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 | ||
8c19daa1 SG |
130 | /* Supply malloc calls for tcl/tk. */ |
131 | ||
132 | char * | |
a5a6e3bd | 133 | Tcl_Alloc (size) |
8c19daa1 SG |
134 | unsigned int size; |
135 | { | |
136 | return xmalloc (size); | |
137 | } | |
138 | ||
139 | char * | |
140 | Tcl_Realloc (ptr, size) | |
141 | char *ptr; | |
142 | unsigned int size; | |
143 | { | |
144 | return xrealloc (ptr, size); | |
145 | } | |
146 | ||
147 | void | |
148 | Tcl_Free(ptr) | |
149 | char *ptr; | |
150 | { | |
151 | free (ptr); | |
152 | } | |
153 | ||
754e5da2 SG |
154 | static void |
155 | null_routine(arg) | |
156 | int arg; | |
157 | { | |
158 | } | |
159 | ||
546b8ca7 SG |
160 | /* The following routines deal with stdout/stderr data, which is created by |
161 | {f}printf_{un}filtered and friends. gdbtk_fputs and gdbtk_flush are the | |
162 | lowest level of these routines and capture all output from the rest of GDB. | |
163 | Normally they present their data to tcl via callbacks to the following tcl | |
164 | routines: gdbtk_tcl_fputs, gdbtk_tcl_fputs_error, and gdbtk_flush. These | |
165 | in turn call tk routines to update the display. | |
86db943c | 166 | |
546b8ca7 SG |
167 | Under some circumstances, you may want to collect the output so that it can |
168 | be returned as the value of a tcl procedure. This can be done by | |
169 | surrounding the output routines with calls to start_saving_output and | |
170 | finish_saving_output. The saved data can then be retrieved with | |
171 | get_saved_output (but this must be done before the call to | |
172 | finish_saving_output). */ | |
86db943c | 173 | |
546b8ca7 | 174 | /* Dynamic string header for stdout. */ |
86db943c | 175 | |
6131622e | 176 | static Tcl_DString *result_ptr; |
754e5da2 | 177 | \f |
754e5da2 SG |
178 | static void |
179 | gdbtk_flush (stream) | |
180 | FILE *stream; | |
181 | { | |
6131622e | 182 | #if 0 |
86db943c SG |
183 | /* Force immediate screen update */ |
184 | ||
754e5da2 | 185 | Tcl_VarEval (interp, "gdbtk_tcl_flush", NULL); |
6131622e | 186 | #endif |
754e5da2 SG |
187 | } |
188 | ||
8532893d | 189 | static void |
86db943c | 190 | gdbtk_fputs (ptr, stream) |
8532893d | 191 | const char *ptr; |
86db943c | 192 | FILE *stream; |
8532893d | 193 | { |
fda6fadc | 194 | |
6131622e | 195 | if (result_ptr) |
45f90c50 | 196 | Tcl_DStringAppend (result_ptr, (char *)ptr, -1); |
6131622e | 197 | else |
86db943c | 198 | { |
6131622e | 199 | Tcl_DString str; |
86db943c | 200 | |
6131622e | 201 | Tcl_DStringInit (&str); |
8532893d | 202 | |
6131622e | 203 | Tcl_DStringAppend (&str, "gdbtk_tcl_fputs", -1); |
45f90c50 | 204 | Tcl_DStringAppendElement (&str, (char *)ptr); |
8532893d | 205 | |
6131622e SG |
206 | Tcl_Eval (interp, Tcl_DStringValue (&str)); |
207 | Tcl_DStringFree (&str); | |
208 | } | |
8532893d SG |
209 | } |
210 | ||
754e5da2 | 211 | static int |
85c613aa | 212 | gdbtk_query (query, args) |
b607efe7 | 213 | const char *query; |
754e5da2 SG |
214 | va_list args; |
215 | { | |
4e327047 TT |
216 | char buf[200], *merge[2]; |
217 | char *command; | |
754e5da2 SG |
218 | long val; |
219 | ||
6131622e | 220 | vsprintf (buf, query, args); |
4e327047 TT |
221 | merge[0] = "gdbtk_tcl_query"; |
222 | merge[1] = buf; | |
223 | command = Tcl_Merge (2, merge); | |
224 | Tcl_Eval (interp, command); | |
225 | free (command); | |
754e5da2 SG |
226 | |
227 | val = atol (interp->result); | |
228 | return val; | |
229 | } | |
41756e56 FF |
230 | |
231 | /* VARARGS */ | |
232 | static void | |
233 | #ifdef ANSI_PROTOTYPES | |
234 | gdbtk_readline_begin (char *format, ...) | |
235 | #else | |
236 | gdbtk_readline_begin (va_alist) | |
237 | va_dcl | |
238 | #endif | |
239 | { | |
240 | va_list args; | |
241 | char buf[200], *merge[2]; | |
242 | char *command; | |
243 | ||
244 | #ifdef ANSI_PROTOTYPES | |
245 | va_start (args, format); | |
246 | #else | |
247 | char *format; | |
248 | va_start (args); | |
249 | format = va_arg (args, char *); | |
250 | #endif | |
251 | ||
252 | vsprintf (buf, format, args); | |
253 | merge[0] = "gdbtk_tcl_readline_begin"; | |
254 | merge[1] = buf; | |
255 | command = Tcl_Merge (2, merge); | |
256 | Tcl_Eval (interp, command); | |
257 | free (command); | |
258 | } | |
259 | ||
260 | static char * | |
261 | gdbtk_readline (prompt) | |
262 | char *prompt; | |
263 | { | |
264 | char *merge[2]; | |
265 | char *command; | |
bd45f82f | 266 | int result; |
41756e56 FF |
267 | |
268 | merge[0] = "gdbtk_tcl_readline"; | |
269 | merge[1] = prompt; | |
270 | command = Tcl_Merge (2, merge); | |
bd45f82f TT |
271 | result = Tcl_Eval (interp, command); |
272 | free (command); | |
273 | if (result == TCL_OK) | |
41756e56 FF |
274 | { |
275 | return (strdup (interp -> result)); | |
276 | } | |
277 | else | |
278 | { | |
279 | gdbtk_fputs (interp -> result, gdb_stdout); | |
280 | gdbtk_fputs ("\n", gdb_stdout); | |
281 | return (NULL); | |
282 | } | |
283 | } | |
284 | ||
285 | static void | |
286 | gdbtk_readline_end () | |
287 | { | |
288 | Tcl_Eval (interp, "gdbtk_tcl_readline_end"); | |
289 | } | |
290 | ||
754e5da2 | 291 | \f |
6131622e | 292 | static void |
73d3dbd4 | 293 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
294 | dsprintf_append_element (Tcl_DString *dsp, char *format, ...) |
295 | #else | |
6131622e SG |
296 | dsprintf_append_element (va_alist) |
297 | va_dcl | |
85c613aa | 298 | #endif |
6131622e SG |
299 | { |
300 | va_list args; | |
85c613aa C |
301 | char buf[1024]; |
302 | ||
73d3dbd4 | 303 | #ifdef ANSI_PROTOTYPES |
85c613aa C |
304 | va_start (args, format); |
305 | #else | |
6131622e SG |
306 | Tcl_DString *dsp; |
307 | char *format; | |
6131622e SG |
308 | |
309 | va_start (args); | |
6131622e SG |
310 | dsp = va_arg (args, Tcl_DString *); |
311 | format = va_arg (args, char *); | |
85c613aa | 312 | #endif |
6131622e SG |
313 | |
314 | vsprintf (buf, format, args); | |
315 | ||
316 | Tcl_DStringAppendElement (dsp, buf); | |
317 | } | |
318 | ||
8a19b35a MH |
319 | static int |
320 | gdb_path_conv (clientData, interp, argc, argv) | |
321 | ClientData clientData; | |
322 | Tcl_Interp *interp; | |
323 | int argc; | |
324 | char *argv[]; | |
325 | { | |
326 | #ifdef WINNT | |
327 | char pathname[256], *ptr; | |
328 | if (argc != 2) | |
329 | error ("wrong # args"); | |
330 | cygwin32_conv_to_full_win32_path (argv[1], pathname); | |
331 | for (ptr = pathname; *ptr; ptr++) | |
332 | { | |
333 | if (*ptr == '\\') | |
334 | *ptr = '/'; | |
335 | } | |
336 | #else | |
337 | char *pathname = argv[1]; | |
338 | #endif | |
339 | Tcl_DStringAppend (result_ptr, pathname, strlen(pathname)); | |
340 | return TCL_OK; | |
341 | } | |
342 | ||
6131622e SG |
343 | static int |
344 | gdb_get_breakpoint_list (clientData, interp, argc, argv) | |
345 | ClientData clientData; | |
346 | Tcl_Interp *interp; | |
347 | int argc; | |
348 | char *argv[]; | |
349 | { | |
350 | struct breakpoint *b; | |
351 | extern struct breakpoint *breakpoint_chain; | |
352 | ||
353 | if (argc != 1) | |
354 | error ("wrong # args"); | |
355 | ||
356 | for (b = breakpoint_chain; b; b = b->next) | |
357 | if (b->type == bp_breakpoint) | |
358 | dsprintf_append_element (result_ptr, "%d", b->number); | |
359 | ||
360 | return TCL_OK; | |
361 | } | |
362 | ||
363 | static int | |
364 | gdb_get_breakpoint_info (clientData, interp, argc, argv) | |
365 | ClientData clientData; | |
366 | Tcl_Interp *interp; | |
367 | int argc; | |
368 | char *argv[]; | |
369 | { | |
370 | struct symtab_and_line sal; | |
371 | static char *bptypes[] = {"breakpoint", "hardware breakpoint", "until", | |
372 | "finish", "watchpoint", "hardware watchpoint", | |
373 | "read watchpoint", "access watchpoint", | |
374 | "longjmp", "longjmp resume", "step resume", | |
375 | "through sigtramp", "watchpoint scope", | |
376 | "call dummy" }; | |
27f1958c | 377 | static char *bpdisp[] = {"delete", "delstop", "disable", "donttouch"}; |
6131622e SG |
378 | struct command_line *cmd; |
379 | int bpnum; | |
380 | struct breakpoint *b; | |
381 | extern struct breakpoint *breakpoint_chain; | |
382 | ||
383 | if (argc != 2) | |
384 | error ("wrong # args"); | |
385 | ||
386 | bpnum = atoi (argv[1]); | |
387 | ||
388 | for (b = breakpoint_chain; b; b = b->next) | |
389 | if (b->number == bpnum) | |
390 | break; | |
391 | ||
9468f8aa | 392 | if (!b || b->type != bp_breakpoint) |
6131622e SG |
393 | error ("Breakpoint #%d does not exist", bpnum); |
394 | ||
6131622e SG |
395 | sal = find_pc_line (b->address, 0); |
396 | ||
397 | Tcl_DStringAppendElement (result_ptr, symtab_to_filename (sal.symtab)); | |
398 | dsprintf_append_element (result_ptr, "%d", sal.line); | |
399 | dsprintf_append_element (result_ptr, "0x%lx", b->address); | |
400 | Tcl_DStringAppendElement (result_ptr, bptypes[b->type]); | |
401 | Tcl_DStringAppendElement (result_ptr, b->enable == enabled ? "1" : "0"); | |
402 | Tcl_DStringAppendElement (result_ptr, bpdisp[b->disposition]); | |
403 | dsprintf_append_element (result_ptr, "%d", b->silent); | |
404 | dsprintf_append_element (result_ptr, "%d", b->ignore_count); | |
405 | ||
406 | Tcl_DStringStartSublist (result_ptr); | |
407 | for (cmd = b->commands; cmd; cmd = cmd->next) | |
408 | Tcl_DStringAppendElement (result_ptr, cmd->line); | |
409 | Tcl_DStringEndSublist (result_ptr); | |
410 | ||
411 | Tcl_DStringAppendElement (result_ptr, b->cond_string); | |
412 | ||
413 | dsprintf_append_element (result_ptr, "%d", b->thread); | |
414 | dsprintf_append_element (result_ptr, "%d", b->hit_count); | |
415 | ||
416 | return TCL_OK; | |
417 | } | |
418 | ||
754e5da2 SG |
419 | static void |
420 | breakpoint_notify(b, action) | |
421 | struct breakpoint *b; | |
422 | const char *action; | |
423 | { | |
6131622e | 424 | char buf[100]; |
754e5da2 SG |
425 | int v; |
426 | ||
427 | if (b->type != bp_breakpoint) | |
428 | return; | |
429 | ||
4e327047 TT |
430 | /* We ensure that ACTION contains no special Tcl characters, so we |
431 | can do this. */ | |
6131622e | 432 | sprintf (buf, "gdbtk_tcl_breakpoint %s %d", action, b->number); |
754e5da2 | 433 | |
6131622e | 434 | v = Tcl_Eval (interp, buf); |
754e5da2 SG |
435 | |
436 | if (v != TCL_OK) | |
437 | { | |
546b8ca7 SG |
438 | gdbtk_fputs (interp->result, gdb_stdout); |
439 | gdbtk_fputs ("\n", gdb_stdout); | |
754e5da2 | 440 | } |
754e5da2 SG |
441 | } |
442 | ||
443 | static void | |
444 | gdbtk_create_breakpoint(b) | |
445 | struct breakpoint *b; | |
446 | { | |
6131622e | 447 | breakpoint_notify (b, "create"); |
754e5da2 SG |
448 | } |
449 | ||
450 | static void | |
451 | gdbtk_delete_breakpoint(b) | |
452 | struct breakpoint *b; | |
453 | { | |
6131622e | 454 | breakpoint_notify (b, "delete"); |
754e5da2 SG |
455 | } |
456 | ||
457 | static void | |
6131622e | 458 | gdbtk_modify_breakpoint(b) |
754e5da2 SG |
459 | struct breakpoint *b; |
460 | { | |
6131622e | 461 | breakpoint_notify (b, "modify"); |
754e5da2 SG |
462 | } |
463 | \f | |
464 | /* This implements the TCL command `gdb_loc', which returns a list consisting | |
465 | of the source and line number associated with the current pc. */ | |
466 | ||
467 | static int | |
468 | gdb_loc (clientData, interp, argc, argv) | |
469 | ClientData clientData; | |
470 | Tcl_Interp *interp; | |
471 | int argc; | |
472 | char *argv[]; | |
473 | { | |
474 | char *filename; | |
754e5da2 SG |
475 | struct symtab_and_line sal; |
476 | char *funcname; | |
8532893d | 477 | CORE_ADDR pc; |
754e5da2 SG |
478 | |
479 | if (argc == 1) | |
480 | { | |
1dfc8dfb | 481 | pc = selected_frame ? selected_frame->pc : stop_pc; |
754e5da2 SG |
482 | sal = find_pc_line (pc, 0); |
483 | } | |
484 | else if (argc == 2) | |
485 | { | |
754e5da2 | 486 | struct symtabs_and_lines sals; |
8532893d | 487 | int nelts; |
754e5da2 SG |
488 | |
489 | sals = decode_line_spec (argv[1], 1); | |
490 | ||
8532893d SG |
491 | nelts = sals.nelts; |
492 | sal = sals.sals[0]; | |
493 | free (sals.sals); | |
494 | ||
754e5da2 | 495 | if (sals.nelts != 1) |
6131622e | 496 | error ("Ambiguous line spec"); |
754e5da2 | 497 | |
8532893d | 498 | pc = sal.pc; |
754e5da2 SG |
499 | } |
500 | else | |
6131622e | 501 | error ("wrong # args"); |
754e5da2 | 502 | |
754e5da2 | 503 | if (sal.symtab) |
6131622e | 504 | Tcl_DStringAppendElement (result_ptr, sal.symtab->filename); |
754e5da2 | 505 | else |
6131622e | 506 | Tcl_DStringAppendElement (result_ptr, ""); |
8532893d SG |
507 | |
508 | find_pc_partial_function (pc, &funcname, NULL, NULL); | |
6131622e | 509 | Tcl_DStringAppendElement (result_ptr, funcname); |
8532893d | 510 | |
637b1661 | 511 | filename = symtab_to_filename (sal.symtab); |
6131622e | 512 | Tcl_DStringAppendElement (result_ptr, filename); |
8532893d | 513 | |
9468f8aa | 514 | dsprintf_append_element (result_ptr, "%d", sal.line); /* line number */ |
754e5da2 | 515 | |
78b9b170 | 516 | dsprintf_append_element (result_ptr, "0x%s", paddr_nz(pc)); /* PC */ |
8532893d | 517 | |
754e5da2 SG |
518 | return TCL_OK; |
519 | } | |
520 | \f | |
09722039 SG |
521 | /* This implements the TCL command `gdb_eval'. */ |
522 | ||
523 | static int | |
524 | gdb_eval (clientData, interp, argc, argv) | |
525 | ClientData clientData; | |
526 | Tcl_Interp *interp; | |
527 | int argc; | |
528 | char *argv[]; | |
529 | { | |
530 | struct expression *expr; | |
531 | struct cleanup *old_chain; | |
532 | value_ptr val; | |
533 | ||
534 | if (argc != 2) | |
6131622e | 535 | error ("wrong # args"); |
09722039 SG |
536 | |
537 | expr = parse_expression (argv[1]); | |
538 | ||
539 | old_chain = make_cleanup (free_current_contents, &expr); | |
540 | ||
541 | val = evaluate_expression (expr); | |
542 | ||
09722039 SG |
543 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), VALUE_ADDRESS (val), |
544 | gdb_stdout, 0, 0, 0, 0); | |
09722039 SG |
545 | |
546 | do_cleanups (old_chain); | |
547 | ||
548 | return TCL_OK; | |
549 | } | |
550 | \f | |
5b21fb68 SG |
551 | /* This implements the TCL command `gdb_sourcelines', which returns a list of |
552 | all of the lines containing executable code for the specified source file | |
553 | (ie: lines where you can put breakpoints). */ | |
554 | ||
555 | static int | |
556 | gdb_sourcelines (clientData, interp, argc, argv) | |
557 | ClientData clientData; | |
558 | Tcl_Interp *interp; | |
559 | int argc; | |
560 | char *argv[]; | |
561 | { | |
562 | struct symtab *symtab; | |
563 | struct linetable_entry *le; | |
564 | int nlines; | |
5b21fb68 SG |
565 | |
566 | if (argc != 2) | |
6131622e | 567 | error ("wrong # args"); |
5b21fb68 SG |
568 | |
569 | symtab = lookup_symtab (argv[1]); | |
570 | ||
571 | if (!symtab) | |
6131622e | 572 | error ("No such file"); |
5b21fb68 SG |
573 | |
574 | /* If there's no linetable, or no entries, then we are done. */ | |
575 | ||
576 | if (!symtab->linetable | |
577 | || symtab->linetable->nitems == 0) | |
578 | { | |
6131622e | 579 | Tcl_DStringAppendElement (result_ptr, ""); |
5b21fb68 SG |
580 | return TCL_OK; |
581 | } | |
582 | ||
583 | le = symtab->linetable->item; | |
584 | nlines = symtab->linetable->nitems; | |
585 | ||
586 | for (;nlines > 0; nlines--, le++) | |
587 | { | |
588 | /* If the pc of this line is the same as the pc of the next line, then | |
589 | just skip it. */ | |
590 | if (nlines > 1 | |
591 | && le->pc == (le + 1)->pc) | |
592 | continue; | |
593 | ||
9468f8aa | 594 | dsprintf_append_element (result_ptr, "%d", le->line); |
5b21fb68 SG |
595 | } |
596 | ||
597 | return TCL_OK; | |
598 | } | |
599 | \f | |
746d1df4 SG |
600 | static int |
601 | map_arg_registers (argc, argv, func, argp) | |
602 | int argc; | |
603 | char *argv[]; | |
6131622e | 604 | void (*func) PARAMS ((int regnum, void *argp)); |
746d1df4 SG |
605 | void *argp; |
606 | { | |
607 | int regnum; | |
608 | ||
609 | /* Note that the test for a valid register must include checking the | |
610 | reg_names array because NUM_REGS may be allocated for the union of the | |
611 | register sets within a family of related processors. In this case, the | |
612 | trailing entries of reg_names will change depending upon the particular | |
613 | processor being debugged. */ | |
614 | ||
615 | if (argc == 0) /* No args, just do all the regs */ | |
616 | { | |
617 | for (regnum = 0; | |
618 | regnum < NUM_REGS | |
619 | && reg_names[regnum] != NULL | |
620 | && *reg_names[regnum] != '\000'; | |
621 | regnum++) | |
622 | func (regnum, argp); | |
623 | ||
624 | return TCL_OK; | |
625 | } | |
626 | ||
627 | /* Else, list of register #s, just do listed regs */ | |
628 | for (; argc > 0; argc--, argv++) | |
629 | { | |
630 | regnum = atoi (*argv); | |
631 | ||
632 | if (regnum >= 0 | |
633 | && regnum < NUM_REGS | |
634 | && reg_names[regnum] != NULL | |
635 | && *reg_names[regnum] != '\000') | |
636 | func (regnum, argp); | |
637 | else | |
6131622e | 638 | error ("bad register number"); |
746d1df4 SG |
639 | } |
640 | ||
641 | return TCL_OK; | |
642 | } | |
643 | ||
6131622e | 644 | static void |
746d1df4 SG |
645 | get_register_name (regnum, argp) |
646 | int regnum; | |
647 | void *argp; /* Ignored */ | |
648 | { | |
6131622e | 649 | Tcl_DStringAppendElement (result_ptr, reg_names[regnum]); |
746d1df4 SG |
650 | } |
651 | ||
5b21fb68 SG |
652 | /* This implements the TCL command `gdb_regnames', which returns a list of |
653 | all of the register names. */ | |
654 | ||
655 | static int | |
656 | gdb_regnames (clientData, interp, argc, argv) | |
657 | ClientData clientData; | |
658 | Tcl_Interp *interp; | |
659 | int argc; | |
660 | char *argv[]; | |
661 | { | |
746d1df4 SG |
662 | argc--; |
663 | argv++; | |
664 | ||
b607efe7 | 665 | return map_arg_registers (argc, argv, get_register_name, NULL); |
746d1df4 SG |
666 | } |
667 | ||
746d1df4 SG |
668 | #ifndef REGISTER_CONVERTIBLE |
669 | #define REGISTER_CONVERTIBLE(x) (0 != 0) | |
670 | #endif | |
671 | ||
672 | #ifndef REGISTER_CONVERT_TO_VIRTUAL | |
673 | #define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a) | |
674 | #endif | |
675 | ||
676 | #ifndef INVALID_FLOAT | |
677 | #define INVALID_FLOAT(x, y) (0 != 0) | |
678 | #endif | |
679 | ||
6131622e | 680 | static void |
746d1df4 | 681 | get_register (regnum, fp) |
6131622e | 682 | int regnum; |
746d1df4 SG |
683 | void *fp; |
684 | { | |
685 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
686 | char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE]; | |
687 | int format = (int)fp; | |
688 | ||
689 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
690 | { | |
6131622e | 691 | Tcl_DStringAppendElement (result_ptr, "Optimized out"); |
746d1df4 SG |
692 | return; |
693 | } | |
694 | ||
746d1df4 SG |
695 | /* Convert raw data to virtual format if necessary. */ |
696 | ||
697 | if (REGISTER_CONVERTIBLE (regnum)) | |
698 | { | |
699 | REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum), | |
700 | raw_buffer, virtual_buffer); | |
701 | } | |
702 | else | |
703 | memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum)); | |
704 | ||
3d9f68c0 FF |
705 | if (format == 'r') |
706 | { | |
707 | int j; | |
708 | printf_filtered ("0x"); | |
709 | for (j = 0; j < REGISTER_RAW_SIZE (regnum); j++) | |
710 | { | |
711 | register int idx = TARGET_BYTE_ORDER == BIG_ENDIAN ? j | |
712 | : REGISTER_RAW_SIZE (regnum) - 1 - j; | |
713 | printf_filtered ("%02x", (unsigned char)raw_buffer[idx]); | |
714 | } | |
715 | } | |
716 | else | |
717 | val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0, | |
718 | gdb_stdout, format, 1, 0, Val_pretty_default); | |
746d1df4 | 719 | |
6131622e | 720 | Tcl_DStringAppend (result_ptr, " ", -1); |
746d1df4 SG |
721 | } |
722 | ||
723 | static int | |
724 | gdb_fetch_registers (clientData, interp, argc, argv) | |
725 | ClientData clientData; | |
726 | Tcl_Interp *interp; | |
727 | int argc; | |
728 | char *argv[]; | |
729 | { | |
730 | int format; | |
731 | ||
732 | if (argc < 2) | |
6131622e | 733 | error ("wrong # args"); |
5b21fb68 | 734 | |
746d1df4 SG |
735 | argc--; |
736 | argv++; | |
5b21fb68 | 737 | |
746d1df4 SG |
738 | argc--; |
739 | format = **argv++; | |
740 | ||
b607efe7 | 741 | return map_arg_registers (argc, argv, get_register, (void *) format); |
746d1df4 SG |
742 | } |
743 | ||
744 | /* This contains the previous values of the registers, since the last call to | |
745 | gdb_changed_register_list. */ | |
746 | ||
747 | static char old_regs[REGISTER_BYTES]; | |
748 | ||
6131622e | 749 | static void |
746d1df4 | 750 | register_changed_p (regnum, argp) |
6131622e | 751 | int regnum; |
746d1df4 SG |
752 | void *argp; /* Ignored */ |
753 | { | |
754 | char raw_buffer[MAX_REGISTER_RAW_SIZE]; | |
746d1df4 SG |
755 | |
756 | if (read_relative_register_raw_bytes (regnum, raw_buffer)) | |
757 | return; | |
758 | ||
759 | if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
760 | REGISTER_RAW_SIZE (regnum)) == 0) | |
761 | return; | |
762 | ||
fda6fadc | 763 | /* Found a changed register. Save new value and return its number. */ |
746d1df4 SG |
764 | |
765 | memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer, | |
766 | REGISTER_RAW_SIZE (regnum)); | |
767 | ||
9468f8aa | 768 | dsprintf_append_element (result_ptr, "%d", regnum); |
746d1df4 SG |
769 | } |
770 | ||
771 | static int | |
772 | gdb_changed_register_list (clientData, interp, argc, argv) | |
773 | ClientData clientData; | |
774 | Tcl_Interp *interp; | |
775 | int argc; | |
776 | char *argv[]; | |
777 | { | |
746d1df4 SG |
778 | argc--; |
779 | argv++; | |
780 | ||
781 | return map_arg_registers (argc, argv, register_changed_p, NULL); | |
5b21fb68 SG |
782 | } |
783 | \f | |
fda6fadc | 784 | /* This implements the TCL command `gdb_cmd', which sends its argument into |
754e5da2 SG |
785 | the GDB command scanner. */ |
786 | ||
787 | static int | |
788 | gdb_cmd (clientData, interp, argc, argv) | |
789 | ClientData clientData; | |
790 | Tcl_Interp *interp; | |
791 | int argc; | |
792 | char *argv[]; | |
793 | { | |
754e5da2 | 794 | if (argc != 2) |
6131622e | 795 | error ("wrong # args"); |
754e5da2 | 796 | |
fda6fadc SS |
797 | if (running_now) |
798 | return TCL_OK; | |
799 | ||
86db943c | 800 | execute_command (argv[1], 1); |
479f0f18 | 801 | |
754e5da2 | 802 | bpstat_do_actions (&stop_bpstat); |
754e5da2 | 803 | |
754e5da2 SG |
804 | return TCL_OK; |
805 | } | |
806 | ||
c14cabba AC |
807 | /* Client of call_wrapper - this routine performs the actual call to |
808 | the client function. */ | |
809 | ||
810 | struct wrapped_call_args | |
811 | { | |
812 | Tcl_Interp *interp; | |
813 | Tcl_CmdProc *func; | |
814 | int argc; | |
815 | char **argv; | |
816 | int val; | |
817 | }; | |
818 | ||
819 | static int | |
820 | wrapped_call (args) | |
821 | struct wrapped_call_args *args; | |
822 | { | |
823 | args->val = (*args->func) (args->func, args->interp, args->argc, args->argv); | |
824 | return 1; | |
825 | } | |
826 | ||
86db943c SG |
827 | /* This routine acts as a top-level for all GDB code called by tcl/Tk. It |
828 | handles cleanups, and calls to return_to_top_level (usually via error). | |
829 | This is necessary in order to prevent a longjmp out of the bowels of Tk, | |
830 | possibly leaving things in a bad state. Since this routine can be called | |
831 | recursively, it needs to save and restore the contents of the jmp_buf as | |
832 | necessary. */ | |
833 | ||
834 | static int | |
835 | call_wrapper (clientData, interp, argc, argv) | |
836 | ClientData clientData; | |
837 | Tcl_Interp *interp; | |
838 | int argc; | |
839 | char *argv[]; | |
840 | { | |
c14cabba | 841 | struct wrapped_call_args wrapped_args; |
6131622e SG |
842 | Tcl_DString result, *old_result_ptr; |
843 | ||
844 | Tcl_DStringInit (&result); | |
845 | old_result_ptr = result_ptr; | |
846 | result_ptr = &result; | |
86db943c | 847 | |
c14cabba AC |
848 | wrapped_args.func = (Tcl_CmdProc *)clientData; |
849 | wrapped_args.interp = interp; | |
850 | wrapped_args.argc = argc; | |
851 | wrapped_args.argv = argv; | |
852 | wrapped_args.val = 0; | |
86db943c | 853 | |
c14cabba | 854 | if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL)) |
86db943c | 855 | { |
c14cabba | 856 | wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */ |
86db943c | 857 | |
86db943c SG |
858 | gdb_flush (gdb_stderr); /* Flush error output */ |
859 | ||
09722039 SG |
860 | gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */ |
861 | ||
fda6fadc SS |
862 | /* In case of an error, we may need to force the GUI into idle |
863 | mode because gdbtk_call_command may have bombed out while in | |
864 | the command routine. */ | |
86db943c | 865 | |
40dffa42 | 866 | running_now = 0; |
4e327047 | 867 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
86db943c SG |
868 | } |
869 | ||
6131622e SG |
870 | Tcl_DStringResult (interp, &result); |
871 | result_ptr = old_result_ptr; | |
872 | ||
c14cabba | 873 | return wrapped_args.val; |
86db943c SG |
874 | } |
875 | ||
754e5da2 SG |
876 | static int |
877 | gdb_listfiles (clientData, interp, argc, argv) | |
878 | ClientData clientData; | |
879 | Tcl_Interp *interp; | |
880 | int argc; | |
881 | char *argv[]; | |
882 | { | |
754e5da2 SG |
883 | struct objfile *objfile; |
884 | struct partial_symtab *psymtab; | |
546b8ca7 | 885 | struct symtab *symtab; |
754e5da2 SG |
886 | |
887 | ALL_PSYMTABS (objfile, psymtab) | |
6131622e | 888 | Tcl_DStringAppendElement (result_ptr, psymtab->filename); |
754e5da2 | 889 | |
546b8ca7 | 890 | ALL_SYMTABS (objfile, symtab) |
6131622e | 891 | Tcl_DStringAppendElement (result_ptr, symtab->filename); |
546b8ca7 | 892 | |
754e5da2 SG |
893 | return TCL_OK; |
894 | } | |
479f0f18 SG |
895 | |
896 | static int | |
897 | gdb_stop (clientData, interp, argc, argv) | |
898 | ClientData clientData; | |
899 | Tcl_Interp *interp; | |
900 | int argc; | |
901 | char *argv[]; | |
902 | { | |
c14cabba AC |
903 | if (target_stop) |
904 | target_stop (); | |
905 | else | |
906 | quit_flag = 1; /* hope something sees this */ | |
546b8ca7 SG |
907 | |
908 | return TCL_OK; | |
479f0f18 | 909 | } |
09722039 SG |
910 | \f |
911 | /* This implements the TCL command `gdb_disassemble'. */ | |
479f0f18 | 912 | |
09722039 SG |
913 | static int |
914 | gdbtk_dis_asm_read_memory (memaddr, myaddr, len, info) | |
915 | bfd_vma memaddr; | |
916 | bfd_byte *myaddr; | |
917 | int len; | |
918 | disassemble_info *info; | |
919 | { | |
920 | extern struct target_ops exec_ops; | |
921 | int res; | |
922 | ||
923 | errno = 0; | |
924 | res = xfer_memory (memaddr, myaddr, len, 0, &exec_ops); | |
925 | ||
926 | if (res == len) | |
927 | return 0; | |
928 | else | |
929 | if (errno == 0) | |
930 | return EIO; | |
931 | else | |
932 | return errno; | |
933 | } | |
934 | ||
935 | /* We need a different sort of line table from the normal one cuz we can't | |
936 | depend upon implicit line-end pc's for lines. This is because of the | |
937 | reordering we are about to do. */ | |
938 | ||
939 | struct my_line_entry { | |
940 | int line; | |
941 | CORE_ADDR start_pc; | |
942 | CORE_ADDR end_pc; | |
943 | }; | |
944 | ||
945 | static int | |
946 | compare_lines (mle1p, mle2p) | |
947 | const PTR mle1p; | |
948 | const PTR mle2p; | |
949 | { | |
950 | struct my_line_entry *mle1, *mle2; | |
951 | int val; | |
952 | ||
953 | mle1 = (struct my_line_entry *) mle1p; | |
954 | mle2 = (struct my_line_entry *) mle2p; | |
955 | ||
956 | val = mle1->line - mle2->line; | |
957 | ||
958 | if (val != 0) | |
959 | return val; | |
960 | ||
961 | return mle1->start_pc - mle2->start_pc; | |
962 | } | |
963 | ||
964 | static int | |
965 | gdb_disassemble (clientData, interp, argc, argv) | |
966 | ClientData clientData; | |
967 | Tcl_Interp *interp; | |
968 | int argc; | |
969 | char *argv[]; | |
970 | { | |
971 | CORE_ADDR pc, low, high; | |
972 | int mixed_source_and_assembly; | |
fc941258 DE |
973 | static disassemble_info di; |
974 | static int di_initialized; | |
975 | ||
976 | if (! di_initialized) | |
977 | { | |
91550191 SG |
978 | INIT_DISASSEMBLE_INFO_NO_ARCH (di, gdb_stdout, |
979 | (fprintf_ftype) fprintf_unfiltered); | |
caeec767 | 980 | di.flavour = bfd_target_unknown_flavour; |
fc941258 DE |
981 | di.memory_error_func = dis_asm_memory_error; |
982 | di.print_address_func = dis_asm_print_address; | |
983 | di_initialized = 1; | |
984 | } | |
09722039 | 985 | |
91550191 SG |
986 | di.mach = tm_print_insn_info.mach; |
987 | if (TARGET_BYTE_ORDER == BIG_ENDIAN) | |
e4bb9027 | 988 | di.endian = BFD_ENDIAN_BIG; |
91550191 | 989 | else |
e4bb9027 | 990 | di.endian = BFD_ENDIAN_LITTLE; |
91550191 | 991 | |
09722039 | 992 | if (argc != 3 && argc != 4) |
6131622e | 993 | error ("wrong # args"); |
09722039 SG |
994 | |
995 | if (strcmp (argv[1], "source") == 0) | |
996 | mixed_source_and_assembly = 1; | |
997 | else if (strcmp (argv[1], "nosource") == 0) | |
998 | mixed_source_and_assembly = 0; | |
999 | else | |
6131622e | 1000 | error ("First arg must be 'source' or 'nosource'"); |
09722039 SG |
1001 | |
1002 | low = parse_and_eval_address (argv[2]); | |
1003 | ||
1004 | if (argc == 3) | |
1005 | { | |
1006 | if (find_pc_partial_function (low, NULL, &low, &high) == 0) | |
6131622e | 1007 | error ("No function contains specified address"); |
09722039 SG |
1008 | } |
1009 | else | |
1010 | high = parse_and_eval_address (argv[3]); | |
1011 | ||
1012 | /* If disassemble_from_exec == -1, then we use the following heuristic to | |
1013 | determine whether or not to do disassembly from target memory or from the | |
1014 | exec file: | |
1015 | ||
1016 | If we're debugging a local process, read target memory, instead of the | |
1017 | exec file. This makes disassembly of functions in shared libs work | |
1018 | correctly. | |
1019 | ||
1020 | Else, we're debugging a remote process, and should disassemble from the | |
fda6fadc | 1021 | exec file for speed. However, this is no good if the target modifies its |
09722039 SG |
1022 | code (for relocation, or whatever). |
1023 | */ | |
1024 | ||
1025 | if (disassemble_from_exec == -1) | |
1026 | if (strcmp (target_shortname, "child") == 0 | |
d7c4766c SS |
1027 | || strcmp (target_shortname, "procfs") == 0 |
1028 | || strcmp (target_shortname, "vxprocess") == 0) | |
09722039 SG |
1029 | disassemble_from_exec = 0; /* It's a child process, read inferior mem */ |
1030 | else | |
1031 | disassemble_from_exec = 1; /* It's remote, read the exec file */ | |
1032 | ||
1033 | if (disassemble_from_exec) | |
a76ef70a SG |
1034 | di.read_memory_func = gdbtk_dis_asm_read_memory; |
1035 | else | |
1036 | di.read_memory_func = dis_asm_read_memory; | |
09722039 SG |
1037 | |
1038 | /* If just doing straight assembly, all we need to do is disassemble | |
1039 | everything between low and high. If doing mixed source/assembly, we've | |
1040 | got a totally different path to follow. */ | |
1041 | ||
1042 | if (mixed_source_and_assembly) | |
1043 | { /* Come here for mixed source/assembly */ | |
1044 | /* The idea here is to present a source-O-centric view of a function to | |
1045 | the user. This means that things are presented in source order, with | |
1046 | (possibly) out of order assembly immediately following. */ | |
1047 | struct symtab *symtab; | |
1048 | struct linetable_entry *le; | |
1049 | int nlines; | |
c81a3fa9 | 1050 | int newlines; |
09722039 SG |
1051 | struct my_line_entry *mle; |
1052 | struct symtab_and_line sal; | |
1053 | int i; | |
1054 | int out_of_order; | |
c81a3fa9 | 1055 | int next_line; |
09722039 SG |
1056 | |
1057 | symtab = find_pc_symtab (low); /* Assume symtab is valid for whole PC range */ | |
1058 | ||
1059 | if (!symtab) | |
1060 | goto assembly_only; | |
1061 | ||
1062 | /* First, convert the linetable to a bunch of my_line_entry's. */ | |
1063 | ||
1064 | le = symtab->linetable->item; | |
1065 | nlines = symtab->linetable->nitems; | |
1066 | ||
1067 | if (nlines <= 0) | |
1068 | goto assembly_only; | |
1069 | ||
1070 | mle = (struct my_line_entry *) alloca (nlines * sizeof (struct my_line_entry)); | |
1071 | ||
1072 | out_of_order = 0; | |
1073 | ||
c81a3fa9 SG |
1074 | /* Copy linetable entries for this function into our data structure, creating |
1075 | end_pc's and setting out_of_order as appropriate. */ | |
1076 | ||
1077 | /* First, skip all the preceding functions. */ | |
1078 | ||
1079 | for (i = 0; i < nlines - 1 && le[i].pc < low; i++) ; | |
1080 | ||
1081 | /* Now, copy all entries before the end of this function. */ | |
1082 | ||
1083 | newlines = 0; | |
1084 | for (; i < nlines - 1 && le[i].pc < high; i++) | |
09722039 | 1085 | { |
c81a3fa9 SG |
1086 | if (le[i].line == le[i + 1].line |
1087 | && le[i].pc == le[i + 1].pc) | |
1088 | continue; /* Ignore duplicates */ | |
1089 | ||
1090 | mle[newlines].line = le[i].line; | |
09722039 SG |
1091 | if (le[i].line > le[i + 1].line) |
1092 | out_of_order = 1; | |
c81a3fa9 SG |
1093 | mle[newlines].start_pc = le[i].pc; |
1094 | mle[newlines].end_pc = le[i + 1].pc; | |
1095 | newlines++; | |
09722039 SG |
1096 | } |
1097 | ||
c81a3fa9 SG |
1098 | /* If we're on the last line, and it's part of the function, then we need to |
1099 | get the end pc in a special way. */ | |
1100 | ||
1101 | if (i == nlines - 1 | |
1102 | && le[i].pc < high) | |
1103 | { | |
1104 | mle[newlines].line = le[i].line; | |
1105 | mle[newlines].start_pc = le[i].pc; | |
1106 | sal = find_pc_line (le[i].pc, 0); | |
1107 | mle[newlines].end_pc = sal.end; | |
1108 | newlines++; | |
1109 | } | |
09722039 SG |
1110 | |
1111 | /* Now, sort mle by line #s (and, then by addresses within lines). */ | |
1112 | ||
1113 | if (out_of_order) | |
c81a3fa9 | 1114 | qsort (mle, newlines, sizeof (struct my_line_entry), compare_lines); |
09722039 SG |
1115 | |
1116 | /* Now, for each line entry, emit the specified lines (unless they have been | |
1117 | emitted before), followed by the assembly code for that line. */ | |
1118 | ||
c81a3fa9 SG |
1119 | next_line = 0; /* Force out first line */ |
1120 | for (i = 0; i < newlines; i++) | |
09722039 | 1121 | { |
c81a3fa9 SG |
1122 | /* Print out everything from next_line to the current line. */ |
1123 | ||
1124 | if (mle[i].line >= next_line) | |
09722039 | 1125 | { |
c81a3fa9 SG |
1126 | if (next_line != 0) |
1127 | print_source_lines (symtab, next_line, mle[i].line + 1, 0); | |
09722039 | 1128 | else |
c81a3fa9 SG |
1129 | print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0); |
1130 | ||
1131 | next_line = mle[i].line + 1; | |
09722039 | 1132 | } |
c81a3fa9 | 1133 | |
09722039 SG |
1134 | for (pc = mle[i].start_pc; pc < mle[i].end_pc; ) |
1135 | { | |
1136 | QUIT; | |
1137 | fputs_unfiltered (" ", gdb_stdout); | |
1138 | print_address (pc, gdb_stdout); | |
1139 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1140 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1141 | fputs_unfiltered ("\n", gdb_stdout); |
1142 | } | |
1143 | } | |
1144 | } | |
1145 | else | |
1146 | { | |
1147 | assembly_only: | |
1148 | for (pc = low; pc < high; ) | |
1149 | { | |
1150 | QUIT; | |
1151 | fputs_unfiltered (" ", gdb_stdout); | |
1152 | print_address (pc, gdb_stdout); | |
1153 | fputs_unfiltered (":\t ", gdb_stdout); | |
d039851f | 1154 | pc += (*tm_print_insn) (pc, &di); |
09722039 SG |
1155 | fputs_unfiltered ("\n", gdb_stdout); |
1156 | } | |
1157 | } | |
1158 | ||
09722039 SG |
1159 | gdb_flush (gdb_stdout); |
1160 | ||
1161 | return TCL_OK; | |
1162 | } | |
754e5da2 SG |
1163 | \f |
1164 | static void | |
1165 | tk_command (cmd, from_tty) | |
1166 | char *cmd; | |
1167 | int from_tty; | |
1168 | { | |
546b8ca7 SG |
1169 | int retval; |
1170 | char *result; | |
1171 | struct cleanup *old_chain; | |
1172 | ||
572977a5 FF |
1173 | /* Catch case of no argument, since this will make the tcl interpreter dump core. */ |
1174 | if (cmd == NULL) | |
1175 | error_no_arg ("tcl command to interpret"); | |
1176 | ||
546b8ca7 SG |
1177 | retval = Tcl_Eval (interp, cmd); |
1178 | ||
1179 | result = strdup (interp->result); | |
754e5da2 | 1180 | |
546b8ca7 SG |
1181 | old_chain = make_cleanup (free, result); |
1182 | ||
1183 | if (retval != TCL_OK) | |
1184 | error (result); | |
1185 | ||
1186 | printf_unfiltered ("%s\n", result); | |
1187 | ||
1188 | do_cleanups (old_chain); | |
754e5da2 SG |
1189 | } |
1190 | ||
1191 | static void | |
1192 | cleanup_init (ignored) | |
1193 | int ignored; | |
1194 | { | |
754e5da2 SG |
1195 | if (interp != NULL) |
1196 | Tcl_DeleteInterp (interp); | |
1197 | interp = NULL; | |
1198 | } | |
1199 | ||
637b1661 SG |
1200 | /* Come here during long calculations to check for GUI events. Usually invoked |
1201 | via the QUIT macro. */ | |
1202 | ||
1203 | static void | |
1204 | gdbtk_interactive () | |
1205 | { | |
1206 | /* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */ | |
1207 | } | |
1208 | ||
479f0f18 SG |
1209 | /* Come here when there is activity on the X file descriptor. */ |
1210 | ||
1211 | static void | |
1212 | x_event (signo) | |
1213 | int signo; | |
1214 | { | |
1215 | /* Process pending events */ | |
1216 | ||
f02156cf | 1217 | while (Tcl_DoOneEvent (TCL_DONT_WAIT|TCL_ALL_EVENTS) != 0); |
479f0f18 SG |
1218 | } |
1219 | ||
1220 | static int | |
1221 | gdbtk_wait (pid, ourstatus) | |
1222 | int pid; | |
1223 | struct target_waitstatus *ourstatus; | |
1224 | { | |
736a82e7 SG |
1225 | struct sigaction action; |
1226 | static sigset_t nullsigmask = {0}; | |
1227 | ||
1228 | #ifndef SA_RESTART | |
1229 | /* Needed for SunOS 4.1.x */ | |
1230 | #define SA_RESTART 0 | |
546b8ca7 | 1231 | #endif |
479f0f18 | 1232 | |
736a82e7 SG |
1233 | action.sa_handler = x_event; |
1234 | action.sa_mask = nullsigmask; | |
1235 | action.sa_flags = SA_RESTART; | |
8a19b35a | 1236 | #ifndef WINNT |
736a82e7 | 1237 | sigaction(SIGIO, &action, NULL); |
8a19b35a | 1238 | #endif |
736a82e7 | 1239 | |
479f0f18 SG |
1240 | pid = target_wait (pid, ourstatus); |
1241 | ||
736a82e7 | 1242 | action.sa_handler = SIG_IGN; |
8a19b35a MH |
1243 | #ifndef WINNT |
1244 | sigaction(SIGIO, &action, NULL); | |
1245 | #endif | |
479f0f18 SG |
1246 | |
1247 | return pid; | |
1248 | } | |
1249 | ||
1250 | /* This is called from execute_command, and provides a wrapper around | |
1251 | various command routines in a place where both protocol messages and | |
1252 | user input both flow through. Mostly this is used for indicating whether | |
1253 | the target process is running or not. | |
1254 | */ | |
1255 | ||
1256 | static void | |
1257 | gdbtk_call_command (cmdblk, arg, from_tty) | |
1258 | struct cmd_list_element *cmdblk; | |
1259 | char *arg; | |
1260 | int from_tty; | |
1261 | { | |
fda6fadc | 1262 | running_now = 0; |
479f0f18 SG |
1263 | if (cmdblk->class == class_run) |
1264 | { | |
fda6fadc | 1265 | running_now = 1; |
4e327047 | 1266 | Tcl_Eval (interp, "gdbtk_tcl_busy"); |
479f0f18 | 1267 | (*cmdblk->function.cfunc)(arg, from_tty); |
4e327047 | 1268 | Tcl_Eval (interp, "gdbtk_tcl_idle"); |
fda6fadc | 1269 | running_now = 0; |
479f0f18 SG |
1270 | } |
1271 | else | |
1272 | (*cmdblk->function.cfunc)(arg, from_tty); | |
1273 | } | |
1274 | ||
5bac2b50 FF |
1275 | /* This function is called instead of gdb's internal command loop. This is the |
1276 | last chance to do anything before entering the main Tk event loop. */ | |
1277 | ||
1278 | static void | |
1279 | tk_command_loop () | |
1280 | { | |
41756e56 FF |
1281 | extern GDB_FILE *instream; |
1282 | ||
1283 | /* We no longer want to use stdin as the command input stream */ | |
1284 | instream = NULL; | |
5bac2b50 FF |
1285 | Tcl_Eval (interp, "gdbtk_tcl_preloop"); |
1286 | Tk_MainLoop (); | |
1287 | } | |
1288 | ||
754e5da2 SG |
1289 | static void |
1290 | gdbtk_init () | |
1291 | { | |
1292 | struct cleanup *old_chain; | |
8a19b35a MH |
1293 | char *lib, *gdbtk_lib, gdbtk_lib_tmp[1024],gdbtk_file[128]; |
1294 | int i, found_main; | |
736a82e7 SG |
1295 | struct sigaction action; |
1296 | static sigset_t nullsigmask = {0}; | |
754e5da2 | 1297 | |
fe58c81f FF |
1298 | /* If there is no DISPLAY environment variable, Tk_Init below will fail, |
1299 | causing gdb to abort. If instead we simply return here, gdb will | |
1300 | gracefully degrade to using the command line interface. */ | |
1301 | ||
8a19b35a | 1302 | #ifndef WINNT |
fe58c81f FF |
1303 | if (getenv ("DISPLAY") == NULL) |
1304 | return; | |
8a19b35a | 1305 | #endif |
fe58c81f | 1306 | |
754e5da2 SG |
1307 | old_chain = make_cleanup (cleanup_init, 0); |
1308 | ||
1309 | /* First init tcl and tk. */ | |
1310 | ||
1311 | interp = Tcl_CreateInterp (); | |
1312 | ||
1313 | if (!interp) | |
1314 | error ("Tcl_CreateInterp failed"); | |
1315 | ||
754e5da2 SG |
1316 | if (Tcl_Init(interp) != TCL_OK) |
1317 | error ("Tcl_Init failed: %s", interp->result); | |
1318 | ||
8a19b35a MH |
1319 | /* |
1320 | if (Itcl_Init(interp) == TCL_ERROR) | |
1321 | error ("Itcl_Init failed: %s", interp->result); | |
1322 | */ | |
1323 | ||
754e5da2 SG |
1324 | if (Tk_Init(interp) != TCL_OK) |
1325 | error ("Tk_Init failed: %s", interp->result); | |
1326 | ||
86db943c SG |
1327 | Tcl_CreateCommand (interp, "gdb_cmd", call_wrapper, gdb_cmd, NULL); |
1328 | Tcl_CreateCommand (interp, "gdb_loc", call_wrapper, gdb_loc, NULL); | |
8a19b35a | 1329 | Tcl_CreateCommand (interp, "gdb_path_conv", call_wrapper, gdb_path_conv, NULL); |
86db943c SG |
1330 | Tcl_CreateCommand (interp, "gdb_sourcelines", call_wrapper, gdb_sourcelines, |
1331 | NULL); | |
1332 | Tcl_CreateCommand (interp, "gdb_listfiles", call_wrapper, gdb_listfiles, | |
746d1df4 | 1333 | NULL); |
86db943c SG |
1334 | Tcl_CreateCommand (interp, "gdb_stop", call_wrapper, gdb_stop, NULL); |
1335 | Tcl_CreateCommand (interp, "gdb_regnames", call_wrapper, gdb_regnames, NULL); | |
1336 | Tcl_CreateCommand (interp, "gdb_fetch_registers", call_wrapper, | |
1337 | gdb_fetch_registers, NULL); | |
1338 | Tcl_CreateCommand (interp, "gdb_changed_register_list", call_wrapper, | |
1339 | gdb_changed_register_list, NULL); | |
09722039 SG |
1340 | Tcl_CreateCommand (interp, "gdb_disassemble", call_wrapper, |
1341 | gdb_disassemble, NULL); | |
1342 | Tcl_CreateCommand (interp, "gdb_eval", call_wrapper, gdb_eval, NULL); | |
6131622e SG |
1343 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_list", call_wrapper, |
1344 | gdb_get_breakpoint_list, NULL); | |
1345 | Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper, | |
1346 | gdb_get_breakpoint_info, NULL); | |
754e5da2 | 1347 | |
5bac2b50 | 1348 | command_loop_hook = tk_command_loop; |
b607efe7 FF |
1349 | print_frame_info_listing_hook = |
1350 | (void (*) PARAMS ((struct symtab *, int, int, int))) null_routine; | |
09722039 SG |
1351 | query_hook = gdbtk_query; |
1352 | flush_hook = gdbtk_flush; | |
1353 | create_breakpoint_hook = gdbtk_create_breakpoint; | |
1354 | delete_breakpoint_hook = gdbtk_delete_breakpoint; | |
6131622e | 1355 | modify_breakpoint_hook = gdbtk_modify_breakpoint; |
09722039 SG |
1356 | interactive_hook = gdbtk_interactive; |
1357 | target_wait_hook = gdbtk_wait; | |
1358 | call_command_hook = gdbtk_call_command; | |
41756e56 FF |
1359 | readline_begin_hook = gdbtk_readline_begin; |
1360 | readline_hook = gdbtk_readline; | |
1361 | readline_end_hook = gdbtk_readline_end; | |
754e5da2 | 1362 | |
cd2df226 | 1363 | /* Get the file descriptor for the X server */ |
479f0f18 | 1364 | |
047465fd | 1365 | x_fd = ConnectionNumber (Tk_Display (Tk_MainWindow (interp))); |
479f0f18 SG |
1366 | |
1367 | /* Setup for I/O interrupts */ | |
1368 | ||
736a82e7 SG |
1369 | action.sa_mask = nullsigmask; |
1370 | action.sa_flags = 0; | |
1371 | action.sa_handler = SIG_IGN; | |
8a19b35a | 1372 | #ifndef WINNT |
736a82e7 | 1373 | sigaction(SIGIO, &action, NULL); |
8a19b35a | 1374 | #endif |
736a82e7 SG |
1375 | |
1376 | #ifdef FIOASYNC | |
1377 | i = 1; | |
1378 | if (ioctl (x_fd, FIOASYNC, &i)) | |
1379 | perror_with_name ("gdbtk_init: ioctl FIOASYNC failed"); | |
479f0f18 | 1380 | |
77a89957 | 1381 | #ifdef SIOCSPGRP |
736a82e7 SG |
1382 | i = getpid(); |
1383 | if (ioctl (x_fd, SIOCSPGRP, &i)) | |
1384 | perror_with_name ("gdbtk_init: ioctl SIOCSPGRP failed"); | |
45f90c50 MM |
1385 | |
1386 | #else | |
1387 | #ifdef F_SETOWN | |
1388 | i = getpid(); | |
1389 | if (fcntl (x_fd, F_SETOWN, i)) | |
1390 | perror_with_name ("gdbtk_init: fcntl F_SETOWN failed"); | |
1391 | #endif /* F_SETOWN */ | |
1392 | #endif /* !SIOCSPGRP */ | |
546b8ca7 | 1393 | #else |
8a19b35a | 1394 | #ifndef WINNT |
546b8ca7 | 1395 | if (ioctl (x_fd, I_SETSIG, S_INPUT|S_RDNORM) < 0) |
736a82e7 | 1396 | perror_with_name ("gdbtk_init: ioctl I_SETSIG failed"); |
8a19b35a MH |
1397 | #endif |
1398 | ||
736a82e7 | 1399 | #endif /* ifndef FIOASYNC */ |
479f0f18 | 1400 | |
754e5da2 SG |
1401 | add_com ("tk", class_obscure, tk_command, |
1402 | "Send a command directly into tk."); | |
09722039 | 1403 | |
09722039 SG |
1404 | Tcl_LinkVar (interp, "disassemble-from-exec", (char *)&disassemble_from_exec, |
1405 | TCL_LINK_INT); | |
1406 | ||
8a19b35a | 1407 | /* find the gdb tcl library and source main.tcl */ |
09722039 | 1408 | |
8a19b35a MH |
1409 | gdbtk_lib = getenv ("GDBTK_LIBRARY"); |
1410 | if (!gdbtk_lib) | |
1411 | if (access ("gdbtcl/main.tcl", R_OK) == 0) | |
1412 | gdbtk_lib = "gdbtcl"; | |
09722039 | 1413 | else |
8a19b35a MH |
1414 | gdbtk_lib = GDBTK_LIBRARY; |
1415 | ||
1416 | strcpy (gdbtk_lib_tmp, gdbtk_lib); | |
1417 | found_main = 0; | |
1418 | /* see if GDBTK_LIBRARY is a path list */ | |
1419 | lib = strtok (gdbtk_lib_tmp, GDBTK_PATH_SEP); | |
1420 | do | |
1421 | { | |
1422 | if (Tcl_VarEval (interp, "lappend auto_path ", lib, NULL) != TCL_OK) | |
1423 | { | |
1424 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1425 | error (""); | |
1426 | } | |
1427 | if (!found_main) | |
1428 | { | |
1429 | strcpy (gdbtk_file, lib); | |
1430 | strcat (gdbtk_file, "/main.tcl"); | |
1431 | if (access (gdbtk_file, R_OK) == 0) | |
1432 | { | |
1433 | found_main++; | |
1434 | Tcl_SetVar (interp, "GDBTK_LIBRARY", lib, 0); | |
1435 | } | |
1436 | } | |
1437 | } | |
56e327b3 | 1438 | while ((lib = strtok (NULL, ":")) != NULL); |
8a19b35a MH |
1439 | |
1440 | if (!found_main) | |
1441 | { | |
1442 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1443 | if (getenv("GDBTK_LIBRARY")) | |
1444 | { | |
1445 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n",getenv("GDBTK_LIBRARY")); | |
1446 | fprintf_unfiltered (stderr, | |
1447 | "Please set GDBTK_LIBRARY to a path that includes the GDB tcl files.\n"); | |
1448 | } | |
1449 | else | |
1450 | { | |
1451 | fprintf_unfiltered (stderr, "Unable to find main.tcl in %s\n", GDBTK_LIBRARY); | |
1452 | fprintf_unfiltered (stderr, "You might want to set GDBTK_LIBRARY\n"); | |
1453 | } | |
1454 | error(""); | |
1455 | } | |
09722039 | 1456 | |
724498fd SG |
1457 | /* Defer setup of fputs_unfiltered_hook to near the end so that error messages |
1458 | prior to this point go to stdout/stderr. */ | |
1459 | ||
1460 | fputs_unfiltered_hook = gdbtk_fputs; | |
1461 | ||
8a19b35a | 1462 | if (Tcl_EvalFile (interp, gdbtk_file) != TCL_OK) |
724498fd SG |
1463 | { |
1464 | fputs_unfiltered_hook = NULL; /* Force errors to stdout/stderr */ | |
1465 | ||
8a19b35a | 1466 | fprintf_unfiltered (stderr, "%s:%d: %s\n", gdbtk_file, |
724498fd | 1467 | interp->errorLine, interp->result); |
b66051ec SG |
1468 | |
1469 | fputs_unfiltered ("Stack trace:\n", gdb_stderr); | |
1470 | fputs_unfiltered (Tcl_GetVar (interp, "errorInfo", 0), gdb_stderr); | |
1471 | error (""); | |
724498fd | 1472 | } |
09722039 SG |
1473 | |
1474 | discard_cleanups (old_chain); | |
754e5da2 SG |
1475 | } |
1476 | ||
3f37b696 | 1477 | /* Come here during initialize_all_files () */ |
754e5da2 SG |
1478 | |
1479 | void | |
1480 | _initialize_gdbtk () | |
1481 | { | |
c5197511 SG |
1482 | if (use_windows) |
1483 | { | |
1484 | /* Tell the rest of the world that Gdbtk is now set up. */ | |
754e5da2 | 1485 | |
c5197511 SG |
1486 | init_ui_hook = gdbtk_init; |
1487 | } | |
754e5da2 | 1488 | } |