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Add basic support for linux32 personality(2) syscall.

This commit is contained in:
njoly 2009-01-20 12:00:58 +00:00
parent ca1ed55e40
commit b22c955a54
2 changed files with 24 additions and 4 deletions
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4
sys/compat/linux32/arch/amd64/syscalls.master
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@ -1,4 +1,4 @@
$NetBSD: syscalls.master,v 1.48 2009/01/17 22:28:53 njoly Exp $
$NetBSD: syscalls.master,v 1.49 2009/01/20 12:00:58 njoly Exp $
; NetBSD i386 COMPAT_LINUX32 system call name/number "master" file.
; (See syscalls.conf to see what it is processed into.)
@ -237,7 +237,7 @@
133 NOARGS { int|netbsd32||fchdir(int fd); }
134 UNIMPL bdflush
135 UNIMPL sysfs
136 UNIMPL personality
136 STD { int|linux32_sys||personality(int per); }
137 UNIMPL afs_syscall
138 NOARGS setfsuid16 { int|linux32_sys||setfsuid(uid_t uid); }
139 NOARGS setfsgid16 { int|linux32_sys||setfsgid(gid_t gid); }

24
sys/compat/linux32/common/linux32_misc.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux32_misc.c,v 1.15 2008/11/19 18:36:04 ad Exp $ */
/* $NetBSD: linux32_misc.c,v 1.16 2009/01/20 12:00:59 njoly Exp $ */
/*-
* Copyright (c) 1995, 1998, 1999 The NetBSD Foundation, Inc.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux32_misc.c,v 1.15 2008/11/19 18:36:04 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: linux32_misc.c,v 1.16 2009/01/20 12:00:59 njoly Exp $");
#include <sys/param.h>
#include <sys/proc.h>
@ -147,3 +147,23 @@ linux32_sys_ptrace(struct lwp *l, const struct linux32_sys_ptrace_args *uap, reg
return EIO;
}
int
linux32_sys_personality(struct lwp *l, const struct linux32_sys_personality_args *uap, register_t *retval)
{
/* {
syscallarg(int) per;
} */
switch (SCARG(uap, per)) {
case LINUX_PER_LINUX:
case LINUX_PER_LINUX32:
case LINUX_PER_QUERY:
break;
default:
return EINVAL;
}
retval[0] = LINUX_PER_LINUX;
return 0;
}