Mercurial > projects > ldc
annotate gen/todebug.cpp @ 946:1714836f2c0b
Mostly rewrite debug info generation in terms of llvm/Analysis/DebugInfo.h.
Add getCompilationModule to Dsymbol and fix template compile unit decision code.
Runtime compiles with -g again.
author | Christian Kamm <kamm incasoftware de> |
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date | Sun, 08 Feb 2009 16:50:22 +0100 |
parents | 01d9ece9982a |
children | 8a70b4381369 |
rev | line source |
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1 #include "gen/llvm.h" |
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2 #include "llvm/Support/Dwarf.h" |
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3 #include "llvm/CodeGen/MachineModuleInfo.h" |
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4 #include "llvm/System/Path.h" |
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5 |
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6 #include "declaration.h" |
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7 #include "module.h" |
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8 #include "mars.h" |
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9 |
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10 #include "gen/todebug.h" |
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11 #include "gen/irstate.h" |
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12 #include "gen/tollvm.h" |
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13 #include "gen/logger.h" |
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14 |
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15 #include "ir/irmodule.h" |
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16 |
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17 using namespace llvm::dwarf; |
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18 |
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19 #define DBG_NULL ( LLConstant::getNullValue(DBG_TYPE) ) |
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20 #define DBG_TYPE ( getPtrToType(llvm::StructType::get(NULL,NULL)) ) |
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21 #define DBG_CAST(X) ( llvm::ConstantExpr::getBitCast(X, DBG_TYPE) ) |
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22 |
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23 #define DBG_TAG(X) ( llvm::ConstantExpr::getAdd( DtoConstUint( X ), DtoConstUint( llvm::LLVMDebugVersion ) ) ) |
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24 |
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25 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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26 |
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27 /** |
252 | 28 * Emits a global variable, LLVM Dwarf style, only declares. |
29 * @param type Type of variable. | |
30 * @param name Name. | |
31 * @return The global variable. | |
32 */ | |
33 static LLGlobalVariable* emitDwarfGlobalDecl(const LLStructType* type, const char* name, bool linkonce=false) | |
34 { | |
35 LLGlobalValue::LinkageTypes linkage = linkonce ? LLGlobalValue::LinkOnceLinkage : LLGlobalValue::InternalLinkage; | |
36 LLGlobalVariable* gv = new LLGlobalVariable(type, true, linkage, NULL, name, gIR->module); | |
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37 gv->setSection("llvm.metadata"); |
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38 return gv; |
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39 } |
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40 |
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41 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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42 |
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43 static llvm::DIAnchor getDwarfAnchor(dwarf_constants c) |
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44 { |
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45 switch (c) |
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46 { |
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47 case DW_TAG_compile_unit: |
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48 return gIR->difactory.GetOrCreateCompileUnitAnchor(); |
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49 case DW_TAG_variable: |
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50 return gIR->difactory.GetOrCreateGlobalVariableAnchor(); |
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51 case DW_TAG_subprogram: |
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52 return gIR->difactory.GetOrCreateSubprogramAnchor(); |
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53 default: |
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54 assert(0); |
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55 } |
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56 } |
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57 |
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58 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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59 |
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60 static const llvm::StructType* getDwarfCompileUnitType() { |
96 | 61 return isaStruct(gIR->module->getTypeByName("llvm.dbg.compile_unit.type")); |
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62 } |
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63 |
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64 static const llvm::StructType* getDwarfSubProgramType() { |
96 | 65 return isaStruct(gIR->module->getTypeByName("llvm.dbg.subprogram.type")); |
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66 } |
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67 |
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68 static const llvm::StructType* getDwarfVariableType() { |
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69 return isaStruct(gIR->module->getTypeByName("llvm.dbg.variable.type")); |
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70 } |
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71 |
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72 static const llvm::StructType* getDwarfDerivedTypeType() { |
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73 return isaStruct(gIR->module->getTypeByName("llvm.dbg.derivedtype.type")); |
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74 } |
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75 |
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76 static const llvm::StructType* getDwarfBasicTypeType() { |
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77 return isaStruct(gIR->module->getTypeByName("llvm.dbg.basictype.type")); |
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78 } |
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79 |
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80 static const llvm::StructType* getDwarfCompositeTypeType() { |
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81 return isaStruct(gIR->module->getTypeByName("llvm.dbg.compositetype.type")); |
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82 } |
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83 |
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84 static const llvm::StructType* getDwarfGlobalVariableType() { |
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85 return isaStruct(gIR->module->getTypeByName("llvm.dbg.global_variable.type")); |
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86 } |
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87 |
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88 |
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89 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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90 |
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91 static llvm::DIType dwarfTypeDescription_impl(Type* type, llvm::DICompileUnit cu, const char* c_name); |
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92 static llvm::DIType dwarfTypeDescription(Type* type, llvm::DICompileUnit cu, const char* c_name); |
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93 |
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94 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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95 |
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96 static llvm::DIBasicType dwarfBasicType(Type* type, llvm::DICompileUnit compileUnit) |
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97 { |
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98 Type* t = type->toBasetype(); |
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99 const LLType* T = DtoType(type); |
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100 |
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101 // find encoding |
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102 unsigned id; |
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103 if (t->isintegral()) |
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104 { |
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105 if (type->isunsigned()) |
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106 id = DW_ATE_unsigned; |
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107 else |
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108 id = DW_ATE_signed; |
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109 } |
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110 else if (t->isfloating()) |
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111 { |
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112 id = DW_ATE_float; |
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113 } |
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114 else |
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115 { |
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116 assert(0 && "unsupported basictype for debug info"); |
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117 } |
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118 |
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119 return gIR->difactory.CreateBasicType( |
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120 compileUnit, // context |
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121 type->toChars(), // name |
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122 llvm::DICompileUnit(NULL), // compile unit |
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123 0, // line number |
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124 getTypeBitSize(T), // size (bits) |
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125 getABITypeAlign(T)*8, // align (bits) |
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126 0, // offset (bits) |
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127 //FIXME: need flags? |
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128 0, // flags |
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129 id // encoding |
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130 ); |
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131 } |
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132 |
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133 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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134 |
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135 static llvm::DIDerivedType dwarfDerivedType(Type* type, llvm::DICompileUnit compileUnit) |
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136 { |
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137 const LLType* T = DtoType(type); |
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138 Type* t = type->toBasetype(); |
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139 |
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140 assert(t->ty == Tpointer && "unsupported derivedtype for debug info, only pointers allowed"); |
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141 |
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142 // find base type |
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143 llvm::DIType basetype; |
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144 Type* nt = t->nextOf(); |
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145 basetype = dwarfTypeDescription_impl(nt, compileUnit, NULL); |
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146 if (nt->ty == Tvoid) |
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147 basetype = llvm::DIType(NULL); |
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148 |
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149 return gIR->difactory.CreateDerivedType( |
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150 DW_TAG_pointer_type, // tag |
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151 compileUnit, // context |
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152 "", // name |
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153 llvm::DICompileUnit(NULL), // compile unit |
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154 0, // line number |
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155 getTypeBitSize(T), // size (bits) |
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156 getABITypeAlign(T)*8, // align (bits) |
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157 0, // offset (bits) |
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158 //FIXME: need flags? |
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159 0, // flags |
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160 basetype // derived from |
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161 ); |
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162 } |
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163 |
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164 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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165 |
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166 static llvm::DIDerivedType dwarfMemberType(unsigned linnum, Type* type, llvm::DICompileUnit compileUnit, llvm::DICompileUnit definedCU, const char* c_name, unsigned offset) |
246
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167 { |
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168 const LLType* T = DtoType(type); |
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169 Type* t = type->toBasetype(); |
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170 |
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171 // find base type |
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172 llvm::DIType basetype; |
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173 basetype = dwarfTypeDescription(t, compileUnit, NULL); |
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174 if (t->ty == Tvoid) |
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175 basetype = llvm::DIType(NULL); |
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176 |
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177 return gIR->difactory.CreateDerivedType( |
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178 DW_TAG_member, // tag |
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179 compileUnit, // context |
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180 c_name, // name |
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181 definedCU, // compile unit |
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182 linnum, // line number |
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183 getTypeBitSize(T), // size (bits) |
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184 getABITypeAlign(T)*8, // align (bits) |
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185 offset*8, // offset (bits) |
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186 //FIXME: need flags? |
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187 0, // flags |
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188 basetype // derived from |
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189 ); |
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190 } |
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191 |
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192 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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193 |
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194 //FIXME: This does not use llvm's DIFactory as it can't |
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195 // handle recursive types properly. |
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196 static llvm::DICompositeType dwarfCompositeType(Type* type, llvm::DICompileUnit compileUnit) |
246
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197 { |
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198 const LLType* T = DtoType(type); |
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199 Type* t = type->toBasetype(); |
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200 |
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201 // defaults |
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202 LLConstant* name = getNullPtr(getVoidPtrType()); |
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203 LLGlobalVariable* members = NULL; |
252 | 204 unsigned linnum = 0; |
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205 llvm::DICompileUnit definedCU; |
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206 |
250
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207 // prepare tag and members |
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208 unsigned tag; |
252 | 209 |
210 // declare final global variable | |
211 LLGlobalVariable* gv = NULL; | |
212 | |
213 // dynamic array | |
246
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214 if (t->ty == Tarray) |
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215 { |
250
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216 tag = DW_TAG_structure_type; |
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217 |
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218 LLGlobalVariable* len = dwarfMemberType(0, Type::tsize_t, compileUnit, llvm::DICompileUnit(NULL), "length", 0).getGV(); |
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219 assert(len); |
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220 LLGlobalVariable* ptr = dwarfMemberType(0, t->nextOf()->pointerTo(), compileUnit, llvm::DICompileUnit(NULL), "ptr", global.params.is64bit?8:4).getGV(); |
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221 assert(ptr); |
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222 |
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223 const LLArrayType* at = LLArrayType::get(DBG_TYPE, 2); |
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224 |
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225 std::vector<LLConstant*> elems(2); |
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226 elems[0] = DBG_CAST(len); |
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227 elems[1] = DBG_CAST(ptr); |
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228 |
252 | 229 LLConstant* ca = LLConstantArray::get(at, elems); |
230 members = new LLGlobalVariable(ca->getType(), true, LLGlobalValue::InternalLinkage, ca, ".array", gIR->module); | |
231 members->setSection("llvm.metadata"); | |
232 | |
233 name = DtoConstStringPtr(t->toChars(), "llvm.metadata"); | |
234 } | |
235 | |
268
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236 // struct/class |
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237 else if (t->ty == Tstruct || t->ty == Tclass) |
252 | 238 { |
268
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239 AggregateDeclaration* sd; |
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240 if (t->ty == Tstruct) |
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241 { |
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242 TypeStruct* ts = (TypeStruct*)t; |
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243 sd = ts->sym; |
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244 } |
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245 else |
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246 { |
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247 TypeClass* tc = (TypeClass*)t; |
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248 sd = tc->sym; |
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249 } |
252 | 250 assert(sd); |
251 | |
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252 // if we don't know the aggregate's size, we don't know enough about it |
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253 // to provide debug info. probably a forward-declared struct? |
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254 if (sd->sizeok == 0) |
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255 return llvm::DICompositeType(NULL); |
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256 |
252 | 257 IrStruct* ir = sd->ir.irStruct; |
258 assert(ir); | |
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259 if (!ir->diCompositeType.isNull()) |
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260 return ir->diCompositeType; |
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261 |
252 | 262 // set to handle recursive types properly |
263 gv = emitDwarfGlobalDecl(getDwarfCompositeTypeType(), "llvm.dbg.compositetype"); | |
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264 // set bogus initializer to satisfy asserts in DICompositeType constructor |
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265 gv->setInitializer(LLConstant::getNullValue(getDwarfCompositeTypeType())); |
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266 ir->diCompositeType = llvm::DICompositeType(gv); |
252 | 267 |
268 tag = DW_TAG_structure_type; | |
269 | |
270 name = DtoConstStringPtr(sd->toChars(), "llvm.metadata"); | |
271 linnum = sd->loc.linnum; | |
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272 definedCU = DtoDwarfCompileUnit(sd->getCompilationModule()); |
252 | 273 |
274 std::vector<LLConstant*> elems; | |
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275 if (!ir->aggrdecl->isInterfaceDeclaration()) // plain interfaces don't have one |
252 | 276 { |
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277 std::vector<VarDeclaration*>& arr = ir->varDecls; |
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278 size_t narr = arr.size(); |
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279 elems.reserve(narr); |
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280 for (int k=0; k<narr; k++) |
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281 { |
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282 VarDeclaration* vd = arr[k]; |
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283 assert(vd); |
252 | 284 |
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285 LLGlobalVariable* ptr = dwarfMemberType(vd->loc.linnum, vd->type, compileUnit, definedCU, vd->toChars(), vd->offset).getGV(); |
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286 elems.push_back(DBG_CAST(ptr)); |
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287 } |
252 | 288 } |
289 | |
290 const LLArrayType* at = LLArrayType::get(DBG_TYPE, elems.size()); | |
246
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291 LLConstant* ca = LLConstantArray::get(at, elems); |
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292 members = new LLGlobalVariable(ca->getType(), true, LLGlobalValue::InternalLinkage, ca, ".array", gIR->module); |
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293 members->setSection("llvm.metadata"); |
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294 } |
252 | 295 |
296 // unsupported composite type | |
246
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297 else |
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298 { |
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299 assert(0 && "unsupported compositetype for debug info"); |
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300 } |
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301 |
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302 std::vector<LLConstant*> vals(11); |
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303 |
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304 // tag |
268
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305 vals[0] = DBG_TAG(tag); |
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306 |
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307 // context |
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308 vals[1] = DBG_CAST(compileUnit.getGV()); |
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309 |
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310 // name |
268
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311 vals[2] = name; |
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312 |
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313 // compile unit where defined |
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314 if (definedCU.getGV()) |
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315 vals[3] = DBG_CAST(definedCU.getGV()); |
252 | 316 else |
268
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317 vals[3] = DBG_NULL; |
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318 |
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319 // line number where defined |
268
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320 vals[4] = DtoConstInt(linnum); |
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321 |
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322 // size in bits |
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323 vals[5] = LLConstantInt::get(LLType::Int64Ty, getTypeBitSize(T), false); |
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324 |
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325 // alignment in bits |
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326 vals[6] = LLConstantInt::get(LLType::Int64Ty, getABITypeAlign(T)*8, false); |
246
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327 |
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328 // offset in bits |
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329 vals[7] = LLConstantInt::get(LLType::Int64Ty, 0, false); |
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330 |
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331 // FIXME: dont know what this is |
268
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332 vals[8] = DtoConstUint(0); |
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333 |
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334 // FIXME: ditto |
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335 vals[9] = DBG_NULL; |
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336 |
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337 // members array |
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338 if (members) |
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339 vals[10] = DBG_CAST(members); |
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340 else |
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341 vals[10] = DBG_NULL; |
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342 |
252 | 343 // set initializer |
344 if (!gv) | |
345 gv = emitDwarfGlobalDecl(getDwarfCompositeTypeType(), "llvm.dbg.compositetype"); | |
346 LLConstant* initia = LLConstantStruct::get(getDwarfCompositeTypeType(), vals); | |
347 gv->setInitializer(initia); | |
348 | |
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349 return llvm::DICompositeType(gv); |
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350 } |
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351 |
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352 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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353 |
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354 static llvm::DIGlobalVariable dwarfGlobalVariable(LLGlobalVariable* ll, VarDeclaration* vd) |
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355 { |
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356 assert(vd->isDataseg()); |
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357 llvm::DICompileUnit compileUnit = DtoDwarfCompileUnit(gIR->dmodule); |
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358 |
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359 return gIR->difactory.CreateGlobalVariable( |
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360 compileUnit, // context |
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361 vd->mangle(), // name |
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362 vd->toPrettyChars(), // displayname |
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363 vd->toChars(), // linkage name |
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364 DtoDwarfCompileUnit(vd->getCompilationModule()), // compile unit |
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365 vd->loc.linnum, // line num |
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366 dwarfTypeDescription_impl(vd->type, compileUnit, NULL), // type |
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367 vd->protection == PROTprivate, // is local to unit |
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368 vd->getCompilationModule() == gIR->dmodule, // is definition |
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369 ll // value |
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370 ); |
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371 } |
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372 |
252 | 373 ////////////////////////////////////////////////////////////////////////////////////////////////// |
374 | |
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375 static llvm::DIVariable dwarfVariable(VarDeclaration* vd, llvm::DIType type) |
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376 { |
250
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377 assert(!vd->isDataseg() && "static variable"); |
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378 |
244
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379 unsigned tag; |
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380 if (vd->isParameter()) |
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381 tag = DW_TAG_arg_variable; |
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382 else |
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383 tag = DW_TAG_auto_variable; |
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384 |
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385 return gIR->difactory.CreateVariable( |
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386 tag, // tag |
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387 gIR->func()->diSubprogram, // context |
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388 vd->toChars(), // name |
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389 DtoDwarfCompileUnit(vd->getCompilationModule()), // compile unit |
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390 vd->loc.linnum, // line num |
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391 type // type |
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392 ); |
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393 } |
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394 |
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395 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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396 |
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397 static void dwarfDeclare(LLValue* var, llvm::DIVariable divar) |
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398 { |
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399 gIR->difactory.InsertDeclare(var, divar, gIR->scopebb()); |
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400 } |
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401 |
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402 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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403 |
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404 static llvm::DIType dwarfTypeDescription_impl(Type* type, llvm::DICompileUnit cu, const char* c_name) |
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405 { |
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406 Type* t = type->toBasetype(); |
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407 if (t->ty == Tvoid) |
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408 return llvm::DIType(NULL); |
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409 else if (t->isintegral() || t->isfloating()) |
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410 return dwarfBasicType(type, cu); |
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411 else if (t->ty == Tpointer) |
252 | 412 return dwarfDerivedType(type, cu); |
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413 else if (t->ty == Tarray || t->ty == Tstruct || t->ty == Tclass) |
252 | 414 return dwarfCompositeType(type, cu); |
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415 |
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416 return llvm::DIType(NULL); |
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417 } |
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418 |
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419 static llvm::DIType dwarfTypeDescription(Type* type, llvm::DICompileUnit cu, const char* c_name) |
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420 { |
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421 Type* t = type->toBasetype(); |
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422 if (t->ty == Tclass) |
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423 return dwarfTypeDescription_impl(type->pointerTo(), cu, c_name); |
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424 else |
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425 return dwarfTypeDescription_impl(type, cu, c_name); |
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426 } |
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427 |
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428 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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429 |
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430 void DtoDwarfLocalVariable(LLValue* ll, VarDeclaration* vd) |
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431 { |
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432 Logger::println("D to dwarf local variable"); |
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433 LOG_SCOPE; |
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434 |
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435 // get compile units |
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436 llvm::DICompileUnit thisCU = DtoDwarfCompileUnit(gIR->dmodule); |
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437 llvm::DICompileUnit varCU = thisCU; |
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438 if (vd->getCompilationModule() != gIR->dmodule) |
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439 varCU = DtoDwarfCompileUnit(vd->getCompilationModule()); |
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440 |
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441 // get type description |
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442 llvm::DIType TD = dwarfTypeDescription(vd->type, thisCU, NULL); |
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443 if (TD.isNull()) |
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444 return; // unsupported |
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445 |
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446 // get variable description |
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447 llvm::DIVariable VD = dwarfVariable(vd, TD); |
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448 |
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449 // declare |
246
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450 dwarfDeclare(ll, VD); |
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451 } |
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452 |
250
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453 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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454 |
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455 llvm::DICompileUnit DtoDwarfCompileUnit(Module* m) |
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456 { |
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457 Logger::println("D to dwarf compile_unit"); |
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458 LOG_SCOPE; |
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459 |
250
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460 // we might be generating for an import |
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461 if (!m->ir.irModule) |
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462 m->ir.irModule = new IrModule(m, m->srcfile->toChars()); |
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463 else if (!m->ir.irModule->diCompileUnit.isNull()) |
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464 { |
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465 assert (m->ir.irModule->diCompileUnit.getGV()->getParent() == gIR->module |
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466 && "debug info compile unit belongs to incorrect llvm module!"); |
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467 return m->ir.irModule->diCompileUnit; |
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468 } |
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469 |
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470 // prepare srcpath |
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471 std::string srcpath(FileName::path(m->srcfile->name->toChars())); |
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472 if (!FileName::absolute(srcpath.c_str())) { |
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473 llvm::sys::Path tmp = llvm::sys::Path::GetCurrentDirectory(); |
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474 tmp.appendComponent(srcpath); |
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475 srcpath = tmp.toString(); |
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476 if (!srcpath.empty() && *srcpath.rbegin() != '/' && *srcpath.rbegin() != '\\') |
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477 srcpath = srcpath + '/'; |
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478 } |
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479 |
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480 // make compile unit |
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481 m->ir.irModule->diCompileUnit = gIR->difactory.CreateCompileUnit( |
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482 global.params.symdebug == 2 ? DW_LANG_C : DW_LANG_D, |
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483 m->srcfile->name->toChars(), |
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484 srcpath, |
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485 "LDC (http://www.dsource.org/projects/ldc)", |
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486 //FIXME: What do these two mean? |
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487 false, // isMain, |
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488 false // isOptimized |
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489 ); |
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490 |
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491 return m->ir.irModule->diCompileUnit; |
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492 } |
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493 |
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494 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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495 |
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496 llvm::DISubprogram DtoDwarfSubProgram(FuncDeclaration* fd) |
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497 { |
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498 Logger::println("D to dwarf subprogram"); |
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499 LOG_SCOPE; |
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500 |
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501 llvm::DICompileUnit context = DtoDwarfCompileUnit(gIR->dmodule); |
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502 llvm::DICompileUnit definition = DtoDwarfCompileUnit(fd->getCompilationModule()); |
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503 |
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504 // FIXME: duplicates ? |
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505 return gIR->difactory.CreateSubprogram( |
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506 context, // context |
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507 fd->toPrettyChars(), // name |
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508 fd->toPrettyChars(), // display name |
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509 fd->mangle(), // linkage name |
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510 definition, // compile unit |
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511 fd->loc.linnum, // line no |
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512 //FIXME: what's this type for? |
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513 llvm::DIType(NULL), // type |
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514 fd->protection == PROTprivate, // is local to unit |
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515 context.getGV() == definition.getGV() // isdefinition |
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516 ); |
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517 } |
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518 |
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519 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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520 |
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521 llvm::DISubprogram DtoDwarfSubProgramInternal(const char* prettyname, const char* mangledname) |
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522 { |
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523 Logger::println("D to dwarf subprogram"); |
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524 LOG_SCOPE; |
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525 |
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526 llvm::DICompileUnit context = DtoDwarfCompileUnit(gIR->dmodule); |
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527 |
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528 // FIXME: duplicates ? |
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529 return gIR->difactory.CreateSubprogram( |
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530 context, // context |
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531 prettyname, // name |
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532 prettyname, // display name |
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533 mangledname, // linkage name |
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534 context, // compile unit |
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535 0, // line no |
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536 //FIXME: what's this type for? |
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537 llvm::DIType(NULL), // type |
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538 true, // is local to unit |
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539 true // isdefinition |
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540 ); |
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541 } |
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542 |
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543 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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544 |
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545 llvm::DIGlobalVariable DtoDwarfGlobalVariable(LLGlobalVariable* ll, VarDeclaration* vd) |
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546 { |
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547 Logger::println("D to dwarf global_variable"); |
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548 LOG_SCOPE; |
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549 |
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550 // FIXME: duplicates ? |
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551 return dwarfGlobalVariable(ll, vd); |
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552 } |
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553 |
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554 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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555 |
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556 void DtoDwarfFuncStart(FuncDeclaration* fd) |
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557 { |
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558 Logger::println("D to dwarf funcstart"); |
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559 LOG_SCOPE; |
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560 |
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561 assert(!fd->ir.irFunc->diSubprogram.isNull()); |
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562 gIR->difactory.InsertSubprogramStart(fd->ir.irFunc->diSubprogram, gIR->scopebb()); |
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563 } |
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564 |
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565 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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566 |
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567 void DtoDwarfFuncEnd(FuncDeclaration* fd) |
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568 { |
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569 Logger::println("D to dwarf funcend"); |
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570 LOG_SCOPE; |
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571 |
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572 assert(!fd->ir.irFunc->diSubprogram.isNull()); |
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573 gIR->difactory.InsertRegionEnd(fd->ir.irFunc->diSubprogram, gIR->scopebb()); |
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574 } |
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575 |
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576 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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577 |
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578 void DtoDwarfStopPoint(unsigned ln) |
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579 { |
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580 Logger::println("D to dwarf stoppoint at line %u", ln); |
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581 LOG_SCOPE; |
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582 |
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583 gIR->difactory.InsertStopPoint( |
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584 DtoDwarfCompileUnit(gIR->func()->decl->getCompilationModule()), // compile unit |
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585 ln, // line no |
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586 0, // col no |
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587 gIR->scopebb() |
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588 ); |
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589 } |