freebsd-dev/sys/i386/linux/linux_dummy.c
Attilio Rao 54366c0bd7 - For kernel compiled only with KDTRACE_HOOKS and not any lock debugging
option, unbreak the lock tracing release semantic by embedding
  calls to LOCKSTAT_PROFILE_RELEASE_LOCK() direclty in the inlined
  version of the releasing functions for mutex, rwlock and sxlock.
  Failing to do so skips the lockstat_probe_func invokation for
  unlocking.
- As part of the LOCKSTAT support is inlined in mutex operation, for
  kernel compiled without lock debugging options, potentially every
  consumer must be compiled including opt_kdtrace.h.
  Fix this by moving KDTRACE_HOOKS into opt_global.h and remove the
  dependency by opt_kdtrace.h for all files, as now only KDTRACE_FRAMES
  is linked there and it is only used as a compile-time stub [0].

[0] immediately shows some new bug as DTRACE-derived support for debug
in sfxge is broken and it was never really tested.  As it was not
including correctly opt_kdtrace.h before it was never enabled so it
was kept broken for a while.  Fix this by using a protection stub,
leaving sfxge driver authors the responsibility for fixing it
appropriately [1].

Sponsored by:	EMC / Isilon storage division
Discussed with:	rstone
[0] Reported by:	rstone
[1] Discussed with:	philip
2013-11-25 07:38:45 +00:00

167 lines
4.1 KiB
C

/*-
* Copyright (c) 1994-1995 Søren Schmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/sdt.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <i386/linux/linux.h>
#include <i386/linux/linux_proto.h>
#include <compat/linux/linux_dtrace.h>
#include <compat/linux/linux_util.h>
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
DUMMY(stime);
DUMMY(fstat);
DUMMY(olduname);
DUMMY(syslog);
DUMMY(uname);
DUMMY(vhangup);
DUMMY(vm86old);
DUMMY(swapoff);
DUMMY(adjtimex);
DUMMY(create_module);
DUMMY(init_module);
DUMMY(delete_module);
DUMMY(get_kernel_syms);
DUMMY(quotactl);
DUMMY(bdflush);
DUMMY(sysfs);
DUMMY(vm86);
DUMMY(query_module);
DUMMY(nfsservctl);
DUMMY(rt_sigqueueinfo);
DUMMY(sendfile); /* different semantics */
DUMMY(setfsuid);
DUMMY(setfsgid);
DUMMY(pivot_root);
DUMMY(mincore);
DUMMY(lookup_dcookie);
DUMMY(epoll_create);
DUMMY(epoll_ctl);
DUMMY(epoll_wait);
DUMMY(remap_file_pages);
DUMMY(fstatfs64);
DUMMY(mbind);
DUMMY(get_mempolicy);
DUMMY(set_mempolicy);
DUMMY(kexec_load);
DUMMY(waitid);
/* linux 2.6.11: */
DUMMY(add_key);
DUMMY(request_key);
DUMMY(keyctl);
/* linux 2.6.13: */
DUMMY(ioprio_set);
DUMMY(ioprio_get);
DUMMY(inotify_init);
DUMMY(inotify_add_watch);
DUMMY(inotify_rm_watch);
/* linux 2.6.16: */
DUMMY(migrate_pages);
DUMMY(pselect6);
DUMMY(ppoll);
DUMMY(unshare);
/* linux 2.6.17: */
DUMMY(splice);
DUMMY(sync_file_range);
DUMMY(tee);
DUMMY(vmsplice);
/* linux 2.6.18: */
DUMMY(move_pages);
/* linux 2.6.19: */
DUMMY(getcpu);
DUMMY(epoll_pwait);
/* linux 2.6.22: */
DUMMY(utimensat);
DUMMY(signalfd);
DUMMY(timerfd_create);
DUMMY(eventfd);
/* linux 2.6.23: */
DUMMY(fallocate);
/* linux 2.6.25: */
DUMMY(timerfd_settime);
DUMMY(timerfd_gettime);
/* linux 2.6.27: */
DUMMY(signalfd4);
DUMMY(eventfd2);
DUMMY(epoll_create1);
DUMMY(dup3);
DUMMY(inotify_init1);
/* linux 2.6.30: */
DUMMY(preadv);
DUMMY(pwritev);
/* linux 2.6.31 */
DUMMY(rt_tsigqueueinfo);
DUMMY(perf_event_open);
/* linux 2.6.33: */
DUMMY(recvmmsg);
DUMMY(fanotify_init);
DUMMY(fanotify_mark);
/* linux 2.6.36: */
DUMMY(prlimit64);
/* later: */
DUMMY(name_to_handle_at);
DUMMY(open_by_handle_at);
DUMMY(clock_adjtime);
DUMMY(syncfs);
DUMMY(sendmmsg);
DUMMY(setns);
DUMMY(process_vm_readv);
DUMMY(process_vm_writev);
#define DUMMY_XATTR(s) \
int \
linux_ ## s ## xattr( \
struct thread *td, struct linux_ ## s ## xattr_args *arg) \
{ \
\
return (ENOATTR); \
}
DUMMY_XATTR(set);
DUMMY_XATTR(lset);
DUMMY_XATTR(fset);
DUMMY_XATTR(get);
DUMMY_XATTR(lget);
DUMMY_XATTR(fget);
DUMMY_XATTR(list);
DUMMY_XATTR(llist);
DUMMY_XATTR(flist);
DUMMY_XATTR(remove);
DUMMY_XATTR(lremove);
DUMMY_XATTR(fremove);