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/* Rewritten and vastly simplified by Rusty Russell for in-kernel
 * module loader:
 *   Copyright 2002 Rusty Russell <rusty@rustcorp.com.au> IBM Corporation
 */
#ifndef _LINUX_KALLSYMS_H
#define _LINUX_KALLSYMS_H

#include <linux/config.h>

#ifdef CONFIG_KALLSYMS
/* Lookup an address.  modname is set to NULL if it's in the kernel. */
const char *kallsyms_lookup(unsigned long addr,
                            unsigned long *symbolsize,
                            unsigned long *offset,
                            char **modname, char *namebuf);

/* Replace "%s" in format with address, if found */
extern void __print_symbol(const char *fmt, unsigned long address);

#else /* !CONFIG_KALLSYMS */

static inline const char *kallsyms_lookup(unsigned long addr,
                                          unsigned long *symbolsize,
                                          unsigned long *offset,
                                          char **modname, char *namebuf)
{
        return NULL;
}

/* Stupid that this does nothing, but I didn't create this mess. */
#define __print_symbol(fmt, addr)
#endif /*CONFIG_KALLSYMS*/

/* This macro allows us to keep printk typechecking */
static void __check_printsym_format(const char *fmt, ...)
__attribute__((format(printf,1,2)));
static inline void __check_printsym_format(const char *fmt, ...)
{
}

#define print_symbol(fmt, addr)                 \
do {                                            \
        __check_printsym_format(fmt, "");       \
        __print_symbol(fmt, addr);              \
} while(0)

#endif /*_LINUX_KALLSYMS_H*/