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annotate src/cpu/ppc/vm/bytecodeInterpreter_ppc.hpp @ 14408:ec28f9c041ff

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8019972: PPC64 (part 9): platform files for interpreter only VM. Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs. Reviewed-by: kvn
author goetz
date Fri, 02 Aug 2013 16:46:45 +0200
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children 018b357638aa
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14408
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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_BYTECODEINTERPRETER_PPC_HPP
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27 #define CPU_PPC_VM_BYTECODEINTERPRETER_PPC_HPP
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28
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29 // Platform specific for C++ based Interpreter
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30 #define LOTS_OF_REGS /* Lets interpreter use plenty of registers */
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31
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32 private:
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33
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34 // Save the bottom of the stack after frame manager setup. For ease of restoration after return
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35 // from recursive interpreter call.
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36 intptr_t* _frame_bottom; // Saved bottom of frame manager frame.
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37 address _last_Java_pc; // Pc to return to in frame manager.
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38 intptr_t* _last_Java_fp; // frame pointer
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39 intptr_t* _last_Java_sp; // stack pointer
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40 interpreterState _self_link; // Previous interpreter state // sometimes points to self???
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41 double _native_fresult; // Save result of native calls that might return floats.
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42 intptr_t _native_lresult; // Save result of native calls that might return handle/longs.
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43
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44 public:
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45 address last_Java_pc(void) { return _last_Java_pc; }
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46 intptr_t* last_Java_fp(void) { return _last_Java_fp; }
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47
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48 static ByteSize native_lresult_offset() {
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49 return byte_offset_of(BytecodeInterpreter, _native_lresult);
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50 }
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51
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52 static ByteSize native_fresult_offset() {
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53 return byte_offset_of(BytecodeInterpreter, _native_fresult);
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54 }
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55
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56 static void pd_layout_interpreterState(interpreterState istate, address last_Java_pc, intptr_t* last_Java_fp);
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57
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58 #define SET_LAST_JAVA_FRAME() THREAD->frame_anchor()->set(istate->_last_Java_sp, istate->_last_Java_pc);
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59 #define RESET_LAST_JAVA_FRAME() THREAD->frame_anchor()->clear();
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60
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61
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62 // Macros for accessing the stack.
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63 #undef STACK_INT
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64 #undef STACK_FLOAT
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65 #undef STACK_ADDR
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66 #undef STACK_OBJECT
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67 #undef STACK_DOUBLE
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68 #undef STACK_LONG
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69
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70 // JavaStack Implementation
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71 #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
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72 #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
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73 #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
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74 #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
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75 #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
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76 #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
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77
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78 #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
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79 #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
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80 #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
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81 #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
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82 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
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83 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
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84 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
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85 ((VMJavaVal64*)(addr))->d)
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86 #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
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87 #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
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88 ((VMJavaVal64*)(addr))->l)
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89 // JavaLocals implementation
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90
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91 #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
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92 #define LOCALS_ADDR(offset) ((address)locals[-(offset)])
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93 #define LOCALS_INT(offset) (*(jint*)&(locals[-(offset)]))
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94 #define LOCALS_OBJECT(offset) ((oop)locals[-(offset)])
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95 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
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96 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
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97
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98 #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
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99 #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
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100 #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
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101 #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
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102 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
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103
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104
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105 #endif // CPU_PPC_VM_BYTECODEINTERPRETER_PPC_PP