Commit | Line | Data |
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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" | |
754e5da2 SG |
30 | #include <tcl.h> |
31 | #include <tk.h> | |
2476848a MH |
32 | #include <itcl.h> |
33 | #include <tix.h> | |
34 | ||
35 | #ifdef IDE | |
36 | #include "event.h" | |
37 | #include "idetcl.h" | |
38 | #endif | |
39 | ||
73d3dbd4 | 40 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
41 | #include <stdarg.h> |
42 | #else | |
cd2df226 | 43 | #include <varargs.h> |
85c613aa | 44 | #endif |
cd2df226 SG |
45 | #include <signal.h> |
46 | #include <fcntl.h> | |
8532893d | 47 | #include <unistd.h> |
86db943c SG |
48 | #include <setjmp.h> |
49 | #include "top.h" | |
736a82e7 | 50 | #include <sys/ioctl.h> |
2b576293 | 51 | #include "gdb_string.h" |
09722039 | 52 | #include "dis-asm.h" |
6131622e SG |
53 | #include <stdio.h> |
54 | #include "gdbcmd.h" | |
736a82e7 | 55 | |
8a19b35a | 56 | #ifndef WINNT |
736a82e7 | 57 | #ifndef FIOASYNC |
546b8ca7 SG |
58 | #include <sys/stropts.h> |
59 | #endif | |
8a19b35a MH |
60 | #endif |
61 | ||
62 | #ifdef WINNT | |
63 | #define GDBTK_PATH_SEP ";" | |
64 | #else | |
65 | #define GDBTK_PATH_SEP ":" | |
66 | #endif | |
754e5da2 | 67 | |
8b3f9ed6 | 68 | /* Some versions (1.3.79, 1.3.81) of Linux don't support SIOCSPGRP the way |
3f37b696 | 69 | gdbtk wants to use it... */ |
8b3f9ed6 MM |
70 | #ifdef __linux__ |
71 | #undef SIOCSPGRP | |
72 | #endif | |
73 | ||
b607efe7 FF |
74 | static void null_routine PARAMS ((int)); |
75 | static void gdbtk_flush PARAMS ((FILE *)); | |
76 | static void gdbtk_fputs PARAMS ((const char *, FILE *)); | |
77 | static int gdbtk_query PARAMS ((const char *, va_list)); | |
78 | static char *gdbtk_readline PARAMS ((char *)); | |
2476848a | 79 | static void gdbtk_init PARAMS ((char *)); |
b607efe7 FF |
80 | static void tk_command_loop PARAMS ((void)); |
81 | static void gdbtk_call_command PARAMS ((struct cmd_list_element *, char *, int)); | |
82 | static int gdbtk_wait PARAMS ((int, struct target_waitstatus *)); | |
83 | static void x_event PARAMS ((int)); | |
84 | static void gdbtk_interactive PARAMS ((void)); | |
85 | static void cleanup_init PARAMS ((int)); | |
86 | static void tk_command PARAMS ((char *, int)); | |
87 | static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
88 | static int compare_lines PARAMS ((const PTR, const PTR)); | |
89 | static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *)); | |
8a19b35a | 90 | static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
b607efe7 FF |
91 | static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
92 | static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
99c98415 | 93 | static int gdb_listfuncs PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
b607efe7 FF |
94 | static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
95 | static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, char *argv[])); | |
96 | static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
97 | static void gdbtk_readline_end PARAMS ((void)); | |
98 | static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
99 | static void register_changed_p PARAMS ((int, void *)); | |
100 | static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
101 | static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
102 | static void breakpoint_notify PARAMS ((struct breakpoint *, const char *)); | |
103 | static void gdbtk_create_breakpoint PARAMS ((struct breakpoint *)); | |
104 | static void gdbtk_delete_breakpoint PARAMS ((struct breakpoint *)); | |
105 | static void gdbtk_modify_breakpoint PARAMS ((struct breakpoint *)); | |
106 | static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
107 | static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
108 | static int gdb_sourcelines PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
109 | static int map_arg_registers PARAMS ((int, char *[], void (*) (int, void *), void *)); | |
110 | static void get_register_name PARAMS ((int, void *)); | |
111 | static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
112 | static void get_register PARAMS ((int, void *)); | |
113 | ||
754e5da2 | 114 | /* Handle for TCL interpreter */ |
fda6fadc | 115 | |
754e5da2 SG |
116 | static Tcl_Interp *interp = NULL; |
117 | ||
479f0f18 SG |
118 | static int x_fd; /* X network socket */ |
119 | ||
fda6fadc SS |
120 | /* This variable is true when the inferior is running. Although it's |
121 | possible to disable most input from widgets and thus prevent | |
122 | attempts to do anything while the inferior is running, any commands | |
123 | that get through - even a simple memory read - are Very Bad, and | |
124 | may cause GDB to crash or behave strangely. So, this variable | |
125 | provides an extra layer of defense. */ | |
09722039 | 126 | |
fda6fadc SS |
127 | static int running_now; |
128 | ||
129 | /* This variable determines where memory used for disassembly is read from. | |
130 | If > 0, then disassembly comes from the exec file rather than the | |
131 | target (which might be at the other end of a slow serial link). If | |
132 | == 0 then disassembly comes from target. If < 0 disassembly is | |
133 | automatically switched to the target if it's an inferior process, | |
134 | otherwise the exec file is used. */ | |
09722039 SG |
135 | |
136 | static int disassemble_from_exec = -1; | |
137 | ||
9b119644 ILT |
138 | #ifndef _WIN32 |
139 | ||
140 | /* Supply malloc calls for tcl/tk. We do not want to do this on | |
141 | Windows, because Tcl_Alloc is probably in a DLL which will not call | |
142 | the mmalloc routines. */ | |
8c19daa1 SG |
143 | |
144 | char * | |
a5a6e3bd | 145 | Tcl_Alloc (size) |
8c19daa1 SG |
146 | unsigned int size; |
147 | { | |
148 | return xmalloc (size); | |
149 | } | |
150 | ||
151 | char * | |
152 | Tcl_Realloc (ptr, size) | |
153 | char *ptr; | |
154 | unsigned int size; | |
155 | { | |
156 | return xrealloc (ptr, size); | |
157 | } | |
158 | ||
159 | void | |
160 | Tcl_Free(ptr) | |
161 | char *ptr; | |
162 | { | |
163 | free (ptr); | |
164 | } | |
165 | ||
9b119644 ILT |
166 | #endif /* _WIN32 */ |
167 | ||
754e5da2 SG |
168 | static void |
169 | null_routine(arg) | |
170 | int arg; | |
171 | { | |
172 | } | |
173 | ||
546b8ca7 SG |
174 | /* The following routines deal with stdout/stderr data, which is created by |
175 | {f}printf_{un}filtered and friends. gdbtk_fputs and gdbtk_flush are the | |
176 | lowest level of these routines and capture all output from the rest of GDB. | |
177 | Normally they present their data to tcl via callbacks to the following tcl | |
178 | routines: gdbtk_tcl_fputs, gdbtk_tcl_fputs_error, and gdbtk_flush. These | |
179 | in turn call tk routines to update the display. | |
86db943c | 180 | |
546b8ca7 SG |
181 | Under some circumstances, you may want to collect the output so that it can |
182 | be returned as the value of a tcl procedure. This can be done by | |
183 | surrounding the output routines with calls to start_saving_output and | |
184 | finish_saving_output. The saved data can then be retrieved with | |
185 | get_saved_output (but this must be done before the call to | |
186 | finish_saving_output). */ | |
86db943c | 187 | |
546b8ca7 | 188 | /* Dynamic string header for stdout. */ |
86db943c | 189 | |
6131622e | 190 | static Tcl_DString *result_ptr; |
754e5da2 | 191 | \f |
754e5da2 SG |
192 | static void |
193 | gdbtk_flush (stream) | |
194 | FILE *stream; | |
195 | { | |
6131622e | 196 | #if 0 |
86db943c SG |
197 | /* Force immediate screen update */ |
198 | ||
754e5da2 | 199 | Tcl_VarEval (interp, "gdbtk_tcl_flush", NULL); |
6131622e | 200 | #endif |
754e5da2 SG |
201 | } |
202 | ||
8532893d | 203 | static void |
86db943c | 204 | gdbtk_fputs (ptr, stream) |
8532893d | 205 | const char *ptr; |
86db943c | 206 | FILE *stream; |
8532893d | 207 | { |
6131622e | 208 | if (result_ptr) |
45f90c50 | 209 | Tcl_DStringAppend (result_ptr, (char *)ptr, -1); |
6131622e | 210 | else |
86db943c | 211 | { |
6131622e | 212 | Tcl_DString str; |
86db943c | 213 | |
6131622e | 214 | Tcl_DStringInit (&str); |
8532893d | 215 | |
6131622e | 216 | Tcl_DStringAppend (&str, "gdbtk_tcl_fputs", -1); |
45f90c50 | 217 | Tcl_DStringAppendElement (&str, (char *)ptr); |
8532893d | 218 | |
2476848a | 219 | Tcl_Eval (interp, Tcl_DStringValue (&str)); |
6131622e SG |
220 | Tcl_DStringFree (&str); |
221 | } | |
8532893d SG |
222 | } |
223 | ||
754e5da2 | 224 | static int |
85c613aa | 225 | gdbtk_query (query, args) |
b607efe7 | 226 | const char *query; |
754e5da2 SG |
227 | va_list args; |
228 | { | |
4e327047 TT |
229 | char buf[200], *merge[2]; |
230 | char *command; | |
754e5da2 SG |
231 | long val; |
232 | ||
6131622e | 233 | vsprintf (buf, query, args); |
4e327047 TT |
234 | merge[0] = "gdbtk_tcl_query"; |
235 | merge[1] = buf; | |
236 | command = Tcl_Merge (2, merge); | |
237 | Tcl_Eval (interp, command); | |
238 | free (command); | |
754e5da2 SG |
239 | |
240 | val = atol (interp->result); | |
241 | return val; | |
242 | } | |
41756e56 FF |
243 | |
244 | /* VARARGS */ | |
245 | static void | |
246 | #ifdef ANSI_PROTOTYPES | |
247 | gdbtk_readline_begin (char *format, ...) | |
248 | #else | |
249 | gdbtk_readline_begin (va_alist) | |
250 | va_dcl | |
251 | #endif | |
252 | { | |
253 | va_list args; | |
254 | char buf[200], *merge[2]; | |
255 | char *command; | |
256 | ||
257 | #ifdef ANSI_PROTOTYPES | |
258 | va_start (args, format); | |
259 | #else | |
260 | char *format; | |
261 | va_start (args); | |
262 | format = va_arg (args, char *); | |
263 | #endif | |
264 | ||
265 | vsprintf (buf, format, args); | |
266 | merge[0] = "gdbtk_tcl_readline_begin"; | |
267 | merge[1] = buf; | |
268 | command = Tcl_Merge (2, merge); | |
269 | Tcl_Eval (interp, command); | |
270 | free (command); | |
271 | } | |
272 | ||
273 | static char * | |
274 | gdbtk_readline (prompt) | |
275 | char *prompt; | |
276 | { | |
277 | char *merge[2]; | |
278 | char *command; | |
bd45f82f | 279 | int result; |
41756e56 FF |
280 | |
281 | merge[0] = "gdbtk_tcl_readline"; | |
282 | merge[1] = prompt; | |
283 | command = Tcl_Merge (2, merge); | |
bd45f82f TT |
284 | result = Tcl_Eval (interp, command); |
285 | free (command); | |
286 | if (result == TCL_OK) | |
41756e56 FF |
287 | { |
288 | return (strdup (interp -> result)); | |
289 | } | |
290 | else | |
291 | { | |
292 | gdbtk_fputs (interp -> result, gdb_stdout); | |
293 | gdbtk_fputs ("\n", gdb_stdout); | |
294 | return (NULL); | |
295 | } | |
296 | } | |
297 | ||
298 | static void | |
299 | gdbtk_readline_end () | |
300 | { | |
301 | Tcl_Eval (interp, "gdbtk_tcl_readline_end"); | |
302 | } | |
303 | ||
754e5da2 | 304 | \f |
6131622e | 305 | static void |
73d3dbd4 | 306 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
307 | dsprintf_append_element (Tcl_DString *dsp, char *format, ...) |
308 | #else | |
6131622e SG |
309 | dsprintf_append_element (va_alist) |
310 | va_dcl | |
85c613aa | 311 | #endif |
6131622e SG |
312 | { |
313 | va_list args; | |
85c613aa C |
314 | char buf[1024]; |
315 | ||
73d3dbd4 | 316 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
317 | va_start (args, format); |
318 | #else | |
6131622e SG |
319 | Tcl_DString *dsp; |
320 | char *format; | |
6131622e SG |
321 | |
322 | va_start (args); | |
6131622e SG |
323 | dsp = va_arg (args, Tcl_DString *); |
324 | format = va_arg (args, char *); | |
85c613aa | 325 | #endif |
6131622e SG |
326 | |
327 | vsprintf (buf, format, args); | |
328 | ||
329 | Tcl_DStringAppendElement (dsp, buf); | |
330 | } | |
331 | ||
8a19b35a MH |
332 | static int |
333 | gdb_path_conv (clientData, interp, argc, argv) | |
334 | ClientData clientData; | |
335 | Tcl_Interp *interp; | |
336 | int argc; | |
337 | char *argv[]; | |
338 | { | |
339 | #ifdef WINNT | |
340 | char pathname[256], *ptr; | |
341 | if (argc != 2) | |
342 | error ("wrong # args"); | |
343 | cygwin32_conv_to_full_win32_path (argv[1], pathname); | |
344 | for (ptr = pathname; *ptr; ptr++) | |
345 | { | |
346 | if (*ptr == '\\') | |
347 | *ptr = '/'; | |
348 | } | |
349 | #else | |
350 | char *pathname = argv[1]; | |
351 | #endif | |
352 | Tcl_DStringAppend (result_ptr, pathname, strlen(pathname)); | |
353 | return TCL_OK; | |
354 | } | |
355 | ||
6131622e SG |
356 | static int |
357 | gdb_get_breakpoint_list (clientData, interp, argc, argv) | |
358 | ClientData clientData; | |
359 | Tcl_Interp *interp; | |
360 | int argc; | |
361 | char *argv[]; | |
362 | { | |
363 | struct breakpoint *b; | |
364 | extern struct breakpoint *breakpoint_chain; | |
365 | ||
366 | if (argc != 1) | |
367 | error ("wrong # args"); | |
368 | ||
369 | for (b = breakpoint_chain; b; b = b->next) | |
370 | if (b->type == bp_breakpoint) | |
371 | dsprintf_append_element (result_ptr, "%d", b->number); | |
372 | ||
373 | return TCL_OK; | |
374 | } | |
375 | ||
376 | static int | |
377 | gdb_get_breakpoint_info (clientData, interp, argc, argv) | |
378 | ClientData clientData; | |
379 | Tcl_Interp *interp; | |
380 | int argc; | |
381 | char *argv[]; | |
382 | { | |
383 | struct symtab_and_line sal; | |
384 | static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", | |
385 | "finish", "watchpoint", "hardware watchpoint", | |
386 | "read watchpoint", "access watchpoint", | |
387 | "longjmp", "longjmp resume", "step resume", | |
388 | "through sigtramp", "watchpoint scope", | |
389 | "call dummy" }; | |
27f1958c | 390 | static char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"}; |
6131622e SG |
391 | struct command_line *cmd; |
392 | int bpnum; | |
393 | struct breakpoint *b; | |
394 | extern struct breakpoint *breakpoint_chain; | |
395 | ||
396 | if (argc != 2) | |
397 | error ("wrong # args"); | |
398 | ||
399 | bpnum = atoi (argv[1]); | |
400 | ||
401 | for (b = breakpoint_chain; b; b = b->next) | |
402 | if (b->number == bpnum) | |
403 | break; | |
404 | ||
9468f8aa | 405 | if (!b || b->type != bp_breakpoint) |
6131622e SG |
406 | error ("Breakpoint #%d does not exist", bpnum); |
407 | ||
6131622e SG |
408 | sal = find_pc_line (b->address, 0); |
409 | ||
410 | Tcl_DStringAppendElement (result_ptr, symtab_to_filename (sal.symtab)); | |
411 | dsprintf_append_element (result_ptr, "%d", sal.line); | |
412 | dsprintf_append_element (result_ptr, "0x%lx", b->address); | |
413 | Tcl_DStringAppendElement (result_ptr, bptypes[b->type]); | |
414 | Tcl_DStringAppendElement (result_ptr, b->enable == enabled ? "1" : "0"); | |
415 | Tcl_DStringAppendElement (result_ptr, bpdisp[b->disposition]); | |
416 | dsprintf_append_element (result_ptr, "%d", b->silent); | |
417 | dsprintf_append_element (result_ptr, "%d", b->ignore_count); | |
418 | ||
419 | Tcl_DStringStartSublist (result_ptr); | |
420 | for (cmd = b->commands; cmd; cmd = cmd->next) | |
421 | Tcl_DStringAppendElement (result_ptr, cmd->line); | |
422 | Tcl_DStringEndSublist (result_ptr); | |
423 | ||
424 | Tcl_DStringAppendElement (result_ptr, b->cond_string); | |
425 | ||
426 | dsprintf_append_element (result_ptr, "%d", b->thread); | |
427 | dsprintf_append_element (result_ptr, "%d", b->hit_count); | |
428 | ||
429 | return TCL_OK; | |
430 | } | |
431 | ||
754e5da2 SG |
432 | static void |
433 | breakpoint_notify(b, action) | |
434 | struct breakpoint *b; | |
435 | const char *action; | |
436 | { | |
32707df8 | 437 | char buf[256]; |
754e5da2 | 438 | int v; |
2476848a | 439 | struct symtab_and_line sal; |
754e5da2 SG |
440 | |
441 | if (b->type != bp_breakpoint) | |
442 | return; | |
443 | ||
4e327047 TT |
444 | /* We ensure that ACTION contains no special Tcl characters, so we |
445 | can do this. */ | |
2476848a MH |
446 | sal = find_pc_line (b->address, 0); |
447 | sprintf (buf, "gdbtk_tcl_breakpoint %s %d 0x%lx %d {%s}", action, b->number, | |
448 | (long)b->address, sal.line, symtab_to_filename (sal.symtab)); | |
754e5da2 | 449 | |
6131622e | 450 | v = Tcl_Eval (interp, buf); |
754e5da2 SG |
451 | |
452 | if (v != TCL_OK) | |
453 | { | |
546b8ca7 SG |
454 | gdbtk_fputs (interp->result, gdb_stdout); |
455 | gdbtk_fputs ("\n", gdb_stdout); | |
754e5da2 | 456 | } |
754e5da2 SG |
457 | } |
458 | ||
459 | static void | |
460 | gdbtk_create_breakpoint(b) | |
461 | struct breakpoint *b; | |
462 | { | |
6131622e | 463 | breakpoint_notify (b, "create"); |
754e5da2 SG |
464 | } |
465 | ||
466 | static void | |
467 | gdbtk_delete_breakpoint(b) | |
468 | struct breakpoint *b; | |
469 | { | |
6131622e | 470 | breakpoint_notify (b, "delete"); |
754e5da2 SG |
471 | } |
472 | ||
473 | static void | |
6131622e | 474 | gdbtk_modify_breakpoint(b) |
754e5da2 SG |
475 | struct breakpoint *b; |
476 | { | |
6131622e | 477 | breakpoint_notify (b, "modify"); |
754e5da2 SG |
478 | } |
479 | \f | |
480 | /* This implements the TCL command `gdb_loc', which returns a list consisting | |
481 | of the source and line number associated with the current pc. */ | |
482 | ||
483 | static int | |
484 | gdb_loc (clientData, interp, argc, argv) | |
485 | ClientData clientData; | |
486 | Tcl_Interp *interp; | |
487 | int argc; | |
488 | char *argv[]; | |
489 | { | |
490 | char *filename; | |
754e5da2 SG |
491 | struct symtab_and_line sal; |
492 | char *funcname; | |
8532893d | 493 | CORE_ADDR pc; |
754e5da2 SG |
494 | |
495 | if (argc == 1) | |
496 | { | |
1dfc8dfb | 497 | pc = selected_frame ? selected_frame->pc : stop_pc; |
754e5da2 SG |
498 | sal = find_pc_line (pc, 0); |
499 | } | |
500 | else if (argc == 2) | |
501 | { | |
754e5da2 | 502 | struct symtabs_and_lines sals; |
8532893d | 503 | int nelts; |
754e5da2 SG |
504 | |
505 | sals = decode_line_spec (argv[1], 1); | |
506 | ||
8532893d SG |
507 | nelts = sals.nelts; |
508 | sal = sals.sals[0]; | |
509 | free (sals.sals); | |
510 | ||
754e5da2 | 511 | if (sals.nelts != 1) |
6131622e | 512 | error ("Ambiguous line spec"); |
754e5da2 | 513 | |
8532893d | 514 | pc = sal.pc; |
754e5da2 SG |
515 | } |
516 | else | |
6131622e | 517 | error ("wrong # args"); |
754e5da2 | 518 | |
754e5da2 | 519 | if (sal.symtab) |
6131622e | 520 | Tcl_DStringAppendElement (result_ptr, sal.symtab->filename); |
754e5da2 | 521 | else |
6131622e | 522 | Tcl_DStringAppendElement (result_ptr, ""); |
8532893d SG |
523 | |
524 | find_pc_partial_function (pc, &funcname, NULL, NULL); | |
6131622e | 525 | Tcl_DStringAppendElement (result_ptr, funcname); |
8532893d | 526 | |
637b1661 | 527 | filename = symtab_to_filename (sal.symtab); |
6131622e | 528 | Tcl_DStringAppendElement (result_ptr, filename); |
8532893d | 529 | |
9468f8aa | 530 | dsprintf_append_element (result_ptr, "%d", sal.line); /* line number */ |
754e5da2 | 531 | |
2476848a MH |
532 | dsprintf_append_element (result_ptr, "0x%s", paddr_nz(pc)); /* PC in current frame */ |
533 | ||
534 | dsprintf_append_element (result_ptr, "0x%s", paddr_nz(stop_pc)); /* Real PC */ | |
8532893d | 535 | |
754e5da2 SG |
536 | return TCL_OK; |
537 | } | |
538 | \f | |
09722039 SG |
539 | /* This implements the TCL command `gdb_eval'. */ |
540 | ||
541 | static int | |
542 | gdb_eval (clientData, interp, argc, argv) | |
543 | ClientData clientData; | |
544 | Tcl_Interp *interp; | |
545 | int argc; | |
546 | char *argv[]; | |
547 | { | |
548 | struct expression *expr; | |
549 | struct cleanup *old_chain; | |
550 | value_ptr val; | |
551 | ||
552 | if (argc != 2) | |
6131622e | 553 | error ("wrong # args"); |
09722039 SG |
554 | |
555 | expr = parse_expression (argv[1]); | |
556 | ||
557 | old_chain = make_cleanup (free_current_contents, &expr); | |
558 | ||
559 | val = evaluate_expression (expr); | |
560 | ||
09722039 SG |
561 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), |
562 | gdb_stdout, 0, 0, 0, 0); | |
09722039 SG |
563 | |
564 | do_cleanups (old_chain); | |
565 | ||
566 | return TCL_OK; | |
567 | } | |
568 | \f | |
5b21fb68 SG |
569 | /* This implements the TCL command `gdb_sourcelines', which returns a list of |
570 | all of the lines containing executable code for the specified source file | |
571 | (ie: lines where you can put breakpoints). */ | |
572 | ||
573 | static int | |
574 | gdb_sourcelines (clientData, interp, argc, argv) | |
575 | ClientData clientData; | |
576 | Tcl_Interp *interp; | |
577 | int argc; | |
578 | char *argv[]; | |
579 | { | |
580 | struct symtab *symtab; | |
581 | struct linetable_entry *le; | |
582 | int nlines; | |
5b21fb68 SG |
583 | |
584 | if (argc != 2) | |
6131622e | 585 | error ("wrong # args"); |
5b21fb68 SG |
586 | |
587 | symtab = lookup_symtab (argv[1]); | |
588 | ||
589 | if (!symtab) | |
6131622e | 590 | error ("No such file"); |
5b21fb68 SG |
591 | |
592 | /* If there's no linetable, or no entries, then we are done. */ | |
593 | ||
594 | if (!symtab->linetable | |
595 | || symtab->linetable->nitems == 0) | |
596 | { | |
6131622e | 597 | Tcl_DStringAppendElement (result_ptr, ""); |
5b21fb68 SG |
598 | return TCL_OK; |
599 | } | |
600 | ||
601 | le = symtab->linetable->item; | |
602 | nlines = symtab->linetable->nitems; | |
603 | ||
604 | for (;nlines > 0; nlines--, le++) | |
605 | { | |
606 | /* If the pc of this line is the same as the pc of the next line, then | |
607 | just skip it. */ | |
608 | if (nlines > 1 | |
609 | && le->pc == (le + 1)->pc) | |
610 | continue; | |
611 | ||
9468f8aa | 612 | dsprintf_append_element (result_ptr, "%d", le->line); |
5b21fb68 SG |
613 | } |
614 | ||
615 | return TCL_OK; | |
616 | } | |
617 | \f | |
746d1df4 SG |
618 | static int |
619 | map_arg_registers (argc, argv, func, argp) | |
620 | int argc; | |
621 | char *argv[]; | |
6131622e | 622 | void (*func) PARAMS ((int regnum, void *argp)); |
746d1df4 SG |
623 | void *argp; |
624 | { | |
625 | int regnum; | |
626 | ||
627 | /* Note that the test for a valid register must include checking the | |
628 | reg_names array because NUM_REGS may be allocated for the union of the | |
629 | register sets within a family of related processors. In this case, the | |
630 | trailing entries of reg_names will change depending upon the particular | |
631 | processor being debugged. */ | |
632 | ||
633 | if (argc == 0) /* No args, just do all the regs */ | |
634 | { | |
635 | for (regnum = 0; | |
636 | regnum < NUM_REGS | |
637 | && reg_names[regnum] != NULL | |
638 | && *reg_names[regnum] != '\000'; | |
639 | regnum++) | |
640 | func (regnum, argp); | |
641 | ||
642 | return TCL_OK; | |
643 | } | |
644 | ||
645 | /* Else, list of register #s, just do listed regs */ | |
646 | for (; argc > 0; argc--, argv++) | |
647 | { | |
648 | regnum = atoi (*argv); | |
649 | ||
650 | if (regnum >= 0 | |
651 | && regnum < NUM_REGS | |
652 | && reg_names[regnum] != NULL | |
653 | && *reg_names[regnum] != '\000') | |
654 | func (regnum, argp); | |
655 | else | |
6131622e | 656 | error ("bad register number"); |
746d1df4 SG |
657 | } |
658 | ||
659 | return TCL_OK; | |
660 | } | |
661 | ||
6131622e | 662 | static void |
746d1df4 SG |
663 | get_register_name (regnum, argp) |
664 | int regnum; | |
665 | void *argp; /* Ignored */ | |
666 | { | |
6131622e | 667 | Tcl_DStringAppendElement (result_ptr, reg_names[regnum]); |
746d1df4 SG |
668 | } |
669 | ||
5b21fb68 SG |
670 | /* This implements the TCL command `gdb_regnames', which returns a list of |
671 | all of the register names. */ | |
672 | ||
673 | static int | |
674 | gdb_regnames (clientData, interp, argc, argv) | |
675 | ClientData clientData; | |
676 | Tcl_Interp *interp; | |
677 | int argc; | |
678 | char *argv[]; | |
679 | { | |
746d1df4 SG |
680 | argc--; |
681 | argv++; | |
682 | ||
b607efe7 | 683 | return map_arg_registers (argc, argv, get_register_name, NULL); |
746d1df4 SG |
684 | } |
685 | ||
746d1df4 SG |
686 | #ifndef REGISTER_CONVERTIBLE |
687 | #define REGISTER_CONVERTIBLE(x) (0 != 0) | |
688 | #endif | |
689 | ||
690 | #ifndef REGISTER_CONVERT_TO_VIRTUAL | |
691 | #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) | |
692 | #endif | |
693 | ||
694 | #ifndef INVALID_FLOAT | |
695 | #define INVALID_FLOAT(x, y) (0 != 0) | |
696 | #endif | |
697 | ||
6131622e | 698 | static void |
746d1df4 | 699 | get_register (regnum, fp) |
6131622e | 700 | int regnum; |
746d1df4 SG |
701 | void *fp; |
702 | { | |
703 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
704 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
705 | int format = (int)fp; | |
706 | ||
707 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
708 | { | |
6131622e | 709 | Tcl_DStringAppendElement (result_ptr, "Optimized out"); |
746d1df4 SG |
710 | return; |
711 | } | |
712 | ||
746d1df4 SG |
713 | /* Convert raw data to virtual format if necessary. */ |
714 | ||
715 | if (REGISTER_CONVERTIBLE (regnum)) | |
716 | { | |
717 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
718 | raw_buffer, virtual_buffer); | |
719 | } | |
720 | else | |
721 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
722 | ||
3d9f68c0 FF |
723 | if (format == 'r') |
724 | { | |
725 | int j; | |
726 | printf_filtered ("0x"); | |
727 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) | |
728 | { | |
729 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j | |
730 | : REGISTER_RAW_SIZE (regnum) - 1 - j; | |
731 | printf_filtered ("%02x", (unsigned char)raw_buffer[idx]); | |
732 | } | |
733 | } | |
734 | else | |
735 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, | |
736 | gdb_stdout, format, 1, 0, Val_pretty_default); | |
746d1df4 | 737 | |
6131622e | 738 | Tcl_DStringAppend (result_ptr, " ", -1); |
746d1df4 SG |
739 | } |
740 | ||
741 | static int | |
742 | gdb_fetch_registers (clientData, interp, argc, argv) | |
743 | ClientData clientData; | |
744 | Tcl_Interp *interp; | |
745 | int argc; | |
746 | char *argv[]; | |
747 | { | |
748 | int format; | |
749 | ||
750 | if (argc < 2) | |
6131622e | 751 | error ("wrong # args"); |
5b21fb68 | 752 | |
746d1df4 SG |
753 | argc--; |
754 | argv++; | |
5b21fb68 | 755 | |
746d1df4 SG |
756 | argc--; |
757 | format = **argv++; | |
758 | ||
b607efe7 | 759 | return map_arg_registers (argc, argv, get_register, (void *) format); |
746d1df4 SG |
760 | } |
761 | ||
762 | /* This contains the previous values of the registers, since the last call to | |
763 | gdb_changed_register_list. */ | |
764 | ||
765 | static char old_regs[REGISTER_BYTES]; | |
766 | ||
6131622e | 767 | static void |
746d1df4 | 768 | register_changed_p (regnum, argp) |
6131622e | 769 | int regnum; |
746d1df4 SG |
770 | void *argp; /* Ignored */ |
771 | { | |
772 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
746d1df4 SG |
773 | |
774 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
775 | return; | |
776 | ||
777 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
778 | REGISTER_RAW_SIZE (regnum)) == 0) | |
779 | return; | |
780 | ||
fda6fadc | 781 | /* Found a changed register. Save new value and return its number. */ |
746d1df4 SG |
782 | |
783 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
784 | REGISTER_RAW_SIZE (regnum)); | |
785 | ||
9468f8aa | 786 | dsprintf_append_element (result_ptr, "%d", regnum); |
746d1df4 SG |
787 | } |
788 | ||
789 | static int | |
790 | gdb_changed_register_list (clientData, interp, argc, argv) | |
791 | ClientData clientData; | |
792 | Tcl_Interp *interp; | |
793 | int argc; | |
794 | char *argv[]; | |
795 | { | |
746d1df4 SG |
796 | argc--; |
797 | argv++; | |
798 | ||
799 | return map_arg_registers (argc, argv, register_changed_p, NULL); | |
5b21fb68 SG |
800 | } |
801 | \f | |
fda6fadc | 802 | /* This implements the TCL command `gdb_cmd', which sends its argument into |
754e5da2 SG |
803 | the GDB command scanner. */ |
804 | ||
805 | static int | |
806 | gdb_cmd (clientData, interp, argc, argv) | |
807 | ClientData clientData; | |
808 | Tcl_Interp *interp; | |
809 | int argc; | |
810 | char *argv[]; | |
811 | { | |
754e5da2 | 812 | if (argc != 2) |
6131622e | 813 | error ("wrong # args"); |
754e5da2 | 814 | |
fda6fadc SS |
815 | if (running_now) |
816 | return TCL_OK; | |
817 | ||
86db943c | 818 | execute_command (argv[1], 1); |
479f0f18 | 819 | |
754e5da2 | 820 | bpstat_do_actions (&stop_bpstat); |
754e5da2 | 821 | |
754e5da2 SG |
822 | return TCL_OK; |
823 | } | |
824 | ||
c14cabba AC |
825 | /* Client of call_wrapper - this routine performs the actual call to |
826 | the client function. */ | |
827 | ||
828 | struct wrapped_call_args | |
829 | { | |
830 | Tcl_Interp *interp; | |
831 | Tcl_CmdProc *func; | |
832 | int argc; | |
833 | char **argv; | |
834 | int val; | |
835 | }; | |
836 | ||
837 | static int | |
838 | wrapped_call (args) | |
839 | struct wrapped_call_args *args; | |
840 | { | |
841 | args->val = (*args->func) (args->func, args->interp, args->argc, args->argv); | |
842 | return 1; | |
843 | } | |
844 | ||
86db943c SG |
845 | /* This routine acts as a top-level for all GDB code called by tcl/Tk. It |
846 | handles cleanups, and calls to return_to_top_level (usually via error). | |
847 | This is necessary in order to prevent a longjmp out of the bowels of Tk, | |
848 | possibly leaving things in a bad state. Since this routine can be called | |
849 | recursively, it needs to save and restore the contents of the jmp_buf as | |
850 | necessary. */ | |
851 | ||
852 | static int | |
853 | call_wrapper (clientData, interp, argc, argv) | |
854 | ClientData clientData; | |
855 | Tcl_Interp *interp; | |
856 | int argc; | |
857 | char *argv[]; | |
858 | { | |
c14cabba | 859 | struct wrapped_call_args wrapped_args; |
6131622e SG |
860 | Tcl_DString result, *old_result_ptr; |
861 | ||
862 | Tcl_DStringInit (&result); | |
863 | old_result_ptr = result_ptr; | |
864 | result_ptr = &result; | |
86db943c | 865 | |
c14cabba AC |
866 | wrapped_args.func = (Tcl_CmdProc *)clientData; |
867 | wrapped_args.interp = interp; | |
868 | wrapped_args.argc = argc; | |
869 | wrapped_args.argv = argv; | |
870 | wrapped_args.val = 0; | |
86db943c | 871 | |
c14cabba | 872 | if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL)) |
86db943c | 873 | { |
c14cabba | 874 | wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */ |
86db943c | 875 | |
86db943c SG |
876 | gdb_flush (gdb_stderr); /* Flush error output */ |
877 | ||
09722039 SG |
878 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
879 | ||
fda6fadc SS |
880 | /* In case of an error, we may need to force the GUI into idle |
881 | mode because gdbtk_call_command may have bombed out while in | |
882 | the command routine. */ | |
86db943c | 883 | |
40dffa42 | 884 | running_now = 0; |
4e327047 | 885 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
86db943c SG |
886 | } |
887 | ||
6131622e SG |
888 | Tcl_DStringResult (interp, &result); |
889 | result_ptr = old_result_ptr; | |
890 | ||
c14cabba | 891 | return wrapped_args.val; |
86db943c SG |
892 | } |
893 | ||
754e5da2 SG |
894 | static int |
895 | gdb_listfiles (clientData, interp, argc, argv) | |
896 | ClientData clientData; | |
897 | Tcl_Interp *interp; | |
898 | int argc; | |
899 | char *argv[]; | |
900 | { | |
754e5da2 SG |
901 | struct objfile *objfile; |
902 | struct partial_symtab *psymtab; | |
546b8ca7 | 903 | struct symtab *symtab; |
754e5da2 SG |
904 | |
905 | ALL_PSYMTABS (objfile, psymtab) | |
6131622e | 906 | Tcl_DStringAppendElement (result_ptr, psymtab->filename); |
754e5da2 | 907 | |
546b8ca7 | 908 | ALL_SYMTABS (objfile, symtab) |
6131622e | 909 | Tcl_DStringAppendElement (result_ptr, symtab->filename); |
546b8ca7 | 910 | |
754e5da2 SG |
911 | return TCL_OK; |
912 | } | |
479f0f18 | 913 | |
99c98415 MH |
914 | static int |
915 | gdb_listfuncs (clientData, interp, argc, argv) | |
916 | ClientData clientData; | |
917 | Tcl_Interp *interp; | |
918 | int argc; | |
919 | char *argv[]; | |
920 | { | |
921 | struct symtab *symtab; | |
922 | struct blockvector *bv; | |
923 | struct block *b; | |
924 | struct symbol *sym; | |
925 | int i,j; | |
926 | ||
927 | if (argc != 2) | |
928 | error ("wrong # args"); | |
929 | ||
930 | symtab = lookup_symtab (argv[1]); | |
931 | ||
932 | if (!symtab) | |
933 | error ("No such file"); | |
934 | ||
935 | bv = BLOCKVECTOR (symtab); | |
936 | for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++) | |
937 | { | |
938 | b = BLOCKVECTOR_BLOCK (bv, i); | |
939 | /* Skip the sort if this block is always sorted. */ | |
940 | if (!BLOCK_SHOULD_SORT (b)) | |
941 | sort_block_syms (b); | |
942 | for (j = 0; j < BLOCK_NSYMS (b); j++) | |
943 | { | |
944 | sym = BLOCK_SYM (b, j); | |
945 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) | |
946 | { | |
947 | Tcl_DStringAppendElement (result_ptr, SYMBOL_NAME(sym)); | |
948 | } | |
949 | } | |
950 | } | |
951 | return TCL_OK; | |
952 | } | |
953 | ||
479f0f18 SG |
954 | static int |
955 | gdb_stop (clientData, interp, argc, argv) | |
956 | ClientData clientData; | |
957 | Tcl_Interp *interp; | |
958 | int argc; | |
959 | char *argv[]; | |
960 | { | |
c14cabba AC |
961 | if (target_stop) |
962 | target_stop (); | |
963 | else | |
964 | quit_flag = 1; /* hope something sees this */ | |
546b8ca7 SG |
965 | |
966 | return TCL_OK; | |
479f0f18 | 967 | } |
09722039 SG |
968 | \f |
969 | /* This implements the TCL command `gdb_disassemble'. */ | |
479f0f18 | 970 | |
09722039 SG |
971 | static int |
972 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) | |
973 | bfd_vma memaddr; | |
974 | bfd_byte *myaddr; | |
975 | int len; | |
976 | disassemble_info *info; | |
977 | { | |
978 | extern struct target_ops exec_ops; | |
979 | int res; | |
980 | ||
981 | errno = 0; | |
982 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); | |
983 | ||
984 | if (res == len) | |
985 | return 0; | |
986 | else | |
987 | if (errno == 0) | |
988 | return EIO; | |
989 | else | |
990 | return errno; | |
991 | } | |
992 | ||
993 | /* We need a different sort of line table from the normal one cuz we can't | |
994 | depend upon implicit line-end pc's for lines. This is because of the | |
995 | reordering we are about to do. */ | |
996 | ||
997 | struct my_line_entry { | |
998 | int line; | |
999 | CORE_ADDR start_pc; | |
1000 | CORE_ADDR end_pc; | |
1001 | }; | |
1002 | ||
1003 | static int | |
1004 | compare_lines (mle1p, mle2p) | |
1005 | const PTR mle1p; | |
1006 | const PTR mle2p; | |
1007 | { | |
1008 | struct my_line_entry *mle1, *mle2; | |
1009 | int val; | |
1010 | ||
1011 | mle1 = (struct my_line_entry *) mle1p; | |
1012 | mle2 = (struct my_line_entry *) mle2p; | |
1013 | ||
1014 | val = mle1->line - mle2->line; | |
1015 | ||
1016 | if (val != 0) | |
1017 | return val; | |
1018 | ||
1019 | return mle1->start_pc - mle2->start_pc; | |
1020 | } | |
1021 | ||
1022 | static int | |
1023 | gdb_disassemble (clientData, interp, argc, argv) | |
1024 | ClientData clientData; | |
1025 | Tcl_Interp *interp; | |
1026 | int argc; | |
1027 | char *argv[]; | |
1028 | { | |
1029 | CORE_ADDR pc, low, high; | |
1030 | int mixed_source_and_assembly; | |
fc941258 DE |
1031 | static disassemble_info di; |
1032 | static int di_initialized; | |
1033 | ||
1034 | if (! di_initialized) | |
1035 | { | |
91550191 SG |
1036 | INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout, |
1037 | (fprintf_ftype) fprintf_unfiltered); | |
caeec767 | 1038 | di.flavour = bfd_target_unknown_flavour; |
fc941258 DE |
1039 | di.memory_error_func = dis_asm_memory_error; |
1040 | di.print_address_func = dis_asm_print_address; | |
1041 | di_initialized = 1; | |
1042 | } | |
09722039 | 1043 | |
91550191 SG |
1044 | di.mach = tm_print_insn_info.mach; |
1045 | if (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
e4bb9027 | 1046 | di.endian = BFD_ENDIAN_BIG; |
91550191 | 1047 | else |
e4bb9027 | 1048 | di.endian = BFD_ENDIAN_LITTLE; |
91550191 | 1049 | |
09722039 | 1050 | if (argc != 3 && argc != 4) |
6131622e | 1051 | error ("wrong # args"); |
09722039 SG |
1052 | |
1053 | if (strcmp (argv[1], "source") == 0) | |
1054 | mixed_source_and_assembly = 1; | |
1055 | else if (strcmp (argv[1], "nosource") == 0) | |
1056 | mixed_source_and_assembly = 0; | |
1057 | else | |
6131622e | 1058 | error ("First arg must be 'source' or 'nosource'"); |
09722039 SG |
1059 | |
1060 | low = parse_and_eval_address (argv[2]); | |
1061 | ||
1062 | if (argc == 3) | |
1063 | { | |
1064 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) | |
6131622e | 1065 | error ("No function contains specified address"); |
09722039 SG |
1066 | } |
1067 | else | |
1068 | high = parse_and_eval_address (argv[3]); | |
1069 | ||
1070 | /* If disassemble_from_exec == -1, then we use the following heuristic to | |
1071 | determine whether or not to do disassembly from target memory or from the | |
1072 | exec file: | |
1073 | ||
1074 | If we're debugging a local process, read target memory, instead of the | |
1075 | exec file. This makes disassembly of functions in shared libs work | |
1076 | correctly. | |
1077 | ||
1078 | Else, we're debugging a remote process, and should disassemble from the | |
fda6fadc | 1079 | exec file for speed. However, this is no good if the target modifies its |
09722039 SG |
1080 | code (for relocation, or whatever). |
1081 | */ | |
1082 | ||
1083 | if (disassemble_from_exec == -1) | |
1084 | if (strcmp (target_shortname, "child") == 0 | |
d7c4766c SS |
1085 | || strcmp (target_shortname, "procfs") == 0 |
1086 | || strcmp (target_shortname, "vxprocess") == 0) | |
09722039 SG |
1087 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
1088 | else | |
1089 | disassemble_from_exec = 1; /* It's remote, read the exec file */ | |
1090 | ||
1091 | if (disassemble_from_exec) | |
a76ef70a SG |
1092 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
1093 | else | |
1094 | di.read_memory_func = dis_asm_read_memory; | |
09722039 SG |
1095 | |
1096 | /* If just doing straight assembly, all we need to do is disassemble | |
1097 | everything between low and high. If doing mixed source/assembly, we've | |
1098 | got a totally different path to follow. */ | |
1099 | ||
1100 | if (mixed_source_and_assembly) | |
1101 | { /* Come here for mixed source/assembly */ | |
1102 | /* The idea here is to present a source-O-centric view of a function to | |
1103 | the user. This means that things are presented in source order, with | |
1104 | (possibly) out of order assembly immediately following. */ | |
1105 | struct symtab *symtab; | |
1106 | struct linetable_entry *le; | |
1107 | int nlines; | |
c81a3fa9 | 1108 | int newlines; |
09722039 SG |
1109 | struct my_line_entry *mle; |
1110 | struct symtab_and_line sal; | |
1111 | int i; | |
1112 | int out_of_order; | |
c81a3fa9 | 1113 | int next_line; |
09722039 SG |
1114 | |
1115 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ | |
1116 | ||
1117 | if (!symtab) | |
1118 | goto assembly_only; | |
1119 | ||
1120 | /* First, convert the linetable to a bunch of my_line_entry's. */ | |
1121 | ||
1122 | le = symtab->linetable->item; | |
1123 | nlines = symtab->linetable->nitems; | |
1124 | ||
1125 | if (nlines <= 0) | |
1126 | goto assembly_only; | |
1127 | ||
1128 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); | |
1129 | ||
1130 | out_of_order = 0; | |
1131 | ||
c81a3fa9 SG |
1132 | /* Copy linetable entries for this function into our data structure, creating |
1133 | end_pc's and setting out_of_order as appropriate. */ | |
1134 | ||
1135 | /* First, skip all the preceding functions. */ | |
1136 | ||
1137 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; | |
1138 | ||
1139 | /* Now, copy all entries before the end of this function. */ | |
1140 | ||
1141 | newlines = 0; | |
1142 | for (; i < nlines - 1 && le[i].pc < high; i++) | |
09722039 | 1143 | { |
c81a3fa9 SG |
1144 | if (le[i].line == le[i + 1].line |
1145 | && le[i].pc == le[i + 1].pc) | |
1146 | continue; /* Ignore duplicates */ | |
1147 | ||
1148 | mle[newlines].line = le[i].line; | |
09722039 SG |
1149 | if (le[i].line > le[i + 1].line) |
1150 | out_of_order = 1; | |
c81a3fa9 SG |
1151 | mle[newlines].start_pc = le[i].pc; |
1152 | mle[newlines].end_pc = le[i + 1].pc; | |
1153 | newlines++; | |
09722039 SG |
1154 | } |
1155 | ||
c81a3fa9 SG |
1156 | /* If we're on the last line, and it's part of the function, then we need to |
1157 | get the end pc in a special way. */ | |
1158 | ||
1159 | if (i == nlines - 1 | |
1160 | && le[i].pc < high) | |
1161 | { | |
1162 | mle[newlines].line = le[i].line; | |
1163 | mle[newlines].start_pc = le[i].pc; | |
1164 | sal = find_pc_line (le[i].pc, 0); | |
1165 | mle[newlines].end_pc = sal.end; | |
1166 | newlines++; | |
1167 | } | |
09722039 SG |
1168 | |
1169 | /* Now, sort mle by line #s (and, then by addresses within lines). */ | |
1170 | ||
1171 | if (out_of_order) | |
c81a3fa9 | 1172 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
09722039 SG |
1173 | |
1174 | /* Now, for each line entry, emit the specified lines (unless they have been | |
1175 | emitted before), followed by the assembly code for that line. */ | |
1176 | ||
c81a3fa9 SG |
1177 | next_line = 0; /* Force out first line */ |
1178 | for (i = 0; i < newlines; i++) | |
09722039 | 1179 | { |
c81a3fa9 SG |
1180 | /* Print out everything from next_line to the current line. */ |
1181 | ||
1182 | if (mle[i].line >= next_line) | |
09722039 | 1183 | { |
c81a3fa9 SG |
1184 | if (next_line != 0) |
1185 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); | |
09722039 | 1186 | else |
c81a3fa9 SG |
1187 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
1188 | ||
1189 | next_line = mle[i].line + 1; | |
09722039 | 1190 | } |
c81a3fa9 | 1191 | |
09722039 SG |
1192 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
1193 | { | |
1194 | QUIT; | |
1195 | fputs_unfiltered (" ", gdb_stdout); | |
1196 | print_address (pc, gdb_stdout); | |
1197 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1198 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1199 | fputs_unfiltered ("\n", gdb_stdout); |
1200 | } | |
1201 | } | |
1202 | } | |
1203 | else | |
1204 | { | |
1205 | assembly_only: | |
1206 | for (pc = low; pc < high; ) | |
1207 | { | |
1208 | QUIT; | |
1209 | fputs_unfiltered (" ", gdb_stdout); | |
1210 | print_address (pc, gdb_stdout); | |
1211 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1212 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1213 | fputs_unfiltered ("\n", gdb_stdout); |
1214 | } | |
1215 | } | |
1216 | ||
09722039 SG |
1217 | gdb_flush (gdb_stdout); |
1218 | ||
1219 | return TCL_OK; | |
1220 | } | |
754e5da2 SG |
1221 | \f |
1222 | static void | |
1223 | tk_command (cmd, from_tty) | |
1224 | char *cmd; | |
1225 | int from_tty; | |
1226 | { | |
546b8ca7 SG |
1227 | int retval; |
1228 | char *result; | |
1229 | struct cleanup *old_chain; | |
1230 | ||
572977a5 FF |
1231 | /* Catch case of no argument, since this will make the tcl interpreter dump core. */ |
1232 | if (cmd == NULL) | |
1233 | error_no_arg ("tcl command to interpret"); | |
1234 | ||
546b8ca7 SG |
1235 | retval = Tcl_Eval (interp, cmd); |
1236 | ||
1237 | result = strdup (interp->result); | |
754e5da2 | 1238 | |
546b8ca7 SG |
1239 | old_chain = make_cleanup (free, result); |
1240 | ||
1241 | if (retval != TCL_OK) | |
1242 | error (result); | |
1243 | ||
1244 | printf_unfiltered ("%s\n", result); | |
1245 | ||
1246 | do_cleanups (old_chain); | |
754e5da2 SG |
1247 | } |
1248 | ||
1249 | static void | |
1250 | cleanup_init (ignored) | |
1251 | int ignored; | |
1252 | { | |
754e5da2 SG |
1253 | if (interp != NULL) |
1254 | Tcl_DeleteInterp (interp); | |
1255 | interp = NULL; | |
1256 | } | |
1257 | ||
637b1661 SG |
1258 | /* Come here during long calculations to check for GUI events. Usually invoked |
1259 | via the QUIT macro. */ | |
1260 | ||
1261 | static void | |
1262 | gdbtk_interactive () | |
1263 | { | |
1264 | /* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */ | |
1265 | } | |
1266 | ||
479f0f18 SG |
1267 | /* Come here when there is activity on the X file descriptor. */ |
1268 | ||
1269 | static void | |
1270 | x_event (signo) | |
1271 | int signo; | |
1272 | { | |
1273 | /* Process pending events */ | |
1274 | ||
f02156cf | 1275 | while (Tcl_DoOneEvent (TCL_DONT_WAIT|TCL_ALL_EVENTS) != 0); |
479f0f18 SG |
1276 | } |
1277 | ||
1278 | static int | |
1279 | gdbtk_wait (pid, ourstatus) | |
1280 | int pid; | |
1281 | struct target_waitstatus *ourstatus; | |
1282 | { | |
736a82e7 SG |
1283 | struct sigaction action; |
1284 | static sigset_t nullsigmask = {0}; | |
1285 | ||
1286 | #ifndef SA_RESTART | |
1287 | /* Needed for SunOS 4.1.x */ | |
1288 | #define SA_RESTART 0 | |
546b8ca7 | 1289 | #endif |
479f0f18 | 1290 | |
736a82e7 SG |
1291 | action.sa_handler = x_event; |
1292 | action.sa_mask = nullsigmask; | |
1293 | action.sa_flags = SA_RESTART; | |
8a19b35a | 1294 | #ifndef WINNT |
736a82e7 | 1295 | sigaction(SIGIO, &action, NULL); |
8a19b35a | 1296 | #endif |
736a82e7 | 1297 | |
479f0f18 SG |
1298 | pid = target_wait (pid, ourstatus); |
1299 | ||
736a82e7 | 1300 | action.sa_handler = SIG_IGN; |
8a19b35a MH |
1301 | #ifndef WINNT |
1302 | sigaction(SIGIO, &action, NULL); | |
1303 | #endif | |
479f0f18 SG |
1304 | |
1305 | return pid; | |
1306 | } | |
1307 | ||
1308 | /* This is called from execute_command, and provides a wrapper around | |
1309 | various command routines in a place where both protocol messages and | |
1310 | user input both flow through. Mostly this is used for indicating whether | |
1311 | the target process is running or not. | |
1312 | */ | |
1313 | ||
1314 | static void | |
1315 | gdbtk_call_command (cmdblk, arg, from_tty) | |
1316 | struct cmd_list_element *cmdblk; | |
1317 | char *arg; | |
1318 | int from_tty; | |
1319 | { | |
fda6fadc | 1320 | running_now = 0; |
479f0f18 SG |
1321 | if (cmdblk->class == class_run) |
1322 | { | |
fda6fadc | 1323 | running_now = 1; |
4e327047 | 1324 | Tcl_Eval (interp, "gdbtk_tcl_busy"); |
479f0f18 | 1325 | (*cmdblk->function.cfunc)(arg, from_tty); |
fda6fadc | 1326 | running_now = 0; |
2476848a | 1327 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
479f0f18 SG |
1328 | } |
1329 | else | |
1330 | (*cmdblk->function.cfunc)(arg, from_tty); | |
1331 | } | |
1332 | ||
5bac2b50 FF |
1333 | /* This function is called instead of gdb's internal command loop. This is the |
1334 | last chance to do anything before entering the main Tk event loop. */ | |
1335 | ||
1336 | static void | |
1337 | tk_command_loop () | |
1338 | { | |
41756e56 FF |
1339 | extern GDB_FILE *instream; |
1340 | ||
1341 | /* We no longer want to use stdin as the command input stream */ | |
1342 | instream = NULL; | |
5bac2b50 FF |
1343 | Tcl_Eval (interp, "gdbtk_tcl_preloop"); |
1344 | Tk_MainLoop (); | |
1345 | } | |
1346 | ||
9a2f9219 ILT |
1347 | /* gdbtk_init installs this function as a final cleanup. */ |
1348 | ||
1349 | static void | |
1350 | gdbtk_cleanup (dummy) | |
1351 | PTR dummy; | |
1352 | { | |
1353 | Tcl_Finalize (); | |
1354 | } | |
1355 | ||
1356 | /* Initialize gdbtk. */ | |
1357 | ||
754e5da2 | 1358 | static void |
2476848a MH |
1359 | gdbtk_init ( argv0 ) |
1360 | char *argv0; | |
754e5da2 SG |
1361 | { |
1362 | struct cleanup *old_chain; | |
74089546 | 1363 | char *lib, *gdbtk_lib, *gdbtk_lib_tmp, *gdbtk_file; |
8a19b35a | 1364 | int i, found_main; |
736a82e7 SG |
1365 | struct sigaction action; |
1366 | static sigset_t nullsigmask = {0}; | |
2476848a MH |
1367 | #ifdef IDE |
1368 | struct ide_event_handle *h; | |
1369 | const char *errmsg; | |
1370 | char *libexecdir; | |
1371 | #endif | |
754e5da2 | 1372 | |
fe58c81f FF |
1373 | /* If there is no DISPLAY environment variable, Tk_Init below will fail, |
1374 | causing gdb to abort. If instead we simply return here, gdb will | |
1375 | gracefully degrade to using the command line interface. */ | |
1376 | ||
8a19b35a | 1377 | #ifndef WINNT |
fe58c81f FF |
1378 | if (getenv ("DISPLAY") == NULL) |
1379 | return; | |
8a19b35a | 1380 | #endif |
fe58c81f | 1381 | |
754e5da2 SG |
1382 | old_chain = make_cleanup (cleanup_init, 0); |
1383 | ||
1384 | /* First init tcl and tk. */ | |
2476848a | 1385 | Tcl_FindExecutable (argv0); |
754e5da2 SG |
1386 | interp = Tcl_CreateInterp (); |
1387 | ||
1388 | if (!interp) | |
1389 | error ("Tcl_CreateInterp failed"); | |
1390 | ||
754e5da2 SG |
1391 | if (Tcl_Init(interp) != TCL_OK) |
1392 | error ("Tcl_Init failed: %s", interp->result); | |
1393 | ||
9a2f9219 | 1394 | make_final_cleanup (gdbtk_cleanup, NULL); |
2476848a MH |
1395 | |
1396 | #ifdef IDE | |
9a2f9219 | 1397 | /* Initialize the Paths variable. */ |
74089546 | 1398 | if (ide_initialize_paths (interp, "gdbtcl") != TCL_OK) |
9a2f9219 ILT |
1399 | error ("ide_initialize_paths failed: %s", interp->result); |
1400 | ||
2476848a MH |
1401 | /* Find the directory where we expect to find idemanager. We ignore |
1402 | errors since it doesn't really matter if this fails. */ | |
1403 | libexecdir = Tcl_GetVar2 (interp, "Paths", "libexecdir", TCL_GLOBAL_ONLY); | |
1404 | ||
1405 | IluTk_Init (); | |
1406 | ||
7b94b2ea | 1407 | h = ide_event_init_from_environment (&errmsg, libexecdir); |
2476848a MH |
1408 | if (h == NULL) |
1409 | { | |
1410 | Tcl_AppendResult (interp, "can't initialize event system: ", errmsg, | |
1411 | (char *) NULL); | |
1412 | fprintf(stderr, "WARNING: ide_event_init_client failed: %s\n", interp->result); | |
9a2f9219 ILT |
1413 | |
1414 | Tcl_SetVar (interp, "GDBTK_IDE", "0", 0); | |
2476848a MH |
1415 | } |
1416 | else | |
1417 | { | |
1418 | if (ide_create_tclevent_command (interp, h) != TCL_OK) | |
1419 | error ("ide_create_tclevent_command failed: %s", interp->result); | |
1420 | if (ide_create_edit_command (interp, h) != TCL_OK) | |
1421 | error ("ide_create_edit_command failed: %s", interp->result); | |
1422 | ||
1423 | if (ide_create_property_command (interp, h) != TCL_OK) | |
1424 | error ("ide_create_property_command failed: %s", interp->result); | |
1425 | ||
9a2f9219 ILT |
1426 | if (ide_create_window_register_command (interp, h) != TCL_OK) |
1427 | error ("ide_create_window_register_command failed: %s", | |
1428 | interp->result); | |
1429 | ||
1430 | if (ide_create_window_command (interp, h) != TCL_OK) | |
1431 | error ("ide_create_window_command failed: %s", interp->result); | |
1432 | ||
2476848a MH |
1433 | /* |
1434 | if (ide_initialize (interp, "gdb") != TCL_OK) | |
1435 | error ("ide_initialize failed: %s", interp->result); | |
1436 | */ | |
9a2f9219 ILT |
1437 | |
1438 | Tcl_SetVar (interp, "GDBTK_IDE", "1", 0); | |
2476848a | 1439 | } |
2476848a MH |
1440 | #else |
1441 | Tcl_SetVar (interp, "GDBTK_IDE", "0", 0); | |
1442 | #endif /* IDE */ | |
1443 | ||
9a2f9219 ILT |
1444 | /* We don't want to open the X connection until we've done all the |
1445 | IDE initialization. Otherwise, goofy looking unfinished windows | |
1446 | pop up when ILU drops into the TCL event loop. */ | |
1447 | ||
1448 | if (Tk_Init(interp) != TCL_OK) | |
1449 | error ("Tk_Init failed: %s", interp->result); | |
1450 | ||
1451 | if (Itcl_Init(interp) == TCL_ERROR) | |
1452 | error ("Itcl_Init failed: %s", interp->result); | |
1453 | ||
1454 | if (Tix_Init(interp) != TCL_OK) | |
1455 | error ("Tix_Init failed: %s", interp->result); | |
1456 | ||
86db943c SG |
1457 | Tcl_CreateCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
1458 | Tcl_CreateCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); | |
8a19b35a | 1459 | Tcl_CreateCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL); |
86db943c SG |
1460 | Tcl_CreateCommand (interp, "gdb_sourcelines", call_wrapper, gdb_sourcelines, |
1461 | NULL); | |
1462 | Tcl_CreateCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, | |
746d1df4 | 1463 | NULL); |
99c98415 MH |
1464 | Tcl_CreateCommand (interp, "gdb_listfuncs", call_wrapper, gdb_listfuncs, |
1465 | NULL); | |
86db943c SG |
1466 | Tcl_CreateCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
1467 | Tcl_CreateCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); | |
1468 | Tcl_CreateCommand (interp, "gdb_fetch_registers", call_wrapper, | |
1469 | gdb_fetch_registers, NULL); | |
1470 | Tcl_CreateCommand (interp, "gdb_changed_register_list", call_wrapper, | |
1471 | gdb_changed_register_list, NULL); | |
09722039 SG |
1472 | Tcl_CreateCommand (interp, "gdb_disassemble", call_wrapper, |
1473 | gdb_disassemble, NULL); | |
1474 | Tcl_CreateCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); | |
6131622e SG |
1475 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
1476 | gdb_get_breakpoint_list, NULL); | |
1477 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper, | |
1478 | gdb_get_breakpoint_info, NULL); | |
754e5da2 | 1479 | |
5bac2b50 | 1480 | command_loop_hook = tk_command_loop; |
b607efe7 FF |
1481 | print_frame_info_listing_hook = |
1482 | (void (*) PARAMS ((struct symtab *, int, int, int))) null_routine; | |
09722039 SG |
1483 | query_hook = gdbtk_query; |
1484 | flush_hook = gdbtk_flush; | |
1485 | create_breakpoint_hook = gdbtk_create_breakpoint; | |
1486 | delete_breakpoint_hook = gdbtk_delete_breakpoint; | |
6131622e | 1487 | modify_breakpoint_hook = gdbtk_modify_breakpoint; |
09722039 SG |
1488 | interactive_hook = gdbtk_interactive; |
1489 | target_wait_hook = gdbtk_wait; | |
1490 | call_command_hook = gdbtk_call_command; | |
41756e56 FF |
1491 | readline_begin_hook = gdbtk_readline_begin; |
1492 | readline_hook = gdbtk_readline; | |
1493 | readline_end_hook = gdbtk_readline_end; | |
754e5da2 | 1494 | |
cd2df226 | 1495 | /* Get the file descriptor for the X server */ |
479f0f18 | 1496 | |
047465fd | 1497 | x_fd = ConnectionNumber (Tk_Display (Tk_MainWindow (interp))); |
479f0f18 SG |
1498 | |
1499 | /* Setup for I/O interrupts */ | |
1500 | ||
736a82e7 SG |
1501 | action.sa_mask = nullsigmask; |
1502 | action.sa_flags = 0; | |
1503 | action.sa_handler = SIG_IGN; | |
8a19b35a | 1504 | #ifndef WINNT |
736a82e7 | 1505 | sigaction(SIGIO, &action, NULL); |
8a19b35a | 1506 | #endif |
736a82e7 SG |
1507 | |
1508 | #ifdef FIOASYNC | |
1509 | i = 1; | |
1510 | if (ioctl (x_fd, FIOASYNC, &i)) | |
1511 | perror_with_name ("gdbtk_init: ioctl FIOASYNC failed"); | |
479f0f18 | 1512 | |
77a89957 | 1513 | #ifdef SIOCSPGRP |
736a82e7 SG |
1514 | i = getpid(); |
1515 | if (ioctl (x_fd, SIOCSPGRP, &i)) | |
1516 | perror_with_name ("gdbtk_init: ioctl SIOCSPGRP failed"); | |
45f90c50 MM |
1517 | |
1518 | #else | |
1519 | #ifdef F_SETOWN | |
1520 | i = getpid(); | |
1521 | if (fcntl (x_fd, F_SETOWN, i)) | |
1522 | perror_with_name ("gdbtk_init: fcntl F_SETOWN failed"); | |
1523 | #endif /* F_SETOWN */ | |
1524 | #endif /* !SIOCSPGRP */ | |
546b8ca7 | 1525 | #else |
8a19b35a | 1526 | #ifndef WINNT |
546b8ca7 | 1527 | if (ioctl (x_fd, I_SETSIG, S_INPUT|S_RDNORM) < 0) |
736a82e7 | 1528 | perror_with_name ("gdbtk_init: ioctl I_SETSIG failed"); |
8a19b35a MH |
1529 | #endif |
1530 | ||
736a82e7 | 1531 | #endif /* ifndef FIOASYNC */ |
479f0f18 | 1532 | |
754e5da2 SG |
1533 | add_com ("tk", class_obscure, tk_command, |
1534 | "Send a command directly into tk."); | |
09722039 | 1535 | |
09722039 SG |
1536 | Tcl_LinkVar (interp, "disassemble-from-exec", (char *)&disassemble_from_exec, |
1537 | TCL_LINK_INT); | |
1538 | ||
8a19b35a | 1539 | /* find the gdb tcl library and source main.tcl */ |
09722039 | 1540 | |
8a19b35a MH |
1541 | gdbtk_lib = getenv ("GDBTK_LIBRARY"); |
1542 | if (!gdbtk_lib) | |
1543 | if (access ("gdbtcl/main.tcl", R_OK) == 0) | |
1544 | gdbtk_lib = "gdbtcl"; | |
09722039 | 1545 | else |
8a19b35a MH |
1546 | gdbtk_lib = GDBTK_LIBRARY; |
1547 | ||
74089546 ILT |
1548 | gdbtk_lib_tmp = xstrdup (gdbtk_lib); |
1549 | ||
8a19b35a MH |
1550 | found_main = 0; |
1551 | /* see if GDBTK_LIBRARY is a path list */ | |
1552 | lib = strtok (gdbtk_lib_tmp, GDBTK_PATH_SEP); | |
1553 | do | |
1554 | { | |
1555 | if (Tcl_VarEval (interp, "lappend auto_path ", lib, NULL) != TCL_OK) | |
1556 | { | |
1557 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1558 | error (""); | |
1559 | } | |
1560 | if (!found_main) | |
1561 | { | |
74089546 | 1562 | gdbtk_file = concat (lib, "/main.tcl", (char *) NULL); |
8a19b35a MH |
1563 | if (access (gdbtk_file, R_OK) == 0) |
1564 | { | |
1565 | found_main++; | |
1566 | Tcl_SetVar (interp, "GDBTK_LIBRARY", lib, 0); | |
1567 | } | |
1568 | } | |
1569 | } | |
56e327b3 | 1570 | while ((lib = strtok (NULL, ":")) != NULL); |
74089546 ILT |
1571 | |
1572 | free (gdbtk_lib_tmp); | |
1573 | ||
1574 | #ifdef IDE | |
1575 | if (!found_main) | |
1576 | { | |
1577 | /* Try finding it with the auto path. */ | |
1578 | ||
1579 | static const char script[] ="\ | |
1580 | proc gdbtk_find_main {} {\n\ | |
1581 | global auto_path GDBTK_LIBRARY\n\ | |
1582 | foreach dir $auto_path {\n\ | |
1583 | set f [file join $dir main.tcl]\n\ | |
1584 | if {[file exists $f]} then {\n\ | |
1585 | set GDBTK_LIBRARY $dir\n\ | |
1586 | return $f\n\ | |
1587 | }\n\ | |
1588 | }\n\ | |
1589 | return ""\n\ | |
1590 | }\n\ | |
1591 | gdbtk_find_main"; | |
1592 | ||
1593 | if (Tcl_GlobalEval (interp, (char *) script) != TCL_OK) | |
1594 | { | |
1595 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1596 | error (""); | |
1597 | } | |
1598 | ||
1599 | if (interp->result[0] != '\0') | |
1600 | { | |
1601 | gdbtk_file = xstrdup (interp->result); | |
1602 | found_main++; | |
1603 | } | |
1604 | } | |
1605 | #endif | |
1606 | ||
8a19b35a MH |
1607 | if (!found_main) |
1608 | { | |
1609 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1610 | if (getenv("GDBTK_LIBRARY")) | |
1611 | { | |
1612 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n",getenv("GDBTK_LIBRARY")); | |
1613 | fprintf_unfiltered (stderr, | |
1614 | "Please set GDBTK_LIBRARY to a path that includes the GDB tcl files.\n"); | |
1615 | } | |
1616 | else | |
1617 | { | |
1618 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n", GDBTK_LIBRARY); | |
1619 | fprintf_unfiltered (stderr, "You might want to set GDBTK_LIBRARY\n"); | |
1620 | } | |
1621 | error(""); | |
1622 | } | |
09722039 | 1623 | |
724498fd SG |
1624 | /* Defer setup of fputs_unfiltered_hook to near the end so that error messages |
1625 | prior to this point go to stdout/stderr. */ | |
1626 | ||
1627 | fputs_unfiltered_hook = gdbtk_fputs; | |
1628 | ||
8a19b35a | 1629 | if (Tcl_EvalFile (interp, gdbtk_file) != TCL_OK) |
724498fd SG |
1630 | { |
1631 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1632 | ||
8a19b35a | 1633 | fprintf_unfiltered (stderr, "%s:%d: %s\n", gdbtk_file, |
724498fd | 1634 | interp->errorLine, interp->result); |
b66051ec SG |
1635 | |
1636 | fputs_unfiltered ("Stack trace:\n", gdb_stderr); | |
1637 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1638 | error (""); | |
724498fd | 1639 | } |
09722039 | 1640 | |
74089546 ILT |
1641 | free (gdbtk_file); |
1642 | ||
09722039 | 1643 | discard_cleanups (old_chain); |
754e5da2 SG |
1644 | } |
1645 | ||
3f37b696 | 1646 | /* Come here during initialize_all_files () */ |
754e5da2 SG |
1647 | |
1648 | void | |
1649 | _initialize_gdbtk () | |
1650 | { | |
c5197511 SG |
1651 | if (use_windows) |
1652 | { | |
1653 | /* Tell the rest of the world that Gdbtk is now set up. */ | |
754e5da2 | 1654 | |
c5197511 SG |
1655 | init_ui_hook = gdbtk_init; |
1656 | } | |
754e5da2 | 1657 | } |