kernel/eka/compsupp/rvct.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 21:31:10 +0200
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Revision: 201003 Kit: 201003
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// Copyright (c) 2008-2009 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 "ARM EABI LICENCE.txt"
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// which accompanies this distribution, and is available
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// in kernel/eka/compsupp.
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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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// This is the preinclude file for the RVCT compiler. It contains all the compiler
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// specific definitions required by the Symbian OS source code.
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// 
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//
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/**
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 @file
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 @publishedAll
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 @released
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*/
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#if defined(__PRODUCT_INCLUDE__)
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#include __PRODUCT_INCLUDE__
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#endif
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// stuff from e32def.h
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#define __NO_CLASS_CONSTS__
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#define __NORETURN__ __declspec(noreturn)
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#define __NORETURN_TERMINATOR()
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#ifndef IMPORT_C
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#define IMPORT_C __declspec(dllimport)
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#endif
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#ifndef EXPORT_C
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#define EXPORT_C __declspec(dllexport)
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#endif
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#ifndef IMPORT_D
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#if __ARMCC_VERSION < 310000
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    #define IMPORT_D __declspec(dllexport)
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#else
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    #define IMPORT_D __declspec(dllimport)
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#endif
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#endif
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#ifndef EXPORT_D
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#define EXPORT_D __declspec(dllexport)
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#endif
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// Used by some of RVCT's header files. For more information, see "C Library ABI for
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// the ARM Architecture."
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#define _AEABI_PORTABILITY_LEVEL 0
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/**
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Declares a class as being non-sharable.
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If a class is non-sharable, then a class implemented in another DLL cannot
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derive (inherit) from that class.
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Declaring a class as non-sharable prevents the compiler from exporting compiler
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implementation-specific symbols, i.e. run-time type-information and virtual
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tables. This prevents classes in other DLLs from being able to derive from it.
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Note :
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- if a class is marked as non-sharable, then Symbian OS requires all
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classes that are derived from that class, and which are also implemented in the same DLL, 
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to be declared as non-sharable.
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- by default, a class is sharable.
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The following code fragment shows how a non-sharable class is declared.
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@code
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NONSHARABLE_CLASS(CMyClass) : public CBase
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{
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public :
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...
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private :
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...
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}
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@endcode
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@param x  The name of the class to be declared as non-sharable.
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*/
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#define NONSHARABLE_CLASS(x)    class __declspec(notshared) x
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#define NONSHARABLE_STRUCT(x)   struct __declspec(notshared) x
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#define __NO_THROW throw ()
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#define __THROW(t) throw (t)
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#define TEMPLATE_SPECIALIZATION template<>
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#ifndef __int64
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#define __int64  long long
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#endif
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#define __VALUE_IN_REGS__ __value_in_regs
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#define	I64LIT(x)	x##LL
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#define	UI64LIT(x)	x##ULL
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#define __SOFTFP	__softfp
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// __TText from e32cmn.h also e32des16.h
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#ifdef __cplusplus
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typedef wchar_t __TText;	// Only ISO C++ has wchar_t as a primitive type
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#define __wchar_t_defined
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#else
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typedef unsigned short __TText;	
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#endif
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#define __TText_defined
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// __NAKED__ from cpudefs.h
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#define __NAKED__ __asm
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#define ____ONLY_USE_NAKED_IN_CIA____ __asm
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// Int64 and Uint64 from nkern\nklib.h
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typedef long long Int64;
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typedef unsigned long long Uint64;
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// Here are RVCT's definitions for stdarg.h
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// These should be used by e.g. stdlib
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#ifdef __cplusplus
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namespace std { extern "C" {
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#endif
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    typedef struct __va_list { void *__ap; } va_list;
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#ifdef __cplusplus
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} } 
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using ::std::va_list;
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#endif
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#define va_start(ap, parmN) __va_start(ap, parmN)
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#define va_arg(ap, type)    __va_arg(ap, type)
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#define va_end(ap)          ((void)0)
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// These are for Symbian OS C++ code
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#define VA_START(ap,pn) va_start(ap, pn)
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#define VA_ARG(ap,type) va_arg(ap,type)
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#define VA_END(ap)      va_end(ap)
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#define VA_LIST va_list
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#define __VA_LIST_defined
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// This should prevent /stdlib/linc/stdarg.h from doing damage.
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#define _STDARG_H
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// now deal with stdarg_e.h
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typedef va_list __e32_va_list;
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#define _STDARG_E_H
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// This is an EABI compliant compiler
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#ifndef __EABI__
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#define __EABI__
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#endif
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// These are hopefully temporary.
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// defining this means we don't get __NAKED__ ctors
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#ifndef __EABI_CTORS__
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#define __EABI_CTORS__
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#endif
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#ifndef __SYMBIAN_STDCPP_SUPPORT__
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	#include <symcpp.h>
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#endif
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#ifdef __cplusplus
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    // Support for throwing exceptions through embedded assembler Should only be
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    // needed user side.
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    #define	__EH_FRAME_ADDRESS(reg,offset)  FRAME ADDRESS reg, offset
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    #define __EH_FRAME_PUSH2(reg1,reg2)     FRAME PUSH {reg1, reg2}
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    #define __EH_FRAME_SAVE1(reg,offset)    FRAME SAVE {reg}, offset
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#endif
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