osfmk/i386/pcb.c

256 set_live_debug_state32(cpu_data_t *cdp, x86_debug_state32_t *ds)
258 	__asm__ volatile ("movl %0,%%db0" : :"r" (ds->dr0));
259 	__asm__ volatile ("movl %0,%%db1" : :"r" (ds->dr1));
260 	__asm__ volatile ("movl %0,%%db2" : :"r" (ds->dr2));
261 	__asm__ volatile ("movl %0,%%db3" : :"r" (ds->dr3));
263 		cdp->cpu_dr7 = ds->dr7;
266 extern void set_64bit_debug_regs(x86_debug_state64_t *ds);
269 set_live_debug_state64(cpu_data_t *cdp, x86_debug_state64_t *ds)
275 	set_64bit_debug_regs(ds);
276 	cdp->cpu_dr7 = ds->dr7;
280 debug_state_is_valid32(x86_debug_state32_t *ds)
282 	if (!dr7_is_valid(&ds->dr7))
290 	if (ds->dr7 & 0x1)
291 		if (ds->dr0 >= (unsigned long)HIGH_MEM_BASE)
294 	if (ds->dr7 & (0x1<<2))
295 		if (ds->dr1 >= (unsigned long)HIGH_MEM_BASE)
298 	if (ds->dr7 & (0x1<<4))
299 		if (ds->dr2 >= (unsigned long)HIGH_MEM_BASE)
302 	if (ds->dr7 & (0x1<<6))
303 		if (ds->dr3 >= (unsigned long)HIGH_MEM_BASE)
311 debug_state_is_valid64(x86_debug_state64_t *ds)
313 	if (!dr7_is_valid((uint32_t *)&ds->dr7))
320 	if (ds->dr7 & 0x1)
321 		if (ds->dr0 >= VM_MAX_PAGE_ADDRESS)
324 	if (ds->dr7 & (0x1<<2))
325 		if (ds->dr1 >= VM_MAX_PAGE_ADDRESS)
328 	if (ds->dr7 & (0x1<<4))
329 		if (ds->dr2 >= VM_MAX_PAGE_ADDRESS)
332 	if (ds->dr7 & (0x1<<6))
333 		if (ds->dr3 >= VM_MAX_PAGE_ADDRESS)
341 set_debug_state32(thread_t thread, x86_debug_state32_t *ds)
349 	if (debug_state_is_valid32(ds) != TRUE) {
369 	copy_debug_state32(ds, ids, FALSE);
375 set_debug_state64(thread_t thread, x86_debug_state64_t *ds)
383 	if (debug_state_is_valid64(ds) != TRUE) {
402 	copy_debug_state64(ds, ids, FALSE);
408 get_debug_state32(thread_t thread, x86_debug_state32_t *ds)
415 		copy_debug_state32(saved_state, ds, TRUE);
417 		bzero(ds, sizeof *ds);
421 get_debug_state64(thread_t thread, x86_debug_state64_t *ds)
428 		copy_debug_state64(saved_state, ds, TRUE);
430 		bzero(ds, sizeof *ds);
631 	if (ts->ds == 0) ts->ds = USER_DS;
641 	ts->ds = USER_DS;
648 					  ts->ds,
666 	saved_state->ds = ts->ds;
743 	ts->ds = saved_state->ds;
813 					state->ds,
854 		saved_state->ds = state->ds;
1198 		state->ds = saved_state->ds & 0xffff;
1565 		state->ds = saved_state->ds & 0xffff;
1645 			state->uts.ts32.ds = saved_state->ds & 0xffff;
1976 	x86_debug_state32_t ds;
1982 	x86_debug_state64_t ds;
2020 						(thread_state_t)&ic64->ds,
2054 						(thread_state_t)&ic32->ds,