Mercurial > hg > graal-jvmci-8
annotate src/share/vm/c1x/c1x_CodeInstaller.cpp @ 2059:9508a52cbd32
Add deoptimization blob support.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Wed, 19 Jan 2011 15:48:15 +0100 |
parents | 3c0a889a176b |
children | 9569fdf936ff |
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1 /* |
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2 * Copyright 2000-2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "c1x/c1x_Compiler.hpp" |
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27 #include "c1x/c1x_CodeInstaller.hpp" |
2046 | 28 #include "c1x/c1x_JavaAccess.hpp" |
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29 #include "c1x/c1x_VmIds.hpp" |
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30 #include "c1/c1_Runtime1.hpp" |
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31 #include "classfile/vmSymbols.hpp" |
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32 #include "vmreg_x86.inline.hpp" |
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33 |
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34 |
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35 // TODO this should be handled in a more robust way - not hard coded... |
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36 Register CPU_REGS[] = { rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15 }; |
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37 bool OOP_ALLOWED[] = {true, true, true, true, false, false, true, true, true, true, false, true, true, true, true, true}; |
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38 const static int NUM_CPU_REGS = sizeof(CPU_REGS) / sizeof(Register); |
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39 XMMRegister XMM_REGS[] = { xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15 }; |
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40 const static int NUM_XMM_REGS = sizeof(XMM_REGS) / sizeof(XMMRegister); |
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41 const static int NUM_REGS = NUM_CPU_REGS + NUM_XMM_REGS; |
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42 const static jlong NO_REF_MAP = 0x8000000000000000L; |
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43 |
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44 // convert c1x register indices (as used in oop maps) to hotspot registers |
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45 VMReg get_hotspot_reg(jint c1x_reg) { |
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46 |
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47 assert(c1x_reg >= 0 && c1x_reg < NUM_REGS, "invalid register number"); |
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48 if (c1x_reg < NUM_CPU_REGS) { |
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49 return CPU_REGS[c1x_reg]->as_VMReg(); |
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50 } else { |
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51 return XMM_REGS[c1x_reg - NUM_CPU_REGS]->as_VMReg(); |
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52 } |
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53 } |
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54 |
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55 static bool is_bit_set(oop bit_map, int i) { |
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56 const int MapWordBits = 64; |
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57 if (i < MapWordBits) { |
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58 jlong low = CiBitMap::low(bit_map); |
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59 return (low & (1L << i)) != 0; |
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60 } else { |
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61 jint extra_idx = (i - MapWordBits) / MapWordBits; |
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62 arrayOop extra = (arrayOop) CiBitMap::extra(bit_map); |
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63 assert(extra_idx >= 0 && extra_idx < extra->length(), "unexpected index"); |
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64 jlong word = ((jlong*) extra->base(T_LONG))[extra_idx]; |
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65 return (word & (1L << (i % MapWordBits))) != 0; |
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66 } |
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67 } |
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68 |
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69 // creates a hotspot oop map out of the byte arrays provided by CiDebugInfo |
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70 static OopMap* create_oop_map(jint frame_size, jint parameter_count, oop debug_info) { |
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71 OopMap* map = new OopMap(frame_size, parameter_count); |
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72 oop register_map = (oop) CiDebugInfo::registerRefMap(debug_info); |
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73 oop frame_map = (oop) CiDebugInfo::frameRefMap(debug_info); |
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74 |
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75 if (register_map != NULL) { |
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76 assert(CiBitMap::size(register_map) == (unsigned) NUM_CPU_REGS, "unexpected register_map length"); |
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77 for (jint i = 0; i < NUM_CPU_REGS; i++) { |
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78 bool is_oop = is_bit_set(register_map, i); |
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79 VMReg reg = get_hotspot_reg(i); |
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80 if (is_oop) { |
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81 assert(OOP_ALLOWED[i], "this register may never be an oop, register map misaligned?"); |
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82 map->set_oop(reg); |
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83 } else { |
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84 map->set_value(reg); |
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85 } |
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86 } |
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87 } |
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88 |
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89 if (frame_size > 0) { |
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90 assert(CiBitMap::size(frame_map) == frame_size / HeapWordSize, "unexpected frame_map length"); |
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91 |
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92 for (jint i = 0; i < frame_size / HeapWordSize; i++) { |
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93 bool is_oop = is_bit_set(frame_map, i); |
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94 // hotspot stack slots are 4 bytes |
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95 VMReg reg = VMRegImpl::stack2reg(i * 2); |
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96 if (is_oop) { |
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97 map->set_oop(reg); |
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98 } else { |
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99 map->set_value(reg); |
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100 } |
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101 } |
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102 } else { |
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103 assert(frame_map == NULL || CiBitMap::size(frame_map) == 0, "cannot have frame_map for frames with size 0"); |
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104 } |
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105 |
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106 return map; |
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107 } |
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108 |
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109 // TODO: finish this - c1x doesn't provide any scope values at the moment |
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110 static ScopeValue* get_hotspot_value(oop value, int frame_size) { |
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111 if (value == CiValue::IllegalValue()) { |
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112 return new LocationValue(Location::new_stk_loc(Location::invalid, 0)); |
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113 } |
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114 |
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115 BasicType type = C1XCompiler::kindToBasicType(CiKind::typeChar(CiValue::kind(value))); |
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116 Location::Type locationType = Location::normal; |
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117 if (type == T_OBJECT || type == T_ARRAY) locationType = Location::oop; |
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118 if (value->is_a(CiRegisterValue::klass())) { |
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119 jint number = CiRegister::number(CiRegisterValue::reg(value)); |
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120 if (number < 16) { |
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121 return new LocationValue(Location::new_reg_loc(locationType, as_Register(number)->as_VMReg())); |
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122 } else { |
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123 return new LocationValue(Location::new_reg_loc(locationType, as_XMMRegister(number - 16)->as_VMReg())); |
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124 } |
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125 } else if (value->is_a(CiStackSlot::klass())) { |
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126 jint index = CiStackSlot::index(value); |
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127 if (index >= 0) { |
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128 return new LocationValue(Location::new_stk_loc(locationType, index * HeapWordSize)); |
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129 } else { |
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130 int frame_size_bytes = frame_size + 2 * HeapWordSize; |
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131 return new LocationValue(Location::new_stk_loc(locationType, -(index * HeapWordSize) + frame_size_bytes)); |
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132 } |
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133 } else if (value->is_a(CiConstant::klass())){ |
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134 oop obj = CiConstant::object(value); |
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135 jlong prim = CiConstant::primitive(value); |
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136 if (type == T_INT || type == T_FLOAT || type == T_SHORT || type == T_CHAR || type == T_BOOLEAN || type == T_BYTE) { |
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137 return new ConstantIntValue(*(jint*)&prim); |
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138 } else if (type == T_LONG || type == T_DOUBLE) { |
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139 return new ConstantLongValue(prim); |
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140 } else if (type == T_OBJECT) { |
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141 oop obj = CiConstant::object(value); |
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142 if (obj == NULL) { |
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143 return new ConstantOopWriteValue(NULL); |
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144 } else { |
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145 obj->print(); |
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146 ShouldNotReachHere(); |
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147 } |
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148 } else if (type == T_ADDRESS) { |
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149 return new ConstantLongValue(prim); |
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150 } |
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151 tty->print("%i", type); |
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152 ShouldNotReachHere(); |
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153 } else { |
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154 value->klass()->print(); |
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155 value->print(); |
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156 ShouldNotReachHere(); |
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157 } |
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158 } |
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159 |
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160 // constructor used to create a method |
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161 CodeInstaller::CodeInstaller(Handle target_method) { |
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162 ciMethod *ciMethodObject = NULL; |
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163 { |
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164 No_Safepoint_Verifier no_safepoint; |
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165 _env = CURRENT_ENV; |
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166 |
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167 initialize_fields(target_method); |
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168 assert(_hotspot_method != NULL && _name == NULL, "installMethod needs NON-NULL method and NULL name"); |
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169 assert(_hotspot_method->is_a(HotSpotMethodResolved::klass()), "installMethod needs a HotSpotMethodResolved"); |
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170 |
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171 methodOop method = VmIds::get<methodOop>(HotSpotMethodResolved::vmId(_hotspot_method)); |
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172 ciMethodObject = (ciMethod *) _env->get_object(method); |
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173 _parameter_count = method->size_of_parameters(); |
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174 } |
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175 |
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176 // (very) conservative estimate: each site needs a relocation |
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177 //CodeBuffer buffer("temp c1x method", _total_size, _sites->length() * relocInfo::length_limit); |
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178 CodeBuffer buffer(CompilerThread::current()->get_buffer_blob()); |
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179 initialize_buffer(buffer); |
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180 process_exception_handlers(); |
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181 |
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182 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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183 ThreadToNativeFromVM t((JavaThread*) Thread::current()); |
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184 _env->register_method(ciMethodObject, -1, &_offsets, _custom_stack_area_offset, &buffer, stack_slots, _debug_recorder->_oopmaps, &_exception_handler_table, |
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185 &_implicit_exception_table, C1XCompiler::instance(), _env->comp_level(), false, false); |
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186 |
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187 } |
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188 |
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189 // constructor used to create a stub |
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190 CodeInstaller::CodeInstaller(Handle target_method, jlong& id) { |
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191 No_Safepoint_Verifier no_safepoint; |
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192 _env = CURRENT_ENV; |
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193 |
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194 initialize_fields(target_method); |
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195 assert(_hotspot_method == NULL && _name != NULL, "installMethod needs NON-NULL name and NULL method"); |
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196 |
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197 // (very) conservative estimate: each site needs a relocation |
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198 CodeBuffer buffer(CompilerThread::current()->get_buffer_blob()); |
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199 initialize_buffer(buffer); |
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200 |
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201 const char* cname = java_lang_String::as_utf8_string(_name); |
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202 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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203 IF_TRACE_C1X_3 Disassembler::decode((CodeBlob*) blob); |
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204 id = VmIds::addStub(blob->code_begin()); |
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205 } |
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206 |
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207 void CodeInstaller::initialize_fields(Handle target_method) { |
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208 _citarget_method = HotSpotTargetMethod::targetMethod(target_method); |
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209 _hotspot_method = HotSpotTargetMethod::method(target_method); |
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210 _name = HotSpotTargetMethod::name(target_method); |
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211 _sites = (arrayOop) HotSpotTargetMethod::sites(target_method); |
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212 oop assumptions = CiTargetMethod::assumptions(_citarget_method); |
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213 if (assumptions != NULL) { |
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214 _assumptions = (arrayOop) CiAssumptions::list(assumptions); |
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215 } else { |
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216 _assumptions = NULL; |
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217 } |
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218 _exception_handlers = (arrayOop) HotSpotTargetMethod::exceptionHandlers(target_method); |
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219 |
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220 _code = (arrayOop) CiTargetMethod::targetCode(_citarget_method); |
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221 _code_size = CiTargetMethod::targetCodeSize(_citarget_method); |
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222 _frame_size = CiTargetMethod::frameSize(_citarget_method); |
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223 _custom_stack_area_offset = CiTargetMethod::customStackAreaOffset(_citarget_method); |
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224 |
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225 |
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226 // (very) conservative estimate: each site needs a constant section entry |
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227 _constants_size = _sites->length() * BytesPerLong; |
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228 _total_size = align_size_up(_code_size, HeapWordSize) + _constants_size; |
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229 |
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230 _next_call_type = MARK_INVOKE_INVALID; |
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231 } |
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232 |
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233 // perform data and call relocation on the CodeBuffer |
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234 void CodeInstaller::initialize_buffer(CodeBuffer& buffer) { |
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235 int locs_buffer_size = _sites->length() * (relocInfo::length_limit + sizeof(relocInfo)); |
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236 char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size); |
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237 buffer.insts()->initialize_shared_locs((relocInfo*)locs_buffer, locs_buffer_size / sizeof(relocInfo)); |
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238 buffer.initialize_stubs_size(256); |
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239 buffer.initialize_consts_size(_constants_size); |
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240 |
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241 _oop_recorder = new OopRecorder(_env->arena()); |
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242 _env->set_oop_recorder(_oop_recorder); |
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243 _debug_recorder = new DebugInformationRecorder(_env->oop_recorder()); |
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244 _debug_recorder->set_oopmaps(new OopMapSet()); |
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245 _dependencies = new Dependencies(_env); |
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246 |
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247 _env->set_oop_recorder(_oop_recorder); |
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248 _env->set_debug_info(_debug_recorder); |
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249 _env->set_dependencies(_dependencies); |
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250 buffer.initialize_oop_recorder(_oop_recorder); |
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251 |
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252 _instructions = buffer.insts(); |
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253 _constants = buffer.consts(); |
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254 |
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255 // copy the code into the newly created CodeBuffer |
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256 memcpy(_instructions->start(), _code->base(T_BYTE), _code_size); |
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257 _instructions->set_end(_instructions->start() + _code_size); |
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258 |
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259 oop* sites = (oop*) _sites->base(T_OBJECT); |
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260 for (int i = 0; i < _sites->length(); i++) { |
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261 oop site = sites[i]; |
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262 jint pc_offset = CiTargetMethod_Site::pcOffset(site); |
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263 |
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264 if (site->is_a(CiTargetMethod_Safepoint::klass())) { |
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265 TRACE_C1X_4("safepoint at %i", pc_offset); |
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266 site_Safepoint(buffer, pc_offset, site); |
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267 } else if (site->is_a(CiTargetMethod_Call::klass())) { |
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268 TRACE_C1X_4("call at %i", pc_offset); |
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269 site_Call(buffer, pc_offset, site); |
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270 } else if (site->is_a(CiTargetMethod_DataPatch::klass())) { |
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271 TRACE_C1X_4("datapatch at %i", pc_offset); |
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272 site_DataPatch(buffer, pc_offset, site); |
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273 } else if (site->is_a(CiTargetMethod_Mark::klass())) { |
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274 TRACE_C1X_4("mark at %i", pc_offset); |
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275 site_Mark(buffer, pc_offset, site); |
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276 } else { |
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277 fatal("unexpected Site subclass"); |
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278 } |
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279 } |
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280 |
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281 |
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282 if (_assumptions != NULL) { |
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283 oop* assumptions = (oop*) _assumptions->base(T_OBJECT); |
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284 for (int i = 0; i < _assumptions->length(); ++i) { |
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285 oop assumption = assumptions[i]; |
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286 if (assumption != NULL) { |
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287 if (assumption->is_a(CiAssumptions_ConcreteSubtype::klass())) { |
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288 assumption_ConcreteSubtype(assumption); |
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289 } else if (assumption->is_a(CiAssumptions_ConcreteMethod::klass())) { |
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290 assumption_ConcreteMethod(assumption); |
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291 } else { |
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292 fatal("unexpected Assumption subclass"); |
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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 } |
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298 |
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299 void CodeInstaller::assumption_ConcreteSubtype(oop assumption) { |
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300 oop context_oop = CiAssumptions_ConcreteSubtype::context(assumption); |
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301 oop type_oop = CiAssumptions_ConcreteSubtype::subtype(assumption); |
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302 |
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303 ciKlass* context = (ciKlass*) CURRENT_ENV->get_object(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(context_oop))); |
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304 ciKlass* type = (ciKlass*) CURRENT_ENV->get_object(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(type_oop))); |
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305 |
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306 _dependencies->assert_leaf_type(type); |
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307 if (context != type) { |
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308 assert(context->is_abstract(), ""); |
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309 ThreadToNativeFromVM trans(JavaThread::current()); |
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310 _dependencies->assert_abstract_with_unique_concrete_subtype(context, type); |
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311 } |
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312 } |
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313 |
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314 void CodeInstaller::assumption_ConcreteMethod(oop assumption) { |
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315 oop context_oop = CiAssumptions_ConcreteMethod::context(assumption); |
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316 oop method_oop = CiAssumptions_ConcreteMethod::method(assumption); |
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317 jlong context_oop_id = HotSpotMethodResolved::vmId(context_oop); |
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318 jlong method_oop_id = HotSpotMethodResolved::vmId(method_oop); |
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319 methodOop method = VmIds::get<methodOop>(method_oop_id); |
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320 methodOop context = VmIds::get<methodOop>(context_oop_id); |
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321 |
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322 ciMethod* m = (ciMethod*) CURRENT_ENV->get_object(method); |
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323 ciMethod* c = (ciMethod*) CURRENT_ENV->get_object(context); |
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324 ciKlass* context_klass = c->holder(); |
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325 { |
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326 ThreadToNativeFromVM trans(JavaThread::current()); |
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327 _dependencies->assert_unique_concrete_method(context_klass, m); |
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328 } |
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329 } |
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330 |
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331 void CodeInstaller::process_exception_handlers() { |
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332 // allocate some arrays for use by the collection code. |
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333 const int num_handlers = 5; |
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334 GrowableArray<intptr_t>* bcis = new GrowableArray<intptr_t> (num_handlers); |
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335 GrowableArray<intptr_t>* scope_depths = new GrowableArray<intptr_t> (num_handlers); |
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336 GrowableArray<intptr_t>* pcos = new GrowableArray<intptr_t> (num_handlers); |
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337 |
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338 if (_exception_handlers != NULL) { |
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339 oop* exception_handlers = (oop*) _exception_handlers->base(T_OBJECT); |
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340 for (int i = 0; i < _exception_handlers->length(); i++) { |
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341 jint pc_offset = CiTargetMethod_Site::pcOffset(exception_handlers[i]); |
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342 int start = i; |
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343 while ((i + 1) < _exception_handlers->length() && CiTargetMethod_Site::pcOffset(exception_handlers[i + 1]) == pc_offset) |
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344 i++; |
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345 |
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346 // empty the arrays |
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347 bcis->trunc_to(0); |
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348 scope_depths->trunc_to(0); |
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349 pcos->trunc_to(0); |
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350 |
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351 for (int j = start; j <= i; j++) { |
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352 oop exc = exception_handlers[j]; |
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353 jint handler_offset = CiTargetMethod_ExceptionHandler::handlerPos(exc); |
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354 jint handler_bci = CiTargetMethod_ExceptionHandler::handlerBci(exc); |
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355 jint bci = CiTargetMethod_ExceptionHandler::bci(exc); |
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356 jint scope_level = CiTargetMethod_ExceptionHandler::scopeLevel(exc); |
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357 Handle handler_type = CiTargetMethod_ExceptionHandler::exceptionType(exc); |
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358 |
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359 assert(handler_offset != -1, "must have been generated"); |
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360 |
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361 int e = bcis->find(handler_bci); |
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362 if (e >= 0 && scope_depths->at(e) == scope_level) { |
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363 // two different handlers are declared to dispatch to the same |
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364 // catch bci. During parsing we created edges for each |
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365 // handler but we really only need one. The exception handler |
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366 // table will also get unhappy if we try to declare both since |
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367 // it's nonsensical. Just skip this handler. |
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368 continue; |
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369 } |
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370 |
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371 bcis->append(handler_bci); |
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372 if (handler_bci == -1) { |
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373 // insert a wildcard handler at scope depth 0 so that the |
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374 // exception lookup logic with find it. |
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375 scope_depths->append(0); |
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376 } else { |
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377 scope_depths->append(scope_level); |
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378 } |
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379 pcos->append(handler_offset); |
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380 |
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381 // stop processing once we hit a catch any |
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382 // if (handler->is_catch_all()) { |
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383 // assert(i == handlers->length() - 1, "catch all must be last handler"); |
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384 // } |
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385 |
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386 } |
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387 _exception_handler_table.add_subtable(pc_offset, bcis, scope_depths, pcos); |
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388 } |
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389 } |
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390 |
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391 } |
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392 |
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393 void CodeInstaller::record_scope(jint pc_offset, oop code_pos) { |
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394 oop caller_pos = CiCodePos::caller(code_pos); |
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395 if (caller_pos != NULL) { |
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396 record_scope(pc_offset, caller_pos); |
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397 } |
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398 oop frame = NULL; |
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399 if (code_pos->klass()->klass_part()->name() == vmSymbols::com_sun_cri_ci_CiDebugInfo_Frame()) { |
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400 frame = code_pos; |
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401 } |
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402 |
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403 oop hotspot_method = CiCodePos::method(code_pos); |
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404 assert(hotspot_method != NULL && hotspot_method->is_a(HotSpotMethodResolved::klass()), "unexpected hotspot method"); |
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405 methodOop method = VmIds::get<methodOop>(HotSpotMethodResolved::vmId(hotspot_method)); |
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406 ciMethod *cimethod = (ciMethod *) _env->get_object(method); |
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407 jint bci = CiCodePos::bci(code_pos); |
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408 bool reexecute; |
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409 if (bci == -1) { |
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410 reexecute = false; |
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411 } else { |
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412 Bytecodes::Code code = Bytecodes::java_code_at(method->bcp_from(bci)); |
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413 reexecute = Interpreter::bytecode_should_reexecute(code); |
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414 } |
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415 |
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416 if (TraceC1X >= 2) { |
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417 tty->print_cr("Recording scope pc_offset=%d bci=%d frame=%d", pc_offset, bci, frame); |
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418 } |
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419 |
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420 if (frame != NULL) { |
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421 jint local_count = CiDebugInfo_Frame::numLocals(frame); |
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422 jint expression_count = CiDebugInfo_Frame::numStack(frame); |
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423 jint monitor_count = CiDebugInfo_Frame::numLocks(frame); |
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424 arrayOop values = (arrayOop) CiDebugInfo_Frame::values(frame); |
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425 |
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426 assert(local_count + expression_count + monitor_count == values->length(), "unexpected values length"); |
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427 |
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428 GrowableArray<ScopeValue*>* locals = new GrowableArray<ScopeValue*> (); |
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429 GrowableArray<ScopeValue*>* expressions = new GrowableArray<ScopeValue*> (); |
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430 GrowableArray<MonitorValue*>* monitors = new GrowableArray<MonitorValue*> (); |
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431 |
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432 if (TraceC1X >= 2) { |
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433 tty->print_cr("Scope at bci %d with %d values", bci, values->length()); |
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434 tty->print_cr("%d locals %d expressions, %d monitors", local_count, expression_count, monitor_count); |
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435 } |
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436 |
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437 for (jint i = 0; i < values->length(); i++) { |
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438 ScopeValue* value = get_hotspot_value(((oop*) values->base(T_OBJECT))[i], _frame_size); |
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439 |
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440 if (i < local_count) { |
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441 locals->append(value); |
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442 } else if (i < local_count + expression_count) { |
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443 expressions->append(value); |
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444 } else { |
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445 assert(value->is_location(), "invalid monitor location"); |
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446 LocationValue* loc = (LocationValue*)value; |
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447 int monitor_offset = loc->location().stack_offset(); |
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448 LocationValue* obj = new LocationValue(Location::new_stk_loc(Location::oop, monitor_offset + BasicObjectLock::obj_offset_in_bytes())); |
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449 monitors->append(new MonitorValue(obj, Location::new_stk_loc(Location::normal, monitor_offset + BasicObjectLock::lock_offset_in_bytes()))); |
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450 } |
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451 } |
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452 DebugToken* locals_token = _debug_recorder->create_scope_values(locals); |
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453 DebugToken* expressions_token = _debug_recorder->create_scope_values(expressions); |
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454 DebugToken* monitors_token = _debug_recorder->create_monitor_values(monitors); |
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455 |
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456 _debug_recorder->describe_scope(pc_offset, cimethod, bci, reexecute, false, false, locals_token, expressions_token, monitors_token); |
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457 } else { |
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458 _debug_recorder->describe_scope(pc_offset, cimethod, bci, reexecute, false, false, NULL, NULL, NULL); |
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459 } |
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460 } |
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461 |
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462 void CodeInstaller::site_Safepoint(CodeBuffer& buffer, jint pc_offset, oop site) { |
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463 oop debug_info = CiTargetMethod_Safepoint::debugInfo(site); |
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464 assert(debug_info != NULL, "debug info expected"); |
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465 |
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466 // address instruction = _instructions->start() + pc_offset; |
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467 // jint next_pc_offset = Assembler::locate_next_instruction(instruction) - _instructions->start(); |
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468 _debug_recorder->add_safepoint(pc_offset, create_oop_map(_frame_size, _parameter_count, debug_info)); |
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469 |
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470 oop code_pos = CiDebugInfo::codePos(debug_info); |
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471 record_scope(pc_offset, code_pos); |
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472 |
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473 _debug_recorder->end_safepoint(pc_offset); |
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474 } |
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475 |
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476 void CodeInstaller::site_Call(CodeBuffer& buffer, jint pc_offset, oop site) { |
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477 oop runtime_call = CiTargetMethod_Call::runtimeCall(site); |
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478 oop hotspot_method = CiTargetMethod_Call::method(site); |
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479 oop symbol = CiTargetMethod_Call::symbol(site); |
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480 oop global_stub = CiTargetMethod_Call::globalStubID(site); |
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481 |
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482 oop debug_info = CiTargetMethod_Call::debugInfo(site); |
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483 |
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484 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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485 |
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486 assert(NativeCall::instruction_size == (int)NativeJump::instruction_size, "unexpected size)"); |
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487 jint next_pc_offset = pc_offset + NativeCall::instruction_size; |
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488 |
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489 if (debug_info != NULL) { |
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490 _debug_recorder->add_safepoint(next_pc_offset, create_oop_map(_frame_size, _parameter_count, debug_info)); |
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491 oop code_pos = CiDebugInfo::codePos(debug_info); |
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492 record_scope(next_pc_offset, code_pos); |
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493 } |
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494 |
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495 if (runtime_call != NULL) { |
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496 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); |
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497 if (runtime_call == CiRuntimeCall::Debug()) { |
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498 TRACE_C1X_3("CiRuntimeCall::Debug()"); |
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499 } else if (runtime_call == CiRuntimeCall::UnwindException()) { |
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500 call->set_destination(Runtime1::entry_for(Runtime1::c1x_unwind_exception_call_id)); |
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501 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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502 TRACE_C1X_3("CiRuntimeCall::UnwindException()"); |
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503 } else if (runtime_call == CiRuntimeCall::HandleException()) { |
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504 call->set_destination(Runtime1::entry_for(Runtime1::c1x_handle_exception_id)); |
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505 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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506 TRACE_C1X_3("CiRuntimeCall::HandleException()"); |
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507 } else if (runtime_call == CiRuntimeCall::JavaTimeMillis()) { |
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508 call->set_destination((address)os::javaTimeMillis); |
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509 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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510 TRACE_C1X_3("CiRuntimeCall::JavaTimeMillis()"); |
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511 } else if (runtime_call == CiRuntimeCall::JavaTimeNanos()) { |
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512 call->set_destination((address)os::javaTimeNanos); |
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513 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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514 TRACE_C1X_3("CiRuntimeCall::JavaTimeNanos()"); |
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515 } else if (runtime_call == CiRuntimeCall::ArithmeticFrem()) { |
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516 call->set_destination(Runtime1::entry_for(Runtime1::c1x_arithmetic_frem_id)); |
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517 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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|
518 TRACE_C1X_3("CiRuntimeCall::ArithmeticFrem()"); |
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519 } else if (runtime_call == CiRuntimeCall::ArithmeticDrem()) { |
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|
520 call->set_destination(Runtime1::entry_for(Runtime1::c1x_arithmetic_drem_id)); |
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|
521 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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|
522 TRACE_C1X_3("CiRuntimeCall::ArithmeticDrem()"); |
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523 } else if (runtime_call == CiRuntimeCall::RegisterFinalizer()) { |
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|
524 call->set_destination(Runtime1::entry_for(Runtime1::register_finalizer_id)); |
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|
525 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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|
526 } else if (runtime_call == CiRuntimeCall::Deoptimize()) { |
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|
527 call->set_destination(SharedRuntime::deopt_blob()->uncommon_trap()); |
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|
528 _instructions->relocate(call->instruction_address(), runtime_call_Relocation::spec(), Assembler::call32_operand); |
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529 } else { |
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|
530 runtime_call->print(); |
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diff
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|
531 fatal("runtime_call not implemented"); |
1429
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|
532 } |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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533 } else if (global_stub != NULL) { |
1433
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various fixes and enhancements
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|
534 NativeInstruction* inst = nativeInstruction_at(_instructions->start() + pc_offset); |
1429
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535 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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|
536 |
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|
537 if (inst->is_call()) { |
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|
538 nativeCall_at((address)inst)->set_destination(VmIds::getStub(global_stub)); |
efba53f86c4f
various fixes and enhancements
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1432
diff
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|
539 } else { |
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|
540 nativeJump_at((address)inst)->set_jump_destination(VmIds::getStub(global_stub)); |
efba53f86c4f
various fixes and enhancements
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|
541 } |
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various fixes and enhancements
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|
542 _instructions->relocate((address)inst, runtime_call_Relocation::spec(), Assembler::call32_operand); |
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various fixes and enhancements
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543 TRACE_C1X_3("relocating (stub) at %016x", inst); |
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544 } else if (symbol != NULL) { |
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545 fatal("symbol"); |
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546 } else { // method != NULL |
1433
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547 NativeCall* call = nativeCall_at(_instructions->start() + pc_offset); |
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548 assert(hotspot_method != NULL, "unexpected RiMethod"); |
abc670a709dc
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549 assert(debug_info != NULL, "debug info expected"); |
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550 |
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551 methodOop method = NULL; |
1432
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|
552 if (hotspot_method->is_a(HotSpotMethodResolved::klass())) method = VmIds::get<methodOop>(HotSpotMethodResolved::vmId(hotspot_method)); |
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553 |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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|
554 assert(debug_info != NULL, "debug info expected"); |
abc670a709dc
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diff
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|
555 |
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|
556 TRACE_C1X_3("method call"); |
1432
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557 switch (_next_call_type) { |
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558 case MARK_INVOKEVIRTUAL: |
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559 case MARK_INVOKEINTERFACE: { |
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|
560 assert(method == NULL || !method->is_static(), "cannot call static method with invokeinterface"); |
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561 |
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562 call->set_destination(SharedRuntime::get_resolve_virtual_call_stub()); |
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563 _instructions->relocate(call->instruction_address(), virtual_call_Relocation::spec(_invoke_mark_pc), Assembler::call32_operand); |
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refactoring classes into separate files
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564 break; |
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|
565 } |
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diff
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|
566 case MARK_INVOKESTATIC: { |
1429
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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diff
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567 assert(method == NULL || method->is_static(), "cannot call non-static method with invokestatic"); |
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Lukas Stadler <lukas.stadler@oracle.com>
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568 call->set_destination(SharedRuntime::get_resolve_static_call_stub()); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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diff
changeset
|
569 _instructions->relocate(call->instruction_address(), relocInfo::static_call_type, Assembler::call32_operand); |
1428
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refactoring classes into separate files
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|
570 break; |
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refactoring classes into separate files
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diff
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|
571 } |
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refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
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|
572 case MARK_INVOKESPECIAL: { |
1429
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Lukas Stadler <lukas.stadler@oracle.com>
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1428
diff
changeset
|
573 assert(method == NULL || !method->is_static(), "cannot call static method with invokespecial"); |
1428
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Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
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|
574 |
1429
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|
575 call->set_destination(SharedRuntime::get_resolve_opt_virtual_call_stub()); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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diff
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|
576 _instructions->relocate(call->instruction_address(), relocInfo::opt_virtual_call_type, Assembler::call32_operand); |
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diff
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|
577 break; |
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refactoring classes into separate files
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diff
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|
578 } |
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refactoring classes into separate files
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diff
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|
579 case MARK_INVOKE_INVALID: |
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diff
changeset
|
580 default: |
1931
48bbaead8b6c
Adjustments after merge with OpenJDK repository.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
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1484
diff
changeset
|
581 fatal("invalid _next_call_type value"); |
1428
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diff
changeset
|
582 break; |
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refactoring classes into separate files
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parents:
diff
changeset
|
583 } |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
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|
584 } |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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1428
diff
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|
585 _next_call_type = MARK_INVOKE_INVALID; |
abc670a709dc
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1428
diff
changeset
|
586 if (debug_info != NULL) { |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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1428
diff
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|
587 _debug_recorder->end_safepoint(next_pc_offset); |
1428
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parents:
diff
changeset
|
588 } |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
589 } |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
590 |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
591 void CodeInstaller::site_DataPatch(CodeBuffer& buffer, jint pc_offset, oop site) { |
695451afc619
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parents:
diff
changeset
|
592 oop constant = CiTargetMethod_DataPatch::constant(site); |
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parents:
diff
changeset
|
593 oop kind = CiConstant::kind(constant); |
695451afc619
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parents:
diff
changeset
|
594 |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
595 address instruction = _instructions->start() + pc_offset; |
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refactoring classes into separate files
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parents:
diff
changeset
|
596 |
1432
b61a43cd1255
sourcecode formatting
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parents:
1429
diff
changeset
|
597 switch (CiKind::typeChar(kind)) { |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
598 case 'z': |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
599 case 'b': |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
600 case 's': |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
601 case 'c': |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
602 case 'i': |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1429
diff
changeset
|
603 fatal("int-sized values not expected in DataPatch") |
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1429
diff
changeset
|
604 ; |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
605 break; |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
606 case 'f': |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
607 case 'l': |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
608 case 'd': { |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
609 address operand = Assembler::locate_operand(instruction, Assembler::disp32_operand); |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
610 address next_instruction = Assembler::locate_next_instruction(instruction); |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
611 // we don't care if this is a long/double/etc., the primitive field contains the right bits |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
612 address dest = _constants->end(); |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
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1429
diff
changeset
|
613 *(jlong*) dest = CiConstant::primitive(constant); |
1428
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
614 _constants->set_end(dest + BytesPerLong); |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
615 |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
616 long disp = dest - next_instruction; |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
617 assert(disp == (jint) disp, "disp doesn't fit in 32 bits"); |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
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1429
diff
changeset
|
618 *((jint*) operand) = (jint) disp; |
1428
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
619 |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1429
diff
changeset
|
620 _instructions->relocate(instruction, section_word_Relocation::spec((address) dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand); |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
621 TRACE_C1X_3("relocating (Float/Long/Double) at %016x/%016x", instruction, operand); |
1428
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
622 break; |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
623 } |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
624 case 'a': { |
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
625 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
|
626 Handle obj = CiConstant::object(constant); |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
627 |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
628 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
|
629 assert(!obj.is_null(), ""); |
1941
79d04223b8a5
Added caching for resolved types and resolved fields.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1938
diff
changeset
|
630 *((jobject*) operand) = JNIHandles::make_local(java_lang_Class::as_klassOop(HotSpotTypeResolved::javaMirror(obj))); |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
631 _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
|
632 TRACE_C1X_3("relocating (HotSpotType) at %016x/%016x", instruction, operand); |
1428
695451afc619
refactoring classes into separate files
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parents:
diff
changeset
|
633 } 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
|
634 jobject value; |
1484
6b7001391c97
Fix dummy obj boxed long hack by replacing it with a reliable solution.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1476
diff
changeset
|
635 if (obj() == HotSpotProxy::DUMMY_CONSTANT_OBJ()) { |
6b7001391c97
Fix dummy obj boxed long hack by replacing it with a reliable solution.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1476
diff
changeset
|
636 value = (jobject) Universe::non_oop_word(); |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
637 } 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
|
638 value = JNIHandles::make_local(obj()); |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
639 } |
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
|
640 *((jobject*) operand) = value; |
1428
695451afc619
refactoring classes into separate files
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641 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); |
1429
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642 TRACE_C1X_3("relocating (oop constant) at %016x/%016x", instruction, operand); |
1428
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|
643 } |
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refactoring classes into separate files
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|
644 break; |
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refactoring classes into separate files
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diff
changeset
|
645 } |
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refactoring classes into separate files
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|
646 default: |
1931
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Adjustments after merge with OpenJDK repository.
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1484
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647 fatal("unexpected CiKind in DataPatch"); |
1428
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648 break; |
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|
649 } |
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changeset
|
650 } |
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changeset
|
651 |
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refactoring classes into separate files
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652 void CodeInstaller::site_Mark(CodeBuffer& buffer, jint pc_offset, oop site) { |
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653 oop id_obj = CiTargetMethod_Mark::id(site); |
1432
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1429
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654 arrayOop references = (arrayOop) CiTargetMethod_Mark::references(site); |
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655 |
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656 if (id_obj != NULL) { |
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657 assert(java_lang_boxing_object::is_instance(id_obj, T_INT), "Integer id expected"); |
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658 jint id = id_obj->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT)); |
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659 |
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660 address instruction = _instructions->start() + pc_offset; |
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661 |
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662 switch (id) { |
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663 case MARK_UNVERIFIED_ENTRY: |
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664 _offsets.set_value(CodeOffsets::Entry, pc_offset); |
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665 break; |
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666 case MARK_VERIFIED_ENTRY: |
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667 _offsets.set_value(CodeOffsets::Verified_Entry, pc_offset); |
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668 break; |
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669 case MARK_OSR_ENTRY: |
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670 _offsets.set_value(CodeOffsets::OSR_Entry, pc_offset); |
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diff
changeset
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671 break; |
1429
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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672 case MARK_UNWIND_ENTRY: |
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673 _offsets.set_value(CodeOffsets::UnwindHandler, pc_offset); |
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674 break; |
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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675 case MARK_EXCEPTION_HANDLER_ENTRY: |
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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676 _offsets.set_value(CodeOffsets::Exceptions, pc_offset); |
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* -XX:TraceC1X=0...5 controls the native c1x tracing
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677 break; |
1936
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
|
678 case MARK_DEOPT_HANDLER_ENTRY: |
8d88c9ac9247
Correct deopt handler entry. New flag -XX:+TraceSignals. More detailed deopt printing.
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diff
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|
679 _offsets.set_value(CodeOffsets::Deopt, pc_offset); |
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Correct deopt handler entry. New flag -XX:+TraceSignals. More detailed deopt printing.
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diff
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|
680 break; |
1428
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681 case MARK_STATIC_CALL_STUB: { |
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682 assert(references->length() == 1, "static call stub needs one reference"); |
1432
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sourcecode formatting
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diff
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683 oop ref = ((oop*) references->base(T_OBJECT))[0]; |
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684 address call_pc = _instructions->start() + CiTargetMethod_Site::pcOffset(ref); |
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|
685 _instructions->relocate(instruction, static_stub_Relocation::spec(call_pc)); |
1441
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Fix oop relocation for static stub calls.
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1439
diff
changeset
|
686 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand); |
1428
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|
687 break; |
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changeset
|
688 } |
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|
689 case MARK_INVOKE_INVALID: |
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|
690 case MARK_INVOKEINTERFACE: |
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|
691 case MARK_INVOKESTATIC: |
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|
692 case MARK_INVOKESPECIAL: |
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diff
changeset
|
693 case MARK_INVOKEVIRTUAL: |
1432
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1429
diff
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|
694 _next_call_type = (MarkId) id; |
1428
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|
695 _invoke_mark_pc = instruction; |
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changeset
|
696 break; |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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diff
changeset
|
697 case MARK_IMPLICIT_NULL: |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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1428
diff
changeset
|
698 _implicit_exception_table.append(pc_offset, pc_offset); |
1428
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diff
changeset
|
699 break; |
1433
efba53f86c4f
various fixes and enhancements
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1432
diff
changeset
|
700 case MARK_KLASS_PATCHING: |
efba53f86c4f
various fixes and enhancements
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1432
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changeset
|
701 case MARK_ACCESS_FIELD_PATCHING: { |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
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|
702 unsigned char* byte_count = (unsigned char*) (instruction - 1); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
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diff
changeset
|
703 unsigned char* byte_skip = (unsigned char*) (instruction - 2); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
704 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
|
705 |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
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parents:
1428
diff
changeset
|
706 assert(*byte_skip == 5, "unexpected byte_skip"); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
707 |
1433
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
708 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
|
709 oop ref1 = ((oop*) references->base(T_OBJECT))[0]; |
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1429
diff
changeset
|
710 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
|
711 int i_byte_count = CiTargetMethod_Site::pcOffset(ref2) - CiTargetMethod_Site::pcOffset(ref1); |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
712 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>
parents:
1428
diff
changeset
|
713 *byte_count = i_byte_count; |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
714 *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
|
715 |
1433
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
716 // 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
|
717 if (id == MARK_ACCESS_FIELD_PATCHING) { |
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
718 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
|
719 assert(inst->offset() == max_jint, "unexpected offset value"); |
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
720 inst->set_offset(0); |
efba53f86c4f
various fixes and enhancements
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1432
diff
changeset
|
721 } |
1429
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
722 break; |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
723 } |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
724 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
|
725 _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
|
726 |
1432
b61a43cd1255
sourcecode formatting
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1429
diff
changeset
|
727 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
|
728 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
|
729 break; |
abc670a709dc
* -XX:TraceC1X=0...5 controls the native c1x tracing
Lukas Stadler <lukas.stadler@oracle.com>
parents:
1428
diff
changeset
|
730 } |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
731 default: |
1931
48bbaead8b6c
Adjustments after merge with OpenJDK repository.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1484
diff
changeset
|
732 ShouldNotReachHere(); |
1428
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
733 break; |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
734 } |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
735 } |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
736 } |
695451afc619
refactoring classes into separate files
Lukas Stadler <lukas.stadler@oracle.com>
parents:
diff
changeset
|
737 |