Re: need help on GCC driver

[Basile STARYNKEVITCH <basile@starynkevitch.net>]

Vikram KS wrote:
> Hi,
> 
> I have some question on gcc driver.

You really should give more context. Are you doing cross-compilation? 
Are you patching the GCC sources? Why do you want to generate a *.sl 
file? What are your host & target systems?
> 
> Whenever we invoke gcc, it'll pass some default options to the
> compiler, assembler linker etc. But if i dont want to pass all these
> default options but only some of them, what should i do?
> 
> For eg: gcc will pass the following option to cc1
> 
> /usr/libexec/gcc/i386-redhat-linux/4.1.1/cc1 -quiet -v test.c -quiet
> -dumpbase test.c -mtune=generic -auxbase test -version -o
> /tmp/ccM89Tz7.s

Why are you talking of gcc-4.1.1? It is quite old now! If you want to 
patch or hack inside GCC, I strongly suggest working on the trunk 
(future gcc-4.5) or on your branch, or at least the latest GCC release 
(ie 4.4.1).

> 
> and to "as"
> 
>  as -V -Qy -o /tmp/ccP6YP4n.o /tmp/ccM89Tz7.s
> 
> Now i dont want to generate "-o /tmp/ccM89Tz7.s" instead i want to
> generate "/tmp/ccM89Tz7.sl" and this generated ".sl" should be picked
> by my assembler and it should generate the o/p with ".ol" extension.
I suppose it is a typo, and should read with ".sl" extension.

> 
> as -V -Qy -o /tmp/ccP6YP4n.ol /tmp/ccM89Tz7.sl
> 
> Also if i give "-S" switch, it should generate the the output with the
> ".sl" extension instead of  ".s".
> 
> Is this possible to do it in "gcc/config/<target>.h" or do i need to
> write a separate spec file.

I don't understand if you have your own target or not. I would suggest 
using a spec file (it is probably the easiest way to do). But I am not 
very expert on the gcc.c driver!

I really suggest you if possible to avoid hacking gcc 4.1.x and work on 
something more recent (otherwise you'll get few help from here...).

Regards.


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