This is the mail archive of the
gcc-help@gcc.gnu.org
mailing list for the GCC project.
Re: Could my understanding of 'crti.o' in a ARM cross compile be verified?
Jamie Risk <jamie@subject2risk.com> writes:
> But the presence of the `crti.asm` source file
> (`gcc-4.5.0/gcc/config/arm/crti.asm`) is misleading me. Why is
> it there? Is it for bare metal targets (sans glibc & Linux)?
Right: it's only for the arm-elf target.
> And it may not be fair to ask here, but why do cross compiling
> hints/hacks for the ARM often cite making changes to
> `gcc-4.5.0/gcc/config/arm/t-linux` so that `crti.asm` file in the same
> directory *does* get built and linked?
I don't know. I would not expect the simple crti.asm shipped with gcc
to suffice for glibc, but perhaps it does.
> I guess I'm seeking an answer to the paradox: which comes first,
> glibc or gcc? I'm assuming that gcc does, but in a static form
> that allows it to compile glibc, then use that to do a 'proper' gcc
> build.
Yes, precisely.
Ian