compiler.h
#ifndef _compiler_h_
#define _compiler_h_
/** \file
* gcc specific hacks and defines.
*
* Both host and ARM.
*/
/*
* Copyright (C) 2009 Trammell Hudson <hudson+ml@osresearch.net>
*
* 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.
*/
//#include <string.h>
/** Compile time failure if a structure is not sized correctly */
#define SIZE_CHECK_STRUCT( struct_name, size ) \
static uint8_t __attribute__((unused)) \
__size_check_##struct_name[ \
sizeof( struct struct_name ) == size ? 0 : -1 \
]
/** Packed structures */
#define PACKED __attribute__((packed))
/** Force a variable to live in the text segment */
#define TEXT __attribute__((section(".text")))
/** Flag an argument as unused */
#define UNUSED_ATTR(x) __attribute__((unused)) x
/** Compute the number of entries in a static array */
#define COUNT(x) ((int)(sizeof(x)/sizeof((x)[0])))
/** Useful to debug macros */
#define VALUE_TO_STRING(x) #x
#define VALUE(x) VALUE_TO_STRING(x)
#define VAR_NAME_VALUE(var) #var "=" VALUE(var)
#ifdef __ARM__
#include "arm-mcr.h"
#elif __GNUC__
typedef void (*thunk)(void);
#include <features.h>
#include <stdint.h>
#include <limits.h>
#include <sys/types.h>
#endif
#endif