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8046936: JEP 270: Reserved Stack Areas for Critical Sections

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Reviewed-by: acorn, dcubed
This commit is contained in:
Frederic Parain 2015-12-11 09:07:07 -08:00
parent f6440f7fb1
commit ef800bd53f
69 changed files with 987 additions and 64 deletions
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5
hotspot/src/share/vm/runtime/os.cpp
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@ -1386,8 +1386,9 @@ bool os::stack_shadow_pages_available(Thread *thread, const methodHandle& method
// respectively.
const int framesize_in_bytes =
Interpreter::size_top_interpreter_activation(method()) * wordSize;
int reserved_area = ((StackShadowPages + StackRedPages + StackYellowPages)
* vm_page_size()) + framesize_in_bytes;
int reserved_area = ((StackShadowPages + StackRedPages + StackYellowPages
+ StackReservedPages) * vm_page_size())
+ framesize_in_bytes;
// The very lower end of the stack
address stack_limit = thread->stack_base() - thread->stack_size();
return (sp > (stack_limit + reserved_area));