diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S index edbc7de1e6..0a724953a4 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S @@ -27,34 +27,8 @@ ENTRY (__vfork) - /* Load the TCB-cached PID value and negates it. If It it is zero - sets it to 0x800000. And then sets its value again on TCB field. - See raise.c for the logic that relies on this value. */ - - lwz r0,PID(r2) - cmpwi cr0,r0,0 - neg r0,r0 - bne- cr0,1f - lis r0,0x8000 -1: stw r0,PID(r2) - DO_CALL (SYS_ify (vfork)) - cmpwi cr1,r3,0 - beqlr- 1 - - /* Restore the original value of the TCB cache of the PID, if we're - the parent. But in the child (syscall return value equals zero), - leave things as they are. */ - lwz r0,PID(r2) - /* Cannot use clrlwi. here, because cr0 needs to be preserved - until PSEUDO_RET. */ - clrlwi r4,r0,1 - cmpwi cr1,r4,0 - beq- cr1,1f - neg r4,r0 -1: stw r4,PID(r2) - PSEUDO_RET PSEUDO_END (__vfork) |