On Mon, May 12, 2003 at 11:50:28PM +0900, GOTO Masanori wrote: > At Mon, 12 May 2003 13:28:47 +0200, > Guido Guenther wrote: > > On Mon, May 12, 2003 at 07:51:04PM +0900, GOTO Masanori wrote: > > > BTW, is mips64 biarch issue similar to sparc64/amd64/s390x? If so, > > > Arnd and Gerhard works (that merges *-64 archs into one lib64c > > > package) can be applied to mips64? > > It's a bit more complicated. We have actually three ABIs o32 (which is > > what we're currently using), n64 and n32. I didn't get around to play > > with these things yet though. > > Could you tell me what the different is in o32/n32/n64, or teach the > pointer? I sometimes see such names, but I don't know why three ABIs > are used.
o32 supports 32-bit-only processors; n32 is essentially a 32-bit ABI, but supports and requires 64-bit instructions, has more effecient calling sequences, and uses the FPU better; n64 is a standard 64-bit ABI. -- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer
