internal static void Initialize(UIntPtr systemMemorySize)
{
allocPtr = MemoryManager.AllocateMemory(systemMemorySize);
limitPtr = allocPtr + systemMemorySize;
if (GC.gcType != GCType.NullCollector)
{
PageManager.SetStaticDataPages(allocPtr, systemMemorySize);
#if !SINGULARITY
PageTable.SetProcess(PageTable.Page(allocPtr),
PageTable.PageCount(systemMemorySize));
#endif
}
}
internal static void Initialize()
{
for (int section = 0; section < sectionCount; section++)
{
UIntPtr startAddr = (UIntPtr)dataSectionBase[section];
startAddr = PageTable.PageAlign(startAddr);
UIntPtr size = (UIntPtr)dataSectionEnd[section] - startAddr;
size = PageTable.PagePad(size);
PageManager.SetStaticDataPages(startAddr, size);
}
for (int section = 0; section < sectionCount; section++)
{
UIntPtr startAddr = (UIntPtr)roDataSectionBase[section];
startAddr = PageTable.PageAlign(startAddr);
UIntPtr size = (UIntPtr)roDataSectionEnd[section] - startAddr;
size = PageTable.PagePad(size);
PageManager.SetStaticDataPages(startAddr, size);
}
}
public static unsafe void Initialize()
{
maxEntries = 1 << 16;
VTable UIntPtrArrayVtable =
((RuntimeType)typeof(UIntPtr[])).classVtable;
tableSize =
ObjectLayout.ArraySize(UIntPtrArrayVtable, maxEntries);
// Allocate a pool for ZCT
BumpAllocator entryPool = new BumpAllocator(PageType.NonGC);
UIntPtr memStart = MemoryManager.AllocateMemory(tableSize);
entryPool.SetZeroedRange(memStart, tableSize);
PageManager.SetStaticDataPages(memStart, tableSize);
// Initialize ZCT
zeroCountTable = (UIntPtr[])
DeferredReferenceCountingCollector.
AllocateArray(ref entryPool,
UIntPtrArrayVtable,
tableSize);
VTable.Assert(zeroCountTable != null,
@"zeroCountTable != null");
*(uint *)(Magic.addressOf(zeroCountTable) + PostHeader.Size) =
maxEntries;
VTable.Assert(zeroCountTable.Length == maxEntries,
@"zeroCountTable.Length == maxEntries");
// Build ZCT freeEntries list
freeHead = 1;
for (uint i = 1; i < maxEntries - 1; i++)
{
zeroCountTable[i] = (UIntPtr)(((i + 1) << 2) | 0x01);
}
zeroCountTable[maxEntries - 1] = (UIntPtr)0x01;
zctGarbagePicker =
(ZCTGarbagePicker)BootstrapMemory.
Allocate(typeof(ZCTGarbagePicker));
}
internal static unsafe bool AccumulateRCUpdates(String methodName,
int methodIndex,
uint maxIndex,
AcctRecord rec)
{
VTable.Assert(RCCollector.ProfilingMode,
@"RCCollector.ProfilingMode");
// Return if the page table hasn't been set up yet.
if (PageTable.pageTableCount == UIntPtr.Zero)
{
return(false);
}
if (methods == null)
{
// Allocate up front storage for the accounting records.
//
// This is requisitioned directly from the memory
// manager. Care should be taken to ensure that
// AccumulateRCUpdates does not indirectly call
// methods that may have compiler-inserted RC updates.
VTable vtable =
((RuntimeType)typeof(AcctRecord[])).classVtable;
UIntPtr size =
ObjectLayout.ArraySize(vtable, maxIndex + 1);
BumpAllocator profileData =
new BumpAllocator(PageType.NonGC);
UIntPtr profileDataStart =
MemoryManager.AllocateMemory(size);
profileData.SetRange(profileDataStart, size);
PageManager.SetStaticDataPages(profileDataStart, size);
methods =
(AcctRecord[])Allocate(ref profileData, vtable, size);
VTable.Assert(methods != null,
@"methods != null");
*(uint *)(Magic.addressOf(methods) +
PostHeader.Size) = maxIndex + 1;
}
VTable.Assert(methods.Length == maxIndex + 1,
@"methods.Length == maxIndex+1");
if (methods[methodIndex].methodName == null)
{
methodNames[methodIndex].methodName = methodName;
}
// Not "methodNames[methodIndex].methodName == methodName"
// because the Equality operator carries compiler-inserted
// RC updates!
VTable.Assert(Magic.addressOf(methodNames[methodIndex].
methodName) ==
Magic.addressOf(methodName),
@"Magic.addressOf(methodNames[methodIndex].
methodName) ==
Magic.addressOf(methodName)");
methods[methodIndex] += rec;
return(true);
}
