multi calling convention libraries

31 Oct 1999 01:22:06 -0400

          From comp.compilers

Related articles
multi calling convention libraries Wolfgang.Hospital@Materna.DE (1999-10-31)
Re: multi calling convention libraries (Alan Donovan) (1999-11-02)
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From: Wolfgang.Hospital@Materna.DE
Newsgroups: comp.compilers
Date: 31 Oct 1999 01:22:06 -0400
Organization: Compilers Central
Keywords: linker, architecture, question

  I have been toying around with the idea of including entry points
(symbols and code) for several calling conventions in one library
(Motivation below). If the name decoration conventions prevent name
collisions, it should not be too difficult to compile the sources
involved once for each calling convention, putting it all into a
single library. An obvious drawback is the increased space required

Are there any developments to support such contortions?
Regarding GCC: how big would you guesstimate the effort
1) to automate the generation of
      "multiple calling convention object files"
2) to reduce the overhead in code size (and, less important, in
        compile time) to, say, less than half of a brute force approach?
(a: for a person who knows the reunited gcc/++ inside out
  b: additional time required to get from: "read about Machine
          Descriptions, Target Description Macros, and Stack Layout
          and Calling Conventions, but never really dug into it"
        to reasonable results)

-- =
Wolfgang Hospital
Dr. Materna GmbH, Dortmund
Federal Republic of Germany

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