[Simh] {Spam?} transferring files to and from v6 unix running in pdp11 emulator

[Clem cole]

Ah yes. -i   That's the ticket. Refresh the brain cache.  

Glad you figured it out. As I said if you run a cmp between that binary and one of the ones available in the wild I think you will find them to be the same.  

Clem

Sent from my iPhone

> On Dec 10, 2015, at 1:10 AM, Will Senn <will.senn at gmail.com> wrote:
> 
> 
> 
>> On 12/9/15 10:01 PM, Clem cole wrote:
>> It should not be a 411 code. It should be a standard 407.  11/34 and 11/60s are so called 40 class systems. I used v6tar with them just fine.
>> 
>> Sent from my iPhone
>> 
>>> On Dec 9, 2015, at 10:40 PM, Will Senn <will.senn at gmail.com> wrote:
>>> 
>>> use its v6tar on v6. It appears to require split I+D,
> Clem,
> 
> Thanks for persisting. I figured it out - on Keith Bostic's v7, using the default makefile for v6tar:
> make v6tar
> cc -O -c tar.c
> cc -c -O /usr/src/libc/v6/access.c
> cc -c -O /usr/src/libc/v6/chown.c
> cc -c -O /usr/src/libc/v6/execl.c
> cc -c -O /usr/src/libc/v6/ftime.c
> cc -c -O /usr/src/libc/v6/gtty.c
> cc -c -O /usr/src/libc/v6/lseek.c
> cc -c -O /usr/src/libc/v6/stat.c
> cc -c -O /usr/src/libc/v6/syscall.s
> cc -c -O /usr/src/libc/v6/time.s
> cc -i -s -O *.o -o v6tar
> # dd if=v6tar bs=128 count=1|od
> 0000000 000411 037100 004224 027466 000000 000000 000000 000001
> ...
> man cc says -i and -s are passed through to linker, so man ld says -i creates separate I+D and -s strips symbol table. I compiled the binary without these (I thought I would keep the symbol table as an excercise) using:
> cc -O *.o -o v6tar
> 
> The resulting binary is 407, yay!:
> dd if=v6tar bs=128 count=1|od
> 0000000 000407 037040 004224 027466 020744 000000 000000 000001
> ...
> 
> I copied it over to v6, lo and behold, it works on a PDP11/40 without separate I+D!
> 
> Thanks,
> 
> Will
>