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mprotect() and access()

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This commit is contained in:
cgd 1999-04-29 02:08:58 +00:00
parent cc4f9f6afb
commit f4507cddca
1 changed files with 60 additions and 1 deletions
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61
sys/compat/osf1/osf1_misc.c
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@ -1,4 +1,4 @@
/* $NetBSD: osf1_misc.c,v 1.32 1999/04/28 06:01:51 cgd Exp $ */
/* $NetBSD: osf1_misc.c,v 1.33 1999/04/29 02:08:58 cgd Exp $ */
/*
* Copyright (c) 1999 Christopher G. Demetriou. All rights reserved.
@ -75,6 +75,8 @@
#include <sys/exec.h>
#include <sys/vnode.h>
#include <sys/socketvar.h>
#include <sys/resource.h>
#include <sys/resourcevar.h>
#include <vm/vm.h> /* XXX UVM headers are Cool */
#include <uvm/uvm.h> /* XXX see mmap emulation */
@ -376,6 +378,28 @@ done:
return sys_mmap(p, &a, retval);
}
int
osf1_sys_mprotect(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_mprotect_args *uap = v;
struct sys_mprotect_args a;
unsigned long leftovers;
SCARG(&a, addr) = SCARG(uap, addr);
SCARG(&a, len) = SCARG(uap, len);
/* translate prot */
SCARG(&a, prot) = emul_flags_translate(osf1_mmap_prot_xtab,
SCARG(uap, prot), &leftovers);
if (leftovers != 0)
return (EINVAL);
return sys_mprotect(p, &a, retval);
}
int
osf1_sys_usleep_thread(p, v, retval)
struct proc *p;
@ -1405,3 +1429,38 @@ osf1_sys_settimeofday(p, v, retval)
return (error);
}
const struct emul_flags_xtab osf1_access_flags_xtab[] = {
#if 0 /* pseudo-flag */
{ OSF1_F_OK, OSF1_F_OK, F_OK },
#endif
{ OSF1_X_OK, OSF1_X_OK, X_OK },
{ OSF1_W_OK, OSF1_W_OK, W_OK },
{ OSF1_R_OK, OSF1_R_OK, R_OK },
{ 0 }
};
int
osf1_sys_access(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_access_args *uap = v;
struct sys_access_args a;
unsigned long leftovers;
caddr_t sg;
sg = stackgap_init(p->p_emul);
OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&a, path) = SCARG(uap, path);
/* translate opt */
SCARG(&a, flags) = emul_flags_translate(osf1_access_flags_xtab,
SCARG(uap, flags), &leftovers);
if (leftovers != 0)
return (EINVAL);
return sys_access(p, &a, retval);
}