872 	if (curthread->t_dtrace_step) {  in fasttrap_pid_probe()
873 		ASSERT(curthread->t_dtrace_on);  in fasttrap_pid_probe()
874 		fasttrap_sigtrap(p, curthread, pc);  in fasttrap_pid_probe()
881 	curthread->t_dtrace_ft = 0;  in fasttrap_pid_probe()
882 	curthread->t_dtrace_pc = 0;  in fasttrap_pid_probe()
883 	curthread->t_dtrace_npc = 0;  in fasttrap_pid_probe()
884 	curthread->t_dtrace_scrpc = 0;  in fasttrap_pid_probe()
885 	curthread->t_dtrace_astpc = 0;  in fasttrap_pid_probe()
886 	curthread->t_dtrace_regv = 0;  in fasttrap_pid_probe()
1091 			fasttrap_sigsegv(p, curthread, rp->r_sp);  in fasttrap_pid_probe()
1226 			fasttrap_sigsegv(p, curthread, addr);  in fasttrap_pid_probe()
1262 					fasttrap_sigsegv(p, curthread, addr);  in fasttrap_pid_probe()
1270 						fasttrap_sigsegv(p, curthread,  in fasttrap_pid_probe()
1281 						fasttrap_sigsegv(p, curthread,  in fasttrap_pid_probe()
1313 				fasttrap_sigsegv(p, curthread, addr);  in fasttrap_pid_probe()
1328 		klwp_t *lwp = ttolwp(curthread);  in fasttrap_pid_probe()
1429 		curthread->t_dtrace_scrpc = addr;  in fasttrap_pid_probe()
1462 				curthread->t_dtrace_reg = REG_RAX;  in fasttrap_pid_probe()
1466 				curthread->t_dtrace_reg = REG_RCX;  in fasttrap_pid_probe()
1470 				curthread->t_dtrace_reg = REG_R8;  in fasttrap_pid_probe()
1474 				curthread->t_dtrace_reg = REG_R9;  in fasttrap_pid_probe()
1480 			curthread->t_dtrace_regv = *reg;  in fasttrap_pid_probe()
1512 		curthread->t_dtrace_astpc = addr + i;  in fasttrap_pid_probe()
1521 			fasttrap_sigtrap(p, curthread, pc);  in fasttrap_pid_probe()
1527 			curthread->t_dtrace_step = 1;  in fasttrap_pid_probe()
1528 			curthread->t_dtrace_ret = 1;  in fasttrap_pid_probe()
1529 			new_pc = curthread->t_dtrace_astpc;  in fasttrap_pid_probe()
1531 			new_pc = curthread->t_dtrace_scrpc;  in fasttrap_pid_probe()
1534 		curthread->t_dtrace_pc = pc;  in fasttrap_pid_probe()
1535 		curthread->t_dtrace_npc = pc + tp->ftt_size;  in fasttrap_pid_probe()
1536 		curthread->t_dtrace_on = 1;  in fasttrap_pid_probe()
1570 			ASSERT(curthread->t_dtrace_ret != 0);  in fasttrap_pid_probe()
1571 			ASSERT(curthread->t_dtrace_pc == pc);  in fasttrap_pid_probe()
1572 			ASSERT(curthread->t_dtrace_scrpc != 0);  in fasttrap_pid_probe()
1573 			ASSERT(new_pc == curthread->t_dtrace_astpc);  in fasttrap_pid_probe()
1586 	uintptr_t pc = curthread->t_dtrace_pc;  in fasttrap_return_probe()
1587 	uintptr_t npc = curthread->t_dtrace_npc;  in fasttrap_return_probe()
1589 	curthread->t_dtrace_pc = 0;  in fasttrap_return_probe()
1590 	curthread->t_dtrace_npc = 0;  in fasttrap_return_probe()
1591 	curthread->t_dtrace_scrpc = 0;  in fasttrap_return_probe()
1592 	curthread->t_dtrace_astpc = 0;  in fasttrap_return_probe()
1622 	return (fasttrap_anarg(ttolwp(curthread)->lwp_regs, 1, argno));  in fasttrap_pid_getarg()
1630 	return (fasttrap_anarg(ttolwp(curthread)->lwp_regs, 0, argno));  in fasttrap_usdt_getarg()