1 /*
   2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef OS_CPU_LINUX_SPARC_VM_OS_LINUX_SPARC_HPP
  26 #define OS_CPU_LINUX_SPARC_VM_OS_LINUX_SPARC_HPP
  27 
  28   //
  29   // NOTE: we are back in class os here, not Linux
  30   //
  31   static jint  (*atomic_xchg_func)        (jint,  volatile jint*);
  32   static jint  (*atomic_cmpxchg_func)     (jint,  volatile jint*,  jint);
  33   static jlong (*atomic_cmpxchg_long_func)(jlong, volatile jlong*, jlong);
  34   static jint  (*atomic_add_func)         (jint,  volatile jint*);
  35 
  36   static jint  atomic_xchg_bootstrap        (jint,  volatile jint*);
  37   static jint  atomic_cmpxchg_bootstrap     (jint,  volatile jint*,  jint);
  38   static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
  39   static jint  atomic_add_bootstrap         (jint,  volatile jint*);
  40 
  41   static void setup_fpu() {}
  42 
  43   static bool is_allocatable(size_t bytes);
  44 
  45   // Used to register dynamic code cache area with the OS
  46   // Note: Currently only used in 64 bit Windows implementations
  47   static bool register_code_area(char *low, char *high) { return true; }
  48 
  49   // Amount beyond the callee frame size that we bang the stack.
  50   // SPARC does not require the additional stack bang.
  51   static int extra_bang_size_in_bytes() { return 0; }
  52 
  53 #endif // OS_CPU_LINUX_SPARC_VM_OS_LINUX_SPARC_HPP