projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d4697bc9 | 1 | /* Copyright (C) 2010-2014 Free Software Foundation, Inc. |
| 40111cb9 MK |
2 | This file is part of the GNU C Library. |
| 3 | Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. | |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
| 19 | #include <tcb-offsets.h> | |
| 20 | ||
| 21 | #define SAVE_PID \ | |
| 22 | bsrl __m68k_read_tp@PLTPC ; /* Get the thread pointer. */ \ | |
| 23 | movel %a0, %a1 ; /* Save TP for RESTORE_PID. */ \ | |
| 24 | movel PID_OFFSET(%a1), %d0 ; /* Get the PID. */ \ | |
| 25 | movel %d0, %d1 ; /* Save PID for RESTORE_PID. */ \ | |
| 26 | negl %d0 ; /* Negate the PID. */ \ | |
| 27 | bne 1f ; /* If it was zero... */ \ | |
| 28 | movel #0x80000000, %d0 ; /* use 0x80000000 instead. */ \ | |
| 29 | 1: movel %d0, PID_OFFSET(%a1) ; /* Store the temporary PID. */ | |
| 30 | ||
| 31 | #define RESTORE_PID \ | |
| 32 | tstl %d0 ; \ | |
| 33 | beq 1f ; /* If we are the parent... */ \ | |
| 34 | movel %d1, PID_OFFSET(%a1) ; /* Restore the PID. */ \ | |
| 2b3dafb0 | 35 | 1: |
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36 | |
| 37 | #include <sysdeps/unix/sysv/linux/m68k/vfork.S> |