14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef OS_WINDOWS_GC_Z_ZPHYSICALMEMORYBACKING_WINDOWS_HPP
25 #define OS_WINDOWS_GC_Z_ZPHYSICALMEMORYBACKING_WINDOWS_HPP
26
27 #include "gc/z/zGranuleMap.hpp"
28
29 #include <Windows.h>
30
31 class ZPhysicalMemoryBacking {
32 private:
33 ZGranuleMap<HANDLE> _handles;
34 size_t _size;
35
36 HANDLE get_handle(uintptr_t offset) const;
37 void put_handle(uintptr_t offset, HANDLE handle);
38 void clear_handle(uintptr_t offset);
39
40 size_t commit_from_paging_file(size_t offset, size_t size);
41 size_t uncommit_from_paging_file(size_t offset, size_t size);
42
43 public:
44 ZPhysicalMemoryBacking();
45
46 bool is_initialized() const;
47
48 void warn_commit_limits(size_t max) const;
49
50 size_t size() const;
51
52 size_t commit(size_t offset, size_t length);
53 size_t uncommit(size_t offset, size_t length);
54
55 void map(uintptr_t addr, size_t size, size_t offset) const;
56 void unmap(uintptr_t addr, size_t size) const;
57 };
58
59 #endif // OS_WINDOWS_GC_Z_ZPHYSICALMEMORYBACKING_WINDOWS_HPP
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14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef OS_WINDOWS_GC_Z_ZPHYSICALMEMORYBACKING_WINDOWS_HPP
25 #define OS_WINDOWS_GC_Z_ZPHYSICALMEMORYBACKING_WINDOWS_HPP
26
27 #include "gc/z/zGranuleMap.hpp"
28
29 #include <Windows.h>
30
31 class ZPhysicalMemoryBacking {
32 private:
33 ZGranuleMap<HANDLE> _handles;
34
35 HANDLE get_handle(uintptr_t offset) const;
36 void put_handle(uintptr_t offset, HANDLE handle);
37 void clear_handle(uintptr_t offset);
38
39 size_t commit_from_paging_file(size_t offset, size_t size);
40 size_t uncommit_from_paging_file(size_t offset, size_t size);
41
42 public:
43 ZPhysicalMemoryBacking(size_t max_capacity);
44
45 bool is_initialized() const;
46
47 void warn_commit_limits(size_t max) const;
48
49 size_t commit(size_t offset, size_t length);
50 size_t uncommit(size_t offset, size_t length);
51
52 void map(uintptr_t addr, size_t size, size_t offset) const;
53 void unmap(uintptr_t addr, size_t size) const;
54 };
55
56 #endif // OS_WINDOWS_GC_Z_ZPHYSICALMEMORYBACKING_WINDOWS_HPP
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