Brian Ipsen <brian.ipsen@xxxxxxxxxxxxxx> writes: > /tmp/ccrc3fSw.s: Assembler messages: > /tmp/ccrc3fSw.s:37: Error: suffix or operands invalid for `push' > /tmp/ccrc3fSw.s:50: Error: suffix or operands invalid for `call' > /tmp/ccrc3fSw.s:76: Error: suffix or operands invalid for `push' > /tmp/ccrc3fSw.s:82: Error: suffix or operands invalid for `pop' > /tmp/ccrc3fSw.s:101: Error: suffix or operands invalid for `call' > /tmp/ccrc3fSw.s:104: Error: suffix or operands invalid for `pop' You are using a compiler generating 32-bit code with an assembler that defaults to expecting 64-bit code. You need to use an assembler which defaults to 32-bit mode, or tell your compiler to pass -32 to the assembler. Ian