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1010
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1 /*
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2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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3 * Copyright 2007, 2008 Red Hat, Inc.
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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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
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22 * have any questions.
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23 *
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24 */
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25
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26 // Platform specific for C++ based Interpreter
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27
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28 #if defined(PPC) || defined(SPARC) || defined(IA64)
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29 #define LOTS_OF_REGS // Use plenty of registers
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30 #else
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31 #undef LOTS_OF_REGS // Loser platforms
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32 #endif
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33
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34 private:
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35 interpreterState _self_link;
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36
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37 public:
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38 inline void set_locals(intptr_t* new_locals) {
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39 _locals = new_locals;
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40 }
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41 inline void set_method(methodOop new_method) {
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42 _method = new_method;
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43 }
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44 inline interpreterState self_link() {
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45 return _self_link;
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46 }
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47 inline void set_self_link(interpreterState new_self_link) {
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48 _self_link = new_self_link;
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49 }
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50 inline interpreterState prev_link() {
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51 return _prev_link;
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52 }
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53 inline void set_prev_link(interpreterState new_prev_link) {
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54 _prev_link = new_prev_link;
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55 }
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56 inline void set_stack_limit(intptr_t* new_stack_limit) {
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57 _stack_limit = new_stack_limit;
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58 }
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59 inline void set_stack_base(intptr_t* new_stack_base) {
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60 _stack_base = new_stack_base;
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61 }
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62 inline void set_monitor_base(BasicObjectLock *new_monitor_base) {
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63 _monitor_base = new_monitor_base;
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64 }
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65 inline void set_thread(JavaThread* new_thread) {
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66 _thread = new_thread;
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67 }
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68 inline void set_constants(constantPoolCacheOop new_constants) {
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69 _constants = new_constants;
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70 }
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71 inline oop oop_temp() {
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72 return _oop_temp;
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73 }
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74 inline oop *oop_temp_addr() {
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75 return &_oop_temp;
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76 }
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77 inline void set_oop_temp(oop new_oop_temp) {
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78 _oop_temp = new_oop_temp;
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79 }
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80 inline address callee_entry_point() {
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81 return _result._to_call._callee_entry_point;
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82 }
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83 inline address osr_buf() {
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84 return _result._osr._osr_buf;
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85 }
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86 inline address osr_entry() {
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87 return _result._osr._osr_entry;
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88 }
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89
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90 public:
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91 const char *name_of_field_at_address(address addr);
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92
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93 // The frame manager handles this
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94 #define SET_LAST_JAVA_FRAME()
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95 #define RESET_LAST_JAVA_FRAME()
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96
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97 // ZeroStack Implementation
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98
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99 #undef STACK_INT
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100 #undef STACK_FLOAT
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101 #undef STACK_ADDR
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102 #undef STACK_OBJECT
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103 #undef STACK_DOUBLE
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104 #undef STACK_LONG
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105
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106 #define GET_STACK_SLOT(offset) (*((intptr_t*) &topOfStack[-(offset)]))
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107 #define STACK_SLOT(offset) ((address) &topOfStack[-(offset)])
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108 #define STACK_ADDR(offset) (*((address *) &topOfStack[-(offset)]))
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109 #define STACK_INT(offset) (*((jint*) &topOfStack[-(offset)]))
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110 #define STACK_FLOAT(offset) (*((jfloat *) &topOfStack[-(offset)]))
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111 #define STACK_OBJECT(offset) (*((oop *) &topOfStack [-(offset)]))
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112 #define STACK_DOUBLE(offset) (((VMJavaVal64*) &topOfStack[-(offset)])->d)
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113 #define STACK_LONG(offset) (((VMJavaVal64 *) &topOfStack[-(offset)])->l)
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114
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115 #define SET_STACK_SLOT(value, offset) (*(intptr_t*)&topOfStack[-(offset)] = *(intptr_t*)(value))
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116 #define SET_STACK_ADDR(value, offset) (*((address *)&topOfStack[-(offset)]) = (value))
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117 #define SET_STACK_INT(value, offset) (*((jint *)&topOfStack[-(offset)]) = (value))
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118 #define SET_STACK_FLOAT(value, offset) (*((jfloat *)&topOfStack[-(offset)]) = (value))
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119 #define SET_STACK_OBJECT(value, offset) (*((oop *)&topOfStack[-(offset)]) = (value))
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120 #define SET_STACK_DOUBLE(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = (value))
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121 #define SET_STACK_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->d = \
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122 ((VMJavaVal64*)(addr))->d)
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123 #define SET_STACK_LONG(value, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = (value))
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124 #define SET_STACK_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&topOfStack[-(offset)])->l = \
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125 ((VMJavaVal64*)(addr))->l)
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126 // JavaLocals implementation
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127
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128 #define LOCALS_SLOT(offset) ((intptr_t*)&locals[-(offset)])
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129 #define LOCALS_ADDR(offset) ((address)locals[-(offset)])
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130 #define LOCALS_INT(offset) (*((jint*)&locals[-(offset)]))
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131 #define LOCALS_FLOAT(offset) (*((jfloat*)&locals[-(offset)]))
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132 #define LOCALS_OBJECT(offset) ((oop)locals[-(offset)])
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133 #define LOCALS_DOUBLE(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->d)
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134 #define LOCALS_LONG(offset) (((VMJavaVal64*)&locals[-((offset) + 1)])->l)
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135 #define LOCALS_LONG_AT(offset) (((address)&locals[-((offset) + 1)]))
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136 #define LOCALS_DOUBLE_AT(offset) (((address)&locals[-((offset) + 1)]))
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137
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138 #define SET_LOCALS_SLOT(value, offset) (*(intptr_t*)&locals[-(offset)] = *(intptr_t *)(value))
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139 #define SET_LOCALS_ADDR(value, offset) (*((address *)&locals[-(offset)]) = (value))
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140 #define SET_LOCALS_INT(value, offset) (*((jint *)&locals[-(offset)]) = (value))
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141 #define SET_LOCALS_FLOAT(value, offset) (*((jfloat *)&locals[-(offset)]) = (value))
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142 #define SET_LOCALS_OBJECT(value, offset) (*((oop *)&locals[-(offset)]) = (value))
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143 #define SET_LOCALS_DOUBLE(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = (value))
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144 #define SET_LOCALS_LONG(value, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = (value))
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145 #define SET_LOCALS_DOUBLE_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->d = \
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146 ((VMJavaVal64*)(addr))->d)
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147 #define SET_LOCALS_LONG_FROM_ADDR(addr, offset) (((VMJavaVal64*)&locals[-((offset)+1)])->l = \
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148 ((VMJavaVal64*)(addr))->l)
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