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comparison src/gpu/hsail/vm/hsailJavaCallArguments.hpp @ 14768:3e9a960f0da1

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HSAIL: preliminary deopt support Contributed-by: Tom Deneau <tom.deneau@amd.com>
author Doug Simon <doug.simon@oracle.com>
date Wed, 26 Mar 2014 17:33:54 +0100
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14767:ded08e344e4a 14768:3e9a960f0da1
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef JAVACALL_ARGUMENTS_HSAIL_HPP
26 #define JAVACALL_ARGUMENTS_HSAIL_HPP
27
28 #include "hsailArgumentsBase.hpp"
29 #include "runtime/javaCalls.hpp"
30
31 class HSAILJavaCallArguments : public HSAILArgumentsBase {
32
33 public:
34
35 private:
36 // JavaCall Args to push into
37 JavaCallArguments *_javaArgs;
38 int _workitemid;
39 public:
40 HSAILJavaCallArguments(JavaCallArguments *javaArgs, int workitemid, Symbol* signature, objArrayOop args, bool is_static) : HSAILArgumentsBase(signature, args, is_static) {
41 _javaArgs = javaArgs;
42 _workitemid = workitemid;
43 collectArgs();
44 }
45 virtual char *argsBuilderName() {return (char *)"HSAILJavaCallArguments";}
46 virtual void pushObject(void *obj) { _javaArgs->push_oop((oop) obj); }
47 virtual void pushBool(jboolean z) { pushInt(z); }
48 virtual void pushByte(jbyte b) { pushInt(b); }
49 virtual void pushDouble(jdouble d) { _javaArgs->push_double(d); }
50 virtual void pushFloat(jfloat f) { _javaArgs->push_float(f); }
51 virtual void pushInt(jint i) { _javaArgs->push_int(i); }
52 virtual void pushLong(jlong j) { _javaArgs->push_long(j); }
53 virtual void pushTrailingArgs() { }
54
55 // For javaCall the final int parameter gets replaced with the workitemid
56 // which was passed back in the deopt info
57 virtual void handleFinalIntParameter() {
58 if (TraceGPUInteraction) {
59 tty->print_cr("[HSAIL] HSAILJavaCallArguments, passing workitemid %d as trailing int parameter", _workitemid);
60 }
61 pushInt(_workitemid);
62 }
63 // for kernel arguments, final obj parameter should be an object
64 // stream source array (already checked in the base class) so for
65 // a javacall we need to extract the correct obj from it based on
66 // the workitemid
67 virtual void handleFinalObjParameter(void *arg) {
68 objArrayOop objArrayArg = (objArrayOop) arg;
69 oop extractedObj = objArrayArg->obj_at(_workitemid);
70 if (TraceGPUInteraction) {
71 tty->print_cr("[HSAIL] HSAILJavaCallArguments, extracted obj #%d from array, 0x%08x is a %s",
72 _workitemid, (address) extractedObj,
73 (extractedObj == NULL ? "null" : extractedObj->klass()->external_name()));
74 }
75 pushObject(extractedObj);
76 }
77
78 };
79
80 #endif // JAVACALL_ARGUMENTS_HSAIL_HPP
81