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- /*
- * Copyright (C) 2016-2017 Andes Technology, Inc.
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
- /* Copyright (C) 2013 Free Software Foundation, Inc.
- 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 <tls.h>
- /* Save the PID value. */
- #define SAVE_PID \
- lwi $r1, [$r25 + PID_OFFSET];/* Get the thread pointer. */ \
- subri $r1, $r1, 0x0; /* Negate it. */ \
- bnez $r1, 1f; /* If it was zero... */ \
- sethi $r1, 0x80000; /* use 0x80000000 instead. */ \
- 1: swi $r1, [$r25 + PID_OFFSET];/* Store the temporary PID. */
- /* Restore the old PID value in the parent. */
- #define RESTORE_PID \
- beqz $r0, 1f; /* If we are the parent... */ \
- lwi $r1, [$r25 + PID_OFFSET];/* Get the thread pointer. */ \
- subri $r1, $r1, 0x0; /* Re-negate it. */ \
- sethi $r2, 0x80000; /* Load 0x80000000... */ \
- bne $r1, $r2, 2f; /* ... compare against it... */ \
- movi $r1, 0; /* ... use 0 instead. */ \
- 2: swi $r1, [$r25 + PID_OFFSET];/* Restore the PID. */ \
- 1:
- #include <../../../../../../../libc/sysdeps/linux/nds32/vfork.S>
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