1 564ca709 2004-04-19 devnull #include <u.h>
  2 564ca709 2004-04-19 devnull #include <libc.h>
  3 564ca709 2004-04-19 devnull #include <bio.h>
  4 564ca709 2004-04-19 devnull #include <mach.h>
  5 564ca709 2004-04-19 devnull #define Extern
  6 564ca709 2004-04-19 devnull #include "acid.h"
  7 564ca709 2004-04-19 devnull #include "y.tab.h"
  8 564ca709 2004-04-19 devnull 
  9 564ca709 2004-04-19 devnull extern int __ifmt(Fmt*);
 10 564ca709 2004-04-19 devnull 
 11 564ca709 2004-04-19 devnull static Biobuf	bioout;
 12 564ca709 2004-04-19 devnull static char*	lm[16];
 13 564ca709 2004-04-19 devnull static int	nlm;
 14 564ca709 2004-04-19 devnull static char*	mtype;
 15 564ca709 2004-04-19 devnull 
 16 564ca709 2004-04-19 devnull static	int attachfiles(int, char**);
 17 564ca709 2004-04-19 devnull int	xfmt(Fmt*);
 18 564ca709 2004-04-19 devnull int	isnumeric(char*);
 19 564ca709 2004-04-19 devnull void	die(void);
 20 564ca709 2004-04-19 devnull void	setcore(Fhdr*);
 21 564ca709 2004-04-19 devnull 
 22 564ca709 2004-04-19 devnull void
 23 564ca709 2004-04-19 devnull usage(void)
 24 564ca709 2004-04-19 devnull {
 25 564ca709 2004-04-19 devnull 	fprint(2, "usage: acid [-c core] [-l module] [-m machine] [-qrw] [-k] [pid] [file]\n");
 26 564ca709 2004-04-19 devnull 	exits("usage");
 27 f9aa99c7 2004-06-09 devnull }
 28 f9aa99c7 2004-06-09 devnull 
 29 f9aa99c7 2004-06-09 devnull Map*
 30 f9aa99c7 2004-06-09 devnull dumbmap(int fd)
 31 f9aa99c7 2004-06-09 devnull {
 32 f9aa99c7 2004-06-09 devnull 	Map *dumb;
 33 f9aa99c7 2004-06-09 devnull 	Seg s;
 34 f9aa99c7 2004-06-09 devnull 
 35 f9aa99c7 2004-06-09 devnull 	dumb = allocmap();
 36 f9aa99c7 2004-06-09 devnull 	memset(&s, 0, sizeof s);
 37 f9aa99c7 2004-06-09 devnull 	s.fd = fd;
 38 f9aa99c7 2004-06-09 devnull 	s.base = 0;
 39 f9aa99c7 2004-06-09 devnull 	s.offset = 0;
 40 f9aa99c7 2004-06-09 devnull 	s.size = 0xFFFFFFFF;
 41 f9aa99c7 2004-06-09 devnull 	s.name = "data";
 42 f9aa99c7 2004-06-09 devnull 	s.file = "<dumb>";
 43 f9aa99c7 2004-06-09 devnull 	if(addseg(dumb, s) < 0){
 44 f9aa99c7 2004-06-09 devnull 		freemap(dumb);
 45 f9aa99c7 2004-06-09 devnull 		return nil;
 46 f9aa99c7 2004-06-09 devnull 	}
 47 f9aa99c7 2004-06-09 devnull 	if(mach == nil)
 48 f9aa99c7 2004-06-09 devnull 		mach = machcpu;
 49 f9aa99c7 2004-06-09 devnull 	return dumb;
 50 564ca709 2004-04-19 devnull }
 51 564ca709 2004-04-19 devnull 
 52 564ca709 2004-04-19 devnull void
 53 564ca709 2004-04-19 devnull main(int argc, char *argv[])
 54 564ca709 2004-04-19 devnull {
 55 f7b74c17 2004-12-28 devnull 	Lsym *volatile l;
 56 564ca709 2004-04-19 devnull 	Node *n;
 57 564ca709 2004-04-19 devnull 	char buf[128], *s;
 58 564ca709 2004-04-19 devnull 	int pid, i;
 59 564ca709 2004-04-19 devnull 
 60 564ca709 2004-04-19 devnull 	argv0 = argv[0];
 61 564ca709 2004-04-19 devnull 	pid = 0;
 62 564ca709 2004-04-19 devnull 	quiet = 1;
 63 564ca709 2004-04-19 devnull 
 64 564ca709 2004-04-19 devnull 	mtype = 0;
 65 564ca709 2004-04-19 devnull 	ARGBEGIN{
 66 564ca709 2004-04-19 devnull 	case 'A':
 67 564ca709 2004-04-19 devnull 		abort();
 68 564ca709 2004-04-19 devnull 		break;
 69 564ca709 2004-04-19 devnull 	case 'm':
 70 564ca709 2004-04-19 devnull 		mtype = ARGF();
 71 564ca709 2004-04-19 devnull 		break;
 72 564ca709 2004-04-19 devnull 	case 'w':
 73 564ca709 2004-04-19 devnull 		wtflag = 1;
 74 564ca709 2004-04-19 devnull 		break;
 75 564ca709 2004-04-19 devnull 	case 'l':
 76 564ca709 2004-04-19 devnull 		s = ARGF();
 77 564ca709 2004-04-19 devnull 		if(s == 0)
 78 564ca709 2004-04-19 devnull 			usage();
 79 564ca709 2004-04-19 devnull 		lm[nlm++] = s;
 80 564ca709 2004-04-19 devnull 		break;
 81 564ca709 2004-04-19 devnull 	case 'k':
 82 564ca709 2004-04-19 devnull 		kernel++;
 83 564ca709 2004-04-19 devnull 		break;
 84 564ca709 2004-04-19 devnull 	case 'q':
 85 564ca709 2004-04-19 devnull 		quiet = 0;
 86 564ca709 2004-04-19 devnull 		break;
 87 564ca709 2004-04-19 devnull 	case 'r':
 88 564ca709 2004-04-19 devnull 		pid = 1;
 89 564ca709 2004-04-19 devnull 		remote++;
 90 564ca709 2004-04-19 devnull 		kernel++;
 91 564ca709 2004-04-19 devnull 		break;
 92 564ca709 2004-04-19 devnull 	default:
 93 564ca709 2004-04-19 devnull 		usage();
 94 564ca709 2004-04-19 devnull 	}ARGEND
 95 564ca709 2004-04-19 devnull 
 96 564ca709 2004-04-19 devnull 	fmtinstall('Z', Zfmt);
 97 564ca709 2004-04-19 devnull 	fmtinstall('L', locfmt);
 98 564ca709 2004-04-19 devnull 	Binit(&bioout, 1, OWRITE);
 99 564ca709 2004-04-19 devnull 	bout = &bioout;
100 564ca709 2004-04-19 devnull 
101 e637c944 2004-04-20 devnull 	initexpr();
102 d2cbcb77 2004-04-20 devnull 	initprint();
103 564ca709 2004-04-19 devnull 	kinit();
104 564ca709 2004-04-19 devnull 	initialising = 1;
105 564ca709 2004-04-19 devnull 	pushfile(0);
106 564ca709 2004-04-19 devnull 	loadvars();
107 564ca709 2004-04-19 devnull 	installbuiltin();
108 4f2ac1b7 2005-01-23 devnull 	acidregs = mallocz(sizeof *acidregs, 1);
109 4f2ac1b7 2005-01-23 devnull 	acidregs->rw = acidregsrw;
110 564ca709 2004-04-19 devnull 
111 564ca709 2004-04-19 devnull 	if(mtype && machbyname(mtype) == 0)
112 564ca709 2004-04-19 devnull 		print("unknown machine %s", mtype);
113 564ca709 2004-04-19 devnull 
114 564ca709 2004-04-19 devnull 	if (attachfiles(argc, argv) < 0)
115 564ca709 2004-04-19 devnull 		varreg();		/* use default register set on error */
116 564ca709 2004-04-19 devnull 	if(mach == nil)
117 564ca709 2004-04-19 devnull 		mach = machcpu;
118 564ca709 2004-04-19 devnull 
119 564ca709 2004-04-19 devnull 	symhdr = nil;	/* not supposed to use this anymore */
120 564ca709 2004-04-19 devnull 
121 564ca709 2004-04-19 devnull 	l = mkvar("acid");
122 564ca709 2004-04-19 devnull 	l->v->set = 1;
123 564ca709 2004-04-19 devnull 	l->v->type = TLIST;
124 564ca709 2004-04-19 devnull 	l->v->store.u.l = nil;
125 564ca709 2004-04-19 devnull 
126 13e66070 2004-04-20 devnull 	loadmodule(unsharp("#9/acid/port"));
127 564ca709 2004-04-19 devnull 	for(i = 0; i < nlm; i++) {
128 564ca709 2004-04-19 devnull 		if(access(lm[i], AREAD) >= 0)
129 564ca709 2004-04-19 devnull 			loadmodule(lm[i]);
130 564ca709 2004-04-19 devnull 		else {
131 13e66070 2004-04-20 devnull 			sprint(buf, "#9/acid/%s", lm[i]);
132 13e66070 2004-04-20 devnull 			loadmodule(unsharp(buf));
133 564ca709 2004-04-19 devnull 		}
134 564ca709 2004-04-19 devnull 	}
135 564ca709 2004-04-19 devnull 
136 564ca709 2004-04-19 devnull 	userinit();
137 564ca709 2004-04-19 devnull 	varsym();
138 564ca709 2004-04-19 devnull 
139 564ca709 2004-04-19 devnull 	l = look("acidmap");
140 564ca709 2004-04-19 devnull 	if(l && l->proc) {
141 b4a659b6 2004-04-19 devnull 		if(setjmp(err) == 0){
142 b4a659b6 2004-04-19 devnull 			n = an(ONAME, ZN, ZN);
143 b4a659b6 2004-04-19 devnull 			n->sym = l;
144 b4a659b6 2004-04-19 devnull 			n = an(OCALL, n, ZN);
145 b4a659b6 2004-04-19 devnull 			execute(n);
146 b4a659b6 2004-04-19 devnull 		}
147 564ca709 2004-04-19 devnull 	}
148 564ca709 2004-04-19 devnull 
149 564ca709 2004-04-19 devnull 	interactive = 1;
150 564ca709 2004-04-19 devnull 	initialising = 0;
151 564ca709 2004-04-19 devnull 	line = 1;
152 564ca709 2004-04-19 devnull 
153 564ca709 2004-04-19 devnull 	notify(catcher);
154 564ca709 2004-04-19 devnull 
155 564ca709 2004-04-19 devnull 	for(;;) {
156 564ca709 2004-04-19 devnull 		if(setjmp(err)) {
157 564ca709 2004-04-19 devnull 			Binit(&bioout, 1, OWRITE);
158 564ca709 2004-04-19 devnull 			unwind();
159 564ca709 2004-04-19 devnull 		}
160 564ca709 2004-04-19 devnull 		stacked = 0;
161 564ca709 2004-04-19 devnull 
162 564ca709 2004-04-19 devnull 		Bprint(bout, "acid; ");
163 564ca709 2004-04-19 devnull 
164 564ca709 2004-04-19 devnull 		if(yyparse() != 1)
165 564ca709 2004-04-19 devnull 			die();
166 564ca709 2004-04-19 devnull 		restartio();
167 564ca709 2004-04-19 devnull 
168 564ca709 2004-04-19 devnull 		unwind();
169 564ca709 2004-04-19 devnull 	}
170 9268e33d 2005-01-14 devnull /*
171 564ca709 2004-04-19 devnull 	Bputc(bout, '\n');
172 564ca709 2004-04-19 devnull 	exits(0);
173 9268e33d 2005-01-14 devnull */
174 4f2ac1b7 2005-01-23 devnull }
175 4f2ac1b7 2005-01-23 devnull 
176 4f2ac1b7 2005-01-23 devnull void
177 4f2ac1b7 2005-01-23 devnull setstring(char *var, char *s)
178 4f2ac1b7 2005-01-23 devnull {
179 4f2ac1b7 2005-01-23 devnull 	Lsym *l;
180 4f2ac1b7 2005-01-23 devnull 	Value *v;
181 4f2ac1b7 2005-01-23 devnull 
182 4f2ac1b7 2005-01-23 devnull 	l = mkvar(var);
183 4f2ac1b7 2005-01-23 devnull 	v = l->v;
184 4f2ac1b7 2005-01-23 devnull 	v->store.fmt = 's';
185 4f2ac1b7 2005-01-23 devnull 	v->set = 1;
186 4f2ac1b7 2005-01-23 devnull 	v->store.u.string = strnode(s ? s : "");
187 4f2ac1b7 2005-01-23 devnull 	v->type = TSTRING;
188 564ca709 2004-04-19 devnull }
189 564ca709 2004-04-19 devnull 
190 564ca709 2004-04-19 devnull static int
191 564ca709 2004-04-19 devnull attachfiles(int argc, char **argv)
192 564ca709 2004-04-19 devnull {
193 f7b74c17 2004-12-28 devnull 	volatile int pid;
194 564ca709 2004-04-19 devnull 	Lsym *l;
195 564ca709 2004-04-19 devnull 
196 b4a659b6 2004-04-19 devnull 	pid = 0;
197 564ca709 2004-04-19 devnull 	interactive = 0;
198 7b8a3f12 2005-02-11 devnull 
199 564ca709 2004-04-19 devnull 	if(setjmp(err))
200 564ca709 2004-04-19 devnull 		return -1;
201 564ca709 2004-04-19 devnull 
202 7b8a3f12 2005-02-11 devnull 	attachargs(argc, argv, wtflag?ORDWR:OREAD, 1);
203 564ca709 2004-04-19 devnull 
204 4f2ac1b7 2005-01-23 devnull 	setstring("objtype", mach->name);
205 4f2ac1b7 2005-01-23 devnull 	setstring("textfile", symfil);
206 4f2ac1b7 2005-01-23 devnull 	setstring("systype", symhdr ? symhdr->aname : "");
207 4f2ac1b7 2005-01-23 devnull 	setstring("corefile", corfil);
208 564ca709 2004-04-19 devnull 
209 4f2ac1b7 2005-01-23 devnull 	l = mkvar("pids");
210 4f2ac1b7 2005-01-23 devnull 	l->v->set = 1;
211 4f2ac1b7 2005-01-23 devnull 	l->v->type = TLIST;
212 4f2ac1b7 2005-01-23 devnull 	l->v->store.u.l = nil;
213 564ca709 2004-04-19 devnull 
214 7b8a3f12 2005-02-11 devnull 	if(corpid)
215 7b8a3f12 2005-02-11 devnull 		sproc(corpid);
216 564ca709 2004-04-19 devnull 	if(corhdr)
217 564ca709 2004-04-19 devnull 		setcore(corhdr);
218 564ca709 2004-04-19 devnull 	varreg();
219 564ca709 2004-04-19 devnull 	return 0;
220 564ca709 2004-04-19 devnull }
221 564ca709 2004-04-19 devnull 
222 564ca709 2004-04-19 devnull void
223 564ca709 2004-04-19 devnull setcore(Fhdr *hdr)
224 564ca709 2004-04-19 devnull {
225 4f2ac1b7 2005-01-23 devnull 	int i;
226 4f2ac1b7 2005-01-23 devnull 	Lsym *l;
227 4f2ac1b7 2005-01-23 devnull 	Value *v;
228 4f2ac1b7 2005-01-23 devnull 	List **tail, *tl;
229 4f2ac1b7 2005-01-23 devnull 
230 564ca709 2004-04-19 devnull 	unmapproc(cormap);
231 564ca709 2004-04-19 devnull 	unmapfile(corhdr, cormap);
232 564ca709 2004-04-19 devnull 	free(correg);
233 564ca709 2004-04-19 devnull 	correg = nil;
234 564ca709 2004-04-19 devnull 
235 564ca709 2004-04-19 devnull 	if(hdr == nil)
236 564ca709 2004-04-19 devnull 		error("no core");
237 564ca709 2004-04-19 devnull 	if(mapfile(hdr, 0, cormap, &correg) < 0)
238 564ca709 2004-04-19 devnull 		error("mapfile %s: %r", hdr->filename);
239 564ca709 2004-04-19 devnull 	corhdr = hdr;
240 564ca709 2004-04-19 devnull 	corfil = hdr->filename;
241 4f2ac1b7 2005-01-23 devnull 
242 4f2ac1b7 2005-01-23 devnull 	l = mkvar("pid");
243 4f2ac1b7 2005-01-23 devnull 	v = l->v;
244 4f2ac1b7 2005-01-23 devnull 	v->store.fmt = 'D';
245 4f2ac1b7 2005-01-23 devnull 	v->set = 1;
246 4f2ac1b7 2005-01-23 devnull 	v->store.u.ival = hdr->pid;
247 4f2ac1b7 2005-01-23 devnull 
248 4f2ac1b7 2005-01-23 devnull 	setstring("corefile", corfil);
249 4f2ac1b7 2005-01-23 devnull 	setstring("cmdline", hdr->cmdline);
250 4f2ac1b7 2005-01-23 devnull 
251 4f2ac1b7 2005-01-23 devnull 	l = mkvar("pids");
252 4f2ac1b7 2005-01-23 devnull 	l->v->set = 1;
253 4f2ac1b7 2005-01-23 devnull 	l->v->type = TLIST;
254 4f2ac1b7 2005-01-23 devnull 	l->v->store.u.l = nil;
255 4f2ac1b7 2005-01-23 devnull 	tail = &l->v->store.u.l;
256 4f2ac1b7 2005-01-23 devnull 	for(i=0; i<hdr->nthread; i++){
257 4f2ac1b7 2005-01-23 devnull 		tl = al(TINT);
258 4f2ac1b7 2005-01-23 devnull 		tl->store.u.ival = hdr->thread[i].id;
259 4f2ac1b7 2005-01-23 devnull 		tl->store.fmt = 'X';
260 4f2ac1b7 2005-01-23 devnull 		*tail = tl;
261 4f2ac1b7 2005-01-23 devnull 		tail = &tl->next;
262 4f2ac1b7 2005-01-23 devnull 	}
263 4f2ac1b7 2005-01-23 devnull 
264 4f2ac1b7 2005-01-23 devnull 	if(hdr->nthread)
265 4f2ac1b7 2005-01-23 devnull 		sproc(hdr->thread[0].id);
266 564ca709 2004-04-19 devnull }
267 564ca709 2004-04-19 devnull 
268 564ca709 2004-04-19 devnull void
269 564ca709 2004-04-19 devnull die(void)
270 564ca709 2004-04-19 devnull {
271 564ca709 2004-04-19 devnull 	Lsym *s;
272 564ca709 2004-04-19 devnull 	List *f;
273 4f2ac1b7 2005-01-23 devnull 	int first;
274 564ca709 2004-04-19 devnull 
275 564ca709 2004-04-19 devnull 	Bprint(bout, "\n");
276 564ca709 2004-04-19 devnull 
277 4f2ac1b7 2005-01-23 devnull 	first = 1;
278 564ca709 2004-04-19 devnull 	s = look("proclist");
279 564ca709 2004-04-19 devnull 	if(s && s->v->type == TLIST) {
280 564ca709 2004-04-19 devnull 		for(f = s->v->store.u.l; f; f = f->next){
281 564ca709 2004-04-19 devnull 			detachproc((int)f->store.u.ival);
282 4f2ac1b7 2005-01-23 devnull 			Bprint(bout, "%s %d", first ? "/bin/kill -9" : "", (int)f->store.u.ival);
283 4f2ac1b7 2005-01-23 devnull 			first = 0;
284 564ca709 2004-04-19 devnull 		}
285 564ca709 2004-04-19 devnull 	}
286 4f2ac1b7 2005-01-23 devnull 	if(!first)
287 4f2ac1b7 2005-01-23 devnull 		Bprint(bout, "\n");
288 564ca709 2004-04-19 devnull 	exits(0);
289 564ca709 2004-04-19 devnull }
290 564ca709 2004-04-19 devnull 
291 564ca709 2004-04-19 devnull void
292 564ca709 2004-04-19 devnull userinit(void)
293 564ca709 2004-04-19 devnull {
294 564ca709 2004-04-19 devnull 	Lsym *l;
295 564ca709 2004-04-19 devnull 	Node *n;
296 564ca709 2004-04-19 devnull 	char buf[128], *p;
297 564ca709 2004-04-19 devnull 
298 13e66070 2004-04-20 devnull 	sprint(buf, "#9/acid/%s", mach->name);
299 13e66070 2004-04-20 devnull 	loadmodule(unsharp(buf));
300 c8b6342d 2005-01-13 devnull 	p = getenv("HOME");
301 564ca709 2004-04-19 devnull 	if(p != 0) {
302 564ca709 2004-04-19 devnull 		sprint(buf, "%s/lib/acid", p);
303 564ca709 2004-04-19 devnull 		silent = 1;
304 564ca709 2004-04-19 devnull 		loadmodule(buf);
305 564ca709 2004-04-19 devnull 	}
306 564ca709 2004-04-19 devnull 
307 564ca709 2004-04-19 devnull 	interactive = 0;
308 564ca709 2004-04-19 devnull 	if(setjmp(err)) {
309 564ca709 2004-04-19 devnull 		unwind();
310 564ca709 2004-04-19 devnull 		return;
311 564ca709 2004-04-19 devnull 	}
312 564ca709 2004-04-19 devnull 	l = look("acidinit");
313 564ca709 2004-04-19 devnull 	if(l && l->proc) {
314 564ca709 2004-04-19 devnull 		n = an(ONAME, ZN, ZN);
315 564ca709 2004-04-19 devnull 		n->sym = l;
316 564ca709 2004-04-19 devnull 		n = an(OCALL, n, ZN);
317 564ca709 2004-04-19 devnull 		execute(n);
318 564ca709 2004-04-19 devnull 	}
319 564ca709 2004-04-19 devnull }
320 564ca709 2004-04-19 devnull 
321 564ca709 2004-04-19 devnull void
322 564ca709 2004-04-19 devnull loadmodule(char *s)
323 564ca709 2004-04-19 devnull {
324 564ca709 2004-04-19 devnull 	interactive = 0;
325 564ca709 2004-04-19 devnull 	if(setjmp(err)) {
326 564ca709 2004-04-19 devnull 		unwind();
327 564ca709 2004-04-19 devnull 		return;
328 564ca709 2004-04-19 devnull 	}
329 564ca709 2004-04-19 devnull 	pushfile(s);
330 564ca709 2004-04-19 devnull 	silent = 0;
331 564ca709 2004-04-19 devnull 	yyparse();
332 564ca709 2004-04-19 devnull 	popio();
333 564ca709 2004-04-19 devnull 	return;
334 564ca709 2004-04-19 devnull }
335 564ca709 2004-04-19 devnull 
336 564ca709 2004-04-19 devnull Node*
337 564ca709 2004-04-19 devnull an(int op, Node *l, Node *r)
338 564ca709 2004-04-19 devnull {
339 564ca709 2004-04-19 devnull 	Node *n;
340 564ca709 2004-04-19 devnull 
341 564ca709 2004-04-19 devnull 	n = gmalloc(sizeof(Node));
342 564ca709 2004-04-19 devnull 	memset(n, 0, sizeof(Node));
343 564ca709 2004-04-19 devnull 	n->gc.gclink = gcl;
344 564ca709 2004-04-19 devnull 	gcl = (Gc*)n;
345 564ca709 2004-04-19 devnull 	n->op = op;
346 564ca709 2004-04-19 devnull 	n->left = l;
347 564ca709 2004-04-19 devnull 	n->right = r;
348 564ca709 2004-04-19 devnull 	return n;
349 564ca709 2004-04-19 devnull }
350 564ca709 2004-04-19 devnull 
351 564ca709 2004-04-19 devnull List*
352 564ca709 2004-04-19 devnull al(int t)
353 564ca709 2004-04-19 devnull {
354 564ca709 2004-04-19 devnull 	List *l;
355 564ca709 2004-04-19 devnull 
356 564ca709 2004-04-19 devnull 	l = gmalloc(sizeof(List));
357 564ca709 2004-04-19 devnull 	memset(l, 0, sizeof(List));
358 564ca709 2004-04-19 devnull 	l->type = t;
359 564ca709 2004-04-19 devnull 	l->gc.gclink = gcl;
360 564ca709 2004-04-19 devnull 	gcl = (Gc*)l;
361 564ca709 2004-04-19 devnull 	return l;
362 564ca709 2004-04-19 devnull }
363 564ca709 2004-04-19 devnull 
364 564ca709 2004-04-19 devnull Node*
365 564ca709 2004-04-19 devnull con(int v)
366 564ca709 2004-04-19 devnull {
367 564ca709 2004-04-19 devnull 	Node *n;
368 564ca709 2004-04-19 devnull 
369 564ca709 2004-04-19 devnull 	n = an(OCONST, ZN, ZN);
370 564ca709 2004-04-19 devnull 	n->store.u.ival = v;
371 564ca709 2004-04-19 devnull 	n->store.fmt = 'X';
372 564ca709 2004-04-19 devnull 	n->type = TINT;
373 564ca709 2004-04-19 devnull 	return n;
374 564ca709 2004-04-19 devnull }
375 564ca709 2004-04-19 devnull 
376 564ca709 2004-04-19 devnull void
377 564ca709 2004-04-19 devnull fatal(char *fmt, ...)
378 564ca709 2004-04-19 devnull {
379 564ca709 2004-04-19 devnull 	char buf[128];
380 564ca709 2004-04-19 devnull 	va_list arg;
381 564ca709 2004-04-19 devnull 
382 564ca709 2004-04-19 devnull 	va_start(arg, fmt);
383 564ca709 2004-04-19 devnull 	vseprint(buf, buf+sizeof(buf), fmt, arg);
384 564ca709 2004-04-19 devnull 	va_end(arg);
385 564ca709 2004-04-19 devnull 	fprint(2, "%s: %Z (fatal problem) %s\n", argv0, buf);
386 564ca709 2004-04-19 devnull 	exits(buf);
387 564ca709 2004-04-19 devnull }
388 564ca709 2004-04-19 devnull 
389 564ca709 2004-04-19 devnull void
390 564ca709 2004-04-19 devnull yyerror(char *fmt, ...)
391 564ca709 2004-04-19 devnull {
392 564ca709 2004-04-19 devnull 	char buf[128];
393 564ca709 2004-04-19 devnull 	va_list arg;
394 564ca709 2004-04-19 devnull 
395 564ca709 2004-04-19 devnull 	if(strcmp(fmt, "syntax error") == 0) {
396 564ca709 2004-04-19 devnull 		yyerror("syntax error, near symbol '%s'", symbol);
397 564ca709 2004-04-19 devnull 		return;
398 564ca709 2004-04-19 devnull 	}
399 564ca709 2004-04-19 devnull 	va_start(arg, fmt);
400 564ca709 2004-04-19 devnull 	vseprint(buf, buf+sizeof(buf), fmt, arg);
401 564ca709 2004-04-19 devnull 	va_end(arg);
402 564ca709 2004-04-19 devnull 	print("%Z: %s\n", buf);
403 564ca709 2004-04-19 devnull }
404 564ca709 2004-04-19 devnull 
405 564ca709 2004-04-19 devnull void
406 564ca709 2004-04-19 devnull marktree(Node *n)
407 564ca709 2004-04-19 devnull {
408 564ca709 2004-04-19 devnull 
409 564ca709 2004-04-19 devnull 	if(n == 0)
410 564ca709 2004-04-19 devnull 		return;
411 564ca709 2004-04-19 devnull 
412 564ca709 2004-04-19 devnull 	marktree(n->left);
413 564ca709 2004-04-19 devnull 	marktree(n->right);
414 564ca709 2004-04-19 devnull 
415 564ca709 2004-04-19 devnull 	n->gc.gcmark = 1;
416 564ca709 2004-04-19 devnull 	if(n->op != OCONST)
417 564ca709 2004-04-19 devnull 		return;
418 564ca709 2004-04-19 devnull 
419 564ca709 2004-04-19 devnull 	switch(n->type) {
420 564ca709 2004-04-19 devnull 	case TSTRING:
421 564ca709 2004-04-19 devnull 		n->store.u.string->gc.gcmark = 1;
422 564ca709 2004-04-19 devnull 		break;
423 564ca709 2004-04-19 devnull 	case TLIST:
424 564ca709 2004-04-19 devnull 		marklist(n->store.u.l);
425 564ca709 2004-04-19 devnull 		break;
426 564ca709 2004-04-19 devnull 	case TCODE:
427 564ca709 2004-04-19 devnull 		marktree(n->store.u.cc);
428 564ca709 2004-04-19 devnull 		break;
429 564ca709 2004-04-19 devnull 	}
430 564ca709 2004-04-19 devnull }
431 564ca709 2004-04-19 devnull 
432 564ca709 2004-04-19 devnull void
433 564ca709 2004-04-19 devnull marklist(List *l)
434 564ca709 2004-04-19 devnull {
435 564ca709 2004-04-19 devnull 	while(l) {
436 564ca709 2004-04-19 devnull 		l->gc.gcmark = 1;
437 564ca709 2004-04-19 devnull 		switch(l->type) {
438 564ca709 2004-04-19 devnull 		case TSTRING:
439 564ca709 2004-04-19 devnull 			l->store.u.string->gc.gcmark = 1;
440 564ca709 2004-04-19 devnull 			break;
441 564ca709 2004-04-19 devnull 		case TLIST:
442 564ca709 2004-04-19 devnull 			marklist(l->store.u.l);
443 564ca709 2004-04-19 devnull 			break;
444 564ca709 2004-04-19 devnull 		case TCODE:
445 564ca709 2004-04-19 devnull 			marktree(l->store.u.cc);
446 564ca709 2004-04-19 devnull 			break;
447 564ca709 2004-04-19 devnull 		}
448 564ca709 2004-04-19 devnull 		l = l->next;
449 564ca709 2004-04-19 devnull 	}
450 564ca709 2004-04-19 devnull }
451 564ca709 2004-04-19 devnull 
452 564ca709 2004-04-19 devnull void
453 564ca709 2004-04-19 devnull gc(void)
454 564ca709 2004-04-19 devnull {
455 564ca709 2004-04-19 devnull 	int i;
456 564ca709 2004-04-19 devnull 	Lsym *f;
457 564ca709 2004-04-19 devnull 	Value *v;
458 564ca709 2004-04-19 devnull 	Gc *m, **p, *next;
459 564ca709 2004-04-19 devnull 
460 564ca709 2004-04-19 devnull 	if(dogc < Mempergc)
461 564ca709 2004-04-19 devnull 		return;
462 564ca709 2004-04-19 devnull 	dogc = 0;
463 564ca709 2004-04-19 devnull 
464 564ca709 2004-04-19 devnull 	/* Mark */
465 564ca709 2004-04-19 devnull 	for(m = gcl; m; m = m->gclink)
466 564ca709 2004-04-19 devnull 		m->gcmark = 0;
467 564ca709 2004-04-19 devnull 
468 564ca709 2004-04-19 devnull 	/* Scan */
469 564ca709 2004-04-19 devnull 	for(i = 0; i < Hashsize; i++) {
470 564ca709 2004-04-19 devnull 		for(f = hash[i]; f; f = f->hash) {
471 564ca709 2004-04-19 devnull 			marktree(f->proc);
472 564ca709 2004-04-19 devnull 			if(f->lexval != Tid)
473 564ca709 2004-04-19 devnull 				continue;
474 564ca709 2004-04-19 devnull 			for(v = f->v; v; v = v->pop) {
475 564ca709 2004-04-19 devnull 				switch(v->type) {
476 564ca709 2004-04-19 devnull 				case TSTRING:
477 564ca709 2004-04-19 devnull 					v->store.u.string->gc.gcmark = 1;
478 564ca709 2004-04-19 devnull 					break;
479 564ca709 2004-04-19 devnull 				case TLIST:
480 564ca709 2004-04-19 devnull 					marklist(v->store.u.l);
481 564ca709 2004-04-19 devnull 					break;
482 564ca709 2004-04-19 devnull 				case TCODE:
483 564ca709 2004-04-19 devnull 					marktree(v->store.u.cc);
484 564ca709 2004-04-19 devnull 					break;
485 4f2ac1b7 2005-01-23 devnull 				case TCON:
486 4f2ac1b7 2005-01-23 devnull 					marktree(v->store.u.con);
487 4f2ac1b7 2005-01-23 devnull 					break;
488 564ca709 2004-04-19 devnull 				}
489 564ca709 2004-04-19 devnull 			}
490 564ca709 2004-04-19 devnull 		}
491 564ca709 2004-04-19 devnull 	}
492 564ca709 2004-04-19 devnull 
493 564ca709 2004-04-19 devnull 	/* Free */
494 564ca709 2004-04-19 devnull 	p = &gcl;
495 564ca709 2004-04-19 devnull 	for(m = gcl; m; m = next) {
496 564ca709 2004-04-19 devnull 		next = m->gclink;
497 564ca709 2004-04-19 devnull 		if(m->gcmark == 0) {
498 564ca709 2004-04-19 devnull 			*p = next;
499 564ca709 2004-04-19 devnull 			free(m);	/* Sleazy reliance on my malloc */
500 564ca709 2004-04-19 devnull 		}
501 564ca709 2004-04-19 devnull 		else
502 564ca709 2004-04-19 devnull 			p = &m->gclink;
503 564ca709 2004-04-19 devnull 	}
504 564ca709 2004-04-19 devnull }
505 564ca709 2004-04-19 devnull 
506 564ca709 2004-04-19 devnull void*
507 564ca709 2004-04-19 devnull gmalloc(long l)
508 564ca709 2004-04-19 devnull {
509 564ca709 2004-04-19 devnull 	void *p;
510 564ca709 2004-04-19 devnull 
511 564ca709 2004-04-19 devnull 	dogc += l;
512 564ca709 2004-04-19 devnull 	p = malloc(l);
513 564ca709 2004-04-19 devnull 	if(p == 0)
514 564ca709 2004-04-19 devnull 		fatal("out of memory");
515 564ca709 2004-04-19 devnull 	return p;
516 564ca709 2004-04-19 devnull }
517 564ca709 2004-04-19 devnull 
518 564ca709 2004-04-19 devnull void
519 564ca709 2004-04-19 devnull checkqid(int f1, int pid)
520 564ca709 2004-04-19 devnull {
521 564ca709 2004-04-19 devnull 	int fd;
522 564ca709 2004-04-19 devnull 	Dir *d1, *d2;
523 564ca709 2004-04-19 devnull 	char buf[128];
524 564ca709 2004-04-19 devnull 
525 564ca709 2004-04-19 devnull 	if(kernel)
526 564ca709 2004-04-19 devnull 		return;
527 564ca709 2004-04-19 devnull 
528 564ca709 2004-04-19 devnull 	d1 = dirfstat(f1);
529 564ca709 2004-04-19 devnull 	if(d1 == nil){
530 564ca709 2004-04-19 devnull 		print("checkqid: (qid not checked) dirfstat: %r\n");
531 564ca709 2004-04-19 devnull 		return;
532 564ca709 2004-04-19 devnull 	}
533 564ca709 2004-04-19 devnull 
534 564ca709 2004-04-19 devnull 	sprint(buf, "/proc/%d/text", pid);
535 564ca709 2004-04-19 devnull 	fd = open(buf, OREAD);
536 564ca709 2004-04-19 devnull 	if(fd < 0 || (d2 = dirfstat(fd)) == nil){
537 564ca709 2004-04-19 devnull 		print("checkqid: (qid not checked) dirstat %s: %r\n", buf);
538 564ca709 2004-04-19 devnull 		free(d1);
539 564ca709 2004-04-19 devnull 		if(fd >= 0)
540 564ca709 2004-04-19 devnull 			close(fd);
541 564ca709 2004-04-19 devnull 		return;
542 564ca709 2004-04-19 devnull 	}
543 564ca709 2004-04-19 devnull 
544 564ca709 2004-04-19 devnull 	close(fd);
545 564ca709 2004-04-19 devnull 
546 564ca709 2004-04-19 devnull 	if(d1->qid.path != d2->qid.path || d1->qid.vers != d2->qid.vers || d1->qid.type != d2->qid.type){
547 7b8a3f12 2005-02-11 devnull 		print("path %#llux %#llux vers %lud %lud type %d %d\n",
548 564ca709 2004-04-19 devnull 			d1->qid.path, d2->qid.path, d1->qid.vers, d2->qid.vers, d1->qid.type, d2->qid.type);
549 564ca709 2004-04-19 devnull 		print("warning: image does not match text for pid %d\n", pid);
550 564ca709 2004-04-19 devnull 	}
551 564ca709 2004-04-19 devnull 	free(d1);
552 564ca709 2004-04-19 devnull 	free(d2);
553 564ca709 2004-04-19 devnull }
554 564ca709 2004-04-19 devnull 
555 564ca709 2004-04-19 devnull void
556 564ca709 2004-04-19 devnull catcher(void *junk, char *s)
557 564ca709 2004-04-19 devnull {
558 564ca709 2004-04-19 devnull 	USED(junk);
559 564ca709 2004-04-19 devnull 
560 564ca709 2004-04-19 devnull 	if(strstr(s, "interrupt")) {
561 564ca709 2004-04-19 devnull 		gotint = 1;
562 564ca709 2004-04-19 devnull 		noted(NCONT);
563 564ca709 2004-04-19 devnull 	}
564 564ca709 2004-04-19 devnull 	if(strstr(s, "child"))
565 564ca709 2004-04-19 devnull 		noted(NCONT);
566 564ca709 2004-04-19 devnull fprint(2, "note: %s\n", s);
567 564ca709 2004-04-19 devnull 	noted(NDFLT);
568 564ca709 2004-04-19 devnull }
569 564ca709 2004-04-19 devnull 
570 564ca709 2004-04-19 devnull char*
571 564ca709 2004-04-19 devnull system(void)
572 564ca709 2004-04-19 devnull {
573 564ca709 2004-04-19 devnull 	char *cpu, *p, *q;
574 564ca709 2004-04-19 devnull 	static char kernel[128];
575 564ca709 2004-04-19 devnull 
576 564ca709 2004-04-19 devnull 	cpu = getenv("cputype");
577 564ca709 2004-04-19 devnull 	if(cpu == 0) {
578 564ca709 2004-04-19 devnull 		cpu = "mips";
579 564ca709 2004-04-19 devnull 		print("$cputype not set; assuming %s\n", cpu);
580 564ca709 2004-04-19 devnull 	}
581 564ca709 2004-04-19 devnull 	p = getenv("terminal");
582 564ca709 2004-04-19 devnull 	if(p == 0 || (p=strchr(p, ' ')) == 0 || p[1] == ' ' || p[1] == 0) {
583 564ca709 2004-04-19 devnull 		p = "9power";
584 564ca709 2004-04-19 devnull 		print("missing or bad $terminal; assuming %s\n", p);
585 564ca709 2004-04-19 devnull 	}
586 564ca709 2004-04-19 devnull 	else{
587 564ca709 2004-04-19 devnull 		p++;
588 564ca709 2004-04-19 devnull 		q = strchr(p, ' ');
589 564ca709 2004-04-19 devnull 		if(q)
590 564ca709 2004-04-19 devnull 			*q = 0;
591 564ca709 2004-04-19 devnull 		sprint(kernel, "/%s/9%s", cpu, p);
592 564ca709 2004-04-19 devnull 	}
593 564ca709 2004-04-19 devnull 	return kernel;
594 564ca709 2004-04-19 devnull }
595 564ca709 2004-04-19 devnull 
596 564ca709 2004-04-19 devnull int
597 564ca709 2004-04-19 devnull isnumeric(char *s)
598 564ca709 2004-04-19 devnull {
599 564ca709 2004-04-19 devnull 	while(*s) {
600 564ca709 2004-04-19 devnull 		if(*s < '0' || *s > '9')
601 564ca709 2004-04-19 devnull 			return 0;
602 564ca709 2004-04-19 devnull 		s++;
603 564ca709 2004-04-19 devnull 	}
604 564ca709 2004-04-19 devnull 	return 1;
605 564ca709 2004-04-19 devnull }