[vmkit-commits] [vmkit] r103380 - /vmkit/trunk/include/mvm/Threads/Thread.h

[Nicolas Geoffray]

Author: geoffray
Date: Sun May  9 10:35:42 2010
New Revision: 103380

URL: http://llvm.org/viewvc/llvm-project?rev=103380&view=rev
Log:
Add a stackOverflow method to check for Java stack overflow in C++ land.


Modified:
    vmkit/trunk/include/mvm/Threads/Thread.h

Modified: vmkit/trunk/include/mvm/Threads/Thread.h
URL: http://llvm.org/viewvc/llvm-project/vmkit/trunk/include/mvm/Threads/Thread.h?rev=103380&r1=103379&r2=103380&view=diff
==============================================================================
--- vmkit/trunk/include/mvm/Threads/Thread.h (original)
+++ vmkit/trunk/include/mvm/Threads/Thread.h Sun May  9 10:35:42 2010
@@ -339,6 +339,12 @@
   ///
   static const uint64_t StackOverflowMask = 0xC0000;
 
+  /// stackOverflow - Returns if there is a stack overflow in Java land.
+  ///
+  bool stackOverflow() {
+    return ((uintptr_t)__builtin_frame_address(0) & StackOverflowMask) == 0;
+  }
+
   /// operator new - Allocate the Thread object as well as the stack for this
   /// Thread. The thread object is inlined in the stack.
   ///