Automatically create non-/data dalvik-cache directories

Bug: 14471634
Change-Id: Ie8ae4537102352dc1b270e9b65e681adf3631a80
diff --git a/runtime/utils.cc b/runtime/utils.cc
index ee2cca4..c332bdf 100644
--- a/runtime/utils.cc
+++ b/runtime/utils.cc
@@ -1169,10 +1169,12 @@
 
 std::string GetDalvikCacheOrDie(const char* subdir, const bool create_if_absent) {
   CHECK(subdir != nullptr);
-  const std::string dalvik_cache_root(StringPrintf("%s/dalvik-cache/", GetAndroidData()));
+  const char* android_data = GetAndroidData();
+  const std::string dalvik_cache_root(StringPrintf("%s/dalvik-cache/", android_data));
   const std::string dalvik_cache = dalvik_cache_root + subdir;
   if (create_if_absent && !OS::DirectoryExists(dalvik_cache.c_str())) {
-    if (StartsWith(dalvik_cache_root, "/tmp/")) {
+    // Don't create the system's /data/dalvik-cache/... because it needs special permissions.
+    if (strcmp(android_data, "/data") != 0) {
       int result = mkdir(dalvik_cache_root.c_str(), 0700);
       if (result != 0 && errno != EEXIST) {
         PLOG(FATAL) << "Failed to create dalvik-cache directory " << dalvik_cache_root;
diff --git a/test/etc/push-and-run-test-jar b/test/etc/push-and-run-test-jar
index e0d2f1d..6cf7998 100755
--- a/test/etc/push-and-run-test-jar
+++ b/test/etc/push-and-run-test-jar
@@ -150,7 +150,7 @@
 
 JNI_OPTS="-Xjnigreflimit:512 -Xcheck:jni"
 
-cmdline="cd $DEX_LOCATION && mkdir -p dalvik-cache/{arm,arm64,mips,x86,x86_64} && export ANDROID_DATA=$DEX_LOCATION && export DEX_LOCATION=$DEX_LOCATION && \
+cmdline="cd $DEX_LOCATION && export ANDROID_DATA=$DEX_LOCATION && export DEX_LOCATION=$DEX_LOCATION && \
     $INVOKE_WITH $gdb /system/bin/dalvikvm$TARGET_SUFFIX $FLAGS $gdbargs -XXlib:$LIB $ZYGOTE $JNI_OPTS $INT_OPTS $DEBUGGER_OPTS $BOOT_OPT -cp $DEX_LOCATION/$TEST_NAME.jar Main"
 if [ "$DEV_MODE" = "y" ]; then
   echo $cmdline "$@"