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Merge "Allow to attach jvmti agents from inside of process"

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am: faffb072a4

Change-Id: I1f87e45ad3a7c93ab3ba7fd27ac57a1768885faa
This commit is contained in:
Philip P. Moltmann
2017-11-06 20:46:12 +00:00
committed by android-build-merger
parent 50fb8ff6da faffb072a4
commit 491058e089
4 changed files with 26 additions and 0 deletions
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1
api/current.txt
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@@ -30727,6 +30727,7 @@ package android.os {
}
public final class Debug {
method public static void attachJvmtiAgent(java.lang.String, java.lang.String) throws java.io.IOException;
method public static deprecated void changeDebugPort(int);
method public static void dumpHprofData(java.lang.String) throws java.io.IOException;
method public static boolean dumpService(java.lang.String, java.io.FileDescriptor, java.lang.String[]);

1
api/system-current.txt
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@@ -33450,6 +33450,7 @@ package android.os {
}
public final class Debug {
method public static void attachJvmtiAgent(java.lang.String, java.lang.String) throws java.io.IOException;
method public static deprecated void changeDebugPort(int);
method public static void dumpHprofData(java.lang.String) throws java.io.IOException;
method public static boolean dumpService(java.lang.String, java.io.FileDescriptor, java.lang.String[]);

1
api/test-current.txt
View File

@@ -30837,6 +30837,7 @@ package android.os {
}
public final class Debug {
method public static void attachJvmtiAgent(java.lang.String, java.lang.String) throws java.io.IOException;
method public static deprecated void changeDebugPort(int);
method public static void dumpHprofData(java.lang.String) throws java.io.IOException;
method public static boolean dumpService(java.lang.String, java.io.FileDescriptor, java.lang.String[]);

23
core/java/android/os/Debug.java
View File

@@ -16,11 +16,14 @@
package android.os;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.AppGlobals;
import android.content.Context;
import android.util.Log;
import com.android.internal.util.FastPrintWriter;
import com.android.internal.util.Preconditions;
import com.android.internal.util.TypedProperties;
import dalvik.system.VMDebug;
@@ -2336,4 +2339,24 @@ public final class Debug
public static String getCaller() {
return getCaller(Thread.currentThread().getStackTrace(), 0);
}
/**
* Attach a library as a jvmti agent to the current runtime.
*
* @param library library containing the agent
* @param options options passed to the agent
*
* @throws IOException If the agent could not be attached
*/
public static void attachJvmtiAgent(@NonNull String library, @Nullable String options)
throws IOException {
Preconditions.checkNotNull(library);
Preconditions.checkArgument(!library.contains("="));
if (options == null) {
VMDebug.attachAgent(library);
} else {
VMDebug.attachAgent(library + "=" + options);
}
}
}