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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef H_SPICE_COMMON_MACROS
#define H_SPICE_COMMON_MACROS
#include "verify.h"
#ifdef __GNUC__
#define SPICE_CONSTRUCTOR_FUNC(func_name) \
static void __attribute__((constructor)) func_name(void)
#define SPICE_DESTRUCTOR_FUNC(func_name) \
static void __attribute__((destructor)) func_name(void)
#elif defined(_MSC_VER)
#define SPICE_CONSTRUCTOR_FUNC(func_name) \
static void func_name(void); \
static int func_name ## _wrapper(void) { func_name(); return 0; } \
__pragma(section(".CRT$XCU",read)) \
__declspec(allocate(".CRT$XCU")) static int (* _array ## func_name)(void) = func_name ## _wrapper; \
static void func_name(void)
#define SPICE_DESTRUCTOR_FUNC(func_name) \
static void func_name(void); \
static int func_name ## _wrapper(void) { func_name(); return 0; } \
__pragma(section(".CRT$XPU",read)) \
__declspec(allocate(".CRT$XPU")) static int (* _array ## func_name)(void) = func_name ## _wrapper; \
static void func_name(void)
#else
#error Please implement SPICE_CONSTRUCTOR_FUNC and SPICE_DESTRUCTOR_FUNC for this compiler
#endif
#define SPICE_VERIFY(cond) verify_expr(cond, (void)1)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
#define SPICE_UNREACHABLE __builtin_unreachable()
#elif defined(_MSC_VER)
#define SPICE_UNREACHABLE __assume(0)
#else
#define SPICE_UNREACHABLE for(;;) continue
#endif
#endif // H_SPICE_COMMON_MACROS
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