src/cpu/zero/vm/stack_zero.inline.hpp

@  rev 7209 : Zero+PPC64: Stack overflow when running Maven
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@@ -45,12 +45,13 @@
 }
 
 // This method returns the amount of ABI stack available for us
 // to use under normal circumstances.  Note that the returned
 // value can be negative.
-inline int ZeroStack::abi_stack_available(Thread *thread) const {
-  int stack_used = thread->stack_base() - (address) &stack_used;
-  int stack_free = thread->stack_size() - stack_used;
-  return stack_free - shadow_pages_size();
+inline ssize_t ZeroStack::abi_stack_available(Thread *thread) const {
+  ssize_t stack_used = thread->stack_base() - (address) &stack_used
+    + (StackYellowPages+StackRedPages+StackShadowPages) * os::vm_page_size();
+  ssize_t stack_free = thread->stack_size() - stack_used;
+  return stack_free;
 }
 
 #endif // CPU_ZERO_VM_STACK_ZERO_INLINE_HPP