dev/i386/fasttrap_isa.c

968 	uthread_t uthread = (uthread_t)get_bsdthread_info(current_thread());
976 	if (uthread->t_dtrace_step) {
977 		ASSERT(uthread->t_dtrace_on);
978 		fasttrap_sigtrap(p, uthread, pc);
985 	uthread->t_dtrace_ft = 0;
986 	uthread->t_dtrace_pc = 0;
987 	uthread->t_dtrace_npc = 0;
988 	uthread->t_dtrace_scrpc = 0;
989 	uthread->t_dtrace_astpc = 0;
1158 				fasttrap_sigsegv(p, uthread, (user_addr_t)regs32->uesp);
1288 				fasttrap_sigsegv(p, uthread, addr);
1324 						fasttrap_sigsegv(p, uthread, addr);
1332 						fasttrap_sigsegv(p, uthread, addr);
1353 					fasttrap_sigsegv(p, uthread, addr);
1407 			addr = uthread->t_dtrace_scratch->addr;
1410 				fasttrap_sigtrap(p, uthread, pc); // Should be killing target proc
1417 			uthread->t_dtrace_scrpc = addr;
1430 			uthread->t_dtrace_astpc = addr + i;
1439 				fasttrap_sigtrap(p, uthread, pc);
1445 				uthread->t_dtrace_step = 1;
1446 				uthread->t_dtrace_ret = 1;
1447 				new_pc = uthread->t_dtrace_astpc;
1449 				new_pc = uthread->t_dtrace_scrpc;
1452 			uthread->t_dtrace_pc = pc;
1453 			uthread->t_dtrace_npc = pc + tp->ftt_size;
1454 			uthread->t_dtrace_on = 1;
1490 			ASSERT(uthread->t_dtrace_ret != 0);
1491 			ASSERT(uthread->t_dtrace_pc == pc);
1492 			ASSERT(uthread->t_dtrace_scrpc != 0);
1493 			ASSERT(new_pc == uthread->t_dtrace_astpc);
1526 	uthread_t uthread = (uthread_t)get_bsdthread_info(current_thread());
1534 	if (uthread->t_dtrace_step) {
1535 		ASSERT(uthread->t_dtrace_on);
1536 		fasttrap_sigtrap(p, uthread, pc);
1543 	uthread->t_dtrace_ft = 0;
1544 	uthread->t_dtrace_pc = 0;
1545 	uthread->t_dtrace_npc = 0;
1546 	uthread->t_dtrace_scrpc = 0;
1547 	uthread->t_dtrace_astpc = 0;
1548 	uthread->t_dtrace_regv = 0;
1700 				fasttrap_sigsegv(p, uthread, (user_addr_t)regs64->isf.rsp);
1830 				fasttrap_sigsegv(p, uthread, addr);
1866 						fasttrap_sigsegv(p, uthread, addr);
1872 						fasttrap_sigsegv(p, uthread, addr);
1893 					fasttrap_sigsegv(p, uthread, addr);
1991 			addr = uthread->t_dtrace_scratch->addr;
1994 				fasttrap_sigtrap(p, uthread, pc); // Should be killing target proc
2001 			uthread->t_dtrace_scrpc = addr;
2033 						uthread->t_dtrace_reg = REG_RAX;
2037 						uthread->t_dtrace_reg = REG_RCX;
2041 						uthread->t_dtrace_reg = REG_R8;
2045 						uthread->t_dtrace_reg = REG_R9;
2054 				uthread->t_dtrace_regv = *reg;
2075 			uthread->t_dtrace_astpc = addr + i;
2084 				fasttrap_sigtrap(p, uthread, pc);
2090 				uthread->t_dtrace_step = 1;
2091 				uthread->t_dtrace_ret = 1;
2092 				new_pc = uthread->t_dtrace_astpc;
2094 				new_pc = uthread->t_dtrace_scrpc;
2097 			uthread->t_dtrace_pc = pc;
2098 			uthread->t_dtrace_npc = pc + tp->ftt_size;
2099 			uthread->t_dtrace_on = 1;
2136 			ASSERT(uthread->t_dtrace_ret != 0);
2137 			ASSERT(uthread->t_dtrace_pc == pc);
2138 			ASSERT(uthread->t_dtrace_scrpc != 0);
2139 			ASSERT(new_pc == uthread->t_dtrace_astpc);
2173 	uthread_t uthread = (uthread_t)get_bsdthread_info(current_thread());
2174 	user_addr_t pc = uthread->t_dtrace_pc;
2175 	user_addr_t npc = uthread->t_dtrace_npc;
2177 	uthread->t_dtrace_pc = 0;
2178 	uthread->t_dtrace_npc = 0;
2179 	uthread->t_dtrace_scrpc = 0;
2180 	uthread->t_dtrace_astpc = 0;