stubs: group stubs for user-mode emulation

Some stubs are used for user-mode emulation only; they are not
needed by tools.  Move them out of stubs/.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

MAINTAINERS

@@ -1494,6 +1494,7 @@ M: Riku Voipio <riku.voipio@iki.fi>
 S: Maintained
 F: thunk.c
 F: user-exec.c
+F: user-exec-stub.c
 
 BSD user
 S: Orphan

Makefile.target

@@ -115,7 +115,7 @@ QEMU_CFLAGS+=-I$(SRC_PATH)/linux-user/$(TARGET_ABI_DIR) \
              -I$(SRC_PATH)/linux-user
 
 obj-y += linux-user/
-obj-y += gdbstub.o thunk.o user-exec.o
+obj-y += gdbstub.o thunk.o user-exec.o user-exec-stub.o
 
 endif #CONFIG_LINUX_USER
 
@@ -128,7 +128,7 @@ QEMU_CFLAGS+=-I$(SRC_PATH)/bsd-user -I$(SRC_PATH)/bsd-user/$(TARGET_ABI_DIR) \
 			 -I$(SRC_PATH)/bsd-user/$(HOST_VARIANT_DIR)
 
 obj-y += bsd-user/
-obj-y += gdbstub.o user-exec.o
+obj-y += gdbstub.o user-exec.o user-exec-stub.o
 
 endif #CONFIG_BSD_USER
 

stubs/Makefile.objs

@@ -25,7 +25,6 @@ stub-obj-y += monitor.o
 stub-obj-y += notify-event.o
 stub-obj-y += qtest.o
 stub-obj-y += replay.o
-stub-obj-y += replay-user.o
 stub-obj-y += runstate-check.o
 stub-obj-y += set-fd-handler.o
 stub-obj-y += slirp.o
@@ -35,7 +34,6 @@ stub-obj-y += uuid.o
 stub-obj-y += vm-stop.o
 stub-obj-y += vmstate.o
 stub-obj-$(CONFIG_WIN32) += fd-register.o
-stub-obj-y += cpus.o
 stub-obj-y += kvm.o
 stub-obj-y += qmp_pc_dimm_device_list.o
 stub-obj-y += target-monitor-defs.o

stubs/cpus.c

@@ -1,11 +0,0 @@
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qom/cpu.h"
-
-void cpu_resume(CPUState *cpu)
-{
-}
-
-void qemu_init_vcpu(CPUState *cpu)
-{
-}

stubs/replay-user.c

@@ -1,33 +0,0 @@
-/*
- * replay.c
- *
- * Copyright (c) 2010-2015 Institute for System Programming
- *                         of the Russian Academy of Sciences.
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-#include "sysemu/replay.h"
-
-bool replay_exception(void)
-{
-    return true;
-}
-
-bool replay_has_exception(void)
-{
-    return false;
-}
-
-bool replay_interrupt(void)
-{
-    return true;
-}
-
-bool replay_has_interrupt(void)
-{
-    return false;
-}

user-exec-stub.c

@@ -0,0 +1,34 @@
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qom/cpu.h"
+#include "sysemu/replay.h"
+
+void cpu_resume(CPUState *cpu)
+{
+}
+
+void qemu_init_vcpu(CPUState *cpu)
+{
+}
+
+/* User mode emulation does not support record/replay yet.  */
+
+bool replay_exception(void)
+{
+    return true;
+}
+
+bool replay_has_exception(void)
+{
+    return false;
+}
+
+bool replay_interrupt(void)
+{
+    return true;
+}
+
+bool replay_has_interrupt(void)
+{
+    return false;
+}