kernel/eka/nkern/x86/ncmonitor.cpp
author Mike Kinghan <mikek@symbian.org>
Tue, 16 Nov 2010 14:39:21 +0000
branchGCC_SURGE
changeset 303 9b85206a602c
parent 90 947f0dc9f7a8
child 257 3e88ff8f41d5
permissions -rw-r--r--
We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass of the rom input files can be informed what toolchain we are building with and conditionally include or exclude files depending on whether the toolchain could build them.

// Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// e32\nkern\x86\ncmonitor.cpp
// Kernel crash debugger - NKERN ARM specific portion
// 
//

#include "nk_priv.h"
#include <x86.h>
#include <kernel/monitor.h>


void DisplayNThreadPlatformSpecific(Monitor& m, NThread* pT)
	{
	m.Printf("ExcInUserMode=%02x\r\n",pT->iSpare3);
	if (pT != TScheduler::Ptr()->iCurrentThread)
		{
		TUint32* pS=(TUint32*)pT->iSavedSP;
		SThreadStack reg;
		MTRAPD(r,wordmove(&reg,pS,sizeof(SThreadStack)));
		if (r==KErrNone)
			{
			m.Printf("EBX %08x ESI %08x EDI %08x EBP %08x\r\n",reg.iEbx,reg.iEsi,reg.iEdi,reg.iEbp);
			m.Printf("EIP %08x CR0 %08x  FS %08x  GS %08x\r\n",reg.iEip,reg.iCR0,reg.iFs,reg.iGs);
			}
		}
	}

void Monitor::DumpCpuRegisters()
	{
	SFullX86RegSet& r=*(SFullX86RegSet*)iRegs;
	Printf("EAX=%08x EBX=%08x ECX=%08x EDX=%08x\r\n",r.iEax,r.iEbx,r.iEcx,r.iEdx);
	Printf("ESP=%08x EBP=%08x ESI=%08x EDI=%08x\r\n",r.iEsp,r.iEbp,r.iEsi,r.iEdi);
	Printf(" CS=%08x EIP=%08x EFL=%08x  SS=%08x\r\n",r.iCs,r.iEip,r.iEflags,r.iSs);
	Printf(" DS=%08x  ES=%08x  FS=%08x  GS=%08x\r\n",r.iDs,r.iEs,r.iFs,r.iGs);
	Printf("IrqNest=%08x\r\n",r.iIrqNestCount);
	NewLine();
	}

void Monitor::DisplayCpuFaultInfo()
	{
	TScheduler* pS = TScheduler::Ptr();
	TAny* p = pS->i_ExcInfo;
	if (!p)
		return;
	TX86ExcInfo& a=*(TX86ExcInfo*)p;
	Printf("Exc %02x EFLAGS=%08x FAR=%08x ErrCode=%08x\r\n",a.iExcId,a.iEflags,a.iFaultAddress,a.iExcErrorCode);
	Printf("EAX=%08x EBX=%08x ECX=%08x EDX=%08x\r\n",a.iEax,a.iEbx,a.iEcx,a.iEdx);
	Printf("ESP=%08x EBP=%08x ESI=%08x EDI=%08x\r\n",a.iEsp,a.iEbp,a.iEsi,a.iEdi);
	Printf(" CS=%08x EIP=%08x  DS=%08x  SS=%08x\r\n",a.iCs,a.iEip,a.iDs,a.iSs);
	Printf(" ES=%08x  FS=%08x  GS=%08x\r\n",a.iEs,a.iFs,a.iGs);
	if (a.iCs&3)
		{
		Printf("SS3=%08x ESP3=%08x\r\n",a.iSs3,a.iEsp3);
		}
	}

EXPORT_C void Monitor::GetStackPointers(NThread* aThread, TUint& aSupSP, TUint& aUsrSP)
	{
	TScheduler* pS = TScheduler::Ptr();
	if (aThread == pS->iCurrentThread)
		aSupSP = ((SFullX86RegSet*)iRegs)->iEsp;
	else
		aSupSP = (TUint)aThread->iSavedSP;

	// User SP is in the exception info on the top of the supervisor stack
	TUint stackTop = (TUint)aThread->iStackBase + aThread->iStackSize;
	TX86ExcInfo* excRegs = (TX86ExcInfo*)(stackTop-sizeof(TX86ExcInfo));
	aUsrSP = excRegs->iEsp3;
	}