summaryrefslogtreecommitdiff
path: root/libpthread/linuxthreads/sysdeps/cris
diff options
context:
space:
mode:
authorEric Andersen <andersen@codepoet.org>2003-02-27 18:13:05 +0000
committerEric Andersen <andersen@codepoet.org>2003-02-27 18:13:05 +0000
commit187dd78d7bd1c03fcf16e54a30314512d38e1a4a (patch)
tree9780638e5286b40da74a128c9f540a9ea720862f /libpthread/linuxthreads/sysdeps/cris
parentd4d6e2c50565da18253cd0d6f3332484142b6587 (diff)
Major update for pthreads, based in large part on improvements
from glibc 2.3. This should make threads much more efficient. -Erik
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/cris')
-rw-r--r--libpthread/linuxthreads/sysdeps/cris/pt-machine.h20
-rw-r--r--libpthread/linuxthreads/sysdeps/cris/stackinfo.h28
2 files changed, 42 insertions, 6 deletions
diff --git a/libpthread/linuxthreads/sysdeps/cris/pt-machine.h b/libpthread/linuxthreads/sysdeps/cris/pt-machine.h
index e8073559a..eaead3058 100644
--- a/libpthread/linuxthreads/sysdeps/cris/pt-machine.h
+++ b/libpthread/linuxthreads/sysdeps/cris/pt-machine.h
@@ -1,27 +1,33 @@
/* Machine-dependent pthreads configuration and inline functions.
CRIS version.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
+ You should have received a copy of the GNU Lesser 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_MACHINE_H
+#define _PT_MACHINE_H 1
+
#ifndef PT_EI
# define PT_EI extern inline
#endif
+extern long int testandset (int *spinlock);
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
+
PT_EI long int
testandset (int *spinlock)
{
@@ -37,7 +43,7 @@ testandset (int *spinlock)
"bwf 0b\n\t"
"clearf"
: "=&r" (ret), "=m" (*spinlock)
- : "r" (spinlock), "r" ((int) 1), "m" (*spinlock)
+ : "r" (spinlock), "r" ((int) 1)
: "memory");
return ret;
}
@@ -48,3 +54,5 @@ testandset (int *spinlock)
I don't trust register variables, so let's do this the safe way. */
#define CURRENT_STACK_FRAME \
({ char *sp; __asm__ ("move.d $sp,%0" : "=rm" (sp)); sp; })
+
+#endif /* pt-machine.h */
diff --git a/libpthread/linuxthreads/sysdeps/cris/stackinfo.h b/libpthread/linuxthreads/sysdeps/cris/stackinfo.h
new file mode 100644
index 000000000..43c944834
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/cris/stackinfo.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ 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 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* This file contains a bit of information about the stack allocation
+ of the processor. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+/* On cris the stack grows down. */
+#define _STACK_GROWS_DOWN 1
+
+#endif /* stackinfo.h */