osfmk/i386/trap.c

110 extern void kprint_state(x86_saved_state64_t *saved_state);
117 static void panic_trap(x86_saved_state32_t *saved_state);
118 static void set_recovery_ip(x86_saved_state32_t *saved_state, vm_offset_t ip);
121 static void panic_trap(x86_saved_state64_t *saved_state);
122 static void set_recovery_ip(x86_saved_state64_t *saved_state, vm_offset_t ip);
250 kprint_state(x86_saved_state64_t	*saved_state)
255 	kprintf("state at 0x%lx:\n", (uintptr_t) saved_state);
257 	kprintf("      rdi    0x%llx\n", saved_state->rdi);
258 	kprintf("      rsi    0x%llx\n", saved_state->rsi);
259 	kprintf("      rdx    0x%llx\n", saved_state->rdx);
260 	kprintf("      r10    0x%llx\n", saved_state->r10);
261 	kprintf("      r8     0x%llx\n", saved_state->r8);
262 	kprintf("      r9     0x%llx\n", saved_state->r9);
263 	kprintf("      v_arg6 0x%llx\n", saved_state->v_arg6);
264 	kprintf("      v_arg7 0x%llx\n", saved_state->v_arg7);
265 	kprintf("      v_arg8 0x%llx\n", saved_state->v_arg8);
267 	kprintf("      cr2    0x%llx\n", saved_state->cr2);
269 	kprintf("      r15    0x%llx\n", saved_state->r15);
270 	kprintf("      r14    0x%llx\n", saved_state->r14);
271 	kprintf("      r13    0x%llx\n", saved_state->r13);
272 	kprintf("      r12    0x%llx\n", saved_state->r12);
273 	kprintf("      r11    0x%llx\n", saved_state->r11);
274 	kprintf("      rbp    0x%llx\n", saved_state->rbp);
275 	kprintf("      rbx    0x%llx\n", saved_state->rbx);
276 	kprintf("      rcx    0x%llx\n", saved_state->rcx);
277 	kprintf("      rax    0x%llx\n", saved_state->rax);
279 	kprintf("      gs     0x%x\n", saved_state->gs);
280 	kprintf("      fs     0x%x\n", saved_state->fs);
282 	kprintf("  isf.trapno 0x%x\n", saved_state->isf.trapno);
283 	kprintf("  isf._pad   0x%x\n", saved_state->isf._pad);
284 	kprintf("  isf.trapfn 0x%llx\n", saved_state->isf.trapfn);
285 	kprintf("  isf.err    0x%llx\n", saved_state->isf.err);
286 	kprintf("  isf.rip    0x%llx\n", saved_state->isf.rip);
287 	kprintf("  isf.cs     0x%llx\n", saved_state->isf.cs);
288 	kprintf("  isf.rflags 0x%llx\n", saved_state->isf.rflags);
289 	kprintf("  isf.rsp    0x%llx\n", saved_state->isf.rsp);
290 	kprintf("  isf.ss     0x%llx\n", saved_state->isf.ss);
467 	x86_saved_state32_t	*saved_state;
469 	x86_saved_state64_t	*saved_state;
494 	saved_state = saved_state32(state);
497 	saved_state->cpu = cpu_number();
499 	vaddr = (user_addr_t)saved_state->cr2;
500 	type  = saved_state->trapno;
501 	code  = saved_state->err & 0xffff;
502 	intr  = (saved_state->efl & EFL_IF) != 0;	/* state of ints at trap */
503 	kern_ip = (vm_offset_t)saved_state->eip;
507 	saved_state = saved_state64(state);
510 	saved_state->isf.cpu = cpu_number();
512 	vaddr = (user_addr_t)saved_state->cr2;
513 	type  = saved_state->isf.trapno;
514 	code  = (int)(saved_state->isf.err & 0xffff);
515 	intr  = (saved_state->isf.rflags & EFL_IF) != 0;	/* state of ints at trap */
516 	kern_ip = (vm_offset_t)saved_state->isf.rip;
615 				if (__improbable((code == (T_PF_PROT | T_PF_EXECUTE)) && (pmap_smep_enabled) && (saved_state->isf.rip == vaddr))) {
663 		    if ((saved_state->efl & EFL_TF) == 0 && NO_WATCHPOINTS)
665 		    if ((saved_state->isf.rflags & EFL_TF) == 0 && NO_WATCHPOINTS)
736 			        set_recovery_ip(saved_state, rp->recover_addr);
745 			set_recovery_ip(saved_state, thread->recover);
773 			if (kdp_i386_trap(type, saved_state, result, (vm_offset_t)vaddr))
779 	panic_trap(saved_state);
788 set_recovery_ip(x86_saved_state32_t  *saved_state, vm_offset_t ip)
790         saved_state->eip = ip;
794 set_recovery_ip(x86_saved_state64_t  *saved_state, vm_offset_t ip)
796         saved_state->isf.rip = ip;
914 	x86_saved_state_t *saved_state)
929 	assert((is_saved_state32(saved_state) && !thread_is_64bit(thread)) ||
930 	       (is_saved_state64(saved_state) &&  thread_is_64bit(thread)));
932 	if (is_saved_state64(saved_state)) {
935 		regs = saved_state64(saved_state);
947 		regs = saved_state32(saved_state);
980 		saved_state, type, vaddr);
994 		if (fn(type, saved_state, 0, 0) == KERN_SUCCESS)
1043 		if (dtrace_user_probe(saved_state) == KERN_SUCCESS)
1145 		if (dtrace_user_probe(saved_state) == KERN_SUCCESS)
1224 sync_iss_to_iks(x86_saved_state_t *saved_state)
1231 	if( saved_state->flavor == THREAD_STATE_NONE )
1232 		pal_get_kern_regs( saved_state );
1236 		x86_saved_state32_t	*regs = saved_state32(saved_state);
1238 		x86_saved_state64_t	*regs = saved_state64(saved_state);
1306 sync_iss_to_iks_unconditionally(__unused x86_saved_state_t *saved_state) {