Rename Debugger() into db_enter().

Using a name with the 'db_' prefix makes it invisible from the dynamic
profiler.

ok deraadt@, kettenis@, visa@

94 files changed, 251 insertions, 253 deletions

diff --git a/sys/arch/alpha/alpha/db_interface.c b/sys/arch/alpha/alpha/db_interface.c
index 80b91dd1786..9249bf3a9a3 100644
--- a/sys/arch/alpha/alpha/db_interface.c
+++ b/sys/arch/alpha/alpha/db_interface.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: db_interface.c,v 1.22 2016/04/27 11:03:24 mpi Exp $ */
+/* $OpenBSD: db_interface.c,v 1.23 2017/04/30 16:45:45 mpi Exp $ */
 /* $NetBSD: db_interface.c,v 1.8 1999/10/12 17:08:57 jdolecek Exp $ */
 
 /* 
@@ -220,7 +220,7 @@ db_write_bytes(addr, size, data)
 }
 
 void
-Debugger()
+db_enter()
 {
 
 	__asm volatile("call_pal 0x81");		/* bugchk */
diff --git a/sys/arch/alpha/alpha/lock_machdep.c b/sys/arch/alpha/alpha/lock_machdep.c
index 4c03840657b..21100c8c0ef 100644
--- a/sys/arch/alpha/alpha/lock_machdep.c
+++ b/sys/arch/alpha/alpha/lock_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lock_machdep.c,v 1.4 2016/03/19 11:34:22 mpi Exp $	*/
+/*	$OpenBSD: lock_machdep.c,v 1.5 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2007 Artur Grabowski <art@openbsd.org>
@@ -80,7 +80,7 @@ __mp_lock_spin(struct __mp_lock *mpl)
 
 	if (nticks == 0) {
 		db_printf("__mp_lock(%p): lock spun out", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 }
@@ -128,7 +128,7 @@ __mp_unlock(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_unlock(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -150,7 +150,7 @@ __mp_release_all(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_release_all(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -170,7 +170,7 @@ __mp_release_all_but_one(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_release_all_but_one(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/alpha/alpha/machdep.c b/sys/arch/alpha/alpha/machdep.c
index 8a22b6bcb71..9a0db1004fe 100644
--- a/sys/arch/alpha/alpha/machdep.c
+++ b/sys/arch/alpha/alpha/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.179 2017/04/30 13:04:49 mpi Exp $ */
+/* $OpenBSD: machdep.c,v 1.180 2017/04/30 16:45:45 mpi Exp $ */
 /* $NetBSD: machdep.c,v 1.210 2000/06/01 17:12:38 thorpej Exp $ */
 
 /*-
@@ -762,7 +762,7 @@ nobootinfo:
 	ddb_init();
 
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 	/*
 	 * Figure out our clock frequency, from RPB fields.
diff --git a/sys/arch/alpha/dev/sgmap_typedep.c b/sys/arch/alpha/dev/sgmap_typedep.c
index cb8ef29f7da..ab8643bbfa4 100644
--- a/sys/arch/alpha/dev/sgmap_typedep.c
+++ b/sys/arch/alpha/dev/sgmap_typedep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sgmap_typedep.c,v 1.14 2014/07/11 12:55:32 dlg Exp $ */
+/* $OpenBSD: sgmap_typedep.c,v 1.15 2017/04/30 16:45:45 mpi Exp $ */
 /* $NetBSD: sgmap_typedep.c,v 1.17 2001/07/19 04:27:37 thorpej Exp $ */
 
 /*-
@@ -222,7 +222,7 @@ __C(SGMAP_TYPE,_load)(bus_dma_tag_t t, bus_dmamap_t map, void *buf,
 
 #if defined(SGMAP_DEBUG) && defined(DDB)
 	if (__C(SGMAP_TYPE,_debug) > 1)
-		Debugger();
+		db_enter();
 #endif
 
 	if (error == 0) {
@@ -281,7 +281,7 @@ __C(SGMAP_TYPE,_load_mbuf)(bus_dma_tag_t t, bus_dmamap_t map,
 
 #if defined(SGMAP_DEBUG) && defined(DDB)
 	if (__C(SGMAP_TYPE,_debug) > 1)
-		Debugger();
+		db_enter();
 #endif
 
 	if (error == 0) {
@@ -358,7 +358,7 @@ __C(SGMAP_TYPE,_load_uio)(bus_dma_tag_t t, bus_dmamap_t map, struct uio *uio,
 
 #if defined(SGMAP_DEBUG) && defined(DDB)
 	if (__C(SGMAP_TYPE,_debug) > 1)
-		Debugger();
+		db_enter();
 #endif
 
 	if (error == 0) {
diff --git a/sys/arch/alpha/tc/scc.c b/sys/arch/alpha/tc/scc.c
index d25901ee6b2..e790ecc0b26 100644
--- a/sys/arch/alpha/tc/scc.c
+++ b/sys/arch/alpha/tc/scc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: scc.c,v 1.29 2010/07/02 17:27:01 nicm Exp $ */
+/* $OpenBSD: scc.c,v 1.30 2017/04/30 16:45:45 mpi Exp $ */
 /* $NetBSD: scc.c,v 1.58 2002/03/17 19:40:27 atatat Exp $ */
 
 /*
@@ -1084,7 +1084,7 @@ scc_modem_intr(dev)
 	if ((value & ZSRR0_BREAK) && CONSOLE_ON_UNIT(sc->sc_dv.dv_unit)) {
 #ifdef DDB
 		splx(s);		/* spl0()? */
-		Debugger();
+		db_enter();
 		return;
 #else
 		/* XXX maybe fall back to PROM? */
diff --git a/sys/arch/amd64/amd64/cpu.c b/sys/arch/amd64/amd64/cpu.c
index 033f4f3c03a..280fde86dc2 100644
--- a/sys/arch/amd64/amd64/cpu.c
+++ b/sys/arch/amd64/amd64/cpu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cpu.c,v 1.102 2016/07/28 21:57:57 kettenis Exp $	*/
+/*	$OpenBSD: cpu.c,v 1.103 2017/04/30 16:45:45 mpi Exp $	*/
 /* $NetBSD: cpu.c,v 1.1 2003/04/26 18:39:26 fvdl Exp $ */
 
 /*-
@@ -619,7 +619,7 @@ cpu_start_secondary(struct cpu_info *ci)
 		printf("%s: failed to become ready\n", ci->ci_dev->dv_xname);
 #if defined(MPDEBUG) && defined(DDB)
 		printf("dropping into debugger; continue from here to resume boot\n");
-		Debugger();
+		db_enter();
 #endif
 	}
 
@@ -655,7 +655,7 @@ cpu_boot_secondary(struct cpu_info *ci)
 		printf("cpu failed to start\n");
 #if defined(MPDEBUG) && defined(DDB)
 		printf("dropping into debugger; continue from here to resume boot\n");
-		Debugger();
+		db_enter();
 #endif
 	}
 }
diff --git a/sys/arch/amd64/amd64/db_interface.c b/sys/arch/amd64/amd64/db_interface.c
index c4050f84b97..c68c74026d9 100644
--- a/sys/arch/amd64/amd64/db_interface.c
+++ b/sys/arch/amd64/amd64/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.27 2017/04/20 14:13:00 visa Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.28 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: db_interface.c,v 1.1 2003/04/26 18:39:27 fvdl Exp $	*/
 
 /*
@@ -352,7 +352,7 @@ db_stopcpu(int cpu)
 void
 x86_ipi_db(struct cpu_info *ci)
 {
-	Debugger();
+	db_enter();
 }
 #endif /* MULTIPROCESSOR */
 
@@ -396,7 +396,7 @@ db_machine_init(void)
 }
 
 void
-Debugger(void)
+db_enter(void)
 {
 	breakpoint();
 }
diff --git a/sys/arch/amd64/amd64/lock_machdep.c b/sys/arch/amd64/amd64/lock_machdep.c
index 937ca7c5272..cec96af1987 100644
--- a/sys/arch/amd64/amd64/lock_machdep.c
+++ b/sys/arch/amd64/amd64/lock_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lock_machdep.c,v 1.13 2017/04/20 13:20:17 visa Exp $	*/
+/*	$OpenBSD: lock_machdep.c,v 1.14 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2007 Artur Grabowski <art@openbsd.org>
@@ -59,7 +59,7 @@ __mp_lock_spin(struct __mp_lock *mpl, u_int me)
 
 		if (--nticks <= 0) {
 			db_printf("__mp_lock(%p): lock spun out", mpl);
-			Debugger();
+			db_enter();
 			nticks = __mp_lock_spinout;
 		}
 	}
@@ -99,7 +99,7 @@ ___mp_unlock(struct __mp_lock *mpl LOCK_FL_VARS)
 #ifdef MP_LOCKDEBUG
 	if (!__mp_lock_held(mpl)) {
 		db_printf("__mp_unlock(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -149,7 +149,7 @@ ___mp_release_all_but_one(struct __mp_lock *mpl LOCK_FL_VARS)
 #ifdef MP_LOCKDEBUG
 	if (!__mp_lock_held(mpl)) {
 		db_printf("__mp_release_all_but_one(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/amd64/amd64/machdep.c b/sys/arch/amd64/amd64/machdep.c
index e8289c206f4..a65fc470ab8 100644
--- a/sys/arch/amd64/amd64/machdep.c
+++ b/sys/arch/amd64/amd64/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.227 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: machdep.c,v 1.228 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: machdep.c,v 1.3 2003/05/07 22:58:18 fvdl Exp $	*/
 
 /*-
@@ -1602,7 +1602,7 @@ init_x86_64(paddr_t first_avail)
 	db_machine_init();
 	ddb_init();
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 }
 
diff --git a/sys/arch/arm/arm/db_interface.c b/sys/arch/arm/arm/db_interface.c
index d740cd3f178..322eb123bf6 100644
--- a/sys/arch/arm/arm/db_interface.c
+++ b/sys/arch/arm/arm/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.11 2016/04/20 07:59:25 mpi Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.12 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: db_interface.c,v 1.34 2003/10/26 23:11:15 chris Exp $	*/
 
 /* 
@@ -340,7 +340,7 @@ db_write_bytes(vaddr_t addr, size_t size, char *data)
 }
 
 void
-Debugger(void)
+db_enter(void)
 {
 	asm(".word	0xe7ffffff");
 }
diff --git a/sys/arch/arm/arm/undefined.c b/sys/arch/arm/arm/undefined.c
index 95a9d451b4c..afe94ef85b7 100644
--- a/sys/arch/arm/arm/undefined.c
+++ b/sys/arch/arm/arm/undefined.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: undefined.c,v 1.9 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: undefined.c,v 1.10 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: undefined.c,v 1.22 2003/11/29 22:21:29 bjh21 Exp $	*/
 
 /*
@@ -242,7 +242,7 @@ undefinedinstruction(trapframe_t *frame)
 		if ((fault_code & FAULT_USER) == 0) {
 			printf("Undefined instruction in kernel\n");
 #ifdef DDB
-			Debugger();
+			db_enter();
 #endif
 		}
 
diff --git a/sys/arch/arm/cortex/ampintc.c b/sys/arch/arm/cortex/ampintc.c
index 3cc51e2bd0b..9e917e7821c 100644
--- a/sys/arch/arm/cortex/ampintc.c
+++ b/sys/arch/arm/cortex/ampintc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ampintc.c,v 1.19 2017/03/21 21:51:03 kettenis Exp $ */
+/* $OpenBSD: ampintc.c,v 1.20 2017/04/30 16:45:45 mpi Exp $ */
 /*
  * Copyright (c) 2007,2009,2011 Dale Rahn <drahn@openbsd.org>
  *
@@ -491,7 +491,7 @@ ampintc_irq_handler(void *frame)
 		if ((cnt++ % 100) == 0) {
 			printf("irq  %d fired * _100\n", iack_val);
 #ifdef DDB
-			Debugger();
+			db_enter();
 #endif
 		}
 
diff --git a/sys/arch/arm64/arm64/arm64_mutex.c b/sys/arch/arm64/arm64/arm64_mutex.c
index 95d27ee7673..216171967d9 100644
--- a/sys/arch/arm64/arm64/arm64_mutex.c
+++ b/sys/arch/arm64/arm64/arm64_mutex.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: arm64_mutex.c,v 1.1 2016/12/17 23:38:33 patrick Exp $ */
+/* $OpenBSD: arm64_mutex.c,v 1.2 2017/04/30 16:45:45 mpi Exp $ */
 /*
  * Copyright (c) 2004 Artur Grabowski <art@openbsd.org>
  * All rights reserved.
@@ -61,7 +61,7 @@ mtx_enter(struct mutex *mtx)
 #ifdef MP_LOCKDEBUG
 		if (--ticks == 0) {
 			db_printf("%s(%p): lock spun out", __func__, mtx);
-			Debugger();
+			db_enter();
 			ticks = __mp_lock_spinout;
 		}
 #endif
diff --git a/sys/arch/arm64/arm64/db_interface.c b/sys/arch/arm64/arm64/db_interface.c
index 1f39c3f6c24..d5d85b36e77 100644
--- a/sys/arch/arm64/arm64/db_interface.c
+++ b/sys/arch/arm64/arm64/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.2 2017/02/17 17:16:04 patrick Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.3 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: db_interface.c,v 1.34 2003/10/26 23:11:15 chris Exp $	*/
 
 /*
@@ -251,7 +251,7 @@ db_write_bytes(vaddr_t addr, size_t size, char *data)
 }
 
 void
-Debugger(void)
+db_enter(void)
 {
 	asm("brk 0");
 }
diff --git a/sys/arch/arm64/arm64/machdep.c b/sys/arch/arm64/arm64/machdep.c
index b755b43552b..c86a32747f8 100644
--- a/sys/arch/arm64/arm64/machdep.c
+++ b/sys/arch/arm64/arm64/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.14 2017/04/29 10:05:49 jsg Exp $ */
+/* $OpenBSD: machdep.c,v 1.15 2017/04/30 16:45:45 mpi Exp $ */
 /*
  * Copyright (c) 2014 Patrick Wildt <patrick@blueri.se>
  *
@@ -962,7 +962,7 @@ initarm(struct arm64_bootparams *abp)
 	ddb_init();
 
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 
 	softintr_init();
diff --git a/sys/arch/arm64/dev/agintc.c b/sys/arch/arm64/dev/agintc.c
index e2efc1f9aec..fd9e8b53bcf 100644
--- a/sys/arch/arm64/dev/agintc.c
+++ b/sys/arch/arm64/dev/agintc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: agintc.c,v 1.2 2017/04/29 18:13:25 kettenis Exp $ */
+/* $OpenBSD: agintc.c,v 1.3 2017/04/30 16:45:45 mpi Exp $ */
 /*
  * Copyright (c) 2007, 2009, 2011, 2017 Dale Rahn <drahn@dalerahn.com>
  *
@@ -616,7 +616,7 @@ agintc_irq_handler(void *frame)
 		if ((cnt++ % 100) == 0) {
 			printf("irq  %d fired * _100\n", irq);
 #ifdef DDB
-			Debugger();
+			db_enter();
 #endif
 		}
 	}
diff --git a/sys/arch/arm64/dev/ampintc.c b/sys/arch/arm64/dev/ampintc.c
index acca8ac5745..6e5fecf0ec2 100644
--- a/sys/arch/arm64/dev/ampintc.c
+++ b/sys/arch/arm64/dev/ampintc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ampintc.c,v 1.8 2017/04/08 22:31:33 kettenis Exp $ */
+/* $OpenBSD: ampintc.c,v 1.9 2017/04/30 16:45:45 mpi Exp $ */
 /*
  * Copyright (c) 2007,2009,2011 Dale Rahn <drahn@openbsd.org>
  *
@@ -516,7 +516,7 @@ ampintc_irq_handler(void *frame)
 		if ((cnt++ % 100) == 0) {
 			printf("irq  %d fired * _100\n", iack_val);
 #ifdef DDB
-			Debugger();
+			db_enter();
 #endif
 		}
 
diff --git a/sys/arch/arm64/dev/bcm2836_intr.c b/sys/arch/arm64/dev/bcm2836_intr.c
index 8e374412e99..f106b78c523 100644
--- a/sys/arch/arm64/dev/bcm2836_intr.c
+++ b/sys/arch/arm64/dev/bcm2836_intr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bcm2836_intr.c,v 1.2 2017/02/24 17:16:41 patrick Exp $ */
+/* $OpenBSD: bcm2836_intr.c,v 1.3 2017/04/30 16:45:45 mpi Exp $ */
 /*
  * Copyright (c) 2007,2009 Dale Rahn <drahn@openbsd.org>
  * Copyright (c) 2015 Patrick Wildt <patrick@blueri.se>
@@ -442,7 +442,7 @@ bcm_intc_call_handler(int irq, void *frame)
 		static int cnt = 0;
 		if ((cnt++ % 100) == 0) {
 			printf("irq  %d fired * _100\n", irq);
-			Debugger();
+			db_enter();
 		}
 	}
 #endif
diff --git a/sys/arch/arm64/dev/pluart.c b/sys/arch/arm64/dev/pluart.c
index f61b4e61ce2..f07e0f62530 100644
--- a/sys/arch/arm64/dev/pluart.c
+++ b/sys/arch/arm64/dev/pluart.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pluart.c,v 1.4 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: pluart.c,v 1.5 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2014 Patrick Wildt <patrick@blueri.se>
@@ -310,7 +310,7 @@ pluart_intr(void *arg)
 #ifdef DDB
 			if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) {
 				if (db_console)
-					Debugger();
+					db_enter();
 				continue;
 			}
 #endif
diff --git a/sys/arch/armv7/armv7/armv7_machdep.c b/sys/arch/armv7/armv7/armv7_machdep.c
index 0ee2189d67e..a2fcc8a6094 100644
--- a/sys/arch/armv7/armv7/armv7_machdep.c
+++ b/sys/arch/armv7/armv7/armv7_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: armv7_machdep.c,v 1.47 2017/03/24 13:04:16 patrick Exp $ */
+/*	$OpenBSD: armv7_machdep.c,v 1.48 2017/04/30 16:45:45 mpi Exp $ */
 /*	$NetBSD: lubbock_machdep.c,v 1.2 2003/07/15 00:25:06 lukem Exp $ */
 
 /*
@@ -790,7 +790,7 @@ initarm(void *arg0, void *arg1, void *arg2, paddr_t loadaddr)
 	ddb_init();
 
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 	printf("board type: %u\n", board_id);
 
diff --git a/sys/arch/armv7/broadcom/bcm2836_intr.c b/sys/arch/armv7/broadcom/bcm2836_intr.c
index 05e935b627e..27028a08b76 100644
--- a/sys/arch/armv7/broadcom/bcm2836_intr.c
+++ b/sys/arch/armv7/broadcom/bcm2836_intr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bcm2836_intr.c,v 1.2 2016/08/07 18:43:17 kettenis Exp $ */
+/* $OpenBSD: bcm2836_intr.c,v 1.3 2017/04/30 16:45:45 mpi Exp $ */
 /*
  * Copyright (c) 2007,2009 Dale Rahn <drahn@openbsd.org>
  * Copyright (c) 2015 Patrick Wildt <patrick@blueri.se>
@@ -447,7 +447,7 @@ bcm_intc_call_handler(int irq, void *frame)
 		static int cnt = 0;
 		if ((cnt++ % 100) == 0) {
 			printf("irq  %d fired * _100\n", irq);
-			Debugger();
+			db_enter();
 		}
 	}
 #endif
diff --git a/sys/arch/armv7/dev/pluart.c b/sys/arch/armv7/dev/pluart.c
index af078552f2f..cc03430bacb 100644
--- a/sys/arch/armv7/dev/pluart.c
+++ b/sys/arch/armv7/dev/pluart.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pluart.c,v 1.3 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: pluart.c,v 1.4 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2014 Patrick Wildt <patrick@blueri.se>
@@ -314,7 +314,7 @@ pluart_intr(void *arg)
 #ifdef DDB
 			if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) {
 				if (db_console)
-					Debugger();
+					db_enter();
 				continue;
 			}
 #endif
diff --git a/sys/arch/armv7/omap/if_cpsw.c b/sys/arch/armv7/omap/if_cpsw.c
index 0fb3c9c92b9..2813e11cca0 100644
--- a/sys/arch/armv7/omap/if_cpsw.c
+++ b/sys/arch/armv7/omap/if_cpsw.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_cpsw.c,v 1.42 2017/01/22 10:17:37 dlg Exp $ */
+/* $OpenBSD: if_cpsw.c,v 1.43 2017/04/30 16:45:45 mpi Exp $ */
 /*	$NetBSD: if_cpsw.c,v 1.3 2013/04/17 14:36:34 bouyer Exp $	*/
 
 /*
@@ -1175,7 +1175,7 @@ cpsw_txintr(void *arg)
 		cpsw_get_txdesc(sc, sc->sc_txhead, &bd);
 
 		if (bd.buflen == 0) {
-			/* Debugger(); */
+			/* db_enter(); */
 		}
 
 		if ((bd.flags & CPDMA_BD_SOP) == 0)
@@ -1268,7 +1268,7 @@ cpsw_miscintr(void *arg)
 		stat = bus_space_read_4(sc->sc_bst, sc->sc_bsh, CPSW_CPDMA_RX_CP(0));
 		printf("CPSW_CPDMA_RX0_CP %x\n", stat);
 
-		/* Debugger(); */
+		/* db_enter(); */
 
 		bus_space_write_4(sc->sc_bst, sc->sc_bsh, CPSW_CPDMA_DMA_INTMASK_CLEAR, dmastat);
 		dmastat = bus_space_read_4(sc->sc_bst, sc->sc_bsh, CPSW_CPDMA_DMA_INTSTAT_MASKED);
diff --git a/sys/arch/hppa/hppa/db_interface.c b/sys/arch/hppa/hppa/db_interface.c
index 80202ff372a..707f6db3e7f 100644
--- a/sys/arch/hppa/hppa/db_interface.c
+++ b/sys/arch/hppa/hppa/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.38 2016/09/19 21:18:35 jasper Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.39 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 1999-2003 Michael Shalayeff
@@ -125,7 +125,7 @@ struct db_variable *db_eregs = db_regs + nitems(db_regs);
 int db_active = 0;
 
 void
-Debugger()
+db_enter(void)
 {
 	extern int kernelmapped;	/* from locore.S */
 	if (kernelmapped)
diff --git a/sys/arch/hppa/hppa/lock_machdep.c b/sys/arch/hppa/hppa/lock_machdep.c
index 7b23204fc13..444e2858f64 100644
--- a/sys/arch/hppa/hppa/lock_machdep.c
+++ b/sys/arch/hppa/hppa/lock_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lock_machdep.c,v 1.9 2016/03/19 11:34:22 mpi Exp $	*/
+/*	$OpenBSD: lock_machdep.c,v 1.10 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2007 Artur Grabowski <art@openbsd.org>
@@ -88,7 +88,7 @@ __mp_lock_spin(struct __mp_lock *mpl)
 
 	if (nticks == 0) {
 		db_printf("__mp_lock(%p): lock spun out", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 }
@@ -136,7 +136,7 @@ __mp_unlock(struct __mp_lock *mpl)
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_unlock(%p): lock not held - %p != %p\n",
 		    mpl, mpl->mpl_cpu, curcpu());
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -159,7 +159,7 @@ __mp_release_all(struct __mp_lock *mpl)
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_release_all(%p): lock not held - %p != %p\n",
 		    mpl, mpl->mpl_cpu, curcpu());
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -181,7 +181,7 @@ __mp_release_all_but_one(struct __mp_lock *mpl)
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_release_all_but_one(%p): lock not held - "
 		    "%p != %p\n", mpl, mpl->mpl_cpu, curcpu());
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/hppa/hppa/locore.S b/sys/arch/hppa/hppa/locore.S
index 785da2d1daf..dbd995b2472 100644
--- a/sys/arch/hppa/hppa/locore.S
+++ b/sys/arch/hppa/hppa/locore.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: locore.S,v 1.195 2016/05/23 20:11:49 deraadt Exp $	*/
+/*	$OpenBSD: locore.S,v 1.196 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 1998-2004 Michael Shalayeff
@@ -257,7 +257,7 @@ $virtual_mode
 	stw	t1, R%kernelmapped(t1)
 
 #ifdef DDB
-	.import	Debugger, code
+	.import	db_enter, code
 	/* have to call debugger from here, from virtual mode */
 	ldil	L%boothowto, r1
 	ldw	R%boothowto(r1), r1
diff --git a/sys/arch/hppa/hppa/pmap.c b/sys/arch/hppa/hppa/pmap.c
index 034d040b9eb..f9a9648aa9f 100644
--- a/sys/arch/hppa/hppa/pmap.c
+++ b/sys/arch/hppa/hppa/pmap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pmap.c,v 1.172 2016/10/19 08:28:20 guenther Exp $	*/
+/*	$OpenBSD: pmap.c,v 1.173 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 1998-2004 Michael Shalayeff
@@ -1194,7 +1194,7 @@ pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot)
 
 		if (pmap_initialized && (pg = PHYS_TO_VM_PAGE(PTE_PAGE(pte)))) {
 			if (pmap_check_alias(pg, va, pte))
-				Debugger();
+				db_enter();
 		}
 	}
 #endif
diff --git a/sys/arch/i386/i386/cpu.c b/sys/arch/i386/i386/cpu.c
index b454da2b630..c2d0e72d248 100644
--- a/sys/arch/i386/i386/cpu.c
+++ b/sys/arch/i386/i386/cpu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cpu.c,v 1.81 2017/03/28 17:28:35 kettenis Exp $	*/
+/*	$OpenBSD: cpu.c,v 1.82 2017/04/30 16:45:45 mpi Exp $	*/
 /* $NetBSD: cpu.c,v 1.1.2.7 2000/06/26 02:04:05 sommerfeld Exp $ */
 
 /*-
@@ -575,7 +575,7 @@ cpu_boot_secondary(struct cpu_info *ci)
 	if (!(ci->ci_flags & CPUF_RUNNING)) {
 		printf("%s failed to become ready\n", ci->ci_dev.dv_xname);
 #ifdef DDB
-		Debugger();
+		db_enter();
 #endif
 	}
 
diff --git a/sys/arch/i386/i386/db_interface.c b/sys/arch/i386/i386/db_interface.c
index 85a31f3d6a6..07d123ba1c2 100644
--- a/sys/arch/i386/i386/db_interface.c
+++ b/sys/arch/i386/i386/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.34 2017/03/03 20:49:47 bluhm Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.35 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: db_interface.c,v 1.22 1996/05/03 19:42:00 christos Exp $	*/
 
 /*
@@ -355,7 +355,7 @@ db_machine_init(void)
 }
 
 void
-Debugger(void)
+db_enter(void)
 {
 	__asm__("int $3");
 }
diff --git a/sys/arch/i386/i386/db_mp.c b/sys/arch/i386/i386/db_mp.c
index 036dc30e720..dd7a27b832b 100644
--- a/sys/arch/i386/i386/db_mp.c
+++ b/sys/arch/i386/i386/db_mp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_mp.c,v 1.9 2017/04/20 14:13:00 visa Exp $	*/
+/*	$OpenBSD: db_mp.c,v 1.10 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2003, 2004 Andreas Gunnarsson <andreas@openbsd.org>
@@ -137,5 +137,5 @@ db_stopcpu(int cpu)
 void
 i386_ipi_db(struct cpu_info *ci)
 {
-	Debugger();
+	db_enter();
 }
diff --git a/sys/arch/i386/i386/lock_machdep.c b/sys/arch/i386/i386/lock_machdep.c
index 4439df8f7a5..74f631f2f49 100644
--- a/sys/arch/i386/i386/lock_machdep.c
+++ b/sys/arch/i386/i386/lock_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lock_machdep.c,v 1.22 2017/04/20 13:20:17 visa Exp $	*/
+/*	$OpenBSD: lock_machdep.c,v 1.23 2017/04/30 16:45:45 mpi Exp $	*/
 /* $NetBSD: lock_machdep.c,v 1.1.2.3 2000/05/03 14:40:30 sommerfeld Exp $ */
 
 /*-
@@ -78,7 +78,7 @@ __mp_lock_spin(struct __mp_lock *mpl, u_int me)
 
 		if (--nticks <= 0) {
 			db_printf("__mp_lock(%p): lock spun out", mpl);
-			Debugger();
+			db_enter();
 			nticks = __mp_lock_spinout;
 		}
 	}
@@ -118,7 +118,7 @@ ___mp_unlock(struct __mp_lock *mpl LOCK_FL_VARS)
 #ifdef MP_LOCKDEBUG
 	if (!__mp_lock_held(mpl)) {
 		db_printf("__mp_unlock(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c
index b66741c801e..315807b0405 100644
--- a/sys/arch/i386/i386/machdep.c
+++ b/sys/arch/i386/i386/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.599 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: machdep.c,v 1.600 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $	*/
 
 /*-
@@ -3377,7 +3377,7 @@ init386(paddr_t first_avail)
 	db_machine_init();
 	ddb_init();
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 
 	softintr_init();
diff --git a/sys/arch/landisk/dev/power.c b/sys/arch/landisk/dev/power.c
index dbce1ee0f10..bb66681bc36 100644
--- a/sys/arch/landisk/dev/power.c
+++ b/sys/arch/landisk/dev/power.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: power.c,v 1.6 2014/07/11 08:18:30 guenther Exp $	*/
+/*	$OpenBSD: power.c,v 1.7 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2007 Martin Reindl.
@@ -102,7 +102,7 @@ power_intr(void *arg)
 	if (status & BTN_POWER_BIT) {
 #ifdef DEBUG
 		printf("%s switched\n", sc->sc_dev.dv_xname);
-		Debugger();
+		db_enter();
 #endif
 		_reg_write_1(LANDISK_PWRSW_INTCLR, 1);
 		if (allowpowerdown == 1) {
diff --git a/sys/arch/landisk/landisk/machdep.c b/sys/arch/landisk/landisk/machdep.c
index 36d788c2fba..b4baca5c86a 100644
--- a/sys/arch/landisk/landisk/machdep.c
+++ b/sys/arch/landisk/landisk/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.44 2016/10/09 11:25:39 tom Exp $	*/
+/*	$OpenBSD: machdep.c,v 1.45 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: machdep.c,v 1.1 2006/09/01 21:26:18 uwe Exp $	*/
 
 /*-
@@ -177,7 +177,7 @@ landisk_startup(int howto, char *_esym)
 	db_machine_init();
 	ddb_init();
 	if (boothowto & RB_KDB) {
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/loongson/dev/bonito.c b/sys/arch/loongson/dev/bonito.c
index 7ccb4861f4f..0a0a1a42feb 100644
--- a/sys/arch/loongson/dev/bonito.c
+++ b/sys/arch/loongson/dev/bonito.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bonito.c,v 1.31 2016/03/06 19:42:27 mpi Exp $	*/
+/*	$OpenBSD: bonito.c,v 1.32 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: bonito_mainbus.c,v 1.11 2008/04/28 20:23:10 martin Exp $	*/
 /*	$NetBSD: bonito_pci.c,v 1.5 2008/04/28 20:23:28 martin Exp $	*/
 
@@ -714,7 +714,7 @@ bonito_intr_dispatch(uint64_t isr, int startbit, struct trapframe *frame)
 				    REGVAL(BONITO_INTISR), REGVAL(BONITO_INTEN),
 				    frame->ipl, bonito_imask[frame->ipl]);
 #ifdef DDB
-				Debugger();
+				db_enter();
 #endif
 #endif
 			}
diff --git a/sys/arch/loongson/loongson/generic2e_machdep.c b/sys/arch/loongson/loongson/generic2e_machdep.c
index 38df7a262b1..aa16917f7d9 100644
--- a/sys/arch/loongson/loongson/generic2e_machdep.c
+++ b/sys/arch/loongson/loongson/generic2e_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: generic2e_machdep.c,v 1.8 2016/08/30 12:15:28 jsg Exp $	*/
+/*	$OpenBSD: generic2e_machdep.c,v 1.9 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2010 Miodrag Vallat.
@@ -308,7 +308,7 @@ generic2e_isa_intr(uint32_t hwpend, struct trapframe *frame)
 			    " isaimr %08x\n", ocw1, ocw2, frame->ipl,
 			    bonito_imask[frame->ipl], loongson_isaimr);
 #ifdef DDB
-			Debugger();
+			db_enter();
 #endif
 #endif
 		}
diff --git a/sys/arch/loongson/loongson/machdep.c b/sys/arch/loongson/loongson/machdep.c
index 4f641a79824..3100d7cf40c 100644
--- a/sys/arch/loongson/loongson/machdep.c
+++ b/sys/arch/loongson/loongson/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.76 2017/04/22 15:37:39 visa Exp $ */
+/*	$OpenBSD: machdep.c,v 1.77 2017/04/30 16:45:45 mpi Exp $ */
 
 /*
  * Copyright (c) 2009, 2010, 2014 Miodrag Vallat.
@@ -859,7 +859,7 @@ mips_init(uint64_t argc, uint64_t argv, uint64_t envp, uint64_t cv,
 #ifdef DDB
 	db_machine_init();
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 
 	/*
diff --git a/sys/arch/luna88k/dev/mb89352.c b/sys/arch/luna88k/dev/mb89352.c
index a68d4bc3d02..d0dbe8e1729 100644
--- a/sys/arch/luna88k/dev/mb89352.c
+++ b/sys/arch/luna88k/dev/mb89352.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mb89352.c,v 1.21 2017/03/16 18:15:20 miod Exp $	*/
+/*	$OpenBSD: mb89352.c,v 1.22 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: mb89352.c,v 1.5 2000/03/23 07:01:31 thorpej Exp $	*/
 /*	NecBSD: mb89352.c,v 1.4 1998/03/14 07:31:20 kmatsuda Exp	*/
 
@@ -140,7 +140,7 @@
 #include <luna88k/dev/mb89352var.h>
 
 #ifndef DDB
-#define	Debugger() panic("should call debugger here (mb89352.c)")
+#define	db_enter() panic("should call debugger here (mb89352.c)")
 #endif /* ! DDB */
 
 #ifdef SPC_DEBUG
diff --git a/sys/arch/luna88k/dev/mb89352var.h b/sys/arch/luna88k/dev/mb89352var.h
index da2d7c7f654..85fc053c394 100644
--- a/sys/arch/luna88k/dev/mb89352var.h
+++ b/sys/arch/luna88k/dev/mb89352var.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mb89352var.h,v 1.5 2014/05/08 22:17:33 miod Exp $	*/
+/*	$OpenBSD: mb89352var.h,v 1.6 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: mb89352var.h,v 1.6 2003/08/02 12:48:09 tsutsui Exp $	*/
 /*	NecBSD: mb89352var.h,v 1.4 1998/03/14 07:31:22 kmatsuda Exp 	*/
 
@@ -190,8 +190,8 @@ struct spc_softc {
 #define SPC_DOBREAK	0x40
 extern int spc_debug; /* SPC_SHOWSTART|SPC_SHOWMISC|SPC_SHOWTRACE; */
 #define SPC_PRINT(b, s)	do {if ((spc_debug & (b)) != 0) printf s;} while (0)
-#define SPC_BREAK()	do {if ((spc_debug & SPC_DOBREAK) != 0) Debugger();} while (0)
-#define SPC_ASSERT(x)	do {if (x) {} else {printf("%s at line %d: assertion failed\n", sc->sc_dev.dv_xname, __LINE__); Debugger();}} while (0)
+#define SPC_BREAK()	do {if ((spc_debug & SPC_DOBREAK) != 0) db_enter();} while (0)
+#define SPC_ASSERT(x)	do {if (x) {} else {printf("%s at line %d: assertion failed\n", sc->sc_dev.dv_xname, __LINE__); db_enter();}} while (0)
 #else
 #define SPC_PRINT(b, s)
 #define SPC_BREAK()
diff --git a/sys/arch/luna88k/dev/siotty.c b/sys/arch/luna88k/dev/siotty.c
index 9799db08da5..3fc73b84b7b 100644
--- a/sys/arch/luna88k/dev/siotty.c
+++ b/sys/arch/luna88k/dev/siotty.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: siotty.c,v 1.17 2017/03/20 19:37:54 miod Exp $ */
+/* $OpenBSD: siotty.c,v 1.18 2017/04/30 16:45:45 mpi Exp $ */
 /* $NetBSD: siotty.c,v 1.9 2002/03/17 19:40:43 atatat Exp $ */
 
 /*-
@@ -162,7 +162,7 @@ siottyintr(int chan)
 #if 0 && defined(DDB) /* ?!?! fails to resume ?!?! */
 			if ((rr & RR_BREAK) && tp->t_dev == cn_tab->cn_dev) {
 				if (db_console)
-					Debugger();
+					db_enter();
 				return;
 			}
 #endif
diff --git a/sys/arch/luna88k/luna88k/machdep.c b/sys/arch/luna88k/luna88k/machdep.c
index 1ebb31de176..1d684f75b27 100644
--- a/sys/arch/luna88k/luna88k/machdep.c
+++ b/sys/arch/luna88k/luna88k/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.123 2017/03/19 10:57:29 miod Exp $	*/
+/*	$OpenBSD: machdep.c,v 1.124 2017/04/30 16:45:45 mpi Exp $	*/
 /*
  * Copyright (c) 1998, 1999, 2000, 2001 Steve Murphree, Jr.
  * Copyright (c) 1996 Nivas Madhur
@@ -248,7 +248,7 @@ consinit()
 	db_machine_init();
 	ddb_init();
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 }
 
@@ -1323,7 +1323,7 @@ luna88k_ipi_handler(struct trapframe *eframe)
 		 * If ddb is hoping to us, it's our turn to enter ddb now.
 		 */
 		if (ci->ci_cpuid == ddb_mp_nextcpu)
-			Debugger();
+			db_enter();
 #endif
 	}
 	if (ipi & CI_IPI_NOTIFY) {
diff --git a/sys/arch/m88k/m88k/db_interface.c b/sys/arch/m88k/m88k/db_interface.c
index ea607fd1fa5..72c512d2556 100644
--- a/sys/arch/m88k/m88k/db_interface.c
+++ b/sys/arch/m88k/m88k/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.21 2016/03/09 08:58:50 mpi Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.22 2017/04/30 16:45:45 mpi Exp $	*/
 /*
  * Mach Operating System
  * Copyright (c) 1993-1991 Carnegie Mellon University
@@ -435,7 +435,7 @@ kdbprinttrap(int type)
 }
 
 void
-Debugger()
+db_enter(void)
 {
 	asm (ENTRY_ASM); /* entry trap */
 	/* ends up at ddb_entry_trap below */
diff --git a/sys/arch/m88k/m88k/mplock.c b/sys/arch/m88k/m88k/mplock.c
index bdbf9d517e3..91c33ed555c 100644
--- a/sys/arch/m88k/m88k/mplock.c
+++ b/sys/arch/m88k/m88k/mplock.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mplock.c,v 1.4 2016/03/19 11:34:22 mpi Exp $	*/
+/*	$OpenBSD: mplock.c,v 1.5 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2004 Niklas Hallqvist.  All rights reserved.
@@ -57,7 +57,7 @@ __mp_lock_spin(struct __mp_lock *mpl)
 
 	if (nticks == 0) {
  		db_printf("__mp_lock(0x%x): lock spun out", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 }
@@ -109,7 +109,7 @@ __mp_unlock(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != ci) {
 		db_printf("__mp_unlock(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -132,7 +132,7 @@ __mp_release_all(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != ci) {
 		db_printf("__mp_release_all(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -156,7 +156,7 @@ __mp_release_all_but_one(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != ci) {
 		db_printf("__mp_release_all_but_one(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/macppc/dev/macintr.c b/sys/arch/macppc/dev/macintr.c
index 6054216554d..135221ccfe1 100644
--- a/sys/arch/macppc/dev/macintr.c
+++ b/sys/arch/macppc/dev/macintr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: macintr.c,v 1.53 2015/09/08 08:29:35 deraadt Exp $	*/
+/*	$OpenBSD: macintr.c,v 1.54 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*-
  * Copyright (c) 2008 Dale Rahn <drahn@openbsd.org>
@@ -249,7 +249,7 @@ macintr_prog_button (void *arg)
 {
 #ifdef DDB
 	if (db_console)
-		Debugger();
+		db_enter();
 #else
 	printf("programmer button pressed, debugger not available\n");
 #endif
diff --git a/sys/arch/macppc/dev/openpic.c b/sys/arch/macppc/dev/openpic.c
index 5ea2438fa12..70c4c057f73 100644
--- a/sys/arch/macppc/dev/openpic.c
+++ b/sys/arch/macppc/dev/openpic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: openpic.c,v 1.83 2015/09/08 08:29:35 deraadt Exp $	*/
+/*	$OpenBSD: openpic.c,v 1.84 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*-
  * Copyright (c) 2008 Dale Rahn <drahn@openbsd.org>
@@ -748,7 +748,7 @@ void
 openpic_ipi_ddb(void)
 {
 #ifdef DDB
-	Debugger();
+	db_enter();
 #endif
 }
 #endif /* MULTIPROCESSOR */
diff --git a/sys/arch/macppc/dev/pgs.c b/sys/arch/macppc/dev/pgs.c
index fe2fe95017e..62aba5a1cb4 100644
--- a/sys/arch/macppc/dev/pgs.c
+++ b/sys/arch/macppc/dev/pgs.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pgs.c,v 1.3 2013/07/01 16:53:24 jasper Exp $	*/
+/*	$OpenBSD: pgs.c,v 1.4 2017/04/30 16:45:45 mpi Exp $	*/
 /*
  * Copyright (c) 2010 Jasper Lievisse Adriaanse <jasper@openbsd.org>
  *
@@ -89,7 +89,7 @@ pgs_intr(void *v)
 {
 #ifdef DDB
 	if (db_console)
-		Debugger();
+		db_enter();
 #else
 	printf("programmer-switch pressed, debugger not available.\n");
 #endif
diff --git a/sys/arch/macppc/dev/sysbutton.c b/sys/arch/macppc/dev/sysbutton.c
index 02c7fb70e98..e982d15d58e 100644
--- a/sys/arch/macppc/dev/sysbutton.c
+++ b/sys/arch/macppc/dev/sysbutton.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sysbutton.c,v 1.4 2008/06/13 00:31:09 krw Exp $	*/
+/*	$OpenBSD: sysbutton.c,v 1.5 2017/04/30 16:45:45 mpi Exp $	*/
 /*
  * Copyright (c) 2007 Gordon Willem Klok <gwk@openbsd.org>
  *
@@ -85,7 +85,7 @@ sysbutton_intr(void *v)
 	 */
 #ifdef DDB
 	if (db_console)
-		Debugger();
+		db_enter();
 #endif
 
 	return 1;
diff --git a/sys/arch/macppc/dev/zs.c b/sys/arch/macppc/dev/zs.c
index cd431bce357..47c3b8f090f 100644
--- a/sys/arch/macppc/dev/zs.c
+++ b/sys/arch/macppc/dev/zs.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: zs.c,v 1.26 2016/03/14 23:08:05 krw Exp $	*/
+/*	$OpenBSD: zs.c,v 1.27 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: zs.c,v 1.17 2001/06/19 13:42:15 wiz Exp $	*/
 
 /*
@@ -1096,7 +1096,7 @@ zs_abort(struct zs_chanstate *channel)
 		extern int db_active;
 
 		if (!db_active)
-			Debugger();
+			db_enter();
 	}
 #endif
 }
diff --git a/sys/arch/macppc/macppc/machdep.c b/sys/arch/macppc/macppc/machdep.c
index 8e22d5cfc93..0b6548f9f4f 100644
--- a/sys/arch/macppc/macppc/machdep.c
+++ b/sys/arch/macppc/macppc/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.179 2016/10/09 11:25:40 tom Exp $	*/
+/*	$OpenBSD: machdep.c,v 1.180 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $	*/
 
 /*
@@ -311,7 +311,7 @@ initppc(startkernel, endkernel, args)
 
 #ifdef DDB
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 
 	/*
diff --git a/sys/arch/mips64/mips64/ipifuncs.c b/sys/arch/mips64/mips64/ipifuncs.c
index f5a04f7b0a5..b27245c7ee0 100644
--- a/sys/arch/mips64/mips64/ipifuncs.c
+++ b/sys/arch/mips64/mips64/ipifuncs.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ipifuncs.c,v 1.13 2017/02/19 08:35:13 visa Exp $ */
+/* $OpenBSD: ipifuncs.c,v 1.14 2017/04/30 16:45:45 mpi Exp $ */
 /* $NetBSD: ipifuncs.c,v 1.40 2008/04/28 20:23:10 martin Exp $ */
 
 /*-
@@ -237,6 +237,6 @@ void
 mips64_ipi_ddb(void)
 {
 #ifdef DDB
-	Debugger();
+	db_enter();
 #endif
 }
diff --git a/sys/arch/mips64/mips64/lcore_ddb.S b/sys/arch/mips64/mips64/lcore_ddb.S
index 738b6e85b18..7c40b938346 100644
--- a/sys/arch/mips64/mips64/lcore_ddb.S
+++ b/sys/arch/mips64/mips64/lcore_ddb.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lcore_ddb.S,v 1.13 2012/10/03 11:18:23 miod Exp $ */
+/*	$OpenBSD: lcore_ddb.S,v 1.14 2017/04/30 16:45:45 mpi Exp $ */
 
 /*
  * Copyright (c) 2001-2003 Opsycon AB  (www.opsycon.se / www.opsycon.com)
@@ -177,11 +177,11 @@ LEAF(kdbpokeb, 0)
 	 sw	zero, PCB_ONFAULT(t0)
 END(kdbpokeb)
 
-LEAF(Debugger, 0)
+LEAF(db_enter, 0)
 	break   BREAK_SOVER_VAL
 	jr	ra
 	 NOP
-END(Debugger)
+END(db_enter)
 
 LEAF(setjmp, 0)
 	MFC0	v0, COP_0_STATUS_REG
diff --git a/sys/arch/mips64/mips64/lock_machdep.c b/sys/arch/mips64/mips64/lock_machdep.c
index 61c32b51d59..af0bb3db68b 100644
--- a/sys/arch/mips64/mips64/lock_machdep.c
+++ b/sys/arch/mips64/mips64/lock_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lock_machdep.c,v 1.2 2016/03/19 11:34:22 mpi Exp $	*/
+/*	$OpenBSD: lock_machdep.c,v 1.3 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2007 Artur Grabowski <art@openbsd.org>
@@ -58,7 +58,7 @@ __mp_lock_spin(struct __mp_lock *mpl)
 
 	if (nticks == 0) {
 		db_printf("__mp_lock(%p): lock spun out", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 }
@@ -106,7 +106,7 @@ __mp_unlock(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_unlock(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -129,7 +129,7 @@ __mp_release_all(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_release_all(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -149,7 +149,7 @@ __mp_release_all_but_one(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_release_all_but_one(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/mips64/mips64/mutex.c b/sys/arch/mips64/mips64/mutex.c
index b0923d9605f..0cd640cc914 100644
--- a/sys/arch/mips64/mips64/mutex.c
+++ b/sys/arch/mips64/mips64/mutex.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mutex.c,v 1.5 2017/04/20 13:57:30 visa Exp $	*/
+/*	$OpenBSD: mutex.c,v 1.6 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2004 Artur Grabowski <art@openbsd.org>
@@ -64,7 +64,7 @@ __mtx_enter(struct mutex *mtx)
 #ifdef MP_LOCKDEBUG
 		if (--nticks == 0) {
 			db_printf("%s(%p): lock spun out", __func__, mtx);
-			Debugger();
+			db_enter();
 			nticks = __mp_lock_spinout;
 		}
 #endif
diff --git a/sys/arch/octeon/octeon/machdep.c b/sys/arch/octeon/octeon/machdep.c
index 925a56df0b8..98db3860c0c 100644
--- a/sys/arch/octeon/octeon/machdep.c
+++ b/sys/arch/octeon/octeon/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.87 2017/04/24 13:54:28 visa Exp $ */
+/*	$OpenBSD: machdep.c,v 1.88 2017/04/30 16:45:45 mpi Exp $ */
 
 /*
  * Copyright (c) 2009, 2010 Miodrag Vallat.
@@ -513,7 +513,7 @@ mips_init(__register_t a0, __register_t a1, __register_t a2 __unused,
 #ifdef DDB
 	db_machine_init();
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 
 #ifdef MULTIPROCESSOR
diff --git a/sys/arch/powerpc/ddb/db_interface.c b/sys/arch/powerpc/ddb/db_interface.c
index 40c60d9d5e6..e00cf2a8b86 100644
--- a/sys/arch/powerpc/ddb/db_interface.c
+++ b/sys/arch/powerpc/ddb/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.2 2016/03/06 13:41:34 mpi Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.3 2017/04/30 16:45:45 mpi Exp $	*/
 /*      $NetBSD: db_interface.c,v 1.12 2001/07/22 11:29:46 wiz Exp $ */
 
 /*
@@ -65,7 +65,7 @@ int db_active = 0;
 int db_trap_glue(struct trapframe *frame); /* called from locore */
 
 void
-Debugger()
+db_enter()
 {
 	ddb_trap();
 }
@@ -189,7 +189,7 @@ db_enter_ddb(void)
 void
 ppc_ipi_db(struct cpu_info *ci)
 {
-	Debugger();
+	db_enter();
 }
 
 void
diff --git a/sys/arch/powerpc/powerpc/lock_machdep.c b/sys/arch/powerpc/powerpc/lock_machdep.c
index c1ab6e6c678..3ee3c258afb 100644
--- a/sys/arch/powerpc/powerpc/lock_machdep.c
+++ b/sys/arch/powerpc/powerpc/lock_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lock_machdep.c,v 1.4 2016/03/19 11:34:22 mpi Exp $	*/
+/*	$OpenBSD: lock_machdep.c,v 1.5 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2007 Artur Grabowski <art@openbsd.org>
@@ -56,7 +56,7 @@ __mp_lock_spin(struct __mp_lock *mpl)
 
 	if (nticks == 0) {
 		db_printf("__mp_lock(%p): lock spun out", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 }
@@ -104,7 +104,7 @@ __mp_unlock(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_unlock(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -126,7 +126,7 @@ __mp_release_all(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_release_all(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
@@ -147,7 +147,7 @@ __mp_release_all_but_one(struct __mp_lock *mpl)
 #ifdef MP_LOCKDEBUG
 	if (mpl->mpl_cpu != curcpu()) {
 		db_printf("__mp_release_all_but_one(%p): not held lock\n", mpl);
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/powerpc/powerpc/mutex.c b/sys/arch/powerpc/powerpc/mutex.c
index 699fad5a6ad..7559371675b 100644
--- a/sys/arch/powerpc/powerpc/mutex.c
+++ b/sys/arch/powerpc/powerpc/mutex.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mutex.c,v 1.4 2017/04/20 13:57:30 visa Exp $	*/
+/*	$OpenBSD: mutex.c,v 1.5 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2004 Artur Grabowski <art@openbsd.org>
@@ -66,7 +66,7 @@ __mtx_enter(struct mutex *mtx)
 #if defined(MP_LOCKDEBUG)
 		if (--nticks == 0) {
 			db_printf("%s: %p lock spun out", __func__, mtx);
-			Debugger();
+			db_enter();
 		}
 #endif
 	}
diff --git a/sys/arch/sgi/hpc/zs.c b/sys/arch/sgi/hpc/zs.c
index cc52bb13a0f..624bbdfd5b7 100644
--- a/sys/arch/sgi/hpc/zs.c
+++ b/sys/arch/sgi/hpc/zs.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: zs.c,v 1.14 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: zs.c,v 1.15 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: zs.c,v 1.37 2011/02/20 07:59:50 matt Exp $	*/
 
 /*-
@@ -559,7 +559,7 @@ void
 zs_abort(struct zs_chanstate *cs)
 {
 #if defined(DDB)
-	Debugger();
+	db_enter();
 #endif
 }
 
diff --git a/sys/arch/sgi/sgi/machdep.c b/sys/arch/sgi/sgi/machdep.c
index 2ba1d876f06..db43e7bbf15 100644
--- a/sys/arch/sgi/sgi/machdep.c
+++ b/sys/arch/sgi/sgi/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.155 2017/04/02 15:48:19 visa Exp $ */
+/*	$OpenBSD: machdep.c,v 1.156 2017/04/30 16:45:45 mpi Exp $ */
 
 /*
  * Copyright (c) 2003-2004 Opsycon AB  (www.opsycon.se / www.opsycon.com)
@@ -653,7 +653,7 @@ mips_init(int argc, void *argv, caddr_t boot_esym)
 #ifdef DDB
 	db_machine_init();
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 
 	/*
diff --git a/sys/arch/sh/dev/scif.c b/sys/arch/sh/dev/scif.c
index 0e29647480f..9a74057433e 100644
--- a/sys/arch/sh/dev/scif.c
+++ b/sys/arch/sh/dev/scif.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: scif.c,v 1.16 2016/03/05 17:16:33 tobiasu Exp $	*/
+/*	$OpenBSD: scif.c,v 1.17 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: scif.c,v 1.47 2006/07/23 22:06:06 ad Exp $ */
 
 /*-
@@ -1133,7 +1133,7 @@ scifintr(void *arg)
 #ifdef DDB
 			if (ISSET(sc->sc_hwflags, SCIF_HW_CONSOLE) &&
 			    db_console != 0) {
-				Debugger();
+				db_enter();
 			}
 #endif /* DDB */
 		}
diff --git a/sys/arch/sh/sh/db_interface.c b/sys/arch/sh/sh/db_interface.c
index 6c0de3baf2e..ca60506f1a8 100644
--- a/sys/arch/sh/sh/db_interface.c
+++ b/sys/arch/sh/sh/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.9 2017/01/21 05:42:03 guenther Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.10 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: db_interface.c,v 1.37 2006/09/06 00:11:49 uwe Exp $	*/
 
 /*-
@@ -147,7 +147,7 @@ db_ktrap(int type, int code, db_regs_t *regs)
 }
 
 void
-Debugger(void)
+db_enter(void)
 {
 	__asm volatile("trapa %0" :: "i"(_SH_TRA_BREAK));
 }
diff --git a/sys/arch/socppc/socppc/machdep.c b/sys/arch/socppc/socppc/machdep.c
index ee60550efa9..0e149caebd3 100644
--- a/sys/arch/socppc/socppc/machdep.c
+++ b/sys/arch/socppc/socppc/machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machdep.c,v 1.71 2016/10/09 11:25:40 tom Exp $	*/
+/*	$OpenBSD: machdep.c,v 1.72 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $	*/
 
 /*
@@ -355,7 +355,7 @@ initppc(u_int startkernel, u_int endkernel, char *args)
 
 #ifdef DDB
 	if (boothowto & RB_KDB)
-		Debugger();
+		db_enter();
 #endif
 
 	if (boothowto & RB_CONFIG) {
diff --git a/sys/arch/sparc64/dev/consinit.c b/sys/arch/sparc64/dev/consinit.c
index 89d7c6878dc..5fcb870620f 100644
--- a/sys/arch/sparc64/dev/consinit.c
+++ b/sys/arch/sparc64/dev/consinit.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: consinit.c,v 1.15 2016/03/07 13:21:51 naddy Exp $	*/
+/*	$OpenBSD: consinit.c,v 1.16 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: consinit.c,v 1.9 2000/10/20 05:32:35 mrg Exp $	*/
 
 /*-
@@ -111,7 +111,7 @@ prom_cngetc(dev_t dev)
 #ifdef DDB
 	if (ch == '+') {
 		if (nplus++ > 3)
-			Debugger();
+			db_enter();
 	} else
 		nplus = 0;
 #endif
diff --git a/sys/arch/sparc64/dev/fd.c b/sys/arch/sparc64/dev/fd.c
index f79ec2a59e5..8c48b4ee12d 100644
--- a/sys/arch/sparc64/dev/fd.c
+++ b/sys/arch/sparc64/dev/fd.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fd.c,v 1.46 2016/06/07 06:37:33 dlg Exp $	*/
+/*	$OpenBSD: fd.c,v 1.47 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: fd.c,v 1.112 2003/08/07 16:29:35 agc Exp $	*/
 
 /*-
@@ -1459,7 +1459,7 @@ loop:
 				printf("fdcintr: block %lld != blkno %lld\n",
 				    (long long)block, (long long)fd->sc_blkno);
 #if defined(FD_DEBUG) && defined(DDB)
-				 Debugger();
+				 db_enter();
 #endif
 			}
 		}
diff --git a/sys/arch/sparc64/dev/iommu.c b/sys/arch/sparc64/dev/iommu.c
index 66316b1844c..b2f02f8f541 100644
--- a/sys/arch/sparc64/dev/iommu.c
+++ b/sys/arch/sparc64/dev/iommu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: iommu.c,v 1.73 2016/05/04 18:26:12 kettenis Exp $	*/
+/*	$OpenBSD: iommu.c,v 1.74 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: iommu.c,v 1.47 2002/02/08 20:03:45 eeh Exp $	*/
 
 /*
@@ -774,7 +774,7 @@ iommu_dvmamap_load(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 		    (int)sgsize, flags);
 #ifdef DDB
 		if (iommudebug & IDB_BREAK)
-			Debugger();
+			db_enter();
 #endif
 	}		
 #endif	
@@ -843,7 +843,7 @@ iommu_dvmamap_load(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 		iommu_dvmamap_print_map(t, is, map);
 #ifdef DDB
 		if (iommudebug & IDB_BREAK)
-			Debugger();
+			db_enter();
 #endif
 	}
 #endif
@@ -993,7 +993,7 @@ iommu_dvmamap_load_raw(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 		    "failed!\n", (int)sgsize, flags);
 #ifdef DDB
 		if (iommudebug & IDB_BREAK)
-			Debugger();
+			db_enter();
 #else
 		panic("");
 #endif
@@ -1062,7 +1062,7 @@ iommu_dvmamap_load_raw(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 		iommu_dvmamap_print_map(t, is, map);
 #ifdef DDB
 		if (iommudebug & IDB_BREAK)
-			Debugger();
+			db_enter();
 #endif
 	}
 #endif
@@ -1320,7 +1320,7 @@ iommu_dvmamap_unload(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map)
 		printf("iommu_dvmamap_unload: No dvmastart\n");
 #ifdef DDB
 		if (iommudebug & IDB_BREAK)
-			Debugger();
+			db_enter();
 #endif
 		return;
 	}
@@ -1409,7 +1409,7 @@ iommu_dvmamap_validate_map(bus_dma_tag_t t, struct iommu_state *is,
 		iommu_dvmamap_print_map(t, is, map);
 #if defined(DDB) && defined(DEBUG)
 		if (iommudebug & IDB_BREAK)
-			Debugger();
+			db_enter();
 #endif
 	}
 
diff --git a/sys/arch/sparc64/dev/pcons.c b/sys/arch/sparc64/dev/pcons.c
index b447fc33d2d..a195e9cd5bc 100644
--- a/sys/arch/sparc64/dev/pcons.c
+++ b/sys/arch/sparc64/dev/pcons.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pcons.c,v 1.21 2016/03/07 13:21:51 naddy Exp $	*/
+/*	$OpenBSD: pcons.c,v 1.22 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: pcons.c,v 1.7 2001/05/02 10:32:20 scw Exp $	*/
 
 /*-
@@ -93,7 +93,7 @@ typedef struct cnm_state {
 } cnm_state_t;
 #ifdef DDB
 #include <ddb/db_var.h>
-#define cn_trap()	do { if (db_console) Debugger(); } while (0)
+#define cn_trap()	do { if (db_console) db_enter(); } while (0)
 #else
 #define cn_trap()
 #endif
diff --git a/sys/arch/sparc64/dev/sab.c b/sys/arch/sparc64/dev/sab.c
index 000003495ec..feb9de16f45 100644
--- a/sys/arch/sparc64/dev/sab.c
+++ b/sys/arch/sparc64/dev/sab.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sab.c,v 1.31 2013/05/30 16:15:01 deraadt Exp $	*/
+/*	$OpenBSD: sab.c,v 1.32 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2001 Jason L. Wright (jason@thought.net)
@@ -1398,7 +1398,7 @@ sabtty_abort(sc)
 		if (db_console == 0)
 			return;
 		if (db_active == 0)
-			Debugger();
+			db_enter();
 		else
 			callrom();
 #else
diff --git a/sys/arch/sparc64/dev/sbbc.c b/sys/arch/sparc64/dev/sbbc.c
index c2a9c4f4535..eb4b2bd8444 100644
--- a/sys/arch/sparc64/dev/sbbc.c
+++ b/sys/arch/sparc64/dev/sbbc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sbbc.c,v 1.11 2012/10/20 12:00:33 miod Exp $	*/
+/*	$OpenBSD: sbbc.c,v 1.12 2017/04/30 16:45:45 mpi Exp $	*/
 /*
  * Copyright (c) 2008 Mark Kettenis
  *
@@ -424,7 +424,7 @@ sbbc_intr_cons(struct sbbc_softc *sc, uint32_t reason)
 #ifdef DDB
 	if ((reason & SBBC_SRAM_CONS_BRK) && sc == sbbc_cons_input) {
 		if (db_console)
-			Debugger();
+			db_enter();
 	}
 #endif
 
diff --git a/sys/arch/sparc64/dev/vcons.c b/sys/arch/sparc64/dev/vcons.c
index da5465685f5..213a134cc1c 100644
--- a/sys/arch/sparc64/dev/vcons.c
+++ b/sys/arch/sparc64/dev/vcons.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vcons.c,v 1.14 2014/05/10 11:49:31 kettenis Exp $	*/
+/*	$OpenBSD: vcons.c,v 1.15 2017/04/30 16:45:45 mpi Exp $	*/
 /*
  * Copyright (c) 2008 Mark Kettenis
  *
@@ -140,7 +140,7 @@ vcons_cnlookc(dev_t dev, int *cp)
 	if (hv_cons_getchar(&ch) == H_EOK) {
 #ifdef DDB
 		if (ch == -1 && db_console)
-			Debugger();
+			db_enter();
 #endif
 		*cp = ch;
 		return (1);
diff --git a/sys/arch/sparc64/dev/viommu.c b/sys/arch/sparc64/dev/viommu.c
index 77362d76eeb..4ded11671eb 100644
--- a/sys/arch/sparc64/dev/viommu.c
+++ b/sys/arch/sparc64/dev/viommu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: viommu.c,v 1.17 2016/05/04 18:26:12 kettenis Exp $	*/
+/*	$OpenBSD: viommu.c,v 1.18 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: iommu.c,v 1.47 2002/02/08 20:03:45 eeh Exp $	*/
 
 /*
@@ -384,7 +384,7 @@ viommu_dvmamap_load(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 		    (int)sgsize, flags);
 #ifdef DDB
 		if (iommudebug & IDB_BREAK)
-			Debugger();
+			db_enter();
 #endif
 	}		
 #endif	
@@ -579,7 +579,7 @@ viommu_dvmamap_load_raw(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 		    "failed!\n", (int)sgsize, flags);
 #ifdef DDB
 		if (iommudebug & IDB_BREAK)
-			Debugger();
+			db_enter();
 #else
 		panic("");
 #endif
diff --git a/sys/arch/sparc64/dev/zs.c b/sys/arch/sparc64/dev/zs.c
index 5c2668a09b8..8b105b7276b 100644
--- a/sys/arch/sparc64/dev/zs.c
+++ b/sys/arch/sparc64/dev/zs.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: zs.c,v 1.28 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: zs.c,v 1.29 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: zs.c,v 1.29 2001/05/30 15:24:24 lukem Exp $	*/
 
 /*-
@@ -670,8 +670,6 @@ zs_write_data(cs, val)
  * XXX - I think I like the mvme167 code better. -gwr
  ****************************************************************/
 
-extern void Debugger(void);
-
 /*
  * Handle user request to enter kernel debugger.
  */
@@ -694,7 +692,7 @@ zs_abort(cs)
 		extern int db_active;
 		
 		if (!db_active)
-			Debugger();
+			db_enter();
 		else
 			/* Debugger is probably hozed */
 			callrom();
diff --git a/sys/arch/sparc64/sparc64/autoconf.c b/sys/arch/sparc64/sparc64/autoconf.c
index a4bc40bcad2..1a9f711f535 100644
--- a/sys/arch/sparc64/sparc64/autoconf.c
+++ b/sys/arch/sparc64/sparc64/autoconf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: autoconf.c,v 1.127 2016/10/18 00:43:57 guenther Exp $	*/
+/*	$OpenBSD: autoconf.c,v 1.128 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: autoconf.c,v 1.51 2001/07/24 19:32:11 eeh Exp $ */
 
 /*
@@ -582,7 +582,7 @@ bootpath_build(void)
 		/* specialties */
 		if (*cp == 'd') {
 #if defined(DDB)
-			Debugger();
+			db_enter();
 #else
 			printf("kernel has no debugger\n");
 #endif
diff --git a/sys/arch/sparc64/sparc64/clock.c b/sys/arch/sparc64/sparc64/clock.c
index e33aa021f2f..3b053f96023 100644
--- a/sys/arch/sparc64/sparc64/clock.c
+++ b/sys/arch/sparc64/sparc64/clock.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: clock.c,v 1.58 2016/03/07 13:21:51 naddy Exp $	*/
+/*	$OpenBSD: clock.c,v 1.59 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: clock.c,v 1.41 2001/07/24 19:29:25 eeh Exp $ */
 
 /*
@@ -740,7 +740,7 @@ clockintr(cap)
 			    "tick_base %llx\n", (long long)t, (long long)clk,
 			    (long long)tk, (long long)tick_base);
 #ifdef DDB
-			Debugger();
+			db_enter();
 #endif
 			tick_base = 0;
 		}
diff --git a/sys/arch/sparc64/sparc64/db_interface.c b/sys/arch/sparc64/sparc64/db_interface.c
index eb84bb99838..f578bd1a554 100644
--- a/sys/arch/sparc64/sparc64/db_interface.c
+++ b/sys/arch/sparc64/sparc64/db_interface.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_interface.c,v 1.47 2016/11/07 00:26:33 guenther Exp $	*/
+/*	$OpenBSD: db_interface.c,v 1.48 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: db_interface.c,v 1.61 2001/07/31 06:55:47 eeh Exp $ */
 
 /*
@@ -573,7 +573,7 @@ db_write_bytes(addr, size, data)
 }
 
 void
-Debugger(void)
+db_enter(void)
 {
 	/* We use the breakpoint to trap into DDB */
 	asm("ta 1; nop");
diff --git a/sys/arch/sparc64/sparc64/intr.c b/sys/arch/sparc64/sparc64/intr.c
index 2947715d45b..f82f6427c28 100644
--- a/sys/arch/sparc64/sparc64/intr.c
+++ b/sys/arch/sparc64/sparc64/intr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: intr.c,v 1.55 2016/06/13 01:08:13 dlg Exp $	*/
+/*	$OpenBSD: intr.c,v 1.56 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: intr.c,v 1.39 2001/07/19 23:38:11 eeh Exp $ */
 
 /*
@@ -109,7 +109,7 @@ strayintr(const struct trapframe64 *fp, int vectored)
 		nstray = 1;
 	}
 #ifdef DDB
-	Debugger();
+	db_enter();
 #endif
 }
 
@@ -213,7 +213,7 @@ intr_establish(int level, struct intrhand *ih)
 	if (!ih->ih_number) {
 		printf("\nintr_establish: NULL vector fun %p arg %p pil %p",
 			  ih->ih_fun, ih->ih_arg, ih->ih_number, ih->ih_pil);
-		Debugger();
+		db_enter();
 	}
 #endif
 
diff --git a/sys/arch/sparc64/sparc64/lock_machdep.c b/sys/arch/sparc64/sparc64/lock_machdep.c
index 0cb1d16b66e..38de1567201 100644
--- a/sys/arch/sparc64/sparc64/lock_machdep.c
+++ b/sys/arch/sparc64/sparc64/lock_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lock_machdep.c,v 1.13 2017/04/04 12:30:04 visa Exp $	*/
+/*	$OpenBSD: lock_machdep.c,v 1.14 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2007 Artur Grabowski <art@openbsd.org>
@@ -100,7 +100,7 @@ __mp_lock_spin(struct __mp_lock *mpl, u_int me)
 
 		if (--nticks <= 0) {
 			db_printf("__mp_lock(%p): lock spun out", mpl);
-			Debugger();
+			db_enter();
 			nticks = __mp_lock_spinout;
 		}
 	}
diff --git a/sys/arch/sparc64/sparc64/locore.s b/sys/arch/sparc64/sparc64/locore.s
index 3ae0dadbb1b..c0779d31cf7 100644
--- a/sys/arch/sparc64/sparc64/locore.s
+++ b/sys/arch/sparc64/sparc64/locore.s
@@ -1,4 +1,4 @@
-/*	$OpenBSD: locore.s,v 1.184 2016/10/18 00:43:57 guenther Exp $	*/
+/*	$OpenBSD: locore.s,v 1.185 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: locore.s,v 1.137 2001/08/13 06:10:10 jdolecek Exp $	*/
 
 /*
@@ -83,7 +83,7 @@
 #undef	FPPROC
 
 /* Let us use same syntax as C code */
-#define Debugger()	ta	1; nop
+#define db_enter()	ta	1; nop
 
 /* use as needed to align things on longword boundaries */
 #define	_ALIGN	.align 8
@@ -2882,7 +2882,7 @@ sun4v_tl1_ptbl_miss:
 	be,pn	%icc, ufill_trap
 	 nop
 
-	Debugger()
+	db_enter()
 	NOTREACHED
 
 flush_others:
@@ -3274,7 +3274,7 @@ pcbspill:
 	NOTREACHED
 
 pcbspill_fail:
-	Debugger()
+	db_enter()
 	NOTREACHED
 
 
@@ -3858,7 +3858,7 @@ interrupt_vector:
 
 	jmpl	%g2, %g0
 	 nop
-	Debugger()
+	db_enter()
 	NOTREACHED
 #else
 	bgeu,pn	%xcc, 3f
diff --git a/sys/arch/sparc64/sparc64/pmap.c b/sys/arch/sparc64/sparc64/pmap.c
index c8954c3ecfc..2ff45660e03 100644
--- a/sys/arch/sparc64/sparc64/pmap.c
+++ b/sys/arch/sparc64/sparc64/pmap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pmap.c,v 1.98 2016/09/15 02:00:17 dlg Exp $	*/
+/*	$OpenBSD: pmap.c,v 1.99 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: pmap.c,v 1.107 2001/08/31 16:47:41 eeh Exp $	*/
 #undef	NO_VCACHE /* Don't forget the locked TLB in dostart */
 /*
@@ -58,9 +58,9 @@
 #include <ddb/db_extern.h>
 #include <ddb/db_access.h>
 #include <ddb/db_output.h>
-#define Debugger()	__asm volatile("ta 1; nop");
+#define db_enter()	__asm volatile("ta 1; nop");
 #else
-#define Debugger()
+#define db_enter()
 #define db_printf	printf
 #endif
 
@@ -1526,7 +1526,7 @@ pmap_release(struct pmap *pm)
 						if (pv != NULL) {
 							printf("pmap_release: pm=%p page %llx still in use\n", pm, 
 							       (unsigned long long)(((u_int64_t)i<<STSHIFT)|((u_int64_t)k<<PDSHIFT)|((u_int64_t)j<<PTSHIFT)));
-							Debugger();
+							db_enter();
 						}
 					}
 					stxa(pdirentp, ASI_PHYS_CACHED, 0);
@@ -1749,7 +1749,7 @@ pmap_kremove(vaddr_t va, vsize_t size)
 			/* We need to flip the valid bit and clear the access statistics. */
 			if (pseg_set(pm, va, 0, 0)) {
 				printf("pmap_kremove: gotten pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 
@@ -1931,7 +1931,7 @@ pmap_remove(struct pmap *pm, vaddr_t va, vaddr_t endva)
 			/* We need to flip the valid bit and clear the access statistics. */
 			if (pseg_set(pm, va, 0, 0)) {
 				printf("pmap_remove: gotten pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 			atomic_dec_long(&pm->pm_stats.resident_count);
@@ -2017,7 +2017,7 @@ pmap_protect(struct pmap *pm, vaddr_t sva, vaddr_t eva, vm_prot_t prot)
 			KDASSERT((data & TLB_NFO) == 0);
 			if (pseg_set(pm, sva, data, 0)) {
 				printf("pmap_protect: gotten pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 			
@@ -2274,7 +2274,7 @@ pmap_clear_modify(struct vm_page *pg)
 			KDASSERT((data & TLB_NFO) == 0);
 			if (pseg_set(pv->pv_pmap, pv->pv_va & PV_VAMASK, data, 0)) {
 				printf("pmap_clear_modify: gotten pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 			if (pv->pv_pmap->pm_ctx || pv->pv_pmap == pmap_kernel()) {
@@ -2325,7 +2325,7 @@ pmap_clear_reference(struct vm_page *pg)
 			KDASSERT((data & TLB_NFO) == 0);
 			if (pseg_set(pv->pv_pmap, pv->pv_va & PV_VAMASK, data, 0)) {
 				printf("pmap_clear_reference: gotten pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 			if (pv->pv_pmap->pm_ctx || pv->pv_pmap == pmap_kernel()) {
@@ -2446,7 +2446,7 @@ pmap_unwire(struct pmap *pmap, vaddr_t va)
 
 	if (pseg_set(pmap, va & PV_VAMASK, data, 0)) {
 		printf("pmap_unwire: gotten pseg empty!\n");
-		Debugger();
+		db_enter();
 		/* panic? */
 	}
 	mtx_leave(&pmap->pm_mtx);
@@ -2501,7 +2501,7 @@ pmap_page_protect(struct vm_page *pg, vm_prot_t prot)
 				KDASSERT((data & TLB_NFO) == 0);
 				if (pseg_set(pv->pv_pmap, pv->pv_va & PV_VAMASK, data, 0)) {
 					printf("pmap_page_protect: gotten pseg empty!\n");
-					Debugger();
+					db_enter();
 					/* panic? */
 				}
 				if (pv->pv_pmap->pm_ctx || pv->pv_pmap == pmap_kernel()) {
@@ -2529,7 +2529,7 @@ pmap_page_protect(struct vm_page *pg, vm_prot_t prot)
 			/* Clear mapping */
 			if (pseg_set(pv->pv_pmap, pv->pv_va & PV_VAMASK, 0, 0)) {
 				printf("pmap_page_protect: gotten pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 			if (pv->pv_pmap->pm_ctx || pv->pv_pmap == pmap_kernel()) {
@@ -2556,7 +2556,7 @@ pmap_page_protect(struct vm_page *pg, vm_prot_t prot)
 			pv->pv_va |= pmap_tte2flags(data);
 			if (pseg_set(pv->pv_pmap, pv->pv_va & PV_VAMASK, 0, 0)) {
 				printf("pmap_page_protect: gotten pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 			if (pv->pv_pmap->pm_ctx || pv->pv_pmap == pmap_kernel()) {
@@ -2647,7 +2647,7 @@ ctx_free(struct pmap *pm)
 		       "ctxbusy[%d] = %p, pm(%p)->pm_ctx = %p\n", 
 		       oldctx, (void *)(u_long)ctxbusy[oldctx], pm,
 		       (void *)(u_long)pm->pm_physaddr);
-		Debugger();
+		db_enter();
 	}
 #endif
 	/* We should verify it has not been stolen and reallocated... */
@@ -2820,7 +2820,7 @@ pmap_page_cache(struct pmap *pm, paddr_t pa, int mode)
 			    pseg_get(pv->pv_pmap, va) & ~(SUN4U_TLB_CV|SUN4U_TLB_CP),
 				     0)) {
 				printf("pmap_page_cache: aliased pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 		} else if (mode && (!(pv->pv_va & PV_NVC))) {
@@ -2828,7 +2828,7 @@ pmap_page_cache(struct pmap *pm, paddr_t pa, int mode)
 			if (pseg_set(pv->pv_pmap, va,
 			    pseg_get(pv->pv_pmap, va) | SUN4U_TLB_CV, 0)) {
 				printf("pmap_page_cache: aliased pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 		} else {
@@ -2836,7 +2836,7 @@ pmap_page_cache(struct pmap *pm, paddr_t pa, int mode)
 			if (pseg_set(pv->pv_pmap, va,
 			    pseg_get(pv->pv_pmap, va) & ~SUN4U_TLB_CV, 0)) {
 				printf("pmap_page_cache: aliased pseg empty!\n");
-				Debugger();
+				db_enter();
 				/* panic? */
 			}
 		}
diff --git a/sys/arch/sparc64/sparc64/vm_machdep.c b/sys/arch/sparc64/sparc64/vm_machdep.c
index 18e012ed879..ac3f4514e83 100644
--- a/sys/arch/sparc64/sparc64/vm_machdep.c
+++ b/sys/arch/sparc64/sparc64/vm_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_machdep.c,v 1.36 2017/02/12 04:55:08 guenther Exp $	*/
+/*	$OpenBSD: vm_machdep.c,v 1.37 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: vm_machdep.c,v 1.38 2001/06/30 00:02:20 eeh Exp $ */
 
 /*
@@ -264,7 +264,7 @@ cpu_fork(struct proc *p1, struct proc *p2, void *stack, void *tcb,
 	printf("cpu_fork: tstate=%lx pc=%lx npc=%lx rsp=%lx\n",
 	       (long)tf2->tf_tstate, (long)tf2->tf_pc, (long)tf2->tf_npc,
 	       (long)(tf2->tf_out[6]));
-	Debugger();
+	db_enter();
 #endif
 }
 
diff --git a/sys/ddb/db_usrreq.c b/sys/ddb/db_usrreq.c
index 40e736d67f4..678680cafe0 100644
--- a/sys/ddb/db_usrreq.c
+++ b/sys/ddb/db_usrreq.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: db_usrreq.c,v 1.18 2016/09/04 09:22:29 mpi Exp $	*/
+/*	$OpenBSD: db_usrreq.c,v 1.19 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 1996 Michael Shalayeff.  All rights reserved.
@@ -96,7 +96,7 @@ ddb_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
 			if (securelevel < 1 ||
 			    (pr->ps_flags & PS_CONTROLT && cn_tab &&
 			    cn_tab->cn_dev == pr->ps_session->s_ttyp->t_dev)) {
-				Debugger();
+				db_enter();
 				newp = NULL;
 			} else
 				return (ENODEV);
diff --git a/sys/dev/ic/aic6250.c b/sys/dev/ic/aic6250.c
index 67a2bd02e48..d438d82ee3a 100644
--- a/sys/dev/ic/aic6250.c
+++ b/sys/dev/ic/aic6250.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: aic6250.c,v 1.2 2013/10/23 10:07:14 miod Exp $	*/
+/*	$OpenBSD: aic6250.c,v 1.3 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2010, 2013 Miodrag Vallat.
@@ -126,7 +126,7 @@
 #include <dev/ic/aic6250var.h>
 
 #ifndef DDB
-#define	Debugger() panic("should call debugger here (aic6250.c)")
+#define	db_enter() panic("should call debugger here (aic6250.c)")
 #endif /* ! DDB */
 
 #ifdef AIC_DEBUG
diff --git a/sys/dev/ic/aic6250var.h b/sys/dev/ic/aic6250var.h
index f5e49a24015..73259cf434b 100644
--- a/sys/dev/ic/aic6250var.h
+++ b/sys/dev/ic/aic6250var.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: aic6250var.h,v 1.2 2013/10/23 10:07:14 miod Exp $	*/
+/*	$OpenBSD: aic6250var.h,v 1.3 2017/04/30 16:45:45 mpi Exp $	*/
 
 /*
  * Copyright (c) 2010, 2013 Miodrag Vallat.
@@ -206,13 +206,13 @@ struct aic6250_softc {
 #define AIC_DOBREAK	0x40
 #define	AIC_PRINT(b, s)	do {if ((aic6250_debug & (b)) != 0) printf s;} while (0)
 #define	AIC_BREAK() \
-	do { if ((aic6250_debug & AIC_DOBREAK) != 0) Debugger(); } while (0)
+	do { if ((aic6250_debug & AIC_DOBREAK) != 0) db_enter(); } while (0)
 #define	AIC_ASSERT(x) \
 	do { \
 		if (!(x)) { \
 			printf("%s at line %d: assertion failed\n", \
 			    sc->sc_dev.dv_xname, __LINE__); \
-			Debugger(); \
+			db_enter(); \
 		} \
 	} while (0)
 #else
diff --git a/sys/dev/ic/aic6360.c b/sys/dev/ic/aic6360.c
index 531b187056d..3520ea837e0 100644
--- a/sys/dev/ic/aic6360.c
+++ b/sys/dev/ic/aic6360.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: aic6360.c,v 1.27 2014/09/14 14:17:24 jsg Exp $	*/
+/*	$OpenBSD: aic6360.c,v 1.28 2017/04/30 16:45:46 mpi Exp $	*/
 /*	$NetBSD: aic6360.c,v 1.52 1996/12/10 21:27:51 thorpej Exp $	*/
 
 #ifdef DDB
@@ -145,7 +145,7 @@
 #include <dev/ic/aic6360var.h>
 
 #ifndef DDB
-#define	Debugger() panic("should call debugger here (aic6360.c)")
+#define	db_enter() panic("should call debugger here (aic6360.c)")
 #endif /* ! DDB */
 
 #ifdef AIC_DEBUG
diff --git a/sys/dev/ic/aic6360var.h b/sys/dev/ic/aic6360var.h
index d0c4dceb0fe..1f7a033bc2e 100644
--- a/sys/dev/ic/aic6360var.h
+++ b/sys/dev/ic/aic6360var.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: aic6360var.h,v 1.8 2011/04/06 18:14:35 miod Exp $	*/
+/*	$OpenBSD: aic6360var.h,v 1.9 2017/04/30 16:45:45 mpi Exp $	*/
 /*	$NetBSD: aic6360.c,v 1.52 1996/12/10 21:27:51 thorpej Exp $	*/
 
 /*
@@ -194,13 +194,13 @@ struct aic_softc {
 #define AIC_DOBREAK	0x40
 #define	AIC_PRINT(b, s)	do {if ((aic_debug & (b)) != 0) printf s;} while (0)
 #define	AIC_BREAK() \
-	do { if ((aic_debug & AIC_DOBREAK) != 0) Debugger(); } while (0)
+	do { if ((aic_debug & AIC_DOBREAK) != 0) db_enter(); } while (0)
 #define	AIC_ASSERT(x) \
 	do { \
 		if (!(x)) { \
 			printf("%s at line %d: assertion failed\n", \
 			    sc->sc_dev.dv_xname, __LINE__); \
-			Debugger(); \
+			db_enter(); \
 		} \
 	} while (0)
 #else
diff --git a/sys/dev/ic/com.c b/sys/dev/ic/com.c
index 6fa8fe9a925..ba3dfce322a 100644
--- a/sys/dev/ic/com.c
+++ b/sys/dev/ic/com.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: com.c,v 1.162 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: com.c,v 1.163 2017/04/30 16:45:46 mpi Exp $	*/
 /*	$NetBSD: com.c,v 1.82.4.1 1996/06/02 09:08:00 mrg Exp $	*/
 
 /*
@@ -1088,7 +1088,7 @@ comintr(void *arg)
 					if (ISSET(sc->sc_hwflags,
 					    COM_HW_CONSOLE)) {
 						if (db_console)
-							Debugger();
+							db_enter();
 						goto next;
 					}
 #endif
diff --git a/sys/dev/ic/ncr5380sbc.c b/sys/dev/ic/ncr5380sbc.c
index 525f22fe552..ce030d61692 100644
--- a/sys/dev/ic/ncr5380sbc.c
+++ b/sys/dev/ic/ncr5380sbc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ncr5380sbc.c,v 1.32 2015/01/15 17:54:14 miod Exp $	*/
+/*	$OpenBSD: ncr5380sbc.c,v 1.33 2017/04/30 16:45:46 mpi Exp $	*/
 /*	$NetBSD: ncr5380sbc.c,v 1.13 1996/10/13 01:37:25 christos Exp $	*/
 
 /*
@@ -122,7 +122,7 @@ void	ncr5380_cmd_timeout(void *);
 
 #ifndef DDB
 /* This is used only in recoverable places. */
-#define Debugger() printf("Debug: ncr5380.c:%d\n", __LINE__)
+#define db_enter() printf("Debug: ncr5380.c:%d\n", __LINE__)
 #endif
 
 #ifdef	NCR5380_DEBUG
@@ -133,7 +133,7 @@ int ncr5380_debug = NCR_DBG_BREAK|NCR_DBG_CMDS;
 struct ncr5380_softc *ncr5380_debug_sc;
 
 #define	NCR_BREAK() \
-	do { if (ncr5380_debug & NCR_DBG_BREAK) Debugger(); } while (0)
+	do { if (ncr5380_debug & NCR_DBG_BREAK) db_enter(); } while (0)
 
 static void ncr5380_show_scsi_cmd(struct scsi_xfer *);
 static void ncr5380_show_sense(struct scsi_xfer *);
diff --git a/sys/dev/ic/osiop.c b/sys/dev/ic/osiop.c
index 5c874e6bc19..07fa9131676 100644
--- a/sys/dev/ic/osiop.c
+++ b/sys/dev/ic/osiop.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: osiop.c,v 1.50 2014/12/19 07:23:57 deraadt Exp $	*/
+/*	$OpenBSD: osiop.c,v 1.51 2017/04/30 16:45:46 mpi Exp $	*/
 /*	$NetBSD: osiop.c,v 1.9 2002/04/05 18:27:54 bouyer Exp $	*/
 
 /*
@@ -596,7 +596,7 @@ osiop_scsidone(acb, status)
 	if (acb == NULL || acb->xs == NULL) {
 		printf("osiop_scsidone: NULL acb %p or scsi_xfer\n", acb);
 #if defined(OSIOP_DEBUG) && defined(DDB)
-		Debugger();
+		db_enter();
 #endif
 		return;
 	}
@@ -1126,7 +1126,7 @@ osiop_checkintr(sc, istat, dstat, sstat0, status)
 		    scraddr, scraddr + sizeof(osiop_script));
 		printf(" istat %x dstat %x sstat0 %x\n", istat, dstat, sstat0);
 #ifdef DDB
-		Debugger();
+		db_enter();
 #endif
 	}
 #endif
@@ -1294,7 +1294,7 @@ osiop_checkintr(sc, istat, dstat, sstat0, status)
 			    osiop_read_1(sc, OSIOP_SBCL),
 			    osiop_read_4(sc, OSIOP_DSP));
 #if defined(OSIOP_DEBUG) && defined(DDB)
-			/*Debugger(); XXX is*/
+			/*db_enter(); XXX is*/
 #endif
 		}
 		switch (OSIOP_PHASE(osiop_read_1(sc, OSIOP_SBCL))) {
@@ -1473,7 +1473,7 @@ osiop_checkintr(sc, istat, dstat, sstat0, status)
 				    "curaddr %lx curlen %lx i %d\n",
 				    acb->curaddr, acb->curlen, i);
 #if defined(OSIOP_DEBUG) && defined(DDB)
-				Debugger();
+				db_enter();
 #endif
 			}
 #ifdef OSIOP_DEBUG
diff --git a/sys/dev/ic/wd33c93.c b/sys/dev/ic/wd33c93.c
index b0f832aa373..0b37f8e8ff8 100644
--- a/sys/dev/ic/wd33c93.c
+++ b/sys/dev/ic/wd33c93.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: wd33c93.c,v 1.9 2016/12/26 17:38:14 jca Exp $	*/
+/*	$OpenBSD: wd33c93.c,v 1.10 2017/04/30 16:45:46 mpi Exp $	*/
 /*	$NetBSD: wd33c93.c,v 1.24 2010/11/13 13:52:02 uebayasi Exp $	*/
 
 /*
@@ -878,7 +878,7 @@ wd33c93_wait(struct wd33c93_softc *sc, u_char until, int timeo, int line)
 			printf("wd33c93_wait: TIMEO @%d with asr=0x%x csr=0x%x\n",
 			    line, val, csr);
 #ifdef DDB
-			Debugger();
+			db_enter();
 #endif
 #endif
 			return(val); /* Maybe I should abort */
@@ -2144,7 +2144,7 @@ wd33c93_nextstate(struct wd33c93_softc *sc, struct wd33c93_acb *acb, u_char csr,
 		    sc->sc_dev.dv_xname, asr, csr);
 
 #ifdef DDB
-		Debugger();
+		db_enter();
 #endif
 
 		SET_SBIC_control(sc, SBIC_CTL_EDI | SBIC_CTL_IDI);
diff --git a/sys/dev/usb/dwc2/dwc2.c b/sys/dev/usb/dwc2/dwc2.c
index 7fb32dcb4ca..80832f45a5b 100644
--- a/sys/dev/usb/dwc2/dwc2.c
+++ b/sys/dev/usb/dwc2/dwc2.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwc2.c,v 1.43 2017/03/10 11:18:48 mpi Exp $	*/
+/*	$OpenBSD: dwc2.c,v 1.44 2017/04/30 16:45:46 mpi Exp $	*/
 /*	$NetBSD: dwc2.c,v 1.32 2014/09/02 23:26:20 macallan Exp $	*/
 
 /*-
@@ -1361,7 +1361,7 @@ dwc2_worker(struct task *wk, void *priv)
 	struct dwc2_softc *sc = priv;
 	struct dwc2_hsotg *hsotg = sc->sc_hsotg;
 
-/* Debugger(); */
+/* db_enter(); */
 #if 0
 	struct usbd_xfer *xfer = dwork->xfer;
 	struct dwc2_xfer *dxfer = DWC2_XFER2DXFER(xfer);
diff --git a/sys/dev/wscons/wskbd.c b/sys/dev/wscons/wskbd.c
index 54342e63317..252b782aaf2 100644
--- a/sys/dev/wscons/wskbd.c
+++ b/sys/dev/wscons/wskbd.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: wskbd.c,v 1.85 2017/03/11 11:55:03 mpi Exp $ */
+/* $OpenBSD: wskbd.c,v 1.86 2017/04/30 16:45:46 mpi Exp $ */
 /* $NetBSD: wskbd.c,v 1.80 2005/05/04 01:52:16 augustss Exp $ */
 
 /*
@@ -1504,7 +1504,7 @@ internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
 #ifdef DDB
 	if (ksym == KS_Cmd_Debugger) {
 		if (sc->sc_isconsole && db_console)
-			Debugger();
+			db_enter();
 		/* discard this key (ddb discarded command modifiers) */
 		*type = WSCONS_EVENT_KEY_UP;
 		return (1);
@@ -1542,7 +1542,7 @@ internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym,
 #ifdef DDB
 		case 2:
 			if (sc->sc_isconsole && db_console)
-				Debugger();
+				db_enter();
 			/* discard this key (ddb discarded command modifiers) */
 			*type = WSCONS_EVENT_KEY_UP;
 			break;
diff --git a/sys/kern/subr_prf.c b/sys/kern/subr_prf.c
index d131ca5a187..5e538674a24 100644
--- a/sys/kern/subr_prf.c
+++ b/sys/kern/subr_prf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: subr_prf.c,v 1.90 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: subr_prf.c,v 1.91 2017/04/30 16:45:46 mpi Exp $	*/
 /*	$NetBSD: subr_prf.c,v 1.45 1997/10/24 18:14:25 chuck Exp $	*/
 
 /*-
@@ -201,7 +201,7 @@ panic(const char *fmt, ...)
 
 #ifdef DDB
 	if (db_panic)
-		Debugger();
+		db_enter();
 	else
 		db_stack_dump();
 #endif
@@ -229,7 +229,7 @@ splassert_fail(int wantipl, int haveipl, const char *func)
 	case 3:
 #ifdef DDB
 		db_stack_dump();
-		Debugger();
+		db_enter();
 #endif
 		break;
 	default:
diff --git a/sys/kern/subr_userconf.c b/sys/kern/subr_userconf.c
index e79d078d8e6..7a1e245e6e9 100644
--- a/sys/kern/subr_userconf.c
+++ b/sys/kern/subr_userconf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: subr_userconf.c,v 1.44 2015/09/11 07:13:58 miod Exp $	*/
+/*	$OpenBSD: subr_userconf.c,v 1.45 2017/04/30 16:45:46 mpi Exp $	*/
 
 /*
  * Copyright (c) 1996-2001 Mats O Jansson <moj@stacken.kth.se>
@@ -1256,7 +1256,7 @@ userconf_parse(char *cmd)
 			break;
 #if defined(DDB)
 		case 'D':
-			Debugger();
+			db_enter();
 			break;
 #endif
 		case 'd':
diff --git a/sys/kern/subr_witness.c b/sys/kern/subr_witness.c
index 5129871ff8c..26839f730e9 100644
--- a/sys/kern/subr_witness.c
+++ b/sys/kern/subr_witness.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: subr_witness.c,v 1.1 2017/04/20 12:59:36 visa Exp $	*/
+/*	$OpenBSD: subr_witness.c,v 1.2 2017/04/30 16:45:46 mpi Exp $	*/
 
 /*-
  * Copyright (c) 2008 Isilon Systems, Inc.
@@ -30,8 +30,8 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	from BSDI $Id: subr_witness.c,v 1.1 2017/04/20 12:59:36 visa Exp $
- *	and BSDI $Id: subr_witness.c,v 1.1 2017/04/20 12:59:36 visa Exp $
+ *	from BSDI $Id: subr_witness.c,v 1.2 2017/04/30 16:45:46 mpi Exp $
+ *	and BSDI $Id: subr_witness.c,v 1.2 2017/04/30 16:45:46 mpi Exp $
  */
 
 /*
@@ -2521,5 +2521,5 @@ witness_debugger(int cond, const char *msg)
 	if (!cond)
 		return;
 
-	Debugger();
+	db_enter();
 }
diff --git a/sys/sys/systm.h b/sys/sys/systm.h
index 4bb3b7ec9ac..8d925d6294a 100644
--- a/sys/sys/systm.h
+++ b/sys/sys/systm.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: systm.h,v 1.127 2017/04/30 13:04:49 mpi Exp $	*/
+/*	$OpenBSD: systm.h,v 1.128 2017/04/30 16:45:46 mpi Exp $	*/
 /*	$NetBSD: systm.h,v 1.50 1996/06/09 04:55:09 briggs Exp $	*/
 
 /*-
@@ -340,7 +340,7 @@ extern int (*mountroot)(void);
 
 #if defined(DDB)
 /* debugger entry points */
-void	Debugger(void);	/* in DDB only */
+void	db_enter(void);	/* in DDB only */
 #endif
 
 #ifdef BOOT_CONFIG