To be fair, while the PL/X source is retained in comments to the assembler, those macros are generated in way that allows them to be used in both assemblies and PL/X compiles.
Wayne Driscoll Rocket Software Note - All opinions are strictly my own. -----Original Message----- From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of Seymour J Metz Sent: Sunday, February 16, 2020 2:05 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Convert a Metal C control block mapping to Assembler DSECT ? EXTERNAL EMAIL Some control block macros are generated from PL/X and contain the source as comments. -- Shmuel (Seymour J.) Metz https://nam01.safelinks.protection.outlook.com/?url=http:%2F%2Fmason.gmu.edu%2F~smetz3&data=02%7C01%7C%7C6c5bfbadd0764e1e33c308d7b31b8bca%7C79544c1eed224879a082b67a9a672aae%7C0%7C0%7C637174803196789791&sdata=lySiNf4f1zj%2FYMUZUyMyayTK8Ivs%2B2JK9t%2B0xMyzzqs%3D&reserved=0 ________________________________________ From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Paul Gilmartin <0000000433f07816-dmarc-requ...@listserv.ua.edu> Sent: Friday, February 14, 2020 2:30 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Convert a Metal C control block mapping to Assembler DSECT ? On Fri, 14 Feb 2020 10:52:07 -0800, Charles Mills wrote: >I would assume that Gord is using the EDCDSECT program which is legally part >of the XLC compiler. It assembles the DSECT -- can be either by itself or part >of some larger assembly -- and massages SYSADATA to produce a C-legal struct. > >... Its worst flaw IMHO is to make FOO DS FL8 and similar into char foo[8] . > That deserves an APAR. FL8 is not CL8. >Our local hero Peter Relson developed an internal tool that does a much >better job, and z/OS is now shipping C struct header files for many, >many MVS control blocks. (The tool is not suitable for release because >it uses PL/X input, which is much better because it is closer to C than >HLASM is. PL/X is more strongly typed than HLASM.) > Aren't some z/OS control blocks distributed bilingual, HLASM and PL/X? >Agree with Lionel's recommendation. Even if the usage is going to be 90% C and >10% HLASM you want to do the DSECT first and work from there. > >This has been discussed here previously, including someone who posted >regex that will automate the conversion of char foo[8] to long long >foo; > But what if the original was FOO DS CL8, a common cliche in z/OS? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ================================ Rocket Software, Inc. and subsidiaries ■ 77 Fourth Avenue, Waltham MA 02451 ■ Main Office Toll Free Number: +1 855.577.4323 Contact Customer Support: https://my.rocketsoftware.com/RocketCommunity/RCEmailSupport Unsubscribe from Marketing Messages/Manage Your Subscription Preferences - http://www.rocketsoftware.com/manage-your-email-preferences Privacy Policy - http://www.rocketsoftware.com/company/legal/privacy-policy ================================ This communication and any attachments may contain confidential information of Rocket Software, Inc. All unauthorized use, disclosure or distribution is prohibited. If you are not the intended recipient, please notify Rocket Software immediately and destroy all copies of this communication. Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
