cafe874475
It's redundant at the moment since it can be obtained from the trapframe on the architectures where DTrace is supported, but this won't be the case with ARM.
175 lines
6.7 KiB
C
175 lines
6.7 KiB
C
/*-
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* Copyright (c) 2007-2008 John Birrell (jb@freebsd.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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* This file contains BSD shims for Sun's DTrace code.
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*/
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#ifndef _SYS_DTRACE_BSD_H
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#define _SYS_DTRACE_BSD_H
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/* Forward definitions: */
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struct mbuf;
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struct trapframe;
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struct thread;
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struct vattr;
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struct vnode;
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struct reg;
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int dtrace_trap(struct trapframe *, u_int);
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/*
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* The dtrace module handles traps that occur during a DTrace probe.
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* This type definition is used in the trap handler to provide a
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* hook for the dtrace module to register its handler with.
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*/
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typedef int (*dtrace_trap_func_t)(struct trapframe *, u_int);
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extern dtrace_trap_func_t dtrace_trap_func;
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/*
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* A hook which removes active FBT probes before executing the double fault
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* handler. We want to ensure that DTrace doesn't trigger another trap, which
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* would result in a reset.
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*/
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typedef void (*dtrace_doubletrap_func_t)(void);
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extern dtrace_doubletrap_func_t dtrace_doubletrap_func;
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/* Pid provider hooks */
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typedef int (*dtrace_pid_probe_ptr_t)(struct reg *);
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extern dtrace_pid_probe_ptr_t dtrace_pid_probe_ptr;
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typedef int (*dtrace_return_probe_ptr_t)(struct reg *);
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extern dtrace_return_probe_ptr_t dtrace_return_probe_ptr;
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/* Virtual time hook function type. */
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typedef void (*dtrace_vtime_switch_func_t)(struct thread *);
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extern int dtrace_vtime_active;
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extern dtrace_vtime_switch_func_t dtrace_vtime_switch_func;
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/* The fasttrap module hooks into the fork, exit and exit. */
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typedef void (*dtrace_fork_func_t)(struct proc *, struct proc *);
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typedef void (*dtrace_execexit_func_t)(struct proc *);
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/* Global variable in kern_fork.c */
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extern dtrace_fork_func_t dtrace_fasttrap_fork;
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/* Global variable in kern_exec.c */
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extern dtrace_execexit_func_t dtrace_fasttrap_exec;
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/* Global variable in kern_exit.c */
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extern dtrace_execexit_func_t dtrace_fasttrap_exit;
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/* The dtmalloc provider hooks into malloc. */
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typedef void (*dtrace_malloc_probe_func_t)(u_int32_t, uintptr_t arg0,
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uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
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extern dtrace_malloc_probe_func_t dtrace_malloc_probe;
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/* dtnfsclient NFSv[34] access cache provider hooks. */
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typedef void (*dtrace_nfsclient_accesscache_flush_probe_func_t)(uint32_t,
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struct vnode *);
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extern dtrace_nfsclient_accesscache_flush_probe_func_t
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dtrace_nfsclient_accesscache_flush_done_probe;
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extern dtrace_nfsclient_accesscache_flush_probe_func_t
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dtrace_nfscl_accesscache_flush_done_probe;
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typedef void (*dtrace_nfsclient_accesscache_get_probe_func_t)(uint32_t,
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struct vnode *, uid_t, uint32_t);
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extern dtrace_nfsclient_accesscache_get_probe_func_t
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dtrace_nfsclient_accesscache_get_hit_probe,
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dtrace_nfsclient_accesscache_get_miss_probe;
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extern dtrace_nfsclient_accesscache_get_probe_func_t
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dtrace_nfscl_accesscache_get_hit_probe,
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dtrace_nfscl_accesscache_get_miss_probe;
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typedef void (*dtrace_nfsclient_accesscache_load_probe_func_t)(uint32_t,
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struct vnode *, uid_t, uint32_t, int);
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extern dtrace_nfsclient_accesscache_load_probe_func_t
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dtrace_nfsclient_accesscache_load_done_probe;
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extern dtrace_nfsclient_accesscache_load_probe_func_t
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dtrace_nfscl_accesscache_load_done_probe;
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/* dtnfsclient NFSv[234] attribute cache provider hooks. */
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typedef void (*dtrace_nfsclient_attrcache_flush_probe_func_t)(uint32_t,
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struct vnode *);
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extern dtrace_nfsclient_attrcache_flush_probe_func_t
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dtrace_nfsclient_attrcache_flush_done_probe;
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extern dtrace_nfsclient_attrcache_flush_probe_func_t
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dtrace_nfscl_attrcache_flush_done_probe;
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typedef void (*dtrace_nfsclient_attrcache_get_hit_probe_func_t)(uint32_t,
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struct vnode *, struct vattr *);
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extern dtrace_nfsclient_attrcache_get_hit_probe_func_t
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dtrace_nfsclient_attrcache_get_hit_probe;
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extern dtrace_nfsclient_attrcache_get_hit_probe_func_t
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dtrace_nfscl_attrcache_get_hit_probe;
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typedef void (*dtrace_nfsclient_attrcache_get_miss_probe_func_t)(uint32_t,
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struct vnode *);
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extern dtrace_nfsclient_attrcache_get_miss_probe_func_t
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dtrace_nfsclient_attrcache_get_miss_probe;
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extern dtrace_nfsclient_attrcache_get_miss_probe_func_t
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dtrace_nfscl_attrcache_get_miss_probe;
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typedef void (*dtrace_nfsclient_attrcache_load_probe_func_t)(uint32_t,
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struct vnode *, struct vattr *, int);
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extern dtrace_nfsclient_attrcache_load_probe_func_t
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dtrace_nfsclient_attrcache_load_done_probe;
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extern dtrace_nfsclient_attrcache_load_probe_func_t
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dtrace_nfscl_attrcache_load_done_probe;
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/* dtnfsclient NFSv[234] RPC provider hooks. */
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typedef void (*dtrace_nfsclient_nfs23_start_probe_func_t)(uint32_t,
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struct vnode *, struct mbuf *, struct ucred *, int);
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extern dtrace_nfsclient_nfs23_start_probe_func_t
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dtrace_nfsclient_nfs23_start_probe;
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extern dtrace_nfsclient_nfs23_start_probe_func_t
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dtrace_nfscl_nfs234_start_probe;
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typedef void (*dtrace_nfsclient_nfs23_done_probe_func_t)(uint32_t,
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struct vnode *, struct mbuf *, struct ucred *, int, int);
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extern dtrace_nfsclient_nfs23_done_probe_func_t
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dtrace_nfsclient_nfs23_done_probe;
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extern dtrace_nfsclient_nfs23_done_probe_func_t
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dtrace_nfscl_nfs234_done_probe;
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/*
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* Functions which allow the dtrace module to check that the kernel
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* hooks have been compiled with sufficient space for it's private
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* structures.
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*/
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size_t kdtrace_proc_size(void);
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size_t kdtrace_thread_size(void);
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/*
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* OpenSolaris compatible time functions returning nanoseconds.
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* On OpenSolaris these return hrtime_t which we define as uint64_t.
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*/
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uint64_t dtrace_gethrtime(void);
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uint64_t dtrace_gethrestime(void);
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#endif /* _SYS_DTRACE_BSD_H */
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