libsigchain: intercept bsd_signal on lp32
bsd_signal is a deprecated synonym for the signal. Nevertheless
there are apps and libraries calling this function.
libsigchain needs to intercept these calls and handle them the same
way it handles signal() call.
Bug: http://b/30562229
Test: readelf --dyn-sym app_process32 and check that bsd_signal is exported
readelf --dyn-sym app_process64 and check that bsd_signal is not exported
Change-Id: I3aa41632bb015568d8524a82f1c97e4443ec0d6c
diff --git a/sigchainlib/version-script32.txt b/sigchainlib/version-script32.txt
new file mode 100644
index 0000000..eec9103
--- /dev/null
+++ b/sigchainlib/version-script32.txt
@@ -0,0 +1,15 @@
+{
+global:
+ ClaimSignalChain;
+ UnclaimSignalChain;
+ InvokeUserSignalHandler;
+ InitializeSignalChain;
+ EnsureFrontOfChain;
+ SetSpecialSignalHandlerFn;
+ bsd_signal;
+ sigaction;
+ signal;
+ sigprocmask;
+local:
+ *;
+};