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-rw-r--r--runtime/Android.bp1
-rw-r--r--runtime/class_linker.cc302
-rw-r--r--runtime/class_linker.h9
-rw-r--r--runtime/class_loader_utils.h116
-rw-r--r--runtime/common_runtime_test.cc58
-rw-r--r--runtime/debug_print.cc113
-rw-r--r--runtime/debug_print.h34
-rw-r--r--runtime/entrypoints/quick/quick_trampoline_entrypoints.cc22
-rw-r--r--runtime/hidden_api.cc116
-rw-r--r--runtime/hidden_api.h54
-rw-r--r--runtime/hidden_api_test.cc34
-rw-r--r--runtime/interpreter/unstarted_runtime.cc6
-rw-r--r--runtime/jni_internal.cc7
-rw-r--r--runtime/native/java_lang_Class.cc35
-rw-r--r--runtime/runtime.h3
-rw-r--r--runtime/verifier/method_verifier.cc12
-rw-r--r--runtime/well_known_classes.cc6
-rw-r--r--runtime/well_known_classes.h3
18 files changed, 591 insertions, 340 deletions
diff --git a/runtime/Android.bp b/runtime/Android.bp
index c0f1c366b8..08025824c3 100644
--- a/runtime/Android.bp
+++ b/runtime/Android.bp
@@ -46,6 +46,7 @@ cc_defaults {
"class_table.cc",
"common_throws.cc",
"compiler_filter.cc",
+ "debug_print.cc",
"debugger.cc",
"dex/art_dex_file_loader.cc",
"dex/dex_file_annotations.cc",
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index 879301c4a0..d98e0b2c54 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -53,6 +53,7 @@
#include "class_loader_utils.h"
#include "class_table-inl.h"
#include "compiler_callbacks.h"
+#include "debug_print.h"
#include "debugger.h"
#include "dex/descriptors_names.h"
#include "dex/dex_file-inl.h"
@@ -1124,12 +1125,8 @@ static bool FlattenPathClassLoader(ObjPtr<mirror::ClassLoader> class_loader,
DCHECK(out_dex_file_names != nullptr);
DCHECK(error_msg != nullptr);
ScopedObjectAccessUnchecked soa(Thread::Current());
- ArtField* const dex_path_list_field =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_BaseDexClassLoader_pathList);
- ArtField* const dex_elements_field =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList_dexElements);
- CHECK(dex_path_list_field != nullptr);
- CHECK(dex_elements_field != nullptr);
+ StackHandleScope<1> hs(soa.Self());
+ Handle<mirror::ClassLoader> handle(hs.NewHandle(class_loader));
while (!ClassLinker::IsBootClassLoader(soa, class_loader)) {
if (soa.Decode<mirror::Class>(WellKnownClasses::dalvik_system_PathClassLoader) !=
class_loader->GetClass()) {
@@ -1138,32 +1135,29 @@ static bool FlattenPathClassLoader(ObjPtr<mirror::ClassLoader> class_loader,
// Unsupported class loader.
return false;
}
- ObjPtr<mirror::Object> dex_path_list = dex_path_list_field->GetObject(class_loader);
- if (dex_path_list != nullptr) {
- // DexPathList has an array dexElements of Elements[] which each contain a dex file.
- ObjPtr<mirror::Object> dex_elements_obj = dex_elements_field->GetObject(dex_path_list);
- // Loop through each dalvik.system.DexPathList$Element's dalvik.system.DexFile and look
- // at the mCookie which is a DexFile vector.
- if (dex_elements_obj != nullptr) {
- ObjPtr<mirror::ObjectArray<mirror::Object>> dex_elements =
- dex_elements_obj->AsObjectArray<mirror::Object>();
- // Reverse order since we insert the parent at the front.
- for (int32_t i = dex_elements->GetLength() - 1; i >= 0; --i) {
- ObjPtr<mirror::Object> element = dex_elements->GetWithoutChecks(i);
- if (element == nullptr) {
- *error_msg = StringPrintf("Null dex element at index %d", i);
- return false;
- }
- ObjPtr<mirror::String> name;
- if (!GetDexPathListElementName(element, &name)) {
- *error_msg = StringPrintf("Invalid dex path list element at index %d", i);
- return false;
- }
- if (name != nullptr) {
- out_dex_file_names->push_front(name.Ptr());
- }
- }
+ // Get element names. Sets error to true on failure.
+ auto add_element_names = [&](ObjPtr<mirror::Object> element, bool* error)
+ REQUIRES_SHARED(Locks::mutator_lock_) {
+ if (element == nullptr) {
+ *error_msg = "Null dex element";
+ *error = true; // Null element is a critical error.
+ return false; // Had an error, stop the visit.
}
+ ObjPtr<mirror::String> name;
+ if (!GetDexPathListElementName(element, &name)) {
+ *error_msg = "Invalid dex path list element";
+ *error = false; // Invalid element is not a critical error.
+ return false; // Stop the visit.
+ }
+ if (name != nullptr) {
+ out_dex_file_names->push_front(name.Ptr());
+ }
+ return true; // Continue with the next Element.
+ };
+ bool error = VisitClassLoaderDexElements(soa, handle, add_element_names, /* error */ false);
+ if (error) {
+ // An error occurred during DexPathList Element visiting.
+ return false;
}
class_loader = class_loader->GetParent();
}
@@ -2473,71 +2467,33 @@ ObjPtr<mirror::Class> ClassLinker::FindClassInBaseDexClassLoaderClassPath(
const char* descriptor,
size_t hash,
Handle<mirror::ClassLoader> class_loader) {
- CHECK(IsPathOrDexClassLoader(soa, class_loader) || IsDelegateLastClassLoader(soa, class_loader))
+ DCHECK(IsPathOrDexClassLoader(soa, class_loader) || IsDelegateLastClassLoader(soa, class_loader))
<< "Unexpected class loader for descriptor " << descriptor;
- Thread* self = soa.Self();
- ArtField* const cookie_field =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexFile_cookie);
- ArtField* const dex_file_field =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList__Element_dexFile);
- ObjPtr<mirror::Object> dex_path_list =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_BaseDexClassLoader_pathList)->
- GetObject(class_loader.Get());
- if (dex_path_list != nullptr && dex_file_field != nullptr && cookie_field != nullptr) {
- // DexPathList has an array dexElements of Elements[] which each contain a dex file.
- ObjPtr<mirror::Object> dex_elements_obj =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList_dexElements)->
- GetObject(dex_path_list);
- // Loop through each dalvik.system.DexPathList$Element's dalvik.system.DexFile and look
- // at the mCookie which is a DexFile vector.
- if (dex_elements_obj != nullptr) {
- StackHandleScope<1> hs(self);
- Handle<mirror::ObjectArray<mirror::Object>> dex_elements =
- hs.NewHandle(dex_elements_obj->AsObjectArray<mirror::Object>());
- for (int32_t i = 0; i < dex_elements->GetLength(); ++i) {
- ObjPtr<mirror::Object> element = dex_elements->GetWithoutChecks(i);
- if (element == nullptr) {
- // Should never happen, fall back to java code to throw a NPE.
- break;
- }
- ObjPtr<mirror::Object> dex_file = dex_file_field->GetObject(element);
- if (dex_file != nullptr) {
- ObjPtr<mirror::LongArray> long_array = cookie_field->GetObject(dex_file)->AsLongArray();
- if (long_array == nullptr) {
- // This should never happen so log a warning.
- LOG(WARNING) << "Null DexFile::mCookie for " << descriptor;
- break;
- }
- int32_t long_array_size = long_array->GetLength();
- // First element is the oat file.
- for (int32_t j = kDexFileIndexStart; j < long_array_size; ++j) {
- const DexFile* cp_dex_file = reinterpret_cast<const DexFile*>(static_cast<uintptr_t>(
- long_array->GetWithoutChecks(j)));
- const DexFile::ClassDef* dex_class_def =
- OatDexFile::FindClassDef(*cp_dex_file, descriptor, hash);
- if (dex_class_def != nullptr) {
- ObjPtr<mirror::Class> klass = DefineClass(self,
- descriptor,
- hash,
- class_loader,
- *cp_dex_file,
- *dex_class_def);
- if (klass == nullptr) {
- CHECK(self->IsExceptionPending()) << descriptor;
- self->ClearException();
- // TODO: Is it really right to break here, and not check the other dex files?
- return nullptr;
- }
- return klass;
- }
- }
- }
- }
- }
- self->AssertNoPendingException();
- }
- return nullptr;
+ ObjPtr<mirror::Class> ret;
+ auto define_class = [&](const DexFile* cp_dex_file) REQUIRES_SHARED(Locks::mutator_lock_) {
+ const DexFile::ClassDef* dex_class_def =
+ OatDexFile::FindClassDef(*cp_dex_file, descriptor, hash);
+ if (dex_class_def != nullptr) {
+ ObjPtr<mirror::Class> klass = DefineClass(soa.Self(),
+ descriptor,
+ hash,
+ class_loader,
+ *cp_dex_file,
+ *dex_class_def);
+ if (klass == nullptr) {
+ CHECK(soa.Self()->IsExceptionPending()) << descriptor;
+ soa.Self()->ClearException();
+ // TODO: Is it really right to break here, and not check the other dex files?
+ }
+ ret = klass;
+ return false; // Found a Class (or error == nullptr), stop visit.
+ }
+ return true; // Continue with the next DexFile.
+ };
+
+ VisitClassLoaderDexFiles(soa, class_loader, define_class);
+ return ret;
}
mirror::Class* ClassLinker::FindClass(Thread* self,
@@ -7878,106 +7834,6 @@ ObjPtr<mirror::Class> ClassLinker::DoResolveType(dex::TypeIndex type_idx,
return resolved;
}
-std::string DescribeSpace(ObjPtr<mirror::Class> klass) REQUIRES_SHARED(Locks::mutator_lock_) {
- std::ostringstream oss;
- gc::Heap* heap = Runtime::Current()->GetHeap();
- gc::space::ContinuousSpace* cs = heap->FindContinuousSpaceFromAddress(klass.Ptr());
- if (cs != nullptr) {
- if (cs->IsImageSpace()) {
- oss << "image;" << cs->GetName() << ";" << cs->AsImageSpace()->GetImageFilename();
- } else {
- oss << "continuous;" << cs->GetName();
- }
- } else {
- gc::space::DiscontinuousSpace* ds =
- heap->FindDiscontinuousSpaceFromObject(klass, /* fail_ok */ true);
- if (ds != nullptr) {
- oss << "discontinuous;" << ds->GetName();
- } else {
- oss << "invalid";
- }
- }
- return oss.str();
-}
-
-std::string DescribeLoaders(ObjPtr<mirror::ClassLoader> loader, const char* class_descriptor)
- REQUIRES_SHARED(Locks::mutator_lock_) {
- std::ostringstream oss;
- uint32_t hash = ComputeModifiedUtf8Hash(class_descriptor);
- ObjPtr<mirror::Class> path_class_loader =
- WellKnownClasses::ToClass(WellKnownClasses::dalvik_system_PathClassLoader);
- ObjPtr<mirror::Class> dex_class_loader =
- WellKnownClasses::ToClass(WellKnownClasses::dalvik_system_DexClassLoader);
- ObjPtr<mirror::Class> delegate_last_class_loader =
- WellKnownClasses::ToClass(WellKnownClasses::dalvik_system_DelegateLastClassLoader);
-
- // Print the class loader chain.
- bool found_class = false;
- const char* loader_separator = "";
- if (loader == nullptr) {
- oss << "BootClassLoader"; // This would be unexpected.
- }
- for (; loader != nullptr; loader = loader->GetParent()) {
- oss << loader_separator << loader->GetClass()->PrettyDescriptor();
- loader_separator = ";";
- // If we didn't find the interface yet, try to find it in the current class loader.
- if (!found_class) {
- ClassTable* table = Runtime::Current()->GetClassLinker()->ClassTableForClassLoader(loader);
- ObjPtr<mirror::Class> klass =
- (table != nullptr) ? table->Lookup(class_descriptor, hash) : nullptr;
- if (klass != nullptr) {
- found_class = true;
- oss << "[hit:" << DescribeSpace(klass) << "]";
- }
- }
-
- // For PathClassLoader, DexClassLoader or DelegateLastClassLoader
- // also dump the dex file locations.
- if (loader->GetClass() == path_class_loader ||
- loader->GetClass() == dex_class_loader ||
- loader->GetClass() == delegate_last_class_loader) {
- ArtField* const cookie_field =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexFile_cookie);
- ArtField* const dex_file_field =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList__Element_dexFile);
- ObjPtr<mirror::Object> dex_path_list =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_BaseDexClassLoader_pathList)->
- GetObject(loader);
- if (dex_path_list != nullptr && dex_file_field != nullptr && cookie_field != nullptr) {
- ObjPtr<mirror::Object> dex_elements_obj =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList_dexElements)->
- GetObject(dex_path_list);
- if (dex_elements_obj != nullptr) {
- ObjPtr<mirror::ObjectArray<mirror::Object>> dex_elements =
- dex_elements_obj->AsObjectArray<mirror::Object>();
- oss << "(";
- const char* path_separator = "";
- for (int32_t i = 0; i != dex_elements->GetLength(); ++i) {
- ObjPtr<mirror::Object> element = dex_elements->GetWithoutChecks(i);
- ObjPtr<mirror::Object> dex_file =
- (element != nullptr) ? dex_file_field->GetObject(element) : nullptr;
- ObjPtr<mirror::LongArray> long_array =
- (dex_file != nullptr) ? cookie_field->GetObject(dex_file)->AsLongArray() : nullptr;
- if (long_array != nullptr) {
- int32_t long_array_size = long_array->GetLength();
- // First element is the oat file.
- for (int32_t j = kDexFileIndexStart; j < long_array_size; ++j) {
- const DexFile* cp_dex_file = reinterpret_cast<const DexFile*>(
- static_cast<uintptr_t>(long_array->GetWithoutChecks(j)));
- oss << path_separator << cp_dex_file->GetLocation();
- path_separator = ":";
- }
- }
- }
- oss << ")";
- }
- }
- }
- }
-
- return oss.str();
-}
-
ArtMethod* ClassLinker::FindResolvedMethod(ObjPtr<mirror::Class> klass,
ObjPtr<mirror::DexCache> dex_cache,
ObjPtr<mirror::ClassLoader> class_loader,
@@ -7993,8 +7849,8 @@ ArtMethod* ClassLinker::FindResolvedMethod(ObjPtr<mirror::Class> klass,
}
DCHECK(resolved == nullptr || resolved->GetDeclaringClassUnchecked() != nullptr);
if (resolved != nullptr &&
- hiddenapi::ShouldBlockAccessToMember(
- resolved, class_loader, dex_cache, hiddenapi::kLinking)) {
+ hiddenapi::GetMemberAction(
+ resolved, class_loader, dex_cache, hiddenapi::kLinking) == hiddenapi::kDeny) {
resolved = nullptr;
}
if (resolved != nullptr) {
@@ -8017,6 +7873,40 @@ ArtMethod* ClassLinker::FindResolvedMethod(ObjPtr<mirror::Class> klass,
return resolved;
}
+// Returns true if `method` is either null or hidden.
+// Does not print any warnings if it is hidden.
+static bool CheckNoSuchMethod(ArtMethod* method,
+ ObjPtr<mirror::DexCache> dex_cache,
+ ObjPtr<mirror::ClassLoader> class_loader)
+ REQUIRES_SHARED(Locks::mutator_lock_) {
+ return method == nullptr ||
+ hiddenapi::GetMemberAction(method,
+ class_loader,
+ dex_cache,
+ hiddenapi::kNone) // do not print warnings
+ == hiddenapi::kDeny;
+}
+
+ArtMethod* ClassLinker::FindIncompatibleMethod(ObjPtr<mirror::Class> klass,
+ ObjPtr<mirror::DexCache> dex_cache,
+ ObjPtr<mirror::ClassLoader> class_loader,
+ uint32_t method_idx) {
+ if (klass->IsInterface()) {
+ ArtMethod* method = klass->FindClassMethod(dex_cache, method_idx, image_pointer_size_);
+ return CheckNoSuchMethod(method, dex_cache, class_loader) ? nullptr : method;
+ } else {
+ // If there was an interface method with the same signature, we would have
+ // found it in the "copied" methods. Only DCHECK that the interface method
+ // really does not exist.
+ if (kIsDebugBuild) {
+ ArtMethod* method =
+ klass->FindInterfaceMethod(dex_cache, method_idx, image_pointer_size_);
+ DCHECK(CheckNoSuchMethod(method, dex_cache, class_loader));
+ }
+ return nullptr;
+ }
+}
+
template <ClassLinker::ResolveMode kResolveMode>
ArtMethod* ClassLinker::ResolveMethod(uint32_t method_idx,
Handle<mirror::DexCache> dex_cache,
@@ -8092,13 +7982,7 @@ ArtMethod* ClassLinker::ResolveMethod(uint32_t method_idx,
// If we had a method, or if we can find one with another lookup type,
// it's an incompatible-class-change error.
if (resolved == nullptr) {
- if (klass->IsInterface()) {
- resolved = klass->FindClassMethod(dex_cache.Get(), method_idx, pointer_size);
- } else {
- // If there was an interface method with the same signature,
- // we would have found it also in the "copied" methods.
- DCHECK(klass->FindInterfaceMethod(dex_cache.Get(), method_idx, pointer_size) == nullptr);
- }
+ resolved = FindIncompatibleMethod(klass, dex_cache.Get(), class_loader.Get(), method_idx);
}
if (resolved != nullptr) {
ThrowIncompatibleClassChangeError(type, resolved->GetInvokeType(), resolved, referrer);
@@ -8136,8 +8020,8 @@ ArtMethod* ClassLinker::ResolveMethodWithoutInvokeType(uint32_t method_idx,
resolved = klass->FindClassMethod(dex_cache.Get(), method_idx, image_pointer_size_);
}
if (resolved != nullptr &&
- hiddenapi::ShouldBlockAccessToMember(
- resolved, class_loader.Get(), dex_cache.Get(), hiddenapi::kLinking)) {
+ hiddenapi::GetMemberAction(
+ resolved, class_loader.Get(), dex_cache.Get(), hiddenapi::kLinking) == hiddenapi::kDeny) {
resolved = nullptr;
}
return resolved;
@@ -8216,8 +8100,8 @@ ArtField* ClassLinker::ResolveField(uint32_t field_idx,
}
if (resolved == nullptr ||
- hiddenapi::ShouldBlockAccessToMember(
- resolved, class_loader.Get(), dex_cache.Get(), hiddenapi::kLinking)) {
+ hiddenapi::GetMemberAction(
+ resolved, class_loader.Get(), dex_cache.Get(), hiddenapi::kLinking) == hiddenapi::kDeny) {
const char* name = dex_file.GetFieldName(field_id);
const char* type = dex_file.GetFieldTypeDescriptor(field_id);
ThrowNoSuchFieldError(is_static ? "static " : "instance ", klass, type, name);
@@ -8250,8 +8134,8 @@ ArtField* ClassLinker::ResolveFieldJLS(uint32_t field_idx,
StringPiece type(dex_file.GetFieldTypeDescriptor(field_id));
resolved = mirror::Class::FindField(self, klass, name, type);
if (resolved != nullptr &&
- hiddenapi::ShouldBlockAccessToMember(
- resolved, class_loader.Get(), dex_cache.Get(), hiddenapi::kLinking)) {
+ hiddenapi::GetMemberAction(
+ resolved, class_loader.Get(), dex_cache.Get(), hiddenapi::kLinking) == hiddenapi::kDeny) {
resolved = nullptr;
}
if (resolved != nullptr) {
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index 2471f146aa..c46e8271e5 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -321,6 +321,15 @@ class ClassLinker {
uint32_t method_idx)
REQUIRES_SHARED(Locks::mutator_lock_);
+ // Find a method using the wrong lookup mechanism. If `klass` is an interface,
+ // search for a class method. If it is a class, search for an interface method.
+ // This is useful when throwing IncompatibleClassChangeError.
+ ArtMethod* FindIncompatibleMethod(ObjPtr<mirror::Class> klass,
+ ObjPtr<mirror::DexCache> dex_cache,
+ ObjPtr<mirror::ClassLoader> class_loader,
+ uint32_t method_idx)
+ REQUIRES_SHARED(Locks::mutator_lock_);
+
// Resolve a method with a given ID from the DexFile associated with the given DexCache
// and ClassLoader, storing the result in DexCache. The ClassLinker and ClassLoader are
// used as in ResolveType. What is unique is the method type argument which is used to
diff --git a/runtime/class_loader_utils.h b/runtime/class_loader_utils.h
index d160a511de..1439f11636 100644
--- a/runtime/class_loader_utils.h
+++ b/runtime/class_loader_utils.h
@@ -17,8 +17,12 @@
#ifndef ART_RUNTIME_CLASS_LOADER_UTILS_H_
#define ART_RUNTIME_CLASS_LOADER_UTILS_H_
+#include "art_field-inl.h"
+#include "base/mutex.h"
#include "handle_scope.h"
+#include "jni_internal.h"
#include "mirror/class_loader.h"
+#include "native/dalvik_system_DexFile.h"
#include "scoped_thread_state_change-inl.h"
#include "well_known_classes.h"
@@ -26,7 +30,7 @@ namespace art {
// Returns true if the given class loader is either a PathClassLoader or a DexClassLoader.
// (they both have the same behaviour with respect to class lockup order)
-static bool IsPathOrDexClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
+inline bool IsPathOrDexClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
Handle<mirror::ClassLoader> class_loader)
REQUIRES_SHARED(Locks::mutator_lock_) {
mirror::Class* class_loader_class = class_loader->GetClass();
@@ -37,7 +41,7 @@ static bool IsPathOrDexClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
soa.Decode<mirror::Class>(WellKnownClasses::dalvik_system_DexClassLoader));
}
-static bool IsDelegateLastClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
+inline bool IsDelegateLastClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
Handle<mirror::ClassLoader> class_loader)
REQUIRES_SHARED(Locks::mutator_lock_) {
mirror::Class* class_loader_class = class_loader->GetClass();
@@ -45,6 +49,114 @@ static bool IsDelegateLastClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
soa.Decode<mirror::Class>(WellKnownClasses::dalvik_system_DelegateLastClassLoader);
}
+// Visit the DexPathList$Element instances in the given classloader with the given visitor.
+// Constraints on the visitor:
+// * The visitor should return true to continue visiting more Elements.
+// * The last argument of the visitor is an out argument of RetType. It will be returned
+// when the visitor ends the visit (by returning false).
+// This function assumes that the given classloader is a subclass of BaseDexClassLoader!
+template <typename Visitor, typename RetType>
+inline RetType VisitClassLoaderDexElements(ScopedObjectAccessAlreadyRunnable& soa,
+ Handle<mirror::ClassLoader> class_loader,
+ Visitor fn,
+ RetType defaultReturn)
+ REQUIRES_SHARED(Locks::mutator_lock_) {
+ Thread* self = soa.Self();
+ ObjPtr<mirror::Object> dex_path_list =
+ jni::DecodeArtField(WellKnownClasses::dalvik_system_BaseDexClassLoader_pathList)->
+ GetObject(class_loader.Get());
+ if (dex_path_list != nullptr) {
+ // DexPathList has an array dexElements of Elements[] which each contain a dex file.
+ ObjPtr<mirror::Object> dex_elements_obj =
+ jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList_dexElements)->
+ GetObject(dex_path_list);
+ // Loop through each dalvik.system.DexPathList$Element's dalvik.system.DexFile and look
+ // at the mCookie which is a DexFile vector.
+ if (dex_elements_obj != nullptr) {
+ StackHandleScope<1> hs(self);
+ Handle<mirror::ObjectArray<mirror::Object>> dex_elements =
+ hs.NewHandle(dex_elements_obj->AsObjectArray<mirror::Object>());
+ for (int32_t i = 0; i < dex_elements->GetLength(); ++i) {
+ ObjPtr<mirror::Object> element = dex_elements->GetWithoutChecks(i);
+ if (element == nullptr) {
+ // Should never happen, fail.
+ break;
+ }
+ RetType ret_value;
+ if (!fn(element, &ret_value)) {
+ return ret_value;
+ }
+ }
+ }
+ self->AssertNoPendingException();
+ }
+ return defaultReturn;
+}
+
+// Visit the DexFiles in the given classloader with the given visitor.
+// Constraints on the visitor:
+// * The visitor should return true to continue visiting more DexFiles.
+// * The last argument of the visitor is an out argument of RetType. It will be returned
+// when the visitor ends the visit (by returning false).
+// This function assumes that the given classloader is a subclass of BaseDexClassLoader!
+template <typename Visitor, typename RetType>
+inline RetType VisitClassLoaderDexFiles(ScopedObjectAccessAlreadyRunnable& soa,
+ Handle<mirror::ClassLoader> class_loader,
+ Visitor fn,
+ RetType defaultReturn)
+ REQUIRES_SHARED(Locks::mutator_lock_) {
+ ArtField* const cookie_field =
+ jni::DecodeArtField(WellKnownClasses::dalvik_system_DexFile_cookie);
+ ArtField* const dex_file_field =
+ jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList__Element_dexFile);
+ if (dex_file_field == nullptr || cookie_field == nullptr) {
+ return defaultReturn;
+ }
+ auto visit_dex_files = [&](ObjPtr<mirror::Object> element, RetType* ret)
+ REQUIRES_SHARED(Locks::mutator_lock_) {
+ ObjPtr<mirror::Object> dex_file = dex_file_field->GetObject(element);
+ if (dex_file != nullptr) {
+ ObjPtr<mirror::LongArray> long_array = cookie_field->GetObject(dex_file)->AsLongArray();
+ if (long_array == nullptr) {
+ // This should never happen so log a warning.
+ LOG(WARNING) << "Null DexFile::mCookie";
+ *ret = defaultReturn;
+ return true;
+ }
+ int32_t long_array_size = long_array->GetLength();
+ // First element is the oat file.
+ for (int32_t j = kDexFileIndexStart; j < long_array_size; ++j) {
+ const DexFile* cp_dex_file = reinterpret_cast<const DexFile*>(static_cast<uintptr_t>(
+ long_array->GetWithoutChecks(j)));
+ RetType ret_value;
+ if (!fn(cp_dex_file, /* out */ &ret_value)) {
+ *ret = ret_value;
+ return false;
+ }
+ }
+ }
+ return true;
+ };
+
+ return VisitClassLoaderDexElements(soa, class_loader, visit_dex_files, defaultReturn);
+}
+
+// Simplified version of the above, w/o out argument.
+template <typename Visitor>
+inline void VisitClassLoaderDexFiles(ScopedObjectAccessAlreadyRunnable& soa,
+ Handle<mirror::ClassLoader> class_loader,
+ Visitor fn)
+ REQUIRES_SHARED(Locks::mutator_lock_) {
+ auto helper = [&fn](const art::DexFile* dex_file, void** ATTRIBUTE_UNUSED)
+ REQUIRES_SHARED(Locks::mutator_lock_) {
+ return fn(dex_file);
+ };
+ VisitClassLoaderDexFiles<decltype(helper), void*>(soa,
+ class_loader,
+ helper,
+ /* default */ nullptr);
+}
+
} // namespace art
#endif // ART_RUNTIME_CLASS_LOADER_UTILS_H_
diff --git a/runtime/common_runtime_test.cc b/runtime/common_runtime_test.cc
index add300bdf3..05159e253d 100644
--- a/runtime/common_runtime_test.cc
+++ b/runtime/common_runtime_test.cc
@@ -36,6 +36,7 @@
#include "base/stl_util.h"
#include "base/unix_file/fd_file.h"
#include "class_linker.h"
+#include "class_loader_utils.h"
#include "compiler_callbacks.h"
#include "dex/art_dex_file_loader.h"
#include "dex/dex_file-inl.h"
@@ -543,58 +544,23 @@ std::vector<const DexFile*> CommonRuntimeTestImpl::GetDexFiles(jobject jclass_lo
std::vector<const DexFile*> CommonRuntimeTestImpl::GetDexFiles(
ScopedObjectAccess& soa,
Handle<mirror::ClassLoader> class_loader) {
- std::vector<const DexFile*> ret;
-
DCHECK(
(class_loader->GetClass() ==
soa.Decode<mirror::Class>(WellKnownClasses::dalvik_system_PathClassLoader)) ||
(class_loader->GetClass() ==
soa.Decode<mirror::Class>(WellKnownClasses::dalvik_system_DelegateLastClassLoader)));
- // The class loader is a PathClassLoader which inherits from BaseDexClassLoader.
- // We need to get the DexPathList and loop through it.
- ArtField* cookie_field = jni::DecodeArtField(WellKnownClasses::dalvik_system_DexFile_cookie);
- ArtField* dex_file_field =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList__Element_dexFile);
- ObjPtr<mirror::Object> dex_path_list =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_BaseDexClassLoader_pathList)->
- GetObject(class_loader.Get());
- if (dex_path_list != nullptr && dex_file_field!= nullptr && cookie_field != nullptr) {
- // DexPathList has an array dexElements of Elements[] which each contain a dex file.
- ObjPtr<mirror::Object> dex_elements_obj =
- jni::DecodeArtField(WellKnownClasses::dalvik_system_DexPathList_dexElements)->
- GetObject(dex_path_list);
- // Loop through each dalvik.system.DexPathList$Element's dalvik.system.DexFile and look
- // at the mCookie which is a DexFile vector.
- if (dex_elements_obj != nullptr) {
- StackHandleScope<1> hs(soa.Self());
- Handle<mirror::ObjectArray<mirror::Object>> dex_elements =
- hs.NewHandle(dex_elements_obj->AsObjectArray<mirror::Object>());
- for (int32_t i = 0; i < dex_elements->GetLength(); ++i) {
- ObjPtr<mirror::Object> element = dex_elements->GetWithoutChecks(i);
- if (element == nullptr) {
- // Should never happen, fall back to java code to throw a NPE.
- break;
- }
- ObjPtr<mirror::Object> dex_file = dex_file_field->GetObject(element);
- if (dex_file != nullptr) {
- ObjPtr<mirror::LongArray> long_array = cookie_field->GetObject(dex_file)->AsLongArray();
- DCHECK(long_array != nullptr);
- int32_t long_array_size = long_array->GetLength();
- for (int32_t j = kDexFileIndexStart; j < long_array_size; ++j) {
- const DexFile* cp_dex_file = reinterpret_cast<const DexFile*>(static_cast<uintptr_t>(
- long_array->GetWithoutChecks(j)));
- if (cp_dex_file == nullptr) {
- LOG(WARNING) << "Null DexFile";
- continue;
- }
- ret.push_back(cp_dex_file);
- }
- }
- }
- }
- }
-
+ std::vector<const DexFile*> ret;
+ VisitClassLoaderDexFiles(soa,
+ class_loader,
+ [&](const DexFile* cp_dex_file) {
+ if (cp_dex_file == nullptr) {
+ LOG(WARNING) << "Null DexFile";
+ } else {
+ ret.push_back(cp_dex_file);
+ }
+ return true;
+ });
return ret;
}
diff --git a/runtime/debug_print.cc b/runtime/debug_print.cc
new file mode 100644
index 0000000000..44a183669d
--- /dev/null
+++ b/runtime/debug_print.cc
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sstream>
+
+#include "debug_print.h"
+
+#include "class_linker.h"
+#include "class_table.h"
+#include "class_loader_utils.h"
+#include "dex/utf.h"
+#include "gc/heap.h"
+#include "gc/space/space-inl.h"
+#include "mirror/class.h"
+#include "mirror/class_loader.h"
+#include "runtime.h"
+#include "scoped_thread_state_change-inl.h"
+#include "thread-current-inl.h"
+#include "well_known_classes.h"
+
+namespace art {
+
+std::string DescribeSpace(ObjPtr<mirror::Class> klass) {
+ std::ostringstream oss;
+ gc::Heap* heap = Runtime::Current()->GetHeap();
+ gc::space::ContinuousSpace* cs =
+ heap->FindContinuousSpaceFromObject(klass.Ptr(), /* fail_ok */ true);
+ if (cs != nullptr) {
+ if (cs->IsImageSpace()) {
+ oss << "image;" << cs->GetName() << ";" << cs->AsImageSpace()->GetImageFilename();
+ } else {
+ oss << "continuous;" << cs->GetName();
+ }
+ } else {
+ gc::space::DiscontinuousSpace* ds =
+ heap->FindDiscontinuousSpaceFromObject(klass, /* fail_ok */ true);
+ if (ds != nullptr) {
+ oss << "discontinuous;" << ds->GetName();
+ } else {
+ oss << "invalid";
+ }
+ }
+ return oss.str();
+}
+
+std::string DescribeLoaders(ObjPtr<mirror::ClassLoader> loader, const char* class_descriptor) {
+ std::ostringstream oss;
+ uint32_t hash = ComputeModifiedUtf8Hash(class_descriptor);
+ ObjPtr<mirror::Class> path_class_loader =
+ WellKnownClasses::ToClass(WellKnownClasses::dalvik_system_PathClassLoader);
+ ObjPtr<mirror::Class> dex_class_loader =
+ WellKnownClasses::ToClass(WellKnownClasses::dalvik_system_DexClassLoader);
+ ObjPtr<mirror::Class> delegate_last_class_loader =
+ WellKnownClasses::ToClass(WellKnownClasses::dalvik_system_DelegateLastClassLoader);
+
+ // Print the class loader chain.
+ bool found_class = false;
+ const char* loader_separator = "";
+ if (loader == nullptr) {
+ oss << "BootClassLoader"; // This would be unexpected.
+ }
+ for (; loader != nullptr; loader = loader->GetParent()) {
+ oss << loader_separator << loader->GetClass()->PrettyDescriptor();
+ loader_separator = ";";
+ // If we didn't find the class yet, try to find it in the current class loader.
+ if (!found_class) {
+ ClassTable* table = Runtime::Current()->GetClassLinker()->ClassTableForClassLoader(loader);
+ ObjPtr<mirror::Class> klass =
+ (table != nullptr) ? table->Lookup(class_descriptor, hash) : nullptr;
+ if (klass != nullptr) {
+ found_class = true;
+ oss << "[hit:" << DescribeSpace(klass) << "]";
+ }
+ }
+
+ // For PathClassLoader, DexClassLoader or DelegateLastClassLoader
+ // also dump the dex file locations.
+ if (loader->GetClass() == path_class_loader ||
+ loader->GetClass() == dex_class_loader ||
+ loader->GetClass() == delegate_last_class_loader) {
+ oss << "(";
+ ScopedObjectAccessUnchecked soa(Thread::Current());
+ StackHandleScope<1> hs(soa.Self());
+ Handle<mirror::ClassLoader> handle(hs.NewHandle(loader));
+ const char* path_separator = "";
+ VisitClassLoaderDexFiles(soa,
+ handle,
+ [&](const DexFile* dex_file) {
+ oss << path_separator << dex_file->GetLocation();
+ path_separator = ":";
+ return true; // Continue with the next DexFile.
+ });
+ oss << ")";
+ }
+ }
+
+ return oss.str();
+}
+
+} // namespace art
diff --git a/runtime/debug_print.h b/runtime/debug_print.h
new file mode 100644
index 0000000000..479c36a02f
--- /dev/null
+++ b/runtime/debug_print.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_DEBUG_PRINT_H_
+#define ART_RUNTIME_DEBUG_PRINT_H_
+
+#include "base/mutex.h"
+#include "mirror/object.h"
+
+// Helper functions for printing extra information for certain hard to diagnose bugs.
+
+namespace art {
+
+std::string DescribeSpace(ObjPtr<mirror::Class> klass)
+ REQUIRES_SHARED(Locks::mutator_lock_) COLD_ATTR;
+std::string DescribeLoaders(ObjPtr<mirror::ClassLoader> loader, const char* class_descriptor)
+ REQUIRES_SHARED(Locks::mutator_lock_) COLD_ATTR;
+
+} // namespace art
+
+#endif // ART_RUNTIME_DEBUG_PRINT_H_
diff --git a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
index 2eb3ab923c..66cec7113e 100644
--- a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
@@ -19,6 +19,7 @@
#include "base/enums.h"
#include "callee_save_frame.h"
#include "common_throws.h"
+#include "debug_print.h"
#include "debugger.h"
#include "dex/dex_file-inl.h"
#include "dex/dex_file_types.h"
@@ -1187,9 +1188,24 @@ static std::string DumpInstruction(ArtMethod* method, uint32_t dex_pc)
}
}
+static void DumpB74410240ClassData(ObjPtr<mirror::Class> klass)
+ REQUIRES_SHARED(Locks::mutator_lock_) {
+ std::string storage;
+ const char* descriptor = klass->GetDescriptor(&storage);
+ LOG(FATAL_WITHOUT_ABORT) << " " << DescribeLoaders(klass->GetClassLoader(), descriptor);
+ const OatDexFile* oat_dex_file = klass->GetDexFile().GetOatDexFile();
+ if (oat_dex_file != nullptr) {
+ const OatFile* oat_file = oat_dex_file->GetOatFile();
+ const char* dex2oat_cmdline =
+ oat_file->GetOatHeader().GetStoreValueByKey(OatHeader::kDex2OatCmdLineKey);
+ LOG(FATAL_WITHOUT_ABORT) << " OatFile: " << oat_file->GetLocation()
+ << "; " << (dex2oat_cmdline != nullptr ? dex2oat_cmdline : "<not recorded>");
+ }
+}
+
static void DumpB74410240DebugData(ArtMethod** sp) REQUIRES_SHARED(Locks::mutator_lock_) {
// Mimick the search for the caller and dump some data while doing so.
- LOG(FATAL_WITHOUT_ABORT) << "Dumping debugging data for b/74410240.";
+ LOG(FATAL_WITHOUT_ABORT) << "Dumping debugging data, please attach a bugreport to b/74410240.";
constexpr CalleeSaveType type = CalleeSaveType::kSaveRefsAndArgs;
CHECK_EQ(*sp, Runtime::Current()->GetCalleeSaveMethod(type));
@@ -1227,6 +1243,7 @@ static void DumpB74410240DebugData(ArtMethod** sp) REQUIRES_SHARED(Locks::mutato
<< " dex pc: " << dex_pc
<< " dex file: " << outer_method->GetDexFile()->GetLocation()
<< " class table: " << class_linker->ClassTableForClassLoader(outer_method->GetClassLoader());
+ DumpB74410240ClassData(outer_method->GetDeclaringClass());
LOG(FATAL_WITHOUT_ABORT) << " instruction: " << DumpInstruction(outer_method, dex_pc);
ArtMethod* caller = outer_method;
@@ -1260,7 +1277,8 @@ static void DumpB74410240DebugData(ArtMethod** sp) REQUIRES_SHARED(Locks::mutato
<< " dex pc: " << dex_pc
<< " dex file: " << caller->GetDexFile()->GetLocation()
<< " class table: "
- << class_linker->ClassTableForClassLoader(outer_method->GetClassLoader());
+ << class_linker->ClassTableForClassLoader(caller->GetClassLoader());
+ DumpB74410240ClassData(caller->GetDeclaringClass());
LOG(FATAL_WITHOUT_ABORT) << " instruction: " << DumpInstruction(caller, dex_pc);
}
}
diff --git a/runtime/hidden_api.cc b/runtime/hidden_api.cc
index f0b36a090a..02b4f5349d 100644
--- a/runtime/hidden_api.cc
+++ b/runtime/hidden_api.cc
@@ -16,13 +16,20 @@
#include "hidden_api.h"
+#include <nativehelper/scoped_local_ref.h>
+
#include "base/dumpable.h"
+#include "thread-current-inl.h"
+#include "well_known_classes.h"
namespace art {
namespace hiddenapi {
static inline std::ostream& operator<<(std::ostream& os, AccessMethod value) {
switch (value) {
+ case kNone:
+ LOG(FATAL) << "Internal access to hidden API should not be logged";
+ UNREACHABLE();
case kReflection:
os << "reflection";
break;
@@ -42,12 +49,11 @@ static constexpr bool EnumsEqual(EnforcementPolicy policy, HiddenApiAccessFlags:
// GetMemberAction-related static_asserts.
static_assert(
- EnumsEqual(EnforcementPolicy::kAllLists, HiddenApiAccessFlags::kLightGreylist) &&
EnumsEqual(EnforcementPolicy::kDarkGreyAndBlackList, HiddenApiAccessFlags::kDarkGreylist) &&
EnumsEqual(EnforcementPolicy::kBlacklistOnly, HiddenApiAccessFlags::kBlacklist),
"Mismatch between EnforcementPolicy and ApiList enums");
static_assert(
- EnforcementPolicy::kAllLists < EnforcementPolicy::kDarkGreyAndBlackList &&
+ EnforcementPolicy::kJustWarn < EnforcementPolicy::kDarkGreyAndBlackList &&
EnforcementPolicy::kDarkGreyAndBlackList < EnforcementPolicy::kBlacklistOnly,
"EnforcementPolicy values ordering not correct");
@@ -111,62 +117,104 @@ void MemberSignature::WarnAboutAccess(AccessMethod access_method,
}
template<typename T>
-bool ShouldBlockAccessToMemberImpl(T* member, Action action, AccessMethod access_method) {
+Action GetMemberActionImpl(T* member, Action action, AccessMethod access_method) {
+ DCHECK_NE(action, kAllow);
+
// Get the signature, we need it later.
MemberSignature member_signature(member);
Runtime* runtime = Runtime::Current();
- if (action == kDeny) {
- // If we were about to deny, check for an exemption first.
- // Exempted APIs are treated as light grey list.
+ // Check for an exemption first. Exempted APIs are treated as white list.
+ // We only do this if we're about to deny, or if the app is debuggable. This is because:
+ // - we only print a warning for light greylist violations for debuggable apps
+ // - for non-debuggable apps, there is no distinction between light grey & whitelisted APIs.
+ // - we want to avoid the overhead of checking for exemptions for light greylisted APIs whenever
+ // possible.
+ if (action == kDeny || runtime->IsJavaDebuggable()) {
if (member_signature.IsExempted(runtime->GetHiddenApiExemptions())) {
- action = kAllowButWarn;
+ action = kAllow;
// Avoid re-examining the exemption list next time.
- // Note this results in the warning below showing "light greylist", which
- // seems like what one would expect. Exemptions effectively add new members to
- // the light greylist.
+ // Note this results in no warning for the member, which seems like what one would expect.
+ // Exemptions effectively adds new members to the whitelist.
member->SetAccessFlags(HiddenApiAccessFlags::EncodeForRuntime(
- member->GetAccessFlags(), HiddenApiAccessFlags::kLightGreylist));
+ member->GetAccessFlags(), HiddenApiAccessFlags::kWhitelist));
+ return kAllow;
}
- }
- // Print a log message with information about this class member access.
- // We do this regardless of whether we block the access or not.
- member_signature.WarnAboutAccess(access_method,
- HiddenApiAccessFlags::DecodeFromRuntime(member->GetAccessFlags()));
+ if (access_method != kNone) {
+ // Print a log message with information about this class member access.
+ // We do this if we're about to block access, or the app is debuggable.
+ member_signature.WarnAboutAccess(access_method,
+ HiddenApiAccessFlags::DecodeFromRuntime(member->GetAccessFlags()));
+ }
+ }
if (action == kDeny) {
// Block access
- return true;
+ return action;
}
// Allow access to this member but print a warning.
DCHECK(action == kAllowButWarn || action == kAllowButWarnAndToast);
- // Depending on a runtime flag, we might move the member into whitelist and
- // skip the warning the next time the member is accessed.
- if (runtime->ShouldDedupeHiddenApiWarnings()) {
- member->SetAccessFlags(HiddenApiAccessFlags::EncodeForRuntime(
- member->GetAccessFlags(), HiddenApiAccessFlags::kWhitelist));
- }
+ if (access_method != kNone) {
+ // Depending on a runtime flag, we might move the member into whitelist and
+ // skip the warning the next time the member is accessed.
+ if (runtime->ShouldDedupeHiddenApiWarnings()) {
+ member->SetAccessFlags(HiddenApiAccessFlags::EncodeForRuntime(
+ member->GetAccessFlags(), HiddenApiAccessFlags::kWhitelist));
+ }
- // If this action requires a UI warning, set the appropriate flag.
- if (action == kAllowButWarnAndToast || runtime->ShouldAlwaysSetHiddenApiWarningFlag()) {
- runtime->SetPendingHiddenApiWarning(true);
+ // If this action requires a UI warning, set the appropriate flag.
+ if (action == kAllowButWarnAndToast || runtime->ShouldAlwaysSetHiddenApiWarningFlag()) {
+ runtime->SetPendingHiddenApiWarning(true);
+ }
}
- return false;
+ return action;
}
// Need to instantiate this.
-template bool ShouldBlockAccessToMemberImpl<ArtField>(ArtField* member,
- Action action,
- AccessMethod access_method);
-template bool ShouldBlockAccessToMemberImpl<ArtMethod>(ArtMethod* member,
- Action action,
- AccessMethod access_method);
-
+template Action GetMemberActionImpl<ArtField>(ArtField* member,
+ Action action,
+ AccessMethod access_method);
+template Action GetMemberActionImpl<ArtMethod>(ArtMethod* member,
+ Action action,
+ AccessMethod access_method);
} // namespace detail
+
+template<typename T>
+void NotifyHiddenApiListener(T* member) {
+ Runtime* runtime = Runtime::Current();
+ if (!runtime->IsAotCompiler()) {
+ ScopedObjectAccessUnchecked soa(Thread::Current());
+
+ ScopedLocalRef<jobject> consumer_object(soa.Env(),
+ soa.Env()->GetStaticObjectField(
+ WellKnownClasses::dalvik_system_VMRuntime,
+ WellKnownClasses::dalvik_system_VMRuntime_nonSdkApiUsageConsumer));
+ // If the consumer is non-null, we call back to it to let it know that we
+ // have encountered an API that's in one of our lists.
+ if (consumer_object != nullptr) {
+ detail::MemberSignature member_signature(member);
+ std::ostringstream member_signature_str;
+ member_signature.Dump(member_signature_str);
+
+ ScopedLocalRef<jobject> signature_str(
+ soa.Env(),
+ soa.Env()->NewStringUTF(member_signature_str.str().c_str()));
+
+ // Call through to Consumer.accept(String memberSignature);
+ soa.Env()->CallVoidMethod(consumer_object.get(),
+ WellKnownClasses::java_util_function_Consumer_accept,
+ signature_str.get());
+ }
+ }
+}
+
+template void NotifyHiddenApiListener<ArtMethod>(ArtMethod* member);
+template void NotifyHiddenApiListener<ArtField>(ArtField* member);
+
} // namespace hiddenapi
} // namespace art
diff --git a/runtime/hidden_api.h b/runtime/hidden_api.h
index cc6c146f00..d2c71a7d35 100644
--- a/runtime/hidden_api.h
+++ b/runtime/hidden_api.h
@@ -33,7 +33,7 @@ namespace hiddenapi {
// frameworks/base/core/java/android/content/pm/ApplicationInfo.java
enum class EnforcementPolicy {
kNoChecks = 0,
- kAllLists = 1, // ban anything but whitelist
+ kJustWarn = 1, // keep checks enabled, but allow everything (enables logging)
kDarkGreyAndBlackList = 2, // ban dark grey & blacklist
kBlacklistOnly = 3, // ban blacklist violations only
kMax = kBlacklistOnly,
@@ -53,12 +53,13 @@ enum Action {
};
enum AccessMethod {
+ kNone, // internal test that does not correspond to an actual access by app
kReflection,
kJNI,
kLinking,
};
-inline Action GetMemberAction(uint32_t access_flags) {
+inline Action GetActionFromAccessFlags(uint32_t access_flags) {
EnforcementPolicy policy = Runtime::Current()->GetHiddenApiEnforcementPolicy();
if (policy == EnforcementPolicy::kNoChecks) {
// Exit early. Nothing to enforce.
@@ -69,6 +70,11 @@ inline Action GetMemberAction(uint32_t access_flags) {
if (api_list == HiddenApiAccessFlags::kWhitelist) {
return kAllow;
}
+ // if policy is "just warn", always warn. We returned above for whitelist APIs.
+ if (policy == EnforcementPolicy::kJustWarn) {
+ return kAllowButWarn;
+ }
+ DCHECK(policy >= EnforcementPolicy::kDarkGreyAndBlackList);
// The logic below relies on equality of values in the enums EnforcementPolicy and
// HiddenApiAccessFlags::ApiList, and their ordering. Assertions are in hidden_api.cc.
if (static_cast<int>(policy) > static_cast<int>(api_list)) {
@@ -108,9 +114,7 @@ class MemberSignature {
};
template<typename T>
-bool ShouldBlockAccessToMemberImpl(T* member,
- Action action,
- AccessMethod access_method)
+Action GetMemberActionImpl(T* member, Action action, AccessMethod access_method)
REQUIRES_SHARED(Locks::mutator_lock_);
// Returns true if the caller is either loaded by the boot strap class loader or comes from
@@ -138,28 +142,28 @@ inline bool IsCallerInPlatformDex(ObjPtr<mirror::ClassLoader> caller_class_loade
// return true if the caller is located in the platform.
// This function might print warnings into the log if the member is hidden.
template<typename T>
-inline bool ShouldBlockAccessToMember(T* member,
- Thread* self,
- std::function<bool(Thread*)> fn_caller_in_platform,
- AccessMethod access_method)
+inline Action GetMemberAction(T* member,
+ Thread* self,
+ std::function<bool(Thread*)> fn_caller_in_platform,
+ AccessMethod access_method)
REQUIRES_SHARED(Locks::mutator_lock_) {
DCHECK(member != nullptr);
- Action action = GetMemberAction(member->GetAccessFlags());
+ Action action = GetActionFromAccessFlags(member->GetAccessFlags());
if (action == kAllow) {
// Nothing to do.
- return false;
+ return action;
}
// Member is hidden. Invoke `fn_caller_in_platform` and find the origin of the access.
// This can be *very* expensive. Save it for last.
if (fn_caller_in_platform(self)) {
// Caller in the platform. Exit.
- return false;
+ return kAllow;
}
// Member is hidden and caller is not in the platform.
- return detail::ShouldBlockAccessToMemberImpl(member, action, access_method);
+ return detail::GetMemberActionImpl(member, action, access_method);
}
inline bool IsCallerInPlatformDex(ObjPtr<mirror::Class> caller)
@@ -172,18 +176,26 @@ inline bool IsCallerInPlatformDex(ObjPtr<mirror::Class> caller)
// `caller_class_loader`.
// This function might print warnings into the log if the member is hidden.
template<typename T>
-inline bool ShouldBlockAccessToMember(T* member,
- ObjPtr<mirror::ClassLoader> caller_class_loader,
- ObjPtr<mirror::DexCache> caller_dex_cache,
- AccessMethod access_method)
+inline Action GetMemberAction(T* member,
+ ObjPtr<mirror::ClassLoader> caller_class_loader,
+ ObjPtr<mirror::DexCache> caller_dex_cache,
+ AccessMethod access_method)
REQUIRES_SHARED(Locks::mutator_lock_) {
bool caller_in_platform = detail::IsCallerInPlatformDex(caller_class_loader, caller_dex_cache);
- return ShouldBlockAccessToMember(member,
- /* thread */ nullptr,
- [caller_in_platform] (Thread*) { return caller_in_platform; },
- access_method);
+ return GetMemberAction(member,
+ /* thread */ nullptr,
+ [caller_in_platform] (Thread*) { return caller_in_platform; },
+ access_method);
}
+// Calls back into managed code to notify VMRuntime.nonSdkApiUsageConsumer that
+// |member| was accessed. This is usually called when an API is on the black,
+// dark grey or light grey lists. Given that the callback can execute arbitrary
+// code, a call to this method can result in thread suspension.
+template<typename T> void NotifyHiddenApiListener(T* member)
+ REQUIRES_SHARED(Locks::mutator_lock_);
+
+
} // namespace hiddenapi
} // namespace art
diff --git a/runtime/hidden_api_test.cc b/runtime/hidden_api_test.cc
index 5a31dd4972..65d6363bfd 100644
--- a/runtime/hidden_api_test.cc
+++ b/runtime/hidden_api_test.cc
@@ -22,6 +22,7 @@
namespace art {
using hiddenapi::detail::MemberSignature;
+using hiddenapi::GetActionFromAccessFlags;
class HiddenApiTest : public CommonRuntimeTest {
protected:
@@ -84,6 +85,39 @@ class HiddenApiTest : public CommonRuntimeTest {
ArtMethod* class3_method1_i_;
};
+TEST_F(HiddenApiTest, CheckGetActionFromRuntimeFlags) {
+ uint32_t whitelist = HiddenApiAccessFlags::EncodeForRuntime(0, HiddenApiAccessFlags::kWhitelist);
+ uint32_t lightgreylist =
+ HiddenApiAccessFlags::EncodeForRuntime(0, HiddenApiAccessFlags::kLightGreylist);
+ uint32_t darkgreylist =
+ HiddenApiAccessFlags::EncodeForRuntime(0, HiddenApiAccessFlags::kDarkGreylist);
+ uint32_t blacklist = HiddenApiAccessFlags::EncodeForRuntime(0, HiddenApiAccessFlags::kBlacklist);
+
+ runtime_->SetHiddenApiEnforcementPolicy(hiddenapi::EnforcementPolicy::kNoChecks);
+ ASSERT_EQ(GetActionFromAccessFlags(whitelist), hiddenapi::kAllow);
+ ASSERT_EQ(GetActionFromAccessFlags(lightgreylist), hiddenapi::kAllow);
+ ASSERT_EQ(GetActionFromAccessFlags(darkgreylist), hiddenapi::kAllow);
+ ASSERT_EQ(GetActionFromAccessFlags(blacklist), hiddenapi::kAllow);
+
+ runtime_->SetHiddenApiEnforcementPolicy(hiddenapi::EnforcementPolicy::kJustWarn);
+ ASSERT_EQ(GetActionFromAccessFlags(whitelist), hiddenapi::kAllow);
+ ASSERT_EQ(GetActionFromAccessFlags(lightgreylist), hiddenapi::kAllowButWarn);
+ ASSERT_EQ(GetActionFromAccessFlags(darkgreylist), hiddenapi::kAllowButWarn);
+ ASSERT_EQ(GetActionFromAccessFlags(blacklist), hiddenapi::kAllowButWarn);
+
+ runtime_->SetHiddenApiEnforcementPolicy(hiddenapi::EnforcementPolicy::kDarkGreyAndBlackList);
+ ASSERT_EQ(GetActionFromAccessFlags(whitelist), hiddenapi::kAllow);
+ ASSERT_EQ(GetActionFromAccessFlags(lightgreylist), hiddenapi::kAllowButWarn);
+ ASSERT_EQ(GetActionFromAccessFlags(darkgreylist), hiddenapi::kDeny);
+ ASSERT_EQ(GetActionFromAccessFlags(blacklist), hiddenapi::kDeny);
+
+ runtime_->SetHiddenApiEnforcementPolicy(hiddenapi::EnforcementPolicy::kBlacklistOnly);
+ ASSERT_EQ(GetActionFromAccessFlags(whitelist), hiddenapi::kAllow);
+ ASSERT_EQ(GetActionFromAccessFlags(lightgreylist), hiddenapi::kAllowButWarn);
+ ASSERT_EQ(GetActionFromAccessFlags(darkgreylist), hiddenapi::kAllowButWarnAndToast);
+ ASSERT_EQ(GetActionFromAccessFlags(blacklist), hiddenapi::kDeny);
+}
+
TEST_F(HiddenApiTest, CheckMembersRead) {
ASSERT_NE(nullptr, class1_field1_);
ASSERT_NE(nullptr, class1_field12_);
diff --git a/runtime/interpreter/unstarted_runtime.cc b/runtime/interpreter/unstarted_runtime.cc
index 4a2dd3bc3f..6e920363e8 100644
--- a/runtime/interpreter/unstarted_runtime.cc
+++ b/runtime/interpreter/unstarted_runtime.cc
@@ -181,11 +181,13 @@ static mirror::String* GetClassName(Thread* self, ShadowFrame* shadow_frame, siz
template<typename T>
static ALWAYS_INLINE bool ShouldBlockAccessToMember(T* member, ShadowFrame* frame)
REQUIRES_SHARED(Locks::mutator_lock_) {
- return hiddenapi::ShouldBlockAccessToMember(
+ // All uses in this file are from reflection
+ constexpr hiddenapi::AccessMethod access_method = hiddenapi::kReflection;
+ return hiddenapi::GetMemberAction(
member,
frame->GetMethod()->GetDeclaringClass()->GetClassLoader(),
frame->GetMethod()->GetDeclaringClass()->GetDexCache(),
- hiddenapi::kReflection); // all uses in this file are from reflection
+ access_method) == hiddenapi::kDeny;
}
void UnstartedRuntime::UnstartedClassForNameCommon(Thread* self,
diff --git a/runtime/jni_internal.cc b/runtime/jni_internal.cc
index f309581735..9dbcded867 100644
--- a/runtime/jni_internal.cc
+++ b/runtime/jni_internal.cc
@@ -87,8 +87,13 @@ static bool IsCallerInPlatformDex(Thread* self) REQUIRES_SHARED(Locks::mutator_l
template<typename T>
ALWAYS_INLINE static bool ShouldBlockAccessToMember(T* member, Thread* self)
REQUIRES_SHARED(Locks::mutator_lock_) {
- return hiddenapi::ShouldBlockAccessToMember(
+ hiddenapi::Action action = hiddenapi::GetMemberAction(
member, self, IsCallerInPlatformDex, hiddenapi::kJNI);
+ if (action != hiddenapi::kAllow) {
+ hiddenapi::NotifyHiddenApiListener(member);
+ }
+
+ return action == hiddenapi::kDeny;
}
// Helpers to call instrumentation functions for fields. These take jobjects so we don't need to set
diff --git a/runtime/native/java_lang_Class.cc b/runtime/native/java_lang_Class.cc
index ad05856eaf..a8b203bff2 100644
--- a/runtime/native/java_lang_Class.cc
+++ b/runtime/native/java_lang_Class.cc
@@ -98,8 +98,13 @@ ALWAYS_INLINE static bool ShouldEnforceHiddenApi(Thread* self)
template<typename T>
ALWAYS_INLINE static bool ShouldBlockAccessToMember(T* member, Thread* self)
REQUIRES_SHARED(Locks::mutator_lock_) {
- return hiddenapi::ShouldBlockAccessToMember(
+ hiddenapi::Action action = hiddenapi::GetMemberAction(
member, self, IsCallerInPlatformDex, hiddenapi::kReflection);
+ if (action != hiddenapi::kAllow) {
+ hiddenapi::NotifyHiddenApiListener(member);
+ }
+
+ return action == hiddenapi::kDeny;
}
// Returns true if a class member should be discoverable with reflection given
@@ -113,7 +118,8 @@ ALWAYS_INLINE static bool IsDiscoverable(bool public_only,
return false;
}
- if (enforce_hidden_api && hiddenapi::GetMemberAction(access_flags) == hiddenapi::kDeny) {
+ if (enforce_hidden_api &&
+ hiddenapi::GetActionFromAccessFlags(access_flags) == hiddenapi::kDeny) {
return false;
}
@@ -433,12 +439,14 @@ static jobject Class_getPublicFieldRecursive(JNIEnv* env, jobject javaThis, jstr
return nullptr;
}
- mirror::Field* field = GetPublicFieldRecursive(
- soa.Self(), DecodeClass(soa, javaThis), name_string);
- if (field == nullptr || ShouldBlockAccessToMember(field->GetArtField(), soa.Self())) {
+ StackHandleScope<1> hs(soa.Self());
+ Handle<mirror::Field> field = hs.NewHandle(GetPublicFieldRecursive(
+ soa.Self(), DecodeClass(soa, javaThis), name_string));
+ if (field.Get() == nullptr ||
+ ShouldBlockAccessToMember(field->GetArtField(), soa.Self())) {
return nullptr;
}
- return soa.AddLocalReference<jobject>(field);
+ return soa.AddLocalReference<jobject>(field.Get());
}
static jobject Class_getDeclaredField(JNIEnv* env, jobject javaThis, jstring name) {
@@ -477,15 +485,17 @@ static jobject Class_getDeclaredConstructorInternal(
ScopedFastNativeObjectAccess soa(env);
DCHECK_EQ(Runtime::Current()->GetClassLinker()->GetImagePointerSize(), kRuntimePointerSize);
DCHECK(!Runtime::Current()->IsActiveTransaction());
- ObjPtr<mirror::Constructor> result =
+
+ StackHandleScope<1> hs(soa.Self());
+ Handle<mirror::Constructor> result = hs.NewHandle(
mirror::Class::GetDeclaredConstructorInternal<kRuntimePointerSize, false>(
soa.Self(),
DecodeClass(soa, javaThis),
- soa.Decode<mirror::ObjectArray<mirror::Class>>(args));
+ soa.Decode<mirror::ObjectArray<mirror::Class>>(args)));
if (result == nullptr || ShouldBlockAccessToMember(result->GetArtMethod(), soa.Self())) {
return nullptr;
}
- return soa.AddLocalReference<jobject>(result);
+ return soa.AddLocalReference<jobject>(result.Get());
}
static ALWAYS_INLINE inline bool MethodMatchesConstructor(
@@ -535,18 +545,19 @@ static jobjectArray Class_getDeclaredConstructorsInternal(
static jobject Class_getDeclaredMethodInternal(JNIEnv* env, jobject javaThis,
jstring name, jobjectArray args) {
ScopedFastNativeObjectAccess soa(env);
+ StackHandleScope<1> hs(soa.Self());
DCHECK_EQ(Runtime::Current()->GetClassLinker()->GetImagePointerSize(), kRuntimePointerSize);
DCHECK(!Runtime::Current()->IsActiveTransaction());
- ObjPtr<mirror::Method> result =
+ Handle<mirror::Method> result = hs.NewHandle(
mirror::Class::GetDeclaredMethodInternal<kRuntimePointerSize, false>(
soa.Self(),
DecodeClass(soa, javaThis),
soa.Decode<mirror::String>(name),
- soa.Decode<mirror::ObjectArray<mirror::Class>>(args));
+ soa.Decode<mirror::ObjectArray<mirror::Class>>(args)));
if (result == nullptr || ShouldBlockAccessToMember(result->GetArtMethod(), soa.Self())) {
return nullptr;
}
- return soa.AddLocalReference<jobject>(result);
+ return soa.AddLocalReference<jobject>(result.Get());
}
static jobjectArray Class_getDeclaredMethodsUnchecked(JNIEnv* env, jobject javaThis,
diff --git a/runtime/runtime.h b/runtime/runtime.h
index 03f17bc04a..c14593749e 100644
--- a/runtime/runtime.h
+++ b/runtime/runtime.h
@@ -1004,7 +1004,8 @@ class Runtime {
// Whether access checks on hidden API should be performed.
hiddenapi::EnforcementPolicy hidden_api_policy_;
- // List of signature prefixes of methods that have been removed from the blacklist
+ // List of signature prefixes of methods that have been removed from the blacklist, and treated
+ // as if whitelisted.
std::vector<std::string> hidden_api_exemptions_;
// Whether the application has used an API which is not restricted but we
diff --git a/runtime/verifier/method_verifier.cc b/runtime/verifier/method_verifier.cc
index 0206d2c1e5..dfb98b6083 100644
--- a/runtime/verifier/method_verifier.cc
+++ b/runtime/verifier/method_verifier.cc
@@ -3801,16 +3801,8 @@ ArtMethod* MethodVerifier::ResolveMethodAndCheckAccess(
must_fail = true;
// Try to find the method also with the other type for better error reporting below
// but do not store such bogus lookup result in the DexCache or VerifierDeps.
- if (klass->IsInterface()) {
- // NB This is normally not really allowed but we want to get any static or private object
- // methods for error message purposes. This will never be returned.
- // TODO We might want to change the verifier to not require this.
- res_method = klass->FindClassMethod(dex_cache_.Get(), dex_method_idx, pointer_size);
- } else {
- // If there was an interface method with the same signature,
- // we would have found it also in the "copied" methods.
- DCHECK(klass->FindInterfaceMethod(dex_cache_.Get(), dex_method_idx, pointer_size) == nullptr);
- }
+ res_method = class_linker->FindIncompatibleMethod(
+ klass, dex_cache_.Get(), class_loader_.Get(), dex_method_idx);
}
if (res_method == nullptr) {
diff --git a/runtime/well_known_classes.cc b/runtime/well_known_classes.cc
index bf36ccf0fa..742e713774 100644
--- a/runtime/well_known_classes.cc
+++ b/runtime/well_known_classes.cc
@@ -77,6 +77,7 @@ jclass WellKnownClasses::java_nio_ByteBuffer;
jclass WellKnownClasses::java_nio_DirectByteBuffer;
jclass WellKnownClasses::java_util_ArrayList;
jclass WellKnownClasses::java_util_Collections;
+jclass WellKnownClasses::java_util_function_Consumer;
jclass WellKnownClasses::libcore_reflect_AnnotationFactory;
jclass WellKnownClasses::libcore_reflect_AnnotationMember;
jclass WellKnownClasses::libcore_util_EmptyArray;
@@ -115,6 +116,7 @@ jmethodID WellKnownClasses::java_lang_Thread_run;
jmethodID WellKnownClasses::java_lang_ThreadGroup_add;
jmethodID WellKnownClasses::java_lang_ThreadGroup_removeThread;
jmethodID WellKnownClasses::java_nio_DirectByteBuffer_init;
+jmethodID WellKnownClasses::java_util_function_Consumer_accept;
jmethodID WellKnownClasses::libcore_reflect_AnnotationFactory_createAnnotation;
jmethodID WellKnownClasses::libcore_reflect_AnnotationMember_init;
jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast;
@@ -125,6 +127,7 @@ jfieldID WellKnownClasses::dalvik_system_DexFile_fileName;
jfieldID WellKnownClasses::dalvik_system_BaseDexClassLoader_pathList;
jfieldID WellKnownClasses::dalvik_system_DexPathList_dexElements;
jfieldID WellKnownClasses::dalvik_system_DexPathList__Element_dexFile;
+jfieldID WellKnownClasses::dalvik_system_VMRuntime_nonSdkApiUsageConsumer;
jfieldID WellKnownClasses::java_lang_Thread_daemon;
jfieldID WellKnownClasses::java_lang_Thread_group;
jfieldID WellKnownClasses::java_lang_Thread_lock;
@@ -349,6 +352,7 @@ void WellKnownClasses::Init(JNIEnv* env) {
java_nio_DirectByteBuffer = CacheClass(env, "java/nio/DirectByteBuffer");
java_util_ArrayList = CacheClass(env, "java/util/ArrayList");
java_util_Collections = CacheClass(env, "java/util/Collections");
+ java_util_function_Consumer = CacheClass(env, "java/util/function/Consumer");
libcore_reflect_AnnotationFactory = CacheClass(env, "libcore/reflect/AnnotationFactory");
libcore_reflect_AnnotationMember = CacheClass(env, "libcore/reflect/AnnotationMember");
libcore_util_EmptyArray = CacheClass(env, "libcore/util/EmptyArray");
@@ -379,6 +383,7 @@ void WellKnownClasses::Init(JNIEnv* env) {
java_lang_ThreadGroup_add = CacheMethod(env, java_lang_ThreadGroup, false, "add", "(Ljava/lang/Thread;)V");
java_lang_ThreadGroup_removeThread = CacheMethod(env, java_lang_ThreadGroup, false, "threadTerminated", "(Ljava/lang/Thread;)V");
java_nio_DirectByteBuffer_init = CacheMethod(env, java_nio_DirectByteBuffer, false, "<init>", "(JI)V");
+ java_util_function_Consumer_accept = CacheMethod(env, java_util_function_Consumer, false, "accept", "(Ljava/lang/Object;)V");
libcore_reflect_AnnotationFactory_createAnnotation = CacheMethod(env, libcore_reflect_AnnotationFactory, true, "createAnnotation", "(Ljava/lang/Class;[Llibcore/reflect/AnnotationMember;)Ljava/lang/annotation/Annotation;");
libcore_reflect_AnnotationMember_init = CacheMethod(env, libcore_reflect_AnnotationMember, false, "<init>", "(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/reflect/Method;)V");
org_apache_harmony_dalvik_ddmc_DdmServer_broadcast = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "broadcast", "(I)V");
@@ -389,6 +394,7 @@ void WellKnownClasses::Init(JNIEnv* env) {
dalvik_system_DexFile_fileName = CacheField(env, dalvik_system_DexFile, false, "mFileName", "Ljava/lang/String;");
dalvik_system_DexPathList_dexElements = CacheField(env, dalvik_system_DexPathList, false, "dexElements", "[Ldalvik/system/DexPathList$Element;");
dalvik_system_DexPathList__Element_dexFile = CacheField(env, dalvik_system_DexPathList__Element, false, "dexFile", "Ldalvik/system/DexFile;");
+ dalvik_system_VMRuntime_nonSdkApiUsageConsumer = CacheField(env, dalvik_system_VMRuntime, true, "nonSdkApiUsageConsumer", "Ljava/util/function/Consumer;");
java_lang_Thread_daemon = CacheField(env, java_lang_Thread, false, "daemon", "Z");
java_lang_Thread_group = CacheField(env, java_lang_Thread, false, "group", "Ljava/lang/ThreadGroup;");
java_lang_Thread_lock = CacheField(env, java_lang_Thread, false, "lock", "Ljava/lang/Object;");
diff --git a/runtime/well_known_classes.h b/runtime/well_known_classes.h
index d5d7033132..7b1a2943d2 100644
--- a/runtime/well_known_classes.h
+++ b/runtime/well_known_classes.h
@@ -85,6 +85,7 @@ struct WellKnownClasses {
static jclass java_lang_Throwable;
static jclass java_util_ArrayList;
static jclass java_util_Collections;
+ static jclass java_util_function_Consumer;
static jclass java_nio_ByteBuffer;
static jclass java_nio_DirectByteBuffer;
static jclass libcore_reflect_AnnotationFactory;
@@ -125,6 +126,7 @@ struct WellKnownClasses {
static jmethodID java_lang_ThreadGroup_add;
static jmethodID java_lang_ThreadGroup_removeThread;
static jmethodID java_nio_DirectByteBuffer_init;
+ static jmethodID java_util_function_Consumer_accept;
static jmethodID libcore_reflect_AnnotationFactory_createAnnotation;
static jmethodID libcore_reflect_AnnotationMember_init;
static jmethodID org_apache_harmony_dalvik_ddmc_DdmServer_broadcast;
@@ -135,6 +137,7 @@ struct WellKnownClasses {
static jfieldID dalvik_system_DexFile_fileName;
static jfieldID dalvik_system_DexPathList_dexElements;
static jfieldID dalvik_system_DexPathList__Element_dexFile;
+ static jfieldID dalvik_system_VMRuntime_nonSdkApiUsageConsumer;
static jfieldID java_lang_reflect_Executable_artMethod;
static jfieldID java_lang_reflect_Proxy_h;
static jfieldID java_lang_Thread_daemon;