Re: gcc, crt0, and linker scripts...

["Russ.Shaw" <russell at webaxs dot net>]

I've worked it all out now :)


"Russ.Shaw" wrote:
> 
> Hi all,
> 
> I'm using gcc-2.95.5 configured as a cross-compiler for the
> hitachi H8/300H cpu core. I'm using mandrake-7.0.
> 
> I want to use h8300-hms-gcc to generate code for my own system.
> 
> However, what does gcc use for a linker script? I need to tell
> gcc about my eprom memory map etc.
> 
> I could get gcc to use my own script using -Wl,T<myscript>, but
> i'll still get linker errors because the output section names
> need to be compatible with the supplied crt0 start-up file.
> 
> I can't use my own startup file, because the standard C libraries
> refer to symbols such as _end in crt0.o.
> 
> So what is the 'normal' procedure for configuring a cross-gcc to
> custom hardware? Also, in my install, i have these linker scripts:
> 
> /usr/local/h8300-hms/lib/ldscripts/h8300h.x
>                                    h8300h.xbn
>                                    h8300h.xn
>                                    h8300h.xr
>                                    h8300h.xu
> 
> I don't know if gcc knows about these or not.
> 
-- 
*******************************************
*   Russell Shaw, B.Eng, M.Eng(Research)  *
*      email: russell@webaxs.net          *
*      Australia                          *
*******************************************

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