Re: [PATCH] VAX libstdc++ common runtime - register used but not saved

Martin Husemann <[email protected]>
Newsgroups gmane.os.netbsd.devel.toolchain
Message-ID <[email protected]> 
On Fri, Jul 28, 2023 at 09:51:07AM +0200, Edgar Fuß wrote:
> > This 0x0101 seems like two NOPs copy-paste from pre-ELF code:
> Is it absolutely clear to VAX insiders what these constants mean or why 
> aren't there any #defines (or whatever that is in asm) for it?

It is a bitmask of the registers saved at function entry (so it has to be
a per function value). In the original example: bit 8 set means register %r8
will be saved.

Martin
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