diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S | 9 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S | 26 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S | 9 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S | 23 |
4 files changed, 0 insertions, 67 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S index bebadbfbb9..49fe01ecde 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S @@ -76,15 +76,6 @@ ENTRY (__clone) crandc cr1*4+eq,cr1*4+eq,cr0*4+so bne- cr1,L(parent) /* The '-' is to minimise the race. */ - /* If CLONE_VM is set do not update the pid/tid field. */ - andi. r0,r28,CLONE_VM - bne+ cr0,L(oldpid) - - DO_CALL(SYS_ify(getpid)) - stw r3,TID(r2) - stw r3,PID(r2) -L(oldpid): - /* Call procedure. */ mtctr r30 mr r3,r31 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) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S index df824f5a69..2a66fef520 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S @@ -78,15 +78,6 @@ ENTRY (__clone) crandc cr1*4+eq,cr1*4+eq,cr0*4+so bne- cr1,L(parent) /* The '-' is to minimise the race. */ - /* If CLONE_VM is set do not update the pid/tid field. */ - rldicl. r0,r29,56,63 /* flags & CLONE_VM. */ - bne+ cr0,L(oldpid) - - DO_CALL(SYS_ify(getpid)) - stw r3,TID(r13) - stw r3,PID(r13) -L(oldpid): - std r2,FRAME_TOC_SAVE(r1) /* Call procedure. */ PPC64_LOAD_FUNCPTR r30 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S index 3083ab7b3c..6b4cf432c1 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S @@ -28,31 +28,8 @@ ENTRY (__vfork) CALL_MCOUNT 0 - /* 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(r13) - cmpwi cr0,r0,0 - neg r0,r0 - bne- cr0,1f - lis r0,0x8000 -1: stw r0,PID(r13) - 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(r13) - clrlwi r4,r0,1 - cmpwi cr1,r4,0 - beq- cr1,1f - neg r4,r0 -1: stw r4,PID(r13) - PSEUDO_RET PSEUDO_END (__vfork) |