Commit | Line | Data |
---|---|---|
28c97a66 | 1 | static char sccsid[] = "@(#)docomm.c 4.2 %G%"; |
c40fd71a BJ |
2 | #include <signal.h> |
3 | #include "head.h" | |
4 | #include <a.out.h> | |
5 | #include <stab.h> | |
6 | ||
7 | struct user u; | |
8 | L_INT cntval; | |
9 | INT signo; | |
10 | INT adrflg; | |
11 | INT pid; | |
12 | ADDR userpc; | |
13 | char *s; | |
14 | enum {NOCOM, PRCOM, DSCOM, DSICOM} lastcom; | |
15 | /* last command: nothing noteworthy, print source, | |
16 | display variable, display instruction */ | |
17 | ||
18 | docommand() { | |
19 | register char *p; | |
20 | register int i; | |
21 | register ADDR addr, bkaddr; | |
22 | struct proct *procp; | |
23 | char s[4]; | |
24 | ||
25 | cntval = 1; | |
26 | adrflg = 0; | |
27 | errflg = 0; | |
28 | ||
29 | if (scallf) { | |
30 | doscall(); | |
31 | setcur(1); | |
32 | lastcom = NOCOM; | |
33 | return; | |
34 | } | |
35 | ||
36 | if (reflag) { /* search for regular expression */ | |
37 | dore(); | |
38 | lastcom = PRCOM; | |
39 | return; | |
40 | } | |
41 | ||
42 | if (cmd == '\0') { | |
43 | if (integ != 0 && var[0] != '\0') { | |
44 | error("Invalid command (1)"); | |
45 | return; | |
46 | } | |
47 | if (integ != 0) { /* print line number */ | |
48 | ffind(integ); | |
49 | fprint(); | |
50 | lastcom = PRCOM; | |
51 | return; | |
52 | } | |
53 | if (var[0] != 0) { | |
54 | printf("Unexpected null command\n"); | |
55 | return; | |
56 | } | |
57 | } | |
58 | ||
59 | switch (cmd) { | |
60 | ||
61 | case 'Y': | |
62 | debug = !debug; | |
63 | break; | |
64 | ||
65 | case 'V': | |
66 | version(); | |
67 | break; | |
68 | ||
69 | case 'M': | |
70 | if (args[0]) { | |
71 | setmap(args); | |
72 | } else { | |
73 | printmap("? map", &txtmap); | |
74 | printmap("/ map", &datmap); | |
75 | } | |
76 | break; | |
77 | ||
78 | case 'x': | |
79 | printregs(); | |
80 | break; | |
81 | ||
82 | case 'X': | |
83 | printpc(); | |
84 | break; | |
85 | ||
86 | case 'a': | |
87 | if (integ) { | |
88 | cpstr(args, "l\n"); | |
89 | } else if (proc[0]) { | |
90 | cpall(args, "T\n"); | |
91 | } else { | |
92 | error("Bad arguments"); | |
93 | break; | |
94 | } | |
95 | goto setbrk; | |
96 | break; | |
97 | ||
98 | case 'l': | |
99 | setcur(1); | |
100 | lastcom = NOCOM; | |
101 | break; | |
102 | ||
103 | case 'T': | |
104 | prfrx(1); | |
105 | lastcom = NOCOM; | |
106 | break; | |
107 | ||
108 | case 't': | |
109 | prframe(); | |
110 | lastcom = NOCOM; | |
111 | break; | |
112 | ||
113 | case 'e': | |
114 | p = args; | |
115 | if (*p == '\0') { | |
116 | #ifndef FLEXNAMES | |
117 | printf("%.16s() in \"%s\"\n", | |
118 | curproc()->pname, curfile); | |
119 | #else | |
120 | printf("%s() in \"%s\"\n", | |
121 | curproc()->pname, curfile); | |
122 | #endif | |
123 | break; | |
124 | } | |
125 | ||
126 | while (*p != '\0') | |
127 | if (*p++ == '.') goto l1; | |
128 | /* argument is procedure name */ | |
129 | procp = findproc(args); | |
130 | if ((procp->pname[0] != '\0') && (procp->sfptr != badfile)) { | |
131 | finit(adrtofilep(procp->paddr)->sfilename); | |
132 | ffind(procp->lineno); | |
133 | } | |
134 | else printf("Can't find %s\n", args); | |
135 | #ifndef FLEXNAMES | |
136 | printf("%.16s() in \"%s\"\n", curproc()->pname, curfile); | |
137 | #else | |
138 | printf("%s() in \"%s\"\n", curproc()->pname, curfile); | |
139 | #endif | |
140 | lastcom = PRCOM; | |
141 | break; | |
142 | ||
143 | l1: /* argument is filename */ | |
144 | finit(args); | |
145 | printf("\"%s\"\n", curfile); | |
146 | lastcom = PRCOM; | |
147 | break; | |
148 | ||
149 | case 'p': | |
150 | if (integ) ffind(integ); | |
151 | fprint(); | |
152 | lastcom = PRCOM; | |
153 | break; | |
154 | ||
155 | case 'q': | |
156 | exit(0); | |
157 | ||
158 | case 'w': | |
159 | if (integ) ffind(integ); | |
160 | i = fline; | |
161 | fback(WINDOW/2); | |
162 | fprintn(WINDOW); | |
163 | ffind(i); | |
164 | lastcom = PRCOM; | |
165 | break; | |
166 | ||
167 | case 'Q': | |
168 | prdebug(); | |
169 | break; | |
170 | ||
171 | case 'z': | |
172 | if (integ) ffind(integ); | |
173 | fprintn(WINDOW); | |
174 | lastcom = PRCOM; | |
175 | break; | |
176 | ||
177 | case '-': | |
178 | fback(integ ? integ : 1); | |
179 | fpargs(); | |
180 | lastcom = PRCOM; | |
181 | break; | |
182 | ||
183 | case '+': | |
184 | fforward(integ ? integ : 1); | |
185 | fpargs(); | |
186 | lastcom = PRCOM; | |
187 | break; | |
188 | ||
189 | case '\n': | |
190 | switch (lastcom) { | |
191 | case PRCOM: | |
192 | fforward(1); | |
193 | fprint(); | |
194 | break; | |
195 | case DSCOM: | |
196 | oaddr += oincr ? oincr : typetosize(otype, WORDSIZE); | |
197 | printf("0x%x/ ", oaddr); | |
198 | dispf((ADDR) oaddr, odesc, | |
199 | oclass == N_RSYM ? oclass : N_GSYM, otype, 0, 0, DSP); | |
200 | break; | |
201 | case DSICOM: | |
202 | dot += oincr; | |
203 | prisploc(); | |
204 | dispi(dot, odesc, N_GSYM, 0, 0); | |
205 | break; | |
206 | } | |
207 | break; | |
208 | ||
209 | case '\004': | |
210 | if (!isatty(0)) | |
211 | exit(0); | |
212 | switch (lastcom) { | |
213 | case PRCOM: | |
214 | fforward(1); | |
215 | printf("\b"); | |
216 | fprintn(WINDOW); | |
217 | lastcom = PRCOM; | |
218 | break; | |
219 | case DSICOM: | |
220 | printf("\b"); | |
221 | for (i=0; i<WINDOW; i++) { | |
222 | dot += oincr; | |
223 | prisploc(); | |
224 | if (dispi(dot, odesc, N_GSYM, 0, 0) == -1) | |
225 | break; | |
226 | } | |
227 | break; | |
228 | case DSCOM: | |
229 | printf("\b"); | |
230 | for (i=0; i<WINDOW; i++) { | |
231 | oaddr += oincr ? | |
232 | oincr : typetosize(otype, WORDSIZE); | |
233 | printf("0x%x/ ", oaddr); | |
234 | if (dispf((ADDR) oaddr, odesc, | |
235 | oclass == N_RSYM ? oclass : | |
236 | N_GSYM, otype, 0, 0, DSP) == -1) | |
237 | break; | |
238 | } | |
239 | break; | |
240 | default: | |
241 | printf("\n"); | |
242 | } | |
243 | break; | |
244 | ||
245 | case 'r': | |
246 | if (args[0] == '\0') getargs(); | |
247 | case 'R': | |
248 | signo = 0; | |
249 | cpstr(oldargs, args); | |
250 | if (debug) error("calling dopcs"); | |
251 | if (integ) cntval = integ; | |
252 | if (!executing) { | |
253 | executing = TRUE; | |
254 | if (integ) cntval = integ; | |
255 | dopcs('r'); | |
256 | executing = FALSE; | |
257 | } | |
258 | if (debug) error("exiting dopcs"); | |
259 | bkaddr = -1; | |
260 | goto f1; | |
261 | ||
262 | case 'c': | |
263 | signo = 0; | |
264 | case 'C': | |
265 | if (proc[0] != '\0' || integ != 0) { | |
266 | setdot(); | |
267 | if (dot == -1) { | |
268 | error("Cannot set temporary breakpoint"); | |
269 | break; | |
270 | } | |
271 | dopcs('b'); | |
272 | bkaddr = dot; | |
273 | } else | |
274 | bkaddr = -1; | |
275 | integ = atoi(args); | |
276 | ||
277 | f1: if (debug) error("calling dopcs"); | |
278 | if (integ) cntval = integ; | |
279 | dopcs('c'); | |
280 | if (debug) error("exiting dopcs"); | |
281 | if (bkaddr != -1) { | |
282 | ADDR dotsave; | |
283 | dotsave = dot; | |
284 | dot = bkaddr; | |
285 | dopcs('d'); | |
286 | dot = dotsave; | |
287 | } | |
288 | if (!signo) printf("Breakpoint"); | |
289 | printf(" at\n"); | |
290 | setcur(1); | |
291 | lastcom = NOCOM; | |
292 | break; | |
293 | ||
294 | case 'S': | |
295 | case 's': | |
296 | signo = 0; | |
297 | integ = atoi(args); | |
298 | singstep(integ ? integ : 1, cmd); | |
299 | if (signo) printf("\n"); | |
300 | setcur(1); | |
301 | lastcom = NOCOM; | |
302 | break; | |
303 | ||
304 | case 'g': | |
305 | if (pid == 0 || signo) { | |
306 | error("Not stopped at breakpoint"); | |
307 | break; | |
308 | } | |
309 | setdot(); | |
310 | if (dot == -1) { | |
311 | error("Bad address"); | |
312 | break; | |
313 | } | |
314 | adrflg = 1; | |
315 | integ = atoi(args); | |
316 | if (integ) cntval = integ; | |
317 | dopcs('c'); | |
318 | if (!signo) printf("Breakpoint"); | |
319 | printf(" at\n"); | |
320 | setcur(1); | |
321 | lastcom = NOCOM; | |
322 | break; | |
323 | ||
324 | case 'k': | |
325 | if (scallx) { | |
326 | userpc = dot = *(ADDR *)(((ADDR)&u)+PC) = pcs; | |
327 | *(ADDR *)(((ADDR)&u)+FP) = fps; | |
328 | *(ADDR *)(((ADDR)&u)+AP) = aps; | |
329 | if (bkpts) | |
330 | bkpts->flag = flagss; | |
331 | scallx = 0; | |
332 | error("Procedure killed"); | |
333 | longjmp(env, 0); | |
334 | } else { | |
335 | dopcs('k'); | |
336 | printf("\n"); | |
337 | lastcom = NOCOM; | |
338 | break; | |
339 | } | |
340 | ||
341 | case 'B': | |
342 | prbkpt(); | |
343 | break; | |
344 | ||
345 | case 'b': | |
346 | setbrk: | |
347 | if (proc[0] == '\0' && integ == 0) { | |
348 | integ = fline; | |
349 | } | |
350 | setdot(); | |
351 | if (dot == -1 || dot == 0) { | |
352 | error("Cannot set breakpoint"); | |
353 | break; | |
354 | } | |
355 | dopcs('b'); | |
356 | s[0] = ' '; | |
357 | s[1] = cmd; | |
358 | s[2] = '\n'; | |
359 | s[3] = 0; | |
360 | s[1] = cmd; | |
361 | printbkpt(s, adrtoprocp(dot), dot); | |
362 | break; | |
363 | ||
364 | case 'd': | |
365 | if (proc[0] == '\0' && integ == 0) { | |
366 | idbkpt(); | |
367 | break; | |
368 | } | |
369 | setdot(); | |
370 | if (dot == -1) { | |
371 | error("Non existent breakpoint"); | |
372 | break; | |
373 | } | |
374 | dopcs('d'); | |
375 | break; | |
376 | ||
377 | case 'D': | |
378 | dabkpt(); | |
379 | error("All breakpoints deleted"); | |
380 | break; | |
381 | ||
382 | case 'm': | |
383 | addr = varaddr(proc[0] ? proc : curproc()->pname, var); | |
384 | printf("stopped with value %d\n", monex(addr, 'd')); | |
385 | setcur(1); | |
386 | lastcom = NOCOM; | |
387 | break; | |
388 | ||
389 | case '?': | |
390 | if (!(var[0] == '.' && var[1] == '\0')) | |
391 | setdot(); | |
392 | if (errflg) { | |
393 | error(errflg); | |
394 | break; | |
395 | } | |
396 | prisploc(); | |
397 | dispi(dot, args[0] ? args : "i", N_GSYM, 0, 0); | |
398 | lastcom = DSICOM; | |
399 | break; | |
400 | ||
401 | case '/': | |
402 | if (var[0] == '.' && var[1] == '\0') { | |
403 | if (integ == 0) integ = oaddr; | |
404 | dispf((ADDR) integ, args[0] ? args : odesc, | |
405 | oclass == N_RSYM ? oclass : N_GSYM, otype, 0, 0, DSP); | |
406 | oaddr = integ; | |
407 | } else | |
408 | if (integ && (var[0] == '\0')) { | |
409 | dispf((ADDR) integ, args, N_GSYM, 0, 0, 0, DSP); | |
410 | oaddr = integ; | |
411 | cpstr(odesc, args); | |
412 | oclass = N_GSYM; | |
413 | otype = 0; | |
414 | } else | |
415 | dispvar(proc, var, args); | |
416 | lastcom = DSCOM; | |
417 | break; | |
418 | ||
419 | case '=': | |
420 | if (var[0] == '\0') { | |
421 | if (proc[0]) { | |
422 | addr = getaddr(proc, integ); | |
423 | if (addr == -1) { | |
424 | error("Unknown address"); | |
425 | break; | |
426 | } | |
427 | } | |
428 | else | |
429 | addr = integ; | |
430 | dispf(addr, args[0] ? args : "x", 0, -1, 0, 0, DSP); | |
431 | } else | |
432 | findvar(proc, var, args[0] ? args : "x", 2); | |
433 | break; | |
434 | ||
435 | case '!': | |
436 | if (var[0] == '\0') | |
437 | addr = getaddr(proc, integ); | |
438 | else | |
439 | addr = varaddr(proc, var); | |
440 | if (addr == -1) | |
441 | error("Unknown variable"); | |
442 | else { | |
443 | if (number(args[0]) || eqany(args[0], ".-")) { | |
444 | char *p; | |
445 | double atof(); | |
446 | union { | |
447 | struct{ | |
448 | int w1, w2; | |
449 | } ww; | |
450 | double d; | |
451 | } dbl; | |
452 | ||
453 | p = (args[0] == '-') ? args+1 : args; | |
454 | for (; *p != '.' && *p != 'e'; p++) { | |
455 | if (!number(*p)) goto l2; | |
456 | } | |
457 | dbl.d = atof(args); | |
458 | putval(addr, 'd', dbl.ww.w1); | |
459 | if (typetodesc(sl_type,0)[0] == 'g') | |
460 | putval(addr+WORDSIZE, 'd', dbl.ww.w2); | |
461 | break; | |
462 | } | |
463 | l2: if (percentflag) | |
464 | *(ADDR *)(((ADDR)&u)+addr) = argvalue(args); | |
465 | else if (sl_class == N_RSYM && addr < 16) | |
466 | putreg(addr,typetodesc(sl_type,subflag)[0], | |
467 | argvalue(args)); | |
468 | else | |
469 | putval(addr,typetodesc(sl_type,subflag)[0], | |
470 | argvalue(args)); | |
471 | } | |
472 | lastcom = NOCOM; | |
473 | break; | |
474 | ||
475 | case '"': | |
476 | printf(args); | |
477 | break; | |
478 | } | |
479 | } | |
480 | ||
481 | fpargs() { | |
482 | register int i; | |
483 | ||
484 | switch(args[0]) { | |
485 | case 'p': | |
486 | case '\0': | |
487 | fprint(); | |
488 | break; | |
489 | case 'w': | |
490 | i = fline; | |
491 | fback(WINDOW/2); | |
492 | fprintn(WINDOW); | |
493 | ffind(i); | |
494 | break; | |
495 | case 'z': | |
496 | fprintn(WINDOW); | |
497 | break; | |
498 | } | |
499 | } | |
500 | ||
501 | MSG BADTXT; | |
502 | /* Used by a, b, c, C, d and g commands to find linenumber */ | |
503 | setdot() { | |
504 | if (ncolonflag) { | |
505 | dot = integ; | |
506 | get(dot, ISP); | |
507 | if (errflg) | |
508 | dot = -1; | |
509 | } else { | |
510 | dot = getaddr(proc, integ); | |
511 | if (dot == -1) | |
512 | errflg = "Bad line number"; | |
513 | } | |
514 | } |