Update the handling of the native bridge property.

ro.dalvik.vm.native.bridge is expected to be always be set. A value of
"0" means that the native bridge is disabled and that no value should be
passed to the runtime.

Bug: 17104449

(cherry picked from commit 831bd75b2bbc126f02578a967e925271b9cac6d3)

Change-Id: Ib483ac8e96bdc66af2725815807d4deb36fb36ab

1 files changed, 10 insertions, 2 deletions

diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 096d4cdc2518..f900a647b4db 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -875,9 +875,17 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
         parseRuntimeOption("dalvik.vm.profile.max-stack-depth",
                            profileMaxStackDepth,
                            "-Xprofile-max-stack-depth:");
-    }
 
-    parseRuntimeOption("ro.dalvik.vm.native.bridge", nativeBridgeLibrary, "-XX:NativeBridge=");
+        // Native bridge library. "0" means that native bridge is disabled.
+        property_get("ro.dalvik.vm.native.bridge", propBuf, "");
+        if (propBuf[0] == '\0') {
+            ALOGW("ro.dalvik.vm.native.bridge is not expected to be empty");
+        } else if (strcmp(propBuf, "0") != 0) {
+            snprintf(nativeBridgeLibrary, sizeof("-XX:NativeBridge=") + PROPERTY_VALUE_MAX,
+                     "-XX:NativeBridge=%s", propBuf);
+            addOption(nativeBridgeLibrary);
+        }
+    }
 
     initArgs.version = JNI_VERSION_1_4;
     initArgs.options = mOptions.editArray();