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Support chroot-ing to a 32-bit installation.

This commit is contained in:
eeh 2002-05-31 00:49:42 +00:00
parent df22d8a0f5
commit cfa7e7d168
1 changed files with 30 additions and 7 deletions
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37
sys/compat/netbsd32/netbsd32_exec_elf32.c
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@ -1,4 +1,4 @@
/* $NetBSD: netbsd32_exec_elf32.c,v 1.8 2001/11/13 02:09:05 lukem Exp $ */
/* $NetBSD: netbsd32_exec_elf32.c,v 1.9 2002/05/31 00:49:42 eeh Exp $ */
/* from: NetBSD: exec_aout.c,v 1.15 1996/09/26 23:34:46 cgd Exp */
/*
@ -33,7 +33,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netbsd32_exec_elf32.c,v 1.8 2001/11/13 02:09:05 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: netbsd32_exec_elf32.c,v 1.9 2002/05/31 00:49:42 eeh Exp $");
#define ELFSIZE 32
@ -69,17 +69,40 @@ ELFNAME2(netbsd32,probe)(p, epp, eh, itp, pos)
vaddr_t *pos;
{
int error;
size_t i;
const char *bp;
if ((error = ELFNAME2(netbsd,signature)(p, epp, eh)) != 0)
return error;
return ELFNAME2(netbsd32,probe_noteless)(p, epp, eh, itp, pos);
}
int
ELFNAME2(netbsd32,probe_noteless)(p, epp, eh, itp, pos)
struct proc *p;
struct exec_package *epp;
void *eh;
char *itp;
vaddr_t *pos;
{
int error;
size_t i;
const char *bp;
if (itp[0]) {
/* Translate interpreter name if needed */
if ((error = emul_find(p, NULL, epp->ep_esch->es_emul->e_path,
itp, &bp, 0)) &&
(error = emul_find(p, NULL, "", itp, &bp, 0)))
return error;
itp, &bp, 0)) != 0) {
/*
* See if we're chroot-ed. Since it's the same OS,
* there really shouldn't be any device node issues
* so we might as well support chroot-ing to a 32-bit
* installation.
*/
if ((error = emul_find(p, NULL, "/", itp, &bp, 0))
!= 0) {
return error;
}
}
if ((error = copystr(bp, itp, MAXPATHLEN, &i)) != 0)
return error;
free((void *)bp, M_TEMP);