/*
Package: dyncall
Library: dyncallback
File: dyncallback/dyncall_alloc_wx_win32.c
Description: Allocate write/executable memory - Implementation for win32 platform
License:
Copyright (c) 2007-2018 Daniel Adler <dadler@uni-goettingen.de>,
Tassilo Philipp <tphilipp@potion-studios.com>
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "dyncall_alloc_wx.h"
#include <windows.h>
#include <assert.h>
DCerror dcAllocWX(
size_t
size,
void
** ptr)
{
LPVOID
p = VirtualAlloc(0, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if
(p == NULL)
return
-1;
*ptr = p;
return
0;
}
DCerror dcInitExecWX(
void
* p,
size_t
size)
{
return
0;
}
void
dcFreeWX(
void
* p,
size_t
size)
{
BOOL
b = VirtualFree( p, 0, MEM_RELEASE);
assert
(b);
}