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7199092: NMT: NMT needs to deal overlapped virtual memory ranges

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Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.

Reviewed-by: acorn, coleenp
This commit is contained in:
Zhengyu Gu 2012-10-19 21:40:07 -04:00
parent 240b5c9329
commit 3e481cdd81
29 changed files with 800 additions and 364 deletions
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hotspot/src/share/vm/runtime/handles.hpp
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@ -297,6 +297,7 @@ class HandleMark {
void set_previous_handle_mark(HandleMark* mark) { _previous_handle_mark = mark; }
HandleMark* previous_handle_mark() const { return _previous_handle_mark; }
size_t size_in_bytes() const { return _size_in_bytes; }
public:
HandleMark(); // see handles_inline.hpp
HandleMark(Thread* thread) { initialize(thread); }