src/cpu/sparc/vm/sharedRuntime_sparc.cpp

*** 1746,1769 ****
    }
  
  }
  
  
! // Check GC_locker::needs_gc and enter the runtime if it's true.  This
  // keeps a new JNI critical region from starting until a GC has been
  // forced.  Save down any oops in registers and describe them in an
  // OopMap.
  static void check_needs_gc_for_critical_native(MacroAssembler* masm,
                                                 const int stack_slots,
                                                 const int total_in_args,
                                                 const int arg_save_area,
                                                 OopMapSet* oop_maps,
                                                 VMRegPair* in_regs,
                                                 BasicType* in_sig_bt) {
!   __ block_comment("check GC_locker::needs_gc");
    Label cont;
!   AddressLiteral sync_state(GC_locker::needs_gc_address());
    __ load_bool_contents(sync_state, G3_scratch);
    __ cmp_zero_and_br(Assembler::equal, G3_scratch, cont);
    __ delayed()->nop();
  
    // Save down any values that are live in registers and call into the
--- 1746,1769 ----
    }
  
  }
  
  
! // Check GCLocker::needs_gc and enter the runtime if it's true.  This
  // keeps a new JNI critical region from starting until a GC has been
  // forced.  Save down any oops in registers and describe them in an
  // OopMap.
  static void check_needs_gc_for_critical_native(MacroAssembler* masm,
                                                 const int stack_slots,
                                                 const int total_in_args,
                                                 const int arg_save_area,
                                                 OopMapSet* oop_maps,
                                                 VMRegPair* in_regs,
                                                 BasicType* in_sig_bt) {
!   __ block_comment("check GCLocker::needs_gc");
    Label cont;
!   AddressLiteral sync_state(GCLocker::needs_gc_address());
    __ load_bool_contents(sync_state, G3_scratch);
    __ cmp_zero_and_br(Assembler::equal, G3_scratch, cont);
    __ delayed()->nop();
  
    // Save down any values that are live in registers and call into the
*** 1934,1951 ****
  //
  // Critical native functions are a shorthand for the use of
  // GetPrimtiveArrayCritical and disallow the use of any other JNI
  // functions.  The wrapper is expected to unpack the arguments before
  // passing them to the callee and perform checks before and after the
! // native call to ensure that they GC_locker
  // lock_critical/unlock_critical semantics are followed.  Some other
  // parts of JNI setup are skipped like the tear down of the JNI handle
  // block and the check for pending exceptions it's impossible for them
  // to be thrown.
  //
  // They are roughly structured like this:
! //    if (GC_locker::needs_gc())
  //      SharedRuntime::block_for_jni_critical();
  //    tranistion to thread_in_native
  //    unpack arrray arguments and call native entry point
  //    check for safepoint in progress
  //    check if any thread suspend flags are set
--- 1934,1951 ----
  //
  // Critical native functions are a shorthand for the use of
  // GetPrimtiveArrayCritical and disallow the use of any other JNI
  // functions.  The wrapper is expected to unpack the arguments before
  // passing them to the callee and perform checks before and after the
! // native call to ensure that they GCLocker
  // lock_critical/unlock_critical semantics are followed.  Some other
  // parts of JNI setup are skipped like the tear down of the JNI handle
  // block and the check for pending exceptions it's impossible for them
  // to be thrown.
  //
  // They are roughly structured like this:
! //    if (GCLocker::needs_gc())
  //      SharedRuntime::block_for_jni_critical();
  //    tranistion to thread_in_native
  //    unpack arrray arguments and call native entry point
  //    check for safepoint in progress
  //    check if any thread suspend flags are set