author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 15 Mar 2010 12:45:50 +0200 | |
branch | RCL_3 |
changeset 21 | e7d2d738d3c2 |
parent 0 | a41df078684a |
permissions | -rw-r--r-- |
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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// Device driver for kernel side debug assist |
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// |
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#ifdef __WINS__ |
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#error - this driver cannot be built for emulation |
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#endif |
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#include <e32def.h> |
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#include <e32def_private.h> |
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#include <e32cmn.h> |
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#include <e32cmn_private.h> |
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#include <e32ldr.h> |
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#include <u32std.h> |
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#include <kernel/kernel.h> |
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#include <kernel/kern_priv.h> |
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#include <nk_trace.h> |
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#include <arm.h> |
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#include <kernel/cache.h> |
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#include <platform.h> |
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#include <nkern.h> |
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#include <u32hal.h> |
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#include <kernel/kdebug.h> |
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#include <rm_debug_api.h> |
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#include "debug_logging.h" |
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#include "d_rmd_breakpoints.h" // moved breakpoints code lives here |
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#include "d_rmd_stepping.h" // moved stepping code lives here |
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#include "rm_debug_kerneldriver.h" |
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#include "d_list_manager.h" |
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#include "rm_debug_driver.h" |
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#include "rm_debug_eventhandler.h" |
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#include "d_debug_functionality.h" |
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#include "d_process_tracker.h" |
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#include "debug_utils.h" |
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#include "d_buffer_manager.h" |
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using namespace Debug; |
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///////////////////////////////////////////////////////////////////////// |
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// |
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// DRM_DebugDriverFactory implementation |
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// |
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///////////////////////////////////////////////////////////////////////// |
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// |
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// DRM_DebugDriverFactory constructor |
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// |
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DRM_DebugDriverFactory::DRM_DebugDriverFactory() |
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{ |
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iVersion = TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber); |
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} |
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// |
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// DRM_DebugDriverFactory::Create |
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// |
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TInt DRM_DebugDriverFactory::Create(DLogicalChannelBase*& aChannel) |
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{ |
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if (iOpenChannels != 0) |
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return KErrInUse; // a channel is already open |
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aChannel = new DRM_DebugChannel(this); |
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return aChannel ? KErrNone : KErrNoMemory; |
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} |
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// |
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// DRM_DebugDriverFactory::Install |
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// |
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TInt DRM_DebugDriverFactory::Install() |
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{ |
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return(SetName(&KRM_DebugDriverName)); |
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} |
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// |
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// DRM_DebugDriverFactory::Install |
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// |
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void DRM_DebugDriverFactory::GetCaps(TDes8& aDes) const |
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{ |
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TCapsRM_DebugDriver b; |
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b.iVersion = TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber); |
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Kern::InfoCopy(aDes,(TUint8*)&b,sizeof(b)); |
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} |
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///////////////////////////////////////////////////////////////////////// |
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// |
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// DRM_DebugChannel implementation |
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// |
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///////////////////////////////////////////////////////////////////////// |
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// |
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// DRM_DebugChannel constructor |
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// |
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DRM_DebugChannel::DRM_DebugChannel(DLogicalDevice* aLogicalDevice) |
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: iExcludedROMAddressStart(ROM_LINEAR_BASE), |
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iExcludedROMAddressEnd(0), |
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iPageSize(0x1000), |
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iBreakManager(0), |
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iStepper(0), |
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iStepLock(0), |
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iDfcQ(NULL), |
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iInitialisedCodeModifier(0), |
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iAsyncGetValueRequest(NULL) |
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{ |
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LOG_MSG("DRM_DebugChannel::DRM_DebugChannel()"); |
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iDevice = aLogicalDevice; |
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iClientThread = &Kern::CurrentThread(); |
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iClientThread->Open(); |
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LOG_MSG3("DRM_DebugChannel::DRM_DebugChannel() clientThread = 0x%08x, id=%d", |
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iClientThread, iClientThread->iId ); |
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iPageSize = Kern::RoundToPageSize(1); |
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} |
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// |
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// DRM_DebugChannel destructor |
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// |
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DRM_DebugChannel::~DRM_DebugChannel() |
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{ |
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LOG_MSG("DRM_DebugChannel::~DRM_DebugChannel()"); |
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if (iAsyncGetValueRequest) |
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{ |
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Kern::QueueRequestComplete(iClientThread, iAsyncGetValueRequest, KErrCancel); // does nothing if request not pending |
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Kern::DestroyClientRequest(iAsyncGetValueRequest); |
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} |
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NKern::ThreadEnterCS(); |
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Kern::SafeClose((DObject*&)iClientThread, NULL); |
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NKern::ThreadLeaveCS(); |
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// Close breakpoint manager |
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if (iBreakManager) |
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{ |
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NKern::ThreadEnterCS(); |
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delete iBreakManager; |
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NKern::ThreadLeaveCS(); |
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} |
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// Close stepping manager |
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if (iStepper) |
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{ |
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NKern::ThreadEnterCS(); |
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delete iStepper; |
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NKern::ThreadLeaveCS(); |
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} |
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//close the debug process list |
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iDebugProcessList.Close(); |
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DestroyDfcQ(); |
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//close the code modifier |
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if (iInitialisedCodeModifier) |
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{ |
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DebugSupport::CloseCodeModifier(); |
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} |
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} |
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void DRM_DebugChannel::DestroyDfcQ() |
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{ |
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LOG_MSG("DRM_DebugChannel::DestroyDfcQ()"); |
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if (iDfcQ) |
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{ |
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NKern::ThreadEnterCS(); |
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iDfcQ->Destroy(); |
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NKern::ThreadLeaveCS(); |
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} |
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} |
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// |
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// DRM_DebugChannel::DoCreate |
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// |
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TInt DRM_DebugChannel::DoCreate(TInt /*aUnit*/, const TDesC* anInfo, const TVersion& aVer) |
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{ |
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LOG_MSG("DRM_DebugChannel::DoCreate()"); |
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TInt err = Kern::CreateClientDataRequest(iAsyncGetValueRequest); |
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if(err != KErrNone) |
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return err; |
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if (!Kern::QueryVersionSupported(TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber), aVer)) |
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return KErrNotSupported; |
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// Do the security check here so that any arbitrary application doesn't make |
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// use of Trk kernel driver. |
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if (!DoSecurityCheck()) |
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{ |
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LOG_MSG("DRM_DebugChannel::DoCreate() - permission denied!"); |
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return KErrPermissionDenied; |
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} |
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if (anInfo) |
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{ |
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// this is the end address of the user library. |
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// this doesn't seem to be valid for EKA2. |
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// right now we dont need this for EKA2 since we are not worried |
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// about kernel being stopped as kernel is multithreaded. |
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// just retaining this for future use. |
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TBuf8<32> buf; |
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TInt err = Kern::ThreadRawRead(iClientThread, anInfo, &buf, 32); |
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if(err != KErrNone) |
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return err; |
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} |
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// Allocate a D_RMD_Breakpoints class as a breakpoint manager |
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NKern::ThreadEnterCS(); |
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iBreakManager = new D_RMD_Breakpoints(this); |
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NKern::ThreadLeaveCS(); |
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if (iBreakManager == NULL) |
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{ |
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LOG_MSG("DRM_DebugChannel::DRM_DebugChannel - could not construct breakpoint manager"); |
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return KErrNoMemory; |
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} |
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// Initialise the new breakpoint manager object |
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iBreakManager->Init(); |
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// Allocate a DRMDStepping class as the stepping manager |
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NKern::ThreadEnterCS(); |
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iStepper = new DRMDStepping(this); |
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NKern::ThreadLeaveCS(); |
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if (iStepper == NULL) |
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{ |
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LOG_MSG("DRM_DebugChannel::DRM_DebugChannel - could not construct stepper manager"); |
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return KErrNoMemory; |
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} |
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// Initialize the code modifier for managing breakpoints. |
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TUint caps; //ignored for now |
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err = DebugSupport::InitialiseCodeModifier(caps, NUMBER_OF_MAX_BREAKPOINTS); |
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//if code modifier initializer failed, |
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//return here, since we can't set an breakpoints |
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if(err != KErrNone) |
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{ |
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return err; |
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|
253 |
} |
0 | 254 |
else |
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|
255 |
{ |
0 | 256 |
iInitialisedCodeModifier = ETrue; |
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|
257 |
} |
0 | 258 |
|
259 |
//create and set the driver's Dfc queue |
|
260 |
err = CreateDfcQ(); |
|
261 |
if(err != KErrNone) |
|
262 |
{ |
|
263 |
LOG_MSG("DRM_DebugChannel::DoCreate() Creating Dfc queue failed."); |
|
264 |
} |
|
265 |
SetDfcQ(iDfcQ); |
|
266 |
||
267 |
iMsgQ.Receive(); |
|
268 |
||
269 |
iEventHandler = new DRM_DebugEventHandler; |
|
270 |
if (!iEventHandler) |
|
271 |
return KErrNoMemory; |
|
272 |
err = iEventHandler->Create(iDevice, this, iClientThread); |
|
273 |
if (err != KErrNone) |
|
274 |
return err; |
|
275 |
||
276 |
//return KErrNone; |
|
277 |
return iEventHandler->Start(); |
|
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278 |
} |
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|
279 |
|
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280 |
/** |
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281 |
Forward call to either synch or asynch methods while serialising all calls via lock. |
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|
282 |
|
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|
283 |
Protect access via a the event handler lock to |
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|
284 |
serialise all calls and protect concurrent access to data structures |
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|
285 |
|
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|
286 |
@param aMsg pointer to a TMessageBase object |
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|
287 |
|
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288 |
@return error returned by called methods |
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|
289 |
|
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|
290 |
@see DRM_DebugEventHandler::HandleSpecificEvent where lock is also used |
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|
291 |
@see DRM_DebugEventHandler::iProtectionLock |
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|
292 |
|
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|
293 |
*/ |
0 | 294 |
TInt DRM_DebugChannel::SendMsg(TMessageBase* aMsg) |
295 |
{ |
|
21
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|
296 |
DThread * currThread = &Kern::CurrentThread(); |
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|
297 |
LOG_MSG3("DRM_DebugChannel::SendMsg() currThread = 0x%08x, iClientThread=0x%08x", currThread, iClientThread ); |
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|
298 |
|
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|
299 |
iEventHandler->LockDataAccess(); |
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|
300 |
|
0 | 301 |
TThreadMessage& m = *(TThreadMessage*)aMsg; |
302 |
TInt id = m.iValue; |
|
303 |
TInt err = KErrNone; |
|
304 |
||
305 |
if (id != (TInt)ECloseMsg && id != KMaxTInt && id < 0) |
|
306 |
{ |
|
307 |
// DoRequest |
|
308 |
TRequestStatus* pStatus = (TRequestStatus*)m.Ptr0(); |
|
309 |
err = SendRequest(aMsg); |
|
310 |
if (err != KErrNone) |
|
311 |
Kern::RequestComplete(pStatus,err); |
|
312 |
} |
|
313 |
else |
|
314 |
{ |
|
315 |
err = DLogicalChannel::SendMsg(aMsg); |
|
316 |
} |
|
21
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|
317 |
|
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|
318 |
iEventHandler->ReleaseDataAccess(); |
0 | 319 |
return err; |
320 |
} |
|
321 |
||
322 |
// |
|
323 |
// DRM_DebugChannel::SendRequest |
|
324 |
// |
|
325 |
TInt DRM_DebugChannel::SendRequest(TMessageBase* aMsg) |
|
326 |
{ |
|
327 |
LOG_MSG("DRM_DebugChannel::SendRequest()"); |
|
328 |
||
329 |
TThreadMessage& m = *(TThreadMessage*)aMsg; |
|
330 |
TInt function = ~m.iValue; |
|
331 |
TRequestStatus* pStatus = (TRequestStatus*)m.Ptr0(); |
|
332 |
TAny* a1 = m.Ptr1(); |
|
333 |
||
334 |
TInt err = KErrNotSupported; |
|
335 |
switch(function) |
|
336 |
{ |
|
337 |
case RRM_DebugDriver::ERequestGetEvent: |
|
338 |
err = PreAsyncGetValue((TEventInfo*)a1,pStatus); |
|
339 |
break; |
|
340 |
} |
|
341 |
if (err == KErrNone) |
|
342 |
err = DLogicalChannel::SendMsg(aMsg); |
|
343 |
return err; |
|
344 |
} |
|
345 |
||
346 |
// |
|
347 |
// DRM_DebugChannel::PreAsyncGetValue |
|
348 |
// |
|
349 |
TInt DRM_DebugChannel::PreAsyncGetValue(TEventInfo* aValue, TRequestStatus* aStatus) |
|
350 |
{ |
|
21
e7d2d738d3c2
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diff
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|
351 |
LOG_MSG3("DRM_DebugChannel::PreAsyncGetValue() TEventInfo=0x%08x, TRequestStatus=0x%08x", |
e7d2d738d3c2
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|
352 |
aValue, aStatus ); |
0 | 353 |
|
354 |
iAsyncGetValueRequest->Reset(); |
|
355 |
||
356 |
TInt err = iAsyncGetValueRequest->SetStatus(aStatus); |
|
357 |
if (err != KErrNone) |
|
358 |
return err; |
|
359 |
||
360 |
iAsyncGetValueRequest->SetDestPtr(aValue); |
|
361 |
return KErrNone; |
|
362 |
} |
|
363 |
||
364 |
/** |
|
365 |
Create the Dfc queue for receiving messages |
|
366 |
*/ |
|
367 |
TInt DRM_DebugChannel::CreateDfcQ() |
|
368 |
{ |
|
369 |
LOG_MSG("DRM_DebugChannel::CreateDfcQ()"); |
|
370 |
TInt r = Kern::DynamicDfcQCreate(iDfcQ, KRmDebugDriverThreadPriority, KRM_DebugDriverName); |
|
371 |
// Fix to stop t_rmdebug2 etc crashing the device. |
|
372 |
// This should be removed once the rm debug driver has been updated for WDP. |
|
373 |
if (r == KErrNone) |
|
374 |
iDfcQ->SetRealtimeState(ERealtimeStateOff); |
|
375 |
return r; |
|
376 |
} |
|
377 |
||
378 |
// |
|
379 |
// DRM_DebugChannel::DoCancel |
|
380 |
// |
|
381 |
// New: The cancel call does not take an enum parameter describing |
|
382 |
// the request to be cancelled. Rather it supplies a pointer |
|
383 |
// to a user-side struct defining the cancellation |
|
384 |
// |
|
385 |
void DRM_DebugChannel::DoCancel(TInt aReqNo) |
|
21
e7d2d738d3c2
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changeset
|
386 |
{ |
0 | 387 |
LOG_MSG("DRM_DebugChannel::DoCancel()"); |
388 |
||
389 |
TRMD_DebugCancelInfo info; |
|
390 |
||
391 |
TInt err = Kern::ThreadRawRead(iClientThread,(TAny*)aReqNo,(TAny*)&info,sizeof(info)); |
|
392 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
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parents:
0
diff
changeset
|
393 |
{ |
0 | 394 |
// How do we cancel something we know nothing about??? |
395 |
LOG_MSG("DRM_DebugChannel::DoCancel - bad arguments"); |
|
396 |
return; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
397 |
} |
0 | 398 |
|
399 |
// Find the process |
|
400 |
DTargetProcess* pProcess = TheDProcessTracker.FindProcess(info.iProcessName); |
|
401 |
if (pProcess == NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
402 |
{ |
0 | 403 |
// We are doomed. We don't know which event to cancel.. |
404 |
LOG_MSG2("Cannot determine which process is being debugged: %S", &(info.iProcessName)); |
|
405 |
||
406 |
return; |
|
21
e7d2d738d3c2
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
|
407 |
} |
0 | 408 |
|
409 |
// Find the agent |
|
410 |
DDebugAgent* debugAgent = pProcess->Agent(info.iAgentId); |
|
411 |
if (debugAgent == NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
412 |
{ |
0 | 413 |
// Bad agent means there is no tracking agent |
414 |
LOG_MSG2("Cannot locate debug agent with pid 0x%0x16lx",info.iAgentId); |
|
415 |
return; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
416 |
} |
0 | 417 |
|
418 |
// Agent completes/pends the request as appropriate. |
|
419 |
debugAgent->CancelGetEvent(); |
|
420 |
||
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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0
diff
changeset
|
421 |
} |
0 | 422 |
|
423 |
// |
|
424 |
// DRM_DebugChannel::DoRequest |
|
425 |
// |
|
426 |
void DRM_DebugChannel::DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
427 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
428 |
LOG_MSG4("DRM_DebugChannel::DoRequest(), iClientThread=0x%08x, tid=0x%08x, TRequestStatus=0x%08x", |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
429 |
iClientThread, I64LOW(iClientThread->iId), aStatus); |
0 | 430 |
|
431 |
switch(aReqNo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
432 |
{ |
0 | 433 |
case RRM_DebugDriver::ERequestGetEvent: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
434 |
{ |
0 | 435 |
TEventMetaData eventMetaData; |
436 |
TInt err = Kern::ThreadRawRead(iClientThread, a2, (TUint8 *)&eventMetaData, sizeof(TEventMetaData) ); |
|
437 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
438 |
{ |
0 | 439 |
LOG_MSG("Error: could not read argument data from the DSS (TEventMetaData)"); |
440 |
||
441 |
// We could not read information from the user, so the a2 argument is probably wrong |
|
442 |
Kern::RequestComplete(iClientThread, aStatus, KErrArgument); |
|
443 |
return; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
444 |
} |
0 | 445 |
|
446 |
// Find the process |
|
447 |
DTargetProcess* pProcess = TheDProcessTracker.FindProcess(eventMetaData.iTargetProcessName); |
|
448 |
if (pProcess == NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
449 |
{ |
0 | 450 |
LOG_MSG("Cannot identify process being debugged"); |
451 |
||
452 |
// We could not locate the process, so the user asked for the wrong one. |
|
453 |
Kern::RequestComplete(iClientThread, aStatus, KErrArgument); |
|
454 |
return; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
455 |
} |
0 | 456 |
|
457 |
// Find the agent |
|
458 |
DDebugAgent* debugAgent = pProcess->Agent(eventMetaData.iDebugAgentProcessId); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
459 |
LOG_MSG5(" For agent pid=%d, DTargetProcess=0x%08x, Agent=0x%08x, iAsyncGetValueRequest0x%08x", |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
460 |
I64LOW(eventMetaData.iDebugAgentProcessId), pProcess, debugAgent, iAsyncGetValueRequest ); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
461 |
|
0 | 462 |
if (debugAgent == NULL) |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
463 |
{ |
0 | 464 |
// Bad agent means there is no tracking agent |
465 |
LOG_MSG2("Cannot locate debug agent with pid 0x%0x16lx",eventMetaData.iDebugAgentProcessId); |
|
466 |
return; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
467 |
} |
0 | 468 |
// Agent completes/pends the request as appropriate. |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
469 |
debugAgent->GetEvent(iAsyncGetValueRequest, iClientThread); |
0 | 470 |
|
471 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
472 |
} |
0 | 473 |
default: |
474 |
{ |
|
475 |
// Don't know what to do, should not get here! |
|
476 |
LOG_MSG("DRM_DebugChannel::DoRequest was passed an unsupported request aReqNo"); |
|
477 |
||
478 |
Kern::RequestComplete(iClientThread, aStatus, KErrNotSupported); |
|
479 |
} |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
480 |
} |
0 | 481 |
} |
482 |
||
483 |
// |
|
484 |
// DRM_DebugChannel::DoControl |
|
485 |
// |
|
486 |
TInt DRM_DebugChannel::DoControl(TInt aFunction, TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
487 |
{ |
0 | 488 |
LOG_MSG("DRM_DebugChannel::DoControl()"); |
489 |
||
490 |
LOG_MSG2("DoControl Function %d", aFunction); |
|
491 |
||
492 |
TInt err = KErrBadHandle; |
|
493 |
DThread* threadObj = NULL; |
|
494 |
||
495 |
switch(aFunction) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
496 |
{ |
0 | 497 |
/* Security first */ |
498 |
case RRM_DebugDriver::EControlIsDebuggable: |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
499 |
{ |
0 | 500 |
err = IsDebuggable((TUint32)a1); |
501 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
502 |
} |
0 | 503 |
case RRM_DebugDriver::EControlSetBreak: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
504 |
{ |
0 | 505 |
err = SetBreak((TSetBreakInfo*)a1); |
506 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
507 |
} |
0 | 508 |
case RRM_DebugDriver::EControlClearBreak: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
509 |
{ |
0 | 510 |
err = iBreakManager->DoClearBreak((TInt32)a1); |
511 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
512 |
} |
0 | 513 |
case RRM_DebugDriver::EControlModifyBreak: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
514 |
{ |
0 | 515 |
err = iBreakManager->DoModifyBreak((TModifyBreakInfo*)a1); |
516 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
517 |
} |
0 | 518 |
case RRM_DebugDriver::EControlModifyProcessBreak: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
519 |
{ |
0 | 520 |
err = iBreakManager->DoModifyProcessBreak((TModifyProcessBreakInfo*)a1); |
521 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
522 |
} |
0 | 523 |
case RRM_DebugDriver::EControlBreakInfo: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
524 |
{ |
0 | 525 |
err = iBreakManager->DoBreakInfo((TGetBreakInfo*)a1); |
526 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
527 |
} |
0 | 528 |
case RRM_DebugDriver::EControlSuspendThread: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
529 |
{ |
0 | 530 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
531 |
if (threadObj) |
|
532 |
{ |
|
533 |
err = DoSuspendThread(threadObj); |
|
534 |
} |
|
535 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
536 |
} |
0 | 537 |
case RRM_DebugDriver::EControlResumeThread: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
538 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
539 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
540 |
if (threadObj) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
541 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
542 |
err = DoResumeThread(threadObj); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
543 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
544 |
break; |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
545 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
546 |
case RRM_DebugDriver::EControlStepRange: |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
547 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
548 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
549 |
if (threadObj) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
550 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
551 |
err = StepRange(threadObj, (TRM_DebugStepInfo*)a2); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
552 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
553 |
break; |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
554 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
555 |
case RRM_DebugDriver::EControlReadMemory: |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
556 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
557 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
558 |
if (threadObj) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
559 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
560 |
err = ReadMemory(threadObj, (TRM_DebugMemoryInfo*)a2); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
561 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
562 |
break; |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
563 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
564 |
case RRM_DebugDriver::EControlWriteMemory: |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
565 |
{ |
0 | 566 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
567 |
if (threadObj) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
568 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
569 |
err = WriteMemory(threadObj, (TRM_DebugMemoryInfo*)a2); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
570 |
} |
0 | 571 |
break; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
572 |
} |
0 | 573 |
case RRM_DebugDriver::EControlReadRegistersLegacy: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
574 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
575 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
576 |
if (threadObj) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
577 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
578 |
err = ReadRegistersLegacy(threadObj, (TRM_DebugRegisterInfo*)a2); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
579 |
} |
0 | 580 |
break; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
581 |
} |
0 | 582 |
case RRM_DebugDriver::EControlWriteRegistersLegacy: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
583 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
584 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
585 |
if (threadObj) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
586 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
587 |
err = WriteRegistersLegacy(threadObj, (TRM_DebugRegisterInfo*)a2); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
588 |
} |
0 | 589 |
break; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
590 |
} |
0 | 591 |
case RRM_DebugDriver::EControlReadRegisters: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
592 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
593 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
594 |
if (threadObj) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
595 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
596 |
err = ReadRegisters(threadObj, (TRM_DebugRegisterInformation*)a2); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
597 |
} |
0 | 598 |
break; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
599 |
} |
0 | 600 |
case RRM_DebugDriver::EControlWriteRegisters: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
601 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
602 |
threadObj = DebugUtils::OpenThreadHandle((TUint32)a1); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
603 |
if (threadObj) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
604 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
605 |
err = WriteRegisters(threadObj, (TRM_DebugRegisterInformation*)a2); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
606 |
} |
0 | 607 |
break; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
608 |
} |
0 | 609 |
case RRM_DebugDriver::EControlGetDebugFunctionalityBufSize: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
610 |
{ |
0 | 611 |
LOG_MSG("RRM_DebugDriver::EControlGetDebugFunctionalityBufSize\n"); |
612 |
||
613 |
TDebugFunctionality df; |
|
614 |
||
615 |
TUint size = df.GetDebugFunctionalityBufSize(); |
|
616 |
||
617 |
// Return size to user-side in a safe manner |
|
618 |
err = Kern::ThreadRawWrite(iClientThread, a1, (TUint8*)&size, sizeof(TUint), iClientThread); |
|
619 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
620 |
} |
0 | 621 |
case RRM_DebugDriver::EControlGetDebugFunctionality: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
622 |
{ |
0 | 623 |
LOG_MSG("RRM_DebugDriver::EControlGetDebugFunctionality\n"); |
624 |
||
625 |
TDebugFunctionality df; |
|
626 |
||
627 |
TUint32 dfsize = df.GetDebugFunctionalityBufSize(); |
|
628 |
||
629 |
// Alloc tmp buffer for Debug Functionality data |
|
630 |
NKern::ThreadEnterCS(); |
|
631 |
TUint8* dfbuffer = (TUint8*)Kern::AllocZ(dfsize); |
|
632 |
NKern::ThreadLeaveCS(); |
|
633 |
if (dfbuffer==NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
634 |
{ |
0 | 635 |
LOG_MSG2("Could not allocate memory for %d bytes\n",dfsize); |
636 |
||
637 |
// could not allocate memory |
|
638 |
return KErrNoMemory; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
639 |
} |
0 | 640 |
|
641 |
// Temporary descriptor to hold DF data |
|
642 |
TPtr8 tmpPtr(dfbuffer,0,dfsize); |
|
643 |
||
644 |
// Obtain the DF data |
|
645 |
if (df.GetDebugFunctionality(tmpPtr) ) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
646 |
{ |
0 | 647 |
// Return the DF data to the user-side |
648 |
err = Kern::ThreadDesWrite(iClientThread, a1, tmpPtr, 0, KChunkShiftBy0, iClientThread); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
649 |
} |
0 | 650 |
else |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
651 |
{ |
0 | 652 |
// Failed. |
653 |
err = KErrGeneral; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
654 |
} |
0 | 655 |
|
656 |
// Free tmp buffer |
|
657 |
NKern::ThreadEnterCS(); |
|
658 |
Kern::Free(dfbuffer); |
|
659 |
NKern::ThreadLeaveCS(); |
|
660 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
661 |
} |
0 | 662 |
case RRM_DebugDriver::EControlAttachProcess: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
663 |
{ |
0 | 664 |
LOG_MSG("RRM_DebugDriver::EControlAttachProcess"); |
665 |
||
666 |
err = AttachProcess(a1,a2); |
|
667 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
668 |
} |
0 | 669 |
case RRM_DebugDriver::EControlDetachProcess: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
670 |
{ |
0 | 671 |
LOG_MSG("RRM_DebugDriver::EControlDetachProcess"); |
672 |
||
673 |
err = DetachProcess(a1,a2); |
|
674 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
675 |
} |
0 | 676 |
case RRM_DebugDriver::EControlDetachAgent: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
677 |
{ |
0 | 678 |
LOG_MSG("RRM_DebugDriver::EControlDetachAgent"); |
679 |
||
680 |
err = DetachAgent(a1,a2); |
|
681 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
682 |
} |
0 | 683 |
case RRM_DebugDriver::EControlSetEventAction: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
684 |
{ |
0 | 685 |
LOG_MSG("RRM_DebugDriver::EControlSetEventAction"); |
686 |
||
687 |
err = SetEventAction(a1,a2); |
|
688 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
689 |
} |
0 | 690 |
case RRM_DebugDriver::EControlGetMemoryOperationMaxBlockSize: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
691 |
{ |
0 | 692 |
LOG_MSG("RRM_DebugDriver::EControlGetMemoryOperationMaxBlockSize\n"); |
693 |
||
694 |
TUint32 maxSize = TDebugFunctionality::GetMemoryOperationMaxBlockSize(); |
|
695 |
||
696 |
// Return size to user-side in a safe manner |
|
697 |
err = Kern::ThreadRawWrite(iClientThread, a1, (TUint8*)&maxSize, sizeof(TUint32), iClientThread); |
|
698 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
699 |
} |
0 | 700 |
case RRM_DebugDriver::EControlGetList: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
701 |
{ |
0 | 702 |
LOG_MSG("RRM_DebugDriver::EControlGetList\n"); |
703 |
err = GetList((TListInformation*)a1); |
|
704 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
705 |
} |
0 | 706 |
case RRM_DebugDriver::EControlStep: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
707 |
{ |
0 | 708 |
LOG_MSG("RRM_DebugDriver::EControlStep\n"); |
709 |
||
710 |
err = Step((TUint32)a1,(TUint32)a2); |
|
711 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
712 |
} |
0 | 713 |
case RRM_DebugDriver::EControlKillProcess: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
714 |
{ |
0 | 715 |
LOG_MSG("RRM_DebugDriver::EControlKillProcess\n"); |
716 |
||
717 |
err = KillProcess((TUint32)a1,(TUint32)a2); |
|
718 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
719 |
} |
0 | 720 |
default: |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
721 |
{ |
0 | 722 |
err = KErrGeneral; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
723 |
} |
0 | 724 |
} |
725 |
||
726 |
if (KErrNone != err) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
727 |
{ |
0 | 728 |
LOG_MSG2("Error %d from control function", err); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
729 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
730 |
|
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
731 |
if (threadObj) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
732 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
733 |
// Close the thread handle which has been opened by DebugUtils::OpenThreadHandle |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
734 |
threadObj->Close(NULL); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
735 |
} |
0 | 736 |
|
737 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
738 |
} |
0 | 739 |
|
740 |
void DRM_DebugChannel::HandleMsg(TMessageBase* aMsg) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
741 |
{ |
0 | 742 |
LOG_MSG("DRM_DebugChannel::HandleMsg()"); |
743 |
||
744 |
TThreadMessage& m = *(TThreadMessage*)aMsg; |
|
745 |
TInt id = m.iValue; |
|
746 |
||
747 |
if (id == (TInt)ECloseMsg) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
748 |
{ |
0 | 749 |
if (iEventHandler) |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
750 |
{ |
0 | 751 |
iEventHandler->Stop(); |
752 |
iEventHandler->Close(); |
|
753 |
iEventHandler = NULL; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
754 |
} |
0 | 755 |
m.Complete(KErrNone, EFalse); |
756 |
return; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
757 |
} |
0 | 758 |
|
759 |
if (id == KMaxTInt) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
760 |
{ |
0 | 761 |
// DoCancel |
762 |
DoCancel(m.Int0()); |
|
763 |
m.Complete(KErrNone, ETrue); |
|
764 |
return; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
765 |
} |
0 | 766 |
|
767 |
if (id < 0) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
768 |
{ |
0 | 769 |
// DoRequest |
770 |
TRequestStatus* pStatus = (TRequestStatus*)m.Ptr0(); |
|
771 |
DoRequest(~id, pStatus, m.Ptr1(), m.Ptr2()); |
|
772 |
m.Complete(KErrNone, ETrue); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
773 |
} |
0 | 774 |
else |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
775 |
{ |
0 | 776 |
// DoControl |
777 |
TInt err = DoControl(id, m.Ptr0(), m.Ptr1()); |
|
778 |
m.Complete(err, ETrue); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
779 |
} |
0 | 780 |
} |
781 |
||
782 |
// |
|
783 |
// DRM_DebugChannel::RemoveProcess |
|
784 |
// |
|
785 |
TBool DRM_DebugChannel::RemoveProcess(TAny* a1, TAny* a2) |
|
786 |
{ |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
787 |
LOG_MSG("DRM_DebugChannel::RemoveProcess()"); |
0 | 788 |
|
789 |
DProcess *aProcess = (DProcess*)a1; |
|
790 |
||
791 |
// Sanity check |
|
792 |
if (!aProcess) |
|
793 |
{ |
|
794 |
// No process was specified! |
|
795 |
LOG_MSG("DRM_DebugChannel::RemoveProcess was called with an invalid process ID"); |
|
796 |
return EFalse; |
|
797 |
} |
|
798 |
||
799 |
// this is called when a process dies. we want to mark any breakpoints in this |
|
800 |
// process space as obsolete. the main reason for this is so we don't return |
|
801 |
// an error when the host debugger tries to clear breakpoints for the process |
|
802 |
||
803 |
TUint32 codeAddress = 0; |
|
804 |
TUint32 codeSize = 0; |
|
805 |
||
806 |
LOG_EVENT_MSG2("Process being removed, Name %S", aProcess->iName); |
|
807 |
||
808 |
DCodeSeg* codeSeg = aProcess->iCodeSeg; |
|
809 |
||
810 |
if (codeSeg) |
|
811 |
{ |
|
812 |
TModuleMemoryInfo processMemoryInfo; |
|
813 |
TInt err = codeSeg->GetMemoryInfo(processMemoryInfo, aProcess); |
|
814 |
if (err != KErrNone) |
|
815 |
{ |
|
816 |
codeAddress = processMemoryInfo.iCodeBase; |
|
817 |
codeSize = processMemoryInfo.iCodeSize; |
|
818 |
} |
|
819 |
else |
|
820 |
{ |
|
821 |
LOG_MSG2("Error in getting memory info: %d", err); |
|
822 |
} |
|
823 |
} |
|
824 |
||
825 |
if (!codeAddress || !codeSize) |
|
826 |
{ |
|
827 |
LOG_EVENT_MSG2("Code segment not available for process %d", aProcess->iId); |
|
828 |
// make sure there is not already a breakpoint at this address |
|
829 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++) |
|
830 |
{ |
|
831 |
if (iDebugProcessList[i].iId == aProcess->iId) |
|
832 |
{ |
|
833 |
codeAddress = iDebugProcessList[i].iCodeAddress; |
|
834 |
codeSize = iDebugProcessList[i].iCodeSize; |
|
835 |
||
836 |
//now remove from the list |
|
837 |
iDebugProcessList.Remove(i); |
|
838 |
break; |
|
839 |
} |
|
840 |
} |
|
841 |
} |
|
842 |
||
843 |
if (!codeAddress || !codeSize) |
|
844 |
{ |
|
845 |
return EFalse; |
|
846 |
} |
|
847 |
||
848 |
iBreakManager->RemoveBreaksForProcess(aProcess->iId, codeAddress, codeSize); |
|
849 |
return EFalse; |
|
850 |
} |
|
851 |
||
852 |
// |
|
853 |
// DRM_DebugChannel::StartThread |
|
854 |
// |
|
855 |
TBool DRM_DebugChannel::StartThread(TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
856 |
{ |
0 | 857 |
LOG_EVENT_MSG("DRM_DebugChannel::StartThread()"); |
858 |
||
859 |
DThread *aThread = (DThread*)a1; |
|
860 |
if(!aThread) |
|
861 |
{ |
|
862 |
LOG_MSG("Error getting DThread object"); |
|
863 |
__NK_ASSERT_DEBUG(aThread); |
|
864 |
return EFalse; |
|
865 |
} |
|
866 |
||
867 |
//a2 points to the thread creating the new thread. |
|
868 |
//We have no use for it at the moment so just ignore it for now |
|
869 |
||
870 |
TDriverEventInfo info; |
|
871 |
info.iEventType = EEventsStartThread; |
|
872 |
info.iThreadId = aThread->iId; |
|
873 |
info.iThreadIdValid = ETrue; |
|
874 |
DProcess* owningProcess = aThread->iOwningProcess; |
|
875 |
if(owningProcess) |
|
876 |
{ |
|
877 |
info.iProcessId = owningProcess->iId; |
|
878 |
info.iProcessIdValid = ETrue; |
|
879 |
DCodeSeg* p = owningProcess->iCodeSeg; |
|
880 |
if(p && p->iFileName) |
|
881 |
{ |
|
882 |
info.iFileName.Copy(*(p->iFileName)); |
|
883 |
DTargetProcess* foundProcess = TheDProcessTracker.FindProcess(*(p->iFileName)); |
|
884 |
if(foundProcess) |
|
885 |
{ |
|
886 |
foundProcess->NotifyEvent(info); |
|
887 |
} |
|
888 |
else |
|
889 |
{ |
|
890 |
LOG_EVENT_MSG2("Couldn't find process with name [%S]", p->iFileName); |
|
891 |
} |
|
892 |
} |
|
893 |
else |
|
894 |
{ |
|
895 |
if(p) |
|
896 |
{ |
|
897 |
LOG_EVENT_MSG("\tCode segment name missing"); |
|
898 |
} |
|
899 |
else |
|
900 |
{ |
|
901 |
LOG_EVENT_MSG("\tCode segment is NULL"); |
|
902 |
} |
|
903 |
} |
|
904 |
} |
|
905 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
906 |
} |
0 | 907 |
|
908 |
// |
|
909 |
// DRM_DebugChannel::HandleAddProcessEvent |
|
910 |
// |
|
911 |
TBool DRM_DebugChannel::HandleAddProcessEvent(TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
912 |
{ |
0 | 913 |
LOG_EVENT_MSG("DRM_DebugChannel::AddProcess()"); |
914 |
||
915 |
DProcess *aProcess = (DProcess*)a1; |
|
916 |
// a2 points to the thread creating the new process. |
|
917 |
DThread *aThread = (DThread*)a2; |
|
918 |
||
919 |
if(!aProcess) |
|
920 |
{ |
|
921 |
LOG_MSG("Error getting DProcess object"); |
|
922 |
__NK_ASSERT_DEBUG(aProcess); |
|
923 |
return EFalse; |
|
924 |
} |
|
925 |
||
926 |
TDriverEventInfo info; |
|
927 |
info.iEventType = EEventsAddProcess; |
|
928 |
info.iProcessId = aProcess->iId; |
|
929 |
||
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
930 |
info.iCreatorThreadId = aThread ? aThread->iId : 0; |
0 | 931 |
info.iProcessIdValid = ETrue; |
932 |
||
933 |
// Copy TUids |
|
934 |
info.iUids = aProcess->iUids; |
|
935 |
||
936 |
info.iUidsValid = ETrue; |
|
937 |
||
938 |
// copy name of the process |
|
939 |
if (aProcess->iName) |
|
940 |
{ |
|
941 |
// copy the name of the process |
|
942 |
info.iFileName.Copy(*aProcess->iName); |
|
943 |
||
944 |
DTargetProcess* foundProcess = TheDProcessTracker.FindProcess(*(aProcess->iName)); |
|
945 |
if(foundProcess) |
|
946 |
{ |
|
947 |
foundProcess->NotifyEvent(info); |
|
948 |
} |
|
949 |
else |
|
950 |
{ |
|
951 |
// AddProcess event does not have fully-qualified path, it has "filename.exe" |
|
952 |
// So we try a less-precise match |
|
953 |
DTargetProcess* foundProcess = TheDProcessTracker.FuzzyFindProcess(*(aProcess->iName)); |
|
954 |
if(foundProcess) |
|
955 |
{ |
|
956 |
foundProcess->NotifyEvent(info); |
|
957 |
} |
|
958 |
else |
|
959 |
{ |
|
960 |
LOG_EVENT_MSG2("Couldn't find process with name [%S]", aProcess->iName); |
|
961 |
} |
|
962 |
} |
|
963 |
} |
|
964 |
else |
|
965 |
{ |
|
966 |
LOG_EVENT_MSG("DRM_DebugChannel::AddProcess - No iName for this process"); |
|
967 |
} |
|
968 |
||
969 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
970 |
} |
0 | 971 |
|
972 |
// |
|
973 |
// DRM_DebugChannel::HandleRemoveProcessEvent |
|
974 |
// |
|
975 |
TBool DRM_DebugChannel::HandleRemoveProcessEvent(TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
976 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
977 |
LOG_MSG("DRM_DebugChannel::HandleRemoveProcessEvent()"); |
0 | 978 |
|
979 |
DProcess *aProcess = (DProcess*)a1; |
|
980 |
if(!aProcess) |
|
981 |
{ |
|
982 |
LOG_MSG("Error getting DProcess object"); |
|
983 |
__NK_ASSERT_DEBUG(aProcess); |
|
984 |
return EFalse; |
|
985 |
} |
|
986 |
||
987 |
// a2 points to the thread creating the new process. |
|
988 |
// We have no use for it at the moment so just ignore it for now |
|
989 |
// Also, it may not be known and therefore NULL |
|
990 |
||
991 |
TDriverEventInfo info; |
|
992 |
info.iEventType = EEventsRemoveProcess; |
|
993 |
info.iProcessId = aProcess->iId; |
|
994 |
info.iProcessIdValid = ETrue; |
|
995 |
||
996 |
// copy name of the process |
|
997 |
if (aProcess->iName) |
|
998 |
{ |
|
999 |
// copy the name of the process |
|
1000 |
info.iFileName.Copy(*aProcess->iName); |
|
1001 |
||
1002 |
DTargetProcess* foundProcess = TheDProcessTracker.FindProcess(*(aProcess->iName)); |
|
1003 |
if(foundProcess) |
|
1004 |
{ |
|
1005 |
foundProcess->NotifyEvent(info); |
|
1006 |
} |
|
1007 |
else |
|
1008 |
{ |
|
1009 |
// RemoveProcess event does not have fully-qualified path, it has "filename.exe" |
|
1010 |
// So we try a less-precise match |
|
1011 |
DTargetProcess* foundProcess = TheDProcessTracker.FuzzyFindProcess(*(aProcess->iName)); |
|
1012 |
if(foundProcess) |
|
1013 |
{ |
|
1014 |
foundProcess->NotifyEvent(info); |
|
1015 |
} |
|
1016 |
else |
|
1017 |
{ |
|
1018 |
LOG_EVENT_MSG2("Couldn't find process with name [%S]", aProcess->iName); |
|
1019 |
} |
|
1020 |
} |
|
1021 |
||
1022 |
} |
|
1023 |
else |
|
1024 |
{ |
|
1025 |
LOG_EVENT_MSG("DRM_DebugChannel::AddProcess - No iName for this process"); |
|
1026 |
} |
|
1027 |
||
1028 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1029 |
} |
0 | 1030 |
|
1031 |
// |
|
1032 |
// DRM_DebugChannel::AddLibrary |
|
1033 |
// |
|
1034 |
TBool DRM_DebugChannel::AddLibrary(TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1035 |
{ |
0 | 1036 |
LOG_EVENT_MSG("DRM_DebugChannel::AddLibrary()"); |
1037 |
||
1038 |
DLibrary *aLibrary = (DLibrary*)a1; |
|
1039 |
DThread *aThread = (DThread*)a2; |
|
1040 |
||
1041 |
// sanity check |
|
1042 |
if (!aLibrary) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1043 |
{ |
0 | 1044 |
LOG_EVENT_MSG("DRM_DebugChannel::AddLibrary called with no library specified"); |
1045 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1046 |
} |
0 | 1047 |
|
1048 |
if (!aThread) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1049 |
{ |
0 | 1050 |
LOG_EVENT_MSG("DRM_DebugChannel::AddLibrary called with no thread specified"); |
1051 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1052 |
} |
0 | 1053 |
|
1054 |
LOG_EVENT_MSG2(("Lib loaded: %S"), aLibrary->iName); |
|
1055 |
||
1056 |
if (aThread) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1057 |
{ |
0 | 1058 |
// make sure this is not the debugger thread |
1059 |
if ((aThread != iClientThread) && (aThread->iOwningProcess->iId != iClientThread->iOwningProcess->iId)) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1060 |
{ |
0 | 1061 |
TDriverEventInfo info; |
1062 |
||
1063 |
info.iEventType = EEventsAddLibrary; |
|
1064 |
info.iProcessId = aThread->iOwningProcess->iId; |
|
1065 |
info.iProcessIdValid = ETrue; |
|
1066 |
info.iThreadId = aThread->iId; |
|
1067 |
info.iThreadIdValid = ETrue; |
|
1068 |
||
1069 |
//get the code address |
|
1070 |
DCodeSeg* codeSeg = aLibrary->iCodeSeg; |
|
1071 |
if (!codeSeg) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1072 |
{ |
0 | 1073 |
LOG_EVENT_MSG2("Code segment not available for library %S", aLibrary->iName); |
1074 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1075 |
} |
0 | 1076 |
|
1077 |
// Uid3 |
|
1078 |
info.iUids = codeSeg->iUids; |
|
1079 |
info.iUidsValid = ETrue; |
|
1080 |
||
1081 |
TModuleMemoryInfo memoryInfo; |
|
1082 |
TInt err = codeSeg->GetMemoryInfo(memoryInfo, NULL); //NULL for DProcess should be ok; |
|
1083 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1084 |
{ |
0 | 1085 |
LOG_EVENT_MSG2("Error in getting memory info: %d", err); |
1086 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1087 |
} |
0 | 1088 |
|
1089 |
info.iCodeAddress = memoryInfo.iCodeBase; |
|
1090 |
info.iDataAddress = memoryInfo.iInitialisedDataBase; |
|
1091 |
||
1092 |
info.iFileName.Copy(*(aLibrary->iName)); //just the name, without uid info. |
|
1093 |
||
1094 |
//queue up or complete the event |
|
1095 |
info.iArg1 = a1; |
|
1096 |
info.iArg2 = a2; |
|
1097 |
NotifyEvent(info); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1098 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1099 |
|
0 | 1100 |
} |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1101 |
return EFalse; |
0 | 1102 |
} |
1103 |
||
1104 |
// |
|
1105 |
// DRM_DebugChannel::RemoveLibrary |
|
1106 |
// |
|
1107 |
TBool DRM_DebugChannel::RemoveLibrary(TAny* a1, TAny* a2) |
|
1108 |
{ |
|
1109 |
LOG_EVENT_MSG("DRM_DebugChannel::RemoveLibrary()"); |
|
1110 |
DLibrary *aLibrary = (DLibrary*)a1; |
|
1111 |
||
1112 |
// sanity check |
|
1113 |
if (!aLibrary) |
|
1114 |
{ |
|
1115 |
LOG_EVENT_MSG("DRM_DebugChannel::RemoveLibrary called with no library specified"); |
|
1116 |
return EFalse; |
|
1117 |
} |
|
1118 |
||
1119 |
LOG_EVENT_MSG2(("Lib unloaded: %S"), aLibrary->iName); |
|
1120 |
||
1121 |
// this is called when all handles to this library have been closed. this can happen when a process dies, or when a dll is |
|
1122 |
// unloaded while the process lives on. in former case, we don't need to notify the host debugger because that process is |
|
1123 |
// dying anyway. for the latter case, we do need to notify the host so it can unload the symbolics, etc. |
|
1124 |
||
1125 |
DThread* aThread = &Kern::CurrentThread(); |
|
1126 |
||
1127 |
if ((aThread) && |
|
1128 |
(aThread != iClientThread) && |
|
1129 |
(aThread->iOwningProcess->iId != iClientThread->iOwningProcess->iId)) |
|
1130 |
{ |
|
1131 |
//the library gets unloaded only when the mapcount is 0. |
|
1132 |
if (aLibrary->iMapCount != 0) |
|
1133 |
return EFalse; |
|
1134 |
||
1135 |
DCodeSeg* codeSeg = aLibrary->iCodeSeg; |
|
1136 |
if (!codeSeg) |
|
1137 |
{ |
|
1138 |
LOG_EVENT_MSG2("Code segment not available for library %S", aLibrary->iName); |
|
1139 |
return EFalse; |
|
1140 |
} |
|
1141 |
||
1142 |
TModuleMemoryInfo processMemoryInfo; |
|
1143 |
TInt err = codeSeg->GetMemoryInfo(processMemoryInfo, NULL); //passing NULL for the DProcess argument should be ok; |
|
1144 |
if (err != KErrNone) |
|
1145 |
{ |
|
1146 |
LOG_EVENT_MSG2("Error in getting memory info: %d", err); |
|
1147 |
return EFalse; |
|
1148 |
} |
|
1149 |
||
1150 |
TUint32 codeAddress = processMemoryInfo.iCodeBase; |
|
1151 |
TUint32 codeSize = processMemoryInfo.iCodeSize; |
|
1152 |
||
1153 |
// first invalidate all breakpoints that were set in the library code |
|
1154 |
iBreakManager->InvalidateLibraryBreakPoints(codeAddress, codeSize); |
|
1155 |
DProcess *process = &Kern::CurrentProcess(); |
|
1156 |
RArray<SCodeSegEntry>* dynamicCode = &(process->iDynamicCode); |
|
1157 |
||
1158 |
for (TInt j=0; j<dynamicCode->Count(); j++) |
|
1159 |
{ |
|
1160 |
if ((*dynamicCode)[j].iLib == aLibrary) |
|
1161 |
{ |
|
1162 |
TDriverEventInfo info; |
|
1163 |
||
1164 |
info.iEventType = EEventsRemoveLibrary; |
|
1165 |
info.iFileName.Copy(*(aLibrary->iName)); //lib name without uid info |
|
1166 |
//info.iFileName.ZeroTerminate(); |
|
1167 |
info.iProcessId = process->iId; |
|
1168 |
info.iProcessIdValid = ETrue; |
|
1169 |
info.iThreadId = 0xFFFFFFFF; // don't care! |
|
1170 |
info.iThreadIdValid = EFalse; |
|
1171 |
// Uid3 |
|
1172 |
info.iUids = codeSeg->iUids; |
|
1173 |
info.iUidsValid = ETrue; |
|
1174 |
||
1175 |
//queue up or complete the event |
|
1176 |
info.iArg1 = a1; |
|
1177 |
info.iArg2 = a2; |
|
1178 |
NotifyEvent(info); |
|
1179 |
} |
|
1180 |
} |
|
1181 |
} |
|
1182 |
return EFalse; |
|
1183 |
} |
|
1184 |
||
1185 |
// |
|
1186 |
// DRM_DebugChannel::HandleEventKillThread |
|
1187 |
// |
|
1188 |
TBool DRM_DebugChannel::HandleEventKillThread(TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1189 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1190 |
|
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1191 |
LOG_MSG2("DRM_DebugChannel::HandleEventKillThread(Thread a1=0x%08x)", a1 ); |
0 | 1192 |
|
1193 |
DThread* currentThread = &Kern::CurrentThread(); |
|
1194 |
if (!currentThread) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1195 |
{ |
0 | 1196 |
LOG_MSG("Error getting current thread"); |
1197 |
__NK_ASSERT_DEBUG(currentThread); |
|
1198 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1199 |
} |
0 | 1200 |
|
1201 |
// a1 should point to the current thread, check this to make sure it does |
|
1202 |
__NK_ASSERT_DEBUG((DThread*)a1 == currentThread); |
|
1203 |
||
1204 |
TDriverEventInfo info; |
|
1205 |
||
1206 |
info.iProcessId = currentThread->iOwningProcess->iId; |
|
1207 |
info.iProcessIdValid = ETrue; |
|
1208 |
info.iThreadId = currentThread->iId; |
|
1209 |
info.iThreadIdValid = ETrue; |
|
1210 |
// 14 should probably be replaced by PC_REGISTER, for some reason PC_REGISTER had been replaced with 14 in the code |
|
1211 |
TInt err = ReadKernelRegisterValue(currentThread, 14, info.iCurrentPC); |
|
1212 |
if(err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1213 |
{ |
0 | 1214 |
LOG_EVENT_MSG2("DRM_DebugChannel::HandleEventKillThread - Non-zero error code discarded: %d", err); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1215 |
} |
0 | 1216 |
|
1217 |
if (currentThread->iExitType == EExitPanic) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1218 |
{ |
0 | 1219 |
info.iPanicCategory.Copy(currentThread->iExitCategory); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1220 |
} |
0 | 1221 |
info.iExceptionNumber = currentThread->iExitReason; |
1222 |
info.iExitType = currentThread->iExitType; |
|
1223 |
info.iEventType = EEventsKillThread; |
|
1224 |
||
1225 |
// Are we debugging this process - decide based on iFileName |
|
1226 |
DCodeSeg* codeSeg = currentThread->iOwningProcess->iCodeSeg; |
|
1227 |
||
1228 |
// remove all the breakpoints in this thread, whether we are debugging it or not. |
|
1229 |
iBreakManager->DoRemoveThreadBreaks(info.iThreadId); |
|
1230 |
||
1231 |
// if the code seg exists then get the file name from it and check we're debugging it |
|
1232 |
if(codeSeg) |
|
1233 |
{ |
|
1234 |
DTargetProcess* foundProcess = TheDProcessTracker.FindProcess(*(codeSeg->iFileName)); |
|
1235 |
if(!foundProcess) |
|
1236 |
{ |
|
1237 |
// not debugging this process so return false |
|
1238 |
return EFalse; |
|
1239 |
} |
|
1240 |
} |
|
1241 |
else |
|
1242 |
{ |
|
1243 |
// can't validate that we are debugging the thread |
|
1244 |
return EFalse; |
|
1245 |
} |
|
1246 |
||
1247 |
info.iArg1 = a1; |
|
1248 |
info.iArg2 = a2; |
|
1249 |
NotifyEvent(info); |
|
1250 |
||
1251 |
return ETrue; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1252 |
} |
0 | 1253 |
|
1254 |
// |
|
1255 |
// DRM_DebugChannel::HandleSwException |
|
1256 |
// |
|
1257 |
TBool DRM_DebugChannel::HandleSwException(TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1258 |
{ |
0 | 1259 |
LOG_EVENT_MSG("DRM_DebugChannel::HandleSwException"); |
1260 |
TExcType aExcType = (TExcType)(TInt)a1; |
|
1261 |
||
1262 |
TDriverEventInfo info; |
|
1263 |
||
1264 |
DThread* currentThread = &Kern::CurrentThread(); |
|
1265 |
if (!currentThread) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1266 |
{ |
0 | 1267 |
LOG_MSG("Error getting current thread"); |
1268 |
__NK_ASSERT_DEBUG(currentThread); |
|
1269 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1270 |
} |
0 | 1271 |
|
1272 |
info.iProcessId = currentThread->iOwningProcess->iId; |
|
1273 |
info.iProcessIdValid = ETrue; |
|
1274 |
info.iThreadId = currentThread->iId; |
|
1275 |
info.iThreadIdValid = ETrue; |
|
1276 |
TInt err = ReadKernelRegisterValue(currentThread, PC_REGISTER, info.iCurrentPC); |
|
1277 |
if(err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1278 |
{ |
0 | 1279 |
LOG_EVENT_MSG2("DRM_DebugChannel::HandleSwException - Non-zero error code discarded: %d", err); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1280 |
} |
0 | 1281 |
info.iExceptionNumber = aExcType; |
1282 |
info.iEventType = EEventsSwExc; |
|
1283 |
info.iArg1 = a1; |
|
1284 |
info.iArg2 = a2; |
|
1285 |
||
1286 |
NotifyEvent(info); |
|
1287 |
||
1288 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1289 |
} |
0 | 1290 |
|
1291 |
// |
|
1292 |
// DRM_DebugChannel::HandleHwException |
|
1293 |
// |
|
1294 |
TBool DRM_DebugChannel::HandleHwException(TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1295 |
{ |
0 | 1296 |
TArmExcInfo* aExcInfo = (TArmExcInfo*)a1; |
1297 |
||
1298 |
// sanity check |
|
1299 |
if (!aExcInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1300 |
{ |
0 | 1301 |
LOG_MSG("DRM_DebugChannel::HandleHwException called with no aExcInfo"); |
1302 |
__NK_ASSERT_DEBUG(aExcInfo); |
|
1303 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1304 |
} |
0 | 1305 |
|
1306 |
TDriverEventInfo info; |
|
1307 |
||
1308 |
DThread* currentThread = &Kern::CurrentThread(); |
|
1309 |
||
1310 |
if (!currentThread) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1311 |
{ |
0 | 1312 |
LOG_MSG("Error getting current thread"); |
1313 |
__NK_ASSERT_DEBUG(currentThread); |
|
1314 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1315 |
} |
0 | 1316 |
|
1317 |
info.iProcessId = currentThread->iOwningProcess->iId; |
|
1318 |
info.iProcessIdValid = ETrue; |
|
1319 |
info.iThreadId = currentThread->iId; |
|
1320 |
info.iThreadIdValid = ETrue; |
|
1321 |
info.iRmdArmExcInfo.iFaultAddress= aExcInfo->iFaultAddress; |
|
1322 |
info.iRmdArmExcInfo.iFaultStatus= aExcInfo->iFaultStatus; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1323 |
|
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1324 |
LOG_MSG5("DRM_DebugChannel::HandleHwException current thread = 0x%08x, CritSect count=%d,\n" |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1325 |
" iFaultAddress=0x%08x, iFaultStatus=0x%08x", |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1326 |
currentThread, currentThread->iNThread.iCsCount, aExcInfo->iFaultAddress, aExcInfo->iFaultStatus); |
0 | 1327 |
|
1328 |
info.iRmdArmExcInfo.iR0= aExcInfo->iR0; |
|
1329 |
info.iRmdArmExcInfo.iR1= aExcInfo->iR1; |
|
1330 |
info.iRmdArmExcInfo.iR2= aExcInfo->iR2; |
|
1331 |
info.iRmdArmExcInfo.iR3= aExcInfo->iR3; |
|
1332 |
||
1333 |
info.iRmdArmExcInfo.iR4= aExcInfo->iR4; |
|
1334 |
info.iRmdArmExcInfo.iR5= aExcInfo->iR5; |
|
1335 |
info.iRmdArmExcInfo.iR6= aExcInfo->iR6; |
|
1336 |
info.iRmdArmExcInfo.iR7= aExcInfo->iR7; |
|
1337 |
info.iRmdArmExcInfo.iR8= aExcInfo->iR8; |
|
1338 |
info.iRmdArmExcInfo.iR9= aExcInfo->iR9; |
|
1339 |
info.iRmdArmExcInfo.iR10= aExcInfo->iR10; |
|
1340 |
info.iRmdArmExcInfo.iR11= aExcInfo->iR11; |
|
1341 |
info.iRmdArmExcInfo.iR12= aExcInfo->iR12; |
|
1342 |
||
1343 |
info.iRmdArmExcInfo.iR13= aExcInfo->iR13; |
|
1344 |
info.iRmdArmExcInfo.iR14= aExcInfo->iR14; |
|
1345 |
info.iRmdArmExcInfo.iR15= aExcInfo->iR15; |
|
1346 |
||
1347 |
info.iRmdArmExcInfo.iCpsr= aExcInfo->iCpsr; |
|
1348 |
info.iRmdArmExcInfo.iR13Svc= aExcInfo->iR13Svc; |
|
1349 |
info.iRmdArmExcInfo.iR14Svc= aExcInfo->iR14Svc; |
|
1350 |
info.iRmdArmExcInfo.iSpsrSvc= aExcInfo->iSpsrSvc; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1351 |
LOG_MSG5(" iCpsr=0x%x, iExcCode=0x%x, R14=0x%x, R15=0x%x", |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1352 |
aExcInfo->iCpsr, aExcInfo->iExcCode, aExcInfo->iR14, aExcInfo->iR15); |
0 | 1353 |
|
1354 |
switch (aExcInfo->iExcCode) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1355 |
{ |
0 | 1356 |
case 0: |
1357 |
info.iExceptionNumber = EExcCodeAbort; |
|
1358 |
LOG_EVENT_MSG(" iExcCode == 0 => EExcCodeAbort"); |
|
1359 |
break; |
|
1360 |
case 1: |
|
1361 |
info.iExceptionNumber = EExcDataAbort; |
|
1362 |
LOG_EVENT_MSG(" iExcCode == 1 => EExcDataAbort"); |
|
1363 |
break; |
|
1364 |
case 2: |
|
1365 |
info.iExceptionNumber = EExcInvalidOpCode; |
|
1366 |
LOG_EVENT_MSG(" iExcCode == 2 => EExcInvalidOpCode"); |
|
1367 |
break; |
|
1368 |
default: |
|
1369 |
// new event? Something gone wrong? |
|
1370 |
__NK_ASSERT_DEBUG(EFalse); |
|
1371 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1372 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1373 |
|
0 | 1374 |
info.iEventType = EEventsHwExc; |
1375 |
||
1376 |
info.iArg1 = a1; |
|
1377 |
info.iArg2 = a2; |
|
1378 |
||
1379 |
if(EExcInvalidOpCode == info.iExceptionNumber) |
|
1380 |
{ |
|
1381 |
return HandleInvalidOpCodeException(info, currentThread); |
|
1382 |
} |
|
1383 |
||
1384 |
NotifyEvent(info); |
|
1385 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1386 |
} |
0 | 1387 |
|
1388 |
// |
|
1389 |
// DRM_DebugChannel::HandUserTrace |
|
1390 |
// |
|
1391 |
TBool DRM_DebugChannel::HandleUserTrace(TAny* a1, TAny* a2) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1392 |
{ |
0 | 1393 |
LOG_EVENT_MSG("DRM_DebugChannel::HandleUserTrace()"); |
1394 |
||
1395 |
DThread* currentThread = &Kern::CurrentThread(); |
|
1396 |
if (!currentThread) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1397 |
{ |
0 | 1398 |
LOG_EVENT_MSG("Error getting current thread"); |
1399 |
__NK_ASSERT_DEBUG(currentThread); |
|
1400 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1401 |
} |
0 | 1402 |
|
1403 |
TDriverEventInfo info; |
|
1404 |
info.iProcessId = currentThread->iOwningProcess->iId; |
|
1405 |
info.iProcessIdValid = ETrue; |
|
1406 |
info.iThreadId = currentThread->iId; |
|
1407 |
info.iThreadIdValid = ETrue; |
|
1408 |
info.iEventType = EEventsUserTrace; |
|
1409 |
info.iArg1 = a1; |
|
1410 |
info.iArg2 = a2; |
|
1411 |
||
1412 |
TInt err = KErrNone; |
|
1413 |
||
1414 |
//User Trace info |
|
1415 |
XTRAP(err, XT_DEFAULT, kumemget(info.iUserTraceText, info.iArg1, (TInt)a2)); |
|
1416 |
if(KErrNone != err) |
|
1417 |
{ |
|
1418 |
return EFalse; |
|
1419 |
} |
|
1420 |
||
1421 |
info.iMessageStatus = ESingleMessage; |
|
1422 |
||
1423 |
NotifyEvent(info); |
|
1424 |
||
1425 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1426 |
} |
0 | 1427 |
|
1428 |
// |
|
1429 |
// DRM_DebugChannel::HandleException |
|
1430 |
// |
|
1431 |
TBool DRM_DebugChannel::HandleInvalidOpCodeException(TDriverEventInfo& aEventInfo, DThread* aCurrentThread) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1432 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1433 |
LOG_MSG("DRM_DebugChannel::HandleInvalidOpCodeException()"); |
0 | 1434 |
|
1435 |
TInt err = KErrNone; |
|
1436 |
||
1437 |
TUint32 inst = KArmBreakPoint; |
|
1438 |
TInt instSize = 4; |
|
1439 |
||
1440 |
// change these for thumb mode |
|
1441 |
TUint32 regValue; |
|
1442 |
err = ReadKernelRegisterValue(aCurrentThread, STATUS_REGISTER, regValue); |
|
1443 |
if(err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1444 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1445 |
LOG_MSG2("DRM_DebugChannel::HandleInvalidOpCodeException - Non-zero error code discarded: %d", err); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1446 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1447 |
|
0 | 1448 |
if (regValue & ECpuThumb) |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1449 |
{ |
0 | 1450 |
inst = KThumbBreakPoint; |
1451 |
instSize = 2; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1452 |
} |
0 | 1453 |
|
1454 |
TUint32 instruction = 0; |
|
1455 |
err = Kern::ThreadRawRead(aCurrentThread, (TUint32 *)aEventInfo.iRmdArmExcInfo.iR15, (TUint8 *)&instruction, instSize); |
|
1456 |
||
1457 |
if (KErrNone != err) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1458 |
LOG_MSG2("Error reading instruction at currentpc: %d", err); |
0 | 1459 |
|
1460 |
if (!memcompare((TUint8 *)&inst, instSize, (TUint8 *)&instruction, instSize)) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1461 |
{ |
0 | 1462 |
TInt err = DoSuspendThread(aCurrentThread); |
1463 |
if(! ((KErrNone == err) || (KErrAlreadyExists == err)) ) |
|
1464 |
{ |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1465 |
LOG_MSG2("DRM_DebugChannel::HandleInvalidOpCodeException() Thread with id 0x%08x could not be suspended.", aCurrentThread->iId); |
0 | 1466 |
return EFalse; |
1467 |
} |
|
1468 |
||
1469 |
// the exception was a breakpoint instruction. see if we have a breakpoint at that address |
|
1470 |
TBreakEntry* breakEntry = NULL; |
|
1471 |
do |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1472 |
{ |
0 | 1473 |
breakEntry = iBreakManager->GetNextBreak(breakEntry); |
1474 |
if (breakEntry && ((breakEntry->iThreadSpecific && breakEntry->iId == aEventInfo.iThreadId) || (!breakEntry->iThreadSpecific && breakEntry->iId == aEventInfo.iProcessId)) && breakEntry->iAddress == aEventInfo.iRmdArmExcInfo.iR15) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1475 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1476 |
LOG_MSG2("Breakpoint with Id %d has been hit", breakEntry->iBreakId); |
0 | 1477 |
|
1478 |
TBreakEntry tempBreakEntry = *breakEntry; |
|
1479 |
||
1480 |
//change the event type to breakpoint type |
|
1481 |
aEventInfo.iEventType = breakEntry->iThreadSpecific ? EEventsBreakPoint : EEventsProcessBreakPoint; |
|
1482 |
||
1483 |
// enable any breakpoints we had to disable for this thread |
|
1484 |
err = iBreakManager->DoEnableDisabledBreak(aEventInfo.iThreadId); |
|
1485 |
if (KErrNone != err) |
|
1486 |
LOG_MSG2("Error %d enabling disabled breakpoints", err); |
|
1487 |
||
1488 |
// see if this is a temp breakpoint |
|
1489 |
if (iBreakManager->IsTemporaryBreak(*breakEntry)) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1490 |
{ |
0 | 1491 |
// this was a temp breakpoint, so we need to clear it now |
1492 |
err = iBreakManager->DoClearBreak(breakEntry->iBreakId); |
|
1493 |
if (KErrNone != err) |
|
1494 |
LOG_MSG2("Error %d clearing temp breakpoint", err); |
|
1495 |
||
1496 |
// Find out how many steps remain to be done |
|
1497 |
||
1498 |
// reduce the number of steps to complete by 1 |
|
1499 |
tempBreakEntry.iNumSteps--; |
|
1500 |
||
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1501 |
LOG_MSG2("There are %d steps remaining\n", tempBreakEntry.iNumSteps); |
0 | 1502 |
|
1503 |
// New. If we have not finished do all the steps, continue stepping and don't notify event |
|
1504 |
if (tempBreakEntry.iNumSteps) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1505 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1506 |
LOG_MSG("Continuing stepping...not telling the agent yet\n"); |
0 | 1507 |
err = DoStepRange(aCurrentThread, aEventInfo.iRmdArmExcInfo.iR15, aEventInfo.iRmdArmExcInfo.iR15, ETrue, tempBreakEntry.iResumeOnceOutOfRange /*EFalse*/, tempBreakEntry.iNumSteps, ETrue); |
1508 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1509 |
{ |
0 | 1510 |
LOG_EVENT_MSG("Failed to continue stepping\n"); |
1511 |
||
1512 |
// what do we do? might as well stop here and tell the user |
|
1513 |
NotifyEvent(aEventInfo); |
|
1514 |
||
1515 |
return ETrue; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1516 |
} |
0 | 1517 |
|
1518 |
// continue as though no event occured. No need to suspend/resume anything... |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1519 |
LOG_MSG("Continuing to step\n"); |
0 | 1520 |
return ETrue; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1521 |
} |
0 | 1522 |
|
1523 |
// Is this a case where we just want to continue? |
|
1524 |
if (tempBreakEntry.iResumeOnceOutOfRange) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1525 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1526 |
LOG_MSG("PC is out of range, continuing thread"); |
0 | 1527 |
DoResumeThread(aCurrentThread); |
1528 |
||
1529 |
return ETrue; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1530 |
} |
0 | 1531 |
} |
1532 |
||
1533 |
// if the breakpoint is thread specific, make sure it's the right thread |
|
1534 |
// if not, just continue the thread. take special care if it's the debugger |
|
1535 |
// thread. if it hits a regular breakpoint, we NEVER want to stop at it. if |
|
1536 |
// it hits a temp breakpoint, we're probably just stepping past a real breakpoint |
|
1537 |
// and we do need to handle it. |
|
1538 |
TBool needToResume = (tempBreakEntry.iThreadSpecific && tempBreakEntry.iId != aEventInfo.iThreadId) || |
|
1539 |
(!tempBreakEntry.iThreadSpecific && tempBreakEntry.iId != aEventInfo.iProcessId); |
|
1540 |
||
1541 |
if (needToResume) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1542 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1543 |
LOG_MSG("breakpoint does not match threadId, calling DoResumeThread"); |
0 | 1544 |
err = DoResumeThread(aCurrentThread); |
1545 |
if (KErrNone != err) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1546 |
LOG_MSG2("Error in DoResumeThread: %d", err); |
0 | 1547 |
|
1548 |
return EFalse; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1549 |
} |
0 | 1550 |
|
1551 |
//normal user break point, just notify the event |
|
1552 |
break; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1553 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1554 |
} while(breakEntry); |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1555 |
} |
0 | 1556 |
|
1557 |
NotifyEvent(aEventInfo); |
|
1558 |
||
1559 |
return (aEventInfo.iEventType == EEventsBreakPoint) || (aEventInfo.iEventType == EEventsProcessBreakPoint); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1560 |
} |
0 | 1561 |
|
1562 |
// |
|
1563 |
// DRM_DebugChannel::SetBreak |
|
1564 |
// |
|
1565 |
TInt DRM_DebugChannel::SetBreak(TSetBreakInfo* aBreakInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1566 |
{ |
0 | 1567 |
LOG_MSG("DRM_DebugChannel::SetBreak()"); |
1568 |
||
1569 |
TInt err = KErrNone; |
|
1570 |
||
1571 |
if (!aBreakInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1572 |
{ |
0 | 1573 |
LOG_MSG("DRM_DebugChannel::SetBreak() was passed a NULL argument"); |
1574 |
return KErrArgument; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1575 |
} |
0 | 1576 |
|
1577 |
//User side memory is not accessible directly |
|
1578 |
TSetBreakInfo info; |
|
1579 |
err = Kern::ThreadRawRead(iClientThread, aBreakInfo, (TUint8*)&info, sizeof(TSetBreakInfo)); |
|
1580 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1581 |
{ |
0 | 1582 |
LOG_MSG("DRM_DebugChannel::SetBreak() was passed a bad argument"); |
1583 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1584 |
} |
0 | 1585 |
|
1586 |
DProcess* process = NULL; |
|
1587 |
if(info.iThreadSpecific) |
|
1588 |
{ |
|
1589 |
// if the target thread is not suspended then return KErrInUse |
|
1590 |
if(!TheDProcessTracker.CheckSuspended(info.iId)) |
|
1591 |
{ |
|
1592 |
LOG_MSG2("DRM_DebugChannel::SetBreak() Thread with id 0x%08x not suspended.", info.iId); |
|
1593 |
return KErrInUse; |
|
1594 |
} |
|
1595 |
DThread* thread = DebugUtils::OpenThreadHandle(info.iId); |
|
1596 |
if(!thread) |
|
1597 |
{ |
|
1598 |
LOG_MSG2("DRM_DebugChannel::SetBreak() Thread with id 0x%08x not found", info.iId); |
|
1599 |
return KErrNotFound; |
|
1600 |
} |
|
1601 |
process = DebugUtils::OpenProcessHandle(thread->iOwningProcess->iId); |
|
1602 |
thread->Close(NULL); |
|
1603 |
} |
|
1604 |
else |
|
1605 |
{ |
|
1606 |
process = DebugUtils::OpenProcessHandle(info.iId); |
|
1607 |
} |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1608 |
|
0 | 1609 |
if(!process) |
1610 |
{ |
|
1611 |
LOG_MSG2("DRM_DebugChannel::SetBreak() Process with id 0x%08x not found", process->iId); |
|
1612 |
return KErrNotFound; |
|
1613 |
} |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1614 |
|
0 | 1615 |
TBool found = EFalse; |
1616 |
for(TInt i=0; i<iDebugProcessList.Count(); i++) |
|
1617 |
{ |
|
1618 |
if(process->iId == iDebugProcessList[i].iId) |
|
1619 |
{ |
|
1620 |
found = ETrue; |
|
1621 |
} |
|
1622 |
} |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1623 |
|
0 | 1624 |
if(!found) |
1625 |
{ |
|
1626 |
DCodeSeg* codeSeg = process->iCodeSeg; |
|
1627 |
if (!codeSeg) |
|
1628 |
{ |
|
1629 |
LOG_MSG2("DRM_DebugChannel::SetBreak() Code seg for process with id 0x%08x not found", process->iId); |
|
1630 |
return KErrNotFound; |
|
1631 |
} |
|
1632 |
||
1633 |
TModuleMemoryInfo memoryInfo; |
|
1634 |
TInt err = codeSeg->GetMemoryInfo(memoryInfo, process); |
|
1635 |
if (err != KErrNone) |
|
1636 |
{ |
|
1637 |
LOG_MSG2("DRM_DebugChannel::SetBreak() Error getting memory info for process with id 0x%08x", process->iId); |
|
1638 |
return err; |
|
1639 |
} |
|
1640 |
||
1641 |
//add this process to the list of processes that we are debugging |
|
1642 |
TProcessInfo processInfo(process->iId, memoryInfo.iCodeBase, memoryInfo.iCodeSize, memoryInfo.iInitialisedDataBase); |
|
1643 |
iDebugProcessList.Append(processInfo); |
|
1644 |
process->Close(NULL); |
|
1645 |
} |
|
1646 |
||
1647 |
if (!info.iBreakId) //first check if the iId address is valid |
|
1648 |
return KErrArgument; |
|
1649 |
||
1650 |
if (err == KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1651 |
{ |
0 | 1652 |
TInt32 iBreakId; |
1653 |
||
1654 |
err = iBreakManager->DoSetBreak(iBreakId, info.iId, info.iThreadSpecific, info.iAddress, info.iMode ); |
|
1655 |
||
1656 |
if (err == KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1657 |
{ |
0 | 1658 |
err = Kern::ThreadRawWrite(iClientThread, (TUint8 *)info.iBreakId, &iBreakId, sizeof(TInt32), iClientThread); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1659 |
} |
0 | 1660 |
} |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1661 |
|
0 | 1662 |
return err; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1663 |
} |
0 | 1664 |
|
1665 |
// |
|
1666 |
// DRM_DebugChannel::StepRange |
|
1667 |
// |
|
1668 |
TInt DRM_DebugChannel::StepRange(DThread* aThread, TRM_DebugStepInfo* aStepInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1669 |
{ |
0 | 1670 |
LOG_MSG("DRM_DebugChannel::StepRange()"); |
1671 |
||
1672 |
TInt err = KErrNone; |
|
1673 |
||
1674 |
if(!TheDProcessTracker.CheckSuspended(aThread)) |
|
1675 |
{ |
|
1676 |
LOG_MSG2("DRM_DebugChannel::StepRange() Thread with id 0x%08x not suspended.", aThread->iId); |
|
1677 |
return KErrInUse; |
|
1678 |
} |
|
1679 |
||
1680 |
if (!aStepInfo) |
|
1681 |
return KErrArgument; |
|
1682 |
||
1683 |
TRM_DebugStepInfo info(0, 0, 0); |
|
1684 |
err = Kern::ThreadRawRead(iClientThread, aStepInfo, (TUint8*)&info, sizeof(TRM_DebugStepInfo)); |
|
1685 |
||
1686 |
if (err != KErrNone) |
|
1687 |
return err; |
|
1688 |
||
1689 |
err = DoStepRange(aThread, info.iStartAddress, info.iStopAddress, info.iStepInto, EFalse, ETrue); |
|
1690 |
||
1691 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1692 |
} |
0 | 1693 |
|
1694 |
/** |
|
1695 |
Read memory from a target thread and return the data to the client. If the |
|
1696 |
memory block has breakpoints in it then the correct values are placed in the |
|
1697 |
returned data |
|
1698 |
||
1699 |
@param aThread pointer to thread whose memory space the memory is to be read from |
|
1700 |
@param aMemoryInfo information about what memory to read |
|
1701 |
||
1702 |
@return KErrNone if memory read successfully, |
|
1703 |
KErrArgument if aMemoryInfo is not initialised correctly, |
|
1704 |
KErrNoMemory if a temporary buffer could not be allocated, |
|
1705 |
KErrBadHandle if aThread is invalid, |
|
1706 |
or another of the system wide error codes |
|
1707 |
*/ |
|
1708 |
TInt DRM_DebugChannel::ReadMemory(DThread* aThread, TRM_DebugMemoryInfo* aMemoryInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1709 |
{ |
0 | 1710 |
LOG_MSG("DRM_DebugChannel::ReadMemory()"); |
1711 |
||
1712 |
TInt err = KErrNone; |
|
1713 |
||
1714 |
if (!aMemoryInfo) |
|
1715 |
return KErrArgument; |
|
1716 |
||
1717 |
TRM_DebugMemoryInfo info(0, 0, 0); |
|
1718 |
err = Kern::ThreadRawRead(iClientThread, aMemoryInfo, (TUint8*)&info, sizeof(TRM_DebugMemoryInfo)); |
|
1719 |
if (err != KErrNone) |
|
1720 |
return err; |
|
1721 |
||
1722 |
if (!info.iData) |
|
1723 |
return KErrArgument; |
|
1724 |
||
1725 |
NKern::ThreadEnterCS(); |
|
1726 |
TUint8 *data = (TUint8*)Kern::Alloc(info.iLength); |
|
1727 |
NKern::ThreadLeaveCS(); |
|
1728 |
if (!data) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1729 |
{ |
0 | 1730 |
return KErrNoMemory; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1731 |
} |
0 | 1732 |
|
1733 |
TPtr8 dataDes(data, info.iLength); |
|
1734 |
||
1735 |
err = DoReadMemory(aThread, info.iAddress, info.iLength, dataDes); |
|
1736 |
if (err == KErrNone) |
|
1737 |
{ |
|
1738 |
err = Kern::ThreadDesWrite(iClientThread, info.iData, dataDes, 0, KChunkShiftBy0, iClientThread); |
|
1739 |
} |
|
1740 |
||
1741 |
NKern::ThreadEnterCS(); |
|
1742 |
Kern::Free(data); |
|
1743 |
NKern::ThreadLeaveCS(); |
|
1744 |
||
1745 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1746 |
} |
0 | 1747 |
|
1748 |
/** |
|
1749 |
Attempt to write memory to aThread's address space |
|
1750 |
||
1751 |
@param aThread thread to whose address space memory is to be written |
|
1752 |
@param aMemoryInfo memory info object representing the data to write |
|
1753 |
||
1754 |
@return KErrNone if memory written successfully, |
|
1755 |
KErrNoMemory if memory could not be allocated |
|
1756 |
KErrArgument if aMemoryInfo is NULL, if aMemoryInfo.iData is NULL, |
|
1757 |
if aMemoryInfo.iLength is greater than than the length of the passed |
|
1758 |
in descrptor |
|
1759 |
KErrBadHandle if aThread is invalid, |
|
1760 |
or another of the system wide error codes |
|
1761 |
*/ |
|
1762 |
TInt DRM_DebugChannel::WriteMemory(DThread* aThread, TRM_DebugMemoryInfo* aMemoryInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1763 |
{ |
0 | 1764 |
LOG_MSG("DRM_DebugChannel::WriteMemory()"); |
1765 |
||
1766 |
TInt err = KErrNone; |
|
1767 |
||
1768 |
if (!aMemoryInfo) |
|
1769 |
return KErrArgument; |
|
1770 |
||
1771 |
TRM_DebugMemoryInfo info(0, 0, 0); |
|
1772 |
err = Kern::ThreadRawRead(iClientThread, aMemoryInfo, (TUint8*)&info, sizeof(TRM_DebugMemoryInfo)); |
|
1773 |
if (err != KErrNone) |
|
1774 |
return err; |
|
1775 |
||
1776 |
if (!info.iData) |
|
1777 |
return KErrArgument; |
|
1778 |
||
1779 |
NKern::ThreadEnterCS(); |
|
1780 |
TUint8 *data = (TUint8*)Kern::Alloc(info.iLength); |
|
1781 |
NKern::ThreadLeaveCS(); |
|
1782 |
if (!data) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1783 |
{ |
0 | 1784 |
return KErrNoMemory; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1785 |
} |
0 | 1786 |
|
1787 |
TPtr8 dataDes(data, info.iLength); |
|
1788 |
||
1789 |
err = Kern::ThreadDesRead(iClientThread, info.iData, dataDes, 0); |
|
1790 |
if (err == KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1791 |
{ |
0 | 1792 |
err = DoWriteMemory(aThread, info.iAddress, info.iLength, dataDes); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1793 |
} |
0 | 1794 |
|
1795 |
NKern::ThreadEnterCS(); |
|
1796 |
Kern::Free(data); |
|
1797 |
NKern::ThreadLeaveCS(); |
|
1798 |
||
1799 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1800 |
} |
0 | 1801 |
|
1802 |
// |
|
1803 |
// DRM_DebugChannel::ReadRegisters |
|
1804 |
// |
|
1805 |
TInt DRM_DebugChannel::ReadRegistersLegacy(DThread* aThread, TRM_DebugRegisterInfo* aRegisterInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1806 |
{ |
0 | 1807 |
LOG_MSG("DRM_DebugChannel::ReadRegistersLegacy()"); |
1808 |
||
1809 |
TInt err = KErrNone; |
|
1810 |
||
1811 |
if (!aRegisterInfo) |
|
1812 |
return KErrArgument; |
|
1813 |
||
1814 |
TRM_DebugRegisterInfo info(0, 0, 0); |
|
1815 |
err = Kern::ThreadRawRead(iClientThread, aRegisterInfo, (TUint8*)&info, sizeof(TRM_DebugRegisterInfo)); |
|
1816 |
if (err != KErrNone) |
|
1817 |
return err; |
|
1818 |
||
1819 |
if (!info.iValues) |
|
1820 |
return KErrArgument; |
|
1821 |
||
1822 |
TUint length = (info.iLastRegister - info.iFirstRegister + 1) * 4; |
|
1823 |
||
1824 |
NKern::ThreadEnterCS(); |
|
1825 |
TUint8 *values = (TUint8*)Kern::Alloc(length); |
|
1826 |
NKern::ThreadLeaveCS(); |
|
1827 |
if (!values) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1828 |
{ |
0 | 1829 |
return KErrNoMemory; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1830 |
} |
0 | 1831 |
|
1832 |
TPtr8 valuesDes(values, length); |
|
1833 |
||
1834 |
err = DoReadRegisters(aThread, info.iFirstRegister, info.iLastRegister, valuesDes); |
|
1835 |
if (err == KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1836 |
{ |
0 | 1837 |
err = Kern::ThreadDesWrite(iClientThread, info.iValues, valuesDes, 0, KChunkShiftBy0, iClientThread); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1838 |
} |
0 | 1839 |
|
1840 |
NKern::ThreadEnterCS(); |
|
1841 |
Kern::Free(values); |
|
1842 |
NKern::ThreadLeaveCS(); |
|
1843 |
||
1844 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1845 |
} |
0 | 1846 |
|
1847 |
/** |
|
1848 |
Get listing information. |
|
1849 |
||
1850 |
@param aListInformation pointer to a TListInformation object containing the |
|
1851 |
user specified listings information |
|
1852 |
||
1853 |
@return KErrNone on success, |
|
1854 |
KErrTooBig if the kernel's data is too big to fit in the passed buffer, |
|
1855 |
KErrArgument if aListInformation is NULL, |
|
1856 |
or one of the other system-wide error codes |
|
1857 |
*/ |
|
1858 |
TInt DRM_DebugChannel::GetList(TListInformation* aListInformation) const |
|
1859 |
{ |
|
1860 |
LOG_MSG("DRM_DebugChannel::GetList()"); |
|
1861 |
||
1862 |
TInt err = KErrNone; |
|
1863 |
||
1864 |
if(aListInformation == NULL) |
|
1865 |
{ |
|
1866 |
return KErrArgument; |
|
1867 |
} |
|
1868 |
||
1869 |
//read DSS' data into local structure |
|
1870 |
TListInformation info; |
|
1871 |
err = Kern::ThreadRawRead(iClientThread, aListInformation, (TUint8*)&info, sizeof(TListInformation)); |
|
1872 |
if(err != KErrNone) |
|
1873 |
{ |
|
1874 |
return err; |
|
1875 |
} |
|
1876 |
||
1877 |
//check arguments |
|
1878 |
TPtr8 buffer(NULL, 0); |
|
1879 |
err = AllocAndReadDes(iClientThread, *info.iBuffer, buffer); |
|
1880 |
if(err != KErrNone) |
|
1881 |
{ |
|
1882 |
//need to free the buffer if it was allocated |
|
1883 |
if(err != KErrNoMemory) |
|
1884 |
{ |
|
1885 |
NKern::ThreadEnterCS(); |
|
1886 |
Kern::Free((TAny*)buffer.Ptr()); |
|
1887 |
NKern::ThreadLeaveCS(); |
|
1888 |
} |
|
1889 |
return err; |
|
1890 |
} |
|
1891 |
||
1892 |
//get the list |
|
1893 |
TUint32 dataSize = 0; |
|
1894 |
TListManager manager; |
|
1895 |
err = KErrArgument; |
|
1896 |
switch(info.iType) |
|
1897 |
{ |
|
1898 |
case EXipLibraries: |
|
1899 |
if(Debug::EScopeGlobal == info.iListScope) |
|
1900 |
{ |
|
1901 |
err = manager.GetXipLibrariesList(buffer, dataSize); |
|
1902 |
} |
|
1903 |
break; |
|
1904 |
||
1905 |
case EThreads: |
|
1906 |
if(Debug::EScopeGlobal == info.iListScope) |
|
1907 |
{ |
|
1908 |
err = manager.GetGlobalThreadList(buffer, dataSize); |
|
1909 |
} |
|
1910 |
else if(Debug::EScopeProcessSpecific == info.iListScope) |
|
1911 |
{ |
|
1912 |
err = manager.GetThreadListForProcess(buffer, dataSize, info.iTargetId); |
|
1913 |
} |
|
1914 |
else if(Debug::EScopeThreadSpecific == info.iListScope) |
|
1915 |
{ |
|
1916 |
err = manager.GetThreadListForThread(buffer, dataSize, info.iTargetId); |
|
1917 |
} |
|
1918 |
break; |
|
1919 |
||
1920 |
case EProcesses: |
|
1921 |
if(Debug::EScopeGlobal == info.iListScope) |
|
1922 |
{ |
|
1923 |
err = manager.GetProcessList(buffer, dataSize); |
|
1924 |
} |
|
1925 |
break; |
|
1926 |
||
1927 |
case ECodeSegs: |
|
1928 |
if(Debug::EScopeGlobal == info.iListScope) |
|
1929 |
{ |
|
1930 |
err = manager.GetGlobalCodeSegList(buffer, dataSize); |
|
1931 |
} |
|
1932 |
else if(Debug::EScopeProcessSpecific == info.iListScope) |
|
1933 |
{ |
|
1934 |
err = manager.GetCodeSegListForProcess(buffer, dataSize, info.iTargetId); |
|
1935 |
} |
|
1936 |
else if(Debug::EScopeThreadSpecific == info.iListScope) |
|
1937 |
{ |
|
1938 |
err = manager.GetCodeSegListForThread(buffer, dataSize, info.iTargetId); |
|
1939 |
} |
|
1940 |
break; |
|
1941 |
||
1942 |
default: |
|
1943 |
err = KErrNotSupported; |
|
1944 |
} |
|
1945 |
||
1946 |
if(err == KErrNone) |
|
1947 |
{ |
|
1948 |
//if no error then write the buffer back |
|
1949 |
err = Kern::ThreadDesWrite(iClientThread, info.iBuffer, buffer, 0, KChunkShiftBy0, iClientThread); |
|
1950 |
} |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1951 |
|
0 | 1952 |
//write back the size of the data regardless of any error |
1953 |
TInt writeErr = Kern::ThreadRawWrite(iClientThread, info.iDataSize, (TUint8*)&dataSize, sizeof(TUint32), iClientThread); |
|
1954 |
if(writeErr != KErrNone) |
|
1955 |
{ |
|
1956 |
//if there was an error writing the size return that error instead |
|
1957 |
err = writeErr; |
|
1958 |
} |
|
1959 |
||
1960 |
//free the buffer |
|
1961 |
NKern::ThreadEnterCS(); |
|
1962 |
Kern::Free((TAny*)buffer.Ptr()); |
|
1963 |
NKern::ThreadLeaveCS(); |
|
1964 |
||
1965 |
return err; |
|
1966 |
} |
|
1967 |
||
1968 |
/** |
|
1969 |
Read registers and store register data in aRegisterInfo |
|
1970 |
||
1971 |
@param aThread thread to read registers from |
|
1972 |
@param aRegisterInfo structure specifying which registers to read and providing |
|
1973 |
descriptors to write the register data into |
|
1974 |
||
1975 |
@return KErrNone if registers were read successfully. Note that this does not |
|
1976 |
mean that all the registers could be read, the |
|
1977 |
aRegisterInfo.iRegisterFlags array should be checked as to whether each |
|
1978 |
individual register could be read, |
|
1979 |
KErrArgument if aRegisterInfo is NULL, or if any of the pointers that |
|
1980 |
are members of aRegisterInfo are NULL, if an unknown register is |
|
1981 |
specified or if the passed in register values buffer is too small |
|
1982 |
KErrNoMemory if there is insufficient memory, |
|
1983 |
KErrDied, if the thread with thread ID aThreadId is dead |
|
1984 |
*/ |
|
1985 |
TInt DRM_DebugChannel::ReadRegisters(DThread* aThread, TRM_DebugRegisterInformation* aRegisterInfo) const |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1986 |
{ |
0 | 1987 |
LOG_MSG("DRM_DebugChannel::ReadRegisters()"); |
1988 |
||
1989 |
TInt err = KErrNone; |
|
1990 |
||
1991 |
if (!aRegisterInfo) |
|
1992 |
return KErrArgument; |
|
1993 |
||
1994 |
TRM_DebugRegisterInformation info; |
|
1995 |
err = Kern::ThreadRawRead(iClientThread, aRegisterInfo, (TUint8*)&info, sizeof(TRM_DebugRegisterInformation)); |
|
1996 |
if (err != KErrNone) |
|
1997 |
return err; |
|
1998 |
||
1999 |
if ((!info.iRegisterIds) || (!info.iRegisterValues) || (!info.iRegisterFlags)) |
|
2000 |
return KErrArgument; |
|
2001 |
||
2002 |
//read ids from client thread |
|
2003 |
TPtr8 ids(NULL, 0); |
|
2004 |
err = AllocAndReadDes(iClientThread, *info.iRegisterIds, ids); |
|
2005 |
if(err != KErrNone) |
|
2006 |
{ |
|
2007 |
if(err == KErrNoMemory) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2008 |
{ |
0 | 2009 |
NKern::ThreadEnterCS(); |
2010 |
Kern::Free((TAny*)ids.Ptr()); |
|
2011 |
NKern::ThreadLeaveCS(); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2012 |
} |
0 | 2013 |
return err; |
2014 |
} |
|
2015 |
||
2016 |
//read values from client thread |
|
2017 |
TPtr8 values(NULL, 0); |
|
2018 |
err = AllocAndReadDes(iClientThread, *info.iRegisterValues, values, EFalse); |
|
2019 |
if(err != KErrNone) |
|
2020 |
{ |
|
2021 |
if(err == KErrNoMemory) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2022 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2023 |
NKern::ThreadEnterCS(); |
0 | 2024 |
Kern::Free((TAny*)values.Ptr()); |
2025 |
NKern::ThreadLeaveCS(); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2026 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2027 |
|
0 | 2028 |
NKern::ThreadEnterCS(); |
2029 |
Kern::Free((TAny*)ids.Ptr()); |
|
2030 |
NKern::ThreadLeaveCS(); |
|
2031 |
return err; |
|
2032 |
} |
|
2033 |
||
2034 |
//read flags from client thread |
|
2035 |
TPtr8 flags(NULL, 0); |
|
2036 |
err = AllocAndReadDes(iClientThread, *info.iRegisterFlags, flags, EFalse); |
|
2037 |
if(err != KErrNone) |
|
2038 |
{ |
|
2039 |
if(err == KErrNoMemory) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2040 |
{ |
0 | 2041 |
NKern::ThreadEnterCS(); |
2042 |
Kern::Free((TAny*)flags.Ptr()); |
|
2043 |
NKern::ThreadLeaveCS(); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2044 |
} |
0 | 2045 |
NKern::ThreadEnterCS(); |
2046 |
Kern::Free((TAny*)ids.Ptr()); |
|
2047 |
Kern::Free((TAny*)values.Ptr()); |
|
2048 |
NKern::ThreadLeaveCS(); |
|
2049 |
return err; |
|
2050 |
} |
|
2051 |
||
2052 |
err = DoReadRegisters(aThread, ids, values, flags); |
|
2053 |
if (err == KErrNone) |
|
2054 |
{ |
|
2055 |
err = Kern::ThreadDesWrite(iClientThread, info.iRegisterValues, values, 0, KChunkShiftBy0, iClientThread); |
|
2056 |
if(err == KErrNone) |
|
2057 |
{ |
|
2058 |
err = Kern::ThreadDesWrite(iClientThread, info.iRegisterFlags, flags, 0, KChunkShiftBy0, iClientThread); |
|
2059 |
} |
|
2060 |
} |
|
2061 |
||
2062 |
NKern::ThreadEnterCS(); |
|
2063 |
Kern::Free((TAny*)ids.Ptr()); |
|
2064 |
Kern::Free((TAny*)values.Ptr()); |
|
2065 |
Kern::Free((TAny*)flags.Ptr()); |
|
2066 |
NKern::ThreadLeaveCS(); |
|
2067 |
||
2068 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2069 |
} |
0 | 2070 |
|
2071 |
/** |
|
2072 |
@deprecated use DRM_DebugChannel::WriteRegisters(DThread* aThread, TRM_DebugRegisterInformation* aRegisterInfo) instead |
|
2073 |
*/ |
|
2074 |
TInt DRM_DebugChannel::WriteRegistersLegacy(DThread* aThread, const TRM_DebugRegisterInfo* aRegisterInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2075 |
{ |
0 | 2076 |
LOG_MSG("DRM_DebugChannel::WriteRegistersLegacy()"); |
2077 |
||
2078 |
TInt err = KErrNone; |
|
2079 |
||
2080 |
if (!aRegisterInfo) |
|
2081 |
return KErrArgument; |
|
2082 |
||
2083 |
TRM_DebugRegisterInfo info(0, 0, 0); |
|
2084 |
err = Kern::ThreadRawRead(iClientThread, aRegisterInfo, (TUint8*)&info, sizeof(TRM_DebugRegisterInfo)); |
|
2085 |
if (err != KErrNone) |
|
2086 |
return err; |
|
2087 |
||
2088 |
if (!info.iValues) |
|
2089 |
return KErrArgument; |
|
2090 |
||
2091 |
TUint length = (info.iLastRegister - info.iFirstRegister + 1) * 4; |
|
2092 |
||
2093 |
NKern::ThreadEnterCS(); |
|
2094 |
TUint8 *values = (TUint8*)Kern::Alloc(length); |
|
2095 |
NKern::ThreadLeaveCS(); |
|
2096 |
if (!values) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2097 |
{ |
0 | 2098 |
return KErrNoMemory; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2099 |
} |
0 | 2100 |
|
2101 |
TPtr8 valuesDes(values, length); |
|
2102 |
||
2103 |
err = Kern::ThreadDesRead(iClientThread, info.iValues, valuesDes, 0); |
|
2104 |
if (err == KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2105 |
{ |
0 | 2106 |
err = DoWriteRegisters(aThread, info.iFirstRegister, info.iLastRegister, valuesDes); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2107 |
} |
0 | 2108 |
|
2109 |
NKern::ThreadEnterCS(); |
|
2110 |
Kern::Free(values); |
|
2111 |
NKern::ThreadLeaveCS(); |
|
2112 |
||
2113 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2114 |
} |
0 | 2115 |
|
2116 |
/** |
|
2117 |
Write registers and store flags data in aRegisterInfo |
|
2118 |
||
2119 |
@param aThread thread to write registers to |
|
2120 |
@param aRegisterInfo structure specifying which registers to write and providing |
|
2121 |
descriptors to write the register flags data into |
|
2122 |
||
2123 |
@return KErrNone if registers were written successfully. Note that this does not |
|
2124 |
mean that all the registers could be written, the flags array |
|
2125 |
should be checked as to whether each individual register could be read, |
|
2126 |
KErrArgument if aRegisterInfo is NULL, or if any of the pointers that |
|
2127 |
are members of aRegisterInfo are NULL, if an unknown register is |
|
2128 |
specified or if the passed in register values buffer is too small, or |
|
2129 |
if aThread is NULL, |
|
2130 |
KErrGeneral if there was a problem initialising the register set, |
|
2131 |
KErrNoMemory if there is insufficient memory, |
|
2132 |
KErrDied, if the thread with thread ID aThreadId is dead |
|
2133 |
*/ |
|
2134 |
TInt DRM_DebugChannel::WriteRegisters(DThread* aThread, TRM_DebugRegisterInformation* aRegisterInfo) const |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2135 |
{ |
0 | 2136 |
LOG_MSG("DRM_DebugChannel::WriteRegisters()"); |
2137 |
||
2138 |
TInt err = KErrNone; |
|
2139 |
||
2140 |
if (!aRegisterInfo) |
|
2141 |
return KErrArgument; |
|
2142 |
||
2143 |
TRM_DebugRegisterInformation info; |
|
2144 |
err = Kern::ThreadRawRead(iClientThread, aRegisterInfo, (TUint8*)&info, sizeof(TRM_DebugRegisterInformation)); |
|
2145 |
if (err != KErrNone) |
|
2146 |
return err; |
|
2147 |
||
2148 |
if ((!info.iRegisterIds) || (!info.iRegisterValues) ||(!info.iRegisterFlags)) |
|
2149 |
return KErrArgument; |
|
2150 |
||
2151 |
//read ids from client thread |
|
2152 |
TPtr8 ids(NULL, 0); |
|
2153 |
err = AllocAndReadDes(iClientThread, *info.iRegisterIds, ids); |
|
2154 |
if(err != KErrNone) |
|
2155 |
{ |
|
2156 |
if(err == KErrNoMemory) |
|
2157 |
{ |
|
2158 |
NKern::ThreadEnterCS(); |
|
2159 |
Kern::Free((TAny*)ids.Ptr()); |
|
2160 |
NKern::ThreadLeaveCS(); |
|
2161 |
} |
|
2162 |
return err; |
|
2163 |
} |
|
2164 |
||
2165 |
//read values from client thread |
|
2166 |
TPtr8 values(NULL, 0); |
|
2167 |
err = AllocAndReadDes(iClientThread, *info.iRegisterValues, values); |
|
2168 |
if(err != KErrNone) |
|
2169 |
{ |
|
2170 |
if(err == KErrNoMemory) |
|
2171 |
{ |
|
2172 |
NKern::ThreadEnterCS(); |
|
2173 |
Kern::Free((TAny*)values.Ptr()); |
|
2174 |
NKern::ThreadLeaveCS(); |
|
2175 |
} |
|
2176 |
NKern::ThreadEnterCS(); |
|
2177 |
Kern::Free((TAny*)ids.Ptr()); |
|
2178 |
NKern::ThreadLeaveCS(); |
|
2179 |
return err; |
|
2180 |
} |
|
2181 |
||
2182 |
//read flags from client thread |
|
2183 |
TPtr8 flags(NULL, 0); |
|
2184 |
err = AllocAndReadDes(iClientThread, *info.iRegisterFlags, flags, EFalse); |
|
2185 |
if(err != KErrNone) |
|
2186 |
{ |
|
2187 |
if(err == KErrNoMemory) |
|
2188 |
{ |
|
2189 |
NKern::ThreadEnterCS(); |
|
2190 |
Kern::Free((TAny*)flags.Ptr()); |
|
2191 |
NKern::ThreadLeaveCS(); |
|
2192 |
} |
|
2193 |
NKern::ThreadEnterCS(); |
|
2194 |
Kern::Free((TAny*)ids.Ptr()); |
|
2195 |
Kern::Free((TAny*)values.Ptr()); |
|
2196 |
NKern::ThreadLeaveCS(); |
|
2197 |
return err; |
|
2198 |
} |
|
2199 |
||
2200 |
err = DoWriteRegisters(aThread, ids, values, flags); |
|
2201 |
if(err == KErrNone) |
|
2202 |
{ |
|
2203 |
err = Kern::ThreadDesWrite(iClientThread, info.iRegisterFlags, flags, 0, KChunkShiftBy0, iClientThread); |
|
2204 |
} |
|
2205 |
||
2206 |
NKern::ThreadEnterCS(); |
|
2207 |
Kern::Free((TAny*)ids.Ptr()); |
|
2208 |
Kern::Free((TAny*)values.Ptr()); |
|
2209 |
Kern::Free((TAny*)flags.Ptr()); |
|
2210 |
NKern::ThreadLeaveCS(); |
|
2211 |
||
2212 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2213 |
} |
0 | 2214 |
|
2215 |
/** |
|
2216 |
Suspends execution of the specified thread. |
|
2217 |
||
2218 |
@param aThread thread to resume |
|
2219 |
||
2220 |
@return KErrNone if there were no problems or KErrArgument if aThread is NULL |
|
2221 |
*/ |
|
2222 |
TInt DRM_DebugChannel::DoSuspendThread(DThread *aThread) |
|
2223 |
{ |
|
2224 |
LOG_MSG("DRM_DebugChannel::DoSuspendThread()"); |
|
2225 |
||
2226 |
if (!aThread) |
|
2227 |
{ |
|
2228 |
LOG_MSG("Invalid dthread object"); |
|
2229 |
return KErrArgument; |
|
2230 |
} |
|
2231 |
||
2232 |
return TheDProcessTracker.SuspendThread(aThread); |
|
2233 |
} |
|
2234 |
||
2235 |
/** |
|
2236 |
Resumes execution of the specified thread. |
|
2237 |
||
2238 |
@param aThread thread to resume |
|
2239 |
||
2240 |
@return KErrNone if there were no problems, KErrArgument if aThread is NULL |
|
2241 |
or an error value returned from DoStepRange() |
|
2242 |
*/ |
|
2243 |
TInt DRM_DebugChannel::DoResumeThread(DThread *aThread) |
|
2244 |
{ |
|
2245 |
LOG_MSG("DRM_DebugChannel::DoResumeThread()"); |
|
2246 |
||
2247 |
if (!aThread) |
|
2248 |
return KErrArgument; |
|
2249 |
||
2250 |
// get the current PC |
|
2251 |
TUint32 currentPC; |
|
2252 |
TInt err = ReadKernelRegisterValue(aThread, PC_REGISTER, currentPC); |
|
2253 |
if(err != KErrNone) |
|
2254 |
{ |
|
2255 |
LOG_MSG2("DRM_DebugChannel::DoResumeThread - Non-zero error code discarded: %d", err); |
|
2256 |
} |
|
2257 |
||
2258 |
// if there is a breakpoint at the current PC, we need to single step past it |
|
2259 |
TBreakEntry* breakEntry = NULL; |
|
2260 |
do |
|
2261 |
{ |
|
2262 |
breakEntry = iBreakManager->GetNextBreak(breakEntry); |
|
2263 |
if(breakEntry && !iBreakManager->IsTemporaryBreak(*breakEntry)) |
|
2264 |
{ |
|
2265 |
if (breakEntry->iAddress == currentPC) |
|
2266 |
{ |
|
2267 |
return DoStepRange(aThread, currentPC, currentPC+1, ETrue, 1, ETrue); |
|
2268 |
} |
|
2269 |
} |
|
2270 |
} while(breakEntry); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2271 |
|
0 | 2272 |
return TheDProcessTracker.ResumeThread(aThread); |
2273 |
} |
|
2274 |
||
2275 |
// |
|
2276 |
// DRM_DebugChannel::DoStepRange |
|
2277 |
// |
|
2278 |
TInt DRM_DebugChannel::DoStepRange(DThread *aThread, const TUint32 aStartAddress, const TUint32 aStopAddress, TBool aStepInto, TBool aResumeOnceOutOfRange, const TUint32 aNumSteps, TBool aUserRequest) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2279 |
{ |
0 | 2280 |
LOG_MSG("DRM_DebugChannel::DoStepRange()"); |
2281 |
||
2282 |
if (!aThread) |
|
2283 |
return KErrArgument; |
|
2284 |
||
2285 |
//check that the thread is suspended |
|
2286 |
if(!TheDProcessTracker.CheckSuspended(aThread)) |
|
2287 |
{ |
|
2288 |
LOG_MSG2("DRM_DebugChannel::DoStepRange() Thread with id 0x%08x not suspended.", aThread->iId); |
|
2289 |
return KErrInUse; |
|
2290 |
} |
|
2291 |
||
2292 |
TUint32 startAddress = (aStartAddress & 0x1) ? aStartAddress + 1 : aStartAddress; |
|
2293 |
TUint32 stopAddress = (aStopAddress & 0x1) ? aStopAddress + 1 : aStopAddress;; |
|
2294 |
||
2295 |
// don't allow the user to step in the excluded ROM region. this could be called |
|
2296 |
// internally however. for example, the the special breakpoints we set to handle |
|
2297 |
// panics, exceptions, and library loaded events are in the user library, and we |
|
2298 |
// will need to step past the breakpoint before continuing the thread. |
|
2299 |
//if (aUserRequest && (startAddress >= iExcludedROMAddressStart) && (startAddress < iExcludedROMAddressEnd)) |
|
2300 |
//{ |
|
2301 |
// return KErrNotSupported; |
|
2302 |
//} |
|
2303 |
||
2304 |
// set the temp breakpoint, and disable the breakpoint at the current PC if necessary |
|
2305 |
// if its not a user request, and we are just trying to resume from a breakpoint, |
|
2306 |
// then we don't need to check for stubs. The last parameter aUserRequest tells |
|
2307 |
// ModifyBreaksForStep to check for stubs or not. In some cases, the check for stubs |
|
2308 |
// is true even if its not a user request.For example, this is true in cases where |
|
2309 |
// we are doing a step range and the instruction in the range modified PC. |
|
2310 |
// in this case, DoStepRange will be called from the exception handler where |
|
2311 |
// we need to check for the stubs for the valid behavior. So truly, we don't need to check |
|
2312 |
// for stubs only when resuming from a breakpoint. |
|
2313 |
ReturnIfError(iStepper->ModifyBreaksForStep(aThread, startAddress, stopAddress, aResumeOnceOutOfRange, aUserRequest, aNumSteps)); |
|
2314 |
||
2315 |
LOG_MSG("DRM_DebugChannel::DoStepRange() - resuming thread\n"); |
|
2316 |
||
2317 |
return TheDProcessTracker.ResumeThread(aThread); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2318 |
} |
0 | 2319 |
|
2320 |
/** |
|
2321 |
Read memory from the specified addres into the aData descriptor. If there is a |
|
2322 |
breakpoint set in the region of memory returned then the correct data value is |
|
2323 |
inserted into the descriptor |
|
2324 |
||
2325 |
@param aThread pointer to thread whose address space memory is to be read from |
|
2326 |
@param aAddress address to start reading memory from |
|
2327 |
@param aLength length of memory block to read |
|
2328 |
@param aData descriptor to read memory into |
|
2329 |
||
2330 |
@return KErrNone if memory read successfully, |
|
2331 |
KErrNotSupported if reading from the rom section is not supported, |
|
2332 |
KErrBadHandle if aThread is invalid, |
|
2333 |
or one of the other system wide error codes |
|
2334 |
*/ |
|
2335 |
TInt DRM_DebugChannel::DoReadMemory(const DThread *aThread, const TUint32 aAddress, const TUint32 aLength, TDes8 &aData) const |
|
2336 |
{ |
|
2337 |
LOG_MSG("DRM_DebugChannel::DoReadMemory()"); |
|
2338 |
||
2339 |
// make sure the parameters are valid |
|
2340 |
if (aLength > aData.MaxSize()) |
|
2341 |
return KErrArgument; |
|
2342 |
||
2343 |
TInt err = KErrNone; |
|
2344 |
||
2345 |
// trap exceptions in case the address is invalid |
|
2346 |
XTRAPD(r, XT_DEFAULT, err = TryToReadMemory(aThread, (TAny *)aAddress, (TAny *)aData.Ptr(), aLength)); |
|
2347 |
||
2348 |
err = (KErrNone == r) ? err : r; |
|
2349 |
||
2350 |
if (KErrNone == err) |
|
2351 |
{ |
|
2352 |
aData.SetLength(aLength); |
|
2353 |
||
2354 |
TPtr8 data((TUint8 *)aData.Ptr(), aLength, aLength); |
|
2355 |
||
2356 |
// if we have any breakpoints in this range, put the actual instruction in the buffer |
|
2357 |
TBreakEntry* breakEntry = NULL; |
|
2358 |
do |
|
2359 |
{ |
|
2360 |
breakEntry = iBreakManager->GetNextBreak(breakEntry); |
|
2361 |
if(breakEntry && !iBreakManager->IsTemporaryBreak(*breakEntry)) |
|
2362 |
{ |
|
2363 |
if ((breakEntry->iAddress >= aAddress) && (breakEntry->iAddress < (aAddress + aLength))) |
|
2364 |
{ |
|
2365 |
TInt instSize; |
|
2366 |
||
2367 |
switch(breakEntry->iMode) |
|
2368 |
{ |
|
2369 |
case EArmMode: |
|
2370 |
instSize = 4; |
|
2371 |
break; |
|
2372 |
||
2373 |
case EThumbMode: |
|
2374 |
instSize = 2; |
|
2375 |
break; |
|
2376 |
||
2377 |
case EThumb2EEMode: |
|
2378 |
default: |
|
2379 |
LOG_MSG("DRM_DebugChannel::DoReadMemory() cannot fixup breakpoints with unsupported architecture"); |
|
2380 |
return KErrNotSupported; |
|
2381 |
} |
|
2382 |
memcpy((TAny*)&data[breakEntry->iAddress - aAddress], (TAny *)breakEntry->iInstruction.Ptr(), instSize); |
|
2383 |
} |
|
2384 |
} |
|
2385 |
} while(breakEntry); |
|
2386 |
} |
|
2387 |
||
2388 |
return err; |
|
2389 |
} |
|
2390 |
||
2391 |
/** |
|
2392 |
Attempt to write memory to aThread's address space |
|
2393 |
||
2394 |
@param aThread thread to whose address space memory is to be written |
|
2395 |
@param aAddress memory location to write memory to |
|
2396 |
@param aLength number of bytes of data to write |
|
2397 |
@param aData descriptor containing memory to write |
|
2398 |
||
2399 |
@return KErrNone if memory written successfully, |
|
2400 |
KErrArgument if aLength is greater than than the length of the aData |
|
2401 |
KErrBadHandle if aThread is invalid, |
|
2402 |
or another of the system wide error codes |
|
2403 |
*/ |
|
2404 |
TInt DRM_DebugChannel::DoWriteMemory(DThread *aThread, const TUint32 aAddress, const TUint32 aLength, TDes8 &aData) |
|
2405 |
{ |
|
2406 |
LOG_MSG("DRM_DebugChannel::DoWriteMemory()"); |
|
2407 |
||
2408 |
// make sure the parameters are valid |
|
2409 |
if (aLength > aData.Length()) |
|
2410 |
return KErrArgument; |
|
2411 |
||
2412 |
TInt err = KErrNone; |
|
2413 |
||
2414 |
// trap exceptions in case the address is invalid |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2415 |
XTRAPD(r, XT_DEFAULT, err = TryToWriteMemory(aThread, (TAny *)aAddress, (TAny *)aData.Ptr(), aLength)); |
0 | 2416 |
|
2417 |
err = (KErrNone == r) ? err : r; |
|
2418 |
||
2419 |
// reset any breakpoints we may have just overwritten |
|
2420 |
if (KErrNone == err) |
|
2421 |
{ |
|
2422 |
TPtr8 data((TUint8 *)aData.Ptr(), aLength, aLength); |
|
2423 |
||
2424 |
TBreakEntry* breakEntry = NULL; |
|
2425 |
do |
|
2426 |
{ |
|
2427 |
breakEntry = iBreakManager->GetNextBreak(breakEntry); |
|
2428 |
if(breakEntry && !iBreakManager->IsTemporaryBreak(*breakEntry)) |
|
2429 |
{ |
|
2430 |
if ((breakEntry->iAddress >= aAddress) && (breakEntry->iAddress < (aAddress + aLength))) |
|
2431 |
{ |
|
2432 |
// default to arm mode |
|
2433 |
TUint32 inst; |
|
2434 |
TInt instSize; |
|
2435 |
||
2436 |
switch (breakEntry->iMode) |
|
2437 |
{ |
|
2438 |
case EArmMode: |
|
2439 |
inst = KArmBreakPoint; |
|
2440 |
instSize = 4; |
|
2441 |
break; |
|
2442 |
||
2443 |
case EThumbMode: |
|
2444 |
inst = KThumbBreakPoint; |
|
2445 |
instSize = 2; |
|
2446 |
break; |
|
2447 |
||
2448 |
case EThumb2EEMode: |
|
2449 |
default: |
|
2450 |
LOG_MSG("DRM_DebugChannel::DoWriteMemory() cannot fixup breakpoints of unsupported architecture type"); |
|
2451 |
||
2452 |
return KErrNotSupported; |
|
2453 |
} |
|
2454 |
||
2455 |
breakEntry->iInstruction.Copy(&data[breakEntry->iAddress - aAddress], instSize); |
|
2456 |
memcpy((TAny*)breakEntry->iAddress, (TAny *)&inst, instSize); |
|
2457 |
} |
|
2458 |
} |
|
2459 |
||
2460 |
} while(breakEntry); |
|
2461 |
} |
|
2462 |
return err; |
|
2463 |
} |
|
2464 |
||
2465 |
// |
|
2466 |
// DRM_DebugChannel::DoReadRegisters |
|
2467 |
// |
|
2468 |
TInt DRM_DebugChannel::DoReadRegisters(DThread *aThread, const TInt16 aFirstRegister, const TInt16 aLastRegister, TDes8 &aValues) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2469 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2470 |
LOG_EVENT_MSG("DRM_DebugChannel::DoReadRegisters()"); |
0 | 2471 |
|
2472 |
// make sure the parameters are valid |
|
2473 |
if (!aThread || (aFirstRegister < 0) || (aLastRegister >= (TInt16)(sizeof(TArmRegSet)/sizeof(TArmReg)))) |
|
2474 |
return KErrArgument; |
|
2475 |
||
2476 |
// make sure the descriptor is big enough to hold the requested data |
|
2477 |
if ((TInt)((aLastRegister - aFirstRegister + 1) * sizeof(TArmReg)) > (aValues.MaxSize())) |
|
2478 |
return KErrArgument; |
|
2479 |
||
2480 |
TArmRegSet regSet; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2481 |
TUint32 unused; |
0 | 2482 |
|
2483 |
NKern::ThreadGetUserContext(&aThread->iNThread, ®Set, unused); |
|
2484 |
||
2485 |
LOG_MSG2( "DRM_DebugChannel::DoReadRegistersLegacy() : unused = 0x%X\n", unused ); |
|
2486 |
||
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2487 |
TArmReg *reg = ®Set.iR0; |
0 | 2488 |
|
2489 |
if (!reg) |
|
2490 |
return KErrGeneral; |
|
2491 |
||
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2492 |
for (TInt16 i = aFirstRegister; i <= aLastRegister; i++) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2493 |
aValues.Append((TUint8 *)®[i], sizeof(TArmReg)); |
0 | 2494 |
|
2495 |
return KErrNone; |
|
2496 |
} |
|
2497 |
||
2498 |
/** |
|
2499 |
@prototype |
|
2500 |
||
2501 |
Experimental function for determining whether a thread is suspended. |
|
2502 |
||
2503 |
@param aThread thread to check if suspended |
|
2504 |
||
2505 |
@return ETrue if the thread is suspended, EFalse if it isn't or does not exist |
|
2506 |
*/ |
|
2507 |
TBool DRM_DebugChannel::CheckSuspended(const DThread *aThread) const |
|
2508 |
{ |
|
2509 |
if(!aThread) |
|
2510 |
{ |
|
2511 |
return EFalse; |
|
2512 |
} |
|
2513 |
||
2514 |
if( (aThread->iNThread.iCsCount>0) && (aThread->iNThread.iCsFunction>0) ) |
|
2515 |
{ |
|
2516 |
return ETrue; |
|
2517 |
} |
|
2518 |
||
2519 |
if(aThread->iNThread.iSuspendCount > 0) |
|
2520 |
{ |
|
2521 |
return ETrue; |
|
2522 |
} |
|
2523 |
return EFalse; |
|
2524 |
} |
|
2525 |
||
2526 |
/** |
|
2527 |
Read registers and store register values in aRegisterValues and the flags |
|
2528 |
indicating which registers could be read in aRegisterFlags |
|
2529 |
||
2530 |
@param aThread thread to read registers from |
|
2531 |
@param aRegisterIds array containing register IDs to read |
|
2532 |
@param aRegisterValues array to store register values in |
|
2533 |
@param aRegisterFlags array to store flags in |
|
2534 |
||
2535 |
@return KErrNone if registers were read successfully. Note that this does not |
|
2536 |
mean that all the registers could be read, the aRegisterFlags array |
|
2537 |
should be checked as to whether each individual register could be read, |
|
2538 |
KErrArgument if aThread is NULL, if an unknown register is specified in |
|
2539 |
aRegisterValues or if aRegisterValues is too small |
|
2540 |
KErrGeneral if there was a problem initialising the register set |
|
2541 |
*/ |
|
2542 |
TInt DRM_DebugChannel::DoReadRegisters(DThread *aThread, const TDesC8 &aRegisterIds, TDes8 &aRegisterValues, TDes8& aRegisterFlags) const |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2543 |
{ |
0 | 2544 |
LOG_MSG("DRM_DebugChannel::DoReadRegisters()"); |
2545 |
||
2546 |
// make sure the parameters are valid |
|
2547 |
if (!aThread) |
|
2548 |
return KErrArgument; |
|
2549 |
||
2550 |
//Need to revisit this to determine whether there is a way to validate this |
|
2551 |
#if 0 |
|
2552 |
if ( !CheckSuspended(aThread) ) |
|
2553 |
{ |
|
2554 |
LOG_MSG2("DRM_DebugChannel::DoReadRegisters() thread with id 0x%08x is not suspended", aThread->iId); |
|
2555 |
return KErrInUse; |
|
2556 |
} |
|
2557 |
#endif |
|
2558 |
||
2559 |
//set lengths of output descriptors to 0 prior to filling |
|
2560 |
aRegisterValues.SetLength(0); |
|
2561 |
aRegisterFlags.SetLength(0); |
|
2562 |
||
2563 |
TArmRegSet regSet; |
|
2564 |
TUint32 flags; |
|
2565 |
||
2566 |
NKern::ThreadGetUserContext(&aThread->iNThread, ®Set, flags); |
|
2567 |
||
2568 |
LOG_MSG2( "DRM_DebugChannel::DoReadRegisters() : flags = 0x%X\n", flags ); |
|
2569 |
||
2570 |
TArmReg *regPtr = ®Set.iR0; |
|
2571 |
||
2572 |
if (!regPtr) |
|
2573 |
return KErrGeneral; |
|
2574 |
||
2575 |
TUint numberOfRegisters = aRegisterIds.Length() / sizeof(TRegisterInfo); |
|
2576 |
||
2577 |
//iterate through registers setting the relevant aFlags value |
|
2578 |
for(TUint i=0; i<numberOfRegisters; i++) |
|
2579 |
{ |
|
2580 |
//get current register id |
|
2581 |
TRegisterInfo reg; |
|
2582 |
TInt err = GetTRegisterInfo(aRegisterIds, i, reg); |
|
2583 |
//exit with the error value if there was an error |
|
2584 |
if(err != KErrNone) |
|
2585 |
return err; |
|
2586 |
||
2587 |
//if unknown register then exit as can't know how many bytes this entry will |
|
2588 |
//represent in aRegisterValues |
|
2589 |
TTag registerTag; |
|
2590 |
TDebugFunctionality::GetRegister(reg, registerTag); |
|
2591 |
if(registerTag.iValue == EAccessUnknown) |
|
2592 |
{ |
|
2593 |
return KErrArgument; |
|
2594 |
} |
|
2595 |
||
2596 |
//get the current register id as a kernel register |
|
2597 |
TArmReg armReg; |
|
2598 |
err = GetKernelRegisterId(reg, armReg); |
|
2599 |
if((err == KErrNotSupported) || (registerTag.iValue == EAccessNone) || (registerTag.iValue == EAccessWriteOnly)) |
|
2600 |
{ |
|
2601 |
//reading this register is not supported |
|
2602 |
aRegisterFlags.Append(ENotSupported); |
|
2603 |
//just skip over this entry in the values buffer |
|
2604 |
if(aRegisterValues.Length() + registerTag.iSize > aRegisterValues.MaxLength()) |
|
2605 |
{ |
|
2606 |
//writing this value would cause overflow so exit |
|
2607 |
return KErrArgument; |
|
2608 |
} |
|
2609 |
aRegisterValues.SetLength(aRegisterValues.Length() + registerTag.iSize); |
|
2610 |
} |
|
2611 |
else |
|
2612 |
{ |
|
2613 |
if(registerTag.iSize == sizeof(TArmReg)) |
|
2614 |
{ |
|
2615 |
if(GetFlagAtOffset(flags, armReg)) |
|
2616 |
{ |
|
2617 |
//set flag as valid |
|
2618 |
aRegisterFlags.Append(EValid); |
|
2619 |
} |
|
2620 |
else |
|
2621 |
{ |
|
2622 |
// Even though the flag is invalid, we can return the value of the register |
|
2623 |
// and let the user decide what to do |
|
2624 |
aRegisterFlags.Append(EInValid); |
|
2625 |
} |
|
2626 |
||
2627 |
if(aRegisterValues.Length() + sizeof(TArmReg) > aRegisterValues.MaxLength()) |
|
2628 |
{ |
|
2629 |
//writing this value would cause overflow so exit |
|
2630 |
return KErrArgument; |
|
2631 |
} |
|
2632 |
//write value into register into regSet |
|
2633 |
aRegisterValues.Append((TUint8 *)®Ptr[armReg], registerTag.iSize); |
|
2634 |
} |
|
2635 |
else |
|
2636 |
{ |
|
2637 |
//currently all kernel supported registers are 4 bytes so |
|
2638 |
//return EBadSize. Would need updating if/when other register |
|
2639 |
//value sizes are supported |
|
2640 |
aRegisterFlags.Append(EBadSize); |
|
2641 |
aRegisterValues.SetLength(aRegisterValues.Length() + registerTag.iSize); |
|
2642 |
} |
|
2643 |
} |
|
2644 |
} |
|
2645 |
return KErrNone; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2646 |
} |
0 | 2647 |
|
2648 |
// |
|
2649 |
// DRM_DebugChannel::DoWriteRegisters |
|
2650 |
// |
|
2651 |
TInt DRM_DebugChannel::DoWriteRegisters(DThread *aThread, const TInt16 aFirstRegister, const TInt16 aLastRegister, TDesC8 &aValues) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2652 |
{ |
0 | 2653 |
LOG_MSG("DRM_DebugChannel::DoWriteRegisters()"); |
2654 |
||
2655 |
// make sure the parameters are valid |
|
2656 |
if (!aThread || (aFirstRegister < 0) || (aLastRegister >= (TInt16)(sizeof(TArmRegSet)/sizeof(TArmReg)))) |
|
2657 |
return KErrArgument; |
|
2658 |
||
2659 |
// make sure the descriptor is big enough to hold the data to write |
|
2660 |
if ((TInt)((aLastRegister - aFirstRegister + 1) * sizeof(TArmReg)) > (aValues.Length())) |
|
2661 |
return KErrArgument; |
|
2662 |
||
2663 |
TArmRegSet regSet; |
|
2664 |
TUint32 unused; |
|
2665 |
||
2666 |
NKern::ThreadGetUserContext(&aThread->iNThread, ®Set, unused); |
|
2667 |
||
2668 |
TArmReg *reg = ®Set.iR0; |
|
2669 |
||
2670 |
for (TInt16 i = aFirstRegister; i <= aLastRegister; i++) |
|
2671 |
reg[i] = *(TUint32 *)&aValues[(i-aFirstRegister)*sizeof(TArmReg)]; |
|
2672 |
||
2673 |
NKern::ThreadSetUserContext(&aThread->iNThread, ®Set); |
|
2674 |
||
2675 |
return KErrNone; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2676 |
} |
0 | 2677 |
|
2678 |
/** |
|
2679 |
Write registers and store flags indicating which registers could be read in |
|
2680 |
aRegisterFlags |
|
2681 |
||
2682 |
@param aThread thread to write registers to |
|
2683 |
@param aRegisterIds array containing register IDs to write |
|
2684 |
@param aRegisterValues array containing register values to write |
|
2685 |
@param aRegisterFlags array to store flags in |
|
2686 |
||
2687 |
@return KErrNone if registers were written successfully. Note that this does not |
|
2688 |
mean that all the registers could be written, the aRegisterFlags array |
|
2689 |
should be checked as to whether each individual register could be read, |
|
2690 |
KErrArgument if aThread is NULL, if the buffer passed in as |
|
2691 |
aRegisterValue is too small, or if an unknown register is requested, |
|
2692 |
KErrGeneral if there was a problem initialising the register set |
|
2693 |
*/ |
|
2694 |
TInt DRM_DebugChannel::DoWriteRegisters(DThread *aThread, const TDesC8 &aRegisterIds, TDesC8 &aRegisterValues, TDes8 &aRegisterFlags) const |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2695 |
{ |
0 | 2696 |
LOG_MSG("DRM_DebugChannel::DoWriteRegisters()"); |
2697 |
||
2698 |
// make sure the parameters are valid |
|
2699 |
if (!aThread) |
|
2700 |
return KErrArgument; |
|
2701 |
||
2702 |
//check that the thread is suspended before reading the registers |
|
2703 |
if(!TheDProcessTracker.CheckSuspended(aThread)) |
|
2704 |
{ |
|
2705 |
LOG_MSG2("DRM_DebugChannel::DoWriteRegisters() thread with id 0x%08x is not suspended", aThread->iId); |
|
2706 |
return KErrInUse; |
|
2707 |
} |
|
2708 |
||
2709 |
//get register values from kernel |
|
2710 |
TArmRegSet regSet; |
|
2711 |
TUint32 flags; |
|
2712 |
NKern::ThreadGetUserContext(&aThread->iNThread, ®Set, flags); |
|
2713 |
||
2714 |
//set lengths of output descriptors to 0 prior to filling |
|
2715 |
aRegisterFlags.SetLength(0); |
|
2716 |
||
2717 |
//pointer to first kernel register |
|
2718 |
TArmReg *regPtr = ®Set.iR0; |
|
2719 |
||
2720 |
if (!regPtr) |
|
2721 |
return KErrGeneral; |
|
2722 |
||
2723 |
//calculate number of registers |
|
2724 |
TUint numberOfRegisters = aRegisterIds.Length() / sizeof(TRegisterInfo); |
|
2725 |
||
2726 |
//iterate through registers setting the relevant aRegisterFlags value and |
|
2727 |
//setting the necessary value in regSet ready to write to kernel |
|
2728 |
for(TUint i=0, offset = 0; i<numberOfRegisters; i++) |
|
2729 |
{ |
|
2730 |
//get current register id |
|
2731 |
TRegisterInfo reg; |
|
2732 |
TInt err = GetTRegisterInfo(aRegisterIds, i, reg); |
|
2733 |
//exit with the error value if there was an error |
|
2734 |
if(err != KErrNone) |
|
2735 |
{ |
|
2736 |
return err; |
|
2737 |
} |
|
2738 |
||
2739 |
//if unknown register then exit as can't know how many bytes this entry will |
|
2740 |
//represent in aRegisterValues |
|
2741 |
TTag registerTag; |
|
2742 |
TDebugFunctionality::GetRegister(reg, registerTag); |
|
2743 |
if(registerTag.iValue == EAccessUnknown) |
|
2744 |
{ |
|
2745 |
return KErrArgument; |
|
2746 |
} |
|
2747 |
||
2748 |
//get the current register id as a kernel register |
|
2749 |
TArmReg armReg; |
|
2750 |
err = GetKernelRegisterId(reg, armReg); |
|
2751 |
if((err == KErrNotSupported) || (registerTag.iValue == EAccessNone) || (registerTag.iValue == EAccessReadOnly)) |
|
2752 |
{ |
|
2753 |
//writing to this register is not supported |
|
2754 |
aRegisterFlags.Append(ENotSupported); |
|
2755 |
} |
|
2756 |
else if(GetFlagAtOffset(flags, armReg)) |
|
2757 |
{ |
|
2758 |
if(registerTag.iSize == sizeof(TArmReg)) |
|
2759 |
{ |
|
2760 |
//set flag as valid |
|
2761 |
aRegisterFlags.Append(EValid); |
|
2762 |
if(offset + sizeof(TArmReg) > aRegisterValues.Length()) |
|
2763 |
{ |
|
2764 |
//getting this value would cause overflow so exit |
|
2765 |
return KErrArgument; |
|
2766 |
} |
|
2767 |
//write value into register into regSet |
|
2768 |
regPtr[armReg] = *(TUint32 *)&aRegisterValues[offset]; |
|
2769 |
} |
|
2770 |
else |
|
2771 |
{ |
|
2772 |
//currently all kernel supported registers are 4 bytes so |
|
2773 |
//return EBadSize. Would need updating if/when other register |
|
2774 |
//value sizes are supported |
|
2775 |
aRegisterFlags.Append(EBadSize); |
|
2776 |
} |
|
2777 |
||
2778 |
} |
|
2779 |
else |
|
2780 |
{ |
|
2781 |
//set flag as invalid as register value couldn't be read |
|
2782 |
aRegisterFlags.Append(EInValid); |
|
2783 |
} |
|
2784 |
offset+=registerTag.iSize; |
|
2785 |
} |
|
2786 |
||
2787 |
//write the input data into the registers |
|
2788 |
NKern::ThreadSetUserContext(&aThread->iNThread, ®Set); |
|
2789 |
||
2790 |
//return normally |
|
2791 |
return KErrNone; |
|
2792 |
} |
|
2793 |
||
2794 |
// |
|
2795 |
// DRM_DebugChannel::DoSecurityCheck |
|
2796 |
// |
|
2797 |
TBool DRM_DebugChannel::DoSecurityCheck() |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2798 |
{ |
0 | 2799 |
LOG_MSG("DRM_DebugChannel::DoSecurityCheck"); |
2800 |
DProcess* clientProcess = iClientThread->iOwningProcess; |
|
2801 |
if (clientProcess) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2802 |
{ |
0 | 2803 |
SSecurityInfo secureInfo = clientProcess->iS; |
2804 |
||
2805 |
LOG_MSG2("DoSecurityCheck - client secure id is 0x%08x",secureInfo.iSecureId); |
|
2806 |
||
2807 |
// Ensure we really are communicating with the Debug Security Server |
|
2808 |
if (secureInfo.iSecureId == KUidDebugSecurityServer.iUid ) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2809 |
{ |
0 | 2810 |
return ETrue; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2811 |
} |
0 | 2812 |
} |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2813 |
return EFalse; |
0 | 2814 |
} |
2815 |
||
2816 |
/** |
|
2817 |
Attempt to read memory from aThread's address space |
|
2818 |
||
2819 |
@param aThread thread from whose address space memory is to be read |
|
2820 |
@param aSrc pointer to memory location to read memory from |
|
2821 |
@param aDest pointer to memory location to write memory to |
|
2822 |
@param aLength number of bytes of data to read |
|
2823 |
||
2824 |
@return KErrNone if memory read successfully, |
|
2825 |
or another of the system wide error codes |
|
2826 |
*/ |
|
2827 |
TInt DRM_DebugChannel::TryToReadMemory(const DThread *aThread, const TAny *aSrc, TAny *aDest, const TUint32 aLength) const |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2828 |
{ |
0 | 2829 |
LOG_MSG("DRM_DebugChannel::TryToReadMemory()"); |
2830 |
||
2831 |
// make sure the parameters are valid |
|
2832 |
if (!aThread) |
|
2833 |
return KErrArgument; |
|
2834 |
||
2835 |
//Need to revisit this to determine whether there is a way to validate this |
|
2836 |
#if 0 |
|
2837 |
//check that the thread is suspended before reading the memory |
|
2838 |
if ( !CheckSuspended(aThread) ) |
|
2839 |
{ |
|
2840 |
LOG_MSG2("DRM_DebugChannel::TryToReadMemory() thread with id 0x%08x is not suspended", aThread->iId); |
|
2841 |
return KErrInUse; |
|
2842 |
} |
|
2843 |
#endif |
|
2844 |
||
2845 |
LOG_MSG2("Using Kern::ThreadRawRead to read memory at address %x", aSrc); |
|
2846 |
return Kern::ThreadRawRead((DThread *)aThread, aSrc, aDest, aLength); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2847 |
} |
0 | 2848 |
|
2849 |
/** |
|
2850 |
Attempt to write memory to aThread's address space |
|
2851 |
||
2852 |
@param aThread thread to whose address space memory is to be written |
|
2853 |
@param aDest pointer to memory location to write memory to |
|
2854 |
@param aSrc pointer to memory location to read memory from |
|
2855 |
@param aLength number of bytes of data to write |
|
2856 |
||
2857 |
@return KErrNone if memory written successfully, or another of the system wide |
|
2858 |
error codes |
|
2859 |
*/ |
|
2860 |
TInt DRM_DebugChannel::TryToWriteMemory(const DThread *aThread, TAny *aDest, const TAny *aSrc, const TUint32 aLength) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2861 |
{ |
0 | 2862 |
LOG_MSG("DRM_DebugChannel::TryToWriteMemory()"); |
2863 |
||
2864 |
//check that the thread is suspended before writing the memory |
|
2865 |
if(!TheDProcessTracker.CheckSuspended((DThread*)aThread)) |
|
2866 |
{ |
|
2867 |
LOG_MSG2("DRM_DebugChannel::TryToWriteMemory() thread with id 0x%08x is not suspended", aThread->iId); |
|
2868 |
return KErrInUse; |
|
2869 |
} |
|
2870 |
||
2871 |
LOG_MSG2("Using Kern::ThreadRawWrite to write memory at address %x", (TUint32)aDest); |
|
2872 |
return Kern::ThreadRawWrite((DThread *)aThread, aDest, aSrc, aLength, iClientThread); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2873 |
} |
0 | 2874 |
|
2875 |
/** |
|
2876 |
@deprecated use DRM_DebugChannel::ReadKernelRegisterValue(DThread *aThread, const TArmReg aKernelRegisterId, T4ByteRegisterValue &aValue) instead |
|
2877 |
*/ |
|
2878 |
TInt32 DRM_DebugChannel::ReadRegister(DThread *aThread, TInt aNum) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2879 |
{ |
0 | 2880 |
LOG_MSG("DRM_DebugChannel::ReadRegister()"); |
2881 |
||
2882 |
if (!aThread || (aNum < 0) || (aNum >= (TInt16)(sizeof(TArmRegSet)/sizeof(TArmReg)))) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2883 |
{ |
0 | 2884 |
LOG_MSG2("Invalid register number (%d) passed to ReadRegister", aNum); |
2885 |
return 0; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2886 |
} |
0 | 2887 |
|
2888 |
TArmRegSet regSet; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2889 |
TUint32 unused; |
0 | 2890 |
|
2891 |
NKern::ThreadGetUserContext(&aThread->iNThread, ®Set, unused); |
|
2892 |
||
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2893 |
TArmReg *reg = ®Set.iR0; |
0 | 2894 |
|
2895 |
return ((TUint32 *)reg)[aNum]; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2896 |
} |
0 | 2897 |
|
2898 |
/** |
|
2899 |
Given a TArmReg register ID, read the value of the register. The register value |
|
2900 |
will be stored in aValue if the register could be read. |
|
2901 |
||
2902 |
@param aThread thread to read register from |
|
2903 |
@param aKernelRegisterId ID of register to read from |
|
2904 |
@param aValue value read from register |
|
2905 |
||
2906 |
@return KErrNone if value was successfully stored in aValue, |
|
2907 |
KErrNotSupported if aKernelRegister is not supported by the debug |
|
2908 |
security server, |
|
2909 |
or a return value from DRM_DebugChannel::ReadDebugRegisterValue() |
|
2910 |
*/ |
|
2911 |
TInt32 DRM_DebugChannel::ReadKernelRegisterValue(DThread *aThread, const TArmReg aKernelRegisterId, T4ByteRegisterValue &aValue) const |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2912 |
{ |
0 | 2913 |
//get register ID as a TRegisterInfo ID |
2914 |
TRegisterInfo regId; |
|
2915 |
TInt err = GetDebugRegisterId(aKernelRegisterId, regId); |
|
2916 |
if(err != KErrNone) |
|
2917 |
return err; |
|
2918 |
||
2919 |
//get the value for the register |
|
2920 |
err = ReadDebugRegisterValue(aThread, regId, aValue); |
|
2921 |
return err; |
|
2922 |
} |
|
2923 |
||
2924 |
/** |
|
2925 |
Given a TRegisterInfo register ID, read the value of this register. The |
|
2926 |
register value will be stored in aValue if the register could be read. |
|
2927 |
||
2928 |
@param aThread thread to read register from |
|
2929 |
@param aDebugRegisterId ID of register to read from |
|
2930 |
@param aValue value read from register |
|
2931 |
||
2932 |
@return KErrNone if value was successfully stored in aValue, |
|
2933 |
TRegisterFlag::EInValid if value could not be read from the register, |
|
2934 |
TRegisterFlag::ENotSupported if the register is not supported, |
|
2935 |
KErrNoMemory if temporary memory could not be allocated, |
|
2936 |
or a return value from DRM_DebugChannel::DoReadRegisters |
|
2937 |
*/ |
|
2938 |
TInt32 DRM_DebugChannel::ReadDebugRegisterValue(DThread *aThread, const TRegisterInfo aDebugRegisterId, T4ByteRegisterValue &aValue) const |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2939 |
{ |
0 | 2940 |
//allocate temporary buffers to store data |
2941 |
NKern::ThreadEnterCS(); |
|
2942 |
TUint8* id = (TUint8*)Kern::Alloc(sizeof(TRegisterInfo)); |
|
2943 |
NKern::ThreadLeaveCS(); |
|
2944 |
if(id == NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2945 |
{ |
0 | 2946 |
return KErrNoMemory; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2947 |
} |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2948 |
|
0 | 2949 |
TPtr8 idPtr(id, sizeof(TRegisterInfo)); |
2950 |
||
2951 |
NKern::ThreadEnterCS(); |
|
2952 |
TUint8* value = (TUint8*)Kern::Alloc(sizeof(T4ByteRegisterValue)); |
|
2953 |
NKern::ThreadLeaveCS(); |
|
2954 |
if(value == NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2955 |
{ |
0 | 2956 |
return KErrNoMemory; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2957 |
} |
0 | 2958 |
TPtr8 valuePtr(value, sizeof(T4ByteRegisterValue)); |
2959 |
||
2960 |
NKern::ThreadEnterCS(); |
|
2961 |
TUint8* flag = (TUint8*)Kern::Alloc(sizeof(TUint8)); |
|
2962 |
NKern::ThreadLeaveCS(); |
|
2963 |
if(flag == NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2964 |
{ |
0 | 2965 |
return KErrNoMemory; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2966 |
} |
0 | 2967 |
TPtr8 flagPtr(flag, sizeof(TUint8)); |
2968 |
||
2969 |
//store register id in buffer |
|
2970 |
idPtr.Append((TUint8*)&aDebugRegisterId, sizeof(TRegisterInfo)); |
|
2971 |
||
2972 |
//read registers |
|
2973 |
TInt err = DoReadRegisters(aThread, idPtr, valuePtr, flagPtr); |
|
2974 |
if(err == KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2975 |
{ |
0 | 2976 |
if(*flag == EValid) |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2977 |
{ |
0 | 2978 |
//register could be read so store value |
2979 |
aValue = *(T4ByteRegisterValue*)value; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2980 |
} |
0 | 2981 |
else |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2982 |
{ |
0 | 2983 |
//register couldn't be read for some reason |
2984 |
err = *flag; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2985 |
} |
0 | 2986 |
} |
2987 |
||
2988 |
//free memory |
|
2989 |
NKern::ThreadEnterCS(); |
|
2990 |
Kern::Free(id); |
|
2991 |
Kern::Free(value); |
|
2992 |
Kern::Free(flag); |
|
2993 |
NKern::ThreadLeaveCS(); |
|
2994 |
||
2995 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2996 |
} |
0 | 2997 |
|
2998 |
// |
|
2999 |
// DRM_DebugChannel::NotifyEvent |
|
3000 |
// |
|
3001 |
void DRM_DebugChannel::NotifyEvent(const TDriverEventInfo& aEventInfo) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3002 |
{ |
0 | 3003 |
LOG_EVENT_MSG("DRM_DebugChannel::NotifyEvent()"); |
3004 |
||
3005 |
// Look for the relevant DTargetProcess |
|
3006 |
// We can find out the relevant process id from aEventInfo |
|
3007 |
TUint32 pid = aEventInfo.iProcessId; |
|
3008 |
||
3009 |
//opening handle to process |
|
3010 |
DProcess* targetProcess = DebugUtils::OpenProcessHandle(pid); |
|
3011 |
||
3012 |
if(!targetProcess) |
|
3013 |
{ |
|
3014 |
LOG_EVENT_MSG("DRM_DebugChannel::NotifyEvent - process does not exist!"); |
|
3015 |
return; |
|
3016 |
} |
|
3017 |
||
3018 |
// Are we debugging this process - decide based on iFileName |
|
3019 |
DCodeSeg* p = targetProcess->iCodeSeg; |
|
3020 |
DTargetProcess* foundProcess; |
|
3021 |
if (p) |
|
3022 |
{ |
|
3023 |
foundProcess = TheDProcessTracker.FindProcess(*(p->iFileName)); |
|
3024 |
} |
|
3025 |
else |
|
3026 |
{ |
|
3027 |
// special case: may not have a code seg in some cases. in which case we tell everyone! |
|
3028 |
if (targetProcess->iName) |
|
3029 |
{ |
|
3030 |
// copy the name of the process |
|
3031 |
foundProcess = TheDProcessTracker.FindProcess(*(targetProcess->iName)); |
|
3032 |
} |
|
3033 |
else |
|
3034 |
{ |
|
3035 |
foundProcess = NULL; |
|
3036 |
} |
|
3037 |
} |
|
3038 |
||
3039 |
//close the handle |
|
3040 |
targetProcess->Close(NULL); |
|
3041 |
||
3042 |
if (!foundProcess) |
|
3043 |
{ |
|
3044 |
// No: just ignore this exception |
|
3045 |
LOG_EVENT_MSG("DRM_DebugChannel::NotifyEvent - we are not debugging this process!"); |
|
3046 |
return; |
|
3047 |
} |
|
3048 |
||
3049 |
foundProcess->NotifyEvent(aEventInfo); |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3050 |
} |
0 | 3051 |
|
3052 |
#ifndef __LAUNCH_AS_EXTENSION__ |
|
3053 |
DECLARE_STANDARD_LDD() |
|
3054 |
{ |
|
3055 |
return new DRM_DebugDriverFactory; |
|
3056 |
} |
|
3057 |
#else |
|
3058 |
||
3059 |
DStopModeExtension* TheStopModeExtension = NULL; |
|
3060 |
||
3061 |
DECLARE_EXTENSION_LDD() |
|
3062 |
{ |
|
3063 |
return new DRM_DebugDriverFactory; |
|
3064 |
} |
|
3065 |
||
3066 |
/** |
|
3067 |
This value is used as an initialiser for the size of the Stop-Mode Debug API's |
|
3068 |
default request buffer. |
|
3069 |
*/ |
|
3070 |
const TInt KRequestBufferSize = 0x200; |
|
3071 |
/** |
|
3072 |
This value is used as an initialiser for the size of the Stop-Mode Debug API's |
|
3073 |
default response buffer. |
|
3074 |
*/ |
|
3075 |
const TInt KResponseBufferSize = 0x1000; |
|
3076 |
||
3077 |
DECLARE_STANDARD_EXTENSION() |
|
3078 |
{ |
|
3079 |
__KTRACE_OPT(KBOOT,Kern::Printf("Starting RM_DEBUG extension")); |
|
3080 |
||
3081 |
// get a reference to the DDebuggerInfo and to the DStopModeExtension |
|
3082 |
TSuperPage& superPage = Kern::SuperPage(); |
|
3083 |
||
3084 |
if(!superPage.iDebuggerInfo) |
|
3085 |
{ |
|
3086 |
//kdebug has not been installed so create DDebuggerInfo using our stub constructor |
|
3087 |
superPage.iDebuggerInfo = new DDebuggerInfo(); |
|
3088 |
} |
|
3089 |
||
3090 |
if(!TheStopModeExtension) |
|
3091 |
{ |
|
3092 |
TheStopModeExtension = new DStopModeExtension(); |
|
3093 |
} |
|
3094 |
||
3095 |
// create the request buffer and store a reference to it |
|
3096 |
TTag tag; |
|
3097 |
tag.iTagId = EBuffersRequest; |
|
3098 |
tag.iType = ETagTypePointer; |
|
3099 |
tag.iSize = KRequestBufferSize; |
|
3100 |
TInt err = TheDBufferManager.CreateBuffer(tag); |
|
3101 |
if(KErrNone != err) |
|
3102 |
{ |
|
3103 |
return KErrNone; |
|
3104 |
} |
|
3105 |
||
3106 |
// create the response buffer and store a reference to it |
|
3107 |
tag.iTagId = EBuffersResponse; |
|
3108 |
tag.iSize = KResponseBufferSize; |
|
3109 |
err = TheDBufferManager.CreateBuffer(tag); |
|
3110 |
if(KErrNone != err) |
|
3111 |
{ |
|
3112 |
return KErrNone; |
|
3113 |
} |
|
3114 |
// create the debug functionality buffer and store a reference to it |
|
3115 |
TDebugFunctionality df; |
|
3116 |
TUint dfSize = df.GetStopModeFunctionalityBufSize(); |
|
3117 |
tag.iTagId = EBuffersFunctionality; |
|
3118 |
tag.iSize = dfSize; |
|
3119 |
err = TheDBufferManager.CreateBuffer(tag); |
|
3120 |
if(KErrNone != err) |
|
3121 |
{ |
|
3122 |
return KErrNone; |
|
3123 |
} |
|
3124 |
||
3125 |
// fill the functionality buffer with the functionality data and store it in |
|
3126 |
// the super page |
|
3127 |
TPtr8 dfBlockPtr((TUint8*)tag.iValue, dfSize); |
|
3128 |
if(!df.GetStopModeFunctionality(dfBlockPtr)) |
|
3129 |
{ |
|
3130 |
return KErrNone; |
|
3131 |
} |
|
3132 |
TheStopModeExtension->iFunctionalityBlock = (DFunctionalityBlock*)tag.iValue; |
|
3133 |
||
3134 |
DStopModeExtension::Install(TheStopModeExtension); |
|
3135 |
||
3136 |
return KErrNone; |
|
3137 |
} |
|
3138 |
||
3139 |
/** |
|
3140 |
* This stub constructor is intended to be used in the case where the old deprecated |
|
3141 |
* stop mode api, kdebug, is not in place. It will initialise all values to NULL except |
|
3142 |
* the pointer to the new stop mode api extension. This allows the new stop mode solution |
|
3143 |
* to both co-exist and exist independantly of the existing one * |
|
3144 |
*/ |
|
3145 |
DDebuggerInfo::DDebuggerInfo(): |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3146 |
iObjectOffsetTable(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3147 |
iObjectOffsetTableCount(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3148 |
iThreadContextTable(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3149 |
iStopModeExtension(new DStopModeExtension()), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3150 |
iContainers(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3151 |
iCodeSegLock(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3152 |
iCodeSegGlobalList(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3153 |
iScheduler(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3154 |
iShadowPages(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3155 |
iShadowPageCount(0), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3156 |
iCurrentThread(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3157 |
iEventMask(), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3158 |
iEventHandlerBreakpoint(0), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3159 |
iMemModelObjectOffsetTable(NULL), |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3160 |
iMemModelObjectOffsetTableCount(0) |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3161 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3162 |
} |
0 | 3163 |
|
3164 |
/** |
|
3165 |
* Installs the stop-mode debugger extension |
|
3166 |
* Make the stop-mode API visible to a JTAG debugger, by publishing its |
|
3167 |
* existence in the superpage |
|
3168 |
*/ |
|
3169 |
void DStopModeExtension::Install(DStopModeExtension* aExt) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3170 |
{ |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3171 |
Kern::SuperPage().iDebuggerInfo->iStopModeExtension = aExt; |
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3172 |
} |
0 | 3173 |
|
3174 |
#endif |
|
3175 |
||
3176 |
/** |
|
3177 |
Helper function |
|
3178 |
||
3179 |
Allocates memory in current thread with a max length the same as aSrcDes. If |
|
3180 |
aReadFromClient is true (as it is by default) then the data from aSrdDes is |
|
3181 |
copied into the allocated aDestDes buffer. |
|
3182 |
||
3183 |
Use of this function should be followed at a later time by a call such as |
|
3184 |
Kern::Free(aDestDes.Ptr()) |
|
3185 |
||
3186 |
@param aThread pointer to thread to read data from |
|
3187 |
@param aSrcDes descriptor in aThread to read data from |
|
3188 |
@param aDestDes location to read data to. Memory is allocated at this location, |
|
3189 |
if memory is already allocated at this location then the function will |
|
3190 |
return KErrArgument |
|
3191 |
@param aReadFromClient if false then data is not actually read from the |
|
3192 |
client, the memory is simply allocated |
|
3193 |
@param aOffest offset into aSrcDes to start reading from. Default is 0. |
|
3194 |
||
3195 |
@return KErrNone if there were no problems, |
|
3196 |
KErrArgument if aDestDes.Ptr() != NULL or aSrcDes has max length 0, |
|
3197 |
KErrNoMemory if could not allocate memory, |
|
3198 |
or one of the other system wide error codes |
|
3199 |
*/ |
|
3200 |
TInt DRM_DebugChannel::AllocAndReadDes(DThread *aThread, const TDesC8& aSrcDes, TPtr8& aDestDes, const TBool aReadFromClient, const TUint aOffset) const |
|
3201 |
{ |
|
3202 |
||
3203 |
//check thread is not null |
|
3204 |
if(!aThread) |
|
3205 |
{ |
|
3206 |
return KErrArgument; |
|
3207 |
} |
|
3208 |
||
3209 |
//check aDestDes is empty |
|
3210 |
if(aDestDes.Ptr() != NULL) |
|
3211 |
{ |
|
3212 |
return KErrArgument; |
|
3213 |
} |
|
3214 |
||
3215 |
//get the source descriptor's max length and exit if 0 |
|
3216 |
TUint srcMaxLength = Kern::ThreadGetDesMaxLength(aThread, &aSrcDes); |
|
3217 |
if(srcMaxLength == 0) |
|
3218 |
{ |
|
3219 |
return KErrNone; |
|
3220 |
} |
|
3221 |
||
3222 |
//allocate memory and return if none available |
|
3223 |
NKern::ThreadEnterCS(); |
|
3224 |
TUint8 *destPtr = (TUint8*)Kern::Alloc(srcMaxLength); |
|
3225 |
NKern::ThreadLeaveCS(); |
|
3226 |
if (!destPtr) |
|
3227 |
{ |
|
3228 |
return KErrNoMemory; |
|
3229 |
} |
|
3230 |
||
3231 |
//point the TPtr8 at the target memory |
|
3232 |
aDestDes.Set(destPtr, srcMaxLength, srcMaxLength); |
|
3233 |
||
3234 |
if(aReadFromClient) |
|
3235 |
{ |
|
3236 |
//read data from the client thread and return status code |
|
3237 |
return Kern::ThreadDesRead(aThread, &aSrcDes, aDestDes, aOffset); |
|
3238 |
} |
|
3239 |
else |
|
3240 |
{ |
|
3241 |
return KErrNone; |
|
3242 |
} |
|
3243 |
} |
|
3244 |
||
3245 |
/** |
|
3246 |
Helper function to extract a TRegisterInfo value from a descriptor containing |
|
3247 |
binary data. |
|
3248 |
||
3249 |
@param aRegisterIds descriptor containing register IDs |
|
3250 |
@param aOffset offset in bytes into the descriptor to start reading data from. |
|
3251 |
If this value is not a multiple of sizeof(TRegisterInfo) then a |
|
3252 |
KErrArgument error is returned. |
|
3253 |
@param aValue will contain the returned value |
|
3254 |
||
3255 |
@return KErrNone if aValue was set correctly, KErrArgument if bad arguments |
|
3256 |
were passed in |
|
3257 |
*/ |
|
3258 |
TInt DRM_DebugChannel::GetTRegisterInfo(const TDesC8 &aRegisterIds, const TUint aIndex, TRegisterInfo &aValue) const |
|
3259 |
{ |
|
3260 |
TUint length = aRegisterIds.Length(); |
|
3261 |
||
3262 |
TUint size = sizeof(TRegisterInfo); |
|
3263 |
||
3264 |
//check that not trying to read past end of descriptor |
|
3265 |
if((aIndex + 1) * size > length) |
|
3266 |
return KErrArgument; |
|
3267 |
||
3268 |
//get pointer to descriptor's data |
|
3269 |
const TUint8 *dataPtr = aRegisterIds.Ptr(); |
|
3270 |
const TRegisterInfo *registerId = reinterpret_cast<const TRegisterInfo*>(dataPtr + (aIndex * size)); |
|
3271 |
||
3272 |
aValue = *registerId; |
|
3273 |
||
3274 |
return KErrNone; |
|
3275 |
} |
|
3276 |
||
3277 |
/** |
|
3278 |
Helper function to get the kernel register ID of the TRegisterInfo defined register. |
|
3279 |
||
3280 |
@param aDebugRegister the debug register ID to return the kernel ID for |
|
3281 |
@param aKernelRegister corresponding value of register aDebugRegister |
|
3282 |
||
3283 |
@return KErrNone if translation occurred without problems |
|
3284 |
KErrNotSupported if aDebugRegister is not supported by the kernel |
|
3285 |
*/ |
|
3286 |
TInt DRM_DebugChannel::GetKernelRegisterId(const TRegisterInfo aDebugRegister, TArmReg& aKernelRegister) const |
|
3287 |
{ |
|
3288 |
if(Register::IsCoreReg(aDebugRegister)) |
|
3289 |
{ |
|
3290 |
TUint id = Register::GetCoreRegId(aDebugRegister); |
|
3291 |
//first 17 registers match the first 17 kernel registers |
|
3292 |
if(id < 17) |
|
3293 |
{ |
|
3294 |
aKernelRegister = id; |
|
3295 |
} |
|
3296 |
else |
|
3297 |
{ |
|
3298 |
return KErrNotSupported; |
|
3299 |
} |
|
3300 |
} |
|
3301 |
else if(Register::IsCoproReg(aDebugRegister)) |
|
3302 |
{ |
|
3303 |
TUint32 crn = Register::GetCRn(aDebugRegister); |
|
3304 |
TUint32 crm = Register::GetCRm(aDebugRegister); |
|
3305 |
TUint32 opcode1 = Register::GetOpcode1(aDebugRegister); |
|
3306 |
TUint32 opcode2 = Register::GetOpcode2(aDebugRegister); |
|
3307 |
TUint32 coproNum = Register::GetCoproNum(aDebugRegister); |
|
3308 |
||
3309 |
//each coprocessor register has potentially different characteristics |
|
3310 |
//so need to identify each individually |
|
3311 |
||
3312 |
//this is the DACR, the ARM ARM specifies that the CRn and the |
|
3313 |
//Opcodes are not relevant, section B3-24, point 3.7.3 |
|
3314 |
if((coproNum == 15) && (crm == 3)) |
|
3315 |
{ |
|
3316 |
aKernelRegister = EArmDacr; |
|
3317 |
} |
|
3318 |
else |
|
3319 |
{ |
|
3320 |
return KErrNotSupported; |
|
3321 |
} |
|
3322 |
} |
|
3323 |
else // might be supported at a later date |
|
3324 |
{ |
|
3325 |
return KErrNotSupported; |
|
3326 |
} |
|
3327 |
||
3328 |
return KErrNone; |
|
3329 |
} |
|
3330 |
||
3331 |
/** |
|
3332 |
Helper function to get the debug register ID of the kernel defined register. |
|
3333 |
||
3334 |
@param aKernelRegister the kernel register ID to return the debug ID for |
|
3335 |
@param aDebugRegister corresponding value of register aKernelRegister |
|
3336 |
||
3337 |
@return KErrNone if translation occured without problems |
|
3338 |
KErrNotSupported if aKernelRegister is not supported by the debug |
|
3339 |
security server |
|
3340 |
*/ |
|
3341 |
TInt DRM_DebugChannel::GetDebugRegisterId(const TArmReg aKernelRegister, TRegisterInfo &aDebugRegister) const |
|
3342 |
{ |
|
3343 |
||
3344 |
// registers 0 - 15 and the CPSR share the same values as with the debug enums |
|
3345 |
if(aKernelRegister < 17) |
|
3346 |
{ |
|
3347 |
TUint32 id = aKernelRegister; |
|
3348 |
aDebugRegister = id << 8; |
|
3349 |
} |
|
3350 |
//the DACR value is special and corresponds to EDF_Register_DACR |
|
3351 |
else if(aKernelRegister == EArmDacr) |
|
3352 |
{ |
|
3353 |
aDebugRegister = 0x00300f01; |
|
3354 |
} |
|
3355 |
// must be an unsupported register, return an error as such |
|
3356 |
else |
|
3357 |
{ |
|
3358 |
return KErrNotSupported; |
|
3359 |
} |
|
3360 |
||
3361 |
//found a supported register so return KErrNone |
|
3362 |
return KErrNone; |
|
3363 |
} |
|
3364 |
||
3365 |
/** |
|
3366 |
Helper function to find out whether the aIndex flag is set. This is equivalent |
|
3367 |
to the aIndex bit of aFlags being non-zero. |
|
3368 |
||
3369 |
@param aFlags set of flags |
|
3370 |
@param aIndex offset into aFlags to get flag from |
|
3371 |
||
3372 |
@return ETrue if bit is set, EFalse if not |
|
3373 |
*/ |
|
3374 |
TBool DRM_DebugChannel::GetFlagAtOffset(const TUint32 aFlags, const TArmReg aIndex) const |
|
3375 |
{ |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3376 |
return aFlags & (1<<aIndex); |
0 | 3377 |
} |
3378 |
||
3379 |
/* Register the attachment of a debug agent to a process to be debugged |
|
3380 |
* |
|
3381 |
* @param a1 - TDes8 target process name |
|
3382 |
* @param a2 - &TUint64 - Debug Agent Id |
|
3383 |
* |
|
3384 |
* @return - KErrNone if successful. KErrArgument if the filepath is not a valid size. |
|
3385 |
* KErrOutOfMemory if there is insufficient memory. Or one of the other system wide error codes |
|
3386 |
* if appropriate. |
|
3387 |
*/ |
|
3388 |
TInt DRM_DebugChannel::AttachProcess(TAny* a1, TAny* a2) |
|
3389 |
{ |
|
3390 |
LOG_MSG("DRM_DebugChannel::AttachProcess()"); |
|
3391 |
||
3392 |
// Validate the supplied TDes8 target process name in a1 |
|
3393 |
TInt length, maxLength; |
|
3394 |
TUint8* aPtr; |
|
3395 |
||
3396 |
TInt err = Kern::ThreadGetDesInfo(iClientThread,\ |
|
3397 |
a1,\ |
|
3398 |
length,\ |
|
3399 |
maxLength,\ |
|
3400 |
aPtr,\ |
|
3401 |
EFalse); |
|
3402 |
if (err != KErrNone) |
|
3403 |
{ |
|
3404 |
// Could not read the descriptor information |
|
3405 |
return err; |
|
3406 |
} |
|
3407 |
||
3408 |
// Check the processname is a valid size for a filepath |
|
3409 |
if (length < 1 || length >= KMaxPath) |
|
3410 |
{ |
|
3411 |
return KErrArgument; |
|
3412 |
} |
|
3413 |
||
3414 |
if (maxLength < 1 || maxLength >= KMaxPath) |
|
3415 |
{ |
|
3416 |
return KErrArgument; |
|
3417 |
} |
|
3418 |
||
3419 |
// Allocate space to store the target process name in a kernel-side TPtr8 |
|
3420 |
NKern::ThreadEnterCS(); |
|
3421 |
TUint8* buffer = (TUint8*)Kern::AllocZ(length); |
|
3422 |
NKern::ThreadLeaveCS(); |
|
3423 |
if (buffer==NULL) |
|
3424 |
{ |
|
3425 |
// Out of memory |
|
3426 |
return KErrNoMemory; |
|
3427 |
} |
|
3428 |
||
3429 |
// A temporary descriptor to store the target process name |
|
3430 |
TPtr8 targetProcessName(buffer,length,length); |
|
3431 |
||
3432 |
// Read the user-side data into targetProcessName |
|
3433 |
err = Kern::ThreadDesRead(iClientThread,a1,targetProcessName,0,KChunkShiftBy0); |
|
3434 |
if (err != KErrNone) |
|
3435 |
{ |
|
3436 |
// Could not read the user-side descriptor containing the target process name |
|
3437 |
NKern::ThreadEnterCS(); |
|
3438 |
Kern::Free(buffer); |
|
3439 |
NKern::ThreadLeaveCS(); |
|
3440 |
||
3441 |
return err; |
|
3442 |
} |
|
3443 |
||
3444 |
// Obtain the Debug Agent Id |
|
3445 |
TUint64 debugAgentId = 0; |
|
3446 |
||
3447 |
err = Kern::ThreadRawRead(iClientThread,a2,&debugAgentId,sizeof(debugAgentId)); |
|
3448 |
if (err != KErrNone) |
|
3449 |
{ |
|
3450 |
// Something bad happened so free the memory and return |
|
3451 |
NKern::ThreadEnterCS(); |
|
3452 |
Kern::Free(buffer); |
|
3453 |
NKern::ThreadLeaveCS(); |
|
3454 |
return err; |
|
3455 |
} |
|
3456 |
||
3457 |
// Add the target process to our list of tracked processes |
|
3458 |
err = TheDProcessTracker.AttachProcess(targetProcessName, debugAgentId); |
|
3459 |
||
3460 |
// Free the kernel-side memory containing targetProcessName data |
|
3461 |
NKern::ThreadEnterCS(); |
|
3462 |
Kern::Free(buffer); |
|
3463 |
NKern::ThreadLeaveCS(); |
|
3464 |
||
3465 |
return err; |
|
3466 |
} |
|
3467 |
||
3468 |
/* Register the detachment of a debug agent to a process to be debugged. |
|
3469 |
* |
|
3470 |
* @param - a1 TDes8 target process name in a1 |
|
3471 |
* @param a2 - &TUint64 - Debug Agent Id |
|
3472 |
* |
|
3473 |
* @return - KErrNone if successful. KErrArgument if the filepath is not a valid size. |
|
3474 |
* KErrOutOfMemory if there is insufficient memory. Or one of the other system wide error codes |
|
3475 |
* if appropriate. |
|
3476 |
*/ |
|
3477 |
TInt DRM_DebugChannel::DetachProcess(TAny* a1, TAny* a2) |
|
3478 |
{ |
|
3479 |
// Validate the supplied TDes8 target process name in a1 |
|
3480 |
TInt length, maxLength; |
|
3481 |
TUint8* aPtr; |
|
3482 |
||
3483 |
TInt err = Kern::ThreadGetDesInfo(iClientThread,\ |
|
3484 |
a1,\ |
|
3485 |
length,\ |
|
3486 |
maxLength,\ |
|
3487 |
aPtr,\ |
|
3488 |
EFalse); |
|
3489 |
if (err != KErrNone) |
|
3490 |
{ |
|
3491 |
return err; |
|
3492 |
} |
|
3493 |
||
3494 |
if (length < 1 || length >= KMaxPath) |
|
3495 |
{ |
|
3496 |
return KErrArgument; |
|
3497 |
} |
|
3498 |
||
3499 |
if (maxLength < 1 || maxLength >= KMaxPath) |
|
3500 |
{ |
|
3501 |
return KErrArgument; |
|
3502 |
} |
|
3503 |
||
3504 |
// Allocate space to store the target process name in a kernel-side TPtr8 |
|
3505 |
NKern::ThreadEnterCS(); |
|
3506 |
TUint8* buffer = (TUint8*)Kern::AllocZ(length); |
|
3507 |
NKern::ThreadLeaveCS(); |
|
3508 |
if (buffer==NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3509 |
{ |
0 | 3510 |
// Out of memory |
3511 |
return KErrNoMemory; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3512 |
} |
0 | 3513 |
|
3514 |
TPtr8 targetProcessName(buffer,length,length); |
|
3515 |
||
3516 |
// Read the user-side data into targetProcessName |
|
3517 |
err = Kern::ThreadDesRead(iClientThread,a1,targetProcessName,0,KChunkShiftBy0); |
|
3518 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3519 |
{ |
0 | 3520 |
// Something bad happened so free the memory and return |
3521 |
NKern::ThreadEnterCS(); |
|
3522 |
Kern::Free(buffer); |
|
3523 |
NKern::ThreadLeaveCS(); |
|
3524 |
||
3525 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3526 |
} |
0 | 3527 |
|
3528 |
// Obtain the AgentId |
|
3529 |
TUint64 debugAgentId = 0; |
|
3530 |
||
3531 |
err = Kern::ThreadRawRead(iClientThread,a2,&debugAgentId,sizeof(debugAgentId)); |
|
3532 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3533 |
{ |
0 | 3534 |
// Something bad happened so free the memory and return |
3535 |
NKern::ThreadEnterCS(); |
|
3536 |
Kern::Free(buffer); |
|
3537 |
NKern::ThreadLeaveCS(); |
|
3538 |
||
3539 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3540 |
} |
0 | 3541 |
|
3542 |
// Remove the process from our list of tracked processes |
|
3543 |
err = TheDProcessTracker.DetachProcess(targetProcessName, debugAgentId); |
|
3544 |
||
3545 |
// Free the kernel-side memory containing targetProcessName data |
|
3546 |
NKern::ThreadEnterCS(); |
|
3547 |
Kern::Free(buffer); |
|
3548 |
NKern::ThreadLeaveCS(); |
|
3549 |
||
3550 |
return err; |
|
3551 |
} |
|
3552 |
||
3553 |
/* Register the detachment of a debug agent from all processes being debugged. |
|
3554 |
* |
|
3555 |
* @param - a1 - &TUint64 Debug Agent Id. |
|
3556 |
* @return - KErrNone if successful. One of the system-wide error codes otherwise. |
|
3557 |
*/ |
|
3558 |
TInt DRM_DebugChannel::DetachAgent(TAny* a1, TAny* a2) |
|
3559 |
{ |
|
3560 |
// Obtain the AgentId |
|
3561 |
TUint64 debugAgentId = 0; |
|
3562 |
||
3563 |
TInt err = Kern::ThreadRawRead(iClientThread,a1,&debugAgentId,sizeof(debugAgentId)); |
|
3564 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3565 |
{ |
0 | 3566 |
return err; |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3567 |
} |
0 | 3568 |
|
3569 |
// Remove the process from our list of tracked processes |
|
3570 |
return TheDProcessTracker.DetachAgent(debugAgentId); |
|
3571 |
} |
|
3572 |
||
3573 |
/* Set the action associated with a particular kernel event for a given agent and target process |
|
3574 |
* |
|
3575 |
* @param - a1 TDes8 target process name in a1 |
|
3576 |
* @param - a2 &TRM_DebugEventActionInfo |
|
3577 |
* @return - KErrNone if successful. KErrArgument if the filepath is an invalid size. Or one of |
|
3578 |
* the other system wide error codes if appropriate. |
|
3579 |
*/ |
|
3580 |
TInt DRM_DebugChannel::SetEventAction(TAny* a1, TAny* a2) |
|
3581 |
{ |
|
3582 |
// Validate the supplied TDes8 target process name in a1 |
|
3583 |
TInt length, maxLength; |
|
3584 |
TUint8* aPtr; |
|
3585 |
||
3586 |
TInt err = Kern::ThreadGetDesInfo(iClientThread,\ |
|
3587 |
a1,\ |
|
3588 |
length,\ |
|
3589 |
maxLength,\ |
|
3590 |
aPtr,\ |
|
3591 |
EFalse); |
|
3592 |
if (err != KErrNone) |
|
3593 |
{ |
|
3594 |
return err; |
|
3595 |
} |
|
3596 |
||
3597 |
if (length < 1 || length >= KMaxPath) |
|
3598 |
{ |
|
3599 |
return KErrArgument; |
|
3600 |
} |
|
3601 |
||
3602 |
if (maxLength < 1 || maxLength >= KMaxPath) |
|
3603 |
{ |
|
3604 |
return KErrArgument; |
|
3605 |
} |
|
3606 |
||
3607 |
// Allocate space to store the target process name in a kernelspace TPtr8 |
|
3608 |
NKern::ThreadEnterCS(); |
|
3609 |
TUint8* buffer = (TUint8*)Kern::AllocZ(length); |
|
3610 |
NKern::ThreadLeaveCS(); |
|
3611 |
if (buffer==NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3612 |
{ |
0 | 3613 |
// Out of memory |
3614 |
return KErrNoMemory; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3615 |
} |
0 | 3616 |
TPtr8 targetProcessName(buffer,length,length); |
3617 |
||
3618 |
// Read the user-side data into targetProcessName |
|
3619 |
err = Kern::ThreadDesRead(iClientThread,a1,targetProcessName,0,KChunkShiftBy0); |
|
3620 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3621 |
{ |
0 | 3622 |
// Something bad happened so free the memory and return |
3623 |
NKern::ThreadEnterCS(); |
|
3624 |
Kern::Free(buffer); |
|
3625 |
NKern::ThreadLeaveCS(); |
|
3626 |
||
3627 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3628 |
} |
0 | 3629 |
|
3630 |
// Read the Event and Action from the user-side |
|
3631 |
TRM_DebugEventActionInfo info(0,0,0); |
|
3632 |
||
3633 |
err = Kern::ThreadRawRead(iClientThread, a2, &info, sizeof(info)); |
|
3634 |
if (err != KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3635 |
{ |
0 | 3636 |
// Could not read event action data from the user-side |
3637 |
||
3638 |
// Free memory used for targetProcessName |
|
3639 |
NKern::ThreadEnterCS(); |
|
3640 |
Kern::Free(buffer); |
|
3641 |
NKern::ThreadLeaveCS(); |
|
3642 |
||
3643 |
return err; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3644 |
} |
0 | 3645 |
|
3646 |
// Find the target process |
|
3647 |
DTargetProcess* pProcess = TheDProcessTracker.FindProcess(targetProcessName); |
|
3648 |
if (pProcess == NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3649 |
{ |
0 | 3650 |
// Could not find this process |
3651 |
||
3652 |
// Free memory used for targetProcessName |
|
3653 |
NKern::ThreadEnterCS(); |
|
3654 |
Kern::Free(buffer); |
|
3655 |
NKern::ThreadLeaveCS(); |
|
3656 |
||
3657 |
return KErrArgument; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3658 |
} |
0 | 3659 |
|
3660 |
TUint64 debugAgentId = info.iAgentId; |
|
3661 |
||
3662 |
// Find the agent |
|
3663 |
DDebugAgent* debugAgent = pProcess->Agent(debugAgentId); |
|
3664 |
if (debugAgent == NULL) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3665 |
{ |
0 | 3666 |
// Bad agent means there is no tracking agent |
3667 |
LOG_MSG2("Cannot locate debug agent with pid 0x%0x16lx",info.iAgentId); |
|
3668 |
||
3669 |
// Free memory used for targetProcessName |
|
3670 |
NKern::ThreadEnterCS(); |
|
3671 |
Kern::Free(buffer); |
|
3672 |
NKern::ThreadLeaveCS(); |
|
3673 |
||
3674 |
return KErrGeneral; |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3675 |
} |
0 | 3676 |
|
3677 |
// Set the event action |
|
3678 |
debugAgent->SetEventAction((TEventType)info.iEvent,(TKernelEventAction)info.iAction); |
|
3679 |
||
3680 |
// Free memory used for targetProcessName |
|
3681 |
NKern::ThreadEnterCS(); |
|
3682 |
Kern::Free(buffer); |
|
3683 |
NKern::ThreadLeaveCS(); |
|
3684 |
||
3685 |
return KErrNone; |
|
3686 |
} |
|
3687 |
||
3688 |
TInt DRM_DebugChannel::Step(const TUint32 aThreadId, const TUint32 aNumSteps) |
|
3689 |
{ |
|
3690 |
LOG_MSG3("DRM_DebugChannel::Step(aThreadId = 0x%08x, aNumSteps = 0x%08x)\n",aThreadId,aNumSteps); |
|
3691 |
||
3692 |
DThread* thread = DebugUtils::OpenThreadHandle(aThreadId); |
|
3693 |
||
3694 |
if (thread == NULL) |
|
3695 |
{ |
|
3696 |
// The thread terminated before we could open it. |
|
3697 |
LOG_MSG2("DRM_DebugChannel::Step - Could not open thread %u", aThreadId); |
|
3698 |
||
3699 |
return KErrArgument; |
|
3700 |
} |
|
3701 |
||
3702 |
// We simply repeat this for desired number of steps |
|
3703 |
TInt err = KErrNone; |
|
3704 |
||
3705 |
// Need to step from the current location for 'n' steps |
|
3706 |
TUint32 startAddress; |
|
3707 |
||
3708 |
// We always step from the current PC. |
|
3709 |
err = ReadKernelRegisterValue(thread, PC_REGISTER, startAddress); |
|
3710 |
if(err != KErrNone) |
|
3711 |
{ |
|
3712 |
LOG_MSG2("DRM_DebugChannel::Step - Could not read the PC: %d", err); |
|
3713 |
||
3714 |
// Close the handle |
|
3715 |
thread->Close(NULL); |
|
3716 |
||
3717 |
return err; |
|
3718 |
} |
|
3719 |
||
3720 |
err = DoStepRange(thread, startAddress, startAddress, ETrue, EFalse, aNumSteps, ETrue); |
|
3721 |
||
3722 |
if (err != KErrNone) |
|
3723 |
{ |
|
3724 |
// There was a problem, return straightaway |
|
3725 |
LOG_MSG("DRM_DebugChannel::Step - failed to step"); |
|
3726 |
} |
|
3727 |
||
3728 |
// Close the handle |
|
3729 |
thread->Close(NULL); |
|
3730 |
||
3731 |
return err; |
|
3732 |
} |
|
3733 |
||
3734 |
TInt DRM_DebugChannel::KillProcess(const TUint32 aProcessId, const TInt aReason) |
|
3735 |
{ |
|
3736 |
LOG_MSG3("DRM_DebugChannel::KillProcess(aProcessId = 0x%08x, aReason = 0x%08x)\n",aProcessId,aReason); |
|
3737 |
||
3738 |
DProcess* process = DebugUtils::OpenProcessHandle(aProcessId); |
|
3739 |
||
3740 |
if (process == NULL) |
|
3741 |
{ |
|
3742 |
// The process terminated before we could open it to kill it ourselves. |
|
3743 |
LOG_MSG2("DRM_DebugChannel::KillProcess - Could not open process %u", aProcessId); |
|
3744 |
||
3745 |
return KErrArgument; |
|
3746 |
} |
|
3747 |
||
3748 |
TInt err = KErrNone; |
|
3749 |
||
3750 |
DebugSupport::TerminateProcess(process,aReason); |
|
3751 |
||
3752 |
// Close the handle |
|
3753 |
process->Close(NULL); |
|
3754 |
||
3755 |
return err; |
|
3756 |
} |
|
3757 |
||
3758 |
/* Security critical - this checks whether the specified process is debuggable or not |
|
3759 |
* |
|
3760 |
* @param aProcessId - The process id of the process to check |
|
3761 |
* @return KErrNone if debuggable, KErrPermissionDenied if not debuggable. |
|
3762 |
*/ |
|
3763 |
TInt DRM_DebugChannel::IsDebuggable(const TUint32 aProcessId) |
|
3764 |
{ |
|
3765 |
/* In order to ensure that only processes which are debuggable |
|
3766 |
* can be debugged, this function enables the security server |
|
3767 |
* to read the DProcess.iDebugAttributes field and ensure |
|
3768 |
* the process was created from a debuggable executable. |
|
3769 |
*/ |
|
3770 |
LOG_MSG2("DRM_DebugChannel::IsDebuggable(aProcessId 0x%08x)\n",aProcessId); |
|
3771 |
||
3772 |
TInt err = KErrPermissionDenied; |
|
3773 |
||
3774 |
DProcess* process = DebugUtils::OpenProcessHandle(aProcessId); |
|
3775 |
if (process) |
|
3776 |
{ |
|
3777 |
if (process->iDebugAttributes & TProcessCreateInfo::EDebugAllowed) |
|
3778 |
{ |
|
3779 |
// Yes this process exists and is debuggable |
|
3780 |
err = KErrNone; |
|
3781 |
} |
|
3782 |
process->Close(NULL); |
|
3783 |
} |
|
3784 |
||
3785 |
if (err == KErrNone) |
|
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3786 |
{ |
0 | 3787 |
LOG_MSG2("DRM_DebugChannel::IsDebuggable(aProcessId 0x%08x) - Yes it is debuggable\n",aProcessId); |
21
e7d2d738d3c2
Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
3788 |
} |
0 | 3789 |
|
3790 |
return err; |
|
3791 |
} |