 | target_stop (); | |
1184 | else | |
1185 | quit_flag = 1; /* hope something sees this */ | |
546b8ca7 SG |
1186 | |
1187 | return TCL_OK; | |
479f0f18 | 1188 | } |
018d76dd KS |
1189 | |
1190 | /* Prepare to accept a new executable file. This is called when we | |
1191 | want to clear away everything we know about the old file, without | |
1192 | asking the user. The Tcl code will have already asked the user if | |
1193 | necessary. After this is called, we should be able to run the | |
1194 | `file' command without getting any questions. */ | |
1195 | ||
1196 | static int | |
1197 | gdb_clear_file (clientData, interp, argc, argv) | |
1198 | ClientData clientData; | |
1199 | Tcl_Interp *interp; | |
1200 | int argc; | |
1201 | char *argv[]; | |
1202 | { | |
1203 | if (inferior_pid != 0 && target_has_execution) | |
1204 | { | |
1205 | if (attach_flag) | |
1206 | target_detach (NULL, 0); | |
1207 | else | |
1208 | target_kill (); | |
1209 | } | |
1210 | ||
1211 | if (target_has_execution) | |
1212 | pop_target (); | |
1213 | ||
1214 | symbol_file_command (NULL, 0); | |
1215 | ||
1216 | return TCL_OK; | |
1217 | } | |
1218 | ||
1219 | /* Ask the user to confirm an exit request. */ | |
1220 | ||
1221 | static int | |
1222 | gdb_confirm_quit (clientData, interp, argc, argv) | |
1223 | ClientData clientData; | |
1224 | Tcl_Interp *interp; | |
1225 | int argc; | |
1226 | char *argv[]; | |
1227 | { | |
1228 | int ret; | |
1229 | ||
1230 | ret = quit_confirm (); | |
1231 | Tcl_DStringAppendElement (result_ptr, ret ? "1" : "0"); | |
1232 | return TCL_OK; | |
1233 | } | |
1234 | ||
1235 | /* Quit without asking for confirmation. */ | |
1236 | ||
1237 | static int | |
1238 | gdb_force_quit (clientData, interp, argc, argv) | |
1239 | ClientData clientData; | |
1240 | Tcl_Interp *interp; | |
1241 | int argc; | |
1242 | char *argv[]; | |
1243 | { | |
1244 | quit_force ((char *) NULL, 1); | |
1245 | return TCL_OK; | |
1246 | } | |
09722039 SG |
1247 | \f |
1248 | /* This implements the TCL command `gdb_disassemble'. */ | |
479f0f18 | 1249 | |
09722039 SG |
1250 | static int |
1251 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) | |
1252 | bfd_vma memaddr; | |
1253 | bfd_byte *myaddr; | |
1254 | int len; | |
1255 | disassemble_info *info; | |
1256 | { | |
1257 | extern struct target_ops exec_ops; | |
1258 | int res; | |
1259 | ||
1260 | errno = 0; | |
1261 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); | |
1262 | ||
1263 | if (res == len) | |
1264 | return 0; | |
1265 | else | |
1266 | if (errno == 0) | |
1267 | return EIO; | |
1268 | else | |
1269 | return errno; | |
1270 | } | |
1271 | ||
1272 | /* We need a different sort of line table from the normal one cuz we can't | |
1273 | depend upon implicit line-end pc's for lines. This is because of the | |
1274 | reordering we are about to do. */ | |
1275 | ||
1276 | struct my_line_entry { | |
1277 | int line; | |
1278 | CORE_ADDR start_pc; | |
1279 | CORE_ADDR end_pc; | |
1280 | }; | |
1281 | ||
1282 | static int | |
1283 | compare_lines (mle1p, mle2p) | |
1284 | const PTR mle1p; | |
1285 | const PTR mle2p; | |
1286 | { | |
1287 | struct my_line_entry *mle1, *mle2; | |
1288 | int val; | |
1289 | ||
1290 | mle1 = (struct my_line_entry *) mle1p; | |
1291 | mle2 = (struct my_line_entry *) mle2p; | |
1292 | ||
1293 | val = mle1->line - mle2->line; | |
1294 | ||
1295 | if (val != 0) | |
1296 | return val; | |
1297 | ||
1298 | return mle1->start_pc - mle2->start_pc; | |
1299 | } | |
1300 | ||
1301 | static int | |
1302 | gdb_disassemble (clientData, interp, argc, argv) | |
1303 | ClientData clientData; | |
1304 | Tcl_Interp *interp; | |
1305 | int argc; | |
1306 | char *argv[]; | |
1307 | { | |
1308 | CORE_ADDR pc, low, high; | |
1309 | int mixed_source_and_assembly; | |
fc941258 DE |
1310 | static disassemble_info di; |
1311 | static int di_initialized; | |
1312 | ||
1313 | if (! di_initialized) | |
1314 | { | |
91550191 SG |
1315 | INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout, |
1316 | (fprintf_ftype) fprintf_unfiltered); | |
caeec767 | 1317 | di.flavour = bfd_target_unknown_flavour; |
fc941258 DE |
1318 | di.memory_error_func = dis_asm_memory_error; |
1319 | di.print_address_func = dis_asm_print_address; | |
1320 | di_initialized = 1; | |
1321 | } | |
09722039 | 1322 | |
91550191 SG |
1323 | di.mach = tm_print_insn_info.mach; |
1324 | if (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
e4bb9027 | 1325 | di.endian = BFD_ENDIAN_BIG; |
91550191 | 1326 | else |
e4bb9027 | 1327 | di.endian = BFD_ENDIAN_LITTLE; |
91550191 | 1328 | |
09722039 | 1329 | if (argc != 3 && argc != 4) |
6131622e | 1330 | error ("wrong # args"); |
09722039 SG |
1331 | |
1332 | if (strcmp (argv[1], "source") == 0) | |
1333 | mixed_source_and_assembly = 1; | |
1334 | else if (strcmp (argv[1], "nosource") == 0) | |
1335 | mixed_source_and_assembly = 0; | |
1336 | else | |
6131622e | 1337 | error ("First arg must be 'source' or 'nosource'"); |
09722039 SG |
1338 | |
1339 | low = parse_and_eval_address (argv[2]); | |
1340 | ||
1341 | if (argc == 3) | |
1342 | { | |
1343 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) | |
6131622e | 1344 | error ("No function contains specified address"); |
09722039 SG |
1345 | } |
1346 | else | |
1347 | high = parse_and_eval_address (argv[3]); | |
1348 | ||
1349 | /* If disassemble_from_exec == -1, then we use the following heuristic to | |
1350 | determine whether or not to do disassembly from target memory or from the | |
1351 | exec file: | |
1352 | ||
1353 | If we're debugging a local process, read target memory, instead of the | |
1354 | exec file. This makes disassembly of functions in shared libs work | |
1355 | correctly. | |
1356 | ||
1357 | Else, we're debugging a remote process, and should disassemble from the | |
fda6fadc | 1358 | exec file for speed. However, this is no good if the target modifies its |
09722039 SG |
1359 | code (for relocation, or whatever). |
1360 | */ | |
1361 | ||
1362 | if (disassemble_from_exec == -1) | |
1363 | if (strcmp (target_shortname, "child") == 0 | |
d7c4766c SS |
1364 | || strcmp (target_shortname, "procfs") == 0 |
1365 | || strcmp (target_shortname, "vxprocess") == 0) | |
09722039 SG |
1366 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
1367 | else | |
1368 | disassemble_from_exec = 1; /* It's remote, read the exec file */ | |
1369 | ||
1370 | if (disassemble_from_exec) | |
a76ef70a SG |
1371 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
1372 | else | |
1373 | di.read_memory_func = dis_asm_read_memory; | |
09722039 SG |
1374 | |
1375 | /* If just doing straight assembly, all we need to do is disassemble | |
1376 | everything between low and high. If doing mixed source/assembly, we've | |
1377 | got a totally different path to follow. */ | |
1378 | ||
1379 | if (mixed_source_and_assembly) | |
1380 | { /* Come here for mixed source/assembly */ | |
1381 | /* The idea here is to present a source-O-centric view of a function to | |
1382 | the user. This means that things are presented in source order, with | |
1383 | (possibly) out of order assembly immediately following. */ | |
1384 | struct symtab *symtab; | |
1385 | struct linetable_entry *le; | |
1386 | int nlines; | |
c81a3fa9 | 1387 | int newlines; |
09722039 SG |
1388 | struct my_line_entry *mle; |
1389 | struct symtab_and_line sal; | |
1390 | int i; | |
1391 | int out_of_order; | |
c81a3fa9 | 1392 | int next_line; |
09722039 SG |
1393 | |
1394 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ | |
1395 | ||
1396 | if (!symtab) | |
1397 | goto assembly_only; | |
1398 | ||
1399 | /* First, convert the linetable to a bunch of my_line_entry's. */ | |
1400 | ||
1401 | le = symtab->linetable->item; | |
1402 | nlines = symtab->linetable->nitems; | |
1403 | ||
1404 | if (nlines <= 0) | |
1405 | goto assembly_only; | |
1406 | ||
1407 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); | |
1408 | ||
1409 | out_of_order = 0; | |
1410 | ||
c81a3fa9 SG |
1411 | /* Copy linetable entries for this function into our data structure, creating |
1412 | end_pc's and setting out_of_order as appropriate. */ | |
1413 | ||
1414 | /* First, skip all the preceding functions. */ | |
1415 | ||
1416 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; | |
1417 | ||
1418 | /* Now, copy all entries before the end of this function. */ | |
1419 | ||
1420 | newlines = 0; | |
1421 | for (; i < nlines - 1 && le[i].pc < high; i++) | |
09722039 | 1422 | { |
c81a3fa9 SG |
1423 | if (le[i].line == le[i + 1].line |
1424 | && le[i].pc == le[i + 1].pc) | |
1425 | continue; /* Ignore duplicates */ | |
1426 | ||
1427 | mle[newlines].line = le[i].line; | |
09722039 SG |
1428 | if (le[i].line > le[i + 1].line) |
1429 | out_of_order = 1; | |
c81a3fa9 SG |
1430 | mle[newlines].start_pc = le[i].pc; |
1431 | mle[newlines].end_pc = le[i + 1].pc; | |
1432 | newlines++; | |
09722039 SG |
1433 | } |
1434 | ||
c81a3fa9 SG |
1435 | /* If we're on the last line, and it's part of the function, then we need to |
1436 | get the end pc in a special way. */ | |
1437 | ||
1438 | if (i == nlines - 1 | |
1439 | && le[i].pc < high) | |
1440 | { | |
1441 | mle[newlines].line = le[i].line; | |
1442 | mle[newlines].start_pc = le[i].pc; | |
1443 | sal = find_pc_line (le[i].pc, 0); | |
1444 | mle[newlines].end_pc = sal.end; | |
1445 | newlines++; | |
1446 | } | |
09722039 SG |
1447 | |
1448 | /* Now, sort mle by line #s (and, then by addresses within lines). */ | |
1449 | ||
1450 | if (out_of_order) | |
c81a3fa9 | 1451 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
09722039 SG |
1452 | |
1453 | /* Now, for each line entry, emit the specified lines (unless they have been | |
1454 | emitted before), followed by the assembly code for that line. */ | |
1455 | ||
c81a3fa9 SG |
1456 | next_line = 0; /* Force out first line */ |
1457 | for (i = 0; i < newlines; i++) | |
09722039 | 1458 | { |
c81a3fa9 SG |
1459 | /* Print out everything from next_line to the current line. */ |
1460 | ||
1461 | if (mle[i].line >= next_line) | |
09722039 | 1462 | { |
c81a3fa9 SG |
1463 | if (next_line != 0) |
1464 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); | |
09722039 | 1465 | else |
c81a3fa9 SG |
1466 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
1467 | ||
1468 | next_line = mle[i].line + 1; | |
09722039 | 1469 | } |
c81a3fa9 | 1470 | |
09722039 SG |
1471 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
1472 | { | |
1473 | QUIT; | |
1474 | fputs_unfiltered (" ", gdb_stdout); | |
1475 | print_address (pc, gdb_stdout); | |
1476 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1477 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1478 | fputs_unfiltered ("\n", gdb_stdout); |
1479 | } | |
1480 | } | |
1481 | } | |
1482 | else | |
1483 | { | |
1484 | assembly_only: | |
1485 | for (pc = low; pc < high; ) | |
1486 | { | |
1487 | QUIT; | |
1488 | fputs_unfiltered (" ", gdb_stdout); | |
1489 | print_address (pc, gdb_stdout); | |
1490 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1491 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1492 | fputs_unfiltered ("\n", gdb_stdout); |
1493 | } | |
1494 | } | |
1495 | ||
09722039 SG |
1496 | gdb_flush (gdb_stdout); |
1497 | ||
1498 | return TCL_OK; | |
1499 | } | |
754e5da2 SG |
1500 | \f |
1501 | static void | |
1502 | tk_command (cmd, from_tty) | |
1503 | char *cmd; | |
1504 | int from_tty; | |
1505 | { | |
546b8ca7 SG |
1506 | int retval; |
1507 | char *result; | |
1508 | struct cleanup *old_chain; | |
1509 | ||
572977a5 FF |
1510 | /* Catch case of no argument, since this will make the tcl interpreter dump core. */ |
1511 | if (cmd == NULL) | |
1512 | error_no_arg ("tcl command to interpret"); | |
1513 | ||
546b8ca7 SG |
1514 | retval = Tcl_Eval (interp, cmd); |
1515 | ||
1516 | result = strdup (interp->result); | |
754e5da2 | 1517 | |
546b8ca7 SG |
1518 | old_chain = make_cleanup (free, result); |
1519 | ||
1520 | if (retval != TCL_OK) | |
1521 | error (result); | |
1522 | ||
1523 | printf_unfiltered ("%s\n", result); | |
1524 | ||
1525 | do_cleanups (old_chain); | |
754e5da2 SG |
1526 | } |
1527 | ||
1528 | static void | |
1529 | cleanup_init (ignored) | |
1530 | int ignored; | |
1531 | { | |
754e5da2 SG |
1532 | if (interp != NULL) |
1533 | Tcl_DeleteInterp (interp); | |
1534 | interp = NULL; | |
1535 | } | |
1536 | ||
637b1661 SG |
1537 | /* Come here during long calculations to check for GUI events. Usually invoked |
1538 | via the QUIT macro. */ | |
1539 | ||
1540 | static void | |
1541 | gdbtk_interactive () | |
1542 | { | |
1543 | /* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */ | |
1544 | } | |
1545 | ||
479f0f18 SG |
1546 | /* Come here when there is activity on the X file descriptor. */ |
1547 | ||
1548 | static void | |
1549 | x_event (signo) | |
1550 | int signo; | |
1551 | { | |
1552 | /* Process pending events */ | |
1553 | ||
f02156cf | 1554 | while (Tcl_DoOneEvent (TCL_DONT_WAIT|TCL_ALL_EVENTS) != 0); |
479f0f18 SG |
1555 | } |
1556 | ||
018d76dd KS |
1557 | #ifdef __CYGWIN32__ |
1558 | ||
1559 | /* For Cygwin32, we use a timer to periodically check for Windows | |
1560 | messages. FIXME: It would be better to not poll, but to instead | |
1561 | rewrite the target_wait routines to serve as input sources. | |
1562 | Unfortunately, that will be a lot of work. */ | |
1563 | ||
1564 | static void | |
1565 | gdbtk_start_timer () | |
1566 | { | |
1567 | sigset_t nullsigmask; | |
1568 | struct sigaction action; | |
1569 | struct itimerval it; | |
1570 | ||
1571 | sigemptyset (&nullsigmask); | |
1572 | ||
1573 | action.sa_handler = x_event; | |
1574 | action.sa_mask = nullsigmask; | |
1575 | action.sa_flags = 0; | |
1576 | sigaction (SIGALRM, &action, NULL); | |
1577 | ||
1578 | it.it_interval.tv_sec = 0; | |
1579 | /* Check for messages twice a second. */ | |
1580 | it.it_interval.tv_usec = 500 * 1000; | |
1581 | it.it_value.tv_sec = 0; | |
1582 | it.it_value.tv_usec = 500 * 1000; | |
1583 | ||
1584 | setitimer (ITIMER_REAL, &it, NULL); | |
1585 | } | |
1586 | ||
1587 | static void | |
1588 | gdbtk_stop_timer () | |
1589 | { | |
1590 | sigset_t nullsigmask; | |
1591 | struct sigaction action; | |
1592 | struct itimerval it; | |
1593 | ||
1594 | sigemptyset (&nullsigmask); | |
1595 | ||
1596 | action.sa_handler = SIG_IGN; | |
1597 | action.sa_mask = nullsigmask; | |
1598 | action.sa_flags = 0; | |
1599 | sigaction (SIGALRM, &action, NULL); | |
1600 | ||
1601 | it.it_interval.tv_sec = 0; | |
1602 | it.it_interval.tv_usec = 0; | |
1603 | it.it_value.tv_sec = 0; | |
1604 | it.it_value.tv_usec = 0; | |
1605 | setitimer (ITIMER_REAL, &it, NULL); | |
1606 | } | |
1607 | ||
1608 | #endif | |
1609 | ||
1610 | /* This hook function is called whenever we want to wait for the | |
1611 | target. */ | |
1612 | ||
479f0f18 SG |
1613 | static int |
1614 | gdbtk_wait (pid, ourstatus) | |
1615 | int pid; | |
1616 | struct target_waitstatus *ourstatus; | |
1617 | { | |
018d76dd | 1618 | #ifndef WINNT |
736a82e7 SG |
1619 | struct sigaction action; |
1620 | static sigset_t nullsigmask = {0}; | |
1621 | ||
018d76dd | 1622 | |
736a82e7 SG |
1623 | #ifndef SA_RESTART |
1624 | /* Needed for SunOS 4.1.x */ | |
1625 | #define SA_RESTART 0 | |
546b8ca7 | 1626 | #endif |
479f0f18 | 1627 | |
736a82e7 SG |
1628 | action.sa_handler = x_event; |
1629 | action.sa_mask = nullsigmask; | |
1630 | action.sa_flags = SA_RESTART; | |
1631 | sigaction(SIGIO, &action, NULL); | |
018d76dd KS |
1632 | #endif /* WINNT */ |
1633 | ||
1634 | #ifdef __CYGWIN32__ | |
1635 | gdbtk_start_timer (); | |
8a19b35a | 1636 | #endif |
736a82e7 | 1637 | |
479f0f18 SG |
1638 | pid = target_wait (pid, ourstatus); |
1639 | ||
018d76dd KS |
1640 | #ifdef __CYGWIN32__ |
1641 | gdbtk_stop_timer (); | |
1642 | #endif | |
1643 | ||
8a19b35a | 1644 | #ifndef WINNT |
018d76dd | 1645 | action.sa_handler = SIG_IGN; |
8a19b35a MH |
1646 | sigaction(SIGIO, &action, NULL); |
1647 | #endif | |
479f0f18 SG |
1648 | |
1649 | return pid; | |
1650 | } | |
1651 | ||
1652 | /* This is called from execute_command, and provides a wrapper around | |
1653 | various command routines in a place where both protocol messages and | |
1654 | user input both flow through. Mostly this is used for indicating whether | |
1655 | the target process is running or not. | |
1656 | */ | |
1657 | ||
1658 | static void | |
1659 | gdbtk_call_command (cmdblk, arg, from_tty) | |
1660 | struct cmd_list_element *cmdblk; | |
1661 | char *arg; | |
1662 | int from_tty; | |
1663 | { | |
fda6fadc | 1664 | running_now = 0; |
018d76dd | 1665 | if (cmdblk->class == class_run || cmdblk->class == class_trace) |
479f0f18 | 1666 | { |
fda6fadc | 1667 | running_now = 1; |
4e327047 | 1668 | Tcl_Eval (interp, "gdbtk_tcl_busy"); |
479f0f18 | 1669 | (*cmdblk->function.cfunc)(arg, from_tty); |
fda6fadc | 1670 | running_now = 0; |
2476848a | 1671 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
479f0f18 SG |
1672 | } |
1673 | else | |
1674 | (*cmdblk->function.cfunc)(arg, from_tty); | |
1675 | } | |
1676 | ||
5bac2b50 FF |
1677 | /* This function is called instead of gdb's internal command loop. This is the |
1678 | last chance to do anything before entering the main Tk event loop. */ | |
1679 | ||
1680 | static void | |
1681 | tk_command_loop () | |
1682 | { | |
41756e56 FF |
1683 | extern GDB_FILE *instream; |
1684 | ||
1685 | /* We no longer want to use stdin as the command input stream */ | |
1686 | instream = NULL; | |
018d76dd KS |
1687 | |
1688 | if (Tcl_Eval (interp, "gdbtk_tcl_preloop") != TCL_OK) | |
1689 | { | |
1690 | char *msg; | |
1691 | ||
1692 | /* Force errorInfo to be set up propertly. */ | |
1693 | Tcl_AddErrorInfo (interp, ""); | |
1694 | ||
1695 | msg = Tcl_GetVar (interp, "errorInfo", TCL_GLOBAL_ONLY); | |
1696 | #ifdef _WIN32 | |
1697 | MessageBox (NULL, msg, NULL, MB_OK | MB_ICONERROR | MB_TASKMODAL); | |
1698 | #else | |
1699 | fputs_unfiltered (msg, gdb_stderr); | |
1700 | #endif | |
1701 | } | |
1702 | ||
1703 | #ifdef _WIN32 | |
1704 | close_bfds (); | |
1705 | #endif | |
1706 | ||
5bac2b50 FF |
1707 | Tk_MainLoop (); |
1708 | } | |
1709 | ||
9a2f9219 ILT |
1710 | /* gdbtk_init installs this function as a final cleanup. */ |
1711 | ||
1712 | static void | |
1713 | gdbtk_cleanup (dummy) | |
1714 | PTR dummy; | |
1715 | { | |
1716 | Tcl_Finalize (); | |
1717 | } | |
1718 | ||
1719 | /* Initialize gdbtk. */ | |
1720 | ||
754e5da2 | 1721 | static void |
2476848a MH |
1722 | gdbtk_init ( argv0 ) |
1723 | char *argv0; | |
754e5da2 SG |
1724 | { |
1725 | struct cleanup *old_chain; | |
74089546 | 1726 | char *lib, *gdbtk_lib, *gdbtk_lib_tmp, *gdbtk_file; |
8a19b35a | 1727 | int i, found_main; |
018d76dd | 1728 | #ifndef WINNT |
736a82e7 SG |
1729 | struct sigaction action; |
1730 | static sigset_t nullsigmask = {0}; | |
018d76dd | 1731 | #endif |
2476848a | 1732 | #ifdef IDE |
018d76dd | 1733 | /* start-sanitize-ide */ |
2476848a MH |
1734 | struct ide_event_handle *h; |
1735 | const char *errmsg; | |
1736 | char *libexecdir; | |
018d76dd | 1737 | /* end-sanitize-ide */ |
2476848a | 1738 | #endif |
754e5da2 | 1739 | |
fe58c81f FF |
1740 | /* If there is no DISPLAY environment variable, Tk_Init below will fail, |
1741 | causing gdb to abort. If instead we simply return here, gdb will | |
1742 | gracefully degrade to using the command line interface. */ | |
1743 | ||
8a19b35a | 1744 | #ifndef WINNT |
fe58c81f FF |
1745 | if (getenv ("DISPLAY") == NULL) |
1746 | return; | |
8a19b35a | 1747 | #endif |
fe58c81f | 1748 | |
754e5da2 SG |
1749 | old_chain = make_cleanup (cleanup_init, 0); |
1750 | ||
1751 | /* First init tcl and tk. */ | |
2476848a | 1752 | Tcl_FindExecutable (argv0); |
754e5da2 SG |
1753 | interp = Tcl_CreateInterp (); |
1754 | ||
1755 | if (!interp) | |
1756 | error ("Tcl_CreateInterp failed"); | |
1757 | ||
754e5da2 SG |
1758 | if (Tcl_Init(interp) != TCL_OK) |
1759 | error ("Tcl_Init failed: %s", interp->result); | |
1760 | ||
9a2f9219 | 1761 | make_final_cleanup (gdbtk_cleanup, NULL); |
2476848a | 1762 | |
9a2f9219 | 1763 | /* Initialize the Paths variable. */ |
74089546 | 1764 | if (ide_initialize_paths (interp, "gdbtcl") != TCL_OK) |
9a2f9219 ILT |
1765 | error ("ide_initialize_paths failed: %s", interp->result); |
1766 | ||
dd3dd918 | 1767 | #ifdef IDE |
018d76dd | 1768 | /* start-sanitize-ide */ |
2476848a MH |
1769 | /* Find the directory where we expect to find idemanager. We ignore |
1770 | errors since it doesn't really matter if this fails. */ | |
1771 | libexecdir = Tcl_GetVar2 (interp, "Paths", "libexecdir", TCL_GLOBAL_ONLY); | |
1772 | ||
1773 | IluTk_Init (); | |
1774 | ||
7b94b2ea | 1775 | h = ide_event_init_from_environment (&errmsg, libexecdir); |
2476848a MH |
1776 | if (h == NULL) |
1777 | { | |
1778 | Tcl_AppendResult (interp, "can't initialize event system: ", errmsg, | |
1779 | (char *) NULL); | |
1780 | fprintf(stderr, "WARNING: ide_event_init_client failed: %s\n", interp->result); | |
9a2f9219 ILT |
1781 | |
1782 | Tcl_SetVar (interp, "GDBTK_IDE", "0", 0); | |
2476848a MH |
1783 | } |
1784 | else | |
1785 | { | |
1786 | if (ide_create_tclevent_command (interp, h) != TCL_OK) | |
1787 | error ("ide_create_tclevent_command failed: %s", interp->result); | |
018d76dd | 1788 | |
2476848a MH |
1789 | if (ide_create_edit_command (interp, h) != TCL_OK) |
1790 | error ("ide_create_edit_command failed: %s", interp->result); | |
1791 | ||
1792 | if (ide_create_property_command (interp, h) != TCL_OK) | |
1793 | error ("ide_create_property_command failed: %s", interp->result); | |
018d76dd KS |
1794 | |
1795 | if (ide_create_build_command (interp, h) != TCL_OK) | |
1796 | error ("ide_create_build_command failed: %s", interp->result); | |
1797 | ||
1798 | if (ide_create_window_register_command (interp, h, "gdb-restore") | |
1799 | != TCL_OK) | |
9a2f9219 ILT |
1800 | error ("ide_create_window_register_command failed: %s", |
1801 | interp->result); | |
1802 | ||
1803 | if (ide_create_window_command (interp, h) != TCL_OK) | |
1804 | error ("ide_create_window_command failed: %s", interp->result); | |
1805 | ||
018d76dd KS |
1806 | if (ide_create_exit_command (interp, h) != TCL_OK) |
1807 | error ("ide_create_exit_command failed: %s", interp->result); | |
1808 | ||
1809 | if (ide_create_help_command (interp) != TCL_OK) | |
1810 | error ("ide_create_help_command failed: %s", interp->result); | |
1811 | ||
2476848a MH |
1812 | /* |
1813 | if (ide_initialize (interp, "gdb") != TCL_OK) | |
1814 | error ("ide_initialize failed: %s", interp->result); | |
1815 | */ | |
9a2f9219 ILT |
1816 | |
1817 | Tcl_SetVar (interp, "GDBTK_IDE", "1", 0); | |
018d76dd | 1818 | Tcl_SetVar (interp, "IDE", "1", TCL_GLOBAL_ONLY); |
2476848a | 1819 | } |
018d76dd | 1820 | /* end-sanitize-ide */ |
2476848a MH |
1821 | #else |
1822 | Tcl_SetVar (interp, "GDBTK_IDE", "0", 0); | |
1823 | #endif /* IDE */ | |
1824 | ||
9a2f9219 ILT |
1825 | /* We don't want to open the X connection until we've done all the |
1826 | IDE initialization. Otherwise, goofy looking unfinished windows | |
1827 | pop up when ILU drops into the TCL event loop. */ | |
1828 | ||
1829 | if (Tk_Init(interp) != TCL_OK) | |
1830 | error ("Tk_Init failed: %s", interp->result); | |
1831 | ||
1832 | if (Itcl_Init(interp) == TCL_ERROR) | |
1833 | error ("Itcl_Init failed: %s", interp->result); | |
1834 | ||
1835 | if (Tix_Init(interp) != TCL_OK) | |
1836 | error ("Tix_Init failed: %s", interp->result); | |
1837 | ||
018d76dd KS |
1838 | #ifdef __CYGWIN32__ |
1839 | /* On Windows, create a sizebox widget command */ | |
1840 | if (ide_create_sizebox_command (interp) != TCL_OK) | |
1841 | error ("sizebox creation failed"); | |
1842 | if (ide_create_winprint_command (interp) != TCL_OK) | |
1843 | error ("windows print code initialization failed"); | |
1844 | /* start-sanitize-ide */ | |
1845 | /* An interface to ShellExecute. */ | |
1846 | if (ide_create_shell_execute_command (interp) != TCL_OK) | |
1847 | error ("shell execute command initialization failed"); | |
1848 | #endif | |
1849 | ||
86db943c SG |
1850 | Tcl_CreateCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
1851 | Tcl_CreateCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); | |
8a19b35a | 1852 | Tcl_CreateCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL); |
86db943c SG |
1853 | Tcl_CreateCommand (interp, "gdb_sourcelines", call_wrapper, gdb_sourcelines, |
1854 | NULL); | |
1855 | Tcl_CreateCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, | |
746d1df4 | 1856 | NULL); |
99c98415 MH |
1857 | Tcl_CreateCommand (interp, "gdb_listfuncs", call_wrapper, gdb_listfuncs, |
1858 | NULL); | |
018d76dd KS |
1859 | Tcl_CreateCommand (interp, "gdb_get_mem", call_wrapper, gdb_get_mem, |
1860 | NULL); | |
86db943c SG |
1861 | Tcl_CreateCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
1862 | Tcl_CreateCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); | |
1863 | Tcl_CreateCommand (interp, "gdb_fetch_registers", call_wrapper, | |
1864 | gdb_fetch_registers, NULL); | |
1865 | Tcl_CreateCommand (interp, "gdb_changed_register_list", call_wrapper, | |
1866 | gdb_changed_register_list, NULL); | |
09722039 SG |
1867 | Tcl_CreateCommand (interp, "gdb_disassemble", call_wrapper, |
1868 | gdb_disassemble, NULL); | |
1869 | Tcl_CreateCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); | |
6131622e SG |
1870 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
1871 | gdb_get_breakpoint_list, NULL); | |
1872 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper, | |
1873 | gdb_get_breakpoint_info, NULL); | |
018d76dd KS |
1874 | Tcl_CreateCommand (interp, "gdb_clear_file", call_wrapper, |
1875 | gdb_clear_file, NULL); | |
1876 | Tcl_CreateCommand (interp, "gdb_confirm_quit", call_wrapper, | |
1877 | gdb_confirm_quit, NULL); | |
1878 | Tcl_CreateCommand (interp, "gdb_force_quit", call_wrapper, | |
1879 | gdb_force_quit, NULL); | |
1880 | Tcl_CreateCommand (interp, "gdb_target_has_execution", | |
1881 | gdb_target_has_execution_command, | |
1882 | NULL, NULL); | |
1883 | Tcl_CreateObjCommand (interp, "gdb_load_info", gdb_load_info, NULL, NULL); | |
1884 | Tcl_CreateObjCommand (interp, "gdb_get_locals", gdb_get_vars_command, | |
1885 | (ClientData) 0, NULL); | |
1886 | Tcl_CreateObjCommand (interp, "gdb_get_args", gdb_get_vars_command, | |
1887 | (ClientData) 1, NULL); | |
1888 | Tcl_CreateObjCommand (interp, "gdb_get_function", gdb_get_function_command, | |
1889 | NULL, NULL); | |
1890 | Tcl_CreateObjCommand (interp, "gdb_get_line", gdb_get_line_command, | |
1891 | NULL, NULL); | |
1892 | Tcl_CreateObjCommand (interp, "gdb_get_file", gdb_get_file_command, | |
1893 | NULL, NULL); | |
1894 | Tcl_CreateObjCommand (interp, "gdb_tracepoint_exists", | |
1895 | gdb_tracepoint_exists_command, NULL, NULL); | |
1896 | Tcl_CreateObjCommand (interp, "gdb_get_tracepoint_info", | |
1897 | gdb_get_tracepoint_info, NULL, NULL); | |
1898 | Tcl_CreateObjCommand (interp, "gdb_actions", | |
1899 | gdb_actions_command, NULL, NULL); | |
1900 | Tcl_CreateObjCommand (interp, "gdb_prompt", | |
1901 | gdb_prompt_command, NULL, NULL); | |
e0f7db02 KS |
1902 | Tcl_CreateObjCommand (interp, "gdb_find_file", |
1903 | gdb_find_file_command, NULL, NULL); | |
018d76dd | 1904 | |
5bac2b50 | 1905 | command_loop_hook = tk_command_loop; |
b607efe7 FF |
1906 | print_frame_info_listing_hook = |
1907 | (void (*) PARAMS ((struct symtab *, int, int, int))) null_routine; | |
09722039 SG |
1908 | query_hook = gdbtk_query; |
1909 | flush_hook = gdbtk_flush; | |
1910 | create_breakpoint_hook = gdbtk_create_breakpoint; | |
1911 | delete_breakpoint_hook = gdbtk_delete_breakpoint; | |
6131622e | 1912 | modify_breakpoint_hook = gdbtk_modify_breakpoint; |
09722039 SG |
1913 | interactive_hook = gdbtk_interactive; |
1914 | target_wait_hook = gdbtk_wait; | |
1915 | call_command_hook = gdbtk_call_command; | |
41756e56 FF |
1916 | readline_begin_hook = gdbtk_readline_begin; |
1917 | readline_hook = gdbtk_readline; | |
1918 | readline_end_hook = gdbtk_readline_end; | |
018d76dd KS |
1919 | ui_load_progress_hook = gdbtk_load_hash; |
1920 | create_tracepoint_hook = gdbtk_create_tracepoint; | |
1921 | delete_tracepoint_hook = gdbtk_delete_tracepoint; | |
754e5da2 | 1922 | |
018d76dd | 1923 | #ifndef WINNT |
cd2df226 | 1924 | /* Get the file descriptor for the X server */ |
479f0f18 | 1925 | |
047465fd | 1926 | x_fd = ConnectionNumber (Tk_Display (Tk_MainWindow (interp))); |
479f0f18 SG |
1927 | |
1928 | /* Setup for I/O interrupts */ | |
1929 | ||
736a82e7 SG |
1930 | action.sa_mask = nullsigmask; |
1931 | action.sa_flags = 0; | |
1932 | action.sa_handler = SIG_IGN; | |
1933 | sigaction(SIGIO, &action, NULL); | |
1934 | ||
1935 | #ifdef FIOASYNC | |
1936 | i = 1; | |
1937 | if (ioctl (x_fd, FIOASYNC, &i)) | |
1938 | perror_with_name ("gdbtk_init: ioctl FIOASYNC failed"); | |
479f0f18 | 1939 | |
77a89957 | 1940 | #ifdef SIOCSPGRP |
736a82e7 SG |
1941 | i = getpid(); |
1942 | if (ioctl (x_fd, SIOCSPGRP, &i)) | |
1943 | perror_with_name ("gdbtk_init: ioctl SIOCSPGRP failed"); | |
45f90c50 MM |
1944 | |
1945 | #else | |
1946 | #ifdef F_SETOWN | |
1947 | i = getpid(); | |
1948 | if (fcntl (x_fd, F_SETOWN, i)) | |
1949 | perror_with_name ("gdbtk_init: fcntl F_SETOWN failed"); | |
1950 | #endif /* F_SETOWN */ | |
1951 | #endif /* !SIOCSPGRP */ | |
546b8ca7 | 1952 | #else |
8a19b35a | 1953 | #ifndef WINNT |
546b8ca7 | 1954 | if (ioctl (x_fd, I_SETSIG, S_INPUT|S_RDNORM) < 0) |
736a82e7 | 1955 | perror_with_name ("gdbtk_init: ioctl I_SETSIG failed"); |
8a19b35a MH |
1956 | #endif |
1957 | ||
736a82e7 | 1958 | #endif /* ifndef FIOASYNC */ |
018d76dd | 1959 | #endif /* WINNT */ |
479f0f18 | 1960 | |
754e5da2 SG |
1961 | add_com ("tk", class_obscure, tk_command, |
1962 | "Send a command directly into tk."); | |
09722039 | 1963 | |
09722039 SG |
1964 | Tcl_LinkVar (interp, "disassemble-from-exec", (char *)&disassemble_from_exec, |
1965 | TCL_LINK_INT); | |
1966 | ||
8a19b35a | 1967 | /* find the gdb tcl library and source main.tcl */ |
09722039 | 1968 | |
8a19b35a MH |
1969 | gdbtk_lib = getenv ("GDBTK_LIBRARY"); |
1970 | if (!gdbtk_lib) | |
1971 | if (access ("gdbtcl/main.tcl", R_OK) == 0) | |
1972 | gdbtk_lib = "gdbtcl"; | |
09722039 | 1973 | else |
8a19b35a MH |
1974 | gdbtk_lib = GDBTK_LIBRARY; |
1975 | ||
74089546 ILT |
1976 | gdbtk_lib_tmp = xstrdup (gdbtk_lib); |
1977 | ||
8a19b35a MH |
1978 | found_main = 0; |
1979 | /* see if GDBTK_LIBRARY is a path list */ | |
1980 | lib = strtok (gdbtk_lib_tmp, GDBTK_PATH_SEP); | |
1981 | do | |
1982 | { | |
1983 | if (Tcl_VarEval (interp, "lappend auto_path ", lib, NULL) != TCL_OK) | |
1984 | { | |
1985 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1986 | error (""); | |
1987 | } | |
1988 | if (!found_main) | |
1989 | { | |
74089546 | 1990 | gdbtk_file = concat (lib, "/main.tcl", (char *) NULL); |
8a19b35a MH |
1991 | if (access (gdbtk_file, R_OK) == 0) |
1992 | { | |
1993 | found_main++; | |
1994 | Tcl_SetVar (interp, "GDBTK_LIBRARY", lib, 0); | |
1995 | } | |
1996 | } | |
1997 | } | |
56e327b3 | 1998 | while ((lib = strtok (NULL, ":")) != NULL); |
74089546 ILT |
1999 | |
2000 | free (gdbtk_lib_tmp); | |
2001 | ||
74089546 ILT |
2002 | if (!found_main) |
2003 | { | |
2004 | /* Try finding it with the auto path. */ | |
2005 | ||
2006 | static const char script[] ="\ | |
2007 | proc gdbtk_find_main {} {\n\ | |
2008 | global auto_path GDBTK_LIBRARY\n\ | |
2009 | foreach dir $auto_path {\n\ | |
2010 | set f [file join $dir main.tcl]\n\ | |
2011 | if {[file exists $f]} then {\n\ | |
2012 | set GDBTK_LIBRARY $dir\n\ | |
2013 | return $f\n\ | |
2014 | }\n\ | |
2015 | }\n\ | |
2016 | return ""\n\ | |
2017 | }\n\ | |
2018 | gdbtk_find_main"; | |
2019 | ||
2020 | if (Tcl_GlobalEval (interp, (char *) script) != TCL_OK) | |
2021 | { | |
2022 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
2023 | error (""); | |
2024 | } | |
2025 | ||
2026 | if (interp->result[0] != '\0') | |
2027 | { | |
2028 | gdbtk_file = xstrdup (interp->result); | |
2029 | found_main++; | |
2030 | } | |
2031 | } | |
74089546 | 2032 | |
8a19b35a MH |
2033 | if (!found_main) |
2034 | { | |
2035 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
2036 | if (getenv("GDBTK_LIBRARY")) | |
2037 | { | |
2038 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n",getenv("GDBTK_LIBRARY")); | |
2039 | fprintf_unfiltered (stderr, | |
2040 | "Please set GDBTK_LIBRARY to a path that includes the GDB tcl files.\n"); | |
2041 | } | |
2042 | else | |
2043 | { | |
2044 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n", GDBTK_LIBRARY); | |
2045 | fprintf_unfiltered (stderr, "You might want to set GDBTK_LIBRARY\n"); | |
2046 | } | |
2047 | error(""); | |
2048 | } | |
09722039 | 2049 | |
724498fd SG |
2050 | /* Defer setup of fputs_unfiltered_hook to near the end so that error messages |
2051 | prior to this point go to stdout/stderr. */ | |
2052 | ||
2053 | fputs_unfiltered_hook = gdbtk_fputs; | |
2054 | ||
8a19b35a | 2055 | if (Tcl_EvalFile (interp, gdbtk_file) != TCL_OK) |
724498fd | 2056 | { |
018d76dd KS |
2057 | char *msg; |
2058 | ||
2059 | /* Force errorInfo to be set up propertly. */ | |
2060 | Tcl_AddErrorInfo (interp, ""); | |
2061 | ||
2062 | msg = Tcl_GetVar (interp, "errorInfo", TCL_GLOBAL_ONLY); | |
2063 | ||
724498fd SG |
2064 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ |
2065 | ||
018d76dd KS |
2066 | #ifdef _WIN32 |
2067 | MessageBox (NULL, msg, NULL, MB_OK | MB_ICONERROR | MB_TASKMODAL); | |
2068 | #else | |
2069 | fputs_unfiltered (msg, gdb_stderr); | |
2070 | #endif | |
b66051ec | 2071 | |
b66051ec | 2072 | error (""); |
724498fd | 2073 | } |
09722039 | 2074 | |
018d76dd KS |
2075 | #ifdef IDE |
2076 | /* start-sanitize-ide */ | |
2077 | /* Don't do this until we have initialized. Otherwise, we may get a | |
2078 | run command before we are ready for one. */ | |
2079 | if (ide_run_server_init (interp, h) != TCL_OK) | |
2080 | error ("ide_run_server_init failed: %s", interp->result); | |
2081 | /* end-sanitize-ide */ | |
2082 | #endif | |
2083 | ||
74089546 ILT |
2084 | free (gdbtk_file); |
2085 | ||
09722039 | 2086 | discard_cleanups (old_chain); |
754e5da2 SG |
2087 | } |
2088 | ||
018d76dd KS |
2089 | static int |
2090 | gdb_target_has_execution_command (clientData, interp, argc, argv) | |
2091 | ClientData clientData; | |
2092 | Tcl_Interp *interp; | |
2093 | int argc; | |
2094 | char *argv[]; | |
2095 | { | |
2096 | int result = 0; | |
2097 | ||
2098 | if (target_has_execution && inferior_pid != 0) | |
2099 | result = 1; | |
2100 | ||
2101 | Tcl_SetIntObj (Tcl_GetObjResult (interp), result); | |
2102 | return TCL_OK; | |
2103 | } | |
2104 | ||
2105 | /* gdb_load_info - returns information about the file about to be downloaded */ | |
2106 | ||
2107 | static int | |
2108 | gdb_load_info (clientData, interp, objc, objv) | |
2109 | ClientData clientData; | |
2110 | Tcl_Interp *interp; | |
2111 | int objc; | |
2112 | Tcl_Obj *CONST objv[]; | |
2113 | { | |
2114 | bfd *loadfile_bfd; | |
2115 | struct cleanup *old_cleanups; | |
2116 | asection *s; | |
2117 | Tcl_Obj *ob[2]; | |
2118 | Tcl_Obj *res[16]; | |
2119 | int i = 0; | |
2120 | ||
2121 | char *filename = Tcl_GetStringFromObj (objv[1], NULL); | |
2122 | ||
2123 | loadfile_bfd = bfd_openr (filename, gnutarget); | |
2124 | if (loadfile_bfd == NULL) | |
2125 | { | |
2126 | Tcl_SetObjResult (interp, Tcl_NewStringObj ("Open failed", -1)); | |
2127 | return TCL_ERROR; | |
2128 | } | |
2129 | old_cleanups = make_cleanup (bfd_close, loadfile_bfd); | |
2130 | ||
2131 | if (!bfd_check_format (loadfile_bfd, bfd_object)) | |
2132 | { | |
2133 | Tcl_SetObjResult (interp, Tcl_NewStringObj ("Bad Object File", -1)); | |
2134 | return TCL_ERROR; | |
2135 | } | |
2136 | ||
2137 | for (s = loadfile_bfd->sections; s; s = s->next) | |
2138 | { | |
2139 | if (s->flags & SEC_LOAD) | |
2140 | { | |
2141 | bfd_size_type size = bfd_get_section_size_before_reloc (s); | |
2142 | if (size > 0) | |
2143 | { | |
2144 | ob[0] = Tcl_NewStringObj((char *)bfd_get_section_name(loadfile_bfd, s), -1); | |
2145 | ob[1] = Tcl_NewLongObj ((long)size); | |
2146 | res[i++] = Tcl_NewListObj (2, ob); | |
2147 | } | |
2148 | } | |
2149 | } | |
2150 | ||
2151 | Tcl_SetObjResult (interp, Tcl_NewListObj (i, res)); | |
2152 | do_cleanups (old_cleanups); | |
2153 | return TCL_OK; | |
2154 | } | |
2155 | ||
2156 | ||
2157 | int | |
2158 | gdbtk_load_hash (section, num) | |
2159 | char *section; | |
2160 | unsigned long num; | |
2161 | { | |
2162 | int result; | |
2163 | char buf[128]; | |
2164 | sprintf (buf, "download_hash %s %ld", section, num); | |
2165 | result = Tcl_Eval (interp, buf); | |
2166 | return result; | |
2167 | } | |
2168 | ||
2169 | /* gdb_get_vars_command - | |
2170 | * | |
2171 | * Implements the "gdb_get_locals" and "gdb_get_args" tcl commands. This | |
2172 | * function sets the Tcl interpreter's result to a list of variable names | |
2173 | * depending on clientData. If clientData is one, the result is a list of | |
2174 | * arguments; zero returns a list of locals -- all relative to the block | |
2175 | * specified as an argument to the command. Valid commands include | |
2176 | * anything decode_line_1 can handle (like "main.c:2", "*0x02020202", | |
2177 | * and "main"). | |
2178 | */ | |
2179 | static int | |
2180 | gdb_get_vars_command (clientData, interp, objc, objv) | |
2181 | ClientData clientData; | |
2182 | Tcl_Interp *interp; | |
2183 | int objc; | |
2184 | Tcl_Obj *CONST objv[]; | |
2185 | { | |
2186 | Tcl_Obj *result; | |
2187 | struct symtabs_and_lines sals; | |
2188 | struct symbol *sym; | |
2189 | struct block *block; | |
2190 | char **canonical, *args; | |
2191 | int i, nsyms, arguments; | |
2192 | ||
2193 | if (objc != 2) | |
2194 | { | |
2195 | Tcl_AppendResult (interp, | |
2196 | "wrong # of args: should be \"", | |
2197 | Tcl_GetStringFromObj (objv[0], NULL), | |
2198 | " function:line|function|line|*addr\""); | |
2199 | return TCL_ERROR; | |
2200 | } | |
2201 | ||
2202 | arguments = (int) clientData; | |
2203 | args = Tcl_GetStringFromObj (objv[1], NULL); | |
2204 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); | |
2205 | if (sals.nelts == 0) | |
2206 | { | |
2207 | Tcl_AppendResult (interp, | |
2208 | "error decoding line", NULL); | |
2209 | return TCL_ERROR; | |
2210 | } | |
2211 | ||
2212 | /* Initialize a list that will hold the results */ | |
2213 | result = Tcl_NewListObj (0, NULL); | |
2214 | ||
2215 | /* Resolve all line numbers to PC's */ | |
2216 | for (i = 0; i < sals.nelts; i++) | |
2217 | resolve_sal_pc (&sals.sals[i]); | |
2218 | ||
2219 | block = block_for_pc (sals.sals[0].pc); | |
2220 | while (block != 0) | |
2221 | { | |
2222 | nsyms = BLOCK_NSYMS (block); | |
2223 | for (i = 0; i < nsyms; i++) | |
2224 | { | |
2225 | sym = BLOCK_SYM (block, i); | |
2226 | switch (SYMBOL_CLASS (sym)) { | |
2227 | default: | |
2228 | case LOC_UNDEF: /* catches errors */ | |
2229 | case LOC_CONST: /* constant */ | |
2230 | case LOC_STATIC: /* static */ | |
2231 | case LOC_REGISTER: /* register */ | |
2232 | case LOC_TYPEDEF: /* local typedef */ | |
2233 | case LOC_LABEL: /* local label */ | |
2234 | case LOC_BLOCK: /* local function */ | |
2235 | case LOC_CONST_BYTES: /* loc. byte seq. */ | |
2236 | case LOC_UNRESOLVED: /* unresolved static */ | |
2237 | case LOC_OPTIMIZED_OUT: /* optimized out */ | |
2238 | break; | |
2239 | case LOC_ARG: /* argument */ | |
2240 | case LOC_REF_ARG: /* reference arg */ | |
2241 | case LOC_REGPARM: /* register arg */ | |
2242 | case LOC_REGPARM_ADDR: /* indirect register arg */ | |
2243 | case LOC_LOCAL_ARG: /* stack arg */ | |
2244 | case LOC_BASEREG_ARG: /* basereg arg */ | |
2245 | if (arguments) | |
2246 | Tcl_ListObjAppendElement (interp, result, | |
2247 | Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); | |
2248 | break; | |
2249 | case LOC_LOCAL: /* stack local */ | |
2250 | case LOC_BASEREG: /* basereg local */ | |
2251 | if (!arguments) | |
2252 | Tcl_ListObjAppendElement (interp, result, | |
2253 | Tcl_NewStringObj (SYMBOL_NAME (sym), -1)); | |
2254 | break; | |
2255 | } | |
2256 | } | |
2257 | if (BLOCK_FUNCTION (block)) | |
2258 | break; | |
2259 | else | |
2260 | block = BLOCK_SUPERBLOCK (block); | |
2261 | } | |
2262 | ||
2263 | Tcl_SetObjResult (interp, result); | |
2264 | return TCL_OK; | |
2265 | } | |
2266 | ||
2267 | static int | |
2268 | gdb_get_line_command (clientData, interp, objc, objv) | |
2269 | ClientData clientData; | |
2270 | Tcl_Interp *interp; | |
2271 | int objc; | |
2272 | Tcl_Obj *CONST objv[]; | |
2273 | { | |
2274 | Tcl_Obj *result; | |
2275 | struct symtabs_and_lines sals; | |
2276 | char *args, **canonical; | |
2277 | ||
2278 | if (objc != 2) | |
2279 | { | |
2280 | Tcl_AppendResult (interp, "wrong # of args: should be \"", | |
2281 | Tcl_GetStringFromObj (objv[0], NULL), | |
2282 | " linespec\""); | |
2283 | return TCL_ERROR; | |
2284 | } | |
2285 | ||
2286 | args = Tcl_GetStringFromObj (objv[1], NULL); | |
2287 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); | |
2288 | if (sals.nelts == 1) | |
2289 | { | |
2290 | Tcl_SetObjResult (interp, Tcl_NewIntObj (sals.sals[0].line)); | |
2291 | return TCL_OK; | |
2292 | } | |
2293 | ||
2294 | Tcl_SetResult (interp, "N/A", TCL_STATIC); | |
2295 | return TCL_OK; | |
2296 | } | |
2297 | ||
2298 | static int | |
2299 | gdb_get_file_command (clientData, interp, objc, objv) | |
2300 | ClientData clientData; | |
2301 | Tcl_Interp *interp; | |
2302 | int objc; | |
2303 | Tcl_Obj *CONST objv[]; | |
2304 | { | |
2305 | Tcl_Obj *result; | |
2306 | struct symtabs_and_lines sals; | |
2307 | char *args, **canonical; | |
2308 | ||
2309 | if (objc != 2) | |
2310 | { | |
2311 | Tcl_AppendResult (interp, "wrong # of args: should be \"", | |
2312 | Tcl_GetStringFromObj (objv[0], NULL), | |
2313 | " linespec\""); | |
2314 | return TCL_ERROR; | |
2315 | } | |
2316 | ||
2317 | args = Tcl_GetStringFromObj (objv[1], NULL); | |
2318 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); | |
2319 | if (sals.nelts == 1) | |
2320 | { | |
2321 | Tcl_SetResult (interp, sals.sals[0].symtab->filename, TCL_VOLATILE); | |
2322 | return TCL_OK; | |
2323 | } | |
2324 | ||
2325 | Tcl_SetResult (interp, "N/A", TCL_STATIC); | |
2326 | return TCL_OK; | |
2327 | } | |
2328 | ||
2329 | static int | |
2330 | gdb_get_function_command (clientData, interp, objc, objv) | |
2331 | ClientData clientData; | |
2332 | Tcl_Interp *interp; | |
2333 | int objc; | |
2334 | Tcl_Obj *CONST objv[]; | |
2335 | { | |
2336 | Tcl_Obj *result; | |
2337 | char *function; | |
2338 | struct symtabs_and_lines sals; | |
2339 | char *args, **canonical; | |
2340 | ||
2341 | if (objc != 2) | |
2342 | { | |
2343 | Tcl_AppendResult (interp, "wrong # of args: should be \"", | |
2344 | Tcl_GetStringFromObj (objv[0], NULL), | |
2345 | " linespec\""); | |
2346 | return TCL_ERROR; | |
2347 | } | |
2348 | ||
2349 | args = Tcl_GetStringFromObj (objv[1], NULL); | |
2350 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); | |
2351 | if (sals.nelts == 1) | |
2352 | { | |
2353 | resolve_sal_pc (&sals.sals[0]); | |
2354 | find_pc_partial_function (sals.sals[0].pc, &function, NULL, NULL); | |
2355 | if (function != NULL) | |
2356 | { | |
2357 | Tcl_SetResult (interp, function, TCL_VOLATILE); | |
2358 | return TCL_OK; | |
2359 | } | |
2360 | } | |
2361 | ||
2362 | Tcl_SetResult (interp, "N/A", TCL_STATIC); | |
2363 | return TCL_OK; | |
2364 | } | |
2365 | ||
2366 | static int | |
2367 | gdb_get_tracepoint_info (clientData, interp, objc, objv) | |
2368 | ClientData clientData; | |
2369 | Tcl_Interp *interp; | |
2370 | int objc; | |
2371 | Tcl_Obj *CONST objv[]; | |
2372 | { | |
2373 | struct symtab_and_line sal; | |
2374 | struct command_line *cmd; | |
2375 | int tpnum; | |
2376 | struct tracepoint *tp; | |
2377 | struct action_line *al; | |
2378 | Tcl_Obj *list, *action_list; | |
2379 | char tmp[19]; | |
2380 | ||
2381 | if (objc != 2) | |
2382 | error ("wrong # args"); | |
2383 | ||
2384 | Tcl_GetIntFromObj (NULL, objv[1], &tpnum); | |
2385 | ||
2386 | ALL_TRACEPOINTS (tp) | |
2387 | if (tp->number == tpnum) | |
2388 | break; | |
2389 | ||
2390 | if (tp == NULL) | |
2391 | error ("Tracepoint #%d does not exist", tpnum); | |
2392 | ||
2393 | list = Tcl_NewListObj (0, NULL); | |
2394 | if (tp->source_file != NULL) | |
2395 | Tcl_ListObjAppendElement (interp, list, Tcl_NewStringObj (tp->source_file, -1)); | |
2396 | else | |
2397 | Tcl_ListObjAppendElement (interp, list, Tcl_NewStringObj ("N/A", -1)); | |
2398 | Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->line_number)); | |
2399 | /* the function part is not currently used by the frontend */ | |
2400 | Tcl_ListObjAppendElement (interp, list, Tcl_NewStringObj ("function", -1)); | |
2401 | sprintf (tmp, "0x%08x", tp->address); | |
2402 | Tcl_ListObjAppendElement (interp, list, Tcl_NewStringObj (tmp, -1)); | |
2403 | Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->enabled)); | |
2404 | Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->pass_count)); | |
2405 | Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->step_count)); | |
2406 | Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->thread)); | |
2407 | Tcl_ListObjAppendElement (interp, list, Tcl_NewIntObj (tp->hit_count)); | |
2408 | ||
2409 | /* Append a list of actions */ | |
2410 | action_list = Tcl_NewListObj (0, NULL); | |
2411 | for (al = tp->actions; al != NULL; al = al->next) | |
2412 | { | |
2413 | Tcl_ListObjAppendElement (interp, action_list, | |
2414 | Tcl_NewStringObj (al->action, -1)); | |
2415 | } | |
2416 | Tcl_ListObjAppendElement (interp, list, action_list); | |
2417 | ||
2418 | Tcl_SetObjResult (interp, list); | |
2419 | return TCL_OK; | |
2420 | } | |
2421 | ||
2422 | static void | |
2423 | gdbtk_create_tracepoint (tp) | |
2424 | struct tracepoint *tp; | |
2425 | { | |
2426 | tracepoint_notify (tp, "create"); | |
2427 | } | |
2428 | ||
2429 | static void | |
2430 | gdbtk_delete_tracepoint (tp) | |
2431 | struct tracepoint *tp; | |
2432 | { | |
2433 | tracepoint_notify (tp, "delete"); | |
2434 | } | |
2435 | ||
2436 | static void | |
2437 | tracepoint_notify(tp, action) | |
2438 | struct tracepoint *tp; | |
2439 | const char *action; | |
2440 | { | |
2441 | char buf[256]; | |
2442 | char *source; | |
2443 | int v; | |
2444 | ||
2445 | /* We ensure that ACTION contains no special Tcl characters, so we | |
2446 | can do this. */ | |
2447 | if (tp->source_file != NULL) | |
2448 | source = tp->source_file; | |
2449 | else | |
2450 | source = "N/A"; | |
2451 | sprintf (buf, "gdbtk_tcl_tracepoint %s %d 0x%lx %d {%s}", action, tp->number, | |
2452 | (long)tp->address, tp->line_number, source); | |
2453 | ||
2454 | v = Tcl_Eval (interp, buf); | |
2455 | ||
2456 | if (v != TCL_OK) | |
2457 | { | |
2458 | gdbtk_fputs (interp->result, gdb_stdout); | |
2459 | gdbtk_fputs ("\n", gdb_stdout); | |
2460 | } | |
2461 | } | |
2462 | ||
2463 | /* returns -1 if not found, tracepoint # if found */ | |
2464 | int | |
2465 | tracepoint_exists (char * args) | |
2466 | { | |
2467 | struct tracepoint *tp; | |
2468 | char **canonical; | |
2469 | struct symtabs_and_lines sals; | |
2470 | char *file = NULL; | |
2471 | int result = -1; | |
2472 | ||
2473 | sals = decode_line_1 (&args, 1, NULL, 0, &canonical); | |
2474 | if (sals.nelts == 1) | |
2475 | { | |
2476 | resolve_sal_pc (&sals.sals[0]); | |
2477 | file = xmalloc (strlen (sals.sals[0].symtab->dirname) | |
2478 | + strlen (sals.sals[0].symtab->filename) + 1); | |
2479 | if (file != NULL) | |
2480 | { | |
2481 | strcpy (file, sals.sals[0].symtab->dirname); | |
2482 | strcat (file, sals.sals[0].symtab->filename); | |
2483 | ||
2484 | ALL_TRACEPOINTS (tp) | |
2485 | { | |
2486 | if (tp->address == sals.sals[0].pc) | |
2487 | result = tp->number; | |
2488 | else if (tp->source_file != NULL | |
2489 | && strcmp (tp->source_file, file) == 0 | |
2490 | && sals.sals[0].line == tp->line_number) | |
2491 | ||
2492 | result = tp->number; | |
2493 | } | |
2494 | } | |
2495 | } | |
2496 | if (file != NULL) | |
2497 | free (file); | |
2498 | return result; | |
2499 | } | |
2500 | ||
2501 | static int | |
2502 | gdb_actions_command (clientData, interp, objc, objv) | |
2503 | ClientData clientData; | |
2504 | Tcl_Interp *interp; | |
2505 | int objc; | |
2506 | Tcl_Obj *CONST objv[]; | |
2507 | { | |
2508 | struct tracepoint *tp; | |
2509 | Tcl_Obj **actions; | |
2510 | int nactions, i, len; | |
2511 | char *number, *args, *action; | |
2512 | struct action_line *next = NULL, *temp; | |
2513 | ||
2514 | if (objc != 3) | |
2515 | { | |
2516 | Tcl_AppendResult (interp, "wrong # args: should be: \"", | |
2517 | Tcl_GetStringFromObj (objv[0], NULL), | |
2518 | " number actions\""); | |
2519 | return TCL_ERROR; | |
2520 | } | |
2521 | ||
2522 | args = number = Tcl_GetStringFromObj (objv[1], NULL); | |
2523 | tp = get_tracepoint_by_number (&args); | |
2524 | if (tp == NULL) | |
2525 | { | |
2526 | Tcl_AppendResult (interp, "Tracepoint \"", number, "\" does not exist"); | |
2527 | return TCL_ERROR; | |
2528 | } | |
2529 | ||
2530 | /* Free any existing actions */ | |
2531 | for (temp = tp->actions; temp != NULL; temp = temp->next) | |
2532 | { | |
2533 | if (temp->action) | |
2534 | free (temp->action); | |
2535 | free (temp); | |
2536 | } | |
2537 | ||
2538 | Tcl_ListObjGetElements (interp, objv[2], &nactions, &actions); | |
2539 | for (i = 0; i < nactions; i++) | |
2540 | { | |
2541 | temp = xmalloc (sizeof (struct action_line)); | |
2542 | temp->next = NULL; | |
2543 | action = Tcl_GetStringFromObj (actions[i], &len); | |
2544 | temp->action = savestring (action, len); | |
2545 | if (next == NULL) | |
2546 | { | |
2547 | tp->actions = temp; | |
2548 | next = temp; | |
2549 | } | |
2550 | else | |
2551 | { | |
2552 | next->next = temp; | |
2553 | next = temp; | |
2554 | } | |
2555 | } | |
2556 | ||
2557 | return TCL_OK; | |
2558 | } | |
2559 | ||
2560 | static int | |
2561 | gdb_tracepoint_exists_command (clientData, interp, objc, objv) | |
2562 | ClientData clientData; | |
2563 | Tcl_Interp *interp; | |
2564 | int objc; | |
2565 | Tcl_Obj *CONST objv[]; | |
2566 | { | |
2567 | char * args; | |
2568 | ||
2569 | if (objc != 2) | |
2570 | { | |
2571 | Tcl_AppendResult (interp, "wrong # of args: should be \"", | |
2572 | Tcl_GetStringFromObj (objv[0], NULL), | |
2573 | " function:line|function|line|*addr\""); | |
2574 | return TCL_ERROR; | |
2575 | } | |
2576 | ||
2577 | args = Tcl_GetStringFromObj (objv[1], NULL); | |
2578 | ||
2579 | Tcl_SetObjResult (interp, Tcl_NewIntObj (tracepoint_exists (args))); | |
2580 | return TCL_OK; | |
2581 | } | |
2582 | ||
2583 | /* Return the prompt to the interpreter */ | |
2584 | static int | |
2585 | gdb_prompt_command (clientData, interp, objc, objv) | |
2586 | ClientData clientData; | |
2587 | Tcl_Interp *interp; | |
2588 | int objc; | |
2589 | Tcl_Obj *CONST objv[]; | |
2590 | { | |
2591 | Tcl_SetResult (interp, get_prompt (), TCL_VOLATILE); | |
2592 | return TCL_OK; | |
2593 | } | |
2594 | ||
e0f7db02 KS |
2595 | |
2596 | /* This is stolen from source.c */ | |
2597 | #ifdef CRLF_SOURCE_FILES | |
2598 | ||
2599 | /* Define CRLF_SOURCE_FILES in an xm-*.h file if source files on the | |
2600 | host use \r\n rather than just \n. Defining CRLF_SOURCE_FILES is | |
2601 | much faster than defining LSEEK_NOT_LINEAR. */ | |
2602 | ||
2603 | #ifndef O_BINARY | |
2604 | #define O_BINARY 0 | |
2605 | #endif | |
2606 | ||
2607 | #define OPEN_MODE (O_RDONLY | O_BINARY) | |
2608 | ||
2609 | #else /* ! defined (CRLF_SOURCE_FILES) */ | |
2610 | ||
2611 | #define OPEN_MODE O_RDONLY | |
2612 | ||
2613 | #endif /* ! defined (CRLF_SOURCE_FILES) */ | |
2614 | ||
2615 | /* Find the pathname to a file, searching the source_dir */ | |
2616 | /* we may actually need to use openp to find the the full pathname | |
2617 | so we don't have any "../" et al in it. */ | |
2618 | static int | |
2619 | gdb_find_file_command (clientData, interp, objc, objv) | |
2620 | ClientData clientData; | |
2621 | Tcl_Interp *interp; | |
2622 | int objc; | |
2623 | Tcl_Obj *CONST objv[]; | |
2624 | { | |
2625 | char *file, *filename; | |
2626 | char *p; | |
2627 | int found; | |
2628 | ||
2629 | if (objc != 2) | |
2630 | { | |
2631 | Tcl_AppendResult (interp, "wrong # of args: should be \"", | |
2632 | Tcl_GetStringFromObj (objv[0], NULL), | |
2633 | " filename\""); | |
2634 | return TCL_ERROR; | |
2635 | } | |
2636 | ||
2637 | /* try something simple first */ | |
2638 | file = Tcl_GetStringFromObj (objv[1], NULL); | |
2639 | if (access (file, R_OK) == 0) | |
2640 | { | |
2641 | Tcl_SetObjResult (interp, Tcl_NewStringObj (file, -1)); | |
2642 | return TCL_OK; | |
2643 | } | |
2644 | ||
2645 | /* Search the path -- do NOT search CWD first -- be consistent with source.c */ | |
2646 | found = openp (source_path, 0, file, OPEN_MODE, 0, &filename); | |
2647 | if (found < 0) | |
2648 | { | |
2649 | /* Did not work -- try just the base filename */ | |
2650 | p = basename (file); | |
2651 | if (p != file) | |
2652 | found = openp (source_path, 0, p, OPEN_MODE, 0, &filename); | |
2653 | } | |
2654 | ||
2655 | if (found >= 0) | |
2656 | { | |
2657 | Tcl_SetObjResult (interp, Tcl_NewStringObj (filename, -1)); | |
2658 | close (found); | |
2659 | } | |
2660 | else | |
2661 | Tcl_SetResult (interp, "", TCL_STATIC); | |
2662 | ||
2663 | return TCL_OK; | |
2664 | } | |
2665 | ||
3f37b696 | 2666 | /* Come here during initialize_all_files () */ |
754e5da2 SG |
2667 | |
2668 | void | |
2669 | _initialize_gdbtk () | |
2670 | { | |
c5197511 SG |
2671 | if (use_windows) |
2672 | { | |
2673 | /* Tell the rest of the world that Gdbtk is now set up. */ | |
754e5da2 | 2674 | |
c5197511 SG |
2675 | init_ui_hook = gdbtk_init; |
2676 | } | |
754e5da2 | 2677 | } |