29183
|
1 |
/*
|
47659
|
2 |
* Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
|
29183
|
3 |
* Copyright (c) 2014, Red Hat Inc. 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 |
#ifndef CPU_AARCH64_VM_JNITYPES_AARCH64_HPP
|
|
27 |
#define CPU_AARCH64_VM_JNITYPES_AARCH64_HPP
|
|
28 |
|
47659
|
29 |
#include "jni.h"
|
29183
|
30 |
#include "memory/allocation.hpp"
|
|
31 |
#include "oops/oop.hpp"
|
|
32 |
|
|
33 |
// This file holds platform-dependent routines used to write primitive jni
|
|
34 |
// types to the array of arguments passed into JavaCalls::call
|
|
35 |
|
|
36 |
class JNITypes : AllStatic {
|
|
37 |
// These functions write a java primitive type (in native format)
|
|
38 |
// to a java stack slot array to be passed as an argument to JavaCalls:calls.
|
|
39 |
// I.e., they are functionally 'push' operations if they have a 'pos'
|
|
40 |
// formal parameter. Note that jlong's and jdouble's are written
|
|
41 |
// _in reverse_ of the order in which they appear in the interpreter
|
|
42 |
// stack. This is because call stubs (see stubGenerator_sparc.cpp)
|
|
43 |
// reverse the argument list constructed by JavaCallArguments (see
|
|
44 |
// javaCalls.hpp).
|
|
45 |
|
|
46 |
public:
|
|
47 |
// Ints are stored in native format in one JavaCallArgument slot at *to.
|
|
48 |
static inline void put_int(jint from, intptr_t *to) { *(jint *)(to + 0 ) = from; }
|
|
49 |
static inline void put_int(jint from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = from; }
|
|
50 |
static inline void put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; }
|
|
51 |
|
|
52 |
// Longs are stored in native format in one JavaCallArgument slot at
|
|
53 |
// *(to+1).
|
|
54 |
static inline void put_long(jlong from, intptr_t *to) {
|
|
55 |
*(jlong*) (to + 1) = from;
|
|
56 |
}
|
|
57 |
|
|
58 |
static inline void put_long(jlong from, intptr_t *to, int& pos) {
|
|
59 |
*(jlong*) (to + 1 + pos) = from;
|
|
60 |
pos += 2;
|
|
61 |
}
|
|
62 |
|
|
63 |
static inline void put_long(jlong *from, intptr_t *to, int& pos) {
|
|
64 |
*(jlong*) (to + 1 + pos) = *from;
|
|
65 |
pos += 2;
|
|
66 |
}
|
|
67 |
|
|
68 |
// Oops are stored in native format in one JavaCallArgument slot at *to.
|
|
69 |
static inline void put_obj(oop from, intptr_t *to) { *(oop *)(to + 0 ) = from; }
|
|
70 |
static inline void put_obj(oop from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = from; }
|
|
71 |
static inline void put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; }
|
|
72 |
|
|
73 |
// Floats are stored in native format in one JavaCallArgument slot at *to.
|
|
74 |
static inline void put_float(jfloat from, intptr_t *to) { *(jfloat *)(to + 0 ) = from; }
|
|
75 |
static inline void put_float(jfloat from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = from; }
|
|
76 |
static inline void put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; }
|
|
77 |
|
|
78 |
#undef _JNI_SLOT_OFFSET
|
|
79 |
#define _JNI_SLOT_OFFSET 1
|
|
80 |
// Doubles are stored in native word format in one JavaCallArgument
|
|
81 |
// slot at *(to+1).
|
|
82 |
static inline void put_double(jdouble from, intptr_t *to) {
|
|
83 |
*(jdouble*) (to + 1) = from;
|
|
84 |
}
|
|
85 |
|
|
86 |
static inline void put_double(jdouble from, intptr_t *to, int& pos) {
|
|
87 |
*(jdouble*) (to + 1 + pos) = from;
|
|
88 |
pos += 2;
|
|
89 |
}
|
|
90 |
|
|
91 |
static inline void put_double(jdouble *from, intptr_t *to, int& pos) {
|
|
92 |
*(jdouble*) (to + 1 + pos) = *from;
|
|
93 |
pos += 2;
|
|
94 |
}
|
|
95 |
|
|
96 |
// The get_xxx routines, on the other hand, actually _do_ fetch
|
|
97 |
// java primitive types from the interpreter stack.
|
|
98 |
// No need to worry about alignment on Intel.
|
|
99 |
static inline jint get_int (intptr_t *from) { return *(jint *) from; }
|
|
100 |
static inline jlong get_long (intptr_t *from) { return *(jlong *) (from + _JNI_SLOT_OFFSET); }
|
|
101 |
static inline oop get_obj (intptr_t *from) { return *(oop *) from; }
|
|
102 |
static inline jfloat get_float (intptr_t *from) { return *(jfloat *) from; }
|
|
103 |
static inline jdouble get_double(intptr_t *from) { return *(jdouble *)(from + _JNI_SLOT_OFFSET); }
|
|
104 |
#undef _JNI_SLOT_OFFSET
|
|
105 |
};
|
|
106 |
|
|
107 |
#endif // CPU_AARCH64_VM_JNITYPES_AARCH64_HPP
|