Mercurial > hg > truffle
annotate src/cpu/ppc/vm/jniTypes_ppc.hpp @ 18357:09550eb6ddfb
replace use of '==' with .equals()
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 12 Nov 2014 15:33:20 +0100 |
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1 /* |
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2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright 2012, 2013 SAP AG. All rights reserved. |
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * |
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6 * This code is free software; you can redistribute it and/or modify it |
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7 * under the terms of the GNU General Public License version 2 only, as |
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8 * published by the Free Software Foundation. |
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9 * |
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10 * This code is distributed in the hope that it will be useful, but WITHOUT |
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 * version 2 for more details (a copy is included in the LICENSE file that |
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14 * accompanied this code). |
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15 * |
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16 * You should have received a copy of the GNU General Public License version |
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17 * 2 along with this work; if not, write to the Free Software Foundation, |
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 * |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
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23 * |
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24 */ |
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25 |
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26 #ifndef CPU_PPC_VM_JNITYPES_PPC_HPP |
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27 #define CPU_PPC_VM_JNITYPES_PPC_HPP |
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28 |
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29 #include "memory/allocation.hpp" |
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30 #include "oops/oop.hpp" |
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31 #include "prims/jni.h" |
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32 |
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33 // This file holds platform-dependent routines used to write primitive |
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34 // jni types to the array of arguments passed into JavaCalls::call. |
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35 |
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36 class JNITypes : AllStatic { |
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37 // These functions write a java primitive type (in native format) to |
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38 // a java stack slot array to be passed as an argument to |
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39 // JavaCalls:calls. I.e., they are functionally 'push' operations |
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40 // if they have a 'pos' formal parameter. Note that jlong's and |
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41 // jdouble's are written _in reverse_ of the order in which they |
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42 // appear in the interpreter stack. This is because call stubs (see |
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43 // stubGenerator_sparc.cpp) reverse the argument list constructed by |
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44 // JavaCallArguments (see javaCalls.hpp). |
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45 |
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46 private: |
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47 |
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48 #ifndef PPC64 |
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49 #error "ppc32 support currently not implemented!!!" |
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50 #endif // PPC64 |
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51 |
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52 public: |
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53 // Ints are stored in native format in one JavaCallArgument slot at *to. |
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54 static inline void put_int(jint from, intptr_t *to) { *(jint *)(to + 0 ) = from; } |
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55 static inline void put_int(jint from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = from; } |
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56 static inline void put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; } |
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57 |
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58 // Longs are stored in native format in one JavaCallArgument slot at |
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59 // *(to+1). |
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60 static inline void put_long(jlong from, intptr_t *to) { |
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61 *(jlong*) (to + 1) = from; |
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62 } |
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63 |
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64 static inline void put_long(jlong from, intptr_t *to, int& pos) { |
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65 *(jlong*) (to + 1 + pos) = from; |
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66 pos += 2; |
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67 } |
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68 |
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69 static inline void put_long(jlong *from, intptr_t *to, int& pos) { |
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70 *(jlong*) (to + 1 + pos) = *from; |
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71 pos += 2; |
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72 } |
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73 |
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74 // Oops are stored in native format in one JavaCallArgument slot at *to. |
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75 static inline void put_obj(oop from, intptr_t *to) { *(oop *)(to + 0 ) = from; } |
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76 static inline void put_obj(oop from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = from; } |
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77 static inline void put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; } |
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78 |
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79 // Floats are stored in native format in one JavaCallArgument slot at *to. |
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80 static inline void put_float(jfloat from, intptr_t *to) { *(jfloat *)(to + 0 ) = from; } |
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81 static inline void put_float(jfloat from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = from; } |
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82 static inline void put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; } |
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83 |
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84 // Doubles are stored in native word format in one JavaCallArgument |
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85 // slot at *(to+1). |
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86 static inline void put_double(jdouble from, intptr_t *to) { |
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87 *(jdouble*) (to + 1) = from; |
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88 } |
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89 |
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90 static inline void put_double(jdouble from, intptr_t *to, int& pos) { |
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91 *(jdouble*) (to + 1 + pos) = from; |
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92 pos += 2; |
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93 } |
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94 |
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95 static inline void put_double(jdouble *from, intptr_t *to, int& pos) { |
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96 *(jdouble*) (to + 1 + pos) = *from; |
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97 pos += 2; |
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98 } |
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99 |
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100 // The get_xxx routines, on the other hand, actually _do_ fetch |
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101 // java primitive types from the interpreter stack. |
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102 // No need to worry about alignment on Intel. |
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103 static inline jint get_int (intptr_t *from) { return *(jint *) from; } |
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104 static inline jlong get_long (intptr_t *from) { return *(jlong *) (from + 1); } |
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105 static inline oop get_obj (intptr_t *from) { return *(oop *) from; } |
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106 static inline jfloat get_float (intptr_t *from) { return *(jfloat *) from; } |
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107 static inline jdouble get_double(intptr_t *from) { return *(jdouble *)(from + 1); } |
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108 }; |
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109 |
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110 #endif // CPU_PPC_VM_JNITYPES_PPC_HPP |