src/os_cpu/linux_sparc/vm/os_linux_sparc.hpp

Print this page




  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 #endif // OS_CPU_LINUX_SPARC_VM_OS_LINUX_SPARC_HPP


  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