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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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// e32test\debug\d_eventtracker.cia
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//
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//
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#include <arm.h>
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#include "d_eventtracker.h"
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//////////////////////////////////////////////////////////////////////////////
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// CIA symbol macros for Gcc98r2
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#if defined(__GCC32__)
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#define CSM_ZN13DEventTracker11HandleEventE12TKernelEventPvS1 " HandleEvent__13DEventTracker12TKernelEventPvT2"
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// CIA symbol macros for RVCT
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#elif defined(__ARMCC__)
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#define CSM_ZN13DEventTracker11HandleEventE12TKernelEventPvS1 " __cpp(DEventTracker::HandleEvent)"
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// CIA symbol macros for EABI assemblers
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#else
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#define CSM_ZN13DEventTracker11HandleEventE12TKernelEventPvS1 " _ZN13DEventTracker11HandleEventE12TKernelEventPvS1_"
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#endif
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//////////////////////////////////////////////////////////////////////////////
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__NAKED__ void DEventTracker::BranchToEventHandler()
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//
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// Breakpoint to call our event handler
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//
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{
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asm("breakstart: "); // start of breakpoint.
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asm("mov r3, r2"); // set up regs for call to our handler...
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asm("mov r2, r1"); //
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asm("mov r1, r0"); //
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asm("ldr r0, __TheEventTracker "); // fiddle this pointer
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asm("ldr r0, [r0] "); // load from TheEventTracker
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asm("ldr pc, [pc, #-4]" ); // do an absolute jump...
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asm(".word " CSM_ZN13DEventTracker11HandleEventE12TKernelEventPvS1 ); // to DEventTracker::HandleEvent
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asm("__TheEventTracker: "); // address of global variable:
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asm(".word %a0" : : "i" (&TheEventTracker)); // TheEventTracker
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asm("breakend: "); // end of breakpoint.
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}
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__NAKED__ TUint DEventTracker::BreakPointSize()
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//
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// Size of breakpoint
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//
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{
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asm("ldr r0, = breakend - breakstart");
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__JUMP(,lr);
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}
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__NAKED__ TUint DEventTracker::DummyHandler(TKernelEvent /*aEvent*/, TAny* /*a1*/, TAny* /*a2*/)
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//
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// Debugger breakpoint-able callback. Will be copied into RAM
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//
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{
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//
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// r0=aEvent, r1=a1, r2=a2
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//
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asm("dummystart: "); // start of fn.
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asm("nop"); // breakpoint-able instruction for the debugger to replace
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asm("nop"); // landing zone
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asm("nop"); // landing zone
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asm("nop"); // landing zone
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asm("nop"); // landing zone
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asm("nop"); // landing zone
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asm("nop"); // landing zone
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asm("mov r0, #%a0" : : "i" (DKernelEventHandler::ERunNext)); // return value
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__JUMP(,lr); // return
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asm("dummyend:"); // end of fn.
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}
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__NAKED__ TUint DEventTracker::DummyHandlerSize()
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//
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// Size of debugger breakpoint-able callback.
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//
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{
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asm("ldr r0, = dummyend - dummystart");
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__JUMP(,lr);
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}
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