Add VMRuntime.isBootClassPathOnDisk

Bug: 17679443

(cherry picked from commit 75c02d71f2345d9f19e9c36dd75c3d08d9f562dc)

Change-Id: I4cf9113dfedb2981dc9ce219c96fe1f71f4e0e98

1 files changed, 13 insertions, 0 deletions

diff --git a/libart/src/main/java/dalvik/system/VMRuntime.java b/libart/src/main/java/dalvik/system/VMRuntime.java
index fca64c7..f778af0 100644
--- a/libart/src/main/java/dalvik/system/VMRuntime.java
+++ b/libart/src/main/java/dalvik/system/VMRuntime.java
@@ -340,4 +340,17 @@ public final class VMRuntime {
     public static boolean is64BitAbi(String abi) {
         return is64BitInstructionSet(getInstructionSet(abi));
     }
+
+    /**
+     * Return false if the boot class path for the given instruction
+     * set mapped from disk storage, versus being interpretted from
+     * dirty pages in memory.
+     */
+    public static native boolean isBootClassPathOnDisk(String instructionSet);
+
+    /**
+     * Returns the instruction set of the current runtime.
+     */
+    public static native String getCurrentInstructionSet();
+
 }