os/kernelhwsrv/kernel/eka/euser/epoc/x86/uc_trp.cia
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kernel/eka/euser/epoc/x86/uc_trp.cia	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,71 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// e32\euser\epoc\x86\uc_trp.cia
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#include <u32exec.h>
    1.22 +#include <e32panic.h>
    1.23 +
    1.24 +
    1.25 +#ifndef __LEAVE_EQUALS_THROW__
    1.26 +
    1.27 +void __stdcall DoTrap(TTrap* aFrame);
    1.28 +
    1.29 +EXPORT_C __NAKED__ TInt TTrap::Trap(TInt& /*aResult*/)
    1.30 +//
    1.31 +// Save the enter frame state and return 0.
    1.32 +//
    1.33 +	{
    1.34 +	THISCALL_PROLOG1()
    1.35 +	asm("mov edx, [esp]");
    1.36 +	asm("mov [ecx+0], edx");
    1.37 +	asm("mov [ecx+4], ebx");
    1.38 +	asm("mov [ecx+8], ebp");
    1.39 +	asm("mov [ecx+12], esp");
    1.40 +	asm("mov [ecx+16], esi");
    1.41 +	asm("mov [ecx+20], edi");
    1.42 +	asm("mov [ecx+24], ds");
    1.43 +	asm("mov [ecx+28], es");
    1.44 +	asm("mov [ecx+32], fs");
    1.45 +	asm("mov [ecx+36], gs");
    1.46 +	asm("mov edx, [esp+4]");
    1.47 +	asm("xor eax, eax");
    1.48 +	asm("mov [edx], eax");
    1.49 +	asm("mov [ecx+%0], edx": : "i"_FOFF(TTrap,iResult));
    1.50 +	asm("push ecx");
    1.51 +	asm("call %a0": : "i"(&DoTrap));
    1.52 +	asm("xor eax, eax");
    1.53 +	THISCALL_EPILOG1()
    1.54 +	}
    1.55 +
    1.56 +__NAKED__ void DoLeave(TTrap*)
    1.57 +	{
    1.58 +	asm("mov ecx, [esp+4]");
    1.59 +	asm("mov edx, [ecx+0]");
    1.60 +	asm("mov ebx, [ecx+4]");
    1.61 +	asm("mov ebp, [ecx+8]");
    1.62 +	asm("mov esp, [ecx+12]");
    1.63 +	asm("mov esi, [ecx+16]");
    1.64 +	asm("mov edi, [ecx+20]");
    1.65 +	asm("mov ds, [ecx+24]");
    1.66 +	asm("mov es, [ecx+28]");
    1.67 +	asm("mov fs, [ecx+32]");
    1.68 +	asm("mov gs, [ecx+36]");
    1.69 +	asm("mov [esp], edx");
    1.70 +	asm("mov eax, 1");
    1.71 +	THISCALL_EPILOG1() 
    1.72 +	}
    1.73 +
    1.74 +#endif // !__LEAVE_EQUALS_THROW__