gecko-dev/ef/Tools/Monitor/Breakpoints.cpp
1999-11-02 06:38:29 +00:00

106 lines
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
// Breakpoint.cpp
//
// Scott M. Silver
#include "Breakpoints.h"
#include "Debugee.h"
#include <windows.h>
#include <assert.h>
#include "Win32Util.h"
Vector<Breakpoint*> BreakpointManager::sBreakpoints;
Breakpoint& BreakpointManager::
newBreakpoint(DebugeeProcess& inProcess, void* inWhere, bool inGlobal, bool inEnabled)
{
Breakpoint* newBp = new Breakpoint(*(inProcess.getMainThread()), inWhere, inGlobal, inEnabled);
sBreakpoints.append(newBp);
return (*newBp);
}
Breakpoint& BreakpointManager::
newBreakpoint(DebugeeThread& inThread, void* inWhere, bool inGlobal, bool inEnabled)
{
Breakpoint* newBp = new Breakpoint(inThread, inWhere, inGlobal, inEnabled);
sBreakpoints.append(newBp);
return (*newBp);
}
Breakpoint* BreakpointManager::
findBreakpoint(void* inAddress)
{
Breakpoint** curBreakpoint;
for(curBreakpoint = sBreakpoints.begin(); curBreakpoint < sBreakpoints.end(); curBreakpoint++)
if ((*curBreakpoint)->mAddress == inAddress)
return *curBreakpoint;
return (NULL);
}
void Breakpoint::
replace()
{
BYTE expectedDebugger;
if (!mThread.getProcess().readMemory(mAddress, &expectedDebugger, 1))
{
showLastError();
assert(false);
}
assert(expectedDebugger == 0xcc);
if (!mThread.getProcess().writeMemory(mAddress, &mReplacedCode, 1))
{
showLastError();
assert(false);
}
}
void Breakpoint::
set()
{
if (!mThread.getProcess().readMemory(mAddress, &mReplacedCode, 1))
{
showLastError();
assert(false);
}
BYTE debugger = 0xcc;
if (!mThread.getProcess().writeMemory(mAddress, &debugger, 1))
{
showLastError();
assert(false);
}
}