Mercurial > hg > truffle
annotate src/cpu/x86/vm/graalCodeInstaller_x86.hpp @ 13350:2c3b59f34619
add CPUFeature EnumSet to target description with appropriate asserts
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Mon, 16 Dec 2013 09:31:19 -0800 |
parents | ff1d8605f354 |
children | 04a87dc2cfca |
rev | line source |
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1 /* |
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2 * Copyright (c) 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 #ifndef CPU_X86_VM_CODEINSTALLER_X86_HPP |
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24 #define CPU_X86_VM_CODEINSTALLER_X86_HPP |
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25 |
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26 #include "compiler/disassembler.hpp" |
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27 #include "runtime/javaCalls.hpp" |
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28 #include "graal/graalEnv.hpp" |
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29 #include "graal/graalCompiler.hpp" |
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30 #include "graal/graalCodeInstaller.hpp" |
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31 #include "graal/graalJavaAccess.hpp" |
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32 #include "graal/graalCompilerToVM.hpp" |
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33 #include "graal/graalRuntime.hpp" |
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34 #include "asm/register.hpp" |
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35 #include "classfile/vmSymbols.hpp" |
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36 #include "code/vmreg.hpp" |
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37 |
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38 inline jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, oop method) { |
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39 if (inst->is_call() || inst->is_jump()) { |
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40 assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size"); |
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41 return (pc_offset + NativeCall::instruction_size); |
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42 } else if (inst->is_mov_literal64()) { |
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43 // mov+call instruction pair |
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44 jint offset = pc_offset + NativeMovConstReg::instruction_size; |
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45 u_char* call = (u_char*) (_instructions->start() + offset); |
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46 assert((call[0] == 0x40 || call[0] == 0x41) && call[1] == 0xFF, "expected call with rex/rexb prefix byte"); |
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47 offset += 3; /* prefix byte + opcode byte + modrm byte */ |
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48 return (offset); |
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49 } else if (inst->is_call_reg()) { |
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50 // the inlined vtable stub contains a "call register" instruction |
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51 assert(method != NULL, "only valid for virtual calls"); |
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52 return (pc_offset + ((NativeCallReg *) inst)->next_instruction_offset()); |
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53 } else if (inst->is_cond_jump()) { |
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54 address pc = (address) (inst); |
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55 return pc_offset + (jint) (Assembler::locate_next_instruction(pc) - pc); |
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56 } else { |
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57 fatal("unsupported type of instruction for call site"); |
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58 return 0; |
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59 } |
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60 } |
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61 |
10684 | 62 inline void CodeInstaller::pd_site_DataPatch(int pc_offset, oop site) { |
63 int alignment = CompilationResult_DataPatch::alignment(site); | |
64 bool inlined = CompilationResult_DataPatch::inlined(site) == JNI_TRUE; | |
65 | |
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66 address pc = _instructions->start() + pc_offset; |
10684 | 67 |
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68 oop constant = CompilationResult_DataPatch::constant(site); |
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69 char typeChar; |
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70 if (constant != NULL) { |
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71 oop kind = Constant::kind(constant); |
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72 typeChar = Kind::typeChar(kind); |
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73 } else { |
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74 assert(!inlined, "cannot inline raw constants"); |
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75 typeChar = '*'; |
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76 } |
10684 | 77 |
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78 switch (typeChar) { |
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79 case 'z': |
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80 case 'b': |
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81 case 's': |
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82 case 'c': |
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83 case 'i': |
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84 fatal("int-sized values not expected in DataPatch"); |
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85 break; |
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86 case 'f': |
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87 case 'j': |
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88 case 'd': |
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89 case '*': { |
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90 if (inlined) { |
10684 | 91 address operand = Assembler::locate_operand(pc, Assembler::imm_operand); |
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92 *((jlong*) operand) = Constant::primitive(constant); |
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93 } else { |
10684 | 94 address operand = Assembler::locate_operand(pc, Assembler::disp32_operand); |
95 address next_instruction = Assembler::locate_next_instruction(pc); | |
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96 int size = _constants->size(); |
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97 if (alignment > 0) { |
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98 guarantee(alignment <= _constants->alignment(), "Alignment inside constants section is restricted by alignment of section begin"); |
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99 size = align_size_up(size, alignment); |
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100 } |
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101 // we don't care if this is a long/double/etc., the primitive field contains the right bits |
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102 address dest = _constants->start() + size; |
10684 | 103 _constants->set_end(dest); |
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104 if (constant != NULL) { |
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105 uint64_t value = Constant::primitive(constant); |
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106 _constants->emit_int64(value); |
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107 } else { |
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108 arrayOop rawConstant = arrayOop(CompilationResult_DataPatch::rawConstant(site)); |
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109 int8_t *ptr = (int8_t*) rawConstant->base(T_BYTE); |
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110 for (int i = rawConstant->length(); i > 0; i--, ptr++) { |
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111 _constants->emit_int8(*ptr); |
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112 } |
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113 } |
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114 |
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115 long disp = dest - next_instruction; |
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116 assert(disp == (jint) disp, "disp doesn't fit in 32 bits"); |
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117 *((jint*) operand) = (jint) disp; |
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118 |
10684 | 119 _instructions->relocate(pc, section_word_Relocation::spec((address) dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand); |
120 TRACE_graal_3("relocating (%c) at %p/%p with destination at %p (%d)", typeChar, pc, operand, dest, size); | |
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121 } |
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122 break; |
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123 } |
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124 case 'a': { |
10684 | 125 address operand = Assembler::locate_operand(pc, Assembler::imm_operand); |
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126 Handle obj = Constant::object(constant); |
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127 |
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128 jobject value = JNIHandles::make_local(obj()); |
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129 *((jobject*) operand) = value; |
10684 | 130 _instructions->relocate(pc, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); |
131 TRACE_graal_3("relocating (oop constant) at %p/%p", pc, operand); | |
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132 break; |
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133 } |
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134 default: |
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135 fatal(err_msg("unexpected Kind (%d) in DataPatch", typeChar)); |
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136 break; |
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137 } |
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138 } |
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139 |
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140 inline void CodeInstaller::pd_relocate_CodeBlob(CodeBlob* cb, NativeInstruction* inst) { |
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141 if (cb->is_nmethod()) { |
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142 nmethod* nm = (nmethod*) cb; |
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143 nativeJump_at((address)inst)->set_jump_destination(nm->verified_entry_point()); |
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144 } else { |
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145 nativeJump_at((address)inst)->set_jump_destination(cb->code_begin()); |
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146 } |
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147 _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand); |
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148 } |
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149 |
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150 inline void CodeInstaller::pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination) { |
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151 address pc = (address) inst; |
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152 if (inst->is_call()) { |
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153 // NOTE: for call without a mov, the offset must fit a 32-bit immediate |
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154 // see also CompilerToVM.getMaxCallTargetOffset() |
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155 NativeCall* call = nativeCall_at(pc); |
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156 call->set_destination((address) foreign_call_destination); |
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157 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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158 } else if (inst->is_mov_literal64()) { |
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159 NativeMovConstReg* mov = nativeMovConstReg_at(pc); |
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160 mov->set_data((intptr_t) foreign_call_destination); |
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161 _instructions->relocate(mov->instruction_address(), runtime_call_Relocation::spec(), Assembler::imm_operand); |
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162 } else if (inst->is_jump()) { |
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163 NativeJump* jump = nativeJump_at(pc); |
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164 jump->set_jump_destination((address) foreign_call_destination); |
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165 _instructions->relocate(jump->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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166 } else if (inst->is_cond_jump()) { |
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167 address old_dest = nativeGeneralJump_at(pc)->jump_destination(); |
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168 address disp = Assembler::locate_operand(pc, Assembler::call32_operand); |
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169 *(jint*) disp += ((address) foreign_call_destination) - old_dest; |
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170 _instructions->relocate(pc, runtime_call_Relocation::spec(), Assembler::call32_operand); |
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171 } else { |
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172 fatal("unsupported relocation for foreign call"); |
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173 } |
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174 |
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175 TRACE_graal_3("relocating (foreign call) at %p", inst); |
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176 } |
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177 |
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178 inline void CodeInstaller::pd_relocate_JavaMethod(oop hotspot_method, jint pc_offset) { |
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179 #ifdef ASSERT |
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180 Method* method = NULL; |
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181 // we need to check, this might also be an unresolved method |
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182 if (hotspot_method->is_a(HotSpotResolvedJavaMethod::klass())) { |
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183 method = getMethodFromHotSpotMethod(hotspot_method); |
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184 } |
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185 #endif |
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186 switch (_next_call_type) { |
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187 case MARK_INLINE_INVOKE: |
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188 break; |
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189 case MARK_INVOKEVIRTUAL: |
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190 case MARK_INVOKEINTERFACE: { |
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191 assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface"); |
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192 |
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193 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); |
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194 call->set_destination(SharedRuntime::get_resolve_virtual_call_stub()); |
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195 _instructions->relocate(call->instruction_address(), |
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196 virtual_call_Relocation::spec(_invoke_mark_pc), |
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197 Assembler::call32_operand); |
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198 break; |
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199 } |
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200 case MARK_INVOKESTATIC: { |
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201 assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic"); |
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202 |
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203 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); |
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204 call->set_destination(SharedRuntime::get_resolve_static_call_stub()); |
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205 _instructions->relocate(call->instruction_address(), |
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206 relocInfo::static_call_type, Assembler::call32_operand); |
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207 break; |
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208 } |
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209 case MARK_INVOKESPECIAL: { |
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210 assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial"); |
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211 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); |
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212 call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub()); |
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213 _instructions->relocate(call->instruction_address(), |
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214 relocInfo::opt_virtual_call_type, Assembler::call32_operand); |
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215 break; |
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216 } |
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217 default: |
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218 break; |
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219 } |
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220 } |
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221 |
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222 inline void CodeInstaller::pd_relocate_poll(address pc, jint mark) { |
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223 switch (mark) { |
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224 case MARK_POLL_NEAR: { |
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225 NativeInstruction* ni = nativeInstruction_at(pc); |
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226 int32_t* disp = (int32_t*) Assembler::locate_operand(pc, Assembler::disp32_operand); |
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227 // int32_t* disp = (int32_t*) Assembler::locate_operand(instruction, Assembler::disp32_operand); |
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228 int32_t offset = *disp; // The Java code installed the polling page offset into the disp32 operand |
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229 intptr_t new_disp = (intptr_t) (os::get_polling_page() + offset) - (intptr_t) ni; |
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230 *disp = (int32_t)new_disp; |
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231 } |
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232 case MARK_POLL_FAR: |
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233 _instructions->relocate(pc, relocInfo::poll_type); |
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234 break; |
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235 case MARK_POLL_RETURN_NEAR: { |
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236 NativeInstruction* ni = nativeInstruction_at(pc); |
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237 int32_t* disp = (int32_t*) Assembler::locate_operand(pc, Assembler::disp32_operand); |
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238 // int32_t* disp = (int32_t*) Assembler::locate_operand(instruction, Assembler::disp32_operand); |
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239 int32_t offset = *disp; // The Java code installed the polling page offset into the disp32 operand |
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240 intptr_t new_disp = (intptr_t) (os::get_polling_page() + offset) - (intptr_t) ni; |
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241 *disp = (int32_t)new_disp; |
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242 } |
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243 case MARK_POLL_RETURN_FAR: |
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244 _instructions->relocate(pc, relocInfo::poll_return_type); |
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245 break; |
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246 default: |
11799 | 247 fatal("invalid mark value"); |
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248 break; |
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249 } |
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250 } |
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251 |
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252 #endif // CPU_X86_VM_CODEINSTALLER_X86_HPP |
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253 |