libgcc and libgcc1

[Tomaz Stih]

 > libgcc1 is for routines that the compiler can not open code itself
> and which are not also open coded in libgcc2.
> Typical examples of routines in libgcc1 are 32bit integer divide, modulo
> and multiply.
> libgcc1 can not be compiled by gcc because the routines would just
> compile into calls to themselves.

I thought that was inside libgcc? So what is inside libgcc?

Lp,
tomaz