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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Runtime/r3/win/vcc100-fakes.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/win/vcc100-fakes.h b/src/VBox/Runtime/r3/win/vcc100-fakes.h new file mode 100644 index 00000000..5f84e95a --- /dev/null +++ b/src/VBox/Runtime/r3/win/vcc100-fakes.h @@ -0,0 +1,131 @@ +/* $Id: vcc100-fakes.h $ */ +/** @file + * IPRT - Common macros for the Visual C++ 2010+ CRT import fakes. + */ + +/* + * Copyright (C) 2012-2020 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef IPRT_INCLUDED_SRC_r3_win_vcc100_fakes_h +#define IPRT_INCLUDED_SRC_r3_win_vcc100_fakes_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#ifdef RT_STRICT +# include <stdio.h> /* _snprintf */ +#endif + + +/** @def MY_ASSERT + * We use a special assertion macro here to avoid dragging in IPRT bits in + * places which cannot handle it (direct GA 3D bits or something like that). + * + * Turns out snprintf is off limits too. Needs Locale info and runs out of + * stack + */ +#ifdef RT_STRICT +# if 1 +# define MY_ASSERT(a_Expr, g_szMsg) \ + do { \ + if ((a_Expr)) \ + { /*likely*/ } \ + else \ + { \ + OutputDebugStringA("Assertion failed on line " RT_XSTR(__LINE__) ": " RT_XSTR(a_Expr) "\n"); \ + OutputDebugStringA("Assertion message: " g_szMsg "\n"); \ + RT_BREAKPOINT(); \ + } \ + } while (0) +# else +# define MY_ASSERT(a_Expr, ...) \ + do { \ + if ((a_Expr)) \ + { /*likely*/ } \ + else \ + { \ + char szTmp[256]; \ + _snprintf(szTmp, sizeof(szTmp), "Assertion failed on line %u in '%s': %s", __LINE__, __PRETTY_FUNCTION__, #a_Expr); \ + OutputDebugStringA(szTmp); \ + _snprintf(szTmp, sizeof(szTmp), __VA_ARGS__); \ + OutputDebugStringA(szTmp); \ + RT_BREAKPOINT(); \ + } \ + } while (0) +# endif +#else +# define MY_ASSERT(a_Expr, ...) do { } while (0) +#endif + + +/** Dynamically resolves an NTDLL API we need. */ +#define RESOLVE_NTDLL_API(ApiNm) \ + static bool volatile s_fInitialized##ApiNm = false; \ + static decltype(ApiNm) *s_pfn##ApiNm = NULL; \ + decltype(ApiNm) *pfn##ApiNm; \ + if (s_fInitialized##ApiNm) \ + pfn##ApiNm = s_pfn##ApiNm; \ + else \ + { \ + pfn##ApiNm = (decltype(pfn##ApiNm))GetProcAddress(GetModuleHandleW(L"ntdll"), #ApiNm); \ + s_pfn##ApiNm = pfn##ApiNm; \ + s_fInitialized##ApiNm = true; \ + } do {} while (0) + + +/** Declare a kernel32 API. + * @note We are not exporting them as that causes duplicate symbol troubles in + * the OpenGL bits. */ +#define DECL_KERNEL32(a_Type) extern "C" a_Type WINAPI + + +/** Ignore comments. */ +#define COMMENT(a_Text) + +/** Used for MAKE_IMPORT_ENTRY when declaring external g_pfnXxxx variables. */ +#define DECLARE_FUNCTION_POINTER(a_Name, a_cb) extern "C" decltype(a_Name) *RT_CONCAT(g_pfn, a_Name); + +/** Used in the InitFakes method to decl are uCurVersion used by assertion. */ +#ifdef RT_STRICT +# define CURRENT_VERSION_VARIABLE() \ + unsigned uCurVersion = GetVersion(); \ + uCurVersion = ((uCurVersion & 0xff) << 8) | ((uCurVersion >> 8) & 0xff) +#else +# define CURRENT_VERSION_VARIABLE() (void)0 +#endif + + +/** Used for MAKE_IMPORT_ENTRY when resolving an import. */ +#define RESOLVE_IMPORT(a_uMajorVer, a_uMinorVer, a_Name, a_cb) \ + do { \ + FARPROC pfnApi = GetProcAddress(hmod, #a_Name); \ + if (pfnApi) \ + RT_CONCAT(g_pfn, a_Name) = (decltype(a_Name) *)pfnApi; \ + else \ + { \ + MY_ASSERT(uCurVersion < (((a_uMajorVer) << 8) | (a_uMinorVer)), #a_Name); \ + RT_CONCAT(g_pfn, a_Name) = RT_CONCAT(Fake_,a_Name); \ + } \ + } while (0); + + +#endif /* !IPRT_INCLUDED_SRC_r3_win_vcc100_fakes_h */ + |