On Sep 18 2024, Ole Streicher wrote: > As IRAF is a 40-year old package, there was already some assembler that > was used ~35 years ago [2]: > > .text > .globl _zsvjmp_ > > JMPBUF = 4 > STATUS = 8 > > _zsvjmp_: |# CALL ZSVJMP (JMPBUF, STATUS) > movl sp@(JMPBUF),a0 |# set A0 to point to jmp_buf > movl sp@(STATUS),a1 |# A1 = status variable > movl a1,a0@ |# JB[0] = addr of status variable > clrl a1@ |# return zero status > addql #4,sp@(JMPBUF) |# skip first cell of jmp_buf > jmp _setjmp |# let setjmp do the rest. > > However, just including this does not work because assembler syntax > changed [3].
Registers need to be prefixed with %, and assembler labels for C symbols do not have a _ prefix. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
