82 lines
3.7 KiB
C
82 lines
3.7 KiB
C
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: sdk/xtdk/xtdefs.h
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* DESCRIPTION: XT definitions for basic types
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* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
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*/
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#ifndef __XTDK_XTBASE_H
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#define __XTDK_XTBASE_H
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/* Routines and arguments modifiers */
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#define IN
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#define OUT
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#define XTAPI __stdcall
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#define XTCDECL __cdecl
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#define XTFASTCALL __fastcall
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#define XTINLINE __inline
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/* Variable modifiers */
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#define CONST const
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#define EXTERN extern
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#define STRUCT struct
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#define STATIC static
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#define VOLATILE volatile
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/* NULL values */
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#define NULL ((PVOID) 0)
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#define NULL64 ((VOID * PVOID) 0)
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/* Preprocessor macro for defining a structure alignment */
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#define ALIGN(x) __declspec(align(x))
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/* Macro for calculating size of an array */
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*x))
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/* Macro for accessing the base address of a structure from a structure member */
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#define CONTAIN_RECORD(Address, Type, Field) ((Type *)(((ULONG_PTR)Address) - (ULONG_PTR)(&(((Type *)0)->Field))))
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/* Macro for calculating byte offset of a field in the structure */
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#define FIELD_OFFSET(Structure, Field) ((LONG)(LONG_PTR)&(((Structure *)0)->Field))
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/* Macro for calculating size of a field in the structure */
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#define FIELD_SIZE(Structure, Field) (sizeof(((Structure *)0)->Field))
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/* Macro that yields field type in the structure */
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#define FIELD_TYPE(Structure, Field) (((Structure*)0)->Field)
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/* Macro for rounding down */
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#define ROUND_DOWN(X, Alignment) ((X) & ~((Alignment) - 1l))
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/* Macro for rounding up */
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#define ROUND_UP(X, Alignment) ROUND_DOWN((X) + (Alignment - 1), Alignment)
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/* Variadic ABI functions */
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typedef __builtin_va_list VA_LIST;
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#define VA_ARG(Marker, Type) ((sizeof (Type) < sizeof(UINT_PTR)) ? \
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(Type)(__builtin_va_arg(Marker, UINT_PTR)) : \
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(Type)(__builtin_va_arg(Marker, Type)))
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#define VA_COPY(Dest, Start) __builtin_va_copy(Dest, Start)
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#define VA_START(Marker, Parameter) __builtin_va_start(Marker, Parameter)
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#define VA_END(Marker) __builtin_va_end(Marker)
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/* Data conversion macros */
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#define HandleToLong(Var) ((LONG)(LONG_PTR)Var)
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#define HandleToUlong(Var) ((ULONG)(ULONG_PTR)Var)
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#define IntToPtr(Var) ((PVOID)(INT_PTR)Var)
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#define LongToHandle(Var) ((HANDLE)(LONG_PTR)Var)
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#define LongToPtr(Var) ((PVOID)(LONG_PTR)Var)
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#define PtrToInt(Var) ((INT)(INT_PTR)Var)
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#define PtrToLong(Var) ((LONG)(LONG_PTR)Var)
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#define PtrToShort(Var) ((SHORT)(LONG_PTR)Var)
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#define PtrToUint(Var) ((UINT)(UINT_PTR)Var)
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#define PtrToUlong(Var) ((ULONG)(ULONG_PTR)Var)
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#define PtrToUshort(Var) ((USHORT)(ULONG_PTR)Var)
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#define UintToPtr(Var) ((PVOID)(UINT_PTR)Var)
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#define UlongToHandle(Var) ((HANDLE)(ULONG_PTR)Var)
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#define UlongToPtr(Var) ((PVOID)(ULONG_PTR)Var)
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#endif /* __XTDK_XTBASE_H */
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