1 /*
   2  * Copyright (c) 1999, 2013, 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_WINDOWS_X86_VM_OS_WINDOWS_X86_HPP
  26 #define OS_CPU_WINDOWS_X86_VM_OS_WINDOWS_X86_HPP
  27 
  28   //
  29   // NOTE: we are back in class os here, not win32
  30   //
  31 #ifdef AMD64
  32   static jint      (*atomic_xchg_func)          (jint,      volatile jint*);
  33   static intptr_t  (*atomic_xchg_ptr_func)      (intptr_t,  volatile intptr_t*);
  34 
  35   static jint      (*atomic_cmpxchg_func)       (jint,      volatile jint*,  jint);
  36   static jlong     (*atomic_cmpxchg_long_func)  (jlong,     volatile jlong*, jlong);
  37 
  38   static jint      (*atomic_add_func)           (jint,      volatile jint*);
  39   static intptr_t  (*atomic_add_ptr_func)       (intptr_t,  volatile intptr_t*);
  40 
  41   static jint      atomic_xchg_bootstrap        (jint,      volatile jint*);
  42   static intptr_t  atomic_xchg_ptr_bootstrap    (intptr_t,  volatile intptr_t*);
  43 
  44   static jint      atomic_cmpxchg_bootstrap     (jint,      volatile jint*,  jint);
  45 #else
  46 
  47   static jlong (*atomic_cmpxchg_long_func)  (jlong, volatile jlong*, jlong);
  48 
  49 #endif // AMD64
  50 
  51   static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
  52 
  53 #ifdef AMD64
  54   static jint      atomic_add_bootstrap         (jint,      volatile jint*);
  55   static intptr_t  atomic_add_ptr_bootstrap     (intptr_t,  volatile intptr_t*);
  56 #endif // AMD64
  57 
  58   static void setup_fpu();
  59   static bool supports_sse() { return true; }
  60 
  61   static jlong rdtsc();
  62 
  63   static bool      register_code_area(char *low, char *high);
  64 
  65 #ifdef AMD64
  66 #define PLATFORM_PRINT_NATIVE_STACK 1
  67 static bool platform_print_native_stack(outputStream* st, void* context,
  68                                         char *buf, int buf_size);
  69 #endif
  70 
  71   // Amount beyond the callee frame size that we bang the stack.
  72   static int extra_bang_size_in_bytes();
  73 
  74 #endif // OS_CPU_WINDOWS_X86_VM_OS_WINDOWS_X86_HPP