src/cpu/ppc/vm/sharedRuntime_ppc.cpp

*** 1472,1482 ****
        }
      }
    }
  }
  
! // 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,
--- 1472,1482 ----
        }
      }
    }
  }
  
! // 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,
*** 1484,1496 ****
                                                 const int arg_save_area,
                                                 OopMapSet* oop_maps,
                                                 VMRegPair* in_regs,
                                                 BasicType* in_sig_bt,
                                                 Register tmp_reg ) {
!   __ block_comment("check GC_locker::needs_gc");
    Label cont;
!   __ lbz(tmp_reg, (RegisterOrConstant)(intptr_t)GC_locker::needs_gc_address());
    __ cmplwi(CCR0, tmp_reg, 0);
    __ beq(CCR0, cont);
  
    // Save down any values that are live in registers and call into the
    // runtime to halt for a GC.
--- 1484,1496 ----
                                                 const int arg_save_area,
                                                 OopMapSet* oop_maps,
                                                 VMRegPair* in_regs,
                                                 BasicType* in_sig_bt,
                                                 Register tmp_reg ) {
!   __ block_comment("check GCLocker::needs_gc");
    Label cont;
!   __ lbz(tmp_reg, (RegisterOrConstant)(intptr_t)GCLocker::needs_gc_address());
    __ cmplwi(CCR0, tmp_reg, 0);
    __ beq(CCR0, cont);
  
    // Save down any values that are live in registers and call into the
    // runtime to halt for a GC.
*** 1685,1702 ****
  //
  // 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
--- 1685,1702 ----
  //
  // 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