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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.oracle.svm.core.windows;
import org.graalvm.nativeimage.ImageSingletons;
import org.graalvm.nativeimage.StackValue;
import org.graalvm.nativeimage.c.struct.SizeOf;
import org.graalvm.nativeimage.hosted.Feature;
import org.graalvm.word.UnsignedWord;
import org.graalvm.word.WordFactory;
import com.oracle.svm.core.annotate.AutomaticFeature;
import com.oracle.svm.core.heap.PhysicalMemory;
import com.oracle.svm.core.windows.headers.SysinfoAPI;
class WindowsPhysicalMemory extends PhysicalMemory {
static class WindowsPhysicalMemorySupportImpl implements PhysicalMemorySupport {
@Override
public UnsignedWord size() {
SysinfoAPI.MEMORYSTATUSEX memStatusEx = StackValue.get(SysinfoAPI.MEMORYSTATUSEX.class);
memStatusEx.set_dwLength(SizeOf.get(SysinfoAPI.MEMORYSTATUSEX.class));
SysinfoAPI.GlobalMemoryStatusEx(memStatusEx);
return WordFactory.unsigned(memStatusEx.ullTotalPhys());
}
}
@AutomaticFeature
static class PhysicalMemoryFeature implements Feature {
@Override
public void afterRegistration(AfterRegistrationAccess access) {
ImageSingletons.add(PhysicalMemorySupport.class, new WindowsPhysicalMemorySupportImpl());
}
}
}