1 /* |
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2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "asm/macroAssembler.hpp" |
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27 #include "interpreter/bytecodeHistogram.hpp" |
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28 #include "interpreter/interpreter.hpp" |
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29 #include "interpreter/interpreterRuntime.hpp" |
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30 #include "interpreter/interp_masm.hpp" |
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31 #include "interpreter/templateInterpreterGenerator.hpp" |
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32 #include "interpreter/templateTable.hpp" |
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33 #include "oops/arrayOop.hpp" |
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34 #include "oops/methodData.hpp" |
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35 #include "oops/method.hpp" |
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36 #include "oops/oop.inline.hpp" |
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37 #include "prims/jvmtiExport.hpp" |
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38 #include "prims/jvmtiThreadState.hpp" |
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39 #include "prims/methodHandles.hpp" |
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40 #include "runtime/arguments.hpp" |
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41 #include "runtime/frame.inline.hpp" |
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42 #include "runtime/sharedRuntime.hpp" |
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43 #include "runtime/stubRoutines.hpp" |
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44 #include "runtime/synchronizer.hpp" |
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45 #include "runtime/timer.hpp" |
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46 #include "runtime/vframeArray.hpp" |
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47 #include "utilities/debug.hpp" |
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48 #ifdef COMPILER1 |
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49 #include "c1/c1_Runtime1.hpp" |
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50 #endif |
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51 |
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52 #define __ _masm-> |
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53 |
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54 //------------------------------------------------------------------------------------------------------------------------ |
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55 |
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56 address AbstractInterpreterGenerator::generate_slow_signature_handler() { |
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57 address entry = __ pc(); |
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58 // rbx,: method |
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59 // rcx: temporary |
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60 // rdi: pointer to locals |
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61 // rsp: end of copied parameters area |
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62 __ mov(rcx, rsp); |
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63 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::slow_signature_handler), rbx, rdi, rcx); |
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64 __ ret(0); |
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65 return entry; |
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66 } |
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67 |
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68 |
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69 address TemplateInterpreterGenerator::generate_math_entry(AbstractInterpreter::MethodKind kind) { |
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70 |
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71 // rbx,: Method* |
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72 // rcx: scratrch |
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73 // rsi: sender sp |
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74 |
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75 if (!InlineIntrinsics) return NULL; // Generate a vanilla entry |
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76 |
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77 address entry_point = __ pc(); |
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78 |
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79 // These don't need a safepoint check because they aren't virtually |
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80 // callable. We won't enter these intrinsics from compiled code. |
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81 // If in the future we added an intrinsic which was virtually callable |
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82 // we'd have to worry about how to safepoint so that this code is used. |
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83 |
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84 // mathematical functions inlined by compiler |
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85 // (interpreter must provide identical implementation |
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86 // in order to avoid monotonicity bugs when switching |
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87 // from interpreter to compiler in the middle of some |
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88 // computation) |
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89 // |
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90 // stack: [ ret adr ] <-- rsp |
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91 // [ lo(arg) ] |
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92 // [ hi(arg) ] |
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93 // |
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94 |
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95 // Note: For JDK 1.2 StrictMath doesn't exist and Math.sin/cos/sqrt are |
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96 // native methods. Interpreter::method_kind(...) does a check for |
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97 // native methods first before checking for intrinsic methods and |
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98 // thus will never select this entry point. Make sure it is not |
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99 // called accidentally since the SharedRuntime entry points will |
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100 // not work for JDK 1.2. |
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101 // |
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102 // We no longer need to check for JDK 1.2 since it's EOL'ed. |
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103 // The following check existed in pre 1.6 implementation, |
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104 // if (Universe::is_jdk12x_version()) { |
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105 // __ should_not_reach_here(); |
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106 // } |
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107 // Universe::is_jdk12x_version() always returns false since |
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108 // the JDK version is not yet determined when this method is called. |
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109 // This method is called during interpreter_init() whereas |
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110 // JDK version is only determined when universe2_init() is called. |
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111 |
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112 // Note: For JDK 1.3 StrictMath exists and Math.sin/cos/sqrt are |
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113 // java methods. Interpreter::method_kind(...) will select |
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114 // this entry point for the corresponding methods in JDK 1.3. |
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115 // get argument |
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116 __ fld_d(Address(rsp, 1*wordSize)); |
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117 switch (kind) { |
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118 case Interpreter::java_lang_math_sin : |
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119 __ trigfunc('s'); |
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120 break; |
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121 case Interpreter::java_lang_math_cos : |
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122 __ trigfunc('c'); |
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123 break; |
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124 case Interpreter::java_lang_math_tan : |
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125 __ trigfunc('t'); |
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126 break; |
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127 case Interpreter::java_lang_math_sqrt: |
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128 __ fsqrt(); |
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129 break; |
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130 case Interpreter::java_lang_math_abs: |
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131 __ fabs(); |
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132 break; |
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133 case Interpreter::java_lang_math_log: |
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134 __ subptr(rsp, 2 * wordSize); |
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135 __ fstp_d(Address(rsp, 0)); |
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136 if (VM_Version::supports_sse2()) { |
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137 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dlog()))); |
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138 } |
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139 else { |
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140 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::dlog))); |
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141 } |
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142 __ addptr(rsp, 2 * wordSize); |
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143 break; |
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144 case Interpreter::java_lang_math_log10: |
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145 __ flog10(); |
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146 // Store to stack to convert 80bit precision back to 64bits |
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147 __ push_fTOS(); |
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148 __ pop_fTOS(); |
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149 break; |
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150 case Interpreter::java_lang_math_pow: |
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151 __ fld_d(Address(rsp, 3*wordSize)); // second argument |
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152 __ pow_with_fallback(0); |
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153 // Store to stack to convert 80bit precision back to 64bits |
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154 __ push_fTOS(); |
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155 __ pop_fTOS(); |
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156 break; |
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157 case Interpreter::java_lang_math_exp: |
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158 __ subptr(rsp, 2*wordSize); |
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159 __ fstp_d(Address(rsp, 0)); |
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160 if (VM_Version::supports_sse2()) { |
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161 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dexp()))); |
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162 } else { |
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163 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::dexp))); |
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164 } |
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165 __ addptr(rsp, 2*wordSize); |
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166 break; |
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167 default : |
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168 ShouldNotReachHere(); |
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169 } |
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170 |
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171 // return double result in xmm0 for interpreter and compilers. |
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172 if (UseSSE >= 2) { |
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173 __ subptr(rsp, 2*wordSize); |
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174 __ fstp_d(Address(rsp, 0)); |
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175 __ movdbl(xmm0, Address(rsp, 0)); |
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176 __ addptr(rsp, 2*wordSize); |
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177 } |
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178 |
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179 // done, result in FPU ST(0) or XMM0 |
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180 __ pop(rdi); // get return address |
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181 __ mov(rsp, rsi); // set sp to sender sp |
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182 __ jmp(rdi); |
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183 |
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184 return entry_point; |
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185 } |
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