Merge "Drop obsolete javac -extdirs commandline arg."
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index ab68d8d..0d182e9 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -103,15 +103,23 @@
   endif
 endif
 
-# Disable integer_overflow if LOCAL_NOSANITIZE=integer.
 ifneq ($(filter integer_overflow, $(my_global_sanitize) $(my_sanitize)),)
+  # Disable integer_overflow in excluded paths.
+  combined_exclude_paths := $(INTEGER_OVERFLOW_EXCLUDE_PATHS) \
+                            $(PRODUCT_INTEGER_OVERFLOW_EXCLUDE_PATHS)
+
+  ifneq ($(strip $(foreach dir,$(subst $(comma),$(space),$(combined_exclude_paths)),\
+         $(filter $(dir)%,$(LOCAL_PATH)))),)
+    my_sanitize := $(filter-out integer_overflow,$(my_sanitize))
+    my_sanitize_diag := $(filter-out integer_overflow,$(my_sanitize_diag))
+  endif
+  # Disable integer_overflow if LOCAL_NOSANITIZE=integer.
   ifneq ($(filter integer, $(strip $(LOCAL_NOSANITIZE))),)
     my_sanitize := $(filter-out integer_overflow,$(my_sanitize))
     my_sanitize_diag := $(filter-out integer_overflow,$(my_sanitize_diag))
   endif
 endif
 
-
 my_nosanitize = $(strip $(LOCAL_NOSANITIZE))
 ifneq ($(my_nosanitize),)
   my_sanitize := $(filter-out $(my_nosanitize),$(my_sanitize))
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index 48a930d..4f5b1bc 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -166,6 +166,10 @@
 # TODO: not clear if this is used any more
 $(full_target): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)
 
+# TODO(tobiast): Clean this up once we move to -source 1.9.
+# OpenJDK 9 does not have the concept of a "boot classpath" so we should
+# then rename PRIVATE_BOOTCLASSPATH to PRIVATE_MODULE or similar. For now,
+# keep -bootclasspath here since it works in combination with -source 1.8.
 $(full_target): \
         $(full_src_files) \
         $(droiddoc_templates) \
@@ -210,6 +214,18 @@
 ## standard doclet only
 ##
 ##
+
+ifneq ($(EXPERIMENTAL_USE_OPENJDK9),)
+# For OpenJDK 9 we use --patch-module to define the core libraries code.
+# TODO(tobiast): Reorganize this when adding proper support for OpenJDK 9
+# modules. Here we treat all code in core libraries as being in java.base
+# to work around the OpenJDK 9 module system. http://b/62049770
+$(full_target): PRIVATE_BOOTCLASSPATH_ARG := --patch-module=java.base=$(PRIVATE_BOOTCLASSPATH)
+else
+# For OpenJDK 8 we can use -bootclasspath to define the core libraries code.
+$(full_target): PRIVATE_BOOTCLASSPATH_ARG := $(addprefix -bootclasspath ,$(PRIVATE_BOOTCLASSPATH))
+endif
+
 $(full_target): $(full_src_files) $(full_java_lib_deps)
 	@echo Docs javadoc: $(PRIVATE_OUT_DIR)
 	@mkdir -p $(dir $@)
@@ -225,7 +241,7 @@
                 -Xdoclint:none \
                 $(PRIVATE_PROFILING_OPTIONS) \
                 $(addprefix -classpath ,$(PRIVATE_CLASSPATH)) \
-                $(addprefix -bootclasspath ,$(PRIVATE_BOOTCLASSPATH)) \
+                $(PRIVATE_BOOTCLASSPATH_ARG) \
                 -sourcepath $(PRIVATE_SOURCE_PATH)$(addprefix :,$(PRIVATE_CLASSPATH)) \
                 -d $(PRIVATE_OUT_DIR) \
                 -quiet \
diff --git a/core/pathmap.mk b/core/pathmap.mk
index c328e58..717844f 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -63,12 +63,6 @@
 endef
 
 #
-# Many modules expect to be able to say "#include <jni.h>",
-# so make it easy for them to find the correct path.
-#
-JNI_H_INCLUDE := libnativehelper/include/nativehelper
-
-#
 # A list of all source roots under frameworks/base, which will be
 # built into the android.jar.
 #
diff --git a/core/product.mk b/core/product.mk
index 5e943ce..c5ddf81 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -135,6 +135,7 @@
     PRODUCT_IOT \
     PRODUCT_SYSTEM_HEADROOM \
     PRODUCT_MINIMIZE_JAVA_DEBUG_INFO \
+    PRODUCT_INTEGER_OVERFLOW_EXCLUDE_PATHS \
 
 
 
diff --git a/core/product_config.mk b/core/product_config.mk
index 71a342d..36f473f 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -431,3 +431,7 @@
 # Whether to save disk space by minimizing java debug info
 PRODUCT_MINIMIZE_JAVA_DEBUG_INFO := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_MINIMIZE_JAVA_DEBUG_INFO))
+
+# Whether any paths are excluded from sanitization when SANITIZE_TARGET=integer_overflow
+PRODUCT_INTEGER_OVERFLOW_EXCLUDE_PATHS := \
+    $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_INTEGER_OVERFLOW_EXCLUDE_PATHS))
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 54a30ea..cdd2896 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -79,6 +79,7 @@
 	echo '    "CrossHostSecondaryArch": "$(HOST_CROSS_2ND_ARCH)",'; \
 	echo '    "Safestack": $(if $(filter true,$(USE_SAFESTACK)),true,false),'; \
 	echo '    "EnableCFI": $(if $(filter false,$(ENABLE_CFI)),false,true),'; \
+	echo '    "IntegerOverflowExcludePaths": $(call json_list,$(INTEGER_OVERFLOW_EXCLUDE_PATHS) $(PRODUCT_INTEGER_OVERFLOW_EXCLUDE_PATHS)),'; \
 	echo '    "Device_uses_hwc2": $(if $(filter true,$(TARGET_USES_HWC2)),true,false),'; \
 	echo '    "Override_rs_driver": "$(OVERRIDE_RS_DRIVER)",'; \
 	echo '    "Treble": $(if $(filter true,$(PRODUCT_FULL_TREBLE)),true,false),'; \