diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/microblaze/clone.S')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/microblaze/clone.S | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/microblaze/clone.S b/ports/sysdeps/unix/sysv/linux/microblaze/clone.S deleted file mode 100644 index c11213c2bd..0000000000 --- a/ports/sysdeps/unix/sysv/linux/microblaze/clone.S +++ /dev/null @@ -1,72 +0,0 @@ -/* Copyright (C) 1996-2014 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/>. */ - -/* clone() is even more special than fork() as it mucks with stacks - and invokes a function in the right context after its all over. */ - -#include <sysdep.h> -#define _ERRNO_H 1 -#include <bits/errno.h> - -/* int clone (int (*fn)(void *arg), void *child_stack, int flags, void *arg, - pid_t *ptid, struct user_desc *tls, pid_t *ctid); - - INCOMING: r5 (fn), r6 (child_stack), r7 (flags), r8 (arg), r9 (ptid) - r10 (tls), 28 (r1) ctid - - OUTGOING: - - linux: arch/microblaze/entry.S: sys_clone expects - r5 (flags) r6 (child stack) r7 (stack_size) r8 (ptid)r9 (ctid) - r10 (tls) -*/ - - .text -ENTRY (__clone) - addik r3,r0,-EINVAL - beqi r5,SYSCALL_ERROR_LABEL ; // Invalid func - beqi r6,SYSCALL_ERROR_LABEL ; // Invalid stack - addik r6,r6,-8 - swi r5,r6,0 ; // Push fn onto child's stack - swi r8,r6,4 ; // Push arg for child - addk r5,r0,r7 ; // flags for clone() syscall - addk r7,r0,r0 - addk r8,r0,r9 ; // parent tid ptr - lwi r9,r1,28 ; // child tid ptr - addik r12,r0,SYS_ify(clone) - brki r14,8 - addk r0,r0,r0 - addik r4,r0,-4095 - cmpu r4,r4,r3 - bgei r4,SYSCALL_ERROR_LABEL - beqi r3,L(thread_start) - rtsd r15,8 - nop - -L(thread_start): - lwi r12,r1,0 ; // fn - lwi r5,r1,4 ; // arg - brald r15,r12 - nop - addk r5,r0,r3 - addik r12,r0,SYS_ify(exit) - brki r14,8 - nop -PSEUDO_END(__clone) - -weak_alias (__clone,clone) |