Frameworks/base: Hand fingerprint to ART

To allow ANR dumps to be symbolized easily, hand the build
fingerprint to the runtime.

Bug: 22693991

(cherry picked from commit e60825033fdde9eefaeec768a28b907e2d22f10c)

Change-Id: Ibd3d3b3bd65dce84acfb97a487807d6f280a9508

1 files changed, 7 insertions, 0 deletions

diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 6cc2cabf9189..7e7b74a2d5d5 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -589,6 +589,7 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
     char cpuAbiListBuf[sizeof("--cpu-abilist=") + PROPERTY_VALUE_MAX];
     char methodTraceFileBuf[sizeof("-Xmethod-trace-file:") + PROPERTY_VALUE_MAX];
     char methodTraceFileSizeBuf[sizeof("-Xmethod-trace-file-size:") + PROPERTY_VALUE_MAX];
+    char fingerprintBuf[sizeof("-Xfingerprint:") + PROPERTY_VALUE_MAX];
 
     bool checkJni = false;
     property_get("dalvik.vm.checkjni", propBuf, "");
@@ -906,6 +907,12 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
         addOption("--generate-debug-info");
     }
 
+    /*
+     * Retrieve the build fingerprint and provide it to the runtime. That way, ANR dumps will
+     * contain the fingerprint and can be parsed.
+     */
+    parseRuntimeOption("ro.build.fingerprint", fingerprintBuf, "-Xfingerprint:");
+
     initArgs.version = JNI_VERSION_1_4;
     initArgs.options = mOptions.editArray();
     initArgs.nOptions = mOptions.size();