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#pragma once
#include <intrin.h>
#include "util.hpp"
#define get_baseptr( ) ( ( uintptr_t )( _AddressOfReturnAddress( ) ) - sizeof( uintptr_t ) )
class stack_t {
uintptr_t m_ptr;
public:
__forceinline stack_t( ) : m_ptr( get_baseptr( ) ) { }
__forceinline stack_t( uintptr_t ptr ) : m_ptr( ptr ) { }
template < typename t = uintptr_t >
__forceinline t get( ) {
return ( t )m_ptr;
}
template < typename t = uintptr_t >
__forceinline t return_address( ) {
return *( t* )( m_ptr + sizeof( void* ) );
}
template < typename t = uintptr_t >
__forceinline t address_of_return_address( ) {
return ( t )( m_ptr + sizeof( uintptr_t ) );
}
__forceinline stack_t& next( ) {
return *( stack_t* )( m_ptr );
}
template < typename t = uintptr_t >
__forceinline t local( size_t at ) {
return ( t )( m_ptr - at );
}
template < typename t = uintptr_t >
__forceinline t arg( size_t at ) {
return ( t )( m_ptr + at );
}
};
namespace util {
template < typename t = uint8_t >
__forceinline t* memcpy( t* dst, t* src, size_t size = sizeof( t ) ) {
__movsb(
( uint8_t* )dst,
( uint8_t* )src,
size
);
return dst;
}
__forceinline void* memset( uint8_t* dst, uint8_t val, size_t size ) {
__stosb(
dst,
val,
size
);
return dst;
}
}
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