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-rw-r--r--sysdeps/unix/sysv/linux/tile/vfork.S77
1 files changed, 0 insertions, 77 deletions
diff --git a/sysdeps/unix/sysv/linux/tile/vfork.S b/sysdeps/unix/sysv/linux/tile/vfork.S
deleted file mode 100644
index d8c5ce3e24..0000000000
--- a/sysdeps/unix/sysv/linux/tile/vfork.S
+++ /dev/null
@@ -1,77 +0,0 @@
-/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
-
- 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 <sysdep.h>
-#define __ASSEMBLY__ /* for kernel headers */
-#include <linux/sched.h>
-#include <asm/signal.h>
-#include <tcb-offsets.h>
-
-/* Clone the calling process, but without copying the whole address space.
- The calling process is suspended until the new process exits or is
- replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
- and the process ID of the new process to the old process. */
-
- .text
-ENTRY (__vfork)
- {
- addli r11, tp, PID_OFFSET /* Point at PID. */
- movei r13, 1
- }
- {
- LD4U r12, r11 /* Load the saved PID. */
- shli r13, r13, 31 /* Build 0x80000000. */
- }
- sub r12, zero, r12 /* Negate it. */
- CMOVEQZ r12, r12, r13 /* Replace zero pids. */
- ST4 r11, r12 /* Store the temporary PID. */
-
- {
- moveli r0, CLONE_VFORK | CLONE_VM | SIGCHLD
- move r1, zero
- }
- {
- move r2, zero
- move r3, zero
- }
- moveli TREG_SYSCALL_NR_NAME, __NR_clone
- swint1
-
- BEQZ r0, 1f /* If we are the parent... */
- {
- addli r11, tp, PID_OFFSET /* Point at PID. */
- movei r13, 1
- }
- {
- LD4U r12, r11 /* Load the saved PID. */
- shli r13, r13, 31 /* Build 0x80000000. */
- }
- {
- CMPEQ r13, r12, r12 /* Test for that value. */
- sub r12, zero, r12 /* Re-negate it. */
- }
- CMOVNEZ r12, r13, zero /* Replace zero pids. */
- ST4 r11, r12 /* Restore the PID. */
-1:
- BNEZ r1, 0f
- jrp lr
-PSEUDO_END (__vfork)
-libc_hidden_def (__vfork)
-
-weak_alias (__vfork, vfork)
-strong_alias (__vfork, __libc_vfork)