1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Copyright 2017 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
#include <io.h>
#include <windows.h>
#include "nocover.h"
#define read read_win
#define write write_win
static void os_init(int argc, char** argv, void* data, size_t data_size)
{
if (VirtualAlloc(data, data_size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE) != data)
fail("mmap of data segment failed");
}
static intptr_t execute_syscall(const call_t* c, intptr_t a[kMaxArgs])
{
__try {
return c->call(a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8]);
} __except (EXCEPTION_EXECUTE_HANDLER) {
return -1;
}
}
static __inline int read_win(int pipe_id, void* input_data, int data_size)
{
DWORD dwBytesRead = 0;
ReadFile((HANDLE)_get_osfhandle(pipe_id), input_data, data_size, &dwBytesRead, NULL);
return (int)dwBytesRead;
}
static __inline int write_win(int pipe_id, void* input_data, int data_size)
{
DWORD dwBytesWritten = 0;
WriteFile((HANDLE)_get_osfhandle(pipe_id), input_data, data_size, &dwBytesWritten, NULL);
return (int)dwBytesWritten;
}
|