cpu.h

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/*
 * Copyright (C) 2013 - 2016 Ludwig Knüpfer <ludwig.knuepfer@fu-berlin.de>
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#ifndef CPU_H
#define CPU_H
 
#include <stdint.h>
#include <stdio.h>
#include "cpu_conf.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* MARK: - Basics */
#define CPU_HAS_UNALIGNED_ACCESS
 
__attribute__((always_inline)) static inline uintptr_t cpu_get_caller_pc(void)
{
    /* __builtin_return_address will return the address the calling function
     * will return to - since cpu_get_caller_pc is forced inline,
     * it is the return address of the user of this function */
    return (uintptr_t)__builtin_return_address(0);
}
#ifdef __cplusplus
}
#endif
 
#endif /* CPU_H */