serval-dna/section.h
2015-08-24 10:17:04 +09:30

46 lines
1.4 KiB
C

/*
Copyright (C) 2015 Serval Project Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __SERVAL_DNA__SECTION_H
#define __SERVAL_DNA__SECTION_H
/* Macros for creating named linkage sections.
*/
#define SECTION_START(X) __start_##X
#define SECTION_END(X) __stop_##X
#ifdef __APPLE__
#define _SECTION_ATTRIBUTE(X) section("__DATA,__"#X)
#define DECLARE_SECTION(TYPE, X) \
extern TYPE SECTION_START(X)[] __asm("section$start$__DATA$__" #X);\
extern TYPE SECTION_END(X)[] __asm("section$end$__DATA$__" #X)
#else
#define _SECTION_ATTRIBUTE(X) section(#X)
#define DECLARE_SECTION(TYPE, X) \
extern TYPE SECTION_START(X)[];\
extern TYPE SECTION_END(X)[]
#endif
#define IN_SECTION(name) __attribute__((used,aligned(sizeof(void *)),_SECTION_ATTRIBUTE(name)))
#endif // __SERVAL_DNA__SECTION_H