Move gDebuggerPresent to libRS.so, and fix up driver after split.

Now that libRS.so has been split into public/private libraries, we must
also move gDebuggerPresent into the public side. lldb uses this as a
flag to indicate that the driver can proceed (after waiting for the
debugger to attach).

Change-Id: I4c8f5c466644a51d50368ac8dd91f0bfd699302d

1 files changed, 11 insertions, 0 deletions

diff --git a/rsApiContext.cpp b/rsApiContext.cpp
index a5c7c3fd..8cb29930 100644
--- a/rsApiContext.cpp
+++ b/rsApiContext.cpp
@@ -24,8 +24,19 @@
 using namespace android;
 using namespace android::renderscript;
 
+/*
+ * This global will be found by the debugger and will have its value flipped.
+ * It's independent of the Context class to allow the debugger to do the above
+ * without knowing the type makeup. This allows the debugger to be attached at
+ * an earlier stage.
+ */
+extern "C" int gDebuggerPresent = 0;
+
 extern "C" RsContext rsContextCreate(RsDevice vdev, uint32_t version, uint32_t sdkVersion,
                                       RsContextType ct, uint32_t flags) {
+    if (!gInternalDebuggerPresent) {
+        gInternalDebuggerPresent = &gDebuggerPresent;
+    }
     //ALOGV("rsContextCreate dev=%p", vdev);
     Device * dev = static_cast<Device *>(vdev);
     Context *rsc = Context::createContext(dev, nullptr, ct, flags);