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/*
* Copyright © 2023 Luca Bacci
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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/>.
*/
#include "gconstructor.h"
#ifdef _WIN32
#include <windows.h>
#endif
#ifdef _WIN32
#ifdef __cplusplus
/* const defaults to static (internal visibility) in C++,
* but we want extern instead */
#define G_EXTERN_CONST extern const
#else
/* Using extern const in C is perfectly valid, but triggers
* a warning in GCC and CLANG, therefore we avoid it */
#define G_EXTERN_CONST const
#endif
#ifdef _MSC_VER
#define G_HAS_TLS_CALLBACKS 1
#define G_DEFINE_TLS_CALLBACK(func) \
__pragma (section (".CRT$XLCE", long, read)) \
\
static void NTAPI func (PVOID, DWORD, PVOID); \
\
G_BEGIN_DECLS \
__declspec (allocate (".CRT$XLCE")) \
G_EXTERN_CONST PIMAGE_TLS_CALLBACK _ptr_##func = func; \
G_END_DECLS \
\
__pragma (comment (linker, "/INCLUDE:" G_MSVC_SYMBOL_PREFIX "_tls_used")) \
__pragma (comment (linker, "/INCLUDE:" G_MSVC_SYMBOL_PREFIX "_ptr_" #func))
#else
#define G_HAS_TLS_CALLBACKS 1
#define G_DEFINE_TLS_CALLBACK(func) \
static void NTAPI func (PVOID, DWORD, PVOID); \
\
G_BEGIN_DECLS \
__attribute__ ((section (".CRT$XLCE"), used)) \
G_EXTERN_CONST PIMAGE_TLS_CALLBACK _ptr_##func = func; \
G_END_DECLS
#endif /* _MSC_VER */
#endif /* _WIN32 */
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