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- /*
- Copyright 2002, 2015 Yoshinori Sato <ysato@users.sourceforge.jp>
- */
- #include <sys/syscall.h>
- #ifdef __H8300S__
- .h8300s
- #else
- .h8300h
- #endif
- .text
- .align 2
- .globl __vfork
- .hidden __vfork
- .type __vfork,@function
- __vfork:
- mov.l @sp+,er2 /* er2 = return address */
- mov.l #vfork_args,er1
- sub.l er0,er0
- mov.b #__NR_clone,r0l
- trapa #0
- mov.l #-4096,er1
- cmp.l er0,er1
- bcc done
- neg.l er0
- # if !defined(__PIC__)
- mov.l er0,@errno
- # else
- mov.l @(errno@GOTOFF,er5),er1
- mov.l er0,@er1
- # endif
- sub.l er0,er0
- dec.l #1,er0
- done:
- jmp @er2
- vfork_args:
- .long 0x00004111 /* CLONE_VFORK | CLONE_VM | SIGCHLD */
- .long 0
- .long 0
- .long 0
- .long 0
- weak_alias(__vfork,vfork)
- libc_hidden_def(vfork)
- .end
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