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