Fix Object::IsSoftReference

Also changed -Xzygote to default boot.art and log arguments

Finally Makefile work:
- separate out test dependencies
- changed zygote with art to work by replacing libdvm with libart[d]
- changed Makefile defines to name and error check their arguments
  This was to fix bug in generating ART_TARGET_EXECUTABLES
  where we used $(1) when we meant $(3)

Change-Id: I7ef6008eff1fe99b59d151b6793e8fd8ea5304d4
diff --git a/Android.mk b/Android.mk
index 0503f8c..e9bc1df 100644
--- a/Android.mk
+++ b/Android.mk
@@ -57,8 +57,11 @@
   $(foreach file,$(sort $(ART_HOST_TEST_EXECUTABLES)),$(1) $(file) &&) true
 endef
 
-ART_HOST_TEST_DEPENDENCIES   := $(ART_HOST_EXECUTABLES)   $(ART_HOST_TEST_EXECUTABLES)   $(ANDROID_HOST_OUT)/framework/core-hostdex.jar   $(ART_TEST_OAT_FILES)
-ART_TARGET_TEST_DEPENDENCIES := $(ART_TARGET_EXECUTABLES) $(ART_TARGET_TEST_EXECUTABLES) $(ANDROID_PRODUCT_OUT)/system/framework/core.jar $(ART_TEST_OAT_FILES)
+ART_HOST_DEPENDENCIES   := $(ART_HOST_EXECUTABLES)   $(ANDROID_HOST_OUT)/framework/core-hostdex.jar
+ART_TARGET_DEPENDENCIES := $(ART_TARGET_EXECUTABLES) $(ANDROID_PRODUCT_OUT)/system/framework/core.jar
+
+ART_HOST_TEST_DEPENDENCIES   := $(ART_HOST_DEPENDENCIES)   $(ART_TEST_OAT_FILES)
+ART_TARGET_TEST_DEPENDENCIES := $(ART_TARGET_DEPENDENCIES) $(ART_TEST_OAT_FILES)
 
 ART_TARGET_TEST_DEPENDENCIES += $(TARGET_OUT_EXECUTABLES)/oat_process $(TARGET_OUT_EXECUTABLES)/oat_processd
 
@@ -165,20 +168,34 @@
 ########################################################################
 # zygote targets
 #
-# zygote-oat-process will change to use art to boot the device
-# zygote-app-process will restore to booting with dalvik
+# zygote-artd will change to use art to boot the device with a debug build
+# zygote-art will change to use art to boot the device with a production build
+# zygote-dalvik will restore to booting with dalvik
+#
+# zygote-artd-target-sync will just push a new artd in place of dvm
+# zygote-art-target-sync will just push a new art in place of dvm
 
-.PHONY: zygote-oat-process
-zygote-oat-process: $(TARGET_BOOT_OAT) test-art-target-sync
-	sed -e 's/app_process/oat_process/' -e 's/--start-system-server/--start-system-server --no-preload/' < system/core/rootdir/init.rc > $(ANDROID_PRODUCT_OUT)/root/init.rc
+.PHONY: zygote-artd-target-sync
+zygote-artd-target-sync: $(ART_TARGET_DEPENDENCIES)
+	cp $(ANDROID_PRODUCT_OUT)/system/lib/libartd.so $(ANDROID_PRODUCT_OUT)/system/lib/libdvm.so
+	cp $(ANDROID_PRODUCT_OUT)/symbols/system/lib/libartd.so $(ANDROID_PRODUCT_OUT)/symbols/system/lib/libdvm.so
+	adb remount
+	adb sync
+
+zygote-artd: $(TARGET_BOOT_OAT) zygote-artd-target-sync
+	sed 's/--start-system-server/--start-system-server --no-preload/' < system/core/rootdir/init.rc > $(ANDROID_PRODUCT_OUT)/root/init.rc
 	rm -f $(ANDROID_PRODUCT_OUT)/boot.img
 	unset ONE_SHOT_MAKEFILE && $(MAKE) showcommands bootimage
 	adb reboot bootloader
 	fastboot flash boot $(ANDROID_PRODUCT_OUT)/boot.img
 	fastboot reboot
 
-.PHONY: zygote-app-process
-zygote-app-process:
+.PHONY: zygote-dalvik
+zygote-dalvik:
+	cp $(ANDROID_PRODUCT_OUT)/obj/lib/libdvm.so $(ANDROID_PRODUCT_OUT)/system/lib/libdvm.so
+	cp $(ANDROID_PRODUCT_OUT)/obj/SHARED_LIBRARIES/libdvm_intermediates/LINKED/libdvm.so $(ANDROID_PRODUCT_OUT)/symbols/system/lib/libdvm.so
+	adb remount
+	adb sync
 	cp system/core/rootdir/init.rc $(ANDROID_PRODUCT_OUT)/root/init.rc
 	rm -f $(ANDROID_PRODUCT_OUT)/boot.img
 	unset ONE_SHOT_MAKEFILE && $(MAKE) showcommands bootimage
diff --git a/build/Android.executable.mk b/build/Android.executable.mk
index 3311b99..7619f74 100644
--- a/build/Android.executable.mk
+++ b/build/Android.executable.mk
@@ -22,50 +22,69 @@
 # $(3): target or host
 # $(4): ndebug or debug
 define build-art-executable
+  ifneq ($(3),target)
+    ifneq ($(3),host)
+      $$(error expected target or host for argument 3, received $(3))
+    endif
+  endif
+  ifneq ($(4),ndebug)
+    ifneq ($(4),debug)
+      $$(error expected ndebug or debug for argument 4, received $(4))
+    endif
+  endif
+
+  art_executable := $(1)
+  art_source := $(2)
+  art_target_or_host := $(3)
+  art_ndebug_or_debug := $(4)
+
   include $(CLEAR_VARS)
-  ifeq ($(3),target)
+  ifeq ($$(art_target_or_host),target)
     include external/stlport/libstlport.mk
   endif
+
   LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
-  ifeq ($(4),ndebug)
-    LOCAL_MODULE := $(1)
-  else
-    LOCAL_MODULE := $(1)d
-  endif
   LOCAL_MODULE_TAGS := optional
-  LOCAL_SRC_FILES := $(2)
-  ifeq ($(3),target)
-    LOCAL_CFLAGS := $(ART_TARGET_CFLAGS)
-  else
-    LOCAL_CFLAGS := $(ART_HOST_CFLAGS)
+  LOCAL_SRC_FILES := $$(art_source)
+  LOCAL_C_INCLUDES += $(ART_C_INCLUDES)
+  LOCAL_SHARED_LIBRARIES := libnativehelper
+
+  ifeq ($$(art_ndebug_or_debug),ndebug)
+    LOCAL_MODULE := $$(art_executable)
+  else #debug
+    LOCAL_MODULE := $$(art_executable)d
   endif
-  ifeq ($(4),debug)
-    ifeq ($(3),target)
+
+  ifeq ($(art_target_or_host),target)
+    LOCAL_CFLAGS := $(ART_TARGET_CFLAGS)
+    ifeq ($$(art_ndebug_or_debug),debug)
       LOCAL_CFLAGS += $(ART_TARGET_DEBUG_CFLAGS)
-    else
+    endif
+  else # host
+    LOCAL_CFLAGS := $(ART_HOST_CFLAGS)
+    ifeq ($$(art_ndebug_or_debug),debug)
       LOCAL_CFLAGS += $(ART_HOST_DEBUG_CFLAGS)
     endif
   endif
-  LOCAL_C_INCLUDES += $(ART_C_INCLUDES)
-  LOCAL_SHARED_LIBRARIES := libnativehelper
-  ifeq ($(4),ndebug)
+
+  ifeq ($$(art_ndebug_or_debug),ndebug)
     LOCAL_SHARED_LIBRARIES += libart
-  else
+  else # debug
     LOCAL_SHARED_LIBRARIES += libartd
   endif
-  ifeq ($(3),target)
+
+  ifeq ($$(art_target_or_host),target)
     LOCAL_SHARED_LIBRARIES += libstlport
   endif
-  ifeq ($(3),target)
+
+  ifeq ($$(art_target_or_host),target)
     include $(BUILD_EXECUTABLE)
-  else
+    ART_TARGET_EXECUTABLES := $(ART_TARGET_EXECUTABLES) $(TARGET_OUT_EXECUTABLES)/$$(LOCAL_MODULE)
+  else # host
     include $(BUILD_HOST_EXECUTABLE)
+    ART_HOST_EXECUTABLES := $(ART_HOST_EXECUTABLES) $(HOST_OUT_EXECUTABLES)/$$(LOCAL_MODULE)
   endif
-  ifeq ($(1),target)
-    ART_TARGET_EXECUTABLES += $(TARGET_OUT_EXECUTABLES)/$$(LOCAL_MODULE)
-  else
-    ART_HOST_EXECUTABLES += $(HOST_OUT_EXECUTABLES)/$$(LOCAL_MODULE)
-  endif
+
 endef
 
 ifeq ($(ART_BUILD_TARGET_NDEBUG),true)
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index e35758d..92443be 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -18,37 +18,43 @@
 ART_TARGET_TEST_EXECUTABLES :=
 
 # $(1): target or host
-# $(2): file name with .cc or .cc.arm extension
+# $(2): file name
 define build-art-test
+  ifneq ($(1),target)
+    ifneq ($(1),host)
+      $$(error expected target or host for argument 1, received $(1))
+    endif
+  endif
+
+  art_target_or_host := $(1)
+  art_gtest_filename := $(2)
+
   include $(CLEAR_VARS)
-  ifeq ($(1),target)
+  ifeq ($$(art_target_or_host),target)
     include external/stlport/libstlport.mk
   endif
+
   LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
-  LOCAL_MODULE := $(notdir $(basename $(2:%.arm=%)))
+  LOCAL_MODULE := $(notdir $(basename $$(art_gtest_filename)))
   LOCAL_MODULE_TAGS := tests
-  LOCAL_SRC_FILES := $(2)
+  LOCAL_SRC_FILES := $$(art_gtest_filename)
   LOCAL_C_INCLUDES += $(ART_C_INCLUDES)
   LOCAL_SHARED_LIBRARIES := libarttest libartd
-  ifeq ($(1),target)
+
+  ifeq ($$(art_target_or_host),target)
     LOCAL_CFLAGS := $(ART_TARGET_CFLAGS) $(ART_TARGET_DEBUG_CFLAGS)
     LOCAL_SHARED_LIBRARIES += libdl libicuuc libicui18n libnativehelper libstlport libz
     LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
-  else
+    include $(BUILD_EXECUTABLE)
+    ART_TARGET_TEST_EXECUTABLES += $(TARGET_OUT_EXECUTABLES)/$$(LOCAL_MODULE)
+  else # host
     LOCAL_CFLAGS := $(ART_HOST_CFLAGS) $(ART_HOST_DEBUG_CFLAGS)
     LOCAL_SHARED_LIBRARIES += libicuuc-host libicui18n-host libnativehelper libz-host
     LOCAL_WHOLE_STATIC_LIBRARIES := libgtest_main_host
-  endif
-  ifeq ($(1),target)
-    include $(BUILD_EXECUTABLE)
-  else
     include $(BUILD_HOST_EXECUTABLE)
-  endif
-  ifeq ($(1),target)
-    ART_TARGET_TEST_EXECUTABLES += $(TARGET_OUT_EXECUTABLES)/$$(LOCAL_MODULE)
-  else
     ART_HOST_TEST_EXECUTABLES += $(HOST_OUT_EXECUTABLES)/$$(LOCAL_MODULE)
   endif
+
 endef
 
 ifeq ($(ART_BUILD_TARGET),true)
diff --git a/build/Android.libart.mk b/build/Android.libart.mk
index b58d8e8..6c33512 100644
--- a/build/Android.libart.mk
+++ b/build/Android.libart.mk
@@ -17,47 +17,62 @@
 # $(1): target or host
 # $(2): ndebug or debug
 define build-libart
+  ifneq ($(1),target)
+    ifneq ($(1),host)
+      $$(error expected target or host for argument 1, received $(1))
+    endif
+  endif
+  ifneq ($(2),ndebug)
+    ifneq ($(2),debug)
+      $$(error expected ndebug or debug for argument 2, received $(2))
+    endif
+  endif
+
+  art_target_or_host := $(1)
+  art_ndebug_or_debug := $(2)
+
   include $(CLEAR_VARS)
-  ifeq ($(1),target)
+  ifeq ($$(art_target_or_host),target)
     include external/stlport/libstlport.mk
   endif
   LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
-  ifeq ($(2),ndebug)
+  ifeq ($$(art_ndebug_or_debug),ndebug)
     LOCAL_MODULE := libart
-  else
+  else # debug
     LOCAL_MODULE := libartd
   endif
+
   LOCAL_MODULE_TAGS := optional
-  ifeq ($(1),target)
+  ifeq ($$(art_target_or_host),target)
     LOCAL_SRC_FILES := $(LIBART_TARGET_SRC_FILES)
-  else
+  else # host
     LOCAL_SRC_FILES := $(LIBART_HOST_SRC_FILES)
   endif
-  ifeq ($(1),target)
+  ifeq ($$(art_target_or_host),target)
     LOCAL_CFLAGS := $(ART_TARGET_CFLAGS)
-  else
+  else # host
     LOCAL_CFLAGS := $(ART_HOST_CFLAGS)
   endif
-  ifeq ($(2),debug)
-    ifeq ($(1),target)
+  ifeq ($$(art_ndebug_or_debug),debug)
+    ifeq ($$(art_target_or_host),target)
       LOCAL_CFLAGS += $(ART_TARGET_DEBUG_CFLAGS)
-    else
+    else # host
       LOCAL_CFLAGS += $(ART_HOST_DEBUG_CFLAGS)
       LOCAL_STATIC_LIBRARIES := libgtest_host
     endif
   endif
   LOCAL_C_INCLUDES += $(ART_C_INCLUDES)
   LOCAL_SHARED_LIBRARIES := liblog libnativehelper
-  ifeq ($(1),target)
+  ifeq ($$(art_target_or_host),target)
     LOCAL_SHARED_LIBRARIES += libcutils libstlport libz libdl
-  else
+  else # host
     LOCAL_SHARED_LIBRARIES += libz-host
     LOCAL_LDLIBS := -ldl -lpthread -lrt
   endif
   LOCAL_STATIC_LIBRARIES += libdex
-  ifeq ($(1),target)
+  ifeq ($$(art_target_or_host),target)
     include $(BUILD_SHARED_LIBRARY)
-  else
+  else # host
     include $(BUILD_HOST_SHARED_LIBRARY)
   endif
 endef
diff --git a/build/Android.libarttest.mk b/build/Android.libarttest.mk
index 823f78e..86927c3 100644
--- a/build/Android.libarttest.mk
+++ b/build/Android.libarttest.mk
@@ -16,27 +16,33 @@
 
 # $(1): target or host
 define build-libarttest
+  ifneq ($(1),target)
+    ifneq ($(1),host)
+      $$(error expected target or host for argument 1, received $(1))
+    endif
+  endif
+
+  art_target_or_host := $(1)
+
   include $(CLEAR_VARS)
-  ifeq ($(1),target)
+  ifeq ($$(art_target_or_host),target)
    include external/stlport/libstlport.mk
   endif
+
   LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
   LOCAL_MODULE := libarttest
   LOCAL_MODULE_TAGS := tests
   LOCAL_SRC_FILES := $(LIBARTTEST_COMMON_SRC_FILES)
   LOCAL_SHARED_LIBRARIES := libartd
-  ifeq ($(1),target)
+  LOCAL_C_INCLUDES += $(ART_C_INCLUDES)
+  ifeq ($$(art_target_or_host),target)
     LOCAL_CFLAGS := $(ART_TARGET_CFLAGS) $(ART_TARGET_DEBUG_CFLAGS)
     LOCAL_SHARED_LIBRARIES += libdl libstlport
     LOCAL_STATIC_LIBRARIES := libgtest
-  else
+    include $(BUILD_SHARED_LIBRARY)
+  else # host
     LOCAL_CFLAGS := $(ART_HOST_CFLAGS) $(ART_HOST_DEBUG_CFLAGS)
     LOCAL_LDLIBS := -ldl -lrt -lpthread
-  endif
-  LOCAL_C_INCLUDES += $(ART_C_INCLUDES)
-  ifeq ($(1),target)
-    include $(BUILD_SHARED_LIBRARY)
-  else
     include $(BUILD_HOST_SHARED_LIBRARY)
   endif
 endef
diff --git a/oat_process/app_main.cpp b/oat_process/app_main.cpp
index 62858dc..978fd31 100644
--- a/oat_process/app_main.cpp
+++ b/oat_process/app_main.cpp
@@ -7,10 +7,8 @@
 
 #define LOG_TAG "appproc"
 
-#include "class_loader.h"
-#include "jni_internal.h"
 #include "stringprintf.h"
-#include "thread.h"
+#include "logging.h"
 
 #include <binder/IPCThreadState.h>
 #include <binder/ProcessState.h>
diff --git a/src/mark_sweep.cc b/src/mark_sweep.cc
index 79597ec..6512aef 100644
--- a/src/mark_sweep.cc
+++ b/src/mark_sweep.cc
@@ -269,7 +269,7 @@
     } else if (klass->IsPhantomReferenceClass()) {
       list = &phantom_reference_list_;
     }
-    DCHECK(list != NULL);
+    DCHECK(list != NULL) << PrettyClass(klass) << " " << std::hex << klass->GetAccessFlags();
     Heap::EnqueuePendingReference(obj, list);
   }
 }
diff --git a/src/object.h b/src/object.h
index 4a7d4bb..c8f4375 100644
--- a/src/object.h
+++ b/src/object.h
@@ -1369,7 +1369,7 @@
   }
 
   bool IsSoftReferenceClass() const {
-    return (GetAccessFlags() & ~kAccReferenceFlagsMask) == kAccClassIsReference;
+    return (GetAccessFlags() & kAccReferenceFlagsMask) == kAccClassIsReference;
   }
 
   bool IsFinalizerReferenceClass() const {
diff --git a/src/runtime.cc b/src/runtime.cc
index 4f74c67..30fb4de 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -217,7 +217,7 @@
 
   for (size_t i = 0; i < options.size(); ++i) {
     const StringPiece& option = options[i].first;
-    if (false) {
+    if (true && options[0].first == "-Xzygote") {
       LOG(INFO) << "option[" << i << "]=" << option;
     }
     if (option.starts_with("-Xbootclasspath:")) {
@@ -275,6 +275,7 @@
       parsed->jni_trace_ = option.substr(strlen("-Xjnitrace:")).data();
     } else if (option == "-Xzygote") {
       parsed->is_zygote_ = true;
+      parsed->images_.push_back("/system/framework/boot.art");
     } else if (option.starts_with("-verbose:")) {
       std::vector<std::string> verbose_options;
       Split(option.substr(strlen("-verbose:")).data(), ',', verbose_options);
diff --git a/src/thread.cc b/src/thread.cc
index 7eec6f3..cb71dcf 100644
--- a/src/thread.cc
+++ b/src/thread.cc
@@ -158,7 +158,6 @@
 
 void Thread::InitAfterFork() {
   InitTid();
-  InitPthread();
   InitPthreadKeySelf();
 }