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1 /*
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196
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2 * Copyright 2002-2008 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 // Platform specific for C++ based Interpreter
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26 #define LOTS_OF_REGS /* Lets interpreter use plenty of registers */
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27
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28 private:
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29
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30 // save the bottom of the stack after frame manager setup. For ease of restoration after return
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31 // from recursive interpreter call
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32 intptr_t* _frame_bottom; /* saved bottom of frame manager frame */
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33 intptr_t* _last_Java_pc; /* pc to return to in frame manager */
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34 interpreterState _self_link; /* Previous interpreter state */ /* sometimes points to self??? */
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35 double _native_fresult; /* save result of native calls that might return floats */
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36 intptr_t _native_lresult; /* save result of native calls that might return handle/longs */
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37 public:
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38
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39 static void pd_layout_interpreterState(interpreterState istate, address last_Java_pc, intptr_t* last_Java_fp);
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40
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41
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42 #define SET_LAST_JAVA_FRAME()
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43
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44 #define RESET_LAST_JAVA_FRAME() THREAD->frame_anchor()->set_flags(0);
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45
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46 /*
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47 * Macros for accessing the stack.
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48 */
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49 #undef STACK_INT
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50 #undef STACK_FLOAT
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51 #undef STACK_ADDR
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52 #undef STACK_OBJECT
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53 #undef STACK_DOUBLE
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54 #undef STACK_LONG
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55 // JavaStack Implementation
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56
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57
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58 #define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)]))
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59 #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
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60 #define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)]))
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61 #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
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62 #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
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63 #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
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64 #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
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65 #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
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66
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67 #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
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68 #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
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69 #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
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70 #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
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71 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
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72 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
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73 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
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74 ((VMJavaVal64*)(addr))->d)
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75 #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
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76 #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
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77 ((VMJavaVal64*)(addr))->l)
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78
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79 #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
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80 #define LOCALS_ADDR(offset) ((address)locals[-(offset)])
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123
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81 #define LOCALS_INT(offset) (*((jint*)&locals[-(offset)]))
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82 #define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)]))
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83 #define LOCALS_OBJECT(offset) ((oop)locals[-(offset)])
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84 #define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d)
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85 #define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l)
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86 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
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87 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
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88
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89 #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
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90 #define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value))
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91 #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
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92 #define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value))
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93 #define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value))
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94 #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
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95 #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
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96 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
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97 ((VMJavaVal64*)(addr))->d)
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98 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \
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99 ((VMJavaVal64*)(addr))->l)
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