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- ; setjmp.s - from the mintlib
-
- .text
- .even
- .globl _setjmp
- _setjmp:
- move.l 4(sp),a0 ; address of jmp_buf[]
- move.l (sp),(a0) ; save return address
- movem.l d2-d7/a2-a7,4(a0) ; save registers d2-d7/a2-a7
- clr.l d0 ; return value is 0
- rts
-
- .globl _longjmp
- .globl ___mint
-
- _longjmp:
- tst.w ___mint ; see if MiNT is active
- beq NOMINT ; no -- do not call sigreturn
- move.w #$11a,-(sp) ; Psigreturn() system call
- trap #1 ; (ignored if not in a sig handler)
- addq.w #2,sp
- NOMINT:
- move.l 4(sp),a0 ; address of jmp_buf[]
- move.w 8(sp),d0 ; value to return
- bne L1 ; may not be 0
- move.l #1,d0
- L1:
- movem.l 4(a0),d2-d7/a2-a7 ; restore saved reggies
- move.l (a0),(sp) ; and the saved return address
- rts
-