diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/tile/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/tile/clone.S | 39 |
1 files changed, 5 insertions, 34 deletions
diff --git a/sysdeps/unix/sysv/linux/tile/clone.S b/sysdeps/unix/sysv/linux/tile/clone.S index a300eb59ff..d1d36462e7 100644 --- a/sysdeps/unix/sysv/linux/tile/clone.S +++ b/sysdeps/unix/sysv/linux/tile/clone.S @@ -164,43 +164,14 @@ ENTRY (__clone) cfi_def_cfa_offset (FRAME_SIZE) cfi_undefined (lr) /* Check and see if we need to reset the PID, which we do if - CLONE_THREAD isn't set, i.e. we're not staying in the thread group. - If CLONE_VM is set, we're doing some kind of thread-like clone, - so we set the tid/pid to -1 to disable using the cached values - in getpid(). Otherwise (if CLONE_VM isn't set), it's a - fork-like clone, and we go ahead and write the cached values + CLONE_VM isn't set, i.e. it's a fork-like clone with a new + address space. In that case we update the cached values from the true system pid (retrieved via __NR_getpid syscall). */ -#ifdef __tilegx__ - { - moveli r0, hw1_last(CLONE_VM) - moveli r1, hw1_last(CLONE_THREAD) - } - { - shl16insli r0, r0, hw0(CLONE_VM) - shl16insli r1, r1, hw0(CLONE_THREAD) - } -#else - { - moveli r0, lo16(CLONE_VM) - moveli r1, lo16(CLONE_THREAD) - } - { - auli r0, r0, ha16(CLONE_VM) - auli r1, r1, ha16(CLONE_THREAD) - } -#endif - { - and r0, r30, r0 - and r1, r30, r1 - } - BNEZ r1, .Lno_reset_pid /* CLONE_THREAD is set */ - { - movei r0, -1 - BNEZ r0, .Lgotpid /* CLONE_VM is set */ - } + moveli r0, CLONE_VM + and r0, r30, r0 + BNEZ r0, .Lno_reset_pid /* CLONE_VM is set */ moveli TREG_SYSCALL_NR_NAME, __NR_getpid swint1 -.Lgotpid: ADDLI_PTR r2, tp, PID_OFFSET { ST4 r2, r0 |