Fix __dtoul to work on sparc64 (it used a half-way v8 stack layout), and make it PIC-aware.
Fix __dtoul to work on sparc64 (it used a half-way v8 stack layout),
and make it PIC-aware.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase