1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2016 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "prims/jniFastGetField.hpp"
  28 #include "prims/jvm_misc.hpp"
  29 
  30 // TSO ensures that loads are blocking and ordered with respect to
  31 // to earlier loads, so we don't need LoadLoad membars.
  32 
  33 #define __ masm->
  34 
  35 #define BUFFER_SIZE 30*sizeof(jint)
  36 
  37 address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {
  38   // Don't use fast jni accessors.
  39   return (address) -1;
  40 }
  41 
  42 address JNI_FastGetField::generate_fast_get_boolean_field() {
  43   return generate_fast_get_int_field0(T_BOOLEAN);
  44 }
  45 
  46 address JNI_FastGetField::generate_fast_get_byte_field() {
  47   return generate_fast_get_int_field0(T_BYTE);
  48 }
  49 
  50 address JNI_FastGetField::generate_fast_get_char_field() {
  51   return generate_fast_get_int_field0(T_CHAR);
  52 }
  53 
  54 address JNI_FastGetField::generate_fast_get_short_field() {
  55   return generate_fast_get_int_field0(T_SHORT);
  56 }
  57 
  58 address JNI_FastGetField::generate_fast_get_int_field() {
  59   return generate_fast_get_int_field0(T_INT);
  60 }
  61 
  62 address JNI_FastGetField::generate_fast_get_long_field() {
  63   // Don't use fast jni accessors.
  64   return (address) -1;
  65 }
  66 
  67 address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) {
  68   // Don't use fast jni accessors.
  69   return (address) -1;
  70 }
  71 
  72 address JNI_FastGetField::generate_fast_get_float_field() {
  73   return generate_fast_get_float_field0(T_FLOAT);
  74 }
  75 
  76 address JNI_FastGetField::generate_fast_get_double_field() {
  77   return generate_fast_get_float_field0(T_DOUBLE);
  78 }