diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/clone.S | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/clone.S b/sysdeps/unix/sysv/linux/m68k/clone.S deleted file mode 100644 index a680191765..0000000000 --- a/sysdeps/unix/sysv/linux/m68k/clone.S +++ /dev/null @@ -1,111 +0,0 @@ -/* Copyright (C) 1996-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Andreas Schwab (schwab@issan.informatik.uni-dortmund.de) - - 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> -#include <tls.h> - -#define CLONE_VM 0x00000100 - -/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg, - void *parent_tidptr, void *tls, void *child_tidptr) */ - - .text -ENTRY (__clone) - - /* Sanity check arguments. */ - movel #-EINVAL, %d0 - movel 4(%sp), %a0 /* no NULL function pointers */ - tstl %a0 - jeq SYSCALL_ERROR_LABEL - movel 8(%sp), %a1 /* no NULL stack pointers */ - tstl %a1 - jeq SYSCALL_ERROR_LABEL - - /* Allocate space and copy the argument onto the new stack. */ - movel 16(%sp), -(%a1) - - /* Do the system call */ - movel 12+0(%sp), %d1 /* get flags */ - movel %d3, -(%a1) /* save %d3 and get parent_tidptr */ - movel %d3, -(%sp) - cfi_adjust_cfa_offset (4) - cfi_rel_offset (%d3, 0) - movel 20+4(%sp), %d3 - movel %d4, -(%a1) /* save %d4 and get child_tidptr */ - movel %d4, -(%sp) - cfi_adjust_cfa_offset (4) - cfi_rel_offset (%d4, 0) - movel 28+8(%sp), %d4 - movel %d5, -(%a1) /* save %d5 and get tls */ - movel %d5, -(%sp) - cfi_adjust_cfa_offset (4) - cfi_rel_offset (%d5, 0) - movel 24+12(%sp), %d5 - /* save %d2 and get stack pointer */ -#ifdef __mcoldfire__ - movel %d2, -(%a1) - movel %d2, -(%sp) - cfi_adjust_cfa_offset (4) - cfi_rel_offset (%d2, 0) - movel %a1, %d2 -#else - exg %d2, %a1 /* save %d2 and get stack pointer */ - cfi_register (%d2, %a1) -#endif - movel #SYS_ify (clone), %d0 - - /* End FDE now, because in the child the unwind info will be - wrong. */ - cfi_endproc - - trap #0 -#ifdef __mcoldfire__ - movel (%sp)+, %d2 -#else - exg %d2, %a1 /* restore %d2 */ -#endif - movel (%sp)+, %d5 /* restore %d5, %d4 and %d3 */ - movel (%sp)+, %d4 - movel (%sp)+, %d3 - - tstl %d0 - jmi SYSCALL_ERROR_LABEL - jeq 1f - - rts - -1: - cfi_startproc - cfi_undefined (pc) /* Mark end of stack */ - subl %fp, %fp /* terminate the stack frame */ - jsr (%a0) - movel %d0, %d1 - movel #SYS_ify (exit), %d0 - trap #0 - cfi_endproc - - cfi_startproc -PSEUDO_END (__clone) - -libc_hidden_def (__clone) -weak_alias (__clone, clone) |