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author | Barry Hayes <bhayes@google.com> | 2010-02-03 10:58:18 -0800 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2010-02-03 10:58:18 -0800 |
commit | 6511fe9c9dcb2ba3e4d7891f5bbd750e703c08f0 (patch) | |
tree | 11f41a667e32b00c2050adf8777a6ffb10b8d760 | |
parent | d5bb7ef77ee23236f25beffce7e0f726922c86fd (diff) | |
parent | c2b3217823444792b52d621b3cd024d64c3338e3 (diff) | |
download | frameworks_base-6511fe9c9dcb2ba3e4d7891f5bbd750e703c08f0.zip frameworks_base-6511fe9c9dcb2ba3e4d7891f5bbd750e703c08f0.tar.gz frameworks_base-6511fe9c9dcb2ba3e4d7891f5bbd750e703c08f0.tar.bz2 |
Merge "Add a "dalvik.vm.gc.overwritefree" property. When set to "true", the VM will be given the "-Xgc:overwritefree" flag, and the GC will clobber the memory of freed objects."
-rw-r--r-- | core/jni/AndroidRuntime.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/core/jni/AndroidRuntime.cpp b/core/jni/AndroidRuntime.cpp index fa1ee0d..1d22de3 100644 --- a/core/jni/AndroidRuntime.cpp +++ b/core/jni/AndroidRuntime.cpp @@ -656,6 +656,15 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv) } } + /* enable poisoning of memory of freed objects */ + property_get("dalvik.vm.gc.overwritefree", propBuf, "false"); + if (strcmp(propBuf, "true") == 0) { + opt.optionString = "-Xgc:overwritefree"; + mOptions.add(opt); + } else if (strcmp(propBuf, "false") != 0) { + LOGW("dalvik.vm.gc.overwritefree should be 'true' or 'false'"); + } + /* enable debugging; set suspend=y to pause during VM init */ #ifdef HAVE_ANDROID_OS /* use android ADB transport */ |