CommonPal.h 21 KB

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  1. //-------------------------------------------------------------------------------------------------------
  2. // Copyright (C) Microsoft. All rights reserved.
  3. // Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
  4. //-------------------------------------------------------------------------------------------------------
  5. #pragma once
  6. #define __MAKE_WARNING__(X) "This compiler does not support '" ## X ## "'"
  7. // Define _ALWAYSINLINE for template that want to always inline, but doesn't allow inline linkage in clang
  8. #if defined(__GNUC__) || defined(__clang__)
  9. #if __has_attribute(always_inline)
  10. #define _ALWAYSINLINE __attribute__((always_inline))
  11. #define __forceinline inline _ALWAYSINLINE
  12. #else // No always_inline support
  13. #pragma message __MAKE_WARNING__("always_inline")
  14. #define _ALWAYSINLINE inline
  15. #define __forceinline _ALWAYSINLINE
  16. #endif
  17. #if __has_attribute(noinline)
  18. #ifdef CLANG_HAS_DISABLE_TAIL_CALLS
  19. #define _NOINLINE __attribute__((noinline, disable_tail_calls))
  20. #else
  21. #define _NOINLINE __attribute__((noinline))
  22. #endif
  23. #else // No noinline support
  24. #pragma message __MAKE_WARNING__("noinline")
  25. #define _NOINLINE
  26. #endif
  27. #else // Windows
  28. #define _ALWAYSINLINE __forceinline
  29. #define _NOINLINE __declspec(noinline)
  30. #define __forceinline inline
  31. #endif
  32. // Only VC compiler support overflow guard
  33. #if defined(__GNUC__) || defined(__clang__)
  34. #define DECLSPEC_GUARD_OVERFLOW
  35. #else // Windows
  36. #define DECLSPEC_GUARD_OVERFLOW __declspec(guard(overflow))
  37. #endif
  38. #ifdef __clang__
  39. #define CLANG_WNO_BEGIN_(x) \
  40. _Pragma("clang diagnostic push")\
  41. _Pragma(#x)
  42. #define CLANG_WNO_BEGIN(x) CLANG_WNO_BEGIN_(clang diagnostic ignored x)
  43. #define CLANG_WNO_END
  44. _Pragma("clang diagnostic pop")
  45. #else
  46. #define CLANG_WNO_BEGIN(x)
  47. #define CLANG_WNO_END
  48. #endif
  49. #ifndef __has_builtin
  50. #define __has_builtin(x) 0
  51. #endif
  52. #ifdef _WIN32
  53. #pragma warning(push)
  54. #pragma warning(disable: 4995) /* 'function': name was marked as #pragma deprecated */
  55. // === Windows Header Files ===
  56. #define INC_OLE2 /* for windows.h */
  57. #define CONST_VTABLE /* for objbase.h */
  58. #include <windows.h>
  59. /* Don't want GetObject and GetClassName to be defined to GetObjectW and GetClassNameW */
  60. #undef GetObject
  61. #undef GetClassName
  62. #undef Yield /* winbase.h defines this but we want to use it for Js::OpCode::Yield; it is Win16 legacy, no harm undef'ing it */
  63. #pragma warning(pop)
  64. typedef wchar_t char16;
  65. // xplat-todo: get a better name for this macro
  66. #define _u(s) L##s
  67. #define INIT_PRIORITY(x)
  68. #define get_cpuid __cpuid
  69. #if defined(__clang__)
  70. __forceinline void __int2c()
  71. {
  72. __asm int 0x2c
  73. }
  74. #endif
  75. #else // !_WIN32
  76. #define USING_PAL_STDLIB 1
  77. #define STRSAFE_INLINE 1
  78. #ifdef PAL_STDCPP_COMPAT
  79. #include <wchar.h>
  80. #include <math.h>
  81. #include <time.h>
  82. #if defined(_AMD64_) || defined(__i686__)
  83. #include <smmintrin.h>
  84. #include <xmmintrin.h>
  85. #endif // defined(_AMD64_) || defined(__i686__)
  86. #endif
  87. #include "inc/pal.h"
  88. #include "inc/rt/palrt.h"
  89. #include "inc/rt/no_sal2.h"
  90. #include "inc/rt/oaidl.h"
  91. typedef char16_t char16;
  92. #define _u(s) u##s
  93. typedef GUID UUID;
  94. #define INIT_PRIORITY(x) __attribute__((init_priority(x)))
  95. #ifdef PAL_STDCPP_COMPAT
  96. #define __in
  97. #define __out
  98. #define FILE PAL_FILE
  99. #endif
  100. #if defined(_AMD64_) || defined(__i686__)
  101. // xplat-todo: verify below is correct
  102. #include <cpuid.h>
  103. inline int get_cpuid(int cpuInfo[4], int function_id)
  104. {
  105. return __get_cpuid(
  106. static_cast<unsigned int>(function_id),
  107. reinterpret_cast<unsigned int*>(&cpuInfo[0]),
  108. reinterpret_cast<unsigned int*>(&cpuInfo[1]),
  109. reinterpret_cast<unsigned int*>(&cpuInfo[2]),
  110. reinterpret_cast<unsigned int*>(&cpuInfo[3]));
  111. }
  112. #elif defined(_ARM_)
  113. inline int get_cpuid(int cpuInfo[4], int function_id)
  114. {
  115. int empty[4] = {0};
  116. memcpy(cpuInfo, empty, sizeof(int) * 4);
  117. // xplat-todo: implement me!!
  118. }
  119. #endif
  120. inline void DebugBreak()
  121. {
  122. __builtin_trap();
  123. }
  124. #define EXIT_FAILURE 1
  125. #define _BitScanForward BitScanForward
  126. #define _BitScanForward64 BitScanForward64
  127. #define _BitScanReverse BitScanReverse
  128. #define _BitScanReverse64 BitScanReverse64
  129. #define _bittest BitTest
  130. #define _bittestandset BitTestAndSet
  131. #define _interlockedbittestandset InterlockedBitTestAndSet
  132. #define DbgRaiseAssertionFailure() __builtin_trap()
  133. // These are not available in pal
  134. #define fwprintf_s fwprintf
  135. // PAL LoadLibraryExW not supported
  136. #define LOAD_LIBRARY_SEARCH_SYSTEM32 0
  137. // winnt.h
  138. #define FAST_FAIL_INVALID_ARG 5
  139. // winerror.h
  140. #define FACILITY_JSCRIPT 2306
  141. #define JSCRIPT_E_CANTEXECUTE _HRESULT_TYPEDEF_(0x89020001L)
  142. #define DISP_E_UNKNOWNINTERFACE _HRESULT_TYPEDEF_(0x80020001L)
  143. #define DISP_E_MEMBERNOTFOUND _HRESULT_TYPEDEF_(0x80020003L)
  144. #define DISP_E_UNKNOWNNAME _HRESULT_TYPEDEF_(0x80020006L)
  145. #define DISP_E_NONAMEDARGS _HRESULT_TYPEDEF_(0x80020007L)
  146. #define DISP_E_EXCEPTION _HRESULT_TYPEDEF_(0x80020009L)
  147. #define DISP_E_BADINDEX _HRESULT_TYPEDEF_(0x8002000BL)
  148. #define DISP_E_UNKNOWNLCID _HRESULT_TYPEDEF_(0x8002000CL)
  149. #define DISP_E_ARRAYISLOCKED _HRESULT_TYPEDEF_(0x8002000DL)
  150. #define DISP_E_BADPARAMCOUNT _HRESULT_TYPEDEF_(0x8002000EL)
  151. #define DISP_E_PARAMNOTOPTIONAL _HRESULT_TYPEDEF_(0x8002000FL)
  152. #define DISP_E_NOTACOLLECTION _HRESULT_TYPEDEF_(0x80020011L)
  153. #define TYPE_E_DLLFUNCTIONNOTFOUND _HRESULT_TYPEDEF_(0x8002802FL)
  154. #define TYPE_E_TYPEMISMATCH _HRESULT_TYPEDEF_(0x80028CA0L)
  155. #define TYPE_E_OUTOFBOUNDS _HRESULT_TYPEDEF_(0x80028CA1L)
  156. #define TYPE_E_IOERROR _HRESULT_TYPEDEF_(0x80028CA2L)
  157. #define TYPE_E_CANTCREATETMPFILE _HRESULT_TYPEDEF_(0x80028CA3L)
  158. #define TYPE_E_CANTLOADLIBRARY _HRESULT_TYPEDEF_(0x80029C4AL)
  159. #define STG_E_TOOMANYOPENFILES _HRESULT_TYPEDEF_(0x80030004L)
  160. #define STG_E_ACCESSDENIED _HRESULT_TYPEDEF_(0x80030005L)
  161. #define STG_E_INSUFFICIENTMEMORY _HRESULT_TYPEDEF_(0x80030008L)
  162. #define STG_E_NOMOREFILES _HRESULT_TYPEDEF_(0x80030012L)
  163. #define STG_E_DISKISWRITEPROTECTED _HRESULT_TYPEDEF_(0x80030013L)
  164. #define STG_E_READFAULT _HRESULT_TYPEDEF_(0x8003001EL)
  165. #define STG_E_SHAREVIOLATION _HRESULT_TYPEDEF_(0x80030020L)
  166. #define STG_E_LOCKVIOLATION _HRESULT_TYPEDEF_(0x80030021L)
  167. #define STG_E_MEDIUMFULL _HRESULT_TYPEDEF_(0x80030070L)
  168. #define STG_E_INVALIDNAME _HRESULT_TYPEDEF_(0x800300FCL)
  169. #define STG_E_INUSE _HRESULT_TYPEDEF_(0x80030100L)
  170. #define STG_E_NOTCURRENT _HRESULT_TYPEDEF_(0x80030101L)
  171. #define STG_E_CANTSAVE _HRESULT_TYPEDEF_(0x80030103L)
  172. #define REGDB_E_CLASSNOTREG _HRESULT_TYPEDEF_(0x80040154L)
  173. #define MK_E_UNAVAILABLE _HRESULT_TYPEDEF_(0x800401E3L)
  174. #define MK_E_INVALIDEXTENSION _HRESULT_TYPEDEF_(0x800401E6L)
  175. #define MK_E_CANTOPENFILE _HRESULT_TYPEDEF_(0x800401EAL)
  176. #define CO_E_APPNOTFOUND _HRESULT_TYPEDEF_(0x800401F5L)
  177. #define CO_E_APPDIDNTREG _HRESULT_TYPEDEF_(0x800401FEL)
  178. #define GetScode(hr) ((SCODE) (hr))
  179. // activscp.h
  180. #define SCRIPT_E_RECORDED _HRESULT_TYPEDEF_(0x86664004L)
  181. typedef
  182. enum tagBREAKPOINT_STATE
  183. {
  184. BREAKPOINT_DELETED = 0,
  185. BREAKPOINT_DISABLED = 1,
  186. BREAKPOINT_ENABLED = 2
  187. } BREAKPOINT_STATE;
  188. typedef
  189. enum tagBREAKRESUME_ACTION
  190. {
  191. BREAKRESUMEACTION_ABORT = 0,
  192. BREAKRESUMEACTION_CONTINUE = ( BREAKRESUMEACTION_ABORT + 1 ) ,
  193. BREAKRESUMEACTION_STEP_INTO = ( BREAKRESUMEACTION_CONTINUE + 1 ) ,
  194. BREAKRESUMEACTION_STEP_OVER = ( BREAKRESUMEACTION_STEP_INTO + 1 ) ,
  195. BREAKRESUMEACTION_STEP_OUT = ( BREAKRESUMEACTION_STEP_OVER + 1 ) ,
  196. BREAKRESUMEACTION_IGNORE = ( BREAKRESUMEACTION_STEP_OUT + 1 ) ,
  197. BREAKRESUMEACTION_STEP_DOCUMENT = ( BREAKRESUMEACTION_IGNORE + 1 )
  198. } BREAKRESUMEACTION;
  199. enum tagDBGPROP_ATTRIB_FLAGS
  200. {
  201. DBGPROP_ATTRIB_NO_ATTRIB= 0,
  202. DBGPROP_ATTRIB_VALUE_IS_INVALID= 0x8,
  203. DBGPROP_ATTRIB_VALUE_IS_EXPANDABLE= 0x10,
  204. DBGPROP_ATTRIB_VALUE_IS_FAKE= 0x20,
  205. DBGPROP_ATTRIB_VALUE_IS_METHOD= 0x100,
  206. DBGPROP_ATTRIB_VALUE_IS_EVENT= 0x200,
  207. DBGPROP_ATTRIB_VALUE_IS_RAW_STRING= 0x400,
  208. DBGPROP_ATTRIB_VALUE_READONLY= 0x800,
  209. DBGPROP_ATTRIB_ACCESS_PUBLIC= 0x1000,
  210. DBGPROP_ATTRIB_ACCESS_PRIVATE= 0x2000,
  211. DBGPROP_ATTRIB_ACCESS_PROTECTED= 0x4000,
  212. DBGPROP_ATTRIB_ACCESS_FINAL= 0x8000,
  213. DBGPROP_ATTRIB_STORAGE_GLOBAL= 0x10000,
  214. DBGPROP_ATTRIB_STORAGE_STATIC= 0x20000,
  215. DBGPROP_ATTRIB_STORAGE_FIELD= 0x40000,
  216. DBGPROP_ATTRIB_STORAGE_VIRTUAL= 0x80000,
  217. DBGPROP_ATTRIB_TYPE_IS_CONSTANT= 0x100000,
  218. DBGPROP_ATTRIB_TYPE_IS_SYNCHRONIZED= 0x200000,
  219. DBGPROP_ATTRIB_TYPE_IS_VOLATILE= 0x400000,
  220. DBGPROP_ATTRIB_HAS_EXTENDED_ATTRIBS= 0x800000,
  221. DBGPROP_ATTRIB_FRAME_INTRYBLOCK= 0x1000000,
  222. DBGPROP_ATTRIB_FRAME_INCATCHBLOCK= 0x2000000,
  223. DBGPROP_ATTRIB_FRAME_INFINALLYBLOCK= 0x4000000,
  224. DBGPROP_ATTRIB_VALUE_IS_RETURN_VALUE= 0x8000000
  225. };
  226. typedef DWORD DBGPROP_ATTRIB_FLAGS;
  227. enum tagDBGPROP_INFO_FLAgS
  228. {
  229. DBGPROP_INFO_NAME= 0x1,
  230. DBGPROP_INFO_TYPE= 0x2,
  231. DBGPROP_INFO_VALUE= 0x4,
  232. DBGPROP_INFO_FULLNAME= 0x20,
  233. DBGPROP_INFO_ATTRIBUTES= 0x8,
  234. DBGPROP_INFO_DEBUGPROP= 0x10,
  235. DBGPROP_INFO_BEAUTIFY= 0x2000000,
  236. DBGPROP_INFO_CALLTOSTRING= 0x4000000,
  237. DBGPROP_INFO_AUTOEXPAND= 0x800000
  238. };
  239. typedef DWORD DBGPROP_INFO_FLAGS;
  240. #define DBGPROP_INFO_STANDARD ((((DBGPROP_INFO_NAME | DBGPROP_INFO_TYPE) | DBGPROP_INFO_VALUE) | DBGPROP_INFO_ATTRIBUTES))
  241. #define DBGPROP_INFO_ALL ((((((DBGPROP_INFO_NAME | DBGPROP_INFO_TYPE ) | DBGPROP_INFO_VALUE) | DBGPROP_INFO_FULLNAME) | DBGPROP_INFO_ATTRIBUTES) | DBGPROP_INFO_DEBUGPROP))
  242. // _countof
  243. #if defined _M_X64 || defined _M_ARM || defined _M_ARM64
  244. #define _UNALIGNED __unaligned
  245. #else
  246. #define _UNALIGNED
  247. #endif
  248. #ifdef __cplusplus
  249. extern "C++"
  250. {
  251. template <typename _CountofType, size_t _SizeOfArray>
  252. char(*__countof_helper(_UNALIGNED _CountofType(&_Array)[_SizeOfArray]))[_SizeOfArray];
  253. #define __crt_countof(_Array) (sizeof(*__countof_helper(_Array)) + 0)
  254. }
  255. #else
  256. #define __crt_countof(_Array) (sizeof(_Array) / sizeof(_Array[0]))
  257. #endif
  258. #ifndef _countof
  259. #define _countof __crt_countof
  260. #endif
  261. // _countof
  262. #define ARRAYSIZE(A) _countof(A)
  263. //
  264. // Singly linked list structure. Can be used as either a list head, or
  265. // as link words.
  266. //
  267. typedef struct _SINGLE_LIST_ENTRY {
  268. struct _SINGLE_LIST_ENTRY *Next;
  269. } SINGLE_LIST_ENTRY, *PSINGLE_LIST_ENTRY;
  270. #if defined(_WIN64)
  271. //
  272. // The type SINGLE_LIST_ENTRY is not suitable for use with SLISTs. For
  273. // WIN64, an entry on an SLIST is required to be 16-byte aligned, while a
  274. // SINGLE_LIST_ENTRY structure has only 8 byte alignment.
  275. //
  276. // Therefore, all SLIST code should use the SLIST_ENTRY type instead of the
  277. // SINGLE_LIST_ENTRY type.
  278. //
  279. #pragma warning(push)
  280. #pragma warning(disable:4324) // structure padded due to align()
  281. typedef struct DECLSPEC_ALIGN(16) _SLIST_ENTRY {
  282. struct _SLIST_ENTRY *Next;
  283. } SLIST_ENTRY, *PSLIST_ENTRY;
  284. #pragma warning(pop)
  285. #else
  286. typedef struct _SINGLE_LIST_ENTRY SLIST_ENTRY, *PSLIST_ENTRY;
  287. #endif // _WIN64
  288. #if defined(_AMD64_)
  289. typedef union DECLSPEC_ALIGN(16) _SLIST_HEADER {
  290. struct { // original struct
  291. ULONGLONG Alignment;
  292. ULONGLONG Region;
  293. } DUMMYSTRUCTNAME;
  294. struct { // x64 16-byte header
  295. ULONGLONG Depth : 16;
  296. ULONGLONG Sequence : 48;
  297. ULONGLONG Reserved : 4;
  298. ULONGLONG NextEntry : 60; // last 4 bits are always 0's
  299. } HeaderX64;
  300. } SLIST_HEADER, *PSLIST_HEADER;
  301. #elif defined(_X86_)
  302. typedef union _SLIST_HEADER {
  303. ULONGLONG Alignment;
  304. struct {
  305. SLIST_ENTRY Next;
  306. WORD Depth;
  307. WORD CpuId;
  308. } DUMMYSTRUCTNAME;
  309. } SLIST_HEADER, *PSLIST_HEADER;
  310. #elif defined(_ARM_)
  311. typedef union _SLIST_HEADER {
  312. ULONGLONG Alignment;
  313. struct {
  314. SLIST_ENTRY Next;
  315. WORD Depth;
  316. WORD Reserved;
  317. } DUMMYSTRUCTNAME;
  318. } SLIST_HEADER, *PSLIST_HEADER;
  319. #endif
  320. PALIMPORT VOID PALAPI InitializeSListHead(IN OUT PSLIST_HEADER ListHead);
  321. PALIMPORT PSLIST_ENTRY PALAPI InterlockedPushEntrySList(IN OUT PSLIST_HEADER ListHead, IN OUT PSLIST_ENTRY ListEntry);
  322. PALIMPORT PSLIST_ENTRY PALAPI InterlockedPopEntrySList(IN OUT PSLIST_HEADER ListHead);
  323. template <class T>
  324. inline T InterlockedExchangeAdd(
  325. IN OUT T volatile *Addend,
  326. IN T Value)
  327. {
  328. return __sync_fetch_and_add(Addend, Value);
  329. }
  330. template <class T>
  331. inline T InterlockedExchangeSubtract(
  332. IN OUT T volatile *Addend,
  333. IN T Value)
  334. {
  335. return __sync_fetch_and_sub(Addend, Value);
  336. }
  337. template <class T>
  338. inline T InterlockedIncrement(
  339. IN OUT T volatile *Addend)
  340. {
  341. return __sync_add_and_fetch(Addend, T(1));
  342. }
  343. template <class T>
  344. inline T InterlockedDecrement(
  345. IN OUT T volatile *Addend)
  346. {
  347. return __sync_sub_and_fetch(Addend, T(1));
  348. }
  349. inline __int64 _abs64(__int64 n)
  350. {
  351. return n < 0 ? -n : n;
  352. }
  353. int GetCurrentThreadStackLimits(ULONG_PTR* lowLimit, ULONG_PTR* highLimit);
  354. bool IsAddressOnStack(ULONG_PTR address);
  355. errno_t rand_s(unsigned int* randomValue);
  356. inline char16* wmemset(char16* wcs, char16 wc, size_t n)
  357. {
  358. while (n)
  359. {
  360. wcs[--n] = wc;
  361. }
  362. return wcs;
  363. }
  364. inline errno_t wmemcpy_s(char16* dest, size_t destSize, const char16* src, size_t count)
  365. {
  366. return memcpy_s(dest, sizeof(char16) * destSize, src, sizeof(char16) * count);
  367. }
  368. inline int _wunlink(const char16* filename)
  369. {
  370. // WARN: does not set errno when fail
  371. return DeleteFile(filename) ? 0 : -1;
  372. }
  373. template <size_t size>
  374. inline errno_t _wcserror_s(char16 (&buffer)[size], int errnum)
  375. {
  376. const char* str = strerror(errnum);
  377. // WARN: does not return detail errno when fail
  378. return MultiByteToWideChar(CP_ACP, 0, str, -1, buffer, size) ? 0 : -1;
  379. }
  380. #define midl_user_allocate(size) \
  381. HeapAlloc(GetProcessHeap(), 0, (size))
  382. #define midl_user_free(ptr) \
  383. if (ptr != NULL) { HeapFree(GetProcessHeap(), NULL, ptr); }
  384. DWORD __cdecl CharLowerBuffW(const char16* lpsz, DWORD cchLength);
  385. DWORD __cdecl CharUpperBuffW(const char16* lpsz, DWORD cchLength);
  386. #define MAXUINT32 ((uint32_t)~((uint32_t)0))
  387. #define MAXINT32 ((int32_t)(MAXUINT32 >> 1))
  388. #define BYTE_MAX 0xff
  389. #define USHORT_MAX 0xffff
  390. #ifdef UNICODE
  391. #define StringCchPrintf StringCchPrintfW
  392. #endif
  393. #endif // _WIN32
  394. // Use intsafe.h for internal builds (currently missing some files with stdint.h)
  395. #if defined(_WIN32) && defined(NTBUILD)
  396. #define ENABLE_INTSAFE_SIGNED_FUNCTIONS 1
  397. #include <intsafe.h>
  398. #else
  399. #include <stdint.h>
  400. #endif
  401. #if defined(_MSC_VER) && !defined(__clang__)
  402. // ms-specific keywords
  403. #define _ABSTRACT abstract
  404. // MSVC2015 does not support C++11 semantics for `typename QualifiedName` declarations
  405. // outside of template code.
  406. #define _TYPENAME
  407. #else
  408. #define _ABSTRACT
  409. #define _TYPENAME typename
  410. #endif
  411. #if (defined(_MSC_VER) && _MSC_VER < 1900) || defined(NTBUILD)
  412. // "noexcept" not supported before VS 2015
  413. #define _NOEXCEPT_ throw()
  414. #else
  415. #define _NOEXCEPT_ noexcept
  416. #endif
  417. #ifdef _MSC_VER
  418. extern "C" PVOID _ReturnAddress(VOID);
  419. #pragma intrinsic(_ReturnAddress)
  420. extern "C" void * _AddressOfReturnAddress(void);
  421. #elif defined(__GNUC__) || defined(__clang__)
  422. #define _ReturnAddress() __builtin_return_address(0)
  423. __forceinline void * _AddressOfReturnAddress()
  424. {
  425. return (void*)((char*) __builtin_frame_address(0) + sizeof(void*));
  426. }
  427. #else
  428. #error _AddressOfReturnAddress and _ReturnAddress not defined for this platform
  429. #endif
  430. // Define strsafe related types and defines for non-VC++ compilers
  431. #ifndef _MSC_VER
  432. // xplat-todo: figure out why strsafe.h includes stdio etc
  433. // which prevents me from directly including PAL's strsafe.h
  434. #ifdef __cplusplus
  435. #define _STRSAFE_EXTERN_C extern "C"
  436. #else
  437. #define _STRSAFE_EXTERN_C extern
  438. #endif
  439. // If you do not want to use these functions inline (and instead want to link w/ strsafe.lib), then
  440. // #define STRSAFE_LIB before including this header file.
  441. #if defined(STRSAFE_LIB)
  442. #define STRSAFEAPI _STRSAFE_EXTERN_C HRESULT __stdcall
  443. #pragma comment(lib, "strsafe.lib")
  444. #elif defined(STRSAFE_LIB_IMPL)
  445. #define STRSAFEAPI _STRSAFE_EXTERN_C HRESULT __stdcall
  446. #else
  447. #define STRSAFEAPI inline HRESULT __stdcall
  448. #define STRSAFE_INLINE
  449. #endif
  450. STRSAFEAPI StringCchPrintfW(WCHAR* pszDest, size_t cchDest, const WCHAR* pszFormat, ...);
  451. STRSAFEAPI StringVPrintfWorkerW(WCHAR* pszDest, size_t cchDest, const WCHAR* pszFormat, va_list argList);
  452. #define STRSAFE_MAX_CCH 2147483647 // max # of characters we support (same as INT_MAX)
  453. // STRSAFE error return codes
  454. //
  455. #define STRSAFE_E_INSUFFICIENT_BUFFER ((HRESULT)0x8007007AL) // 0x7A = 122L = ERROR_INSUFFICIENT_BUFFER
  456. #define STRSAFE_E_INVALID_PARAMETER ((HRESULT)0x80070057L) // 0x57 = 87L = ERROR_INVALID_PARAMETER
  457. #define STRSAFE_E_END_OF_FILE ((HRESULT)0x80070026L) // 0x26 = 38L = ERROR_HANDLE_EOF
  458. #endif
  459. // Provide the definitions for non-windows platforms
  460. #ifndef _MSC_VER
  461. STRSAFEAPI StringVPrintfWorkerW(WCHAR* pszDest, size_t cchDest, const WCHAR* pszFormat, va_list argList)
  462. {
  463. HRESULT hr = S_OK;
  464. if (cchDest == 0)
  465. {
  466. // can not null terminate a zero-byte dest buffer
  467. hr = STRSAFE_E_INVALID_PARAMETER;
  468. }
  469. else
  470. {
  471. int iRet;
  472. size_t cchMax;
  473. // leave the last space for the null terminator
  474. cchMax = cchDest - 1;
  475. iRet = _vsnwprintf(pszDest, cchMax, pszFormat, argList);
  476. // ASSERT((iRet < 0) || (((size_t)iRet) <= cchMax));
  477. if ((iRet < 0) || (((size_t)iRet) > cchMax))
  478. {
  479. // need to null terminate the string
  480. pszDest += cchMax;
  481. *pszDest = _u('\0');
  482. // we have truncated pszDest
  483. hr = STRSAFE_E_INSUFFICIENT_BUFFER;
  484. }
  485. else if (((size_t)iRet) == cchMax)
  486. {
  487. // need to null terminate the string
  488. pszDest += cchMax;
  489. *pszDest = _u('\0');
  490. }
  491. }
  492. return hr;
  493. }
  494. STRSAFEAPI StringCchPrintfW(WCHAR* pszDest, size_t cchDest, const WCHAR* pszFormat, ...)
  495. {
  496. HRESULT hr;
  497. if (cchDest > STRSAFE_MAX_CCH)
  498. {
  499. hr = STRSAFE_E_INVALID_PARAMETER;
  500. }
  501. else
  502. {
  503. va_list argList;
  504. va_start(argList, pszFormat);
  505. hr = StringVPrintfWorkerW(pszDest, cchDest, pszFormat, argList);
  506. va_end(argList);
  507. }
  508. return hr;
  509. }
  510. #endif
  511. #ifndef _WIN32
  512. __inline
  513. HRESULT ULongMult(ULONG ulMultiplicand, ULONG ulMultiplier, ULONG* pulResult);
  514. #endif
  515. template <class TryFunc, class FinallyFunc>
  516. void TryFinally(const TryFunc& tryFunc, const FinallyFunc& finallyFunc)
  517. {
  518. bool hasException = true;
  519. try
  520. {
  521. tryFunc();
  522. hasException = false;
  523. }
  524. catch(...)
  525. {
  526. finallyFunc(hasException);
  527. throw;
  528. }
  529. finallyFunc(hasException);
  530. }
  531. namespace PlatformAgnostic
  532. {
  533. __forceinline unsigned char _BitTestAndSet(LONG *_BitBase, int _BitPos)
  534. {
  535. #if defined(__clang__) && !defined(_ARM_)
  536. // Clang doesn't expand _bittestandset intrinic to bts, and it's implemention also doesn't work for _BitPos >= 32
  537. unsigned char retval = 0;
  538. asm(
  539. "bts %[_BitPos], %[_BitBase]\n\t"
  540. "setc %b[retval]\n\t"
  541. : [_BitBase] "+m" (*_BitBase), [retval] "+rm" (retval)
  542. : [_BitPos] "ri" (_BitPos)
  543. : "cc" // clobber condition code
  544. );
  545. return retval;
  546. #else
  547. return _bittestandset(_BitBase, _BitPos);
  548. #endif
  549. }
  550. __forceinline unsigned char _BitTest(LONG *_BitBase, int _BitPos)
  551. {
  552. #if defined(__clang__) && !defined(_ARM_)
  553. // Clang doesn't expand _bittest intrinic to bt, and it's implemention also doesn't work for _BitPos >= 32
  554. unsigned char retval;
  555. asm(
  556. "bt %[_BitPos], %[_BitBase]\n\t"
  557. "setc %b[retval]\n\t"
  558. : [retval] "+rm" (retval)
  559. : [_BitPos] "ri" (_BitPos), [_BitBase] "m" (*_BitBase)
  560. : "cc" // clobber condition code
  561. );
  562. return retval;
  563. #else
  564. return _bittest(_BitBase, _BitPos);
  565. #endif
  566. }
  567. __forceinline unsigned char _InterlockedBitTestAndSet(volatile LONG *_BitBase, int _BitPos)
  568. {
  569. #if defined(__clang__) && !defined(_ARM_)
  570. // Clang doesn't expand _interlockedbittestandset intrinic to lock bts, and it's implemention also doesn't work for _BitPos >= 32
  571. unsigned char retval;
  572. asm(
  573. "lock bts %[_BitPos], %[_BitBase]\n\t"
  574. "setc %b[retval]\n\t"
  575. : [_BitBase] "+m" (*_BitBase), [retval] "+rm" (retval)
  576. : [_BitPos] "ri" (_BitPos)
  577. : "cc" // clobber condition code
  578. );
  579. return retval;
  580. #else
  581. return _interlockedbittestandset(_BitBase, _BitPos);
  582. #endif
  583. }
  584. };
  585. #include "PlatformAgnostic/DateTime.h"
  586. #include "PlatformAgnostic/Numbers.h"
  587. #include "PlatformAgnostic/SystemInfo.h"
  588. #include "PlatformAgnostic/Thread.h"
  589. #include "PlatformAgnostic/AssemblyCommon.h"