On Fri, May 28, 2021 at 12:42 PM Barnes, Richard <richard.bar...@stratus.com> wrote: > > Unfortunately, our OS is only a 32-bit OS. It's ABI is only a 32-bit ABI. As > you imply, if we had a 64-bit OS, we would have more registers and more > memory and would probably avoid this problem. Also, libgcc2.c is supposed to > be built natively by the gcc-10.2.0 compiler you have just created. >
Are you aware that you can build a 32-bit OS with x86-64? You can try -mx32 with GCC on Ubuntu. You will get more registers as well as IP relative addressing. -- H.J.
