am ec64c0b6: am 022b1ba1: Merge "Core/jni: Disallow relocation for decryption"

* commit 'ec64c0b6e639b743398fb543218100fdaf9a7f69':
  Core/jni: Disallow relocation for decryption

1 files changed, 8 insertions, 0 deletions

diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp
index 149d7bcb5f0f..88fa8f77e8eb 100644
--- a/core/jni/AndroidRuntime.cpp
+++ b/core/jni/AndroidRuntime.cpp
@@ -696,6 +696,14 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
     if (skip_compilation) {
         addOption("-Xcompiler-option");
         addOption("--compiler-filter=verify-none");
+
+        // We skip compilation when a minimal runtime is brought up for decryption. In that case
+        // /data is temporarily backed by a tmpfs, which is usually small.
+        // If the system image contains prebuilts, they will be relocated into the tmpfs. In this
+        // specific situation it is acceptable to *not* relocate and run out of the prebuilts
+        // directly instead.
+        addOption("--runtime-arg");
+        addOption("-Xnorelocate");
     } else {
         parseCompilerOption("dalvik.vm.dex2oat-filter", dex2oatCompilerFilterBuf,
                             "--compiler-filter=", "-Xcompiler-option");