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annotate src/cpu/x86/vm/graalCodeInstaller_x86.cpp @ 17024:4e2d34d7715b

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[SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
author Stefan Anzinger <stefan.anzinger@oracle.com>
date Tue, 02 Sep 2014 17:16:26 -0700
parents 063ec2920d21
children c2270ad35f57
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1 /*
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2 * Copyright (c) 2013, 2014, 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 #include "precompiled.hpp"
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25 #include "compiler/disassembler.hpp"
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26 #include "runtime/javaCalls.hpp"
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27 #include "graal/graalEnv.hpp"
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28 #include "graal/graalCodeInstaller.hpp"
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29 #include "graal/graalJavaAccess.hpp"
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30 #include "graal/graalCompilerToVM.hpp"
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31 #include "graal/graalRuntime.hpp"
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32 #include "asm/register.hpp"
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33 #include "classfile/vmSymbols.hpp"
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34 #include "code/vmreg.hpp"
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35 #include "vmreg_x86.inline.hpp"
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36
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37 jint CodeInstaller::pd_next_offset(NativeInstruction* inst, jint pc_offset, oop method) {
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38 if (inst->is_call() || inst->is_jump()) {
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39 assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size");
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40 return (pc_offset + NativeCall::instruction_size);
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41 } else if (inst->is_mov_literal64()) {
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42 // mov+call instruction pair
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43 jint offset = pc_offset + NativeMovConstReg::instruction_size;
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44 u_char* call = (u_char*) (_instructions->start() + offset);
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45 assert((call[0] == 0x40 || call[0] == 0x41) && call[1] == 0xFF, "expected call with rex/rexb prefix byte");
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46 offset += 3; /* prefix byte + opcode byte + modrm byte */
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47 return (offset);
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48 } else if (inst->is_call_reg()) {
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49 // the inlined vtable stub contains a "call register" instruction
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50 assert(method != NULL, "only valid for virtual calls");
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51 return (pc_offset + ((NativeCallReg *) inst)->next_instruction_offset());
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52 } else if (inst->is_cond_jump()) {
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53 address pc = (address) (inst);
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54 return pc_offset + (jint) (Assembler::locate_next_instruction(pc) - pc);
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55 } else {
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56 fatal("unsupported type of instruction for call site");
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57 return 0;
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58 }
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59 }
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60
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61 void CodeInstaller::pd_patch_OopData(int pc_offset, oop data) {
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62 address pc = _instructions->start() + pc_offset;
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63 Handle obj = OopData::object(data);
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64 jobject value = JNIHandles::make_local(obj());
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65 if (OopData::compressed(data)) {
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66 address operand = Assembler::locate_operand(pc, Assembler::narrow_oop_operand);
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67 int oop_index = _oop_recorder->find_index(value);
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68 _instructions->relocate(pc, oop_Relocation::spec(oop_index), Assembler::narrow_oop_operand);
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69 TRACE_graal_3("relocating (narrow oop constant) at %p/%p", pc, operand);
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70 } else {
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71 address operand = Assembler::locate_operand(pc, Assembler::imm_operand);
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72 *((jobject*) operand) = value;
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73 _instructions->relocate(pc, oop_Relocation::spec_for_immediate(), Assembler::imm_operand);
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74 TRACE_graal_3("relocating (oop constant) at %p/%p", pc, operand);
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75 }
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76 }
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77
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78 void CodeInstaller::pd_patch_DataSectionReference(int pc_offset, oop data) {
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79 address pc = _instructions->start() + pc_offset;
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80 jint offset = DataSectionReference::offset(data);
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81
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82 address operand = Assembler::locate_operand(pc, Assembler::disp32_operand);
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83 address next_instruction = Assembler::locate_next_instruction(pc);
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84 address dest = _constants->start() + offset;
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85
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86 long disp = dest - next_instruction;
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87 assert(disp == (jint) disp, "disp doesn't fit in 32 bits");
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88 *((jint*) operand) = (jint) disp;
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89
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90 _instructions->relocate(pc, section_word_Relocation::spec((address) dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand);
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91 TRACE_graal_3("relocating at %p/%p with destination at %p (%d)", pc, operand, dest, offset);
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92 }
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93
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94 void CodeInstaller::pd_relocate_CodeBlob(CodeBlob* cb, NativeInstruction* inst) {
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95 if (cb->is_nmethod()) {
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96 nmethod* nm = (nmethod*) cb;
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97 nativeJump_at((address)inst)->set_jump_destination(nm->verified_entry_point());
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98 } else {
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99 nativeJump_at((address)inst)->set_jump_destination(cb->code_begin());
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100 }
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101 _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand);
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102 }
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103
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104 void CodeInstaller::pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination) {
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105 address pc = (address) inst;
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106 if (inst->is_call()) {
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107 // NOTE: for call without a mov, the offset must fit a 32-bit immediate
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108 // see also CompilerToVM.getMaxCallTargetOffset()
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109 NativeCall* call = nativeCall_at(pc);
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110 call->set_destination((address) foreign_call_destination);
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111 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand);
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112 } else if (inst->is_mov_literal64()) {
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113 NativeMovConstReg* mov = nativeMovConstReg_at(pc);
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114 mov->set_data((intptr_t) foreign_call_destination);
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115 _instructions->relocate(mov->instruction_address(), runtime_call_Relocation::spec(), Assembler::imm_operand);
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116 } else if (inst->is_jump()) {
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117 NativeJump* jump = nativeJump_at(pc);
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118 jump->set_jump_destination((address) foreign_call_destination);
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119 _instructions->relocate(jump->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand);
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120 } else if (inst->is_cond_jump()) {
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121 address old_dest = nativeGeneralJump_at(pc)->jump_destination();
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diff changeset
122 address disp = Assembler::locate_operand(pc, Assembler::call32_operand);
11826
2d3d3d36ab3c AMD64HotSpot: use conditional jump for IC_MISS_HANDLER
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diff changeset
123 *(jint*) disp += ((address) foreign_call_destination) - old_dest;
11827
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diff changeset
124 _instructions->relocate(pc, runtime_call_Relocation::spec(), Assembler::call32_operand);
11826
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diff changeset
125 } else {
2d3d3d36ab3c AMD64HotSpot: use conditional jump for IC_MISS_HANDLER
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diff changeset
126 fatal("unsupported relocation for foreign call");
9934
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diff changeset
127 }
11826
2d3d3d36ab3c AMD64HotSpot: use conditional jump for IC_MISS_HANDLER
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diff changeset
128
9934
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129 TRACE_graal_3("relocating (foreign call) at %p", inst);
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130 }
0f7ca53be929 CR-806: Changes to build Graal for SPARC
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131
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132 void CodeInstaller::pd_relocate_JavaMethod(oop hotspot_method, jint pc_offset) {
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diff changeset
133 #ifdef ASSERT
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134 Method* method = NULL;
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135 // we need to check, this might also be an unresolved method
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136 if (hotspot_method->is_a(HotSpotResolvedJavaMethod::klass())) {
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137 method = getMethodFromHotSpotMethod(hotspot_method);
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138 }
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diff changeset
139 #endif
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140 switch (_next_call_type) {
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diff changeset
141 case INLINE_INVOKE:
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142 break;
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diff changeset
143 case INVOKEVIRTUAL:
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diff changeset
144 case INVOKEINTERFACE: {
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145 assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface");
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146
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147 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
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148 call->set_destination(SharedRuntime::get_resolve_virtual_call_stub());
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149 _instructions->relocate(call->instruction_address(),
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150 virtual_call_Relocation::spec(_invoke_mark_pc),
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diff changeset
151 Assembler::call32_operand);
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152 break;
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153 }
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diff changeset
154 case INVOKESTATIC: {
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diff changeset
155 assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic");
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156
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157 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
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158 call->set_destination(SharedRuntime::get_resolve_static_call_stub());
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159 _instructions->relocate(call->instruction_address(),
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diff changeset
160 relocInfo::static_call_type, Assembler::call32_operand);
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161 break;
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162 }
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parents: 14561
diff changeset
163 case INVOKESPECIAL: {
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diff changeset
164 assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial");
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diff changeset
165 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset);
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166 call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub());
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167 _instructions->relocate(call->instruction_address(),
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diff changeset
168 relocInfo::opt_virtual_call_type, Assembler::call32_operand);
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diff changeset
169 break;
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170 }
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171 default:
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172 break;
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173 }
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174 }
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175
13485
04a87dc2cfca refactored common code into a separate function
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diff changeset
176 static void relocate_poll_near(address pc) {
04a87dc2cfca refactored common code into a separate function
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diff changeset
177 NativeInstruction* ni = nativeInstruction_at(pc);
04a87dc2cfca refactored common code into a separate function
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diff changeset
178 int32_t* disp = (int32_t*) Assembler::locate_operand(pc, Assembler::disp32_operand);
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diff changeset
179 int32_t offset = *disp; // The Java code installed the polling page offset into the disp32 operand
04a87dc2cfca refactored common code into a separate function
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diff changeset
180 intptr_t new_disp = (intptr_t) (os::get_polling_page() + offset) - (intptr_t) ni;
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diff changeset
181 *disp = (int32_t)new_disp;
04a87dc2cfca refactored common code into a separate function
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parents: 11827
diff changeset
182 }
04a87dc2cfca refactored common code into a separate function
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diff changeset
183
04a87dc2cfca refactored common code into a separate function
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diff changeset
184
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diff changeset
185 void CodeInstaller::pd_relocate_poll(address pc, jint mark) {
11760
ce0b00597980 made safepoint-on-return use specialized HotSpot runtime support for such safepoints (which have no debug info attached)
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parents: 10810
diff changeset
186 switch (mark) {
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diff changeset
187 case POLL_NEAR: {
13485
04a87dc2cfca refactored common code into a separate function
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diff changeset
188 relocate_poll_near(pc);
13553
d49f00604347 removed poll_Relocation::pollingForm type and associated data field and rely solely on format field of safepoint relocation entries when deciding whether or not to relocate the operand of a safepoint poll instruction
Doug Simon <doug.simon@oracle.com>
parents: 13520
diff changeset
189 _instructions->relocate(pc, relocInfo::poll_type, Assembler::disp32_operand);
13512
8085ce95b6f5 reloc info for safepoint polls includes whether the poison page is far or near
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diff changeset
190 break;
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diff changeset
191 }
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diff changeset
192 case POLL_FAR:
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4fc8c8bb4c32 removed Assembler::no_operand alias
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diff changeset
193 // This is a load from a register so there is no relocatable operand.
4fc8c8bb4c32 removed Assembler::no_operand alias
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diff changeset
194 // We just have to ensure that the format is not disp32_operand
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diff changeset
195 // so that poll_Relocation::fix_relocation_after_move does the right
4fc8c8bb4c32 removed Assembler::no_operand alias
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diff changeset
196 // thing (i.e. ignores this relocation record)
4fc8c8bb4c32 removed Assembler::no_operand alias
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diff changeset
197 _instructions->relocate(pc, relocInfo::poll_type, Assembler::imm_operand);
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
198 break;
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twisti
parents: 14561
diff changeset
199 case POLL_RETURN_NEAR: {
13485
04a87dc2cfca refactored common code into a separate function
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parents: 11827
diff changeset
200 relocate_poll_near(pc);
13553
d49f00604347 removed poll_Relocation::pollingForm type and associated data field and rely solely on format field of safepoint relocation entries when deciding whether or not to relocate the operand of a safepoint poll instruction
Doug Simon <doug.simon@oracle.com>
parents: 13520
diff changeset
201 _instructions->relocate(pc, relocInfo::poll_return_type, Assembler::disp32_operand);
13512
8085ce95b6f5 reloc info for safepoint polls includes whether the poison page is far or near
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parents: 13485
diff changeset
202 break;
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
203 }
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twisti
parents: 14561
diff changeset
204 case POLL_RETURN_FAR:
15123
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twisti
parents: 14574
diff changeset
205 // see comment above for POLL_FAR
13561
4fc8c8bb4c32 removed Assembler::no_operand alias
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parents: 13553
diff changeset
206 _instructions->relocate(pc, relocInfo::poll_return_type, Assembler::imm_operand);
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
207 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>
parents: 10810
diff changeset
208 default:
11799
4c96ccce3772 SPARC: added CodeInstaller::pd_relocate_poll
twisti
parents: 11760
diff changeset
209 fatal("invalid mark value");
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
210 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>
parents: 10810
diff changeset
211 }
9934
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parents:
diff changeset
212 }
17024
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 15582
diff changeset
213
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
214 // convert Graal register indices (as used in oop maps) to HotSpot registers
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
215 VMReg CodeInstaller::get_hotspot_reg(jint graal_reg) {
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
216 if (graal_reg < RegisterImpl::number_of_registers) {
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
217 return as_Register(graal_reg)->as_VMReg();
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
218 } else {
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
219 jint floatRegisterNumber = graal_reg - RegisterImpl::number_of_registers;
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
220 if (floatRegisterNumber < XMMRegisterImpl::number_of_registers) {
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
221 return as_XMMRegister(floatRegisterNumber)->as_VMReg();
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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diff changeset
222 }
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 15582
diff changeset
223 ShouldNotReachHere();
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
224 return NULL;
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
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parents: 15582
diff changeset
225 }
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 15582
diff changeset
226 }
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 15582
diff changeset
227
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 15582
diff changeset
228 bool CodeInstaller::is_general_purpose_reg(VMReg hotspotRegister) {
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 15582
diff changeset
229 return !(hotspotRegister->is_FloatRegister() || hotspotRegister->is_XMMRegister());
4e2d34d7715b [SPARC/AMD64] Splitting up oopmap generation for Intel XMM and SPARC Floatingpoint registers
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 15582
diff changeset
230 }