Re: [TUHS] pcc in 8th edition

yes i'll mail under separate cover a scan ᐧ On Sun, Apr 25, 2021 at 11:47 AM Paul Ruizendaal &lt;pnr(a)planet.nl&gt; wrote: > By now found some more clues, in particular this link: > http://computer-programming-forum.com/47-c-language/fab825b2dce1aa59.htm > > Apparently I am talking about PCC and PCC2 in the below question. > > The first post mentions 4 papers. They can be found online, apart from the > USENIX one: > "Four Generations of Portable C Compiler" by D.M. Kristol (1986 Summer > USENIX Conference Proceedings) > > Anybody have that? > > The second post mentions official documentation: > > "In porting QCC, a useful text is the "Portable C Compiler - > Version 2 (PCC2) Internals". It includes documentation of > stin file formats, PCC2 tree forms, debugging flags, and > compiler #defines. The manual is expensive so it's worth it > most if you buy it before you figure it all out doing a > port. Since the manual is based on PCC2 (and hasn't been > updated), it's a good starting point, but doesn't have the > latest information.” > > Anybody have that? (It is not on bitsavers) > > Paul > > > On 25 Apr 2021, at 14:49, arnold(a)skeeve.com wrote: > > > > Not an answer to your questions, but you may want to take a look > > at the PCC Revived project. It lives in CVS, but I have a git mirror at > > git://github.com/arnoldrobbins/pcc-revived > > > > HTH, > > > > Arnold > > > > Paul Ruizendaal &lt;pnr(a)planet.nl&gt; wrote: > > > >> For clarity and ease of reference: > >> > >> - The “Tour of paper” is for instance here: > http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.48.3512 < > http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.48.3512> > >> > >> - A machine description for the VAX that matches with that paper is for > instance in the SysIII source: > https://www.tuhs.org/cgi-bin/utree.pl?file=SysIII/usr/src/cmd/cc/vax/pcc/ta… > < > https://www.tuhs.org/cgi-bin/utree.pl?file=SysIII/usr/src/cmd/cc/vax/pcc/ta… > > > >> > >> - The new style description in 8th edition is here: > https://www.tuhs.org/cgi-bin/utree.pl?file=V8/usr/src/cmd/ccom/vax/stin < > https://www.tuhs.org/cgi-bin/utree.pl?file=V8/usr/src/cmd/ccom/vax/stin> > >> > >> - The program that translates the “stin” file to a “table.c” file is > here: > https://www.tuhs.org/cgi-bin/utree.pl?file=V8/usr/src/cmd/ccom/common/sty.y > < > https://www.tuhs.org/cgi-bin/utree.pl?file=V8/usr/src/cmd/ccom/common/sty.y > > > >> > >> > >> ==== > >> > >> Sometimes one thing leads to another. > >> > >> Following the recent mention of some retro-brew 68K single board > systems, I decided to build a CB030 board (in progress). I figure it is a > rough proxy for a 1980 VAX and would allow for some experimentation with > the 32V / SysIII / 8th edition code. > >> > >> My first thought was to use the M68K compiler that is included with the > Blit sources (see THUS Archive for this), as I had used that before to > explore some of the Blit source. That compiler is LP32, not ILP32 - which > may be a source of trouble. Just changing the SZINT parameter yielded some > issues, so I started looking at the PCC source. > >> > >> This source does not have a “table.c” in the well known format as > described in the “A tour of the portable C compiler” paper. Instead it uses > a file “stin” which appears to be in a more compact format and is > translated into a “table.c” file by a new pre-processor ("sty.y”). Then > looking at the VAX compilers for 8th and 10th edition, these too use this > “stin” file. > >> > >> All the other m68K compilers (based on pcc) that I found appear to > derive from the V7/32V/SysIII lineage, not from the 8th edition lineage. > >> > >> A quick google did not yield much background or documentation on the > STY format. > >> > >> Anybody on this list that can shed some light on the history of the STY > table and on how to use it? Any surviving reports or memos that would be > useful? > >> > >> Many thanks in advance > >> > >> Paul > >> > >