зеркало из https://github.com/mozilla/pjs.git
102 строки
2.3 KiB
C++
102 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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// Breakpoint.cpp
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//
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// Scott M. Silver
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#include "Breakpoints.h"
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#include "Debugee.h"
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#include <windows.h>
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#include <assert.h>
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#include "Win32Util.h"
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Vector<Breakpoint*> BreakpointManager::sBreakpoints;
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Breakpoint& BreakpointManager::
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newBreakpoint(DebugeeProcess& inProcess, void* inWhere, bool inGlobal, bool inEnabled)
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{
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Breakpoint* newBp = new Breakpoint(*(inProcess.getMainThread()), inWhere, inGlobal, inEnabled);
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sBreakpoints.append(newBp);
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return (*newBp);
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}
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Breakpoint& BreakpointManager::
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newBreakpoint(DebugeeThread& inThread, void* inWhere, bool inGlobal, bool inEnabled)
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{
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Breakpoint* newBp = new Breakpoint(inThread, inWhere, inGlobal, inEnabled);
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sBreakpoints.append(newBp);
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return (*newBp);
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}
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Breakpoint* BreakpointManager::
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findBreakpoint(void* inAddress)
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{
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Breakpoint** curBreakpoint;
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for(curBreakpoint = sBreakpoints.begin(); curBreakpoint < sBreakpoints.end(); curBreakpoint++)
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if ((*curBreakpoint)->mAddress == inAddress)
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return *curBreakpoint;
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return (NULL);
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}
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void Breakpoint::
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replace()
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{
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BYTE expectedDebugger;
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if (!mThread.getProcess().readMemory(mAddress, &expectedDebugger, 1))
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{
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showLastError();
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assert(false);
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}
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assert(expectedDebugger == 0xcc);
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if (!mThread.getProcess().writeMemory(mAddress, &mReplacedCode, 1))
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{
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showLastError();
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assert(false);
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}
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}
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void Breakpoint::
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set()
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{
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if (!mThread.getProcess().readMemory(mAddress, &mReplacedCode, 1))
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{
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showLastError();
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assert(false);
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}
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BYTE debugger = 0xcc;
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if (!mThread.getProcess().writeMemory(mAddress, &debugger, 1))
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{
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showLastError();
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assert(false);
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}
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}
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