diff src/os_cpu/linux_sparc/vm/os_linux_sparc.hpp @ 122:435e64505015

6693457: Open-source hotspot linux-sparc support Summary: Move os_cpu/linux_sparc from closed to open Reviewed-by: kamg
author phh
date Thu, 24 Apr 2008 15:07:57 -0400
parents
children d1605aabd0a1
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os_cpu/linux_sparc/vm/os_linux_sparc.hpp	Thu Apr 24 15:07:57 2008 -0400
@@ -0,0 +1,46 @@
+/*
+ * Copyright 1999-2004 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+  //
+  // NOTE: we are back in class os here, not Linux
+  //
+  static jint  (*atomic_xchg_func)        (jint,  volatile jint*);
+  static jint  (*atomic_cmpxchg_func)     (jint,  volatile jint*,  jint);
+  static jlong (*atomic_cmpxchg_long_func)(jlong, volatile jlong*, jlong);
+  static jint  (*atomic_add_func)         (jint,  volatile jint*);
+  static void  (*fence_func)              ();
+
+  static jint  atomic_xchg_bootstrap        (jint,  volatile jint*);
+  static jint  atomic_cmpxchg_bootstrap     (jint,  volatile jint*,  jint);
+  static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
+  static jint  atomic_add_bootstrap         (jint,  volatile jint*);
+  static void  fence_bootstrap              ();
+
+  static void setup_fpu() {}
+
+  static bool is_allocatable(size_t bytes);
+
+  // Used to register dynamic code cache area with the OS
+  // Note: Currently only used in 64 bit Windows implementations
+  static bool register_code_area(char *low, char *high) { return true; }