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author | Andreas Schwab <schwab@linux-m68k.org> | 2014-02-10 20:05:01 +0100 |
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committer | Andreas Schwab <schwab@linux-m68k.org> | 2014-02-10 20:22:40 +0100 |
commit | 73588a7223bec40d652fd4c75f1cb4772c5d2612 (patch) | |
tree | dfc1f1965e78e62e611199d91c482d1b76ff109d /sysdeps/unix/sysv/linux/m68k/nptl/pt-vfork.S | |
parent | 87569616d27a2c742f87b5dbcac2f2e3437fd874 (diff) | |
download | glibc-73588a7223bec40d652fd4c75f1cb4772c5d2612.tar.gz glibc-73588a7223bec40d652fd4c75f1cb4772c5d2612.tar.xz glibc-73588a7223bec40d652fd4c75f1cb4772c5d2612.zip |
Move m68k from ports to libc
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/nptl/pt-vfork.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/m68k/nptl/pt-vfork.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/nptl/pt-vfork.S b/sysdeps/unix/sysv/linux/m68k/nptl/pt-vfork.S new file mode 100644 index 0000000000..0689e682cf --- /dev/null +++ b/sysdeps/unix/sysv/linux/m68k/nptl/pt-vfork.S @@ -0,0 +1,35 @@ +/* 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. */ \ + 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> |