1 // The MIT License (MIT)
2 //
3 // 	Copyright (c) 2015 Sergey Makeev, Vadim Slyusarev
4 //
5 // 	Permission is hereby granted, free of charge, to any person obtaining a copy
6 // 	of this software and associated documentation files (the "Software"), to deal
7 // 	in the Software without restriction, including without limitation the rights
8 // 	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // 	copies of the Software, and to permit persons to whom the Software is
10 // 	furnished to do so, subject to the following conditions:
11 //
12 //  The above copyright notice and this permission notice shall be included in
13 // 	all copies or substantial portions of the Software.
14 //
15 // 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // 	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // 	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // 	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // 	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // 	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 // 	THE SOFTWARE.
22 #pragma once
23 
24 #include <MTTypes.h>
25 
26 //
27 // micro windows header is used to avoid including heavy windows header to MTPlatform.h
28 //
29 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
30 
31 
32 #define MW_WINBASEAPI __declspec(dllimport)
33 #define MW_WINAPI __stdcall
34 
35 
36 #if defined(_WINDOWS_)
37 
38 //
39 // if windows.h is already included simply create aliases to the MW_ types
40 //
41 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
42 typedef LARGE_INTEGER MW_LARGE_INTEGER;
43 typedef BOOL MW_BOOL;
44 typedef HANDLE MW_HANDLE;
45 
46 typedef DWORD MW_DWORD;
47 typedef WORD MW_WORD;
48 typedef DWORD64 MW_DWORD64;
49 
50 typedef LPTHREAD_START_ROUTINE TThreadStartFunc;
51 
52 typedef SYSTEM_INFO MW_SYSTEM_INFO;
53 
54 typedef CRITICAL_SECTION MW_CRITICAL_SECTION;
55 
56 typedef CONTEXT MW_CONTEXT;
57 
58 #define MW_INFINITE (INFINITE)
59 #define MW_WAIT_OBJECT_0 (WAIT_OBJECT_0)
60 #define MW_MEM_COMMIT (MEM_COMMIT)
61 #define MW_PAGE_READWRITE (PAGE_READWRITE)
62 #define MW_PAGE_NOACCESS (PAGE_NOACCESS)
63 #define MW_MEM_RELEASE (MEM_RELEASE)
64 
65 
66 #define MW_STACK_BASE_OFFSET (FIELD_OFFSET(NT_TIB, StackBase))
67 #define MW_STACK_STACK_LIMIT_OFFSET (FIELD_OFFSET(NT_TIB, StackLimit))
68 #define MW_CONTEXT_FULL (CONTEXT_FULL)
69 
70 
71 #else
72 
73 // windows.h is not included declare types
74 
75 //
76 // define types
77 //
78 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79 
80 struct MW_LARGE_INTEGER
81 {
82 	int64 QuadPart;
83 };
84 
85 typedef int MW_BOOL;
86 typedef void* MW_HANDLE;
87 
88 typedef unsigned long MW_DWORD;
89 typedef unsigned short MW_WORD;
90 typedef unsigned __int64 MW_DWORD64;
91 
92 //
93 // define thread function
94 //
95 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
96 typedef MW_DWORD ( __stdcall *TThreadStartFunc )(void* lpThreadParameter);
97 
98 
99 //
100 // system info structure, only used members are declared
101 //
102 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
103 struct MW_SYSTEM_INFO
104 {
105 	uint8 _unused_01[4];
106 	MW_DWORD dwPageSize;
107 	void* _unused_02[3];
108 	MW_DWORD dwNumberOfProcessors;
109 	uint8 _unused_03[12];
110 };
111 
112 #if defined(_M_X64)
113 
114 //
115 // x64 critical section, only used members are declared
116 //
117 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
118 struct MW_CRITICAL_SECTION
119 {
120 	uint8 _unused[40];
121 };
122 
123 //
124 // x64 machine context, only used members are declared
125 //
126 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
127 struct __declspec(align(16)) MW_CONTEXT
128 {
129 	uint8 _unused_01[48];
130 	MW_DWORD ContextFlags;
131 	uint8 _unused_02[100];
132 	MW_DWORD64 Rsp;
133 	uint8 _unused_03[88];
134 	MW_DWORD64 Rip;
135 	uint8 _unused_04[976];
136 };
137 
138 #define MW_STACK_BASE_OFFSET (8)
139 #define MW_STACK_STACK_LIMIT_OFFSET (16)
140 #define MW_CONTEXT_FULL (0x10000B)
141 
142 
143 #else
144 
145 //
146 // x86 critical section, only used members are declared
147 //
148 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
149 struct MW_CRITICAL_SECTION
150 {
151 	uint8 _unused[24];
152 };
153 
154 //
155 // x86 machine context, only used members are declared
156 //
157 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
158 struct MW_CONTEXT
159 {
160 	MW_DWORD ContextFlags;
161 	uint8 _unused_01[180];
162 	MW_DWORD   Eip;
163 	uint8 _unused_02[8];
164 	MW_DWORD   Esp;
165 	uint8 _unused_03[516];
166 };
167 
168 
169 #define MW_STACK_BASE_OFFSET (4)
170 #define MW_STACK_STACK_LIMIT_OFFSET (8)
171 #define MW_CONTEXT_FULL (0x10007)
172 
173 
174 #endif
175 
176 
177 //
178 // defines and flags
179 //
180 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
181 #define MW_INFINITE (0xFFFFFFFF)
182 #define MW_WAIT_OBJECT_0 (0)
183 #define MW_MEM_COMMIT (0x1000)
184 #define MW_PAGE_READWRITE (0x04)
185 #define MW_PAGE_NOACCESS (0x01)
186 #define MW_MEM_RELEASE (0x8000)
187 
188 
189 #endif
190 
191 
192 
193 #if !defined(MW_SKIP_FUNCTIONS) && !defined(_WINDOWS_)
194 
195 //
196 // functions
197 //
198 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
199 
200 
201 extern "C" {
202 
203 MW_WINBASEAPI MW_BOOL MW_WINAPI QueryPerformanceFrequency(MW_LARGE_INTEGER* lpFrequency);
204 MW_WINBASEAPI MW_BOOL MW_WINAPI QueryPerformanceCounter(MW_LARGE_INTEGER* lpPerformanceCount);
205 
206 MW_WINBASEAPI MW_HANDLE MW_WINAPI CreateThread(void* lpThreadAttributes, size_t dwStackSize, TThreadStartFunc lpStartAddress, void* lpParameter, MW_DWORD dwCreationFlags, MW_DWORD* lpThreadId);
207 MW_WINBASEAPI MW_BOOL MW_WINAPI CloseHandle(MW_HANDLE hObject);
208 MW_WINBASEAPI MW_HANDLE MW_WINAPI GetCurrentThread();
209 MW_WINBASEAPI MW_DWORD MW_WINAPI GetCurrentThreadId();
210 
211 MW_WINBASEAPI void MW_WINAPI GetSystemInfo(MW_SYSTEM_INFO* lpSystemInfo);
212 
213 MW_WINBASEAPI void MW_WINAPI Sleep(MW_DWORD dwMilliseconds);
214 MW_WINBASEAPI MW_DWORD MW_WINAPI WaitForSingleObject(MW_HANDLE hHandle, MW_DWORD dwMilliseconds);
215 
216 MW_WINBASEAPI bool MW_WINAPI InitializeCriticalSectionAndSpinCount(MW_CRITICAL_SECTION* lpCriticalSection, MW_DWORD dwSpinCount );
217 MW_WINBASEAPI void MW_WINAPI DeleteCriticalSection(MW_CRITICAL_SECTION* lpCriticalSection );
218 MW_WINBASEAPI void MW_WINAPI EnterCriticalSection(MW_CRITICAL_SECTION* lpCriticalSection );
219 MW_WINBASEAPI void MW_WINAPI LeaveCriticalSection(MW_CRITICAL_SECTION* lpCriticalSection );
220 
221 MW_WINBASEAPI MW_HANDLE MW_WINAPI CreateEventA(MW_CRITICAL_SECTION* lpEventAttributes, MW_BOOL bManualReset, MW_BOOL bInitialState, const char* lpName );
222 MW_WINBASEAPI MW_HANDLE MW_WINAPI CreateEventW(MW_CRITICAL_SECTION* lpEventAttributes, MW_BOOL bManualReset, MW_BOOL bInitialState, const wchar_t* lpName );
223 MW_WINBASEAPI MW_BOOL MW_WINAPI SetEvent( MW_HANDLE hEvent );
224 MW_WINBASEAPI MW_BOOL MW_WINAPI ResetEvent( MW_HANDLE hEvent );
225 
226 MW_WINBASEAPI MW_BOOL MW_WINAPI GetThreadContext( MW_HANDLE hThread, MW_CONTEXT* lpContext );
227 MW_WINBASEAPI MW_BOOL MW_WINAPI SetThreadContext( MW_HANDLE hThread, const MW_CONTEXT* lpContext );
228 
229 MW_WINBASEAPI void* MW_WINAPI VirtualAlloc( void* lpAddress, size_t dwSize, MW_DWORD flAllocationType, MW_DWORD flProtect );
230 MW_WINBASEAPI MW_BOOL MW_WINAPI VirtualProtect( void* lpAddress, size_t dwSize, MW_DWORD flNewProtect, MW_DWORD* lpflOldProtect );
231 MW_WINBASEAPI MW_BOOL MW_WINAPI VirtualFree( void* lpAddress, size_t dwSize, MW_DWORD dwFreeType );
232 
233 }
234 
235 #endif
236