[CRIU] [PATCH] x86: syscalls -- Rework building procedure

[Cyrill Gorcunov]

On Fri, Apr 10, 2015 at 01:39:31PM +0300, Pavel Emelyanov wrote:
> On 04/09/2015 11:45 AM, Cyrill Gorcunov wrote:
> >  - Get rid of shell script, we can do everything via make itself in parallel mode
> 
> What's the benefit of in-Make code vs shell script?

- no need to carry additional file
- the built can be done in paralles, in shell script we read the file one by one

> 
> >  - Collect syscall related data into syscalls subdirectory (we gonna implement
> >    32 bit mode soon)
> 
> What else is going to be in this directory?

 - syscall table for 32 bits
 - syscall wrappers for 32 bits

> 
> >  - We can't drop off __NR_ constants because we're using them in parasite code
> >    (when we inject dumper and for "criu exec" mode)
> 
> OK
> 
> 
> > -$(obj)/$(SYS-EXEC-TBL): $(obj)/$(SYS-GEN) $(obj)/$(SYS-DEF)
> > +	$(Q) echo "/* Autogenerated, don't edit */"										>  $@
> > +	$(Q) echo "#ifndef __ASM_CR_SYSCALL_CODES_H__"										>> $@
> > +	$(Q) echo "#define __ASM_CR_SYSCALL_CODES_H__"										>> $@
> > +	$(Q) cat $< | egrep -v '^#' | sed -e 's/\t\{1,\}/|/g' | awk -F '|' '{print "#define " $$1 " " $$2 }'			>> $@
> > +	$(Q) echo "#endif /* __ASM_CR_SYSCALL_CODES_H__ */"									>> $@
> 
> Can we fix these long lines? They don't fit even in my wide screen ;)

Sure. Actually, drop this one, I'll resend it later.