| /* Copyright (C) 2010-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. |
| |
| 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 <tcb-offsets.h> |
| |
| #define SAVE_PID \ |
| bsrl __m68k_read_tp@PLTPC ; /* Get the thread pointer. */ \ |
| movel %a0, %a1 ; /* Save TP for RESTORE_PID. */ \ |
| movel PID_OFFSET(%a1), %d0 ; /* Get the PID. */ \ |
| movel %d0, %d1 ; /* Save PID for RESTORE_PID. */ \ |
| negl %d0 ; /* Negate the PID. */ \ |
| bne 1f ; /* If it was zero... */ \ |
| movel #0x80000000, %d0 ; /* use 0x80000000 instead. */ \ |
| 1: movel %d0, PID_OFFSET(%a1) ; /* Store the temporary PID. */ |
| |
| #define RESTORE_PID \ |
| tstl %d0 ; \ |
| beq 1f ; /* If we are the parent... */ \ |
| movel %d1, PID_OFFSET(%a1) ; /* Restore the PID. */ \ |
| 1: |
| |
| #include <sysdeps/unix/sysv/linux/m68k/vfork.S> |