Daniel Jacobowitz <dan@debian.org> writes: > On Tue, Sep 23, 2003 at 11:01:11AM -0700, Eric Christopher wrote: >> >> I'm still trying to figure out why you are going through such weird >> contortions at all. I understand not having an elf64 loader. That's what >> the objcopy comment was for, everything else I don't understand. Why not >> compile for the abi you want? > > Compare the optimal way to load an address into a register when you > have a full 64-bit address space and when you know that addresses are > sign extended. I'm told it saves over 100K of code. Maybe what you really want is an -mdata-model=kernel switch (or some such spelling) that tells gcc to do the right thing in the first place? zw
