diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/vfork.S')
-rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/vfork.S | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/vfork.S deleted file mode 100644 index 46eb76dd6..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/xtensa/vfork.S +++ /dev/null @@ -1,59 +0,0 @@ -/* Copyright (C) 2013 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <tls.h> - -/* - Save the PID value, save 0x80000000 if PID was 0. - Registers a2 and a3 are available; ar should return the PID and as threadptr - */ - -#define SAVE_PID(pid,tp,ar,as) \ - rur tp, threadptr; \ - movi ar, TLS_PRE_TCB_SIZE; \ - sub tp, tp, ar; \ - l32i pid, tp, PID; \ - neg ar, pid; \ - movi as, 0x80000000; \ - moveqz ar, as, ar; \ - s32i ar, tp, PID; \ - -/* - Restore the PID value, restore to 0 if saved value was 0x80000000 - Return value from the syscall is in a2. - */ -#define RESTORE_PID(pid,tp,res) \ - beqz res, 1f; \ - s32i pid, tp, PID; \ -1: - -/* - Special version for call12, where we don't have enough registers - available to preserve the original PID. - */ -#define RESTORE_PID12(ar, as, at) \ - rur as, threadptr; \ - movi ar, TLS_PRE_TCB_SIZE; \ - sub as, as, ar; \ - l32i ar, as, PID; \ - movi at, 0x80000000; \ - sub at, at, ar; \ - neg ar, ar; \ - moveqz ar, at, at; \ - s32i ar, as, PID; - -#include <libc/sysdeps/linux/xtensa/vfork.S> |