238 lines
10 KiB
C#
238 lines
10 KiB
C#
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////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity - Singularity ABI
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: DiagnosisService.cs
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//
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// Note:
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//
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using System;
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using System.Runtime.CompilerServices;
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namespace Microsoft.Singularity.V1.Services
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{
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public struct DiagnosisService
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{
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int Reserved2;
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//
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// System call boundary must be unsafe to pass pointers
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// to basic types across the GC domains. But this should not be
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// directly accessable to application programs, but behind a
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// trusted safe wrapper that validates parameters and
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// enforces type safety.
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//
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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internal static extern unsafe int GCProfileSettings(
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ulong *defaultMemorySize,
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ulong *Options
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);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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internal static extern bool RegisterEventingController(
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UIntPtr controllerHandle,
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UIntPtr executionContextHandle
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);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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internal static extern bool DebugPrintLogEntry(UIntPtr controllerHandle,
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UIntPtr entryHandle);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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internal static extern bool TestKernelStorage();
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern UIntPtr OpenGlobalStorage(UIntPtr storageId);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern void CloseGlobalStorage(UIntPtr storageHandle);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe UIntPtr LogSourceEntry(UIntPtr sourceHandle,
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uint flags,
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UIntPtr eventType,
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byte * buffer,
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int size);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe UIntPtr LogSourceEntry(UIntPtr sourceHandle,
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uint flags,
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UIntPtr eventType,
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byte * buffer,
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int size,
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int stringsCount,
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void ** strings);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern UIntPtr CreateQueryView(UIntPtr storageHandle, bool forward);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern void DeleteQueryView(UIntPtr storageHandle);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe UIntPtr GetNextEntry(UIntPtr queryHandle,
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UIntPtr * type,
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UInt32 * userOffset,
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byte * buffer,
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UInt16 bufferSize );
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe bool RegisterEvent(char * eventName,
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char * eventDescription,
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UIntPtr * eventHandle);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe bool RegisterEventField(UIntPtr eventHandle,
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char * fieldName,
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UInt16 offset,
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UInt16 type);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe bool RegisterEventGenericField(UIntPtr eventHandle,
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char * fieldName,
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UInt16 offset,
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UInt16 size,
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UIntPtr fieldTypeHandle);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe bool RegisterEnum(char * enumName, UInt16 type, UIntPtr * eventHandle);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe bool RegisterEnumValue(UIntPtr eventHandle,
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char * valueName,
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UInt64 value,
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byte flagChar);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe UIntPtr WalkEventDescriptor(UIntPtr eventHandle,
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UIntPtr currentField,
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UInt16 * offset,
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UInt16 * type,
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char * bufferName,
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UInt16 bufferSize );
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe bool GetSourceInformation(UIntPtr sourceHandle,
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UIntPtr * storageHandle,
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UIntPtr * eventType,
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UInt16 * count,
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char * bufferName,
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UInt16 bufferSize );
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe int QuerySourcesList(UIntPtr * buffer, int size);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe int QueryEventTypeList(UIntPtr * buffer, int size);
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[OutsideGCDomain]
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[NoHeapAllocation]
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[StackBound(128)] // How do we get these values?
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern unsafe bool ReadActiveSourceItem(UIntPtr sourceHandle,
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int item,
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UIntPtr * type,
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byte * buffer,
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UInt16 bufferSize );
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//
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// The signature offered to our caller is safe
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//
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public static int GCProfileSettingsImpl(
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out ulong defaultMemorySize,
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out ulong Options
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)
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{
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int retval;
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// This keeps unsafe blocks well contained
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unsafe {
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//
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// Note: Would it be more efficient to declare local stack
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// variables and reference these under fixed rather
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// than locking the caller supplied references which
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// may point to class fields and involve more complicated
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// GC interactions?
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//
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fixed (ulong*
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pdefaultMemorySize = &defaultMemorySize,
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pOptions = &Options
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) {
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retval = DiagnosisService.GCProfileSettings(
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pdefaultMemorySize,
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pOptions
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);
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}
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}
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return retval;
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}
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}
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}
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