Make vadvise compat freebsd11.
The vadvise syscall (aka ovadvise) is undocumented and has always been implmented as returning EINVAL. Put the syscall under COMPAT11 and provide a userspace implementation. Reviewed by: kib Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D15557
This commit is contained in:
parent
9379029a92
commit
7351a8bdb5
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=334223
@ -46,6 +46,7 @@ NOASM+= getdirentries.o
|
|||||||
PSEUDO+= _getdirentries.o
|
PSEUDO+= _getdirentries.o
|
||||||
|
|
||||||
SRCS+= pipe.c
|
SRCS+= pipe.c
|
||||||
|
SRCS+= vadvise.c
|
||||||
|
|
||||||
INTERPOSED = \
|
INTERPOSED = \
|
||||||
accept \
|
accept \
|
||||||
|
@ -1010,8 +1010,6 @@ FBSDprivate_1.0 {
|
|||||||
__sys_utrace;
|
__sys_utrace;
|
||||||
_uuidgen;
|
_uuidgen;
|
||||||
__sys_uuidgen;
|
__sys_uuidgen;
|
||||||
_vadvise;
|
|
||||||
__sys_vadvise;
|
|
||||||
_wait4;
|
_wait4;
|
||||||
__sys_wait4;
|
__sys_wait4;
|
||||||
_wait6;
|
_wait6;
|
||||||
|
46
lib/libc/sys/vadvise.c
Normal file
46
lib/libc/sys/vadvise.c
Normal file
@ -0,0 +1,46 @@
|
|||||||
|
/*-
|
||||||
|
* SPDX-License-Identifier: BSD-2-Clause
|
||||||
|
*
|
||||||
|
* Copyright (c) 2018 SRI International
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* This software was developed by SRI International and the University of
|
||||||
|
* Cambridge Computer Laboratory (Department of Computer Science and
|
||||||
|
* Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
|
||||||
|
* DARPA SSITH research programme.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
|
||||||
|
*
|
||||||
|
* $FreeBSD$
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <sys/cdefs.h>
|
||||||
|
#include <sys/errno.h>
|
||||||
|
|
||||||
|
int vadvise(int);
|
||||||
|
|
||||||
|
int
|
||||||
|
vadvise(int arg __unused)
|
||||||
|
{
|
||||||
|
|
||||||
|
return (EINVAL);
|
||||||
|
}
|
@ -173,8 +173,7 @@
|
|||||||
70 AUE_SSTK NOPROTO { int sstk(int incr); }
|
70 AUE_SSTK NOPROTO { int sstk(int incr); }
|
||||||
71 AUE_MMAP COMPAT|NOPROTO { int mmap(void *addr, int len, \
|
71 AUE_MMAP COMPAT|NOPROTO { int mmap(void *addr, int len, \
|
||||||
int prot, int flags, int fd, int pos); }
|
int prot, int flags, int fd, int pos); }
|
||||||
72 AUE_O_VADVISE NOPROTO { int ovadvise(int anom); } vadvise \
|
72 AUE_O_VADVISE COMPAT11|NOPROTO { int vadvise(int anom); }
|
||||||
ovadvise_args int
|
|
||||||
73 AUE_MUNMAP NOPROTO { int munmap(void *addr, size_t len); }
|
73 AUE_MUNMAP NOPROTO { int munmap(void *addr, size_t len); }
|
||||||
74 AUE_MPROTECT STD { int freebsd32_mprotect(void *addr, \
|
74 AUE_MPROTECT STD { int freebsd32_mprotect(void *addr, \
|
||||||
size_t len, int prot); }
|
size_t len, int prot); }
|
||||||
|
@ -229,8 +229,7 @@
|
|||||||
70 AUE_SSTK STD { int sstk(int incr); }
|
70 AUE_SSTK STD { int sstk(int incr); }
|
||||||
71 AUE_MMAP COMPAT { int mmap(_In_ void *addr, int len, int prot, \
|
71 AUE_MMAP COMPAT { int mmap(_In_ void *addr, int len, int prot, \
|
||||||
int flags, int fd, long pos); }
|
int flags, int fd, long pos); }
|
||||||
72 AUE_O_VADVISE STD { int ovadvise(int anom); } vadvise \
|
72 AUE_O_VADVISE COMPAT11 { int vadvise(int anom); }
|
||||||
ovadvise_args int
|
|
||||||
73 AUE_MUNMAP STD { int munmap(_In_ void *addr, size_t len); }
|
73 AUE_MUNMAP STD { int munmap(_In_ void *addr, size_t len); }
|
||||||
74 AUE_MPROTECT STD { int mprotect(_In_ void *addr, \
|
74 AUE_MPROTECT STD { int mprotect(_In_ void *addr, \
|
||||||
size_t len, int prot); }
|
size_t len, int prot); }
|
||||||
|
@ -231,20 +231,11 @@ sys_obreak(struct thread *td, struct obreak_args *uap)
|
|||||||
#endif /* defined(__aarch64__) || defined(__riscv__) */
|
#endif /* defined(__aarch64__) || defined(__riscv__) */
|
||||||
}
|
}
|
||||||
|
|
||||||
#ifndef _SYS_SYSPROTO_H_
|
#ifdef COMPAT_FREEBSD11
|
||||||
struct ovadvise_args {
|
|
||||||
int anom;
|
|
||||||
};
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/*
|
|
||||||
* MPSAFE
|
|
||||||
*/
|
|
||||||
/* ARGSUSED */
|
|
||||||
int
|
int
|
||||||
sys_ovadvise(struct thread *td, struct ovadvise_args *uap)
|
freebsd11_vadvise(struct thread *td, struct freebsd11_vadvise_args *uap)
|
||||||
{
|
{
|
||||||
/* START_GIANT_OPTIONAL */
|
|
||||||
/* END_GIANT_OPTIONAL */
|
|
||||||
return (EINVAL);
|
return (EINVAL);
|
||||||
}
|
}
|
||||||
|
#endif
|
||||||
|
Loading…
Reference in New Issue
Block a user