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 }