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annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents cefad50507d8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2008, 2013, 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/interpreter.hpp"
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28 #include "memory/allocation.inline.hpp"
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29 #include "prims/methodHandles.hpp"
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30
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31 #define __ _masm->
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32
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33 #ifdef PRODUCT
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34 #define BLOCK_COMMENT(str) /* nothing */
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35 #define STOP(error) stop(error)
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36 #else
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37 #define BLOCK_COMMENT(str) __ block_comment(str)
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38 #define STOP(error) block_comment(error); __ stop(error)
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39 #endif
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40
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41 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":")
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42
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43 // Workaround for C++ overloading nastiness on '0' for RegisterOrConstant.
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44 static RegisterOrConstant constant(int value) {
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45 return RegisterOrConstant(value);
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46 }
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47
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48 void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg) {
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49 if (VerifyMethodHandles)
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50 verify_klass(_masm, klass_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_Class), temp_reg, temp2_reg,
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51 "MH argument is a Class");
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52 __ ld_ptr(Address(klass_reg, java_lang_Class::klass_offset_in_bytes()), klass_reg);
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53 }
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54
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55 #ifdef ASSERT
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56 static int check_nonzero(const char* xname, int x) {
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57 assert(x != 0, err_msg("%s should be nonzero", xname));
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58 return x;
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59 }
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60 #define NONZERO(x) check_nonzero(#x, x)
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61 #else //ASSERT
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62 #define NONZERO(x) (x)
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63 #endif //ASSERT
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64
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65 #ifdef ASSERT
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66 void MethodHandles::verify_klass(MacroAssembler* _masm,
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67 Register obj_reg, SystemDictionary::WKID klass_id,
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68 Register temp_reg, Register temp2_reg,
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69 const char* error_message) {
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70 Klass** klass_addr = SystemDictionary::well_known_klass_addr(klass_id);
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71 KlassHandle klass = SystemDictionary::well_known_klass(klass_id);
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72 bool did_save = false;
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73 if (temp_reg == noreg || temp2_reg == noreg) {
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74 temp_reg = L1;
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75 temp2_reg = L2;
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76 __ save_frame_and_mov(0, obj_reg, L0);
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77 obj_reg = L0;
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78 did_save = true;
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79 }
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80 Label L_ok, L_bad;
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81 BLOCK_COMMENT("verify_klass {");
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82 __ verify_oop(obj_reg);
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83 __ br_null_short(obj_reg, Assembler::pn, L_bad);
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84 __ load_klass(obj_reg, temp_reg);
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85 __ set(ExternalAddress((Metadata**)klass_addr), temp2_reg);
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86 __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
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87 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok);
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88 intptr_t super_check_offset = klass->super_check_offset();
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89 __ ld_ptr(Address(temp_reg, super_check_offset), temp_reg);
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90 __ set(ExternalAddress((Metadata**)klass_addr), temp2_reg);
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91 __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
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92 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok);
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93 __ BIND(L_bad);
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94 if (did_save) __ restore();
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95 __ STOP(error_message);
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96 __ BIND(L_ok);
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97 if (did_save) __ restore();
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98 BLOCK_COMMENT("} verify_klass");
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99 }
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100
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101 void MethodHandles::verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) {
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102 Label L;
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103 BLOCK_COMMENT("verify_ref_kind {");
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104 __ lduw(Address(member_reg, NONZERO(java_lang_invoke_MemberName::flags_offset_in_bytes())), temp);
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105 __ srl( temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT, temp);
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106 __ and3(temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK, temp);
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107 __ cmp_and_br_short(temp, ref_kind, Assembler::equal, Assembler::pt, L);
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108 { char* buf = NEW_C_HEAP_ARRAY(char, 100, mtInternal);
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109 jio_snprintf(buf, 100, "verify_ref_kind expected %x", ref_kind);
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110 if (ref_kind == JVM_REF_invokeVirtual ||
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111 ref_kind == JVM_REF_invokeSpecial)
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112 // could do this for all ref_kinds, but would explode assembly code size
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113 trace_method_handle(_masm, buf);
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114 __ STOP(buf);
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115 }
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116 BLOCK_COMMENT("} verify_ref_kind");
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117 __ bind(L);
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118 }
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119
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120 #endif // ASSERT
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121
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122 void MethodHandles::jump_from_method_handle(MacroAssembler* _masm, Register method, Register target, Register temp,
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123 bool for_compiler_entry) {
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124 Label L_no_such_method;
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125 assert(method == G5_method, "interpreter calling convention");
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126 assert_different_registers(method, target, temp);
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127
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128 if (!for_compiler_entry && JvmtiExport::can_post_interpreter_events()) {
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129 Label run_compiled_code;
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130 // JVMTI events, such as single-stepping, are implemented partly by avoiding running
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131 // compiled code in threads for which the event is enabled. Check here for
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132 // interp_only_mode if these events CAN be enabled.
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133 __ verify_thread();
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134 const Address interp_only(G2_thread, JavaThread::interp_only_mode_offset());
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135 __ ld(interp_only, temp);
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136 __ cmp_and_br_short(temp, 0, Assembler::zero, Assembler::pt, run_compiled_code);
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137 // Null method test is replicated below in compiled case,
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138 // it might be able to address across the verify_thread()
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139 __ br_null_short(G5_method, Assembler::pn, L_no_such_method);
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140 __ ld_ptr(G5_method, in_bytes(Method::interpreter_entry_offset()), target);
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141 __ jmp(target, 0);
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142 __ delayed()->nop();
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143 __ BIND(run_compiled_code);
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144 // Note: we could fill some delay slots here, but
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145 // it doesn't matter, since this is interpreter code.
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146 }
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147
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148 // Compiled case, either static or fall-through from runtime conditional
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149 __ br_null_short(G5_method, Assembler::pn, L_no_such_method);
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150
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151 const ByteSize entry_offset = for_compiler_entry ? Method::from_compiled_offset() :
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152 Method::from_interpreted_offset();
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153 __ ld_ptr(G5_method, in_bytes(entry_offset), target);
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154 __ jmp(target, 0);
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155 __ delayed()->nop();
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156
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157 __ bind(L_no_such_method);
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158 AddressLiteral ame(StubRoutines::throw_AbstractMethodError_entry());
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159 __ jump_to(ame, temp);
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160 __ delayed()->nop();
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161 }
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162
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163 void MethodHandles::jump_to_lambda_form(MacroAssembler* _masm,
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164 Register recv, Register method_temp,
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165 Register temp2, Register temp3,
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166 bool for_compiler_entry) {
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167 BLOCK_COMMENT("jump_to_lambda_form {");
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168 // This is the initial entry point of a lazy method handle.
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169 // After type checking, it picks up the invoker from the LambdaForm.
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170 assert_different_registers(recv, method_temp, temp2); // temp3 is only passed on
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171 assert(method_temp == G5_method, "required register for loading method");
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172
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173 //NOT_PRODUCT({ FlagSetting fs(TraceMethodHandles, true); trace_method_handle(_masm, "LZMH"); });
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174
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175 // Load the invoker, as MH -> MH.form -> LF.vmentry
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176 __ verify_oop(recv);
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177 __ load_heap_oop(Address(recv, NONZERO(java_lang_invoke_MethodHandle::form_offset_in_bytes())), method_temp);
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178 __ verify_oop(method_temp);
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179 __ load_heap_oop(Address(method_temp, NONZERO(java_lang_invoke_LambdaForm::vmentry_offset_in_bytes())), method_temp);
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180 __ verify_oop(method_temp);
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181 // the following assumes that a Method* is normally compressed in the vmtarget field:
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182 __ ld_ptr( Address(method_temp, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes())), method_temp);
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183
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184 if (VerifyMethodHandles && !for_compiler_entry) {
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185 // make sure recv is already on stack
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186 __ ld_ptr(method_temp, in_bytes(Method::const_offset()), temp2);
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187 __ load_sized_value(Address(temp2, ConstMethod::size_of_parameters_offset()),
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188 temp2,
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189 sizeof(u2), /*is_signed*/ false);
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190 // assert(sizeof(u2) == sizeof(Method::_size_of_parameters), "");
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191 Label L;
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192 __ ld_ptr(__ argument_address(temp2, temp2, -1), temp2);
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193 __ cmp_and_br_short(temp2, recv, Assembler::equal, Assembler::pt, L);
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194 __ STOP("receiver not on stack");
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195 __ BIND(L);
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196 }
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197
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198 jump_from_method_handle(_masm, method_temp, temp2, temp3, for_compiler_entry);
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199 BLOCK_COMMENT("} jump_to_lambda_form");
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200 }
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201
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202
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203 // Code generation
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204 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm,
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205 vmIntrinsics::ID iid) {
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206 const bool not_for_compiler_entry = false; // this is the interpreter entry
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207 assert(is_signature_polymorphic(iid), "expected invoke iid");
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208 if (iid == vmIntrinsics::_invokeGeneric ||
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209 iid == vmIntrinsics::_compiledLambdaForm) {
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210 // Perhaps surprisingly, the symbolic references visible to Java are not directly used.
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211 // They are linked to Java-generated adapters via MethodHandleNatives.linkMethod.
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212 // They all allow an appendix argument.
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213 __ should_not_reach_here(); // empty stubs make SG sick
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214 return NULL;
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215 }
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216
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217 // I5_savedSP/O5_savedSP: sender SP (must preserve; see prepare_to_jump_from_interpreted)
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218 // G5_method: Method*
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219 // G4 (Gargs): incoming argument list (must preserve)
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220 // O0: used as temp to hold mh or receiver
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221 // O1, O4: garbage temps, blown away
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222 Register O1_scratch = O1;
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223 Register O4_param_size = O4; // size of parameters
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224
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225 // here's where control starts out:
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226 __ align(CodeEntryAlignment);
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227 address entry_point = __ pc();
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228
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229 if (VerifyMethodHandles) {
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230 Label L;
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231 BLOCK_COMMENT("verify_intrinsic_id {");
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232 __ ldub(Address(G5_method, Method::intrinsic_id_offset_in_bytes()), O1_scratch);
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233 __ cmp_and_br_short(O1_scratch, (int) iid, Assembler::equal, Assembler::pt, L);
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234 if (iid == vmIntrinsics::_linkToVirtual ||
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235 iid == vmIntrinsics::_linkToSpecial) {
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236 // could do this for all kinds, but would explode assembly code size
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237 trace_method_handle(_masm, "bad Method*::intrinsic_id");
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238 }
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239 __ STOP("bad Method*::intrinsic_id");
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240 __ bind(L);
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241 BLOCK_COMMENT("} verify_intrinsic_id");
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242 }
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243
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244 // First task: Find out how big the argument list is.
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245 Address O4_first_arg_addr;
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246 int ref_kind = signature_polymorphic_intrinsic_ref_kind(iid);
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247 assert(ref_kind != 0 || iid == vmIntrinsics::_invokeBasic, "must be _invokeBasic or a linkTo intrinsic");
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248 if (ref_kind == 0 || MethodHandles::ref_kind_has_receiver(ref_kind)) {
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249 __ ld_ptr(G5_method, in_bytes(Method::const_offset()), O4_param_size);
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250 __ load_sized_value(Address(O4_param_size, ConstMethod::size_of_parameters_offset()),
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251 O4_param_size,
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252 sizeof(u2), /*is_signed*/ false);
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253 // assert(sizeof(u2) == sizeof(Method::_size_of_parameters), "");
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254 O4_first_arg_addr = __ argument_address(O4_param_size, O4_param_size, -1);
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255 } else {
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256 DEBUG_ONLY(O4_param_size = noreg);
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257 }
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258
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259 Register O0_mh = noreg;
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260 if (!is_signature_polymorphic_static(iid)) {
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261 __ ld_ptr(O4_first_arg_addr, O0_mh = O0);
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262 DEBUG_ONLY(O4_param_size = noreg);
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263 }
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264
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265 // O4_first_arg_addr is live!
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266
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267 if (TraceMethodHandles) {
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268 if (O0_mh != noreg)
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269 __ mov(O0_mh, G3_method_handle); // make stub happy
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270 trace_method_handle_interpreter_entry(_masm, iid);
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271 }
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272
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273 if (iid == vmIntrinsics::_invokeBasic) {
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274 generate_method_handle_dispatch(_masm, iid, O0_mh, noreg, not_for_compiler_entry);
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275
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276 } else {
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277 // Adjust argument list by popping the trailing MemberName argument.
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278 Register O0_recv = noreg;
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279 if (MethodHandles::ref_kind_has_receiver(ref_kind)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
280 // Load the receiver (not the MH; the actual MemberName's receiver) up from the interpreter stack.
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diff changeset
281 __ ld_ptr(O4_first_arg_addr, O0_recv = O0);
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282 DEBUG_ONLY(O4_param_size = noreg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
283 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
284 Register G5_member = G5_method; // MemberName ptr; incoming method ptr is dead now
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diff changeset
285 __ ld_ptr(__ argument_address(constant(0)), G5_member);
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diff changeset
286 __ add(Gargs, Interpreter::stackElementSize, Gargs);
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diff changeset
287 generate_method_handle_dispatch(_masm, iid, O0_recv, G5_member, not_for_compiler_entry);
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288 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
289
1503
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diff changeset
290 return entry_point;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
291 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
292
6266
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diff changeset
293 void MethodHandles::generate_method_handle_dispatch(MacroAssembler* _masm,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
294 vmIntrinsics::ID iid,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 4824
diff changeset
295 Register receiver_reg,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
296 Register member_reg,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
297 bool for_compiler_entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
298 assert(is_signature_polymorphic(iid), "expected invoke iid");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
299 Register temp1 = (for_compiler_entry ? G1_scratch : O1);
6790
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300 Register temp2 = (for_compiler_entry ? G3_scratch : O2);
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diff changeset
301 Register temp3 = (for_compiler_entry ? G4_scratch : O3);
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diff changeset
302 Register temp4 = (for_compiler_entry ? noreg : O4);
6266
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diff changeset
303 if (for_compiler_entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
304 assert(receiver_reg == (iid == vmIntrinsics::_linkToStatic ? noreg : O0), "only valid assignment");
6790
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diff changeset
305 assert_different_registers(temp1, O0, O1, O2, O3, O4, O5);
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diff changeset
306 assert_different_registers(temp2, O0, O1, O2, O3, O4, O5);
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diff changeset
307 assert_different_registers(temp3, O0, O1, O2, O3, O4, O5);
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diff changeset
308 assert_different_registers(temp4, O0, O1, O2, O3, O4, O5);
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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diff changeset
309 } else {
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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diff changeset
310 assert_different_registers(temp1, temp2, temp3, temp4, O5_savedSP); // don't trash lastSP
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
311 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
312 if (receiver_reg != noreg) assert_different_registers(temp1, temp2, temp3, temp4, receiver_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
313 if (member_reg != noreg) assert_different_registers(temp1, temp2, temp3, temp4, member_reg);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
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parents: 710
diff changeset
314
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
315 if (iid == vmIntrinsics::_invokeBasic) {
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diff changeset
316 // indirect through MH.form.vmentry.vmtarget
6790
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diff changeset
317 jump_to_lambda_form(_masm, receiver_reg, G5_method, temp1, temp2, for_compiler_entry);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
318
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 4824
diff changeset
319 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
320 // The method is a member invoker used by direct method handles.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
321 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
322 // make sure the trailing argument really is a MemberName (caller responsibility)
6725
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coleenp
parents: 6266
diff changeset
323 verify_klass(_masm, member_reg, SystemDictionary::WK_KLASS_ENUM_NAME(MemberName_klass),
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
324 temp1, temp2,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
325 "MemberName required for invokeVirtual etc.");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
326 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
327
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
328 Address member_clazz( member_reg, NONZERO(java_lang_invoke_MemberName::clazz_offset_in_bytes()));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
329 Address member_vmindex( member_reg, NONZERO(java_lang_invoke_MemberName::vmindex_offset_in_bytes()));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
330 Address member_vmtarget( member_reg, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes()));
3442
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
331
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
332 Register temp1_recv_klass = temp1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
333 if (iid != vmIntrinsics::_linkToStatic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
334 __ verify_oop(receiver_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
335 if (iid == vmIntrinsics::_linkToSpecial) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
336 // Don't actually load the klass; just null-check the receiver.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
337 __ null_check(receiver_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
338 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
339 // load receiver klass itself
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
340 __ null_check(receiver_reg, oopDesc::klass_offset_in_bytes());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
341 __ load_klass(receiver_reg, temp1_recv_klass);
6740
75f33eecc1b3 7196681: NPG: Some JSR 292 tests crash in Windows exception handler
coleenp
parents: 6725
diff changeset
342 __ verify_klass_ptr(temp1_recv_klass);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
343 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
344 BLOCK_COMMENT("check_receiver {");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 4824
diff changeset
345 // The receiver for the MemberName must be in receiver_reg.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 4824
diff changeset
346 // Check the receiver against the MemberName.clazz
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
347 if (VerifyMethodHandles && iid == vmIntrinsics::_linkToSpecial) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
348 // Did not load it above...
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
349 __ load_klass(receiver_reg, temp1_recv_klass);
6740
75f33eecc1b3 7196681: NPG: Some JSR 292 tests crash in Windows exception handler
coleenp
parents: 6725
diff changeset
350 __ verify_klass_ptr(temp1_recv_klass);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
351 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
352 if (VerifyMethodHandles && iid != vmIntrinsics::_linkToInterface) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
353 Label L_ok;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
354 Register temp2_defc = temp2;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
355 __ load_heap_oop(member_clazz, temp2_defc);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
356 load_klass_from_Class(_masm, temp2_defc, temp3, temp4);
6740
75f33eecc1b3 7196681: NPG: Some JSR 292 tests crash in Windows exception handler
coleenp
parents: 6725
diff changeset
357 __ verify_klass_ptr(temp2_defc);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
358 __ check_klass_subtype(temp1_recv_klass, temp2_defc, temp3, temp4, L_ok);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
359 // If we get here, the type check failed!
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
360 __ STOP("receiver class disagrees with MemberName.clazz");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
361 __ bind(L_ok);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
362 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
363 BLOCK_COMMENT("} check_receiver");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
364 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
365 if (iid == vmIntrinsics::_linkToSpecial ||
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
366 iid == vmIntrinsics::_linkToStatic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
367 DEBUG_ONLY(temp1_recv_klass = noreg); // these guys didn't load the recv_klass
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
368 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
369
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
370 // Live registers at this point:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
371 // member_reg - MemberName that was the trailing argument
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
372 // temp1_recv_klass - klass of stacked receiver, if needed
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
373 // O5_savedSP - interpreter linkage (if interpreted)
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
374 // O0..O5 - compiler arguments (if compiled)
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
375
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
376 Label L_incompatible_class_change_error;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
377 switch (iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
378 case vmIntrinsics::_linkToSpecial:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
379 if (VerifyMethodHandles) {
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
380 verify_ref_kind(_masm, JVM_REF_invokeSpecial, member_reg, temp2);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
381 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
382 __ ld_ptr(member_vmtarget, G5_method);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
383 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
384
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
385 case vmIntrinsics::_linkToStatic:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
386 if (VerifyMethodHandles) {
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
387 verify_ref_kind(_masm, JVM_REF_invokeStatic, member_reg, temp2);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
388 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
389 __ ld_ptr(member_vmtarget, G5_method);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
390 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
391
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
392 case vmIntrinsics::_linkToVirtual:
3442
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
393 {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
394 // same as TemplateTable::invokevirtual,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
395 // minus the CP setup and profiling:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
396
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
397 if (VerifyMethodHandles) {
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
398 verify_ref_kind(_masm, JVM_REF_invokeVirtual, member_reg, temp2);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
399 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
400
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
401 // pick out the vtable index from the MemberName, and then we can discard it:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
402 Register temp2_index = temp2;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
403 __ ld_ptr(member_vmindex, temp2_index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
404
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
405 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
406 Label L_index_ok;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
407 __ cmp_and_br_short(temp2_index, (int) 0, Assembler::greaterEqual, Assembler::pn, L_index_ok);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
408 __ STOP("no virtual index");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
409 __ BIND(L_index_ok);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
410 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
411
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
412 // Note: The verifier invariants allow us to ignore MemberName.clazz and vmtarget
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
413 // at this point. And VerifyMethodHandles has already checked clazz, if needed.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
414
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6266
diff changeset
415 // get target Method* & entry point
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
416 __ lookup_virtual_method(temp1_recv_klass, temp2_index, G5_method);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
417 break;
3442
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
418 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
419
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
420 case vmIntrinsics::_linkToInterface:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
421 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
422 // same as TemplateTable::invokeinterface
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
423 // (minus the CP setup and profiling, with different argument motion)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
424 if (VerifyMethodHandles) {
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
425 verify_ref_kind(_masm, JVM_REF_invokeInterface, member_reg, temp2);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
426 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
427
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
428 Register temp2_intf = temp2;
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
429 __ load_heap_oop(member_clazz, temp2_intf);
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
430 load_klass_from_Class(_masm, temp2_intf, temp3, temp4);
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
431 __ verify_klass_ptr(temp2_intf);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
432
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
433 Register G5_index = G5_method;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
434 __ ld_ptr(member_vmindex, G5_index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
435 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
436 Label L;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
437 __ cmp_and_br_short(G5_index, 0, Assembler::greaterEqual, Assembler::pt, L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
438 __ STOP("invalid vtable index for MH.invokeInterface");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
439 __ bind(L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
440 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
441
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
442 // given intf, index, and recv klass, dispatch to the implementation method
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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diff changeset
443 __ lookup_interface_method(temp1_recv_klass, temp2_intf,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 4824
diff changeset
444 // note: next two args must be the same:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
445 G5_index, G5_method,
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
446 temp3, temp4,
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
447 L_incompatible_class_change_error);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
448 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
449 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
450
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
451 default:
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
452 fatal(err_msg_res("unexpected intrinsic %d: %s", iid, vmIntrinsics::name_at(iid)));
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
453 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
454 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
455
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 6740
diff changeset
456 // Live at this point:
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 6740
diff changeset
457 // G5_method
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 6740
diff changeset
458 // O5_savedSP (if interpreted)
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
459
6790
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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diff changeset
460 // After figuring out which concrete method to call, jump into it.
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
461 // Note that this works in the interpreter with no data motion.
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
462 // But the compiled version will require that rcx_recv be shifted out.
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
463 __ verify_method_ptr(G5_method);
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
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diff changeset
464 jump_from_method_handle(_masm, G5_method, temp1, temp2, for_compiler_entry);
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 6740
diff changeset
465
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 6740
diff changeset
466 if (iid == vmIntrinsics::_linkToInterface) {
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
467 __ BIND(L_incompatible_class_change_error);
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
468 AddressLiteral icce(StubRoutines::throw_IncompatibleClassChangeError_entry());
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 6740
diff changeset
469 __ jump_to(icce, temp1);
2cb2f30450c7 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
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diff changeset
470 __ delayed()->nop();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
471 }
3442
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
472 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
473 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
474
4824
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
475 #ifndef PRODUCT
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
476 void trace_method_handle_stub(const char* adaptername,
3336
2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents: 3277
diff changeset
477 oopDesc* mh,
4824
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
478 intptr_t* saved_sp,
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
479 intptr_t* args,
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
480 intptr_t* tracing_fp) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
481 bool has_mh = (strstr(adaptername, "/static") == NULL &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
482 strstr(adaptername, "linkTo") == NULL); // static linkers don't have MH
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
483 const char* mh_reg_name = has_mh ? "G3_mh" : "G3";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
484 tty->print_cr("MH %s %s="INTPTR_FORMAT " saved_sp=" INTPTR_FORMAT " args=" INTPTR_FORMAT,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
485 adaptername, mh_reg_name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
486 (intptr_t) mh, saved_sp, args);
4824
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
487
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
488 if (Verbose) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
489 // dumping last frame with frame::describe
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
490
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
491 JavaThread* p = JavaThread::active();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
492
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
493 ResourceMark rm;
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
494 PRESERVE_EXCEPTION_MARK; // may not be needed by safer and unexpensive here
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
495 FrameValues values;
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
496
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
497 // Note: We want to allow trace_method_handle from any call site.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
498 // While trace_method_handle creates a frame, it may be entered
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
499 // without a valid return PC in O7 (e.g. not just after a call).
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
500 // Walking that frame could lead to failures due to that invalid PC.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
501 // => carefully detect that frame when doing the stack walking
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
502
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
503 // walk up to the right frame using the "tracing_fp" argument
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
504 intptr_t* cur_sp = StubRoutines::Sparc::flush_callers_register_windows_func()();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
505 frame cur_frame(cur_sp, frame::unpatchable, NULL);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
506
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
507 while (cur_frame.fp() != (intptr_t *)(STACK_BIAS+(uintptr_t)tracing_fp)) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
508 cur_frame = os::get_sender_for_C_frame(&cur_frame);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
509 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
510
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
511 // safely create a frame and call frame::describe
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
512 intptr_t *dump_sp = cur_frame.sender_sp();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
513 intptr_t *dump_fp = cur_frame.link();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
514
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
515 bool walkable = has_mh; // whether the traced frame shoud be walkable
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
516
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
517 // the sender for cur_frame is the caller of trace_method_handle
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
518 if (walkable) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
519 // The previous definition of walkable may have to be refined
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
520 // if new call sites cause the next frame constructor to start
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
521 // failing. Alternatively, frame constructors could be
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
522 // modified to support the current or future non walkable
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
523 // frames (but this is more intrusive and is not considered as
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
524 // part of this RFE, which will instead use a simpler output).
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
525 frame dump_frame = frame(dump_sp,
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
526 cur_frame.sp(), // younger_sp
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
527 false); // no adaptation
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
528 dump_frame.describe(values, 1);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
529 } else {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
530 // Robust dump for frames which cannot be constructed from sp/younger_sp
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
531 // Add descriptions without building a Java frame to avoid issues
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
532 values.describe(-1, dump_fp, "fp for #1 <not parsed, cannot trust pc>");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
533 values.describe(-1, dump_sp, "sp");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
534 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
535
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
536 bool has_args = has_mh; // whether Gargs is meaningful
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
537
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
538 // mark args, if seems valid (may not be valid for some adapters)
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
539 if (has_args) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
540 if ((args >= dump_sp) && (args < dump_fp)) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
541 values.describe(-1, args, "*G4_args");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
542 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
543 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
544
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
545 // mark saved_sp, if seems valid (may not be valid for some adapters)
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
546 intptr_t *unbiased_sp = (intptr_t *)(STACK_BIAS+(uintptr_t)saved_sp);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 4824
diff changeset
547 const int ARG_LIMIT = 255, SLOP = 45, UNREASONABLE_STACK_MOVE = (ARG_LIMIT + SLOP);
4824
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
548 if ((unbiased_sp >= dump_sp - UNREASONABLE_STACK_MOVE) && (unbiased_sp < dump_fp)) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
549 values.describe(-1, unbiased_sp, "*saved_sp+STACK_BIAS");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
550 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
551
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
552 // Note: the unextended_sp may not be correct
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
553 tty->print_cr(" stack layout:");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 4818
diff changeset
554 values.print(p);
6266
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555 if (has_mh && mh->is_oop()) {
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556 mh->print();
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557 if (java_lang_invoke_MethodHandle::is_instance(mh)) {
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558 if (java_lang_invoke_MethodHandle::form_offset_in_bytes() != 0)
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559 java_lang_invoke_MethodHandle::form(mh)->print();
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560 }
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561 }
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562 }
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563 }
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564
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565 void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) {
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566 if (!TraceMethodHandles) return;
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567 BLOCK_COMMENT("trace_method_handle {");
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568 // save: Gargs, O5_savedSP
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569 __ save_frame(16); // need space for saving required FPU state
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570
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571 __ set((intptr_t) adaptername, O0);
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572 __ mov(G3_method_handle, O1);
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573 __ mov(I5_savedSP, O2);
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574 __ mov(Gargs, O3);
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575 __ mov(I6, O4); // frame identifier for safe stack walking
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576
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577 // Save scratched registers that might be needed. Robustness is more
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578 // important than optimizing the saves for this debug only code.
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579
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580 // save FP result, valid at some call sites (adapter_opt_return_float, ...)
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581 Address d_save(FP, -sizeof(jdouble) + STACK_BIAS);
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582 __ stf(FloatRegisterImpl::D, Ftos_d, d_save);
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583 // Safely save all globals but G2 (handled by call_VM_leaf) and G7
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584 // (OS reserved).
1849
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585 __ mov(G3_method_handle, L3);
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586 __ mov(Gargs, L4);
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587 __ mov(G5_method_type, L5);
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588 __ mov(G6, L6);
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589 __ mov(G1, L1);
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590
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591 __ call_VM_leaf(L2 /* for G2 */, CAST_FROM_FN_PTR(address, trace_method_handle_stub));
1849
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592
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593 __ mov(L3, G3_method_handle);
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594 __ mov(L4, Gargs);
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595 __ mov(L5, G5_method_type);
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596 __ mov(L6, G6);
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597 __ mov(L1, G1);
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598 __ ldf(FloatRegisterImpl::D, d_save, Ftos_d);
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599
1849
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600 __ restore();
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601 BLOCK_COMMENT("} trace_method_handle");
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602 }
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603 #endif // PRODUCT