vmstate: Introduce VMSTATE_STRUCT_POINTER_TEST
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/hw.h b/hw/hw.h
index 0f4442a..0a5acd4 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -446,12 +446,13 @@
.offset = vmstate_offset_value(_state, _field, _type), \
}
-#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) { \
- .name = (stringify(_field)), \
- .vmsd = &(_vmsd), \
- .size = sizeof(_type), \
- .flags = VMS_STRUCT|VMS_POINTER, \
- .offset = vmstate_offset_value(_state, _field, _type), \
+#define VMSTATE_STRUCT_POINTER_TEST(_field, _state, _test, _vmsd, _type) { \
+ .name = (stringify(_field)), \
+ .field_exists = (_test), \
+ .vmsd = &(_vmsd), \
+ .size = sizeof(_type), \
+ .flags = VMS_STRUCT|VMS_POINTER, \
+ .offset = vmstate_offset_value(_state, _field, _type), \
}
#define VMSTATE_ARRAY_OF_POINTER(_field, _state, _num, _version, _info, _type) {\
@@ -578,6 +579,9 @@
#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
+#define VMSTATE_STRUCT_POINTER(_field, _state, _vmsd, _type) \
+ VMSTATE_STRUCT_POINTER_TEST(_field, _state, NULL, _vmsd, _type)
+
#define VMSTATE_INT8_V(_f, _s, _v) \
VMSTATE_SINGLE(_f, _s, _v, vmstate_info_int8, int8_t)
#define VMSTATE_INT16_V(_f, _s, _v) \
