hotspot/src/os_cpu/solaris_x86/vm/os_solaris_x86.hpp
author sundar
Tue, 25 Jun 2013 17:31:19 +0530
changeset 18615 3f6e6adcbc1a
parent 13963 e5b53c306fb5
permissions -rw-r--r--
8015969: Needs to enforce and document that global "context" and "engine" can't be modified when running via jsr223 Reviewed-by: hannesw, jlaskey

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef OS_CPU_SOLARIS_X86_VM_OS_SOLARIS_X86_HPP
#define OS_CPU_SOLARIS_X86_VM_OS_SOLARIS_X86_HPP

  //
  // NOTE: we are back in class os here, not Solaris
  //
#ifdef AMD64
  static void setup_fpu() {}
#else
  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 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 setup_fpu();
#endif // AMD64

  static bool supports_sse();

  static jlong rdtsc();

  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; }

#endif // OS_CPU_SOLARIS_X86_VM_OS_SOLARIS_X86_HPP