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-rw-r--r--core/jni/AndroidRuntime.cpp144
1 files changed, 110 insertions, 34 deletions
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index b4599b6..362a54e 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -131,7 +131,6 @@ extern int register_android_database_CursorWindow(JNIEnv* env);
extern int register_android_database_SQLiteConnection(JNIEnv* env);
extern int register_android_database_SQLiteGlobal(JNIEnv* env);
extern int register_android_database_SQLiteDebug(JNIEnv* env);
-extern int register_android_debug_JNITest(JNIEnv* env);
extern int register_android_nio_utils(JNIEnv* env);
extern int register_android_text_format_Time(JNIEnv* env);
extern int register_android_os_Debug(JNIEnv* env);
@@ -178,6 +177,7 @@ extern int register_android_content_res_Configuration(JNIEnv* env);
extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
extern int register_com_android_internal_content_NativeLibraryHelper(JNIEnv *env);
extern int register_com_android_internal_net_NetworkStatsFactory(JNIEnv *env);
+extern int register_com_android_internal_os_Zygote(JNIEnv *env);
static AndroidRuntime* gCurRuntime = NULL;
@@ -228,9 +228,10 @@ int register_com_android_internal_os_RuntimeInit(JNIEnv* env)
/*static*/ JavaVM* AndroidRuntime::mJavaVM = NULL;
-
-AndroidRuntime::AndroidRuntime() :
- mExitWithoutCleanup(false)
+AndroidRuntime::AndroidRuntime(char* argBlockStart, const size_t argBlockLength) :
+ mExitWithoutCleanup(false),
+ mArgBlockStart(argBlockStart),
+ mArgBlockLength(argBlockLength)
{
SkGraphics::Init();
// this sets our preference for 16bit images during decode
@@ -265,13 +266,17 @@ AndroidRuntime::~AndroidRuntime()
return jniRegisterNativeMethods(env, className, gMethods, numMethods);
}
-status_t AndroidRuntime::callMain(const char* className,
- jclass clazz, int argc, const char* const argv[])
+void AndroidRuntime::setArgv0(const char* argv0) {
+ strlcpy(mArgBlockStart, argv0, mArgBlockLength);
+}
+
+status_t AndroidRuntime::callMain(const String8& className, jclass clazz,
+ const Vector<String8>& args)
{
JNIEnv* env;
jmethodID methodId;
- ALOGD("Calling main entry %s", className);
+ ALOGD("Calling main entry %s", className.string());
env = getJNIEnv();
if (clazz == NULL || env == NULL) {
@@ -280,7 +285,7 @@ status_t AndroidRuntime::callMain(const char* className,
methodId = env->GetStaticMethodID(clazz, "main", "([Ljava/lang/String;)V");
if (methodId == NULL) {
- ALOGE("ERROR: could not find method %s.main(String[])\n", className);
+ ALOGE("ERROR: could not find method %s.main(String[])\n", className.string());
return UNKNOWN_ERROR;
}
@@ -291,11 +296,12 @@ status_t AndroidRuntime::callMain(const char* className,
jclass stringClass;
jobjectArray strArray;
+ const size_t numArgs = args.size();
stringClass = env->FindClass("java/lang/String");
- strArray = env->NewObjectArray(argc, stringClass, NULL);
+ strArray = env->NewObjectArray(numArgs, stringClass, NULL);
- for (int i = 0; i < argc; i++) {
- jstring argStr = env->NewStringUTF(argv[i]);
+ for (size_t i = 0; i < numArgs; i++) {
+ jstring argStr = env->NewStringUTF(args[i].string());
env->SetObjectArrayElement(strArray, i, argStr);
}
@@ -396,16 +402,16 @@ static void readLocale(char* language, char* region)
*
* This will cut up "extraOptsBuf" as we chop it into individual options.
*
+ * If "quotingArg" is non-null, it is passed before each extra option in mOptions.
+ *
* Adds the strings, if any, to mOptions.
*/
-void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
+void AndroidRuntime::parseExtraOpts(char* extraOptsBuf, const char* quotingArg)
{
JavaVMOption opt;
- char* start;
- char* end;
-
memset(&opt, 0, sizeof(opt));
- start = extraOptsBuf;
+ char* start = extraOptsBuf;
+ char* end = NULL;
while (*start != '\0') {
while (*start == ' ') /* skip leading whitespace */
start++;
@@ -419,6 +425,11 @@ void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
*end++ = '\0'; /* mark end, advance to indicate more */
opt.optionString = start;
+ if (quotingArg != NULL) {
+ JavaVMOption quotingOpt;
+ quotingOpt.optionString = quotingArg;
+ mOptions.add(quotingOpt);
+ }
mOptions.add(opt);
start = end;
}
@@ -430,6 +441,14 @@ void AndroidRuntime::parseExtraOpts(char* extraOptsBuf)
* Various arguments, most determined by system properties, are passed in.
* The "mOptions" vector is updated.
*
+ * CAUTION: when adding options in here, be careful not to put the
+ * char buffer inside a nested scope. Adding the buffer to the
+ * options using mOptions.add() does not copy the buffer, so if the
+ * buffer goes out of scope the option may be overwritten. It's best
+ * to put the buffer at the top of the function so that it is more
+ * unlikely that someone will surround it in a scope at a later time
+ * and thus introduce a bug.
+ *
* Returns 0 on success.
*/
int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
@@ -450,6 +469,9 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
char gctypeOptsBuf[sizeof("-Xgc:")-1 + PROPERTY_VALUE_MAX];
char heaptargetutilizationOptsBuf[sizeof("-XX:HeapTargetUtilization=")-1 + PROPERTY_VALUE_MAX];
char jitcodecachesizeOptsBuf[sizeof("-Xjitcodecachesize:")-1 + PROPERTY_VALUE_MAX];
+ char dalvikVmLibBuf[PROPERTY_VALUE_MAX];
+ char dex2oatFlagsBuf[PROPERTY_VALUE_MAX];
+ char dex2oatImageFlagsBuf[PROPERTY_VALUE_MAX];
char extraOptsBuf[PROPERTY_VALUE_MAX];
char* stackTraceFile = NULL;
bool checkJni = false;
@@ -461,7 +483,15 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
kEMIntFast,
kEMJitCompiler,
} executionMode = kEMDefault;
-
+ char profile_period[sizeof("-Xprofile-period:") + PROPERTY_VALUE_MAX];
+ char profile_duration[sizeof("-Xprofile-duration:") + PROPERTY_VALUE_MAX];
+ char profile_interval[sizeof("-Xprofile-interval:") + PROPERTY_VALUE_MAX];
+ char profile_backoff[sizeof("-Xprofile-backoff:") + PROPERTY_VALUE_MAX];
+ char langOption[sizeof("-Duser.language=") + 3];
+ char regionOption[sizeof("-Duser.region=") + 3];
+ char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
+ char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
+ char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
property_get("dalvik.vm.checkjni", propBuf, "");
if (strcmp(propBuf, "true") == 0) {
@@ -662,7 +692,6 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
//mOptions.add(opt);
}
- char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
property_get("dalvik.vm.lockprof.threshold", propBuf, "");
if (strlen(propBuf) > 0) {
strcpy(lockProfThresholdBuf, "-Xlockprofthreshold:");
@@ -672,7 +701,6 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
}
/* Force interpreter-only mode for selected opcodes. Eg "1-0a,3c,f1-ff" */
- char jitOpBuf[sizeof("-Xjitop:") + PROPERTY_VALUE_MAX];
property_get("dalvik.vm.jit.op", propBuf, "");
if (strlen(propBuf) > 0) {
strcpy(jitOpBuf, "-Xjitop:");
@@ -682,7 +710,6 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
}
/* Force interpreter-only mode for selected methods */
- char jitMethodBuf[sizeof("-Xjitmethod:") + PROPERTY_VALUE_MAX];
property_get("dalvik.vm.jit.method", propBuf, "");
if (strlen(propBuf) > 0) {
strcpy(jitMethodBuf, "-Xjitmethod:");
@@ -742,14 +769,26 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
mOptions.add(opt);
}
+ // libart tolerates libdvm flags, but not vice versa, so only pass some options if libart.
+ property_get("persist.sys.dalvik.vm.lib.1", dalvikVmLibBuf, "libdvm.so");
+ bool libart = (strncmp(dalvikVmLibBuf, "libart", 6) == 0);
+
+ if (libart) {
+ // Extra options for DexClassLoader.
+ property_get("dalvik.vm.dex2oat-flags", dex2oatFlagsBuf, "");
+ parseExtraOpts(dex2oatFlagsBuf, "-Xcompiler-option");
+
+ // Extra options for boot.art/boot.oat image generation.
+ property_get("dalvik.vm.image-dex2oat-flags", dex2oatImageFlagsBuf, "");
+ parseExtraOpts(dex2oatImageFlagsBuf, "-Ximage-compiler-option");
+ }
+
/* extra options; parse this late so it overrides others */
property_get("dalvik.vm.extra-opts", extraOptsBuf, "");
- parseExtraOpts(extraOptsBuf);
+ parseExtraOpts(extraOptsBuf, NULL);
/* Set the properties for locale */
{
- char langOption[sizeof("-Duser.language=") + 3];
- char regionOption[sizeof("-Duser.region=") + 3];
strcpy(langOption, "-Duser.language=");
strcpy(regionOption, "-Duser.region=");
readLocale(langOption, regionOption);
@@ -760,6 +799,37 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
mOptions.add(opt);
}
+ /*
+ * Set profiler options
+ */
+ if (libart) {
+ // Number of seconds during profile runs.
+ strcpy(profile_period, "-Xprofile-period:");
+ property_get("dalvik.vm.profile.period_secs", profile_period+17, "10");
+ opt.optionString = profile_period;
+ mOptions.add(opt);
+
+ // Length of each profile run (seconds).
+ strcpy(profile_duration, "-Xprofile-duration:");
+ property_get("dalvik.vm.profile.duration_secs", profile_duration+19, "30");
+ opt.optionString = profile_duration;
+ mOptions.add(opt);
+
+
+ // Polling interval during profile run (microseconds).
+ strcpy(profile_interval, "-Xprofile-interval:");
+ property_get("dalvik.vm.profile.interval_us", profile_interval+19, "10000");
+ opt.optionString = profile_interval;
+ mOptions.add(opt);
+
+ // Coefficient for period backoff. The the period is multiplied
+ // by this value after each profile run.
+ strcpy(profile_backoff, "-Xprofile-backoff:");
+ property_get("dalvik.vm.profile.backoff_coeff", profile_backoff+18, "2.0");
+ opt.optionString = profile_backoff;
+ mOptions.add(opt);
+ }
+
initArgs.version = JNI_VERSION_1_4;
initArgs.options = mOptions.editArray();
initArgs.nOptions = mOptions.size();
@@ -803,20 +873,23 @@ char* AndroidRuntime::toSlashClassName(const char* className)
* Passes the main function two arguments, the class name and the specified
* options string.
*/
-void AndroidRuntime::start(const char* className, const char* options)
+void AndroidRuntime::start(const char* className, const Vector<String8>& options)
{
ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
className != NULL ? className : "(unknown)");
+ static const String8 startSystemServer("start-system-server");
+
/*
* 'startSystemServer == true' means runtime is obsolete and not run from
* init.rc anymore, so we print out the boot start event here.
*/
- if (strcmp(options, "start-system-server") == 0) {
- /* track our progress through the boot sequence */
- const int LOG_BOOT_PROGRESS_START = 3000;
- LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
- ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
+ for (size_t i = 0; i < options.size(); ++i) {
+ if (options[i] == startSystemServer) {
+ /* track our progress through the boot sequence */
+ const int LOG_BOOT_PROGRESS_START = 3000;
+ LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START, ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));
+ }
}
const char* rootDir = getenv("ANDROID_ROOT");
@@ -857,17 +930,20 @@ void AndroidRuntime::start(const char* className, const char* options)
jclass stringClass;
jobjectArray strArray;
jstring classNameStr;
- jstring optionsStr;
stringClass = env->FindClass("java/lang/String");
assert(stringClass != NULL);
- strArray = env->NewObjectArray(2, stringClass, NULL);
+ strArray = env->NewObjectArray(options.size() + 1, stringClass, NULL);
assert(strArray != NULL);
classNameStr = env->NewStringUTF(className);
assert(classNameStr != NULL);
env->SetObjectArrayElement(strArray, 0, classNameStr);
- optionsStr = env->NewStringUTF(options);
- env->SetObjectArrayElement(strArray, 1, optionsStr);
+
+ for (size_t i = 0; i < options.size(); ++i) {
+ jstring optionsStr = env->NewStringUTF(options.itemAt(i).string());
+ assert(optionsStr != NULL);
+ env->SetObjectArrayElement(strArray, i + 1, optionsStr);
+ }
/*
* Start VM. This thread becomes the main thread of the VM, and will
@@ -1093,7 +1169,6 @@ static void register_jam_procs(const RegJAMProc array[], size_t count)
}
static const RegJNIRec gRegJNI[] = {
- REG_JNI(register_android_debug_JNITest),
REG_JNI(register_com_android_internal_os_RuntimeInit),
REG_JNI(register_android_os_SystemClock),
REG_JNI(register_android_util_EventLog),
@@ -1179,6 +1254,7 @@ static const RegJNIRec gRegJNI[] = {
REG_JNI(register_android_net_wifi_WifiNative),
REG_JNI(register_android_os_MemoryFile),
REG_JNI(register_com_android_internal_os_ZygoteInit),
+ REG_JNI(register_com_android_internal_os_Zygote),
REG_JNI(register_android_hardware_Camera),
REG_JNI(register_android_hardware_camera2_CameraMetadata),
REG_JNI(register_android_hardware_SensorManager),
generated by cgit v1.1 at 2025-07-03 09:18:42 +0000