| # | |
| # usr/klibc/arch/m68k/vfork.S | |
| # | |
| # vfork is nasty - there must be nothing at all on the stack above | |
| # the stack frame of the enclosing function. | |
| # | |
| #include <asm/unistd.h> | |
| .text | |
| .align 2 | |
| .globl vfork | |
| .type vfork, @function | |
| vfork: | |
| move.l (%sp)+, %d1 /* Return address */ | |
| move.l # __NR_vfork, %d0 | |
| trap #0 | |
| move.l %d1, -(%sp) | |
| cmpi.l #-4095, %d0 | |
| blt.l 1f | |
| neg.l %d0 | |
| move.l %d0, (errno) | |
| moveq #-1, %d0 | |
| 1: | |
| movea.l %d0, %a0 | |
| rts | |
| .size vfork, .-vfork |