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Date: Wed, 10 Sep 1997 21:58:50 +0200
From: "Helmut F. Wirth" <hfwirth@ping.at>
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To: Bruce Evans <bde@zeta.org.au>
CC: emulation@freebsd.org
Subject: Re: Doscmd, debugging with gdb
References: <199709100440.OAA10269@godzilla.zeta.org.au>
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Bruce Evans wrote:
[snip]
> Try this fix.
> 
> diff -c2 vm_map.c~ vm_map.c
> *** vm_map.c~   Mon Sep  1 18:00:38 1997
> --- vm_map.c    Wed Sep 10 14:02:48 1997
> ***************
> *** 2288,2292 ****
>                 (entry->eflags & MAP_ENTRY_COW) == 0 ||
>                 (entry->wired_count != 0)) {
> !               if ((fault_type & (prot)) != fault_type)
>                         RETURN(KERN_PROTECTION_FAILURE);
>         }
> --- 2288,2293 ----
>                 (entry->eflags & MAP_ENTRY_COW) == 0 ||
>                 (entry->wired_count != 0)) {
> !               if ((fault_type & prot) !=
> !                   (fault_type & ~VM_PROT_OVERRIDE_WRITE))
>                         RETURN(KERN_PROTECTION_FAILURE);
>         }
> 
> Bruce

Hello,
I tried it and it works! Can trace into and attach to doscmd.

Thank you!
Helmut
-- 
Helmut F. Wirth
Email: hfwirth@ping.at