Mercurial > hg > truffle
annotate src/share/vm/c1x/c1x_CodeInstaller.cpp @ 2645:b2c1e959be46
Clean up around BlockBegin / StdEntry.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 11 May 2011 14:34:29 +0200 |
parents | a384fac3fd34 |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2011, 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 "c1x/c1x_Compiler.hpp" |
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26 #include "c1x/c1x_CodeInstaller.hpp" |
2046 | 27 #include "c1x/c1x_JavaAccess.hpp" |
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28 #include "c1x/c1x_VmIds.hpp" |
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29 #include "c1/c1_Runtime1.hpp" |
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30 #include "classfile/vmSymbols.hpp" |
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31 #include "vmreg_x86.inline.hpp" |
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32 |
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33 |
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34 // TODO this should be handled in a more robust way - not hard coded... |
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35 Register CPU_REGS[] = { rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15 }; |
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36 bool OOP_ALLOWED[] = {true, true, true, true, false, false, true, true, true, true, false, true, true, true, true, true}; |
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37 const static int NUM_CPU_REGS = sizeof(CPU_REGS) / sizeof(Register); |
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38 XMMRegister XMM_REGS[] = { xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15 }; |
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39 const static int NUM_XMM_REGS = sizeof(XMM_REGS) / sizeof(XMMRegister); |
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40 const static int NUM_REGS = NUM_CPU_REGS + NUM_XMM_REGS; |
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41 const static jlong NO_REF_MAP = 0x8000000000000000L; |
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42 |
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43 // convert c1x register indices (as used in oop maps) to hotspot registers |
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44 VMReg get_hotspot_reg(jint c1x_reg) { |
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45 |
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46 assert(c1x_reg >= 0 && c1x_reg < NUM_REGS, "invalid register number"); |
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47 if (c1x_reg < NUM_CPU_REGS) { |
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48 return CPU_REGS[c1x_reg]->as_VMReg(); |
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49 } else { |
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50 return XMM_REGS[c1x_reg - NUM_CPU_REGS]->as_VMReg(); |
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51 } |
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52 } |
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53 |
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54 static bool is_bit_set(oop bit_map, int i) { |
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55 const int MapWordBits = 64; |
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56 if (i < MapWordBits) { |
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57 jlong low = CiBitMap::low(bit_map); |
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58 return (low & (1LL << i)) != 0; |
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59 } else { |
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60 jint extra_idx = (i - MapWordBits) / MapWordBits; |
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61 arrayOop extra = (arrayOop) CiBitMap::extra(bit_map); |
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62 assert(extra_idx >= 0 && extra_idx < extra->length(), "unexpected index"); |
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63 jlong word = ((jlong*) extra->base(T_LONG))[extra_idx]; |
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64 return (word & (1LL << (i % MapWordBits))) != 0; |
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65 } |
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66 } |
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67 |
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68 // creates a hotspot oop map out of the byte arrays provided by CiDebugInfo |
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69 static OopMap* create_oop_map(jint frame_size, jint parameter_count, oop debug_info) { |
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70 OopMap* map = new OopMap(frame_size, parameter_count); |
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71 oop register_map = (oop) CiDebugInfo::registerRefMap(debug_info); |
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72 oop frame_map = (oop) CiDebugInfo::frameRefMap(debug_info); |
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73 |
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74 if (register_map != NULL) { |
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75 assert(CiBitMap::size(register_map) == (unsigned) NUM_CPU_REGS, "unexpected register_map length"); |
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76 for (jint i = 0; i < NUM_CPU_REGS; i++) { |
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77 bool is_oop = is_bit_set(register_map, i); |
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78 VMReg reg = get_hotspot_reg(i); |
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79 if (is_oop) { |
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80 assert(OOP_ALLOWED[i], "this register may never be an oop, register map misaligned?"); |
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81 map->set_oop(reg); |
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82 } else { |
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83 map->set_value(reg); |
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84 } |
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85 } |
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86 } |
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87 |
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88 if (frame_size > 0) { |
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89 assert(CiBitMap::size(frame_map) == frame_size / HeapWordSize, "unexpected frame_map length"); |
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90 |
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91 for (jint i = 0; i < frame_size / HeapWordSize; i++) { |
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92 bool is_oop = is_bit_set(frame_map, i); |
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93 // hotspot stack slots are 4 bytes |
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94 VMReg reg = VMRegImpl::stack2reg(i * 2); |
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95 if (is_oop) { |
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96 map->set_oop(reg); |
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97 } else { |
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98 map->set_value(reg); |
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99 } |
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100 } |
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101 } else { |
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102 assert(frame_map == NULL || CiBitMap::size(frame_map) == 0, "cannot have frame_map for frames with size 0"); |
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103 } |
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104 |
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105 return map; |
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106 } |
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107 |
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108 // TODO: finish this - c1x doesn't provide any scope values at the moment |
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109 static ScopeValue* get_hotspot_value(oop value, int frame_size) { |
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110 if (value == CiValue::IllegalValue()) { |
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111 return new LocationValue(Location::new_stk_loc(Location::invalid, 0)); |
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112 } |
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113 |
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114 BasicType type = C1XCompiler::kindToBasicType(CiKind::typeChar(CiValue::kind(value))); |
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115 Location::Type locationType = Location::normal; |
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116 if (type == T_OBJECT || type == T_ARRAY) locationType = Location::oop; |
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117 if (value->is_a(CiRegisterValue::klass())) { |
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118 jint number = CiRegister::number(CiRegisterValue::reg(value)); |
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119 if (number < 16) { |
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120 return new LocationValue(Location::new_reg_loc(locationType, as_Register(number)->as_VMReg())); |
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121 } else { |
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122 return new LocationValue(Location::new_reg_loc(locationType, as_XMMRegister(number - 16)->as_VMReg())); |
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123 } |
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124 } else if (value->is_a(CiStackSlot::klass())) { |
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125 jint index = CiStackSlot::index(value); |
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126 if (index >= 0) { |
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127 return new LocationValue(Location::new_stk_loc(locationType, index * HeapWordSize)); |
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128 } else { |
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129 int frame_size_bytes = frame_size + 2 * HeapWordSize; |
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130 return new LocationValue(Location::new_stk_loc(locationType, -(index * HeapWordSize) + frame_size_bytes)); |
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131 } |
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132 } else if (value->is_a(CiConstant::klass())){ |
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133 oop obj = CiConstant::object(value); |
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134 jlong prim = CiConstant::primitive(value); |
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135 if (type == T_INT || type == T_FLOAT || type == T_SHORT || type == T_CHAR || type == T_BOOLEAN || type == T_BYTE) { |
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136 return new ConstantIntValue(*(jint*)&prim); |
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137 } else if (type == T_LONG || type == T_DOUBLE) { |
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138 return new ConstantLongValue(prim); |
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139 } else if (type == T_OBJECT) { |
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140 oop obj = CiConstant::object(value); |
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141 if (obj == NULL) { |
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142 return new ConstantOopWriteValue(NULL); |
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143 } else { |
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144 return new ConstantOopWriteValue(JNIHandles::make_global(obj)); |
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145 } |
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146 } else if (type == T_ADDRESS) { |
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147 return new ConstantLongValue(prim); |
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148 } |
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149 tty->print("%i", type); |
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150 } else { |
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151 value->klass()->print(); |
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152 value->print(); |
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153 } |
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154 ShouldNotReachHere(); |
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155 return NULL; |
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156 } |
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157 |
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158 // constructor used to create a method |
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159 CodeInstaller::CodeInstaller(Handle target_method) { |
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160 ciMethod *ciMethodObject = NULL; |
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161 { |
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162 No_Safepoint_Verifier no_safepoint; |
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163 _env = CURRENT_ENV; |
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164 |
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165 initialize_fields(target_method); |
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166 assert(_hotspot_method != NULL && _name == NULL, "installMethod needs NON-NULL method and NULL name"); |
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167 assert(_hotspot_method->is_a(HotSpotMethodResolved::klass()), "installMethod needs a HotSpotMethodResolved"); |
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168 |
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169 methodOop method = VmIds::get<methodOop>(HotSpotMethodResolved::vmId(_hotspot_method)); |
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170 ciMethodObject = (ciMethod *) _env->get_object(method); |
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171 _parameter_count = method->size_of_parameters(); |
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172 } |
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173 |
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174 // (very) conservative estimate: each site needs a relocation |
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175 //CodeBuffer buffer("temp c1x method", _total_size, _sites->length() * relocInfo::length_limit); |
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176 CodeBuffer buffer(CompilerThread::current()->get_buffer_blob()); |
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177 initialize_buffer(buffer); |
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178 process_exception_handlers(); |
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179 |
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180 int stack_slots = (_frame_size / HeapWordSize) + 2; // conversion to words, need to add two slots for ret address and frame pointer |
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181 ThreadToNativeFromVM t((JavaThread*) Thread::current()); |
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182 _env->register_method(ciMethodObject, -1, &_offsets, _custom_stack_area_offset, &buffer, stack_slots, _debug_recorder->_oopmaps, &_exception_handler_table, |
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183 &_implicit_exception_table, C1XCompiler::instance(), _env->comp_level(), false, false); |
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184 |
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185 } |
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186 |
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187 // constructor used to create a stub |
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188 CodeInstaller::CodeInstaller(Handle target_method, jlong& id) { |
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189 No_Safepoint_Verifier no_safepoint; |
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190 _env = CURRENT_ENV; |
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191 |
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192 initialize_fields(target_method); |
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193 assert(_hotspot_method == NULL && _name != NULL, "installMethod needs NON-NULL name and NULL method"); |
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194 |
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195 // (very) conservative estimate: each site needs a relocation |
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196 CodeBuffer buffer(CompilerThread::current()->get_buffer_blob()); |
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197 initialize_buffer(buffer); |
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198 |
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199 const char* cname = java_lang_String::as_utf8_string(_name); |
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200 BufferBlob* blob = BufferBlob::create(strdup(cname), &buffer); // this is leaking strings... but only a limited number of stubs will be created |
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201 IF_TRACE_C1X_3 Disassembler::decode((CodeBlob*) blob); |
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202 id = VmIds::addStub(blob->code_begin()); |
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203 } |
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204 |
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205 void CodeInstaller::initialize_fields(Handle target_method) { |
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206 _citarget_method = HotSpotTargetMethod::targetMethod(target_method); |
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207 _hotspot_method = HotSpotTargetMethod::method(target_method); |
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208 _name = HotSpotTargetMethod::name(target_method); |
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209 _sites = (arrayOop) HotSpotTargetMethod::sites(target_method); |
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210 oop assumptions = CiTargetMethod::assumptions(_citarget_method); |
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211 if (assumptions != NULL) { |
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212 _assumptions = (arrayOop) CiAssumptions::list(assumptions); |
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213 } else { |
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214 _assumptions = NULL; |
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215 } |
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216 _exception_handlers = (arrayOop) HotSpotTargetMethod::exceptionHandlers(target_method); |
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217 |
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218 _code = (arrayOop) CiTargetMethod::targetCode(_citarget_method); |
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219 _code_size = CiTargetMethod::targetCodeSize(_citarget_method); |
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220 _frame_size = CiTargetMethod::frameSize(_citarget_method); |
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221 _custom_stack_area_offset = CiTargetMethod::customStackAreaOffset(_citarget_method); |
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222 |
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223 |
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224 // (very) conservative estimate: each site needs a constant section entry |
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225 _constants_size = _sites->length() * (BytesPerLong*2); |
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226 _total_size = align_size_up(_code_size, HeapWordSize) + _constants_size; |
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227 |
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228 _next_call_type = MARK_INVOKE_INVALID; |
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229 } |
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230 |
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231 // perform data and call relocation on the CodeBuffer |
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232 void CodeInstaller::initialize_buffer(CodeBuffer& buffer) { |
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233 int locs_buffer_size = _sites->length() * (relocInfo::length_limit + sizeof(relocInfo)); |
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234 char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size); |
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235 buffer.insts()->initialize_shared_locs((relocInfo*)locs_buffer, locs_buffer_size / sizeof(relocInfo)); |
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236 buffer.initialize_stubs_size(256); |
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237 buffer.initialize_consts_size(_constants_size); |
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238 |
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239 _oop_recorder = new OopRecorder(_env->arena()); |
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240 _env->set_oop_recorder(_oop_recorder); |
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241 _debug_recorder = new DebugInformationRecorder(_env->oop_recorder()); |
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242 _debug_recorder->set_oopmaps(new OopMapSet()); |
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243 _dependencies = new Dependencies(_env); |
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244 |
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245 _env->set_oop_recorder(_oop_recorder); |
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246 _env->set_debug_info(_debug_recorder); |
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247 _env->set_dependencies(_dependencies); |
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248 buffer.initialize_oop_recorder(_oop_recorder); |
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249 |
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250 _instructions = buffer.insts(); |
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251 _constants = buffer.consts(); |
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252 |
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253 // copy the code into the newly created CodeBuffer |
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254 memcpy(_instructions->start(), _code->base(T_BYTE), _code_size); |
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255 _instructions->set_end(_instructions->start() + _code_size); |
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256 |
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257 oop* sites = (oop*) _sites->base(T_OBJECT); |
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258 for (int i = 0; i < _sites->length(); i++) { |
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259 oop site = sites[i]; |
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260 jint pc_offset = CiTargetMethod_Site::pcOffset(site); |
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261 |
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262 if (site->is_a(CiTargetMethod_Safepoint::klass())) { |
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263 TRACE_C1X_4("safepoint at %i", pc_offset); |
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264 site_Safepoint(buffer, pc_offset, site); |
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265 } else if (site->is_a(CiTargetMethod_Call::klass())) { |
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266 TRACE_C1X_4("call at %i", pc_offset); |
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267 site_Call(buffer, pc_offset, site); |
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268 } else if (site->is_a(CiTargetMethod_DataPatch::klass())) { |
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269 TRACE_C1X_4("datapatch at %i", pc_offset); |
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270 site_DataPatch(buffer, pc_offset, site); |
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271 } else if (site->is_a(CiTargetMethod_Mark::klass())) { |
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272 TRACE_C1X_4("mark at %i", pc_offset); |
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273 site_Mark(buffer, pc_offset, site); |
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274 } else { |
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275 fatal("unexpected Site subclass"); |
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276 } |
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277 } |
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278 |
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279 |
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280 if (_assumptions != NULL) { |
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281 oop* assumptions = (oop*) _assumptions->base(T_OBJECT); |
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282 for (int i = 0; i < _assumptions->length(); ++i) { |
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283 oop assumption = assumptions[i]; |
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284 if (assumption != NULL) { |
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285 if (assumption->is_a(CiAssumptions_ConcreteSubtype::klass())) { |
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286 assumption_ConcreteSubtype(assumption); |
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287 } else if (assumption->is_a(CiAssumptions_ConcreteMethod::klass())) { |
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288 assumption_ConcreteMethod(assumption); |
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289 } else { |
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290 fatal("unexpected Assumption subclass"); |
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291 } |
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292 } |
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293 } |
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294 } |
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295 } |
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296 |
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297 void CodeInstaller::assumption_ConcreteSubtype(oop assumption) { |
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298 oop context_oop = CiAssumptions_ConcreteSubtype::context(assumption); |
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299 oop type_oop = CiAssumptions_ConcreteSubtype::subtype(assumption); |
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300 |
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301 ciKlass* context = (ciKlass*) CURRENT_ENV->get_object(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(context_oop))); |
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302 ciKlass* type = (ciKlass*) CURRENT_ENV->get_object(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(type_oop))); |
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303 |
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304 _dependencies->assert_leaf_type(type); |
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305 if (context != type) { |
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306 assert(context->is_abstract(), ""); |
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307 ThreadToNativeFromVM trans(JavaThread::current()); |
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308 _dependencies->assert_abstract_with_unique_concrete_subtype(context, type); |
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309 } |
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310 } |
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311 |
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312 void CodeInstaller::assumption_ConcreteMethod(oop assumption) { |
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313 oop context_oop = CiAssumptions_ConcreteMethod::context(assumption); |
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314 oop method_oop = CiAssumptions_ConcreteMethod::method(assumption); |
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315 jlong context_oop_id = HotSpotMethodResolved::vmId(context_oop); |
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316 jlong method_oop_id = HotSpotMethodResolved::vmId(method_oop); |
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317 methodOop method = VmIds::get<methodOop>(method_oop_id); |
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318 methodOop context = VmIds::get<methodOop>(context_oop_id); |
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319 |
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320 ciMethod* m = (ciMethod*) CURRENT_ENV->get_object(method); |
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321 ciMethod* c = (ciMethod*) CURRENT_ENV->get_object(context); |
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322 ciKlass* context_klass = c->holder(); |
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323 { |
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324 ThreadToNativeFromVM trans(JavaThread::current()); |
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325 _dependencies->assert_unique_concrete_method(context_klass, m); |
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326 } |
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327 } |
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328 |
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329 void CodeInstaller::process_exception_handlers() { |
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330 // allocate some arrays for use by the collection code. |
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331 const int num_handlers = 5; |
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332 GrowableArray<intptr_t>* bcis = new GrowableArray<intptr_t> (num_handlers); |
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333 GrowableArray<intptr_t>* scope_depths = new GrowableArray<intptr_t> (num_handlers); |
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334 GrowableArray<intptr_t>* pcos = new GrowableArray<intptr_t> (num_handlers); |
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335 |
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336 if (_exception_handlers != NULL) { |
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337 oop* exception_handlers = (oop*) _exception_handlers->base(T_OBJECT); |
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338 for (int i = 0; i < _exception_handlers->length(); i++) { |
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339 jint pc_offset = CiTargetMethod_Site::pcOffset(exception_handlers[i]); |
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340 int start = i; |
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341 while ((i + 1) < _exception_handlers->length() && CiTargetMethod_Site::pcOffset(exception_handlers[i + 1]) == pc_offset) |
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342 i++; |
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343 |
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344 // empty the arrays |
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345 bcis->trunc_to(0); |
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346 scope_depths->trunc_to(0); |
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347 pcos->trunc_to(0); |
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348 |
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349 for (int j = start; j <= i; j++) { |
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350 oop exc = exception_handlers[j]; |
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351 jint handler_offset = CiTargetMethod_ExceptionHandler::handlerPos(exc); |
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352 jint handler_bci = CiTargetMethod_ExceptionHandler::handlerBci(exc); |
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353 jint bci = CiTargetMethod_ExceptionHandler::bci(exc); |
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354 jint scope_level = CiTargetMethod_ExceptionHandler::scopeLevel(exc); |
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355 Handle handler_type = CiTargetMethod_ExceptionHandler::exceptionType(exc); |
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356 |
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357 assert(handler_offset != -1, "must have been generated"); |
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358 |
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359 int e = bcis->find(handler_bci); |
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360 if (e >= 0 && scope_depths->at(e) == scope_level) { |
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361 // two different handlers are declared to dispatch to the same |
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362 // catch bci. During parsing we created edges for each |
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363 // handler but we really only need one. The exception handler |
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364 // table will also get unhappy if we try to declare both since |
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365 // it's nonsensical. Just skip this handler. |
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366 continue; |
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367 } |
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368 |
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369 bcis->append(handler_bci); |
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370 if (handler_bci == -1) { |
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371 // insert a wildcard handler at scope depth 0 so that the |
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372 // exception lookup logic with find it. |
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373 scope_depths->append(0); |
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374 } else { |
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375 scope_depths->append(scope_level); |
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376 } |
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377 pcos->append(handler_offset); |
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378 |
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379 // stop processing once we hit a catch any |
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380 // if (handler->is_catch_all()) { |
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381 // assert(i == handlers->length() - 1, "catch all must be last handler"); |
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382 // } |
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383 |
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384 } |
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385 _exception_handler_table.add_subtable(pc_offset, bcis, scope_depths, pcos); |
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386 } |
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387 } |
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388 |
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389 } |
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390 |
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391 void CodeInstaller::record_scope(jint pc_offset, oop code_pos) { |
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392 oop caller_pos = CiCodePos::caller(code_pos); |
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393 if (caller_pos != NULL) { |
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394 record_scope(pc_offset, caller_pos); |
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395 } |
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396 oop frame = NULL; |
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397 if (code_pos->klass()->klass_part()->name() == vmSymbols::com_sun_cri_ci_CiFrame()) { |
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398 frame = code_pos; |
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399 } |
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400 |
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401 oop hotspot_method = CiCodePos::method(code_pos); |
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402 assert(hotspot_method != NULL && hotspot_method->is_a(HotSpotMethodResolved::klass()), "unexpected hotspot method"); |
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403 methodOop method = VmIds::get<methodOop>(HotSpotMethodResolved::vmId(hotspot_method)); |
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404 ciMethod *cimethod = (ciMethod *) _env->get_object(method); |
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405 jint bci = CiCodePos::bci(code_pos); |
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406 bool reexecute; |
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407 if (bci == -1) { |
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408 reexecute = false; |
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409 } else { |
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410 Bytecodes::Code code = Bytecodes::java_code_at(method, method->bcp_from(bci)); |
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411 reexecute = Interpreter::bytecode_should_reexecute(code); |
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412 } |
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413 |
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414 if (TraceC1X >= 2) { |
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415 tty->print_cr("Recording scope pc_offset=%d bci=%d frame=%d", pc_offset, bci, frame); |
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416 } |
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417 |
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418 if (frame != NULL) { |
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419 jint local_count = CiFrame::numLocals(frame); |
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420 jint expression_count = CiFrame::numStack(frame); |
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421 jint monitor_count = CiFrame::numLocks(frame); |
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422 arrayOop values = (arrayOop) CiFrame::values(frame); |
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423 |
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424 assert(local_count + expression_count + monitor_count == values->length(), "unexpected values length"); |
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425 |
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426 GrowableArray<ScopeValue*>* locals = new GrowableArray<ScopeValue*> (); |
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427 GrowableArray<ScopeValue*>* expressions = new GrowableArray<ScopeValue*> (); |
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428 GrowableArray<MonitorValue*>* monitors = new GrowableArray<MonitorValue*> (); |
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429 |
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430 if (TraceC1X >= 2) { |
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431 tty->print_cr("Scope at bci %d with %d values", bci, values->length()); |
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432 tty->print_cr("%d locals %d expressions, %d monitors", local_count, expression_count, monitor_count); |
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433 } |
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434 |
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435 for (jint i = 0; i < values->length(); i++) { |
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436 ScopeValue* value = get_hotspot_value(((oop*) values->base(T_OBJECT))[i], _frame_size); |
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437 |
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438 if (i < local_count) { |
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439 locals->append(value); |
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440 } else if (i < local_count + expression_count) { |
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441 expressions->append(value); |
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442 } else { |
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443 assert(value->is_location(), "invalid monitor location"); |
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444 LocationValue* loc = (LocationValue*)value; |
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445 int monitor_offset = loc->location().stack_offset(); |
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446 LocationValue* obj = new LocationValue(Location::new_stk_loc(Location::oop, monitor_offset + BasicObjectLock::obj_offset_in_bytes())); |
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447 monitors->append(new MonitorValue(obj, Location::new_stk_loc(Location::normal, monitor_offset + BasicObjectLock::lock_offset_in_bytes()))); |
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448 } |
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449 } |
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450 DebugToken* locals_token = _debug_recorder->create_scope_values(locals); |
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451 DebugToken* expressions_token = _debug_recorder->create_scope_values(expressions); |
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452 DebugToken* monitors_token = _debug_recorder->create_monitor_values(monitors); |
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453 |
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454 _debug_recorder->describe_scope(pc_offset, cimethod, bci, reexecute, false, false, locals_token, expressions_token, monitors_token); |
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455 } else { |
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456 _debug_recorder->describe_scope(pc_offset, cimethod, bci, reexecute, false, false, NULL, NULL, NULL); |
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457 } |
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458 } |
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459 |
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460 void CodeInstaller::site_Safepoint(CodeBuffer& buffer, jint pc_offset, oop site) { |
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461 oop debug_info = CiTargetMethod_Safepoint::debugInfo(site); |
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462 assert(debug_info != NULL, "debug info expected"); |
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463 |
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464 // address instruction = _instructions->start() + pc_offset; |
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465 // jint next_pc_offset = Assembler::locate_next_instruction(instruction) - _instructions->start(); |
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466 _debug_recorder->add_safepoint(pc_offset, create_oop_map(_frame_size, _parameter_count, debug_info)); |
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467 |
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468 oop code_pos = CiDebugInfo::codePos(debug_info); |
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469 record_scope(pc_offset, code_pos); |
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470 |
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471 _debug_recorder->end_safepoint(pc_offset); |
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472 } |
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473 |
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474 void CodeInstaller::site_Call(CodeBuffer& buffer, jint pc_offset, oop site) { |
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475 oop runtime_call = CiTargetMethod_Call::runtimeCall(site); |
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476 oop hotspot_method = CiTargetMethod_Call::method(site); |
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477 oop symbol = CiTargetMethod_Call::symbol(site); |
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478 oop global_stub = CiTargetMethod_Call::globalStubID(site); |
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479 |
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480 oop debug_info = CiTargetMethod_Call::debugInfo(site); |
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481 |
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482 assert((runtime_call ? 1 : 0) + (hotspot_method ? 1 : 0) + (symbol ? 1 : 0) + (global_stub ? 1 : 0) == 1, "Call site needs exactly one type"); |
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483 |
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484 assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size)"); |
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485 jint next_pc_offset = pc_offset + NativeCall::instruction_size; |
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486 |
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487 if (debug_info != NULL) { |
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488 _debug_recorder->add_safepoint(next_pc_offset, create_oop_map(_frame_size, _parameter_count, debug_info)); |
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489 oop code_pos = CiDebugInfo::codePos(debug_info); |
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490 record_scope(next_pc_offset, code_pos); |
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491 } |
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492 |
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493 if (runtime_call != NULL) { |
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494 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); |
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495 if (runtime_call == CiRuntimeCall::Debug()) { |
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496 TRACE_C1X_3("CiRuntimeCall::Debug()"); |
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497 } else if (runtime_call == CiRuntimeCall::UnwindException()) { |
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498 call->set_destination(Runtime1::entry_for(Runtime1::c1x_unwind_exception_call_id)); |
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499 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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500 TRACE_C1X_3("CiRuntimeCall::UnwindException()"); |
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501 } else if (runtime_call == CiRuntimeCall::HandleException()) { |
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502 call->set_destination(Runtime1::entry_for(Runtime1::c1x_handle_exception_id)); |
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503 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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504 TRACE_C1X_3("CiRuntimeCall::HandleException()"); |
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505 } else if (runtime_call == CiRuntimeCall::JavaTimeMillis()) { |
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506 call->set_destination((address)os::javaTimeMillis); |
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507 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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508 TRACE_C1X_3("CiRuntimeCall::JavaTimeMillis()"); |
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509 } else if (runtime_call == CiRuntimeCall::JavaTimeNanos()) { |
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510 call->set_destination((address)os::javaTimeNanos); |
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511 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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512 TRACE_C1X_3("CiRuntimeCall::JavaTimeNanos()"); |
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513 } else if (runtime_call == CiRuntimeCall::ArithmeticFrem()) { |
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514 call->set_destination(Runtime1::entry_for(Runtime1::c1x_arithmetic_frem_id)); |
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515 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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516 TRACE_C1X_3("CiRuntimeCall::ArithmeticFrem()"); |
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517 } else if (runtime_call == CiRuntimeCall::ArithmeticDrem()) { |
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518 call->set_destination(Runtime1::entry_for(Runtime1::c1x_arithmetic_drem_id)); |
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519 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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|
520 TRACE_C1X_3("CiRuntimeCall::ArithmeticDrem()"); |
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521 } else if (runtime_call == CiRuntimeCall::RegisterFinalizer()) { |
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522 call->set_destination(Runtime1::entry_for(Runtime1::register_finalizer_id)); |
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523 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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|
524 } else if (runtime_call == CiRuntimeCall::Deoptimize()) { |
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|
525 call->set_destination(SharedRuntime::deopt_blob()->uncommon_trap()); |
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|
526 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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527 } else { |
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|
528 runtime_call->print(); |
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|
529 fatal("runtime_call not implemented"); |
1429
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* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
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|
530 } |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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diff
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|
531 } else if (global_stub != NULL) { |
1433
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various fixes and enhancements
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1432
diff
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|
532 NativeInstruction* inst = nativeInstruction_at(_instructions->start() + pc_offset); |
1429
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533 assert(java_lang_boxing_object::is_instance(global_stub, T_LONG), "global_stub needs to be of type Long"); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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|
534 |
1433
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various fixes and enhancements
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|
535 if (inst->is_call()) { |
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various fixes and enhancements
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diff
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|
536 nativeCall_at((address)inst)->set_destination(VmIds::getStub(global_stub)); |
efba53f86c4f
various fixes and enhancements
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|
537 } else { |
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|
538 nativeJump_at((address)inst)->set_jump_destination(VmIds::getStub(global_stub)); |
efba53f86c4f
various fixes and enhancements
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|
539 } |
efba53f86c4f
various fixes and enhancements
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|
540 _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand); |
efba53f86c4f
various fixes and enhancements
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|
541 TRACE_C1X_3("relocating (stub) at %016x", inst); |
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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542 } else if (symbol != NULL) { |
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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543 fatal("symbol"); |
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544 } else { // method != NULL |
1433
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545 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); |
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546 assert(hotspot_method != NULL, "unexpected RiMethod"); |
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|
547 assert(debug_info != NULL, "debug info expected"); |
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548 |
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549 methodOop method = NULL; |
1432
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sourcecode formatting
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550 if (hotspot_method->is_a(HotSpotMethodResolved::klass())) method = VmIds::get<methodOop>(HotSpotMethodResolved::vmId(hotspot_method)); |
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551 |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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|
552 assert(debug_info != NULL, "debug info expected"); |
abc670a709dc
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553 |
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* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
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554 TRACE_C1X_3("method call"); |
1432
b61a43cd1255
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555 switch (_next_call_type) { |
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556 case MARK_INVOKEVIRTUAL: |
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557 case MARK_INVOKEINTERFACE: { |
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558 assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface"); |
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559 |
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560 call->set_destination(SharedRuntime::get_resolve_virtual_call_stub()); |
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561 _instructions->relocate(call->instruction_address(), virtual_call_Relocation::spec(_invoke_mark_pc), Assembler::call32_operand); |
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562 break; |
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563 } |
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564 case MARK_INVOKESTATIC: { |
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565 assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic"); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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|
566 call->set_destination(SharedRuntime::get_resolve_static_call_stub()); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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|
567 _instructions->relocate(call->instruction_address(), relocInfo::static_call_type, Assembler::call32_operand); |
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|
568 break; |
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diff
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|
569 } |
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diff
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|
570 case MARK_INVOKESPECIAL: { |
1429
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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|
571 assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial"); |
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diff
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|
572 |
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573 call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub()); |
abc670a709dc
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|
574 _instructions->relocate(call->instruction_address(), relocInfo::opt_virtual_call_type, Assembler::call32_operand); |
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|
575 break; |
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diff
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|
576 } |
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|
577 case MARK_INVOKE_INVALID: |
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diff
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|
578 default: |
1931
48bbaead8b6c
Adjustments after merge with OpenJDK repository.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
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1484
diff
changeset
|
579 fatal("invalid _next_call_type value"); |
1428
695451afc619
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diff
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|
580 break; |
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diff
changeset
|
581 } |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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diff
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|
582 } |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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1428
diff
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|
583 _next_call_type = MARK_INVOKE_INVALID; |
abc670a709dc
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|
584 if (debug_info != NULL) { |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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1428
diff
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|
585 _debug_recorder->end_safepoint(next_pc_offset); |
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diff
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|
586 } |
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parents:
diff
changeset
|
587 } |
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parents:
diff
changeset
|
588 |
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parents:
diff
changeset
|
589 void CodeInstaller::site_DataPatch(CodeBuffer& buffer, jint pc_offset, oop site) { |
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refactoring classes into separate files
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diff
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|
590 oop constant = CiTargetMethod_DataPatch::constant(site); |
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diff
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|
591 oop kind = CiConstant::kind(constant); |
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refactoring classes into separate files
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diff
changeset
|
592 |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
593 address instruction = _instructions->start() + pc_offset; |
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parents:
diff
changeset
|
594 |
2494
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2282
diff
changeset
|
595 char typeChar = CiKind::typeChar(kind); |
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
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2282
diff
changeset
|
596 switch (typeChar) { |
1428
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diff
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|
597 case 'z': |
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parents:
diff
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|
598 case 'b': |
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parents:
diff
changeset
|
599 case 's': |
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parents:
diff
changeset
|
600 case 'c': |
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parents:
diff
changeset
|
601 case 'i': |
1432
b61a43cd1255
sourcecode formatting
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parents:
1429
diff
changeset
|
602 fatal("int-sized values not expected in DataPatch") |
b61a43cd1255
sourcecode formatting
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parents:
1429
diff
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|
603 ; |
1428
695451afc619
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parents:
diff
changeset
|
604 break; |
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refactoring classes into separate files
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parents:
diff
changeset
|
605 case 'f': |
695451afc619
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parents:
diff
changeset
|
606 case 'l': |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
607 case 'd': { |
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diff
changeset
|
608 address operand = Assembler::locate_operand(instruction, Assembler::disp32_operand); |
695451afc619
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diff
changeset
|
609 address next_instruction = Assembler::locate_next_instruction(instruction); |
695451afc619
refactoring classes into separate files
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diff
changeset
|
610 // we don't care if this is a long/double/etc., the primitive field contains the right bits |
2494
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2282
diff
changeset
|
611 int size = _constants->size(); |
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2282
diff
changeset
|
612 if (typeChar == 'd' || typeChar == 'l') { |
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2282
diff
changeset
|
613 size = _constants->align_at_start(size); |
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2282
diff
changeset
|
614 } |
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2282
diff
changeset
|
615 address dest = _constants->start() + size; |
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2282
diff
changeset
|
616 _constants->set_end(dest + BytesPerLong); |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
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1429
diff
changeset
|
617 *(jlong*) dest = CiConstant::primitive(constant); |
1428
695451afc619
refactoring classes into separate files
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diff
changeset
|
618 |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
619 long disp = dest - next_instruction; |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
620 assert(disp == (jint) disp, "disp doesn't fit in 32 bits"); |
1432
b61a43cd1255
sourcecode formatting
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1429
diff
changeset
|
621 *((jint*) operand) = (jint) disp; |
1428
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refactoring classes into separate files
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diff
changeset
|
622 |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
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1429
diff
changeset
|
623 _instructions->relocate(instruction, section_word_Relocation::spec((address) dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand); |
2494
e88293edf07c
Fixed an issue with alignment of double/long values in the code buffer. Can now run Scimark again.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2282
diff
changeset
|
624 TRACE_C1X_3("relocating (%c) at %016x/%016x with destination at %016x (%d)", typeChar, instruction, operand, dest, size); |
1428
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refactoring classes into separate files
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parents:
diff
changeset
|
625 break; |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
626 } |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
627 case 'a': { |
695451afc619
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parents:
diff
changeset
|
628 address operand = Assembler::locate_operand(instruction, Assembler::imm_operand); |
1465
2c754f3a2722
Inlining of static final field values. Java mirror instead of VmID. Support for PrintMetrics option.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1462
diff
changeset
|
629 Handle obj = CiConstant::object(constant); |
1428
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parents:
diff
changeset
|
630 |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
631 if (obj->is_a(HotSpotTypeResolved::klass())) { |
1942
00bc9eaf0e24
Support for -XX:+UseFastLocking flag. Fixed monitor enter XIR template for correct debug info at the runtime call.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1941
diff
changeset
|
632 assert(!obj.is_null(), ""); |
1941
79d04223b8a5
Added caching for resolved types and resolved fields.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1938
diff
changeset
|
633 *((jobject*) operand) = JNIHandles::make_local(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(obj))); |
1428
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refactoring classes into separate files
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parents:
diff
changeset
|
634 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
635 TRACE_C1X_3("relocating (HotSpotType) at %016x/%016x", instruction, operand); |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
636 } else { |
1465
2c754f3a2722
Inlining of static final field values. Java mirror instead of VmID. Support for PrintMetrics option.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1462
diff
changeset
|
637 jobject value; |
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Fix dummy obj boxed long hack by replacing it with a reliable solution.
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638 if (obj() == HotSpotProxy::DUMMY_CONSTANT_OBJ()) { |
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Fix dummy obj boxed long hack by replacing it with a reliable solution.
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639 value = (jobject) Universe::non_oop_word(); |
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refactoring classes into separate files
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640 } else { |
1465
2c754f3a2722
Inlining of static final field values. Java mirror instead of VmID. Support for PrintMetrics option.
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1462
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|
641 value = JNIHandles::make_local(obj()); |
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diff
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642 } |
1465
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Inlining of static final field values. Java mirror instead of VmID. Support for PrintMetrics option.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
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1462
diff
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643 *((jobject*) operand) = value; |
1428
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644 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); |
1429
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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645 TRACE_C1X_3("relocating (oop constant) at %016x/%016x", instruction, operand); |
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|
646 } |
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|
647 break; |
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|
648 } |
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649 default: |
1931
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Adjustments after merge with OpenJDK repository.
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1484
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650 fatal("unexpected CiKind in DataPatch"); |
1428
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651 break; |
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|
652 } |
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|
653 } |
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|
654 |
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655 void CodeInstaller::site_Mark(CodeBuffer& buffer, jint pc_offset, oop site) { |
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656 oop id_obj = CiTargetMethod_Mark::id(site); |
1432
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657 arrayOop references = (arrayOop) CiTargetMethod_Mark::references(site); |
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658 |
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659 if (id_obj != NULL) { |
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660 assert(java_lang_boxing_object::is_instance(id_obj, T_INT), "Integer id expected"); |
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661 jint id = id_obj->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT)); |
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662 |
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663 address instruction = _instructions->start() + pc_offset; |
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664 |
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665 switch (id) { |
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diff
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666 case MARK_UNVERIFIED_ENTRY: |
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parents:
diff
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667 _offsets.set_value(CodeOffsets::Entry, pc_offset); |
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668 break; |
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diff
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669 case MARK_VERIFIED_ENTRY: |
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670 _offsets.set_value(CodeOffsets::Verified_Entry, pc_offset); |
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refactoring classes into separate files
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diff
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671 break; |
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672 case MARK_OSR_ENTRY: |
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673 _offsets.set_value(CodeOffsets::OSR_Entry, pc_offset); |
695451afc619
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parents:
diff
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674 break; |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
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675 case MARK_UNWIND_ENTRY: |
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676 _offsets.set_value(CodeOffsets::UnwindHandler, pc_offset); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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diff
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677 break; |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
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diff
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678 case MARK_EXCEPTION_HANDLER_ENTRY: |
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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|
679 _offsets.set_value(CodeOffsets::Exceptions, pc_offset); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
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|
680 break; |
1936
8d88c9ac9247
Correct deopt handler entry. New flag -XX:+TraceSignals. More detailed deopt printing.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1931
diff
changeset
|
681 case MARK_DEOPT_HANDLER_ENTRY: |
8d88c9ac9247
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parents:
1931
diff
changeset
|
682 _offsets.set_value(CodeOffsets::Deopt, pc_offset); |
8d88c9ac9247
Correct deopt handler entry. New flag -XX:+TraceSignals. More detailed deopt printing.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
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1931
diff
changeset
|
683 break; |
1428
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|
684 case MARK_STATIC_CALL_STUB: { |
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diff
changeset
|
685 assert(references->length() == 1, "static call stub needs one reference"); |
1432
b61a43cd1255
sourcecode formatting
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1429
diff
changeset
|
686 oop ref = ((oop*) references->base(T_OBJECT))[0]; |
1428
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diff
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|
687 address call_pc = _instructions->start() + CiTargetMethod_Site::pcOffset(ref); |
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diff
changeset
|
688 _instructions->relocate(instruction, static_stub_Relocation::spec(call_pc)); |
1441
f8ab19e5acae
Fix oop relocation for static stub calls.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1439
diff
changeset
|
689 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); |
1428
695451afc619
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parents:
diff
changeset
|
690 break; |
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refactoring classes into separate files
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parents:
diff
changeset
|
691 } |
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diff
changeset
|
692 case MARK_INVOKE_INVALID: |
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parents:
diff
changeset
|
693 case MARK_INVOKEINTERFACE: |
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refactoring classes into separate files
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parents:
diff
changeset
|
694 case MARK_INVOKESTATIC: |
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diff
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|
695 case MARK_INVOKESPECIAL: |
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diff
changeset
|
696 case MARK_INVOKEVIRTUAL: |
1432
b61a43cd1255
sourcecode formatting
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1429
diff
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|
697 _next_call_type = (MarkId) id; |
1428
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diff
changeset
|
698 _invoke_mark_pc = instruction; |
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refactoring classes into separate files
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parents:
diff
changeset
|
699 break; |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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diff
changeset
|
700 case MARK_IMPLICIT_NULL: |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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1428
diff
changeset
|
701 _implicit_exception_table.append(pc_offset, pc_offset); |
1428
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refactoring classes into separate files
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parents:
diff
changeset
|
702 break; |
1433
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
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1432
diff
changeset
|
703 case MARK_KLASS_PATCHING: |
efba53f86c4f
various fixes and enhancements
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parents:
1432
diff
changeset
|
704 case MARK_ACCESS_FIELD_PATCHING: { |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
changeset
|
705 unsigned char* byte_count = (unsigned char*) (instruction - 1); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
706 unsigned char* byte_skip = (unsigned char*) (instruction - 2); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
changeset
|
707 unsigned char* being_initialized_entry_offset = (unsigned char*) (instruction - 3); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
708 |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
709 assert(*byte_skip == 5, "unexpected byte_skip"); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
changeset
|
710 |
1433
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
711 assert(references->length() == 2, "MARK_KLASS_PATCHING/MARK_ACCESS_FIELD_PATCHING needs 2 references"); |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1429
diff
changeset
|
712 oop ref1 = ((oop*) references->base(T_OBJECT))[0]; |
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1429
diff
changeset
|
713 oop ref2 = ((oop*) references->base(T_OBJECT))[1]; |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
714 int i_byte_count = CiTargetMethod_Site::pcOffset(ref2) - CiTargetMethod_Site::pcOffset(ref1); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
changeset
|
715 assert(i_byte_count == (unsigned char)i_byte_count, "invalid offset"); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
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1428
diff
changeset
|
716 *byte_count = i_byte_count; |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
changeset
|
717 *being_initialized_entry_offset = *byte_count + *byte_skip; |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
718 |
1433
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
719 // we need to correct the offset of a field access - it's created with MAX_INT to ensure the correct size, and hotspot expects 0 |
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
720 if (id == MARK_ACCESS_FIELD_PATCHING) { |
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
721 NativeMovRegMem* inst = nativeMovRegMem_at(_instructions->start() + CiTargetMethod_Site::pcOffset(ref1)); |
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
722 assert(inst->offset() == max_jint, "unexpected offset value"); |
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
723 inst->set_offset(0); |
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
724 } |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
725 break; |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
726 } |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
727 case MARK_DUMMY_OOP_RELOCATION: { |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
728 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
729 |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1429
diff
changeset
|
730 RelocIterator iter(_instructions, (address) instruction, (address) (instruction + 1)); |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
731 relocInfo::change_reloc_info_for_address(&iter, (address) instruction, relocInfo::oop_type, relocInfo::none); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
732 break; |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
733 } |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
734 default: |
1931
48bbaead8b6c
Adjustments after merge with OpenJDK repository.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1484
diff
changeset
|
735 ShouldNotReachHere(); |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
736 break; |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
737 } |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
738 } |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
739 } |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
740 |