On Mon, Nov 4, 2013 at 3:59 AM, David Kaplan <davkaplan@xxxxxxxxx> wrote: > > I've just build a cross-compiler with the i586-elf target which I need > for my project. > I was wondering: is there a way to build a custom ABI such that the > EBX (or any other register) is never used by GCC? > If so, how do I go about doing it? If the only change you want to make is to have GCC never use %ebx, then compile with -ffixed-ebx. Ian
