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am ff8dc212: Allow debugging only for apps forked from zygote

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* commit 'ff8dc21278b19b22ed8dc9f9475850838336d351':
  Allow debugging only for apps forked from zygote
This commit is contained in:
Sebastien Hertz
2015-08-21 07:01:02 +00:00
committed by Android Git Automerger
parent 7f63ef380f ff8dc21278
commit 445ab7fa43
3 changed files with 14 additions and 10 deletions
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4
cmds/app_process/app_main.cpp
View File

@ -304,9 +304,9 @@ int main(int argc, char* const argv[])
}
if (zygote) {
runtime.start("com.android.internal.os.ZygoteInit", args);
runtime.start("com.android.internal.os.ZygoteInit", args, zygote);
} else if (className) {
runtime.start("com.android.internal.os.RuntimeInit", args);
runtime.start("com.android.internal.os.RuntimeInit", args, zygote);
} else {
fprintf(stderr, "Error: no class name or --zygote supplied.\n");
app_usage();

14
core/jni/AndroidRuntime.cpp
View File

@ -528,7 +528,7 @@ bool AndroidRuntime::parseCompilerRuntimeOption(const char* property,
*
* Returns 0 on success.
*/
int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote)
{
int result = -1;
JavaVMInitArgs initArgs;
@ -733,9 +733,13 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
}
}
/* enable debugging; set suspend=y to pause during VM init */
/* use android ADB transport */
/*
* Enable debugging only for apps forked from zygote.
* Set suspend=y to pause during VM init and use android ADB transport.
*/
if (zygote) {
addOption("-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y");
}
parseRuntimeOption("dalvik.vm.lockprof.threshold",
lockProfThresholdBuf,
@ -943,7 +947,7 @@ jstring AndroidRuntime::NewStringLatin1(JNIEnv* env, const char* bytes) {
* Passes the main function two arguments, the class name and the specified
* options string.
*/
void AndroidRuntime::start(const char* className, const Vector<String8>& options)
void AndroidRuntime::start(const char* className, const Vector<String8>& options, bool zygote)
{
ALOGD("\n>>>>>> AndroidRuntime START %s <<<<<<\n",
className != NULL ? className : "(unknown)");
@ -979,7 +983,7 @@ void AndroidRuntime::start(const char* className, const Vector<String8>& options
JniInvocation jni_invocation;
jni_invocation.Init(NULL);
JNIEnv* env;
if (startVm(&mJavaVM, &env) != 0) {
if (startVm(&mJavaVM, &env, zygote) != 0) {
return;
}
onVmCreated(env);

4
include/android_runtime/AndroidRuntime.h
View File

@ -64,7 +64,7 @@ public:
*/
static jclass findClass(JNIEnv* env, const char* className);
void start(const char *classname, const Vector<String8>& options);
void start(const char *classname, const Vector<String8>& options, bool zygote);
void exit(int code);
@ -131,7 +131,7 @@ private:
const char* runtimeArg,
const char* quotingArg);
void parseExtraOpts(char* extraOptsBuf, const char* quotingArg);
int startVm(JavaVM** pJavaVM, JNIEnv** pEnv);
int startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote);
Vector<JavaVMOption> mOptions;
bool mExitWithoutCleanup;