Remove libsigchain from LD_PRELOADS
Link sigchain.cc statically with dalvikvm, app_process,
surfaceflinger, dex2oat, patchoat and objdump.
Replace libsigchain.so with dummy implementaions to avoid
situations when it is used incorrectly.
Bug: 15345057
Bug: 15426766
Change-Id: If0b7f59a59824e30aa0c33dad76c7a44932180de
diff --git a/sigchainlib/version-script.txt b/sigchainlib/version-script.txt
new file mode 100644
index 0000000..8030da4
--- /dev/null
+++ b/sigchainlib/version-script.txt
@@ -0,0 +1,12 @@
+{
+global:
+ ClaimSignalChain;
+ UnclaimSignalChain;
+ InvokeUserSignalHandler;
+ InitializeSignalChain;
+ sigaction;
+ signal;
+ sigprocmask;
+local:
+ *;
+};