diff --git a/core/soong_java_prebuilt.mk b/core/soong_java_prebuilt.mk
new file mode 100644
index 0000000..ee8b199
--- /dev/null
+++ b/core/soong_java_prebuilt.mk
@@ -0,0 +1,45 @@
+# Java prebuilt coming from Soong.
+# Extra inputs:
+# LOCAL_SOONG_HEADER_JAR
+# LOCAL_SOONG_DEX
+
+ifneq ($(LOCAL_MODULE_MAKEFILE),$(SOONG_ANDROID_MK))
+  $(call pretty-error,soong_java_prebuilt.mk may only be used from Soong)
+endif
+
+# TODO: device support
+ifndef LOCAL_IS_HOST_MODULE
+  $(call pretty-error,exporting soong device jars to make not supported yet)
+endif
+
+LOCAL_MODULE_SUFFIX := .jar
+LOCAL_BUILT_MODULE_STEM := javalib.jar
+
+#######################################
+include $(BUILD_SYSTEM)/base_rules.mk
+#######################################
+
+full_classes_jar := $(intermediates.COMMON)/classes.jar
+full_classes_header_jar := $(intermediates.COMMON)/classes-header.jar
+
+LOCAL_FULL_CLASSES_PRE_JACOCO_JAR := $(LOCAL_PREBUILT_MODULE_FILE)
+
+#######################################
+include $(BUILD_SYSTEM)/jacoco.mk
+#######################################
+
+$(eval $(call copy-one-file,$(LOCAL_FULL_CLASSES_JACOCO_JAR),$(LOCAL_BUILT_MODULE)))
+$(eval $(call copy-one-file,$(LOCAL_FULL_CLASSES_JACOCO_JAR),$(full_classes_jar)))
+
+ifdef LOCAL_SOONG_HEADER_JAR
+$(eval $(call copy-one-file,$(LOCAL_SOONG_HEADER_JAR),$(full_classes_header_jar)))
+else
+$(eval $(call copy-one-file,$(full_classes_jar),$(full_classes_header_jar)))
+endif
+
+javac-check : $(full_classes_jar)
+javac-check-$(LOCAL_MODULE) : $(full_classes_jar)
+
+# Built in equivalent to include $(CLEAR_VARS)
+LOCAL_SOONG_HEADER_JAR :=
+LOCAL_SOONG_DEX :=