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" | |
754e5da2 SG |
30 | #include <tcl.h> |
31 | #include <tk.h> | |
8a19b35a | 32 | /* #include <itcl.h> */ |
73d3dbd4 | 33 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
34 | #include <stdarg.h> |
35 | #else | |
cd2df226 | 36 | #include <varargs.h> |
85c613aa | 37 | #endif |
cd2df226 SG |
38 | #include <signal.h> |
39 | #include <fcntl.h> | |
8532893d | 40 | #include <unistd.h> |
86db943c SG |
41 | #include <setjmp.h> |
42 | #include "top.h" | |
736a82e7 | 43 | #include <sys/ioctl.h> |
2b576293 | 44 | #include "gdb_string.h" |
09722039 | 45 | #include "dis-asm.h" |
6131622e SG |
46 | #include <stdio.h> |
47 | #include "gdbcmd.h" | |
736a82e7 | 48 | |
8a19b35a | 49 | #ifndef WINNT |
736a82e7 | 50 | #ifndef FIOASYNC |
546b8ca7 SG |
51 | #include <sys/stropts.h> |
52 | #endif | |
8a19b35a MH |
53 | #endif |
54 | ||
55 | #ifdef WINNT | |
56 | #define GDBTK_PATH_SEP ";" | |
57 | #else | |
58 | #define GDBTK_PATH_SEP ":" | |
59 | #endif | |
754e5da2 | 60 | |
8b3f9ed6 | 61 | /* Some versions (1.3.79, 1.3.81) of Linux don't support SIOCSPGRP the way |
3f37b696 | 62 | gdbtk wants to use it... */ |
8b3f9ed6 MM |
63 | #ifdef __linux__ |
64 | #undef SIOCSPGRP | |
65 | #endif | |
66 | ||
b607efe7 FF |
67 | static void null_routine PARAMS ((int)); |
68 | static void gdbtk_flush PARAMS ((FILE *)); | |
69 | static void gdbtk_fputs PARAMS ((const char *, FILE *)); | |
70 | static int gdbtk_query PARAMS ((const char *, va_list)); | |
71 | static char *gdbtk_readline PARAMS ((char *)); | |
72 | static void gdbtk_init PARAMS ((void)); | |
73 | static void tk_command_loop PARAMS ((void)); | |
74 | static void gdbtk_call_command PARAMS ((struct cmd_list_element *, char *, int)); | |
75 | static int gdbtk_wait PARAMS ((int, struct target_waitstatus *)); | |
76 | static void x_event PARAMS ((int)); | |
77 | static void gdbtk_interactive PARAMS ((void)); | |
78 | static void cleanup_init PARAMS ((int)); | |
79 | static void tk_command PARAMS ((char *, int)); | |
80 | static int gdb_disassemble PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
81 | static int compare_lines PARAMS ((const PTR, const PTR)); | |
82 | static int gdbtk_dis_asm_read_memory PARAMS ((bfd_vma, bfd_byte *, int, disassemble_info *)); | |
8a19b35a | 83 | static int gdb_path_conv PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
b607efe7 FF |
84 | static int gdb_stop PARAMS ((ClientData, Tcl_Interp *, int, char *[])); |
85 | static int gdb_listfiles PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
86 | static int call_wrapper PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
87 | static int gdb_cmd PARAMS ((ClientData, Tcl_Interp *, int, char *argv[])); | |
88 | static int gdb_fetch_registers PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
89 | static void gdbtk_readline_end PARAMS ((void)); | |
90 | static int gdb_changed_register_list PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
91 | static void register_changed_p PARAMS ((int, void *)); | |
92 | static int gdb_get_breakpoint_list PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
93 | static int gdb_get_breakpoint_info PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
94 | static void breakpoint_notify PARAMS ((struct breakpoint *, const char *)); | |
95 | static void gdbtk_create_breakpoint PARAMS ((struct breakpoint *)); | |
96 | static void gdbtk_delete_breakpoint PARAMS ((struct breakpoint *)); | |
97 | static void gdbtk_modify_breakpoint PARAMS ((struct breakpoint *)); | |
98 | static int gdb_loc PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
99 | static int gdb_eval PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
100 | static int gdb_sourcelines PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
101 | static int map_arg_registers PARAMS ((int, char *[], void (*) (int, void *), void *)); | |
102 | static void get_register_name PARAMS ((int, void *)); | |
103 | static int gdb_regnames PARAMS ((ClientData, Tcl_Interp *, int, char *[])); | |
104 | static void get_register PARAMS ((int, void *)); | |
105 | ||
754e5da2 | 106 | /* Handle for TCL interpreter */ |
fda6fadc | 107 | |
754e5da2 SG |
108 | static Tcl_Interp *interp = NULL; |
109 | ||
479f0f18 SG |
110 | static int x_fd; /* X network socket */ |
111 | ||
fda6fadc SS |
112 | /* This variable is true when the inferior is running. Although it's |
113 | possible to disable most input from widgets and thus prevent | |
114 | attempts to do anything while the inferior is running, any commands | |
115 | that get through - even a simple memory read - are Very Bad, and | |
116 | may cause GDB to crash or behave strangely. So, this variable | |
117 | provides an extra layer of defense. */ | |
09722039 | 118 | |
fda6fadc SS |
119 | static int running_now; |
120 | ||
121 | /* This variable determines where memory used for disassembly is read from. | |
122 | If > 0, then disassembly comes from the exec file rather than the | |
123 | target (which might be at the other end of a slow serial link). If | |
124 | == 0 then disassembly comes from target. If < 0 disassembly is | |
125 | automatically switched to the target if it's an inferior process, | |
126 | otherwise the exec file is used. */ | |
09722039 SG |
127 | |
128 | static int disassemble_from_exec = -1; | |
129 | ||
8a19b35a MH |
130 | static char *Gdbtk_Library; |
131 | ||
8c19daa1 SG |
132 | /* Supply malloc calls for tcl/tk. */ |
133 | ||
134 | char * | |
a5a6e3bd | 135 | Tcl_Alloc (size) |
8c19daa1 SG |
136 | unsigned int size; |
137 | { | |
138 | return xmalloc (size); | |
139 | } | |
140 | ||
141 | char * | |
142 | Tcl_Realloc (ptr, size) | |
143 | char *ptr; | |
144 | unsigned int size; | |
145 | { | |
146 | return xrealloc (ptr, size); | |
147 | } | |
148 | ||
149 | void | |
150 | Tcl_Free(ptr) | |
151 | char *ptr; | |
152 | { | |
153 | free (ptr); | |
154 | } | |
155 | ||
754e5da2 SG |
156 | static void |
157 | null_routine(arg) | |
158 | int arg; | |
159 | { | |
160 | } | |
161 | ||
546b8ca7 SG |
162 | /* The following routines deal with stdout/stderr data, which is created by |
163 | {f}printf_{un}filtered and friends. gdbtk_fputs and gdbtk_flush are the | |
164 | lowest level of these routines and capture all output from the rest of GDB. | |
165 | Normally they present their data to tcl via callbacks to the following tcl | |
166 | routines: gdbtk_tcl_fputs, gdbtk_tcl_fputs_error, and gdbtk_flush. These | |
167 | in turn call tk routines to update the display. | |
86db943c | 168 | |
546b8ca7 SG |
169 | Under some circumstances, you may want to collect the output so that it can |
170 | be returned as the value of a tcl procedure. This can be done by | |
171 | surrounding the output routines with calls to start_saving_output and | |
172 | finish_saving_output. The saved data can then be retrieved with | |
173 | get_saved_output (but this must be done before the call to | |
174 | finish_saving_output). */ | |
86db943c | 175 | |
546b8ca7 | 176 | /* Dynamic string header for stdout. */ |
86db943c | 177 | |
6131622e | 178 | static Tcl_DString *result_ptr; |
754e5da2 | 179 | \f |
754e5da2 SG |
180 | static void |
181 | gdbtk_flush (stream) | |
182 | FILE *stream; | |
183 | { | |
6131622e | 184 | #if 0 |
86db943c SG |
185 | /* Force immediate screen update */ |
186 | ||
754e5da2 | 187 | Tcl_VarEval (interp, "gdbtk_tcl_flush", NULL); |
6131622e | 188 | #endif |
754e5da2 SG |
189 | } |
190 | ||
8532893d | 191 | static void |
86db943c | 192 | gdbtk_fputs (ptr, stream) |
8532893d | 193 | const char *ptr; |
86db943c | 194 | FILE *stream; |
8532893d | 195 | { |
fda6fadc | 196 | |
6131622e | 197 | if (result_ptr) |
45f90c50 | 198 | Tcl_DStringAppend (result_ptr, (char *)ptr, -1); |
6131622e | 199 | else |
86db943c | 200 | { |
6131622e | 201 | Tcl_DString str; |
86db943c | 202 | |
6131622e | 203 | Tcl_DStringInit (&str); |
8532893d | 204 | |
6131622e | 205 | Tcl_DStringAppend (&str, "gdbtk_tcl_fputs", -1); |
45f90c50 | 206 | Tcl_DStringAppendElement (&str, (char *)ptr); |
8532893d | 207 | |
6131622e SG |
208 | Tcl_Eval (interp, Tcl_DStringValue (&str)); |
209 | Tcl_DStringFree (&str); | |
210 | } | |
8532893d SG |
211 | } |
212 | ||
754e5da2 | 213 | static int |
85c613aa | 214 | gdbtk_query (query, args) |
b607efe7 | 215 | const char *query; |
754e5da2 SG |
216 | va_list args; |
217 | { | |
4e327047 TT |
218 | char buf[200], *merge[2]; |
219 | char *command; | |
754e5da2 SG |
220 | long val; |
221 | ||
6131622e | 222 | vsprintf (buf, query, args); |
4e327047 TT |
223 | merge[0] = "gdbtk_tcl_query"; |
224 | merge[1] = buf; | |
225 | command = Tcl_Merge (2, merge); | |
226 | Tcl_Eval (interp, command); | |
227 | free (command); | |
754e5da2 SG |
228 | |
229 | val = atol (interp->result); | |
230 | return val; | |
231 | } | |
41756e56 FF |
232 | |
233 | /* VARARGS */ | |
234 | static void | |
235 | #ifdef ANSI_PROTOTYPES | |
236 | gdbtk_readline_begin (char *format, ...) | |
237 | #else | |
238 | gdbtk_readline_begin (va_alist) | |
239 | va_dcl | |
240 | #endif | |
241 | { | |
242 | va_list args; | |
243 | char buf[200], *merge[2]; | |
244 | char *command; | |
245 | ||
246 | #ifdef ANSI_PROTOTYPES | |
247 | va_start (args, format); | |
248 | #else | |
249 | char *format; | |
250 | va_start (args); | |
251 | format = va_arg (args, char *); | |
252 | #endif | |
253 | ||
254 | vsprintf (buf, format, args); | |
255 | merge[0] = "gdbtk_tcl_readline_begin"; | |
256 | merge[1] = buf; | |
257 | command = Tcl_Merge (2, merge); | |
258 | Tcl_Eval (interp, command); | |
259 | free (command); | |
260 | } | |
261 | ||
262 | static char * | |
263 | gdbtk_readline (prompt) | |
264 | char *prompt; | |
265 | { | |
266 | char *merge[2]; | |
267 | char *command; | |
bd45f82f | 268 | int result; |
41756e56 FF |
269 | |
270 | merge[0] = "gdbtk_tcl_readline"; | |
271 | merge[1] = prompt; | |
272 | command = Tcl_Merge (2, merge); | |
bd45f82f TT |
273 | result = Tcl_Eval (interp, command); |
274 | free (command); | |
275 | if (result == TCL_OK) | |
41756e56 FF |
276 | { |
277 | return (strdup (interp -> result)); | |
278 | } | |
279 | else | |
280 | { | |
281 | gdbtk_fputs (interp -> result, gdb_stdout); | |
282 | gdbtk_fputs ("\n", gdb_stdout); | |
283 | return (NULL); | |
284 | } | |
285 | } | |
286 | ||
287 | static void | |
288 | gdbtk_readline_end () | |
289 | { | |
290 | Tcl_Eval (interp, "gdbtk_tcl_readline_end"); | |
291 | } | |
292 | ||
754e5da2 | 293 | \f |
6131622e | 294 | static void |
73d3dbd4 | 295 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
296 | dsprintf_append_element (Tcl_DString *dsp, char *format, ...) |
297 | #else | |
6131622e SG |
298 | dsprintf_append_element (va_alist) |
299 | va_dcl | |
85c613aa | 300 | #endif |
6131622e SG |
301 | { |
302 | va_list args; | |
85c613aa C |
303 | char buf[1024]; |
304 | ||
73d3dbd4 | 305 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
306 | va_start (args, format); |
307 | #else | |
6131622e SG |
308 | Tcl_DString *dsp; |
309 | char *format; | |
6131622e SG |
310 | |
311 | va_start (args); | |
6131622e SG |
312 | dsp = va_arg (args, Tcl_DString *); |
313 | format = va_arg (args, char *); | |
85c613aa | 314 | #endif |
6131622e SG |
315 | |
316 | vsprintf (buf, format, args); | |
317 | ||
318 | Tcl_DStringAppendElement (dsp, buf); | |
319 | } | |
320 | ||
8a19b35a MH |
321 | static int |
322 | gdb_path_conv (clientData, interp, argc, argv) | |
323 | ClientData clientData; | |
324 | Tcl_Interp *interp; | |
325 | int argc; | |
326 | char *argv[]; | |
327 | { | |
328 | #ifdef WINNT | |
329 | char pathname[256], *ptr; | |
330 | if (argc != 2) | |
331 | error ("wrong # args"); | |
332 | cygwin32_conv_to_full_win32_path (argv[1], pathname); | |
333 | for (ptr = pathname; *ptr; ptr++) | |
334 | { | |
335 | if (*ptr == '\\') | |
336 | *ptr = '/'; | |
337 | } | |
338 | #else | |
339 | char *pathname = argv[1]; | |
340 | #endif | |
341 | Tcl_DStringAppend (result_ptr, pathname, strlen(pathname)); | |
342 | return TCL_OK; | |
343 | } | |
344 | ||
6131622e SG |
345 | static int |
346 | gdb_get_breakpoint_list (clientData, interp, argc, argv) | |
347 | ClientData clientData; | |
348 | Tcl_Interp *interp; | |
349 | int argc; | |
350 | char *argv[]; | |
351 | { | |
352 | struct breakpoint *b; | |
353 | extern struct breakpoint *breakpoint_chain; | |
354 | ||
355 | if (argc != 1) | |
356 | error ("wrong # args"); | |
357 | ||
358 | for (b = breakpoint_chain; b; b = b->next) | |
359 | if (b->type == bp_breakpoint) | |
360 | dsprintf_append_element (result_ptr, "%d", b->number); | |
361 | ||
362 | return TCL_OK; | |
363 | } | |
364 | ||
365 | static int | |
366 | gdb_get_breakpoint_info (clientData, interp, argc, argv) | |
367 | ClientData clientData; | |
368 | Tcl_Interp *interp; | |
369 | int argc; | |
370 | char *argv[]; | |
371 | { | |
372 | struct symtab_and_line sal; | |
373 | static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", | |
374 | "finish", "watchpoint", "hardware watchpoint", | |
375 | "read watchpoint", "access watchpoint", | |
376 | "longjmp", "longjmp resume", "step resume", | |
377 | "through sigtramp", "watchpoint scope", | |
378 | "call dummy" }; | |
379 | static char *bpdisp[] = {"delete", "disable", "donttouch"}; | |
380 | struct command_line *cmd; | |
381 | int bpnum; | |
382 | struct breakpoint *b; | |
383 | extern struct breakpoint *breakpoint_chain; | |
384 | ||
385 | if (argc != 2) | |
386 | error ("wrong # args"); | |
387 | ||
388 | bpnum = atoi (argv[1]); | |
389 | ||
390 | for (b = breakpoint_chain; b; b = b->next) | |
391 | if (b->number == bpnum) | |
392 | break; | |
393 | ||
9468f8aa | 394 | if (!b || b->type != bp_breakpoint) |
6131622e SG |
395 | error ("Breakpoint #%d does not exist", bpnum); |
396 | ||
6131622e SG |
397 | sal = find_pc_line (b->address, 0); |
398 | ||
399 | Tcl_DStringAppendElement (result_ptr, symtab_to_filename (sal.symtab)); | |
400 | dsprintf_append_element (result_ptr, "%d", sal.line); | |
401 | dsprintf_append_element (result_ptr, "0x%lx", b->address); | |
402 | Tcl_DStringAppendElement (result_ptr, bptypes[b->type]); | |
403 | Tcl_DStringAppendElement (result_ptr, b->enable == enabled ? "1" : "0"); | |
404 | Tcl_DStringAppendElement (result_ptr, bpdisp[b->disposition]); | |
405 | dsprintf_append_element (result_ptr, "%d", b->silent); | |
406 | dsprintf_append_element (result_ptr, "%d", b->ignore_count); | |
407 | ||
408 | Tcl_DStringStartSublist (result_ptr); | |
409 | for (cmd = b->commands; cmd; cmd = cmd->next) | |
410 | Tcl_DStringAppendElement (result_ptr, cmd->line); | |
411 | Tcl_DStringEndSublist (result_ptr); | |
412 | ||
413 | Tcl_DStringAppendElement (result_ptr, b->cond_string); | |
414 | ||
415 | dsprintf_append_element (result_ptr, "%d", b->thread); | |
416 | dsprintf_append_element (result_ptr, "%d", b->hit_count); | |
417 | ||
418 | return TCL_OK; | |
419 | } | |
420 | ||
754e5da2 SG |
421 | static void |
422 | breakpoint_notify(b, action) | |
423 | struct breakpoint *b; | |
424 | const char *action; | |
425 | { | |
6131622e | 426 | char buf[100]; |
754e5da2 SG |
427 | int v; |
428 | ||
429 | if (b->type != bp_breakpoint) | |
430 | return; | |
431 | ||
4e327047 TT |
432 | /* We ensure that ACTION contains no special Tcl characters, so we |
433 | can do this. */ | |
6131622e | 434 | sprintf (buf, "gdbtk_tcl_breakpoint %s %d", action, b->number); |
754e5da2 | 435 | |
6131622e | 436 | v = Tcl_Eval (interp, buf); |
754e5da2 SG |
437 | |
438 | if (v != TCL_OK) | |
439 | { | |
546b8ca7 SG |
440 | gdbtk_fputs (interp->result, gdb_stdout); |
441 | gdbtk_fputs ("\n", gdb_stdout); | |
754e5da2 | 442 | } |
754e5da2 SG |
443 | } |
444 | ||
445 | static void | |
446 | gdbtk_create_breakpoint(b) | |
447 | struct breakpoint *b; | |
448 | { | |
6131622e | 449 | breakpoint_notify (b, "create"); |
754e5da2 SG |
450 | } |
451 | ||
452 | static void | |
453 | gdbtk_delete_breakpoint(b) | |
454 | struct breakpoint *b; | |
455 | { | |
6131622e | 456 | breakpoint_notify (b, "delete"); |
754e5da2 SG |
457 | } |
458 | ||
459 | static void | |
6131622e | 460 | gdbtk_modify_breakpoint(b) |
754e5da2 SG |
461 | struct breakpoint *b; |
462 | { | |
6131622e | 463 | breakpoint_notify (b, "modify"); |
754e5da2 SG |
464 | } |
465 | \f | |
466 | /* This implements the TCL command `gdb_loc', which returns a list consisting | |
467 | of the source and line number associated with the current pc. */ | |
468 | ||
469 | static int | |
470 | gdb_loc (clientData, interp, argc, argv) | |
471 | ClientData clientData; | |
472 | Tcl_Interp *interp; | |
473 | int argc; | |
474 | char *argv[]; | |
475 | { | |
476 | char *filename; | |
754e5da2 SG |
477 | struct symtab_and_line sal; |
478 | char *funcname; | |
8532893d | 479 | CORE_ADDR pc; |
754e5da2 SG |
480 | |
481 | if (argc == 1) | |
482 | { | |
1dfc8dfb | 483 | pc = selected_frame ? selected_frame->pc : stop_pc; |
754e5da2 SG |
484 | sal = find_pc_line (pc, 0); |
485 | } | |
486 | else if (argc == 2) | |
487 | { | |
754e5da2 | 488 | struct symtabs_and_lines sals; |
8532893d | 489 | int nelts; |
754e5da2 SG |
490 | |
491 | sals = decode_line_spec (argv[1], 1); | |
492 | ||
8532893d SG |
493 | nelts = sals.nelts; |
494 | sal = sals.sals[0]; | |
495 | free (sals.sals); | |
496 | ||
754e5da2 | 497 | if (sals.nelts != 1) |
6131622e | 498 | error ("Ambiguous line spec"); |
754e5da2 | 499 | |
8532893d | 500 | pc = sal.pc; |
754e5da2 SG |
501 | } |
502 | else | |
6131622e | 503 | error ("wrong # args"); |
754e5da2 | 504 | |
754e5da2 | 505 | if (sal.symtab) |
6131622e | 506 | Tcl_DStringAppendElement (result_ptr, sal.symtab->filename); |
754e5da2 | 507 | else |
6131622e | 508 | Tcl_DStringAppendElement (result_ptr, ""); |
8532893d SG |
509 | |
510 | find_pc_partial_function (pc, &funcname, NULL, NULL); | |
6131622e | 511 | Tcl_DStringAppendElement (result_ptr, funcname); |
8532893d | 512 | |
637b1661 | 513 | filename = symtab_to_filename (sal.symtab); |
6131622e | 514 | Tcl_DStringAppendElement (result_ptr, filename); |
8532893d | 515 | |
9468f8aa | 516 | dsprintf_append_element (result_ptr, "%d", sal.line); /* line number */ |
754e5da2 | 517 | |
78b9b170 | 518 | dsprintf_append_element (result_ptr, "0x%s", paddr_nz(pc)); /* PC */ |
8532893d | 519 | |
754e5da2 SG |
520 | return TCL_OK; |
521 | } | |
522 | \f | |
09722039 SG |
523 | /* This implements the TCL command `gdb_eval'. */ |
524 | ||
525 | static int | |
526 | gdb_eval (clientData, interp, argc, argv) | |
527 | ClientData clientData; | |
528 | Tcl_Interp *interp; | |
529 | int argc; | |
530 | char *argv[]; | |
531 | { | |
532 | struct expression *expr; | |
533 | struct cleanup *old_chain; | |
534 | value_ptr val; | |
535 | ||
536 | if (argc != 2) | |
6131622e | 537 | error ("wrong # args"); |
09722039 SG |
538 | |
539 | expr = parse_expression (argv[1]); | |
540 | ||
541 | old_chain = make_cleanup (free_current_contents, &expr); | |
542 | ||
543 | val = evaluate_expression (expr); | |
544 | ||
09722039 SG |
545 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), |
546 | gdb_stdout, 0, 0, 0, 0); | |
09722039 SG |
547 | |
548 | do_cleanups (old_chain); | |
549 | ||
550 | return TCL_OK; | |
551 | } | |
552 | \f | |
5b21fb68 SG |
553 | /* This implements the TCL command `gdb_sourcelines', which returns a list of |
554 | all of the lines containing executable code for the specified source file | |
555 | (ie: lines where you can put breakpoints). */ | |
556 | ||
557 | static int | |
558 | gdb_sourcelines (clientData, interp, argc, argv) | |
559 | ClientData clientData; | |
560 | Tcl_Interp *interp; | |
561 | int argc; | |
562 | char *argv[]; | |
563 | { | |
564 | struct symtab *symtab; | |
565 | struct linetable_entry *le; | |
566 | int nlines; | |
5b21fb68 SG |
567 | |
568 | if (argc != 2) | |
6131622e | 569 | error ("wrong # args"); |
5b21fb68 SG |
570 | |
571 | symtab = lookup_symtab (argv[1]); | |
572 | ||
573 | if (!symtab) | |
6131622e | 574 | error ("No such file"); |
5b21fb68 SG |
575 | |
576 | /* If there's no linetable, or no entries, then we are done. */ | |
577 | ||
578 | if (!symtab->linetable | |
579 | || symtab->linetable->nitems == 0) | |
580 | { | |
6131622e | 581 | Tcl_DStringAppendElement (result_ptr, ""); |
5b21fb68 SG |
582 | return TCL_OK; |
583 | } | |
584 | ||
585 | le = symtab->linetable->item; | |
586 | nlines = symtab->linetable->nitems; | |
587 | ||
588 | for (;nlines > 0; nlines--, le++) | |
589 | { | |
590 | /* If the pc of this line is the same as the pc of the next line, then | |
591 | just skip it. */ | |
592 | if (nlines > 1 | |
593 | && le->pc == (le + 1)->pc) | |
594 | continue; | |
595 | ||
9468f8aa | 596 | dsprintf_append_element (result_ptr, "%d", le->line); |
5b21fb68 SG |
597 | } |
598 | ||
599 | return TCL_OK; | |
600 | } | |
601 | \f | |
746d1df4 SG |
602 | static int |
603 | map_arg_registers (argc, argv, func, argp) | |
604 | int argc; | |
605 | char *argv[]; | |
6131622e | 606 | void (*func) PARAMS ((int regnum, void *argp)); |
746d1df4 SG |
607 | void *argp; |
608 | { | |
609 | int regnum; | |
610 | ||
611 | /* Note that the test for a valid register must include checking the | |
612 | reg_names array because NUM_REGS may be allocated for the union of the | |
613 | register sets within a family of related processors. In this case, the | |
614 | trailing entries of reg_names will change depending upon the particular | |
615 | processor being debugged. */ | |
616 | ||
617 | if (argc == 0) /* No args, just do all the regs */ | |
618 | { | |
619 | for (regnum = 0; | |
620 | regnum < NUM_REGS | |
621 | && reg_names[regnum] != NULL | |
622 | && *reg_names[regnum] != '\000'; | |
623 | regnum++) | |
624 | func (regnum, argp); | |
625 | ||
626 | return TCL_OK; | |
627 | } | |
628 | ||
629 | /* Else, list of register #s, just do listed regs */ | |
630 | for (; argc > 0; argc--, argv++) | |
631 | { | |
632 | regnum = atoi (*argv); | |
633 | ||
634 | if (regnum >= 0 | |
635 | && regnum < NUM_REGS | |
636 | && reg_names[regnum] != NULL | |
637 | && *reg_names[regnum] != '\000') | |
638 | func (regnum, argp); | |
639 | else | |
6131622e | 640 | error ("bad register number"); |
746d1df4 SG |
641 | } |
642 | ||
643 | return TCL_OK; | |
644 | } | |
645 | ||
6131622e | 646 | static void |
746d1df4 SG |
647 | get_register_name (regnum, argp) |
648 | int regnum; | |
649 | void *argp; /* Ignored */ | |
650 | { | |
6131622e | 651 | Tcl_DStringAppendElement (result_ptr, reg_names[regnum]); |
746d1df4 SG |
652 | } |
653 | ||
5b21fb68 SG |
654 | /* This implements the TCL command `gdb_regnames', which returns a list of |
655 | all of the register names. */ | |
656 | ||
657 | static int | |
658 | gdb_regnames (clientData, interp, argc, argv) | |
659 | ClientData clientData; | |
660 | Tcl_Interp *interp; | |
661 | int argc; | |
662 | char *argv[]; | |
663 | { | |
746d1df4 SG |
664 | argc--; |
665 | argv++; | |
666 | ||
b607efe7 | 667 | return map_arg_registers (argc, argv, get_register_name, NULL); |
746d1df4 SG |
668 | } |
669 | ||
746d1df4 SG |
670 | #ifndef REGISTER_CONVERTIBLE |
671 | #define REGISTER_CONVERTIBLE(x) (0 != 0) | |
672 | #endif | |
673 | ||
674 | #ifndef REGISTER_CONVERT_TO_VIRTUAL | |
675 | #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) | |
676 | #endif | |
677 | ||
678 | #ifndef INVALID_FLOAT | |
679 | #define INVALID_FLOAT(x, y) (0 != 0) | |
680 | #endif | |
681 | ||
6131622e | 682 | static void |
746d1df4 | 683 | get_register (regnum, fp) |
6131622e | 684 | int regnum; |
746d1df4 SG |
685 | void *fp; |
686 | { | |
687 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
688 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
689 | int format = (int)fp; | |
690 | ||
691 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
692 | { | |
6131622e | 693 | Tcl_DStringAppendElement (result_ptr, "Optimized out"); |
746d1df4 SG |
694 | return; |
695 | } | |
696 | ||
746d1df4 SG |
697 | /* Convert raw data to virtual format if necessary. */ |
698 | ||
699 | if (REGISTER_CONVERTIBLE (regnum)) | |
700 | { | |
701 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
702 | raw_buffer, virtual_buffer); | |
703 | } | |
704 | else | |
705 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
706 | ||
3d9f68c0 FF |
707 | if (format == 'r') |
708 | { | |
709 | int j; | |
710 | printf_filtered ("0x"); | |
711 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) | |
712 | { | |
713 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j | |
714 | : REGISTER_RAW_SIZE (regnum) - 1 - j; | |
715 | printf_filtered ("%02x", (unsigned char)raw_buffer[idx]); | |
716 | } | |
717 | } | |
718 | else | |
719 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, | |
720 | gdb_stdout, format, 1, 0, Val_pretty_default); | |
746d1df4 | 721 | |
6131622e | 722 | Tcl_DStringAppend (result_ptr, " ", -1); |
746d1df4 SG |
723 | } |
724 | ||
725 | static int | |
726 | gdb_fetch_registers (clientData, interp, argc, argv) | |
727 | ClientData clientData; | |
728 | Tcl_Interp *interp; | |
729 | int argc; | |
730 | char *argv[]; | |
731 | { | |
732 | int format; | |
733 | ||
734 | if (argc < 2) | |
6131622e | 735 | error ("wrong # args"); |
5b21fb68 | 736 | |
746d1df4 SG |
737 | argc--; |
738 | argv++; | |
5b21fb68 | 739 | |
746d1df4 SG |
740 | argc--; |
741 | format = **argv++; | |
742 | ||
b607efe7 | 743 | return map_arg_registers (argc, argv, get_register, (void *) format); |
746d1df4 SG |
744 | } |
745 | ||
746 | /* This contains the previous values of the registers, since the last call to | |
747 | gdb_changed_register_list. */ | |
748 | ||
749 | static char old_regs[REGISTER_BYTES]; | |
750 | ||
6131622e | 751 | static void |
746d1df4 | 752 | register_changed_p (regnum, argp) |
6131622e | 753 | int regnum; |
746d1df4 SG |
754 | void *argp; /* Ignored */ |
755 | { | |
756 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
746d1df4 SG |
757 | |
758 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
759 | return; | |
760 | ||
761 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
762 | REGISTER_RAW_SIZE (regnum)) == 0) | |
763 | return; | |
764 | ||
fda6fadc | 765 | /* Found a changed register. Save new value and return its number. */ |
746d1df4 SG |
766 | |
767 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
768 | REGISTER_RAW_SIZE (regnum)); | |
769 | ||
9468f8aa | 770 | dsprintf_append_element (result_ptr, "%d", regnum); |
746d1df4 SG |
771 | } |
772 | ||
773 | static int | |
774 | gdb_changed_register_list (clientData, interp, argc, argv) | |
775 | ClientData clientData; | |
776 | Tcl_Interp *interp; | |
777 | int argc; | |
778 | char *argv[]; | |
779 | { | |
746d1df4 SG |
780 | argc--; |
781 | argv++; | |
782 | ||
783 | return map_arg_registers (argc, argv, register_changed_p, NULL); | |
5b21fb68 SG |
784 | } |
785 | \f | |
fda6fadc | 786 | /* This implements the TCL command `gdb_cmd', which sends its argument into |
754e5da2 SG |
787 | the GDB command scanner. */ |
788 | ||
789 | static int | |
790 | gdb_cmd (clientData, interp, argc, argv) | |
791 | ClientData clientData; | |
792 | Tcl_Interp *interp; | |
793 | int argc; | |
794 | char *argv[]; | |
795 | { | |
754e5da2 | 796 | if (argc != 2) |
6131622e | 797 | error ("wrong # args"); |
754e5da2 | 798 | |
fda6fadc SS |
799 | if (running_now) |
800 | return TCL_OK; | |
801 | ||
86db943c | 802 | execute_command (argv[1], 1); |
479f0f18 | 803 | |
754e5da2 | 804 | bpstat_do_actions (&stop_bpstat); |
754e5da2 | 805 | |
754e5da2 SG |
806 | return TCL_OK; |
807 | } | |
808 | ||
86db943c SG |
809 | /* This routine acts as a top-level for all GDB code called by tcl/Tk. It |
810 | handles cleanups, and calls to return_to_top_level (usually via error). | |
811 | This is necessary in order to prevent a longjmp out of the bowels of Tk, | |
812 | possibly leaving things in a bad state. Since this routine can be called | |
813 | recursively, it needs to save and restore the contents of the jmp_buf as | |
814 | necessary. */ | |
815 | ||
816 | static int | |
817 | call_wrapper (clientData, interp, argc, argv) | |
818 | ClientData clientData; | |
819 | Tcl_Interp *interp; | |
820 | int argc; | |
821 | char *argv[]; | |
822 | { | |
823 | int val; | |
824 | struct cleanup *saved_cleanup_chain; | |
825 | Tcl_CmdProc *func; | |
826 | jmp_buf saved_error_return; | |
6131622e SG |
827 | Tcl_DString result, *old_result_ptr; |
828 | ||
829 | Tcl_DStringInit (&result); | |
830 | old_result_ptr = result_ptr; | |
831 | result_ptr = &result; | |
86db943c SG |
832 | |
833 | func = (Tcl_CmdProc *)clientData; | |
834 | memcpy (saved_error_return, error_return, sizeof (jmp_buf)); | |
835 | ||
836 | saved_cleanup_chain = save_cleanups (); | |
837 | ||
838 | if (!setjmp (error_return)) | |
839 | val = func (clientData, interp, argc, argv); | |
840 | else | |
841 | { | |
842 | val = TCL_ERROR; /* Flag an error for TCL */ | |
843 | ||
86db943c SG |
844 | gdb_flush (gdb_stderr); /* Flush error output */ |
845 | ||
09722039 SG |
846 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
847 | ||
fda6fadc SS |
848 | /* In case of an error, we may need to force the GUI into idle |
849 | mode because gdbtk_call_command may have bombed out while in | |
850 | the command routine. */ | |
86db943c | 851 | |
40dffa42 | 852 | running_now = 0; |
4e327047 | 853 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
86db943c SG |
854 | } |
855 | ||
856 | do_cleanups (ALL_CLEANUPS); | |
857 | ||
858 | restore_cleanups (saved_cleanup_chain); | |
859 | ||
860 | memcpy (error_return, saved_error_return, sizeof (jmp_buf)); | |
861 | ||
6131622e SG |
862 | Tcl_DStringResult (interp, &result); |
863 | result_ptr = old_result_ptr; | |
864 | ||
86db943c SG |
865 | return val; |
866 | } | |
867 | ||
754e5da2 SG |
868 | static int |
869 | gdb_listfiles (clientData, interp, argc, argv) | |
870 | ClientData clientData; | |
871 | Tcl_Interp *interp; | |
872 | int argc; | |
873 | char *argv[]; | |
874 | { | |
754e5da2 SG |
875 | struct objfile *objfile; |
876 | struct partial_symtab *psymtab; | |
546b8ca7 | 877 | struct symtab *symtab; |
754e5da2 SG |
878 | |
879 | ALL_PSYMTABS (objfile, psymtab) | |
6131622e | 880 | Tcl_DStringAppendElement (result_ptr, psymtab->filename); |
754e5da2 | 881 | |
546b8ca7 | 882 | ALL_SYMTABS (objfile, symtab) |
6131622e | 883 | Tcl_DStringAppendElement (result_ptr, symtab->filename); |
546b8ca7 | 884 | |
754e5da2 SG |
885 | return TCL_OK; |
886 | } | |
479f0f18 SG |
887 | |
888 | static int | |
889 | gdb_stop (clientData, interp, argc, argv) | |
890 | ClientData clientData; | |
891 | Tcl_Interp *interp; | |
892 | int argc; | |
893 | char *argv[]; | |
894 | { | |
6c27841f | 895 | target_stop (); |
546b8ca7 SG |
896 | |
897 | return TCL_OK; | |
479f0f18 | 898 | } |
09722039 SG |
899 | \f |
900 | /* This implements the TCL command `gdb_disassemble'. */ | |
479f0f18 | 901 | |
09722039 SG |
902 | static int |
903 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) | |
904 | bfd_vma memaddr; | |
905 | bfd_byte *myaddr; | |
906 | int len; | |
907 | disassemble_info *info; | |
908 | { | |
909 | extern struct target_ops exec_ops; | |
910 | int res; | |
911 | ||
912 | errno = 0; | |
913 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); | |
914 | ||
915 | if (res == len) | |
916 | return 0; | |
917 | else | |
918 | if (errno == 0) | |
919 | return EIO; | |
920 | else | |
921 | return errno; | |
922 | } | |
923 | ||
924 | /* We need a different sort of line table from the normal one cuz we can't | |
925 | depend upon implicit line-end pc's for lines. This is because of the | |
926 | reordering we are about to do. */ | |
927 | ||
928 | struct my_line_entry { | |
929 | int line; | |
930 | CORE_ADDR start_pc; | |
931 | CORE_ADDR end_pc; | |
932 | }; | |
933 | ||
934 | static int | |
935 | compare_lines (mle1p, mle2p) | |
936 | const PTR mle1p; | |
937 | const PTR mle2p; | |
938 | { | |
939 | struct my_line_entry *mle1, *mle2; | |
940 | int val; | |
941 | ||
942 | mle1 = (struct my_line_entry *) mle1p; | |
943 | mle2 = (struct my_line_entry *) mle2p; | |
944 | ||
945 | val = mle1->line - mle2->line; | |
946 | ||
947 | if (val != 0) | |
948 | return val; | |
949 | ||
950 | return mle1->start_pc - mle2->start_pc; | |
951 | } | |
952 | ||
953 | static int | |
954 | gdb_disassemble (clientData, interp, argc, argv) | |
955 | ClientData clientData; | |
956 | Tcl_Interp *interp; | |
957 | int argc; | |
958 | char *argv[]; | |
959 | { | |
960 | CORE_ADDR pc, low, high; | |
961 | int mixed_source_and_assembly; | |
fc941258 DE |
962 | static disassemble_info di; |
963 | static int di_initialized; | |
964 | ||
965 | if (! di_initialized) | |
966 | { | |
91550191 SG |
967 | INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout, |
968 | (fprintf_ftype) fprintf_unfiltered); | |
caeec767 | 969 | di.flavour = bfd_target_unknown_flavour; |
fc941258 DE |
970 | di.memory_error_func = dis_asm_memory_error; |
971 | di.print_address_func = dis_asm_print_address; | |
972 | di_initialized = 1; | |
973 | } | |
09722039 | 974 | |
91550191 SG |
975 | di.mach = tm_print_insn_info.mach; |
976 | if (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
977 | tm_print_insn_info.endian = BFD_ENDIAN_BIG; | |
978 | else | |
979 | tm_print_insn_info.endian = BFD_ENDIAN_LITTLE; | |
980 | ||
09722039 | 981 | if (argc != 3 && argc != 4) |
6131622e | 982 | error ("wrong # args"); |
09722039 SG |
983 | |
984 | if (strcmp (argv[1], "source") == 0) | |
985 | mixed_source_and_assembly = 1; | |
986 | else if (strcmp (argv[1], "nosource") == 0) | |
987 | mixed_source_and_assembly = 0; | |
988 | else | |
6131622e | 989 | error ("First arg must be 'source' or 'nosource'"); |
09722039 SG |
990 | |
991 | low = parse_and_eval_address (argv[2]); | |
992 | ||
993 | if (argc == 3) | |
994 | { | |
995 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) | |
6131622e | 996 | error ("No function contains specified address"); |
09722039 SG |
997 | } |
998 | else | |
999 | high = parse_and_eval_address (argv[3]); | |
1000 | ||
1001 | /* If disassemble_from_exec == -1, then we use the following heuristic to | |
1002 | determine whether or not to do disassembly from target memory or from the | |
1003 | exec file: | |
1004 | ||
1005 | If we're debugging a local process, read target memory, instead of the | |
1006 | exec file. This makes disassembly of functions in shared libs work | |
1007 | correctly. | |
1008 | ||
1009 | Else, we're debugging a remote process, and should disassemble from the | |
fda6fadc | 1010 | exec file for speed. However, this is no good if the target modifies its |
09722039 SG |
1011 | code (for relocation, or whatever). |
1012 | */ | |
1013 | ||
1014 | if (disassemble_from_exec == -1) | |
1015 | if (strcmp (target_shortname, "child") == 0 | |
d7c4766c SS |
1016 | || strcmp (target_shortname, "procfs") == 0 |
1017 | || strcmp (target_shortname, "vxprocess") == 0) | |
09722039 SG |
1018 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
1019 | else | |
1020 | disassemble_from_exec = 1; /* It's remote, read the exec file */ | |
1021 | ||
1022 | if (disassemble_from_exec) | |
a76ef70a SG |
1023 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
1024 | else | |
1025 | di.read_memory_func = dis_asm_read_memory; | |
09722039 SG |
1026 | |
1027 | /* If just doing straight assembly, all we need to do is disassemble | |
1028 | everything between low and high. If doing mixed source/assembly, we've | |
1029 | got a totally different path to follow. */ | |
1030 | ||
1031 | if (mixed_source_and_assembly) | |
1032 | { /* Come here for mixed source/assembly */ | |
1033 | /* The idea here is to present a source-O-centric view of a function to | |
1034 | the user. This means that things are presented in source order, with | |
1035 | (possibly) out of order assembly immediately following. */ | |
1036 | struct symtab *symtab; | |
1037 | struct linetable_entry *le; | |
1038 | int nlines; | |
c81a3fa9 | 1039 | int newlines; |
09722039 SG |
1040 | struct my_line_entry *mle; |
1041 | struct symtab_and_line sal; | |
1042 | int i; | |
1043 | int out_of_order; | |
c81a3fa9 | 1044 | int next_line; |
09722039 SG |
1045 | |
1046 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ | |
1047 | ||
1048 | if (!symtab) | |
1049 | goto assembly_only; | |
1050 | ||
1051 | /* First, convert the linetable to a bunch of my_line_entry's. */ | |
1052 | ||
1053 | le = symtab->linetable->item; | |
1054 | nlines = symtab->linetable->nitems; | |
1055 | ||
1056 | if (nlines <= 0) | |
1057 | goto assembly_only; | |
1058 | ||
1059 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); | |
1060 | ||
1061 | out_of_order = 0; | |
1062 | ||
c81a3fa9 SG |
1063 | /* Copy linetable entries for this function into our data structure, creating |
1064 | end_pc's and setting out_of_order as appropriate. */ | |
1065 | ||
1066 | /* First, skip all the preceding functions. */ | |
1067 | ||
1068 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; | |
1069 | ||
1070 | /* Now, copy all entries before the end of this function. */ | |
1071 | ||
1072 | newlines = 0; | |
1073 | for (; i < nlines - 1 && le[i].pc < high; i++) | |
09722039 | 1074 | { |
c81a3fa9 SG |
1075 | if (le[i].line == le[i + 1].line |
1076 | && le[i].pc == le[i + 1].pc) | |
1077 | continue; /* Ignore duplicates */ | |
1078 | ||
1079 | mle[newlines].line = le[i].line; | |
09722039 SG |
1080 | if (le[i].line > le[i + 1].line) |
1081 | out_of_order = 1; | |
c81a3fa9 SG |
1082 | mle[newlines].start_pc = le[i].pc; |
1083 | mle[newlines].end_pc = le[i + 1].pc; | |
1084 | newlines++; | |
09722039 SG |
1085 | } |
1086 | ||
c81a3fa9 SG |
1087 | /* If we're on the last line, and it's part of the function, then we need to |
1088 | get the end pc in a special way. */ | |
1089 | ||
1090 | if (i == nlines - 1 | |
1091 | && le[i].pc < high) | |
1092 | { | |
1093 | mle[newlines].line = le[i].line; | |
1094 | mle[newlines].start_pc = le[i].pc; | |
1095 | sal = find_pc_line (le[i].pc, 0); | |
1096 | mle[newlines].end_pc = sal.end; | |
1097 | newlines++; | |
1098 | } | |
09722039 SG |
1099 | |
1100 | /* Now, sort mle by line #s (and, then by addresses within lines). */ | |
1101 | ||
1102 | if (out_of_order) | |
c81a3fa9 | 1103 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
09722039 SG |
1104 | |
1105 | /* Now, for each line entry, emit the specified lines (unless they have been | |
1106 | emitted before), followed by the assembly code for that line. */ | |
1107 | ||
c81a3fa9 SG |
1108 | next_line = 0; /* Force out first line */ |
1109 | for (i = 0; i < newlines; i++) | |
09722039 | 1110 | { |
c81a3fa9 SG |
1111 | /* Print out everything from next_line to the current line. */ |
1112 | ||
1113 | if (mle[i].line >= next_line) | |
09722039 | 1114 | { |
c81a3fa9 SG |
1115 | if (next_line != 0) |
1116 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); | |
09722039 | 1117 | else |
c81a3fa9 SG |
1118 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
1119 | ||
1120 | next_line = mle[i].line + 1; | |
09722039 | 1121 | } |
c81a3fa9 | 1122 | |
09722039 SG |
1123 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
1124 | { | |
1125 | QUIT; | |
1126 | fputs_unfiltered (" ", gdb_stdout); | |
1127 | print_address (pc, gdb_stdout); | |
1128 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1129 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1130 | fputs_unfiltered ("\n", gdb_stdout); |
1131 | } | |
1132 | } | |
1133 | } | |
1134 | else | |
1135 | { | |
1136 | assembly_only: | |
1137 | for (pc = low; pc < high; ) | |
1138 | { | |
1139 | QUIT; | |
1140 | fputs_unfiltered (" ", gdb_stdout); | |
1141 | print_address (pc, gdb_stdout); | |
1142 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1143 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1144 | fputs_unfiltered ("\n", gdb_stdout); |
1145 | } | |
1146 | } | |
1147 | ||
09722039 SG |
1148 | gdb_flush (gdb_stdout); |
1149 | ||
1150 | return TCL_OK; | |
1151 | } | |
754e5da2 SG |
1152 | \f |
1153 | static void | |
1154 | tk_command (cmd, from_tty) | |
1155 | char *cmd; | |
1156 | int from_tty; | |
1157 | { | |
546b8ca7 SG |
1158 | int retval; |
1159 | char *result; | |
1160 | struct cleanup *old_chain; | |
1161 | ||
572977a5 FF |
1162 | /* Catch case of no argument, since this will make the tcl interpreter dump core. */ |
1163 | if (cmd == NULL) | |
1164 | error_no_arg ("tcl command to interpret"); | |
1165 | ||
546b8ca7 SG |
1166 | retval = Tcl_Eval (interp, cmd); |
1167 | ||
1168 | result = strdup (interp->result); | |
754e5da2 | 1169 | |
546b8ca7 SG |
1170 | old_chain = make_cleanup (free, result); |
1171 | ||
1172 | if (retval != TCL_OK) | |
1173 | error (result); | |
1174 | ||
1175 | printf_unfiltered ("%s\n", result); | |
1176 | ||
1177 | do_cleanups (old_chain); | |
754e5da2 SG |
1178 | } |
1179 | ||
1180 | static void | |
1181 | cleanup_init (ignored) | |
1182 | int ignored; | |
1183 | { | |
754e5da2 SG |
1184 | if (interp != NULL) |
1185 | Tcl_DeleteInterp (interp); | |
1186 | interp = NULL; | |
1187 | } | |
1188 | ||
637b1661 SG |
1189 | /* Come here during long calculations to check for GUI events. Usually invoked |
1190 | via the QUIT macro. */ | |
1191 | ||
1192 | static void | |
1193 | gdbtk_interactive () | |
1194 | { | |
1195 | /* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */ | |
1196 | } | |
1197 | ||
479f0f18 SG |
1198 | /* Come here when there is activity on the X file descriptor. */ |
1199 | ||
1200 | static void | |
1201 | x_event (signo) | |
1202 | int signo; | |
1203 | { | |
1204 | /* Process pending events */ | |
1205 | ||
f02156cf | 1206 | while (Tcl_DoOneEvent (TCL_DONT_WAIT|TCL_ALL_EVENTS) != 0); |
479f0f18 SG |
1207 | } |
1208 | ||
1209 | static int | |
1210 | gdbtk_wait (pid, ourstatus) | |
1211 | int pid; | |
1212 | struct target_waitstatus *ourstatus; | |
1213 | { | |
736a82e7 SG |
1214 | struct sigaction action; |
1215 | static sigset_t nullsigmask = {0}; | |
1216 | ||
1217 | #ifndef SA_RESTART | |
1218 | /* Needed for SunOS 4.1.x */ | |
1219 | #define SA_RESTART 0 | |
546b8ca7 | 1220 | #endif |
479f0f18 | 1221 | |
736a82e7 SG |
1222 | action.sa_handler = x_event; |
1223 | action.sa_mask = nullsigmask; | |
1224 | action.sa_flags = SA_RESTART; | |
8a19b35a | 1225 | #ifndef WINNT |
736a82e7 | 1226 | sigaction(SIGIO, &action, NULL); |
8a19b35a | 1227 | #endif |
736a82e7 | 1228 | |
479f0f18 SG |
1229 | pid = target_wait (pid, ourstatus); |
1230 | ||
736a82e7 | 1231 | action.sa_handler = SIG_IGN; |
8a19b35a MH |
1232 | #ifndef WINNT |
1233 | sigaction(SIGIO, &action, NULL); | |
1234 | #endif | |
479f0f18 SG |
1235 | |
1236 | return pid; | |
1237 | } | |
1238 | ||
1239 | /* This is called from execute_command, and provides a wrapper around | |
1240 | various command routines in a place where both protocol messages and | |
1241 | user input both flow through. Mostly this is used for indicating whether | |
1242 | the target process is running or not. | |
1243 | */ | |
1244 | ||
1245 | static void | |
1246 | gdbtk_call_command (cmdblk, arg, from_tty) | |
1247 | struct cmd_list_element *cmdblk; | |
1248 | char *arg; | |
1249 | int from_tty; | |
1250 | { | |
fda6fadc | 1251 | running_now = 0; |
479f0f18 SG |
1252 | if (cmdblk->class == class_run) |
1253 | { | |
fda6fadc | 1254 | running_now = 1; |
4e327047 | 1255 | Tcl_Eval (interp, "gdbtk_tcl_busy"); |
479f0f18 | 1256 | (*cmdblk->function.cfunc)(arg, from_tty); |
4e327047 | 1257 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
fda6fadc | 1258 | running_now = 0; |
479f0f18 SG |
1259 | } |
1260 | else | |
1261 | (*cmdblk->function.cfunc)(arg, from_tty); | |
1262 | } | |
1263 | ||
5bac2b50 FF |
1264 | /* This function is called instead of gdb's internal command loop. This is the |
1265 | last chance to do anything before entering the main Tk event loop. */ | |
1266 | ||
1267 | static void | |
1268 | tk_command_loop () | |
1269 | { | |
41756e56 FF |
1270 | extern GDB_FILE *instream; |
1271 | ||
1272 | /* We no longer want to use stdin as the command input stream */ | |
1273 | instream = NULL; | |
5bac2b50 FF |
1274 | Tcl_Eval (interp, "gdbtk_tcl_preloop"); |
1275 | Tk_MainLoop (); | |
1276 | } | |
1277 | ||
754e5da2 SG |
1278 | static void |
1279 | gdbtk_init () | |
1280 | { | |
1281 | struct cleanup *old_chain; | |
8a19b35a MH |
1282 | char *lib, *gdbtk_lib, gdbtk_lib_tmp[1024],gdbtk_file[128]; |
1283 | int i, found_main; | |
736a82e7 SG |
1284 | struct sigaction action; |
1285 | static sigset_t nullsigmask = {0}; | |
754e5da2 | 1286 | |
fe58c81f FF |
1287 | /* If there is no DISPLAY environment variable, Tk_Init below will fail, |
1288 | causing gdb to abort. If instead we simply return here, gdb will | |
1289 | gracefully degrade to using the command line interface. */ | |
1290 | ||
8a19b35a | 1291 | #ifndef WINNT |
fe58c81f FF |
1292 | if (getenv ("DISPLAY") == NULL) |
1293 | return; | |
8a19b35a | 1294 | #endif |
fe58c81f | 1295 | |
754e5da2 SG |
1296 | old_chain = make_cleanup (cleanup_init, 0); |
1297 | ||
1298 | /* First init tcl and tk. */ | |
1299 | ||
1300 | interp = Tcl_CreateInterp (); | |
1301 | ||
1302 | if (!interp) | |
1303 | error ("Tcl_CreateInterp failed"); | |
1304 | ||
754e5da2 SG |
1305 | if (Tcl_Init(interp) != TCL_OK) |
1306 | error ("Tcl_Init failed: %s", interp->result); | |
1307 | ||
8a19b35a MH |
1308 | /* |
1309 | if (Itcl_Init(interp) == TCL_ERROR) | |
1310 | error ("Itcl_Init failed: %s", interp->result); | |
1311 | */ | |
1312 | ||
754e5da2 SG |
1313 | if (Tk_Init(interp) != TCL_OK) |
1314 | error ("Tk_Init failed: %s", interp->result); | |
1315 | ||
86db943c SG |
1316 | Tcl_CreateCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
1317 | Tcl_CreateCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); | |
8a19b35a | 1318 | Tcl_CreateCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL); |
86db943c SG |
1319 | Tcl_CreateCommand (interp, "gdb_sourcelines", call_wrapper, gdb_sourcelines, |
1320 | NULL); | |
1321 | Tcl_CreateCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, | |
746d1df4 | 1322 | NULL); |
86db943c SG |
1323 | Tcl_CreateCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
1324 | Tcl_CreateCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); | |
1325 | Tcl_CreateCommand (interp, "gdb_fetch_registers", call_wrapper, | |
1326 | gdb_fetch_registers, NULL); | |
1327 | Tcl_CreateCommand (interp, "gdb_changed_register_list", call_wrapper, | |
1328 | gdb_changed_register_list, NULL); | |
09722039 SG |
1329 | Tcl_CreateCommand (interp, "gdb_disassemble", call_wrapper, |
1330 | gdb_disassemble, NULL); | |
1331 | Tcl_CreateCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); | |
6131622e SG |
1332 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
1333 | gdb_get_breakpoint_list, NULL); | |
1334 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper, | |
1335 | gdb_get_breakpoint_info, NULL); | |
754e5da2 | 1336 | |
5bac2b50 | 1337 | command_loop_hook = tk_command_loop; |
b607efe7 FF |
1338 | print_frame_info_listing_hook = |
1339 | (void (*) PARAMS ((struct symtab *, int, int, int))) null_routine; | |
09722039 SG |
1340 | query_hook = gdbtk_query; |
1341 | flush_hook = gdbtk_flush; | |
1342 | create_breakpoint_hook = gdbtk_create_breakpoint; | |
1343 | delete_breakpoint_hook = gdbtk_delete_breakpoint; | |
6131622e | 1344 | modify_breakpoint_hook = gdbtk_modify_breakpoint; |
09722039 SG |
1345 | interactive_hook = gdbtk_interactive; |
1346 | target_wait_hook = gdbtk_wait; | |
1347 | call_command_hook = gdbtk_call_command; | |
41756e56 FF |
1348 | readline_begin_hook = gdbtk_readline_begin; |
1349 | readline_hook = gdbtk_readline; | |
1350 | readline_end_hook = gdbtk_readline_end; | |
754e5da2 | 1351 | |
cd2df226 | 1352 | /* Get the file descriptor for the X server */ |
479f0f18 | 1353 | |
047465fd | 1354 | x_fd = ConnectionNumber (Tk_Display (Tk_MainWindow (interp))); |
479f0f18 SG |
1355 | |
1356 | /* Setup for I/O interrupts */ | |
1357 | ||
736a82e7 SG |
1358 | action.sa_mask = nullsigmask; |
1359 | action.sa_flags = 0; | |
1360 | action.sa_handler = SIG_IGN; | |
8a19b35a | 1361 | #ifndef WINNT |
736a82e7 | 1362 | sigaction(SIGIO, &action, NULL); |
8a19b35a | 1363 | #endif |
736a82e7 SG |
1364 | |
1365 | #ifdef FIOASYNC | |
1366 | i = 1; | |
1367 | if (ioctl (x_fd, FIOASYNC, &i)) | |
1368 | perror_with_name ("gdbtk_init: ioctl FIOASYNC failed"); | |
479f0f18 | 1369 | |
77a89957 | 1370 | #ifdef SIOCSPGRP |
736a82e7 SG |
1371 | i = getpid(); |
1372 | if (ioctl (x_fd, SIOCSPGRP, &i)) | |
1373 | perror_with_name ("gdbtk_init: ioctl SIOCSPGRP failed"); | |
45f90c50 MM |
1374 | |
1375 | #else | |
1376 | #ifdef F_SETOWN | |
1377 | i = getpid(); | |
1378 | if (fcntl (x_fd, F_SETOWN, i)) | |
1379 | perror_with_name ("gdbtk_init: fcntl F_SETOWN failed"); | |
1380 | #endif /* F_SETOWN */ | |
1381 | #endif /* !SIOCSPGRP */ | |
546b8ca7 | 1382 | #else |
8a19b35a | 1383 | #ifndef WINNT |
546b8ca7 | 1384 | if (ioctl (x_fd, I_SETSIG, S_INPUT|S_RDNORM) < 0) |
736a82e7 | 1385 | perror_with_name ("gdbtk_init: ioctl I_SETSIG failed"); |
8a19b35a MH |
1386 | #endif |
1387 | ||
736a82e7 | 1388 | #endif /* ifndef FIOASYNC */ |
479f0f18 | 1389 | |
754e5da2 SG |
1390 | add_com ("tk", class_obscure, tk_command, |
1391 | "Send a command directly into tk."); | |
09722039 | 1392 | |
09722039 SG |
1393 | Tcl_LinkVar (interp, "disassemble-from-exec", (char *)&disassemble_from_exec, |
1394 | TCL_LINK_INT); | |
1395 | ||
8a19b35a | 1396 | /* find the gdb tcl library and source main.tcl */ |
09722039 | 1397 | |
8a19b35a MH |
1398 | gdbtk_lib = getenv ("GDBTK_LIBRARY"); |
1399 | if (!gdbtk_lib) | |
1400 | if (access ("gdbtcl/main.tcl", R_OK) == 0) | |
1401 | gdbtk_lib = "gdbtcl"; | |
09722039 | 1402 | else |
8a19b35a MH |
1403 | gdbtk_lib = GDBTK_LIBRARY; |
1404 | ||
1405 | strcpy (gdbtk_lib_tmp, gdbtk_lib); | |
1406 | found_main = 0; | |
1407 | /* see if GDBTK_LIBRARY is a path list */ | |
1408 | lib = strtok (gdbtk_lib_tmp, GDBTK_PATH_SEP); | |
1409 | do | |
1410 | { | |
1411 | if (Tcl_VarEval (interp, "lappend auto_path ", lib, NULL) != TCL_OK) | |
1412 | { | |
1413 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1414 | error (""); | |
1415 | } | |
1416 | if (!found_main) | |
1417 | { | |
1418 | strcpy (gdbtk_file, lib); | |
1419 | strcat (gdbtk_file, "/main.tcl"); | |
1420 | if (access (gdbtk_file, R_OK) == 0) | |
1421 | { | |
1422 | found_main++; | |
1423 | Tcl_SetVar (interp, "GDBTK_LIBRARY", lib, 0); | |
1424 | } | |
1425 | } | |
1426 | } | |
1427 | while (lib = strtok (NULL, ":")); | |
1428 | ||
1429 | if (!found_main) | |
1430 | { | |
1431 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1432 | if (getenv("GDBTK_LIBRARY")) | |
1433 | { | |
1434 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n",getenv("GDBTK_LIBRARY")); | |
1435 | fprintf_unfiltered (stderr, | |
1436 | "Please set GDBTK_LIBRARY to a path that includes the GDB tcl files.\n"); | |
1437 | } | |
1438 | else | |
1439 | { | |
1440 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n", GDBTK_LIBRARY); | |
1441 | fprintf_unfiltered (stderr, "You might want to set GDBTK_LIBRARY\n"); | |
1442 | } | |
1443 | error(""); | |
1444 | } | |
09722039 | 1445 | |
724498fd SG |
1446 | /* Defer setup of fputs_unfiltered_hook to near the end so that error messages |
1447 | prior to this point go to stdout/stderr. */ | |
1448 | ||
1449 | fputs_unfiltered_hook = gdbtk_fputs; | |
1450 | ||
8a19b35a | 1451 | if (Tcl_EvalFile (interp, gdbtk_file) != TCL_OK) |
724498fd SG |
1452 | { |
1453 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1454 | ||
8a19b35a | 1455 | fprintf_unfiltered (stderr, "%s:%d: %s\n", gdbtk_file, |
724498fd | 1456 | interp->errorLine, interp->result); |
b66051ec SG |
1457 | |
1458 | fputs_unfiltered ("Stack trace:\n", gdb_stderr); | |
1459 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1460 | error (""); | |
724498fd | 1461 | } |
09722039 SG |
1462 | |
1463 | discard_cleanups (old_chain); | |
754e5da2 SG |
1464 | } |
1465 | ||
3f37b696 | 1466 | /* Come here during initialize_all_files () */ |
754e5da2 SG |
1467 | |
1468 | void | |
1469 | _initialize_gdbtk () | |
1470 | { | |
c5197511 SG |
1471 | if (use_windows) |
1472 | { | |
1473 | /* Tell the rest of the world that Gdbtk is now set up. */ | |
754e5da2 | 1474 | |
c5197511 SG |
1475 | init_ui_hook = gdbtk_init; |
1476 | } | |
754e5da2 | 1477 | } |