Mail Archives: djgpp/2020/08/30/16:00:26
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| Subject: | Re: SIGSEGV when trying to compile helloworld
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| Date: | Sun, 30 Aug 2020 21:55:47 +0200
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This is a multi-part message in MIME format.
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Ah! Resync. I didn't know that. I had heard of sync'ing problems with
DOSBox & file system and seen myself that files created from the host OS
after starting DOSBox aren't showing up.
Will try that. Lack of long file names in DOSBox is kind of a pain, though=
.
> DOSBox provides a (mostly) elegant solution to this -- just share your
> files directly. Unlike other VMs, DOSBox allows you to directly mount
> the host filesystem within the DOS VM -- so you can just edit the
> files directly using your editor of choice on Windows, then switch to
> DOSBox and build them. (You do need to watch out for long filenames,
> though.) In the odd occurrence of being out of sync, the DOSBox
> command "resync" will refresh its cached directory of the host FS.
>
> Damian
>
>
> On Sun, Aug 30, 2020 at 12:09 PM sleepy_dog AT gmx DOT de
> <mailto:sleepy_dog AT gmx DOT de> [via djgpp AT delorie DOT com
> <mailto:djgpp AT delorie DOT com>] <djgpp AT delorie DOT com
> <mailto:djgpp AT delorie DOT com>> wrote:
>
> Hi,
>
> > I thought he was running DJGPP under DOSBox and not directly
> under Windows 7.
>
> No no, I planned to make the programs run under DOSbox, but
> compiling is from within windows.
> I guess for debugging I would have to use RHIDE within DOSbox,
> esp. because Graphics modes are involved.
> But I'd prefer not to use it as an actual editor.
>
> > How about trying some other kind of virtual machine, eg. QEMU or
> VMWare?
>
> I was now thinking of running a VirtualBox WinXp32 image on my syste=
m,
> with a shared folder for the sources, and a build script I trigger
> manually.
> That would be somewhat workable, I guess.
>
> I have no experience with QEMU or VMWare, and interoperability with
> stuff that runs on the host system.
>
>
> > Hi all,
> >
> > On Sun, 30 Aug 2020 at 17:10, Eli Zaretskii (eliz AT gnu DOT org
> <mailto:eliz AT gnu DOT org>) [via
> > djgpp AT delorie DOT com <mailto:djgpp AT delorie DOT com>] <djgpp AT delorie DOT com
> <mailto:djgpp AT delorie DOT com>> wrote:
> >>> From: "sleepy_dog AT gmx DOT de <mailto:sleepy_dog AT gmx DOT de> [via
> djgpp AT delorie DOT com <mailto:djgpp AT delorie DOT com>]" <djgpp AT delorie DOT com
> <mailto:djgpp AT delorie DOT com>>
> >>> Date: Sun, 30 Aug 2020 18:32:41 +0200
> >>>
> >>> go32/v2 version 2.0 built Oct 18 2015 09:41:08
> >>> Usage: go32 coff-image [args]
> >>> Rename this to go32.exe only if you need a go32 that can run
> v2 binaries as
> >>> well as v1 binaries (old makefiles). Put ahead of the old
> go32 in
> >>> your PATH
> >>> but do not delete your old go32 - leave it in the PATH
> after this one.
> >>> Set GO32_V2_DEBUG=3Dy in the environment to get verbose output.
> >>>
> >>> DPMI memory available: 704964 Kb
> >>> DPMI swap space available: 0 Kb
> >>>
> >>> Hm. DPMI swap space 0 =3D bad?
> >> No, that's OK. Many "modern" DPMI providers just lump all the
> memory
> >> together (700MB in your case), and don't bother separating them
> into
> >> RAM and swap.
> >>
> >> The memory amount sounds enough, so I'm puzzled what could be the
> >> problem. Maybe some Windows 7 specific problem? I think someone
> >> posted here long ago tricks to get the Windows DPMI provider more
> >> friendly... Anyone?
> > I thought he was running DJGPP under DOSBox and not directly under
> > Windows 7. DOSBox is designed to be able to run old games, so not
> > even long filenames are implemented. How about trying some
> other kind
> > of virtual machine, eg. QEMU or VMWare?
> >
> > I've said it before, but NT series Windows support for DOS
> programs is
> > pathetic (and on 64-bit versions it is nonexistent). Then again,
> > Linux never directly supported DOS programs at all. In both cases=
,
> > virtual machines are the solution.
> >
> > Cheers,
> > Albert.
> >
>
>
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e">
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<body bgcolor=3D"#FFFFFF" text=3D"#000000">
<div class=3D"moz-cite-prefix"><br>
Ah! Resync. I didn't know that. I had heard of sync'ing problems
with DOSBox & file system and seen myself that files created
from the host OS after starting DOSBox aren't showing up.<br>
Will try that. Lack of long file names in DOSBox is kind of a
pain, though.<br>
<br>
</div>
<blockquote
cite=3D"mid:CAN9LaySW9UBQy1-NtpRDssG-pWN0NMPCmw_g5DPBY95HkxsuoA AT mail DOT gmail=
.com"
type=3D"cite">
<div dir=3D"ltr">
<div>DOSBox provides a (mostly) elegant solution to this -- just
share your files directly. Unlike other VMs, DOSBox allows you
to directly mount the host filesystem within the DOS VM -- so
you can just edit the files directly using your editor of
choice on Windows, then switch to DOSBox and build them. (You
do need to watch out for long filenames, though.) In the odd
occurrence of being out of sync, the DOSBox command "resync"
will refresh its cached directory of the host FS.</div>
<div><br>
</div>
<div>Damian</div>
<div><br>
</div>
</div>
<br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Sun, Aug 30, 2020 at 12:0=
9
PM <a moz-do-not-send=3D"true" href=3D"mailto:sleepy_dog AT gmx DOT de"=
>sleepy_dog AT gmx DOT de</a>
[via <a moz-do-not-send=3D"true"
href=3D"mailto:djgpp AT delorie DOT com">djgpp AT delorie DOT com</a>] <<=
a
moz-do-not-send=3D"true" href=3D"mailto:djgpp AT delorie DOT com">djg=
pp AT delorie DOT com</a>>
wrote:<br>
</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">H=
i,<br>
<br>
> I thought he was running DJGPP under DOSBox and not
directly under Windows 7.<br>
<br>
No no, I planned to make the programs run under DOSbox, but
compiling is from within windows.<br>
I guess for debugging I would have to use RHIDE within DOSbox,
esp. because Graphics modes are involved.<br>
But I'd prefer not to use it as an actual editor.<br>
<br>
> How about trying some other kind of virtual machine, eg.
QEMU or VMWare?<br>
<br>
I was now thinking of running a VirtualBox WinXp32 image on my
system,<br>
with a shared folder for the sources, and a build script I
trigger manually.<br>
That would be somewhat workable, I guess.<br>
<br>
I have no experience with QEMU or VMWare, and interoperability
with<br>
stuff that runs on the host system.<br>
<br>
<br>
> Hi all,<br>
><br>
> On Sun, 30 Aug 2020 at 17:10, Eli Zaretskii (<a
moz-do-not-send=3D"true" href=3D"mailto:eliz AT gnu DOT org"
target=3D"_blank">eliz AT gnu DOT org</a>) [via<br>
> <a moz-do-not-send=3D"true"
href=3D"mailto:djgpp AT delorie DOT com" target=3D"_blank">djgpp AT delo=
rie.com</a>]
<<a moz-do-not-send=3D"true" href=3D"mailto:djgpp AT delorie DOT com=
"
target=3D"_blank">djgpp AT delorie DOT com</a>> wrote:<br>
>>> From: "<a moz-do-not-send=3D"true"
href=3D"mailto:sleepy_dog AT gmx DOT de" target=3D"_blank">sleepy_dog=
@gmx.de</a>
[via <a moz-do-not-send=3D"true"
href=3D"mailto:djgpp AT delorie DOT com" target=3D"_blank">djgpp AT delo=
rie.com</a>]"
<<a moz-do-not-send=3D"true" href=3D"mailto:djgpp AT delorie DOT com=
"
target=3D"_blank">djgpp AT delorie DOT com</a>><br>
>>> Date: Sun, 30 Aug 2020 18:32:41 +0200<br>
>>><br>
>>> go32/v2 version 2.0 built Oct 18 2015 09:41:08<br>
>>> Usage: go32 coff-image [args]<br>
>>> Rename this to go32.exe only if you need a go32
that can run v2 binaries as<br>
>>>=C2=A0 =C2=A0 well as v1 binaries (old makefiles).=
=C2=A0 Put
ahead of the old go32 in<br>
>>> your PATH<br>
>>>=C2=A0 =C2=A0 but do not delete your old go32 - leav=
e it in
the PATH after this one.<br>
>>> Set GO32_V2_DEBUG=3Dy in the environment to get
verbose output.<br>
>>><br>
>>> DPMI memory available: 704964 Kb<br>
>>> DPMI swap space available: 0 Kb<br>
>>><br>
>>> Hm. DPMI swap space 0 =3D bad?<br>
>> No, that's OK.=C2=A0 Many "modern" DPMI providers just
lump all the memory<br>
>> together (700MB in your case), and don't bother
separating them into<br>
>> RAM and swap.<br>
>><br>
>> The memory amount sounds enough, so I'm puzzled what
could be the<br>
>> problem.=C2=A0 Maybe some Windows 7 specific problem?=
=C2=A0 I
think someone<br>
>> posted here long ago tricks to get the Windows DPMI
provider more<br>
>> friendly...=C2=A0 Anyone?<br>
> I thought he was running DJGPP under DOSBox and not
directly under<br>
> Windows 7.=C2=A0 DOSBox is designed to be able to run old
games, so not<br>
> even long filenames are implemented.=C2=A0 How about trying
some other kind<br>
> of virtual machine, eg. QEMU or VMWare?<br>
><br>
> I've said it before, but NT series Windows support for
DOS programs is<br>
> pathetic (and on 64-bit versions it is nonexistent).=C2=A0
Then again,<br>
> Linux never directly supported DOS programs at all.=C2=A0 I=
n
both cases,<br>
> virtual machines are the solution.<br>
><br>
> Cheers,<br>
> Albert.<br>
><br>
<br>
<br>
</blockquote>
</div>
</blockquote>
<p><br>
</p>
</body>
</html>
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