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1010
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1 /*
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2 * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
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3 * Copyright 2007 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 // We have interfaces for the following instructions:
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27 // - NativeInstruction
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28 // - - NativeCall
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29 // - - NativeMovConstReg
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30 // - - NativeMovConstRegPatching
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31 // - - NativeJump
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32 // - - NativeIllegalOpCode
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33 // - - NativeReturn
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34 // - - NativeReturnX (return with argument)
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35 // - - NativePushConst
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36 // - - NativeTstRegMem
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37
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38 // The base class for different kinds of native instruction abstractions.
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39 // Provides the primitive operations to manipulate code relative to this.
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40
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41 class NativeInstruction VALUE_OBJ_CLASS_SPEC {
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42 public:
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43 bool is_jump() {
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44 ShouldNotCallThis();
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45 }
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46
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47 bool is_safepoint_poll() {
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48 ShouldNotCallThis();
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49 }
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50 };
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51
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52 inline NativeInstruction* nativeInstruction_at(address address) {
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53 ShouldNotCallThis();
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54 }
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55
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56 class NativeCall : public NativeInstruction {
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57 public:
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58 enum zero_specific_constants {
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59 instruction_size = 0 // not used within the interpreter
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60 };
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61
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62 address instruction_address() const {
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63 ShouldNotCallThis();
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64 }
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65
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66 address next_instruction_address() const {
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67 ShouldNotCallThis();
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68 }
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69
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70 address return_address() const {
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71 ShouldNotCallThis();
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72 }
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73
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74 address destination() const {
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75 ShouldNotCallThis();
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76 }
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77
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78 void set_destination_mt_safe(address dest) {
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79 ShouldNotCallThis();
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80 }
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81
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82 void verify_alignment() {
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83 ShouldNotCallThis();
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84 }
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85
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86 void verify() {
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87 ShouldNotCallThis();
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88 }
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89
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90 static bool is_call_before(address return_address) {
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91 ShouldNotCallThis();
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92 }
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93 };
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94
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95 inline NativeCall* nativeCall_before(address return_address) {
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96 ShouldNotCallThis();
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97 }
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98
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99 inline NativeCall* nativeCall_at(address address) {
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100 ShouldNotCallThis();
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101 }
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102
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103 class NativeMovConstReg : public NativeInstruction {
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104 public:
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105 address next_instruction_address() const {
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106 ShouldNotCallThis();
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107 }
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108
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109 intptr_t data() const {
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110 ShouldNotCallThis();
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111 }
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112
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113 void set_data(intptr_t x) {
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114 ShouldNotCallThis();
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115 }
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116 };
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117
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118 inline NativeMovConstReg* nativeMovConstReg_at(address address) {
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119 ShouldNotCallThis();
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120 }
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121
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122 class NativeMovRegMem : public NativeInstruction {
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123 public:
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124 int offset() const {
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125 ShouldNotCallThis();
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126 }
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127
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128 void set_offset(intptr_t x) {
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129 ShouldNotCallThis();
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130 }
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131
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132 void add_offset_in_bytes(int add_offset) {
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133 ShouldNotCallThis();
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134 }
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135 };
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136
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137 inline NativeMovRegMem* nativeMovRegMem_at(address address) {
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138 ShouldNotCallThis();
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139 }
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140
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141 class NativeJump : public NativeInstruction {
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142 public:
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143 enum zero_specific_constants {
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144 instruction_size = 0 // not used within the interpreter
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145 };
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146
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147 address jump_destination() const {
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148 ShouldNotCallThis();
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149 }
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150
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151 void set_jump_destination(address dest) {
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152 ShouldNotCallThis();
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153 }
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154
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155 static void check_verified_entry_alignment(address entry,
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156 address verified_entry) {
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157 }
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158
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159 static void patch_verified_entry(address entry,
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160 address verified_entry,
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161 address dest);
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162 };
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163
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164 inline NativeJump* nativeJump_at(address address) {
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165 ShouldNotCallThis();
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166 }
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167
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168 class NativeGeneralJump : public NativeInstruction {
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169 public:
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170 address jump_destination() const {
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171 ShouldNotCallThis();
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172 }
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173
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174 static void insert_unconditional(address code_pos, address entry) {
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175 ShouldNotCallThis();
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176 }
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177
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178 static void replace_mt_safe(address instr_addr, address code_buffer) {
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179 ShouldNotCallThis();
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180 }
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181 };
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182
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183 inline NativeGeneralJump* nativeGeneralJump_at(address address) {
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184 ShouldNotCallThis();
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185 }
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