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src/cpu/ppc/vm/jniFastGetField_ppc.cpp@41b780b43b74 (annotated)

src/cpu/ppc/vm/jniFastGetField_ppc.cpp

Wed, 27 Nov 2013 16:16:21 -0800

author

goetz

date

Wed, 27 Nov 2013 16:16:21 -0800

changeset 6490

41b780b43b74

parent 6458

ec28f9c041ff

child 6660

63c5920a038d

permissions

-rw-r--r--

8029015: PPC64 (part 216): opto: trap based null and range checks
Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn

goetz@6458	1	/*
goetz@6458	2	* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
goetz@6458	3	* Copyright 2012, 2013 SAP AG. All rights reserved.
goetz@6458	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
goetz@6458	5	*
goetz@6458	6	* This code is free software; you can redistribute it and/or modify it
goetz@6458	7	* under the terms of the GNU General Public License version 2 only, as
goetz@6458	8	* published by the Free Software Foundation.
goetz@6458	9	*
goetz@6458	10	* This code is distributed in the hope that it will be useful, but WITHOUT
goetz@6458	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
goetz@6458	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
goetz@6458	13	* version 2 for more details (a copy is included in the LICENSE file that
goetz@6458	14	* accompanied this code).
goetz@6458	15	*
goetz@6458	16	* You should have received a copy of the GNU General Public License version
goetz@6458	17	* 2 along with this work; if not, write to the Free Software Foundation,
goetz@6458	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
goetz@6458	19	*
goetz@6458	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
goetz@6458	21	* or visit www.oracle.com if you need additional information or have any
goetz@6458	22	* questions.
goetz@6458	23	*
goetz@6458	24	*/
goetz@6458	25
goetz@6458	26	#include "precompiled.hpp"
goetz@6458	27	#include "assembler_ppc.inline.hpp"
goetz@6458	28	#include "memory/resourceArea.hpp"
goetz@6458	29	#include "prims/jniFastGetField.hpp"
goetz@6458	30	#include "prims/jvm_misc.hpp"
goetz@6458	31	#include "runtime/safepoint.hpp"
goetz@6458	32
goetz@6458	33
goetz@6458	34	address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) {
goetz@6458	35	// we don't have fast jni accessors.
goetz@6458	36	return (address) -1;
goetz@6458	37	}
goetz@6458	38
goetz@6458	39	address JNI_FastGetField::generate_fast_get_boolean_field() {
goetz@6458	40	return generate_fast_get_int_field0(T_BOOLEAN);
goetz@6458	41	}
goetz@6458	42
goetz@6458	43	address JNI_FastGetField::generate_fast_get_byte_field() {
goetz@6458	44	return generate_fast_get_int_field0(T_BYTE);
goetz@6458	45	}
goetz@6458	46
goetz@6458	47	address JNI_FastGetField::generate_fast_get_char_field() {
goetz@6458	48	return generate_fast_get_int_field0(T_CHAR);
goetz@6458	49	}
goetz@6458	50
goetz@6458	51	address JNI_FastGetField::generate_fast_get_short_field() {
goetz@6458	52	return generate_fast_get_int_field0(T_SHORT);
goetz@6458	53	}
goetz@6458	54
goetz@6458	55	address JNI_FastGetField::generate_fast_get_int_field() {
goetz@6458	56	return generate_fast_get_int_field0(T_INT);
goetz@6458	57	}
goetz@6458	58
goetz@6458	59	address JNI_FastGetField::generate_fast_get_long_field() {
goetz@6458	60	// we don't have fast jni accessors.
goetz@6458	61	return (address) -1;
goetz@6458	62	}
goetz@6458	63
goetz@6458	64	address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) {
goetz@6458	65	// e don't have fast jni accessors.
goetz@6458	66	return (address) -1;
goetz@6458	67	}
goetz@6458	68
goetz@6458	69	address JNI_FastGetField::generate_fast_get_float_field() {
goetz@6458	70	return generate_fast_get_float_field0(T_FLOAT);
goetz@6458	71	}
goetz@6458	72
goetz@6458	73	address JNI_FastGetField::generate_fast_get_double_field() {
goetz@6458	74	return generate_fast_get_float_field0(T_DOUBLE);
goetz@6458	75	}