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only create a vmcmd for the BSS if there is any BSS. fixes PR 17834.

This commit is contained in:
chs 2002-08-29 06:31:21 +00:00
parent d510857ed4
commit 2f11784ca7
1 changed files with 6 additions and 5 deletions
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11
sys/kern/exec_aout.c
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@ -1,4 +1,4 @@
/* $NetBSD: exec_aout.c,v 1.22 2001/11/12 15:25:01 lukem Exp $ */
/* $NetBSD: exec_aout.c,v 1.23 2002/08/29 06:31:21 chs Exp $ */
/*
* Copyright (c) 1993, 1994 Christopher G. Demetriou
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: exec_aout.c,v 1.22 2001/11/12 15:25:01 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: exec_aout.c,v 1.23 2002/08/29 06:31:21 chs Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -138,9 +138,10 @@ exec_aout_prep_zmagic(struct proc *p, struct exec_package *epp)
VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE);
/* set up command for bss segment */
NEW_VMCMD(&epp->ep_vmcmds, vmcmd_map_zero, execp->a_bss,
epp->ep_daddr + execp->a_data, NULLVP, 0,
VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE);
if (execp->a_bss > 0)
NEW_VMCMD(&epp->ep_vmcmds, vmcmd_map_zero, execp->a_bss,
epp->ep_daddr + execp->a_data, NULLVP, 0,
VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE);
return exec_aout_setup_stack(p, epp);
}