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6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash

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Test minimal stack sizes given (also fixed linux compilation error)

Reviewed-by: never, phh, coleenp
This commit is contained in:
Pavel Tisnovsky 2010-08-19 14:23:59 -04:00
parent ae38e974f0
commit b002fe5992
3 changed files with 28 additions and 2 deletions
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4
hotspot/src/share/vm/memory/allocation.cpp
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@ -58,7 +58,7 @@ void* ResourceObj::operator new(size_t size, allocation_type type) {
void ResourceObj::operator delete(void* p) {
assert(((ResourceObj *)p)->allocated_on_C_heap(),
"delete only allowed for C_HEAP objects");
DEBUG_ONLY(((ResourceObj *)p)->_allocation = badHeapOopVal;)
DEBUG_ONLY(((ResourceObj *)p)->_allocation = (uintptr_t)badHeapOopVal;)
FreeHeap(p);
}
@ -104,7 +104,7 @@ ResourceObj& ResourceObj::operator=(const ResourceObj& r) { // default copy assi
ResourceObj::~ResourceObj() {
// allocated_on_C_heap() also checks that encoded (in _allocation) address == this.
if (!allocated_on_C_heap()) { // ResourceObj::delete() zaps _allocation for C_heap.
_allocation = badHeapOopVal; // zap type
_allocation = (uintptr_t)badHeapOopVal; // zap type
}
}
#endif // ASSERT