DexFile: Add an API to query oat file status.
Adds DexFile.getDexFileStatus(path), which returns an opaque,
human-readable string representation of the oat file status. This
representation isn't guaranteed to be stable and can change from
release to release.
bug: 27494108
(cherry picked from commit cd7e7f78b8e97c1f6419f3f44e0d5fdc6eddfdc6)
Change-Id: If6997f7d28d022e118ffea1eec6183841577a637
diff --git a/runtime/native/dalvik_system_DexFile.cc b/runtime/native/dalvik_system_DexFile.cc
index 0abe39d..42182a2 100644
--- a/runtime/native/dalvik_system_DexFile.cc
+++ b/runtime/native/dalvik_system_DexFile.cc
@@ -16,6 +16,8 @@
#include "dalvik_system_DexFile.h"
+#include <sstream>
+
#include "base/logging.h"
#include "base/stl_util.h"
#include "base/stringprintf.h"
@@ -27,6 +29,7 @@
#include "mirror/class_loader.h"
#include "mirror/object-inl.h"
#include "mirror/string.h"
+#include "oat_file.h"
#include "oat_file_assistant.h"
#include "oat_file_manager.h"
#include "os.h"
@@ -387,6 +390,61 @@
return oat_file_assistant.GetDexOptNeeded(filter);
}
+static jstring DexFile_getDexFileStatus(JNIEnv* env,
+ jclass,
+ jstring javaFilename,
+ jstring javaInstructionSet) {
+ ScopedUtfChars filename(env, javaFilename);
+ if (env->ExceptionCheck()) {
+ return nullptr;
+ }
+
+ ScopedUtfChars instruction_set(env, javaInstructionSet);
+ if (env->ExceptionCheck()) {
+ return nullptr;
+ }
+
+ const InstructionSet target_instruction_set = GetInstructionSetFromString(
+ instruction_set.c_str());
+ if (target_instruction_set == kNone) {
+ ScopedLocalRef<jclass> iae(env, env->FindClass("java/lang/IllegalArgumentException"));
+ std::string message(StringPrintf("Instruction set %s is invalid.", instruction_set.c_str()));
+ env->ThrowNew(iae.get(), message.c_str());
+ return nullptr;
+ }
+
+ OatFileAssistant oat_file_assistant(filename.c_str(), target_instruction_set,
+ false /* profile_changed */,
+ false /* load_executable */);
+
+ std::ostringstream status;
+ bool oat_file_exists = false;
+ bool odex_file_exists = false;
+ if (oat_file_assistant.OatFileExists()) {
+ oat_file_exists = true;
+ status << *oat_file_assistant.OatFileName() << " [compilation_filter=";
+ status << CompilerFilter::NameOfFilter(oat_file_assistant.OatFileCompilerFilter());
+ status << ", status=" << oat_file_assistant.OatFileStatus();
+ }
+
+ if (oat_file_assistant.OdexFileExists()) {
+ odex_file_exists = true;
+ if (oat_file_exists) {
+ status << "] ";
+ }
+ status << *oat_file_assistant.OdexFileName() << " [compilation_filter=";
+ status << CompilerFilter::NameOfFilter(oat_file_assistant.OdexFileCompilerFilter());
+ status << ", status=" << oat_file_assistant.OdexFileStatus();
+ }
+
+ if (!oat_file_exists && !odex_file_exists) {
+ status << "invalid[";
+ }
+
+ status << "]";
+ return env->NewStringUTF(status.str().c_str());
+}
+
static jint DexFile_getDexOptNeeded(JNIEnv* env,
jclass,
jstring javaFilename,
@@ -506,6 +564,8 @@
NATIVE_METHOD(DexFile,
getNonProfileGuidedCompilerFilter,
"(Ljava/lang/String;)Ljava/lang/String;"),
+ NATIVE_METHOD(DexFile, getDexFileStatus,
+ "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;")
};
void register_dalvik_system_DexFile(JNIEnv* env) {