view mem_win.c @ 1430:747c779fc137

Avoid generating an instruction that would require a REX prefix when a7 is used as a byte-wide source operand in 32-bit builds. Fixes a fatal error in Dragon's Fury when entering the option menu in a 32-bit build
author Michael Pavone <pavone@retrodev.com>
date Fri, 11 Aug 2017 18:43:48 -0700
parents bce97fc0bb8a
children
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/*
 Copyright 2013 Michael Pavone
 This file is part of BlastEm.
 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
*/

#include "mem.h"
#include <windows.h>

void * alloc_code(size_t *size)
{
	*size += PAGE_SIZE - (*size & (PAGE_SIZE - 1));

	return VirtualAlloc(NULL, *size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
}