Cross Reference: /illumos-gate/usr/src/lib/libc/sparc/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));
268 		if (xaddr >= (unsigned)cp->user.u_reg[REG_SP] &&
269 		    xaddr < (unsigned)cp->user.u_reg[REG_SP]+16*sizeof (int))
270 			cp->flags |= CS_SETREGS;
271 		if (pwrite(cp->asfd, (char *)&data, sizeof (data), (off_t)addr)
287 				data = (cp->user.u_reg[REG_PS] &
291 			cp->user.u_reg[rx] = data;
292 			cp->flags |= CS_SETREGS;
303 		if (cp->flags & CS_SETREGS) {
307 			ps->pr_lwp.pr_reg[R_PSR] = cp->user.u_reg[REG_PSR];
308 			ps->pr_lwp.pr_reg[R_PC]  = cp->user.u_reg[REG_PC];
309 			ps->pr_lwp.pr_reg[R_nPC] = cp->user.u_reg[REG_nPC];
310 			ps->pr_lwp.pr_reg[R_Y]   = cp->user.u_reg[REG_Y];
311 			ps->pr_lwp.pr_reg[R_G1]  = cp->user.u_reg[REG_G1];
312 			ps->pr_lwp.pr_reg[R_G2]  = cp->user.u_reg[REG_G2];
313 			ps->pr_lwp.pr_reg[R_G3]  = cp->user.u_reg[REG_G3];
314 			ps->pr_lwp.pr_reg[R_G4]  = cp->user.u_reg[REG_G4];
315 			ps->pr_lwp.pr_reg[R_G5]  = cp->user.u_reg[REG_G5];
316 			ps->pr_lwp.pr_reg[R_G6]  = cp->user.u_reg[REG_G6];
317 			ps->pr_lwp.pr_reg[R_G7]  = cp->user.u_reg[REG_G7];
318 			ps->pr_lwp.pr_reg[R_O0]  = cp->user.u_reg[REG_O0];
319 			ps->pr_lwp.pr_reg[R_O1]  = cp->user.u_reg[REG_O1];
320 			ps->pr_lwp.pr_reg[R_O2]  = cp->user.u_reg[REG_O2];
321 			ps->pr_lwp.pr_reg[R_O3]  = cp->user.u_reg[REG_O3];
322 			ps->pr_lwp.pr_reg[R_O4]  = cp->user.u_reg[REG_O4];
323 			ps->pr_lwp.pr_reg[R_O5]  = cp->user.u_reg[REG_O5];
324 			ps->pr_lwp.pr_reg[R_O6]  = cp->user.u_reg[REG_O6];
325 			ps->pr_lwp.pr_reg[R_O7]  = cp->user.u_reg[REG_O7];
326 			(void) pread(cp->asfd, (char *)&ps->pr_lwp.pr_reg[R_L0],
327 			    16*sizeof (int), (off_t)cp->user.u_reg[REG_SP]);
333 			if (writev(cp->ctlfd, iov, 2) < 0)
337 		    (addr & ~03) != cp->user.u_reg[REG_PC]) {
340 			if (write(cp->ctlfd, (char *)runctl, 2*sizeof (long))
350 			if (write(cp->ctlfd, (char *)&ctl,
361 		if (write(cp->ctlfd, (char *)runctl, 3*sizeof (long))
365 				ReleaseProc(cp);
372 		cp->flags = 0;
382 		(void) write(cp->ctlfd, (char *)&ctl,
385 		ReleaseProc(cp);
395 		if (OpenProc(cp) == 0)
397 		ReleaseProc(cp);
415 	cstatus_t *cp;
417 	for (cp = childp; cp != NULLCP; cp = cp->next)
418 		if (cp->pid == pid)
421 	return (cp);
431 	cstatus_t *cp = childp;
433 	while (cp != NULLCP) {
434 		cstatus_t *next = cp->next;
436 		if (ProcUpdate(cp) != 0)
437 			ReleaseProc(cp);
438 		cp = next;
485 OpenProc(cstatus_t *cp)
492 	MakeProcName(procname, cp->pid);
498 	omode = (cp->asfd > 0)? O_RDWR : (O_RDWR|O_EXCL);
501 	    (cp->asfd = Dupfd(fd, cp->asfd)) < 0)
506 	    (cp->ctlfd = Dupfd(fd, cp->ctlfd)) < 0)
511 	    (cp->statusfd = Dupfd(fd, cp->statusfd)) < 0)
517 	CloseProc(cp);
525 CloseProc(cstatus_t *cp)
527 	if (cp->asfd > 0)
528 		(void) close(cp->asfd);
529 	if (cp->ctlfd > 0)
530 		(void) close(cp->ctlfd);
531 	if (cp->statusfd > 0)
532 		(void) close(cp->statusfd);
533 	cp->asfd = 0;
534 	cp->ctlfd = 0;
535 	cp->statusfd = 0;
544 	cstatus_t *cp;
551 	if ((cp = FindProc(pid)) != NULLCP)	/* already grabbed */
552 		return (cp);
556 	cp = (cstatus_t *)malloc(sizeof (cstatus_t));
557 	if (cp == NULLCP)
559 	(void) memset((char *)cp, 0, sizeof (cstatus_t));
560 	cp->pid = pid;
563 	while (OpenProc(cp) == 0) {
568 		if (pread(cp->statusfd, (char *)&cp->pstatus,
569 		    sizeof (cp->pstatus), (off_t)0) == sizeof (cp->pstatus) &&
570 		    cp->pstatus.pr_ppid == ppid &&
571 		    (cp->pstatus.pr_flags & PR_PTRACE) &&
572 		    write(cp->ctlfd, (char *)ctl, 2*sizeof (long))
574 			cp->next = childp;
575 			childp = cp;
576 			MakeUser(cp);
577 			return (cp);
584 	free((char *)cp);
593 ReleaseProc(cstatus_t *cp)
595 	CloseProc(cp);
597 	if (childp == cp)
598 		childp = cp->next;
603 			if (pcp->next == cp) {
604 				pcp->next = cp->next;
610 	free((char *)cp);
618 ProcUpdate(cstatus_t *cp)
620 	pstatus_t *ps = &cp->pstatus;
622 	if (cp->flags & CS_SETREGS) {
626 		ps->pr_lwp.pr_reg[R_PSR] = cp->user.u_reg[REG_PSR];
627 		ps->pr_lwp.pr_reg[R_PC]  = cp->user.u_reg[REG_PC];
628 		ps->pr_lwp.pr_reg[R_nPC] = cp->user.u_reg[REG_nPC];
629 		ps->pr_lwp.pr_reg[R_Y]   = cp->user.u_reg[REG_Y];
630 		ps->pr_lwp.pr_reg[R_G1]  = cp->user.u_reg[REG_G1];
631 		ps->pr_lwp.pr_reg[R_G2]  = cp->user.u_reg[REG_G2];
632 		ps->pr_lwp.pr_reg[R_G3]  = cp->user.u_reg[REG_G3];
633 		ps->pr_lwp.pr_reg[R_G4]  = cp->user.u_reg[REG_G4];
634 		ps->pr_lwp.pr_reg[R_G5]  = cp->user.u_reg[REG_G5];
635 		ps->pr_lwp.pr_reg[R_G6]  = cp->user.u_reg[REG_G6];
636 		ps->pr_lwp.pr_reg[R_G7]  = cp->user.u_reg[REG_G7];
637 		ps->pr_lwp.pr_reg[R_O0]  = cp->user.u_reg[REG_O0];
638 		ps->pr_lwp.pr_reg[R_O1]  = cp->user.u_reg[REG_O1];
639 		ps->pr_lwp.pr_reg[R_O2]  = cp->user.u_reg[REG_O2];
640 		ps->pr_lwp.pr_reg[R_O3]  = cp->user.u_reg[REG_O3];
641 		ps->pr_lwp.pr_reg[R_O4]  = cp->user.u_reg[REG_O4];
642 		ps->pr_lwp.pr_reg[R_O5]  = cp->user.u_reg[REG_O5];
643 		ps->pr_lwp.pr_reg[R_O6]  = cp->user.u_reg[REG_O6];
644 		ps->pr_lwp.pr_reg[R_O7]  = cp->user.u_reg[REG_O7];
645 		(void) pread(cp->asfd, (char *)&ps->pr_lwp.pr_reg[R_L0],
646 		    16*sizeof (int), (off_t)cp->user.u_reg[REG_SP]);
652 		(void) writev(cp->ctlfd, iov, 2);
653 		cp->flags &= ~CS_SETREGS;
656 	while (pread(cp->statusfd, (char *)ps, sizeof (*ps), (off_t)0) < 0) {
659 		    !(errno == EAGAIN && OpenProc(cp) == 0))
664 		MakeUser(cp);
675 MakeUser(cstatus_t *cp)
677 	pstatus_t *ps = &cp->pstatus;
679 	cp->user.u_reg[REG_PSR] = ps->pr_lwp.pr_reg[R_PSR];
680 	cp->user.u_reg[REG_PC]  = ps->pr_lwp.pr_reg[R_PC];
681 	cp->user.u_reg[REG_nPC] = ps->pr_lwp.pr_reg[R_nPC];
682 	cp->user.u_reg[REG_Y]   = ps->pr_lwp.pr_reg[R_Y];
683 	cp->user.u_reg[REG_G1]  = ps->pr_lwp.pr_reg[R_G1];
684 	cp->user.u_reg[REG_G2]  = ps->pr_lwp.pr_reg[R_G2];
685 	cp->user.u_reg[REG_G3]  = ps->pr_lwp.pr_reg[R_G3];
686 	cp->user.u_reg[REG_G4]  = ps->pr_lwp.pr_reg[R_G4];
687 	cp->user.u_reg[REG_G5]  = ps->pr_lwp.pr_reg[R_G5];
688 	cp->user.u_reg[REG_G6]  = ps->pr_lwp.pr_reg[R_G6];
689 	cp->user.u_reg[REG_G7]  = ps->pr_lwp.pr_reg[R_G7];
690 	cp->user.u_reg[REG_O0]  = ps->pr_lwp.pr_reg[R_O0];
691 	cp->user.u_reg[REG_O1]  = ps->pr_lwp.pr_reg[R_O1];
692 	cp->user.u_reg[REG_O2]  = ps->pr_lwp.pr_reg[R_O2];
693 	cp->user.u_reg[REG_O3]  = ps->pr_lwp.pr_reg[R_O3];
694 	cp->user.u_reg[REG_O4]  = ps->pr_lwp.pr_reg[R_O4];
695 	cp->user.u_reg[REG_O5]  = ps->pr_lwp.pr_reg[R_O5];
696 	cp->user.u_reg[REG_O6]  = ps->pr_lwp.pr_reg[R_O6];
697 	cp->user.u_reg[REG_O7]  = ps->pr_lwp.pr_reg[R_O7];
698 	cp->user.u_ar0 = (greg_t *)REGADDR;
699 	cp->user.u_code = ps->pr_lwp.pr_info.si_code;
700 	cp->user.u_addr = ps->pr_lwp.pr_info.si_addr;
701 	cp->flags &= ~(CS_PSARGS|CS_SIGNAL);
708 GetPsargs(cstatus_t *cp)
713 	MakeProcName(procname, cp->pid);
716 		(void) memset(cp->user.u_psargs, 0, PSARGSZ);
719 	(void) pread(fd, cp->user.u_psargs, PSARGSZ,
723 	cp->flags |= CS_PSARGS;
730 GetSignal(cstatus_t *cp)
737 	MakeProcName(procname, cp->pid);
745 		cp->user.u_signal[i] = action[i].sa_handler;
746 	cp->flags |= CS_SIGNAL;