aarch64: fix build broken by recent changes

fix build for Aarch64 broken by commit 66317807 and b3fa77d3.

Signed-off-by: Claudio Fontana <claudio.fontana@huawei.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

arch/aarch64/dump.cc

+/*
+ * Copyright (C) 2014 Huawei Technologies Duesseldorf GmbH
+ *
+ * This work is open source software, licensed under the terms of the
+ * BSD license as described in the LICENSE file in the top-level directory.
+ */
+
+#include <osv/debug.h>
+#include <osv/demangle.hh>
+
+#include "dump.hh"
+
+void dump_registers(exception_frame* ef)
+{
+}

arch/aarch64/dump.hh

+/*
+ * Copyright (C) 2013 Cloudius Systems, Ltd.
+ *
+ * This work is open source software, licensed under the terms of the
+ * BSD license as described in the LICENSE file in the top-level directory.
+ */
+
+#ifndef DUMP_HH
+#define DUMP_HH
+
+struct exception_frame;
+
+void dump_registers(exception_frame* ef);
+
+#endif /* DUMP_HH */

build.mk

@@ -722,6 +722,7 @@ objects += arch/$(arch)/elf-dl.o
 objects += arch/$(arch)/entry.o
 objects += arch/$(arch)/mmu.o
 objects += arch/$(arch)/exceptions.o
+objects += arch/$(arch)/dump.o
 
 ifeq ($(arch),aarch64)
 objects += arch/$(arch)/arm-clock.o
@@ -730,7 +731,6 @@ endif
 
 ifeq ($(arch),x64)
 objects += arch/x64/arch-trace.o
-objects += arch/x64/dump.o
 objects += arch/x64/ioapic.o
 objects += arch/x64/math.o
 objects += arch/x64/apic.o
@@ -739,6 +739,7 @@ objects += arch/x64/cpuid.o
 objects += arch/x64/entry-xen.o
 objects += arch/x64/xen.o
 objects += arch/x64/xen_intr.o
+objects += core/sampler.o
 objects += $(acpi)
 endif # x64
 
@@ -778,7 +779,6 @@ objects += core/net_channel.o
 objects += core/demangle.o
 objects += core/async.o
 objects += core/net_trace.o
-objects += core/sampler.o
 
 include $(src)/fs/build.mk
 include $(src)/libc/build.mk