Re: [PATCH v3 0/6] mips: system call table generation support

[Joseph Myers]

On Thu, 6 Dec 2018, Maciej W. Rozycki wrote:

> On Thu, 6 Dec 2018, Joseph Myers wrote:
> 
> > >  I believe this file is used by the glibc build process to retrieve 
> > > syscall numbers for glibc's own use as well for <sys/syscall.h>.  Has the 
> > > change been verified not to break this process?
> > > 
> > >  Cc-ing <libc-alpha@xxxxxxxxxxxxxx> for information and possible further 
> > > input.
> > 
> > I'm not sure what "this file" is.  The glibc build uses the installed 
> > <asm/unistd.h> (the results of #including it, not any other kind of 
> > processing the file).
> 
>  So how are `SYS_<name>' macros generated that land in <bits/syscall.h>?

By gen-syscall-h.awk, which generates #ifdef conditionals for each 
possible __NR_* name (as listed in syscall-names.list in glibc).

-- 
Joseph S. Myers
joseph@xxxxxxxxxxxxxxxx