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annotate src/cpu/x86/vm/graalCodeInstaller_x86.hpp @ 11827:ff1d8605f354

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graal code installer: minor style cleanup
author Bernhard Urban <bernhard.urban@jku.at>
date Mon, 30 Sep 2013 11:36:52 +0200
parents 2d3d3d36ab3c
children 04a87dc2cfca
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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62 inline void CodeInstaller::pd_site_DataPatch(int pc_offset, oop site) {
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63 int alignment = CompilationResult_DataPatch::alignment(site);
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64 bool inlined = CompilationResult_DataPatch::inlined(site) == JNI_TRUE;
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65
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66 address pc = _instructions->start() + pc_offset;
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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 }
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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) {
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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 {
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94 address operand = Assembler::locate_operand(pc, Assembler::disp32_operand);
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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;
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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
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119 _instructions->relocate(pc, section_word_Relocation::spec((address) dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand);
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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': {
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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;
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130 _instructions->relocate(pc, oop_Relocation::spec_for_immediate(), Assembler::imm_operand);
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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 }
0f7ca53be929 CR-806: Changes to build Graal for SPARC
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138 }
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diff changeset
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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diff changeset
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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diff changeset
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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diff changeset
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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diff changeset
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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diff changeset
191 assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface");
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192
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diff changeset
193 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
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diff changeset
194 call->set_destination(SharedRuntime::get_resolve_virtual_call_stub());
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195 _instructions->relocate(call->instruction_address(),
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diff changeset
196 virtual_call_Relocation::spec(_invoke_mark_pc),
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diff changeset
197 Assembler::call32_operand);
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198 break;
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diff changeset
199 }
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diff changeset
200 case MARK_INVOKESTATIC: {
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diff changeset
201 assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic");
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202
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diff changeset
203 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
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diff changeset
204 call->set_destination(SharedRuntime::get_resolve_static_call_stub());
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205 _instructions->relocate(call->instruction_address(),
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diff changeset
206 relocInfo::static_call_type, Assembler::call32_operand);
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diff changeset
207 break;
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diff changeset
208 }
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parents:
diff changeset
209 case MARK_INVOKESPECIAL: {
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diff changeset
210 assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial");
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diff changeset
211 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
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diff changeset
212 call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub());
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diff changeset
213 _instructions->relocate(call->instruction_address(),
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diff changeset
214 relocInfo::opt_virtual_call_type, Assembler::call32_operand);
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diff changeset
215 break;
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parents:
diff changeset
216 }
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parents:
diff changeset
217 default:
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diff changeset
218 break;
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parents:
diff changeset
219 }
0f7ca53be929 CR-806: Changes to build Graal for SPARC
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parents:
diff changeset
220 }
0f7ca53be929 CR-806: Changes to build Graal for SPARC
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diff changeset
221
11760
ce0b00597980 made safepoint-on-return use specialized HotSpot runtime support for such safepoints (which have no debug info attached)
Doug Simon <doug.simon@oracle.com>
parents: 10810
diff changeset
222 inline void CodeInstaller::pd_relocate_poll(address pc, jint mark) {
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diff changeset
223 switch (mark) {
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diff changeset
224 case MARK_POLL_NEAR: {
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diff changeset
225 NativeInstruction* ni = nativeInstruction_at(pc);
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diff changeset
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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diff changeset
228 int32_t offset = *disp; // The Java code installed the polling page offset into the disp32 operand
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diff changeset
229 intptr_t new_disp = (intptr_t) (os::get_polling_page() + offset) - (intptr_t) ni;
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diff changeset
230 *disp = (int32_t)new_disp;
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diff changeset
231 }
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diff changeset
232 case MARK_POLL_FAR:
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diff changeset
233 _instructions->relocate(pc, relocInfo::poll_type);
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diff changeset
234 break;
ce0b00597980 made safepoint-on-return use specialized HotSpot runtime support for such safepoints (which have no debug info attached)
Doug Simon <doug.simon@oracle.com>
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diff changeset
235 case MARK_POLL_RETURN_NEAR: {
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diff changeset
236 NativeInstruction* ni = nativeInstruction_at(pc);
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diff changeset
237 int32_t* disp = (int32_t*) Assembler::locate_operand(pc, Assembler::disp32_operand);
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diff changeset
238 // int32_t* disp = (int32_t*) Assembler::locate_operand(instruction, Assembler::disp32_operand);
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diff changeset
239 int32_t offset = *disp; // The Java code installed the polling page offset into the disp32 operand
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diff changeset
240 intptr_t new_disp = (intptr_t) (os::get_polling_page() + offset) - (intptr_t) ni;
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diff changeset
241 *disp = (int32_t)new_disp;
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diff changeset
242 }
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diff changeset
243 case MARK_POLL_RETURN_FAR:
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diff changeset
244 _instructions->relocate(pc, relocInfo::poll_return_type);
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diff changeset
245 break;
ce0b00597980 made safepoint-on-return use specialized HotSpot runtime support for such safepoints (which have no debug info attached)
Doug Simon <doug.simon@oracle.com>
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diff changeset
246 default:
11799
4c96ccce3772 SPARC: added CodeInstaller::pd_relocate_poll
twisti
parents: 11760
diff changeset
247 fatal("invalid mark value");
11760
ce0b00597980 made safepoint-on-return use specialized HotSpot runtime support for such safepoints (which have no debug info attached)
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diff changeset
248 break;
ce0b00597980 made safepoint-on-return use specialized HotSpot runtime support for such safepoints (which have no debug info attached)
Doug Simon <doug.simon@oracle.com>
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diff changeset
249 }
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250 }
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diff changeset
251
11760
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diff changeset
252 #endif // CPU_X86_VM_CODEINSTALLER_X86_HPP
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parents:
diff changeset
253