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authorAndreas Jaeger <aj@suse.de>2000-08-02 12:23:18 +0000
committerAndreas Jaeger <aj@suse.de>2000-08-02 12:23:18 +0000
commit9016e55cb809f98e9fd890010ca1eaf35fd616a2 (patch)
treeaeb1fb19dffbfa4e0ecb96058a1074bcba7861d7 /linuxthreads
parent95dfbca138a4884408f4ca790e4abf980497aaa3 (diff)
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Update.
2000-08-02 Andreas Jaeger <aj@suse.de> * linuxthreads/sysdeps/s390/pspinlock.c: New file. * linuxthreads/sysdeps/s390/pt-machine.h: New file. Patches by Martin Schwidefsky <schwidefsky@de.ibm.com>.
Diffstat (limited to 'linuxthreads')
-rw-r--r--linuxthreads/ChangeLog6
-rw-r--r--linuxthreads/sysdeps/s390/pt-machine.h76
2 files changed, 82 insertions, 0 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 3366f8ca10..65816bb8b0 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,9 @@
+2000-08-02 Andreas Jaeger <aj@suse.de>
+
+ * linuxthreads/sysdeps/s390/pspinlock.c: New file.
+ * linuxthreads/sysdeps/s390/pt-machine.h: New file.
+ Patches by Martin Schwidefsky <schwidefsky@de.ibm.com>.
+
2000-07-12 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
* sysdeps/mips/pspinlock.c (__pthread_spin_lock): Implement for
diff --git a/linuxthreads/sysdeps/s390/pt-machine.h b/linuxthreads/sysdeps/s390/pt-machine.h
new file mode 100644
index 0000000000..8de4a1a7c4
--- /dev/null
+++ b/linuxthreads/sysdeps/s390/pt-machine.h
@@ -0,0 +1,76 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ S390 version.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef PT_EI
+# define PT_EI extern inline
+#endif
+
+/* Spinlock implementation; required. */
+PT_EI int
+testandset (int *spinlock)
+{
+ int ret;
+
+ __asm__ __volatile__(
+ " lhi 0,1\n"
+ " l %0,%1\n"
+ "0: cs %0,0,%1\n"
+ " jl 0b"
+ : "=&d" (ret), "+m" (*spinlock)
+ : : "0", "cc");
+
+ return ret;
+}
+
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame. */
+#define CURRENT_STACK_FRAME stack_pointer
+register char * stack_pointer __asm__ ("15");
+
+
+/* Compare-and-swap for semaphores. */
+
+#define HAS_COMPARE_AND_SWAP
+
+PT_EI int
+__compare_and_swap(long int *p, long int oldval, long int newval)
+{
+ int retval;
+
+ __asm__ __volatile__(
+ " lr 0,%2\n"
+ " cs 0,%3,%1\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ "0:"
+ : "=&d" (retval), "+m" (*p)
+ : "d" (oldval) , "d" (newval)
+ : "cc", "0");
+ return retval == 0;
+}
+
+
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame. */
+#define CURRENT_STACK_FRAME stack_pointer
+register char * stack_pointer __asm__ ("%r15");