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/*
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* Copyright (c) 2020 Bitdefender
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ND_CRT_H
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#define ND_CRT_H
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#include "../../inc/disasmtypes.h"
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#ifndef UNREFERENCED_PARAMETER
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#define UNREFERENCED_PARAMETER(P) ((void)(P))
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#endif
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#if defined(_MSC_VER)
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typedef char * va_list;
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# ifndef _ADDRESSOF
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# ifdef __cplusplus
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# define _ADDRESSOF(v) ( &reinterpret_cast<const char &>(v) )
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# else
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# define _ADDRESSOF(v) ( &(v) )
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# endif // __cplusplus
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# endif // !_ADDRESSOF
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# ifndef KERNEL_MODE
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# if defined(AMD64) || defined(WIN64)
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extern void __cdecl __va_start(__out va_list *, ...); // is this exported by VC compiler?
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# define _crt_va_start(ap, x) ( __va_start(&ap, x) )
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# define _crt_va_arg(ap, t) ( ( sizeof(t) > sizeof(QWORD) || ( sizeof(t) & (sizeof(t) - 1) ) != 0 ) \
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? **(t **)( ( ap += sizeof(QWORD) ) - sizeof(QWORD) ) \
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: *(t *)( ( ap += sizeof(QWORD) ) - sizeof(QWORD) ) )
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# define _crt_va_end(ap) ( ap = (va_list)0 )
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# else
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// a guess at the proper definitions for other platforms
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# ifndef _INTSIZEOF
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# define _INTSIZEOF(n) ( (sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1) )
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# endif // !_INTSIZEOF
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# define _crt_va_start(ap,v) ( ap = (va_list)_ADDRESSOF(v) + _INTSIZEOF(v) )
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# define _crt_va_arg(ap,t) ( *(t *)((ap += _INTSIZEOF(t)) - _INTSIZEOF(t)) )
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# define _crt_va_end(ap) ( ap = (va_list)0 )
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# endif // AMD64 || WIN64
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# define va_start _crt_va_start
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# define va_arg _crt_va_arg
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# define va_end _crt_va_end
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#endif // KERNEL_MODE
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#else
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# include <stdarg.h>
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# define __forceinline inline __attribute__((always_inline))
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#endif // _MSC_VER
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// By default, an integrator is expected to provide nd_vsnprintf_s and nd_strcat_s.
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// bddisasm needs both for NdToText, while bdshemu needs nd_vsnprintf_s for emulation tracing.
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// If BDDISASM_NO_FORMAT is defined at compile time these requirements are removed. Instruction formatting will no
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// longer be available in bddisasm and emulation tracing will no longer be available in bdshemu.
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#ifndef BDDISASM_NO_FORMAT
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extern int nd_vsnprintf_s(
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char *buffer,
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size_t sizeOfBuffer,
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size_t count,
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const char *format,
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va_list argptr
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);
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char *
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nd_strcat_s(
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char *dst,
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size_t dst_size,
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const char *src
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);
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#endif // !BDDISASM_NO_FORMAT
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// Declared here only. Expecting it to be defined in the integrator.
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extern void *nd_memset(void *s, int c, size_t n);
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#define nd_memzero(Dest, Size) nd_memset((Dest), 0, (Size))
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#endif // ND_CRT_H
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