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/* main header file
* Copyright (C) 2005, 2006 Red Hat Inc.
* Copyright (C) 2005, 2006 Intel Corporation.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
#ifndef _RUNTIME_H_
#define _RUNTIME_H_
/** @file runtime.h
* @brief Main include file for runtime functions.
*/
#include <linux/module.h>
#include <linux/ctype.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/init.h>
#include <linux/hash.h>
#include <linux/string.h>
#include <linux/kprobes.h>
#include <linux/proc_fs.h>
#include <linux/vmalloc.h>
#include <linux/time.h>
#include <linux/spinlock.h>
#include <linux/hardirq.h>
#include <asm/uaccess.h>
#include <linux/kallsyms.h>
#include <linux/version.h>
#include <linux/compat.h>
#ifndef for_each_cpu
#define for_each_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map)
#endif
#ifdef DEBUG
/** Prints debug line.
* This function prints a debug message immediately to staprun.
* If the last character is not a newline, then one is added.
* @param args A variable number of args in a format like printf.
* @ingroup io
*/
static void _stp_dbug (const char *func, int line, const char *fmt, ...);
#define dbug(args...) _stp_dbug(__FUNCTION__, __LINE__, args)
#define kbug(args...) {printk("%s:%d ",__FUNCTION__, __LINE__); printk(args); }
#else
#define dbug(args...) ;
#define kbug(args...) ;
#endif /* DEBUG */
/* atomic globals */
static atomic_t _stp_transport_failures = ATOMIC_INIT (0);
#ifdef STP_RELAYFS
static struct
{
atomic_t ____cacheline_aligned_in_smp seq;
} _stp_seq = { ATOMIC_INIT (0) };
#define _stp_seq_inc() (atomic_inc_return(&_stp_seq.seq))
#endif /* RELAYFS */
/* TEST_MODE is always defined by systemtap */
#ifdef TEST_MODE
#define SYSTEMTAP 1
#else
#define MAXTRYLOCK 1000
#define TRYLOCKDELAY 100
#endif
#include "alloc.c"
#include "print.c"
#include "string.c"
#include "arith.c"
#include "copy.c"
#include "sym.h"
#include "sym.c"
#ifdef STP_PERFMON
#include "perf.c"
#endif
/* Support functions for int64_t module parameters. */
int param_set_int64_t(const char *val, struct kernel_param *kp)
{
char *endp;
long long ll;
if (!val)
return -EINVAL;
/* simple_strtoll isn't exported... */
if (*val == '-')
ll = -simple_strtoull(val+1, &endp, 0);
else
ll = simple_strtoull(val, &endp, 0);
if ((endp == val) || ((int64_t)ll != ll))
return -EINVAL;
*((int64_t *)kp->arg) = ll;
return 0;
}
int param_get_int64_t(char *buffer, struct kernel_param *kp)
{
return sprintf(buffer, "%lli", (long long)*((int64_t *)kp->arg));
}
#define param_check_int64_t(name, p) __param_check(name, p, int64_t)
/************* Module Stuff ********************/
int init_module (void)
{
return _stp_transport_init();
}
int probe_start(void);
void cleanup_module(void)
{
_stp_transport_close();
}
MODULE_LICENSE("GPL");
#endif /* _RUNTIME_H_ */
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