Re: Help needed: Porting IRAF to s390
Hello Ole,
On Mon, 05 May 2014 10:52:16 +0200
Ole Streicher <debian-devel@liska.ath.cx> wrote:
[snip]
> Since I have no experience with s390 machines and no glue at all for
> their assembler and the (C) calling conventions: could someone help me here?
The s390(x) calling convention is that function parameters are passed in registers
R2-R6. Register 2 is used for the return code.
See "Function calling sequence" in the s390x (64 bit) ABI:
ftp://legacy.redhat.com/pub/redhat/linux/7.1/es/os/s390x/doc/lzsabi0.pdf
Here is the s390 (31 bit) ABI:
http://archive.download.redhat.com/pub/redhat/linux/7.2/de/os/s390/doc/l390abi0.pdf
Best Regards,
Michael
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