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/* $Id: DBGFAll.cpp $ */
/** @file
* DBGF - Debugger Facility, All Context Code.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_DBGF
#include <VBox/dbgf.h>
#include "DBGFInternal.h"
#include <VBox/vm.h>
#include <iprt/assert.h>
/**
* Gets the hardware breakpoint configuration as DR7.
*
* @returns DR7 from the DBGF point of view.
* @param pVM The VM handle.
*/
VMMDECL(RTGCUINTREG) DBGFBpGetDR7(PVM pVM)
{
RTGCUINTREG uDr7 = X86_DR7_GD | X86_DR7_GE | X86_DR7_LE | X86_DR7_MB1_MASK;
PDBGFBP pBp = &pVM->dbgf.s.aHwBreakpoints[0];
unsigned cLeft = RT_ELEMENTS(pVM->dbgf.s.aHwBreakpoints);
while (cLeft-- > 0)
{
if ( pBp->enmType == DBGFBPTYPE_REG
&& pBp->fEnabled)
{
static const uint8_t s_au8Sizes[8] =
{
X86_DR7_LEN_BYTE, X86_DR7_LEN_BYTE, X86_DR7_LEN_WORD, X86_DR7_LEN_BYTE,
X86_DR7_LEN_DWORD,X86_DR7_LEN_BYTE, X86_DR7_LEN_BYTE, X86_DR7_LEN_QWORD
};
uDr7 |= X86_DR7_G(pBp->u.Reg.iReg)
| X86_DR7_RW(pBp->u.Reg.iReg, pBp->u.Reg.fType)
| X86_DR7_LEN(pBp->u.Reg.iReg, s_au8Sizes[pBp->u.Reg.cb]);
}
pBp++;
}
return uDr7;
}
/**
* Gets the address of the hardware breakpoint number 0.
*
* @returns DR0 from the DBGF point of view.
* @param pVM The VM handle.
*/
VMMDECL(RTGCUINTREG) DBGFBpGetDR0(PVM pVM)
{
PCDBGFBP pBp = &pVM->dbgf.s.aHwBreakpoints[0];
Assert(pBp->u.Reg.iReg == 0);
return pBp->GCPtr;
}
/**
* Gets the address of the hardware breakpoint number 1.
*
* @returns DR1 from the DBGF point of view.
* @param pVM The VM handle.
*/
VMMDECL(RTGCUINTREG) DBGFBpGetDR1(PVM pVM)
{
PCDBGFBP pBp = &pVM->dbgf.s.aHwBreakpoints[1];
Assert(pBp->u.Reg.iReg == 1);
return pBp->GCPtr;
}
/**
* Gets the address of the hardware breakpoint number 2.
*
* @returns DR2 from the DBGF point of view.
* @param pVM The VM handle.
*/
VMMDECL(RTGCUINTREG) DBGFBpGetDR2(PVM pVM)
{
PCDBGFBP pBp = &pVM->dbgf.s.aHwBreakpoints[2];
Assert(pBp->u.Reg.iReg == 2);
return pBp->GCPtr;
}
/**
* Gets the address of the hardware breakpoint number 3.
*
* @returns DR3 from the DBGF point of view.
* @param pVM The VM handle.
*/
VMMDECL(RTGCUINTREG) DBGFBpGetDR3(PVM pVM)
{
PCDBGFBP pBp = &pVM->dbgf.s.aHwBreakpoints[3];
Assert(pBp->u.Reg.iReg == 3);
return pBp->GCPtr;
}
/**
* Returns single stepping state
*
* @returns stepping or not
* @param pVM The VM handle.
*/
VMMDECL(bool) DBGFIsStepping(PVM pVM)
{
return pVM->dbgf.s.fSingleSteppingRaw;
}
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