66 lines
2.2 KiB
C#
66 lines
2.2 KiB
C#
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///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: Breaker.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.Text;
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using System.Runtime.CompilerServices;
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using Microsoft.Singularity;
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namespace Microsoft.Singularity.Applications
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{
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public class Breaker
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{
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private static Object ToObject(StringBuilder sb)
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{
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return (Object)sb;
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}
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public static void Break(int how)
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{
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if (how == 2) {
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Console.WriteLine("Breaking into kernel debugger with write to page zero.");
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DebugStub.WriteLine("About to write to page zero.");
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StringBuilder sb = new StringBuilder(128);
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Object o = ToObject(sb);
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unsafe {
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byte *buffer = null;
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*buffer = 0xff;
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}
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sb = new StringBuilder(256);
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DebugStub.WriteLine("sb={0}, o={1}", __arglist(sb, o));
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}
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else if (how == 1) {
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Console.WriteLine("Breaking into kernel debugger with read from page zero.");
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DebugStub.WriteLine("About to read from page zero.");
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StringBuilder sb = new StringBuilder(128);
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Object o = ToObject(sb);
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byte b;
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unsafe {
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byte *buffer = null;
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b = *buffer;
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}
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sb = new StringBuilder(256);
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DebugStub.WriteLine("sb={0}, o={1}, b={2}", __arglist(sb, o, b));
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}
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else if (how == 2) {
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Console.WriteLine("Breaking into kernel debugger.");
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DebugStub.WriteLine("About to break into kernel debugger");
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StringBuilder sb = new StringBuilder(128);
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Object o = ToObject(sb);
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DebugStub.Break();
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sb = new StringBuilder(256);
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DebugStub.WriteLine("sb={0}, o={1}", __arglist(sb, o));
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}
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}
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}
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}
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