Object model changes to support 64bit.

Modify mirror objects so that references between them use an ObjectReference
value type rather than an Object* so that functionality to compress larger
references can be captured in the ObjectRefererence implementation.
ObjectReferences are 32bit and all other aspects of object layout remain as
they are currently.

Expand fields in objects holding pointers so they can hold 64bit pointers. Its
expected the size of these will come down by improving where we hold compiler
meta-data.
Stub out x86_64 architecture specific runtime implementation.
Modify OutputStream so that reads and writes are of unsigned quantities.
Make the use of portable or quick code more explicit.
Templatize AtomicInteger to support more than just int32_t as a type.
Add missing, and fix issues relating to, missing annotalysis information on the
mutator lock.
Refactor and share implementations for array copy between System and uses
elsewhere in the runtime.
Fix numerous 64bit build issues.

Change-Id: I1a5694c251a42c9eff71084dfdd4b51fff716822

1 files changed, 14 insertions, 41 deletions

diff --git a/runtime/entrypoints/entrypoint_utils.h b/runtime/entrypoints/entrypoint_utils.h
index f478366..20532f4 100644
--- a/runtime/entrypoints/entrypoint_utils.h
+++ b/runtime/entrypoints/entrypoint_utils.h
@@ -282,7 +282,7 @@ enum FindFieldType {
 };
 
 template<FindFieldType type, bool access_check>
-static inline mirror::ArtField* FindFieldFromCode(uint32_t field_idx, const mirror::ArtMethod* referrer,
+static inline mirror::ArtField* FindFieldFromCode(uint32_t field_idx, mirror::ArtMethod* referrer,
                                                   Thread* self, size_t expected_size) {
   bool is_primitive;
   bool is_set;
@@ -321,8 +321,7 @@ static inline mirror::ArtField* FindFieldFromCode(uint32_t field_idx, const mirr
       return nullptr;  // Failure.
     } else {
       FieldHelper fh(resolved_field);
-      if (UNLIKELY(fh.IsPrimitiveType() != is_primitive ||
-                   fh.FieldSize() != expected_size)) {
+      if (UNLIKELY(fh.IsPrimitiveType() != is_primitive || fh.FieldSize() != expected_size)) {
         ThrowLocation throw_location = self->GetCurrentLocationForThrow();
         DCHECK(throw_location.GetMethod() == referrer);
         self->ThrowNewExceptionF(throw_location, "Ljava/lang/NoSuchFieldError;",
@@ -358,7 +357,7 @@ static inline mirror::ArtField* FindFieldFromCode(uint32_t field_idx, const mirr
 #define EXPLICIT_FIND_FIELD_FROM_CODE_TEMPLATE_DECL(_type, _access_check) \
 template SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) ALWAYS_INLINE \
 mirror::ArtField* FindFieldFromCode<_type, _access_check>(uint32_t field_idx, \
-                                                          const mirror::ArtMethod* referrer, \
+                                                          mirror::ArtMethod* referrer, \
                                                           Thread* self, size_t expected_size) \
 
 #define EXPLICIT_FIND_FIELD_FROM_CODE_TYPED_TEMPLATE_DECL(_type) \
@@ -496,7 +495,7 @@ EXPLICIT_FIND_METHOD_FROM_CODE_TYPED_TEMPLATE_DECL(kInterface);
 
 // Fast path field resolution that can't initialize classes or throw exceptions.
 static inline mirror::ArtField* FindFieldFast(uint32_t field_idx,
-                                              const mirror::ArtMethod* referrer,
+                                              mirror::ArtMethod* referrer,
                                               FindFieldType type, size_t expected_size)
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
   mirror::ArtField* resolved_field =
@@ -552,7 +551,7 @@ static inline mirror::ArtField* FindFieldFast(uint32_t field_idx,
 // Fast path method resolution that can't throw exceptions.
 static inline mirror::ArtMethod* FindMethodFast(uint32_t method_idx,
                                                 mirror::Object* this_object,
-                                                const mirror::ArtMethod* referrer,
+                                                mirror::ArtMethod* referrer,
                                                 bool access_check, InvokeType type)
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
   bool is_direct = type == kStatic || type == kDirect;
@@ -593,7 +592,7 @@ static inline mirror::ArtMethod* FindMethodFast(uint32_t method_idx,
 }
 
 static inline mirror::Class* ResolveVerifyAndClinit(uint32_t type_idx,
-                                                    const mirror::ArtMethod* referrer,
+                                                    mirror::ArtMethod* referrer,
                                                     Thread* self, bool can_run_clinit,
                                                     bool verify_access)
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
@@ -630,7 +629,7 @@ static inline mirror::Class* ResolveVerifyAndClinit(uint32_t type_idx,
 
 extern void ThrowStackOverflowError(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
-static inline mirror::String* ResolveStringFromCode(const mirror::ArtMethod* referrer,
+static inline mirror::String* ResolveStringFromCode(mirror::ArtMethod* referrer,
                                                     uint32_t string_idx)
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
   ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
@@ -719,21 +718,21 @@ static inline const void* GetPortableToInterpreterBridge() {
   return reinterpret_cast<void*>(art_portable_to_interpreter_bridge);
 }
 
+static inline const void* GetPortableToQuickBridge() {
+  // TODO: portable to quick bridge. Bug: 8196384
+  return GetPortableToInterpreterBridge();
+}
+
 extern "C" void art_quick_to_interpreter_bridge(mirror::ArtMethod*);
 static inline const void* GetQuickToInterpreterBridge() {
   return reinterpret_cast<void*>(art_quick_to_interpreter_bridge);
 }
 
-// Return address of interpreter stub.
-static inline const void* GetCompiledCodeToInterpreterBridge() {
-#if defined(ART_USE_PORTABLE_COMPILER)
-  return GetPortableToInterpreterBridge();
-#else
+static inline const void* GetQuickToPortableBridge() {
+  // TODO: quick to portable bridge. Bug: 8196384
   return GetQuickToInterpreterBridge();
-#endif
 }
 
-
 static inline const void* GetPortableResolutionTrampoline(ClassLinker* class_linker) {
   return class_linker->GetPortableResolutionTrampoline();
 }
@@ -742,15 +741,6 @@ static inline const void* GetQuickResolutionTrampoline(ClassLinker* class_linker
   return class_linker->GetQuickResolutionTrampoline();
 }
 
-// Return address of resolution trampoline stub for defined compiler.
-static inline const void* GetResolutionTrampoline(ClassLinker* class_linker) {
-#if defined(ART_USE_PORTABLE_COMPILER)
-  return GetPortableResolutionTrampoline(class_linker);
-#else
-  return GetQuickResolutionTrampoline(class_linker);
-#endif
-}
-
 static inline const void* GetPortableImtConflictTrampoline(ClassLinker* class_linker) {
   return class_linker->GetPortableImtConflictTrampoline();
 }
@@ -759,15 +749,6 @@ static inline const void* GetQuickImtConflictTrampoline(ClassLinker* class_linke
   return class_linker->GetQuickImtConflictTrampoline();
 }
 
-// Return address of imt conflict trampoline stub for defined compiler.
-static inline const void* GetImtConflictTrampoline(ClassLinker* class_linker) {
-#if defined(ART_USE_PORTABLE_COMPILER)
-  return GetPortableImtConflictTrampoline(class_linker);
-#else
-  return GetQuickImtConflictTrampoline(class_linker);
-#endif
-}
-
 extern "C" void art_portable_proxy_invoke_handler();
 static inline const void* GetPortableProxyInvokeHandler() {
   return reinterpret_cast<void*>(art_portable_proxy_invoke_handler);
@@ -778,14 +759,6 @@ static inline const void* GetQuickProxyInvokeHandler() {
   return reinterpret_cast<void*>(art_quick_proxy_invoke_handler);
 }
 
-static inline const void* GetProxyInvokeHandler() {
-#if defined(ART_USE_PORTABLE_COMPILER)
-  return GetPortableProxyInvokeHandler();
-#else
-  return GetQuickProxyInvokeHandler();
-#endif
-}
-
 extern "C" void* art_jni_dlsym_lookup_stub(JNIEnv*, jobject);
 static inline void* GetJniDlsymLookupStub() {
   return reinterpret_cast<void*>(art_jni_dlsym_lookup_stub);