lnav/src/tables.h
2013-05-02 23:02:03 -07:00

92 lines
2.8 KiB
C

/**
* Copyright (c) 2007-2012, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __tables_h
#define __tables_h
#define __table_str( x ) #x
#define __table_section( table, idx ) \
__section__ ( ".tbl." __table_str ( table ) "." __table_str ( idx ) )
#define __table_section_start( table ) __table_section ( table, 00 )
#define __table_section_end( table ) __table_section ( table, 99 )
#define __natural_alignment( type ) __aligned__ ( __alignof__ ( type ) )
/**
* Linker table entry.
*
* Declares a data structure to be part of a linker table. Use as
* e.g.
*
* @code
*
* struct my_foo __table ( foo, 01 ) = {
* ...
* };
*
* @endcode
*
*/
#define __table( type, table, idx ) \
__attribute__ (( __table_section ( table, idx ), \
__natural_alignment ( type ) ))
/**
* Linker table start marker.
*
* Declares a data structure (usually an empty data structure) to be
* the start of a linker table. Use as e.g.
*
* @code
*
* static struct foo_start[0] __table_start ( foo );
*
* @endcode
*
*/
#define __table_start( type, table ) __table ( type, table, 00 )
/**
* Linker table end marker.
*
* Declares a data structure (usually an empty data structure) to be
* the end of a linker table. Use as e.g.
*
* @code
*
* static struct foo_end[0] __table_end ( foo );
*
* @endcode
*
*/
#define __table_end( type, table ) __table ( type, table, 99 )
#endif