kernel/eka/euser/epoc/x86/uc_trp.cia
author hgs
Fri, 23 Apr 2010 22:08:41 +0100
changeset 121 661475905584
parent 0 a41df078684a
permissions -rw-r--r--
201015_08
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// Copyright (c) 2007-2009 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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// e32\euser\epoc\x86\uc_trp.cia
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// 
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//
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#include <u32exec.h>
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#include <e32panic.h>
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#ifndef __LEAVE_EQUALS_THROW__
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void __stdcall DoTrap(TTrap* aFrame);
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EXPORT_C __NAKED__ TInt TTrap::Trap(TInt& /*aResult*/)
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//
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// Save the enter frame state and return 0.
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//
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	{
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	THISCALL_PROLOG1()
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	asm("mov edx, [esp]");
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	asm("mov [ecx+0], edx");
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	asm("mov [ecx+4], ebx");
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	asm("mov [ecx+8], ebp");
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	asm("mov [ecx+12], esp");
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	asm("mov [ecx+16], esi");
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	asm("mov [ecx+20], edi");
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	asm("mov [ecx+24], ds");
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	asm("mov [ecx+28], es");
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	asm("mov [ecx+32], fs");
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	asm("mov [ecx+36], gs");
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	asm("mov edx, [esp+4]");
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	asm("xor eax, eax");
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	asm("mov [edx], eax");
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	asm("mov [ecx+%0], edx": : "i"_FOFF(TTrap,iResult));
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	asm("push ecx");
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	asm("call %a0": : "i"(&DoTrap));
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	asm("xor eax, eax");
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	THISCALL_EPILOG1()
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	}
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__NAKED__ void DoLeave(TTrap*)
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	{
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	asm("mov ecx, [esp+4]");
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	asm("mov edx, [ecx+0]");
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	asm("mov ebx, [ecx+4]");
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	asm("mov ebp, [ecx+8]");
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	asm("mov esp, [ecx+12]");
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	asm("mov esi, [ecx+16]");
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	asm("mov edi, [ecx+20]");
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	asm("mov ds, [ecx+24]");
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	asm("mov es, [ecx+28]");
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	asm("mov fs, [ecx+32]");
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	asm("mov gs, [ecx+36]");
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	asm("mov [esp], edx");
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	asm("mov eax, 1");
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	THISCALL_EPILOG1() 
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	}
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#endif // !__LEAVE_EQUALS_THROW__