Cross Reference: /osnet-11/usr/src/lib/libc/i386/sys/ptrace.c

Lines Matching refs:cp
142 	cstatus_t *cp;
216 	if ((cp = GrabProc(pid)) == NULLCP)
219 	ps = &cp->pstatus;
221 		if (ProcUpdate(cp) != 0) {
222 			ReleaseProc(cp);
238 		if (pread(cp->asfd, (char *)&data, sizeof (data), (off_t)addr)
252 			GetPsargs(cp);
254 			GetSignal(cp);
257 			data = *((int *)((caddr_t)(&cp->user) + xaddr));
267 		if (pwrite(cp->asfd, (char *)&data, sizeof (data), (off_t)addr)
283 				data = (cp->user.u_reg[EFL] & ~PSL_USERMASK) |
285 			cp->user.u_reg[rx] = data;
286 			cp->flags |= CS_SETREGS;
297 		if (cp->flags & CS_SETREGS) {
301 			ps->pr_lwp.pr_reg[GS] = cp->user.u_reg[GS];
302 			ps->pr_lwp.pr_reg[FS] = cp->user.u_reg[FS];
303 			ps->pr_lwp.pr_reg[ES] = cp->user.u_reg[ES];
304 			ps->pr_lwp.pr_reg[DS] = cp->user.u_reg[DS];
305 			ps->pr_lwp.pr_reg[EDI] = cp->user.u_reg[EDI];
306 			ps->pr_lwp.pr_reg[ESI] = cp->user.u_reg[ESI];
307 			ps->pr_lwp.pr_reg[EBP] = cp->user.u_reg[EBP];
308 			ps->pr_lwp.pr_reg[ESP] = cp->user.u_reg[ESP];
309 			ps->pr_lwp.pr_reg[EBX] = cp->user.u_reg[EBX];
310 			ps->pr_lwp.pr_reg[EDX] = cp->user.u_reg[EDX];
311 			ps->pr_lwp.pr_reg[ECX] = cp->user.u_reg[ECX];
312 			ps->pr_lwp.pr_reg[EAX] = cp->user.u_reg[EAX];
313 			ps->pr_lwp.pr_reg[TRAPNO] = cp->user.u_reg[TRAPNO];
314 			ps->pr_lwp.pr_reg[ERR] = cp->user.u_reg[ERR];
315 			ps->pr_lwp.pr_reg[EIP] = cp->user.u_reg[EIP];
316 			ps->pr_lwp.pr_reg[CS] = cp->user.u_reg[CS];
317 			ps->pr_lwp.pr_reg[EFL] = cp->user.u_reg[EFL];
318 			ps->pr_lwp.pr_reg[UESP] = cp->user.u_reg[UESP];
319 			ps->pr_lwp.pr_reg[SS] = cp->user.u_reg[SS];
325 			if (writev(cp->ctlfd, iov, 2) < 0)
329 		    addr != cp->user.u_reg[EIP]) {
332 			if (write(cp->ctlfd, (char *)runctl, 2*sizeof (long))
342 			if (write(cp->ctlfd, (char *)&ctl,
353 		if (write(cp->ctlfd, (char *)runctl, 3*sizeof (long))
357 				ReleaseProc(cp);
364 		cp->flags = 0;
374 		(void) write(cp->ctlfd, (char *)&ctl,
377 		ReleaseProc(cp);
387 		if (OpenProc(cp) == 0)
389 		ReleaseProc(cp);
407 	cstatus_t *cp;
409 	for (cp = childp; cp != NULLCP; cp = cp->next)
410 		if (cp->pid == pid)
413 	return (cp);
423 	cstatus_t *cp = childp;
425 	while (cp != NULLCP) {
426 		cstatus_t *next = cp->next;
428 		if (ProcUpdate(cp) != 0)
429 			ReleaseProc(cp);
430 		cp = next;
477 OpenProc(cstatus_t *cp)
484 	MakeProcName(procname, cp->pid);
490 	omode = (cp->asfd > 0)? O_RDWR : (O_RDWR|O_EXCL);
493 	    (cp->asfd = Dupfd(fd, cp->asfd)) < 0)
498 	    (cp->ctlfd = Dupfd(fd, cp->ctlfd)) < 0)
503 	    (cp->statusfd = Dupfd(fd, cp->statusfd)) < 0)
509 	CloseProc(cp);
517 CloseProc(cstatus_t *cp)
519 	if (cp->asfd > 0)
520 		(void) close(cp->asfd);
521 	if (cp->ctlfd > 0)
522 		(void) close(cp->ctlfd);
523 	if (cp->statusfd > 0)
524 		(void) close(cp->statusfd);
525 	cp->asfd = 0;
526 	cp->ctlfd = 0;
527 	cp->statusfd = 0;
536 	cstatus_t *cp;
543 	if ((cp = FindProc(pid)) != NULLCP)	/* already grabbed */
544 		return (cp);
548 	cp = (cstatus_t *)malloc(sizeof (cstatus_t));
549 	if (cp == NULLCP)
551 	(void) memset((char *)cp, 0, sizeof (cstatus_t));
552 	cp->pid = pid;
555 	while (OpenProc(cp) == 0) {
560 		if (pread(cp->statusfd, (char *)&cp->pstatus,
561 		    sizeof (cp->pstatus), (off_t)0) == sizeof (cp->pstatus) &&
562 		    cp->pstatus.pr_ppid == ppid &&
563 		    (cp->pstatus.pr_flags & PR_PTRACE) &&
564 		    write(cp->ctlfd, (char *)ctl, 2*sizeof (long))
566 			cp->next = childp;
567 			childp = cp;
568 			MakeUser(cp);
569 			return (cp);
576 	free((char *)cp);
585 ReleaseProc(cstatus_t *cp)
587 	CloseProc(cp);
589 	if (childp == cp)
590 		childp = cp->next;
595 			if (pcp->next == cp) {
596 				pcp->next = cp->next;
602 	free((char *)cp);
610 ProcUpdate(cstatus_t *cp)
612 	pstatus_t *ps = &cp->pstatus;
614 	if (cp->flags & CS_SETREGS) {
618 		ps->pr_lwp.pr_reg[GS]   = cp->user.u_reg[GS];
619 		ps->pr_lwp.pr_reg[FS]   = cp->user.u_reg[FS];
620 		ps->pr_lwp.pr_reg[ES]   = cp->user.u_reg[ES];
621 		ps->pr_lwp.pr_reg[DS]   = cp->user.u_reg[DS];
622 		ps->pr_lwp.pr_reg[EDI]  = cp->user.u_reg[EDI];
623 		ps->pr_lwp.pr_reg[ESI]  = cp->user.u_reg[ESI];
624 		ps->pr_lwp.pr_reg[EBP]  = cp->user.u_reg[EBP];
625 		ps->pr_lwp.pr_reg[ESP]  = cp->user.u_reg[ESP];
626 		ps->pr_lwp.pr_reg[EBX]  = cp->user.u_reg[EBX];
627 		ps->pr_lwp.pr_reg[EDX]  = cp->user.u_reg[EDX];
628 		ps->pr_lwp.pr_reg[ECX]  = cp->user.u_reg[ECX];
629 		ps->pr_lwp.pr_reg[EAX]  = cp->user.u_reg[EAX];
630 		ps->pr_lwp.pr_reg[TRAPNO] = cp->user.u_reg[TRAPNO];
631 		ps->pr_lwp.pr_reg[ERR]  = cp->user.u_reg[ERR];
632 		ps->pr_lwp.pr_reg[EIP]  = cp->user.u_reg[EIP];
633 		ps->pr_lwp.pr_reg[CS]   = cp->user.u_reg[CS];
634 		ps->pr_lwp.pr_reg[EFL]  = cp->user.u_reg[EFL];
635 		ps->pr_lwp.pr_reg[UESP] = cp->user.u_reg[UESP];
636 		ps->pr_lwp.pr_reg[SS]   = cp->user.u_reg[SS];
642 		(void) writev(cp->ctlfd, iov, 2);
643 		cp->flags &= ~CS_SETREGS;
646 	while (pread(cp->statusfd, (char *)ps, sizeof (*ps), (off_t)0) < 0) {
649 		    !(errno == EAGAIN && OpenProc(cp) == 0))
654 		MakeUser(cp);
665 MakeUser(cstatus_t *cp)
667 	pstatus_t *ps = &cp->pstatus;
669 	cp->user.u_reg[GS]   = ps->pr_lwp.pr_reg[GS];
670 	cp->user.u_reg[FS]   = ps->pr_lwp.pr_reg[FS];
671 	cp->user.u_reg[ES]   = ps->pr_lwp.pr_reg[ES];
672 	cp->user.u_reg[DS]   = ps->pr_lwp.pr_reg[DS];
673 	cp->user.u_reg[EDI]  = ps->pr_lwp.pr_reg[EDI];
674 	cp->user.u_reg[ESI]  = ps->pr_lwp.pr_reg[ESI];
675 	cp->user.u_reg[EBP]  = ps->pr_lwp.pr_reg[EBP];
676 	cp->user.u_reg[ESP]  = ps->pr_lwp.pr_reg[ESP];
677 	cp->user.u_reg[EBX]  = ps->pr_lwp.pr_reg[EBX];
678 	cp->user.u_reg[EDX]  = ps->pr_lwp.pr_reg[EDX];
679 	cp->user.u_reg[ECX]  = ps->pr_lwp.pr_reg[ECX];
680 	cp->user.u_reg[EAX]  = ps->pr_lwp.pr_reg[EAX];
681 	cp->user.u_reg[TRAPNO] = ps->pr_lwp.pr_reg[TRAPNO];
682 	cp->user.u_reg[ERR]  = ps->pr_lwp.pr_reg[ERR];
683 	cp->user.u_reg[EIP]  = ps->pr_lwp.pr_reg[EIP];
684 	cp->user.u_reg[CS]   = ps->pr_lwp.pr_reg[CS];
685 	cp->user.u_reg[EFL]  = ps->pr_lwp.pr_reg[EFL];
686 	cp->user.u_reg[UESP] = ps->pr_lwp.pr_reg[UESP];
687 	cp->user.u_reg[SS]   = ps->pr_lwp.pr_reg[SS];
688 	cp->user.u_ar0 = (greg_t *)REGADDR;
689 	cp->user.u_code = ps->pr_lwp.pr_info.si_code;
690 	cp->user.u_addr = ps->pr_lwp.pr_info.si_addr;
691 	cp->flags &= ~(CS_PSARGS|CS_SIGNAL);
698 GetPsargs(cstatus_t *cp)
703 	MakeProcName(procname, cp->pid);
706 		(void) memset(cp->user.u_psargs, 0, PSARGSZ);
709 	(void) pread(fd, cp->user.u_psargs, PSARGSZ,
713 	cp->flags |= CS_PSARGS;
720 GetSignal(cstatus_t *cp)
727 	MakeProcName(procname, cp->pid);
735 		cp->user.u_signal[i] = action[i].sa_handler;
736 	cp->flags |= CS_SIGNAL;