Mercurial > hg > truffle
annotate src/cpu/sparc/vm/jniTypes_sparc.hpp @ 4643:a47f7a901c7a
use GraphOrder in CanonicalizerPhase (leads to fewer iterations)
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Mon, 20 Feb 2012 14:22:23 +0100 |
parents | f95d63e2154a |
children | a7a93887b4c4 |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef CPU_SPARC_VM_JNITYPES_SPARC_HPP |
26 #define CPU_SPARC_VM_JNITYPES_SPARC_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 #include "oops/oop.hpp" | |
30 #include "prims/jni.h" | |
31 | |
0 | 32 // This file holds platform-dependent routines used to write primitive jni |
33 // types to the array of arguments passed into JavaCalls::call | |
34 | |
35 class JNITypes : AllStatic { | |
36 // These functions write a java primitive type (in native format) | |
37 // to a java stack slot array to be passed as an argument to JavaCalls:calls. | |
38 // I.e., they are functionally 'push' operations if they have a 'pos' | |
39 // formal parameter. Note that jlong's and jdouble's are written | |
40 // _in reverse_ of the order in which they appear in the interpreter | |
41 // stack. This is because call stubs (see stubGenerator_sparc.cpp) | |
42 // reverse the argument list constructed by JavaCallArguments (see | |
43 // javaCalls.hpp). | |
44 | |
45 private: | |
46 // Helper routines. | |
47 static inline void put_int2 (jint *from, jint *to) { to[0] = from[0]; to[1] = from[1]; } | |
48 static inline void put_int2 (jint *from, jint *to, int& pos) { put_int2 (from, (jint *)((intptr_t *)to + pos)); pos += 2; } | |
49 static inline void put_int2r(jint *from, jint *to) { to[0] = from[1]; to[1] = from[0]; } | |
50 static inline void put_int2r(jint *from, jint *to, int& pos) { put_int2r(from, (jint *)((intptr_t *)to + pos)); pos += 2; } | |
51 | |
52 public: | |
53 // Ints are stored in native format in one JavaCallArgument slot at *to. | |
54 static inline void put_int(jint from, intptr_t *to) { *(jint *)(to + 0 ) = from; } | |
55 static inline void put_int(jint from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = from; } | |
56 static inline void put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; } | |
57 | |
58 #ifdef _LP64 | |
59 // Longs are stored in native format in one JavaCallArgument slot at *(to+1). | |
60 static inline void put_long(jlong from, intptr_t *to) { *(jlong *)(to + 1 + 0) = from; } | |
61 static inline void put_long(jlong from, intptr_t *to, int& pos) { *(jlong *)(to + 1 + pos) = from; pos += 2; } | |
62 static inline void put_long(jlong *from, intptr_t *to, int& pos) { *(jlong *)(to + 1 + pos) = *from; pos += 2; } | |
63 #else | |
64 // Longs are stored in reversed native word format in two JavaCallArgument slots at *to. | |
65 // The high half is in *(to+1) and the low half in *to. | |
66 static inline void put_long(jlong from, intptr_t *to) { put_int2r((jint *)&from, (jint *)to); } | |
67 static inline void put_long(jlong from, intptr_t *to, int& pos) { put_int2r((jint *)&from, (jint *)to, pos); } | |
68 static inline void put_long(jlong *from, intptr_t *to, int& pos) { put_int2r((jint *) from, (jint *)to, pos); } | |
69 #endif | |
70 | |
71 // Oops are stored in native format in one JavaCallArgument slot at *to. | |
72 static inline void put_obj(oop from, intptr_t *to) { *(oop *)(to + 0 ) = from; } | |
73 static inline void put_obj(oop from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = from; } | |
74 static inline void put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; } | |
75 | |
76 // Floats are stored in native format in one JavaCallArgument slot at *to. | |
77 static inline void put_float(jfloat from, intptr_t *to) { *(jfloat *)(to + 0 ) = from; } | |
78 static inline void put_float(jfloat from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = from; } | |
79 static inline void put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; } | |
80 | |
81 #ifdef _LP64 | |
82 // Doubles are stored in native word format in one JavaCallArgument slot at *(to+1). | |
83 static inline void put_double(jdouble from, intptr_t *to) { *(jdouble *)(to + 1 + 0) = from; } | |
84 static inline void put_double(jdouble from, intptr_t *to, int& pos) { *(jdouble *)(to + 1 + pos) = from; pos += 2; } | |
85 static inline void put_double(jdouble *from, intptr_t *to, int& pos) { *(jdouble *)(to + 1 + pos) = *from; pos += 2; } | |
86 #else | |
87 // Doubles are stored in reversed native word format in two JavaCallArgument slots at *to. | |
88 static inline void put_double(jdouble from, intptr_t *to) { put_int2r((jint *)&from, (jint *)to); } | |
89 static inline void put_double(jdouble from, intptr_t *to, int& pos) { put_int2r((jint *)&from, (jint *)to, pos); } | |
90 static inline void put_double(jdouble *from, intptr_t *to, int& pos) { put_int2r((jint *) from, (jint *)to, pos); } | |
91 #endif | |
92 | |
93 // The get_xxx routines, on the other hand, actually _do_ fetch | |
94 // java primitive types from the interpreter stack. | |
95 static inline jint get_int(intptr_t *from) { return *(jint *)from; } | |
96 | |
97 #ifdef _LP64 | |
98 static inline jlong get_long(intptr_t *from) { return *(jlong *)from; } | |
99 #else | |
100 static inline jlong get_long(intptr_t *from) { return ((jlong)(*( signed int *)((jint *)from )) << 32) | | |
101 ((jlong)(*(unsigned int *)((jint *)from + 1)) << 0); } | |
102 #endif | |
103 | |
104 static inline oop get_obj(intptr_t *from) { return *(oop *)from; } | |
105 static inline jfloat get_float(intptr_t *from) { return *(jfloat *)from; } | |
106 | |
107 #ifdef _LP64 | |
108 static inline jdouble get_double(intptr_t *from) { return *(jdouble *)from; } | |
109 #else | |
110 static inline jdouble get_double(intptr_t *from) { jlong jl = ((jlong)(*( signed int *)((jint *)from )) << 32) | | |
111 ((jlong)(*(unsigned int *)((jint *)from + 1)) << 0); | |
112 return *(jdouble *)&jl; } | |
113 #endif | |
114 | |
115 }; | |
1972 | 116 |
117 #endif // CPU_SPARC_VM_JNITYPES_SPARC_HPP |