Libcore: Add VMRuntime.hasBootImageSpaces

Expose to the system whether ART is using a boot image.

Test: m
Test: system boots
Change-Id: I087c269dd1e95eeeab5db4250133f9c61e9399c7

1 files changed, 10 insertions, 0 deletions

diff --git a/libart/src/main/java/dalvik/system/VMRuntime.java b/libart/src/main/java/dalvik/system/VMRuntime.java
index 59dd917aab..602d0f5a72 100644
--- a/libart/src/main/java/dalvik/system/VMRuntime.java
+++ b/libart/src/main/java/dalvik/system/VMRuntime.java
@@ -469,6 +469,16 @@ public final class VMRuntime {
     public static native boolean isBootClassPathOnDisk(String instructionSet);
 
     /**
+     * Returns whether the runtime is using a boot image.
+     *
+     * <p>While isBootClassPathOnDisk checks for the existence of an image file on disk,
+     * this method queries the runtime whether it is <em>using</em> an image.
+     */
+    @libcore.api.CorePlatformApi
+    @FastNative
+    public static native boolean hasBootImageSpaces();
+
+    /**
      * Returns the instruction set of the current runtime.
      */
     @libcore.api.CorePlatformApi