/* * win32 specific declarations * * Copyright (c) 2003-2008 Fabrice Bellard * Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef QEMU_OS_WIN32_H #define QEMU_OS_WIN32_H #include <winsock2.h> #include <windows.h> #include <winnt.h> // For vectorized handler #include <ws2tcpip.h> #if defined(_WIN64) /* On w64, setjmp is implemented by _setjmp which needs a second parameter. * If this parameter is NULL, longjump does no stack unwinding. * That is what we need for QEMU. Passing the value of register rsp (default) * lets longjmp try a stack unwinding which will crash with generated code. */ #if defined(_MSC_VER) // MSVC // See qemu/include/utils/setjmp-wrapper-win32.asm for details. extern int _setjmp_wrapper(jmp_buf); #undef setjmp #define setjmp(env) _setjmp_wrapper(env) #else // MingW #undef setjmp #define setjmp(env) _setjmp(env, NULL) #endif #endif /* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify * "longjmp and don't touch the signal masks". Since we know that the * savemask parameter will always be zero we can safely define these * in terms of setjmp/longjmp on Win32. */ #define sigjmp_buf jmp_buf #define sigsetjmp(env, savemask) setjmp(env) #define siglongjmp(env, val) longjmp(env, val) int getpagesize(void); #endif