Mercurial > projects > ldc
annotate gen/todebug.cpp @ 601:03a5e609eef3
Fixed DLRValue::getLType did not handle the lvalue being a LRValue itself properly.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Mon, 15 Sep 2008 15:17:41 +0200 |
parents | a34078905d01 |
children | 1b62222581fb |
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 /** |
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28 * Emits a global variable, LLVM Dwarf style. |
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29 * @param type Type of variable. |
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30 * @param values Initializers. |
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31 * @param name Name. |
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32 * @return The global variable. |
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33 */ |
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34 static LLGlobalVariable* emitDwarfGlobal(const LLStructType* type, const std::vector<LLConstant*> values, const char* name, bool linkonce=false) |
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35 { |
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36 LLConstant* c = llvm::ConstantStruct::get(type, values); |
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37 LLGlobalValue::LinkageTypes linkage = linkonce ? LLGlobalValue::LinkOnceLinkage : LLGlobalValue::InternalLinkage; |
252 | 38 LLGlobalVariable* gv = new LLGlobalVariable(type, true, linkage, c, name, gIR->module); |
39 gv->setSection("llvm.metadata"); | |
40 return gv; | |
41 } | |
42 | |
43 /** | |
44 * Emits a global variable, LLVM Dwarf style, only declares. | |
45 * @param type Type of variable. | |
46 * @param name Name. | |
47 * @return The global variable. | |
48 */ | |
49 static LLGlobalVariable* emitDwarfGlobalDecl(const LLStructType* type, const char* name, bool linkonce=false) | |
50 { | |
51 LLGlobalValue::LinkageTypes linkage = linkonce ? LLGlobalValue::LinkOnceLinkage : LLGlobalValue::InternalLinkage; | |
52 LLGlobalVariable* gv = new LLGlobalVariable(type, true, linkage, NULL, name, gIR->module); | |
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53 gv->setSection("llvm.metadata"); |
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54 return gv; |
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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 * Emits the Dwarf anchors that are used repeatedly by LLVM debug info. |
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61 */ |
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62 static void emitDwarfAnchors() |
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63 { |
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64 const llvm::StructType* anchorTy = isaStruct(gIR->module->getTypeByName("llvm.dbg.anchor.type")); |
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65 std::vector<LLConstant*> vals(2); |
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66 |
252 | 67 vals[0] = DtoConstUint(llvm::LLVMDebugVersion); |
68 vals[1] = DtoConstUint(DW_TAG_compile_unit); | |
69 gIR->dwarfCUs = emitDwarfGlobal(anchorTy, vals, "llvm.dbg.compile_units", true); | |
70 | |
71 vals[0] = DtoConstUint(llvm::LLVMDebugVersion); | |
72 vals[1] = DtoConstUint(DW_TAG_variable); | |
73 gIR->dwarfGVs = emitDwarfGlobal(anchorTy, vals, "llvm.dbg.global_variables", true); | |
74 | |
75 vals[0] = DtoConstUint(llvm::LLVMDebugVersion); | |
76 vals[1] = DtoConstUint(DW_TAG_subprogram); | |
77 gIR->dwarfSPs = emitDwarfGlobal(anchorTy, vals, "llvm.dbg.subprograms", true); | |
82
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78 } |
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79 |
252 | 80 ////////////////////////////////////////////////////////////////////////////////////////////////// |
81 | |
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82 static LLConstant* getDwarfAnchor(dwarf_constants c) |
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83 { |
252 | 84 if (!gIR->dwarfCUs) |
85 emitDwarfAnchors(); | |
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86 switch (c) |
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87 { |
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88 case DW_TAG_compile_unit: |
252 | 89 return gIR->dwarfCUs; |
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90 case DW_TAG_variable: |
252 | 91 return gIR->dwarfGVs; |
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92 case DW_TAG_subprogram: |
252 | 93 return gIR->dwarfSPs; |
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94 default: |
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95 assert(0); |
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96 } |
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97 } |
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98 |
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99 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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100 |
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101 static const llvm::StructType* getDwarfCompileUnitType() { |
96 | 102 return isaStruct(gIR->module->getTypeByName("llvm.dbg.compile_unit.type")); |
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103 } |
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104 |
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105 static const llvm::StructType* getDwarfSubProgramType() { |
96 | 106 return isaStruct(gIR->module->getTypeByName("llvm.dbg.subprogram.type")); |
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107 } |
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108 |
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109 static const llvm::StructType* getDwarfVariableType() { |
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110 return isaStruct(gIR->module->getTypeByName("llvm.dbg.variable.type")); |
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111 } |
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112 |
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113 static const llvm::StructType* getDwarfDerivedTypeType() { |
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114 return isaStruct(gIR->module->getTypeByName("llvm.dbg.derivedtype.type")); |
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115 } |
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116 |
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117 static const llvm::StructType* getDwarfBasicTypeType() { |
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118 return isaStruct(gIR->module->getTypeByName("llvm.dbg.basictype.type")); |
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119 } |
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120 |
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121 static const llvm::StructType* getDwarfCompositeTypeType() { |
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122 return isaStruct(gIR->module->getTypeByName("llvm.dbg.compositetype.type")); |
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123 } |
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124 |
247
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125 static const llvm::StructType* getDwarfGlobalVariableType() { |
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126 return isaStruct(gIR->module->getTypeByName("llvm.dbg.global_variable.type")); |
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127 } |
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128 |
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129 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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130 |
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131 static LLGlobalVariable* dwarfCompileUnit(Module* m) |
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132 { |
268
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133 std::vector<LLConstant*> vals(6); |
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134 vals[0] = DBG_TAG(DW_TAG_compile_unit); |
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135 vals[1] = DBG_CAST(getDwarfAnchor(DW_TAG_compile_unit)); |
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136 |
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137 vals[2] = DtoConstUint(DW_LANG_C);// _D)); // doesn't seem to work |
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138 vals[3] = DtoConstStringPtr(m->srcfile->name->toChars(), "llvm.metadata"); |
139
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139 std::string srcpath(FileName::path(m->srcfile->name->toChars())); |
285
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140 if (srcpath.empty()) |
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141 srcpath = llvm::sys::Path::GetCurrentDirectory().toString(); |
268
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142 vals[4] = DtoConstStringPtr(srcpath.c_str(), "llvm.metadata"); |
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143 vals[5] = DtoConstStringPtr("LLVMDC (http://www.dsource.org/projects/llvmdc)", "llvm.metadata"); |
139
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144 |
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145 LLGlobalVariable* gv = emitDwarfGlobal(getDwarfCompileUnitType(), vals, "llvm.dbg.compile_unit"); |
173
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146 m->ir.irModule->dwarfCompileUnit = gv; |
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147 return gv; |
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148 } |
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149 |
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150 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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151 |
250
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152 static LLGlobalVariable* dwarfSubProgram(FuncDeclaration* fd, llvm::GlobalVariable* compileUnit) |
82
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153 { |
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154 std::vector<LLConstant*> vals(11); |
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155 vals[0] = DBG_TAG(DW_TAG_subprogram); |
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156 vals[1] = DBG_CAST(getDwarfAnchor(DW_TAG_subprogram)); |
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157 |
268
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158 vals[2] = DBG_CAST(compileUnit); |
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159 vals[3] = DtoConstStringPtr(fd->toPrettyChars(), "llvm.metadata"); |
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160 vals[4] = vals[3]; |
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161 vals[5] = DtoConstStringPtr(fd->mangle(), "llvm.metadata"); |
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162 vals[6] = DBG_CAST( DtoDwarfCompileUnit(fd->getModule()) ); |
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163 vals[7] = DtoConstUint(fd->loc.linnum); |
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164 vals[8] = DBG_NULL; |
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165 vals[9] = DtoConstBool(fd->protection == PROTprivate); |
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166 vals[10] = DtoConstBool(fd->getModule() == gIR->dmodule); |
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167 |
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168 Logger::println("emitting subprogram global"); |
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169 |
250
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170 return emitDwarfGlobal(getDwarfSubProgramType(), vals, "llvm.dbg.subprogram"); |
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171 } |
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172 |
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173 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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174 |
268
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175 static LLGlobalVariable* dwarfTypeDescription_impl(Type* type, LLGlobalVariable* cu, const char* c_name); |
252 | 176 static LLGlobalVariable* dwarfTypeDescription(Type* type, LLGlobalVariable* cu, const char* c_name); |
244
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177 |
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178 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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179 |
246
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180 static LLGlobalVariable* dwarfBasicType(Type* type, llvm::GlobalVariable* compileUnit) |
244
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181 { |
245
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182 Type* t = type->toBasetype(); |
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183 |
244
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184 const LLType* T = DtoType(type); |
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185 |
268
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186 std::vector<LLConstant*> vals(10); |
246
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187 |
244
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188 // tag |
268
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189 vals[0] = DBG_TAG(DW_TAG_base_type); |
246
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190 |
244
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191 // context |
268
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192 vals[1] = DBG_CAST(compileUnit); |
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193 |
244
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194 // name |
268
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195 vals[2] = DtoConstStringPtr(type->toChars(), "llvm.metadata"); |
246
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196 |
244
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197 // compile unit where defined |
268
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198 vals[3] = DBG_NULL; |
246
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199 |
244
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200 // line number where defined |
268
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201 vals[4] = DtoConstInt(0); |
246
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202 |
244
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203 // size in bits |
268
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204 vals[5] = LLConstantInt::get(LLType::Int64Ty, getTypeBitSize(T), false); |
246
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205 |
244
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206 // alignment in bits |
268
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207 vals[6] = LLConstantInt::get(LLType::Int64Ty, getABITypeAlign(T)*8, false); |
246
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208 |
244
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209 // offset in bits |
268
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210 vals[7] = LLConstantInt::get(LLType::Int64Ty, 0, false); |
246
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211 |
244
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212 // FIXME: dont know what this is |
268
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213 vals[8] = DtoConstUint(0); |
246
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214 |
244
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215 // dwarf type |
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216 unsigned id; |
245
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217 if (t->isintegral()) |
244
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218 { |
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219 if (type->isunsigned()) |
250
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220 id = DW_ATE_unsigned; |
244
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221 else |
250
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222 id = DW_ATE_signed; |
244
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223 } |
245
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224 else if (t->isfloating()) |
244
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225 { |
250
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226 id = DW_ATE_float; |
244
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227 } |
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228 else |
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229 { |
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230 assert(0 && "unsupported basictype for debug info"); |
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231 } |
268
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232 vals[9] = DtoConstUint(id); |
244
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233 |
250
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234 return emitDwarfGlobal(getDwarfBasicTypeType(), vals, "llvm.dbg.basictype"); |
244
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235 } |
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236 |
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237 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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238 |
252 | 239 static LLGlobalVariable* dwarfDerivedType(Type* type, llvm::GlobalVariable* compileUnit) |
245
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240 { |
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241 const LLType* T = DtoType(type); |
486
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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242 Type* t = type->toBasetype(); |
245
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243 |
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244 // defaults |
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245 LLConstant* name = getNullPtr(getVoidPtrType()); |
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246 |
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247 // find tag |
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248 unsigned tag; |
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249 if (t->ty == Tpointer) |
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250 { |
250
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251 tag = DW_TAG_pointer_type; |
245
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252 } |
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253 else |
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254 { |
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255 assert(0 && "unsupported derivedtype for debug info"); |
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256 } |
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257 |
268
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258 std::vector<LLConstant*> vals(10); |
246
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259 |
245
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260 // tag |
268
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261 vals[0] = DBG_TAG(tag); |
246
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262 |
245
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263 // context |
268
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264 vals[1] = DBG_CAST(compileUnit); |
246
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265 |
245
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266 // name |
268
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267 vals[2] = name; |
246
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268 |
245
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269 // compile unit where defined |
268
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270 vals[3] = DBG_NULL; |
246
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271 |
245
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272 // line number where defined |
268
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273 vals[4] = DtoConstInt(0); |
246
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274 |
245
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275 // size in bits |
268
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276 vals[5] = LLConstantInt::get(LLType::Int64Ty, getTypeBitSize(T), false); |
246
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277 |
245
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278 // alignment in bits |
268
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279 vals[6] = LLConstantInt::get(LLType::Int64Ty, getABITypeAlign(T)*8, false); |
246
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280 |
245
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281 // offset in bits |
268
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282 vals[7] = LLConstantInt::get(LLType::Int64Ty, 0, false); |
246
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283 |
245
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284 // FIXME: dont know what this is |
268
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285 vals[8] = DtoConstUint(0); |
246
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286 |
245
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287 // base type |
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288 Type* nt = t->nextOf(); |
268
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289 LLGlobalVariable* nTD = dwarfTypeDescription_impl(nt, compileUnit, NULL); |
245
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290 if (nt->ty == Tvoid || !nTD) |
268
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291 vals[9] = DBG_NULL; |
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292 else |
268
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293 vals[9] = DBG_CAST(nTD); |
245
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294 |
250
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295 return emitDwarfGlobal(getDwarfDerivedTypeType(), vals, "llvm.dbg.derivedtype"); |
244
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296 } |
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297 |
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298 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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299 |
252 | 300 static LLGlobalVariable* dwarfMemberType(unsigned linnum, Type* type, LLGlobalVariable* compileUnit, LLGlobalVariable* definedCU, const char* c_name, unsigned offset) |
246
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301 { |
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302 const LLType* T = DtoType(type); |
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303 Type* t = type->toBasetype(); |
246
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304 |
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305 // defaults |
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306 LLConstant* name; |
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307 if (c_name) |
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308 name = DtoConstStringPtr(c_name, "llvm.metadata"); |
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309 else |
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310 name = getNullPtr(getVoidPtrType()); |
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311 |
268
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312 std::vector<LLConstant*> vals(10); |
246
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313 |
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314 // tag |
268
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315 vals[0] = DBG_TAG(DW_TAG_member); |
246
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316 |
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317 // context |
268
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318 vals[1] = DBG_CAST(compileUnit); |
246
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319 |
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320 // name |
268
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321 vals[2] = name; |
246
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322 |
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323 // compile unit where defined |
252 | 324 if (definedCU) |
268
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325 vals[3] = DBG_CAST(definedCU); |
252 | 326 else |
268
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327 vals[3] = DBG_NULL; |
246
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328 |
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329 // line number where defined |
268
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330 vals[4] = DtoConstInt(linnum); |
246
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331 |
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332 // size in bits |
268
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333 vals[5] = LLConstantInt::get(LLType::Int64Ty, getTypeBitSize(T), false); |
246
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334 |
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335 // alignment in bits |
268
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336 vals[6] = LLConstantInt::get(LLType::Int64Ty, getABITypeAlign(T)*8, false); |
246
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337 |
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338 // offset in bits |
268
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339 vals[7] = LLConstantInt::get(LLType::Int64Ty, offset*8, false); |
246
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340 |
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341 // FIXME: dont know what this is |
268
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342 vals[8] = DtoConstUint(0); |
246
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343 |
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344 // base type |
252 | 345 LLGlobalVariable* nTD = dwarfTypeDescription(t, compileUnit, NULL); |
246
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346 if (t->ty == Tvoid || !nTD) |
268
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347 vals[9] = DBG_NULL; |
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348 else |
268
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349 vals[9] = DBG_CAST(nTD); |
246
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350 |
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351 return emitDwarfGlobal(getDwarfDerivedTypeType(), vals, "llvm.dbg.derivedtype"); |
246
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352 } |
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353 |
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354 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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355 |
252 | 356 static LLGlobalVariable* dwarfCompositeType(Type* type, llvm::GlobalVariable* compileUnit) |
246
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357 { |
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358 const LLType* T = DtoType(type); |
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359 Type* t = type->toBasetype(); |
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360 |
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361 // defaults |
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362 LLConstant* name = getNullPtr(getVoidPtrType()); |
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363 LLGlobalVariable* members = NULL; |
252 | 364 unsigned linnum = 0; |
365 LLGlobalVariable* definedCU = NULL; | |
246
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366 |
250
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367 // prepare tag and members |
246
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368 unsigned tag; |
252 | 369 |
370 // declare final global variable | |
371 LLGlobalVariable* gv = NULL; | |
372 | |
373 // dynamic array | |
246
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374 if (t->ty == Tarray) |
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375 { |
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376 tag = DW_TAG_structure_type; |
246
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377 |
252 | 378 LLGlobalVariable* len = dwarfMemberType(0, Type::tsize_t, compileUnit, NULL, "length", 0); |
246
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379 assert(len); |
252 | 380 LLGlobalVariable* ptr = dwarfMemberType(0, t->nextOf()->pointerTo(), compileUnit, NULL, "ptr", global.params.is64bit?8:4); |
246
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381 assert(ptr); |
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382 |
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383 const LLArrayType* at = LLArrayType::get(DBG_TYPE, 2); |
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384 |
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385 std::vector<LLConstant*> elems(2); |
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386 elems[0] = DBG_CAST(len); |
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387 elems[1] = DBG_CAST(ptr); |
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388 |
252 | 389 LLConstant* ca = LLConstantArray::get(at, elems); |
390 members = new LLGlobalVariable(ca->getType(), true, LLGlobalValue::InternalLinkage, ca, ".array", gIR->module); | |
391 members->setSection("llvm.metadata"); | |
392 | |
393 name = DtoConstStringPtr(t->toChars(), "llvm.metadata"); | |
394 } | |
395 | |
268
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396 // struct/class |
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397 else if (t->ty == Tstruct || t->ty == Tclass) |
252 | 398 { |
268
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399 AggregateDeclaration* sd; |
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400 if (t->ty == Tstruct) |
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401 { |
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402 TypeStruct* ts = (TypeStruct*)t; |
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403 sd = ts->sym; |
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404 } |
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405 else |
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406 { |
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407 TypeClass* tc = (TypeClass*)t; |
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408 sd = tc->sym; |
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409 } |
252 | 410 assert(sd); |
411 | |
412 IrStruct* ir = sd->ir.irStruct; | |
413 assert(ir); | |
414 if (ir->dwarfComposite) | |
415 return ir->dwarfComposite; | |
246
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416 |
252 | 417 // set to handle recursive types properly |
418 gv = emitDwarfGlobalDecl(getDwarfCompositeTypeType(), "llvm.dbg.compositetype"); | |
419 ir->dwarfComposite = gv; | |
420 | |
421 tag = DW_TAG_structure_type; | |
422 | |
423 name = DtoConstStringPtr(sd->toChars(), "llvm.metadata"); | |
424 linnum = sd->loc.linnum; | |
425 definedCU = DtoDwarfCompileUnit(sd->getModule()); | |
426 | |
427 std::vector<LLConstant*> elems; | |
268
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428 elems.reserve(ir->offsets.size()); |
252 | 429 for (IrStruct::OffsetMap::iterator i=ir->offsets.begin(); i!=ir->offsets.end(); ++i) |
430 { | |
431 unsigned offset = i->first; | |
432 IrStruct::Offset& o = i->second; | |
433 | |
434 LLGlobalVariable* ptr = dwarfMemberType(o.var->loc.linnum, o.var->type, compileUnit, definedCU, o.var->toChars(), offset); | |
435 elems.push_back(DBG_CAST(ptr)); | |
436 } | |
437 | |
438 const LLArrayType* at = LLArrayType::get(DBG_TYPE, elems.size()); | |
246
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439 LLConstant* ca = LLConstantArray::get(at, elems); |
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440 members = new LLGlobalVariable(ca->getType(), true, LLGlobalValue::InternalLinkage, ca, ".array", gIR->module); |
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441 members->setSection("llvm.metadata"); |
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442 } |
252 | 443 |
444 // unsupported composite type | |
246
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445 else |
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446 { |
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447 assert(0 && "unsupported compositetype for debug info"); |
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448 } |
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449 |
268
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450 std::vector<LLConstant*> vals(11); |
246
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451 |
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452 // tag |
268
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453 vals[0] = DBG_TAG(tag); |
246
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454 |
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455 // context |
268
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456 vals[1] = DBG_CAST(compileUnit); |
246
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457 |
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458 // name |
268
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459 vals[2] = name; |
246
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460 |
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461 // compile unit where defined |
252 | 462 if (definedCU) |
268
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463 vals[3] = DBG_CAST(definedCU); |
252 | 464 else |
268
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465 vals[3] = DBG_NULL; |
246
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466 |
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467 // line number where defined |
268
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468 vals[4] = DtoConstInt(linnum); |
246
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469 |
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470 // size in bits |
268
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471 vals[5] = LLConstantInt::get(LLType::Int64Ty, getTypeBitSize(T), false); |
246
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472 |
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473 // alignment in bits |
268
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474 vals[6] = LLConstantInt::get(LLType::Int64Ty, getABITypeAlign(T)*8, false); |
246
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475 |
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476 // offset in bits |
268
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477 vals[7] = LLConstantInt::get(LLType::Int64Ty, 0, false); |
246
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478 |
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479 // FIXME: dont know what this is |
268
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480 vals[8] = DtoConstUint(0); |
246
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481 |
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482 // FIXME: ditto |
268
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483 vals[9] = DBG_NULL; |
246
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484 |
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485 // members array |
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486 if (members) |
268
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487 vals[10] = DBG_CAST(members); |
246
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488 else |
268
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489 vals[10] = DBG_NULL; |
246
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490 |
252 | 491 // set initializer |
492 if (!gv) | |
493 gv = emitDwarfGlobalDecl(getDwarfCompositeTypeType(), "llvm.dbg.compositetype"); | |
494 LLConstant* initia = LLConstantStruct::get(getDwarfCompositeTypeType(), vals); | |
495 gv->setInitializer(initia); | |
496 | |
497 return gv; | |
246
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498 } |
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499 |
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500 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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501 |
250
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502 static LLGlobalVariable* dwarfGlobalVariable(LLGlobalVariable* ll, VarDeclaration* vd) |
247
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503 { |
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504 assert(vd->isDataseg()); |
250
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505 LLGlobalVariable* compileUnit = DtoDwarfCompileUnit(gIR->dmodule); |
247
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506 |
268
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507 std::vector<LLConstant*> vals(12); |
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508 vals[0] = DBG_TAG(DW_TAG_variable); |
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509 vals[1] = DBG_CAST(getDwarfAnchor(DW_TAG_variable)); |
247
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510 |
268
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511 vals[2] = DBG_CAST(compileUnit); |
247
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512 |
268
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513 vals[3] = DtoConstStringPtr(vd->mangle(), "llvm.metadata"); |
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514 vals[4] = DtoConstStringPtr(vd->toPrettyChars(), "llvm.metadata"); |
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515 vals[5] = DtoConstStringPtr(vd->toChars(), "llvm.metadata"); |
247
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516 |
268
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517 vals[6] = DBG_CAST(DtoDwarfCompileUnit(vd->getModule())); |
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518 vals[7] = DtoConstUint(vd->loc.linnum); |
247
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519 |
268
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520 LLGlobalVariable* TY = dwarfTypeDescription_impl(vd->type, compileUnit, NULL); |
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521 vals[8] = TY ? DBG_CAST(TY) : DBG_NULL; |
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522 vals[9] = DtoConstBool(vd->protection == PROTprivate); |
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523 vals[10] = DtoConstBool(vd->getModule() == gIR->dmodule); |
247
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524 |
268
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525 vals[11] = DBG_CAST(ll); |
247
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|
526 |
250
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527 return emitDwarfGlobal(getDwarfGlobalVariableType(), vals, "llvm.dbg.global_variable"); |
247
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528 } |
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|
529 |
252 | 530 ////////////////////////////////////////////////////////////////////////////////////////////////// |
531 | |
246
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532 static LLGlobalVariable* dwarfVariable(VarDeclaration* vd, LLGlobalVariable* typeDescr) |
244
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533 { |
250
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|
534 assert(!vd->isDataseg() && "static variable"); |
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|
535 |
244
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|
536 unsigned tag; |
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537 if (vd->isParameter()) |
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538 tag = DW_TAG_arg_variable; |
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539 else |
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540 tag = DW_TAG_auto_variable; |
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541 |
250
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542 std::vector<LLConstant*> vals(6); |
244
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543 // tag |
250
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544 vals[0] = DBG_TAG(tag); |
244
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545 // context |
250
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546 vals[1] = DBG_CAST(gIR->func()->dwarfSubProg); |
244
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547 // name |
250
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548 vals[2] = DtoConstStringPtr(vd->toChars(), "llvm.metadata"); |
244
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549 // compile unit where defined |
250
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550 vals[3] = DBG_CAST(DtoDwarfCompileUnit(vd->getModule())); |
244
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551 // line number where defined |
250
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552 vals[4] = DtoConstUint(vd->loc.linnum); |
244
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553 // type descriptor |
250
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554 vals[5] = DBG_CAST(typeDescr); |
244
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|
555 |
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556 return emitDwarfGlobal(getDwarfVariableType(), vals, "llvm.dbg.variable"); |
244
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557 } |
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|
558 |
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559 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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560 |
246
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561 static void dwarfDeclare(LLValue* var, LLGlobalVariable* varDescr) |
244
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562 { |
268
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563 LLSmallVector<LLValue*,2> args(2); |
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564 args[0] = DtoBitCast(var, DBG_TYPE); |
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565 args[1] = DBG_CAST(varDescr); |
244
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566 gIR->ir->CreateCall(gIR->module->getFunction("llvm.dbg.declare"), args.begin(), args.end()); |
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|
567 } |
245
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|
568 |
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|
569 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
570 |
268
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|
571 static LLGlobalVariable* dwarfTypeDescription_impl(Type* type, LLGlobalVariable* cu, const char* c_name) |
245
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572 { |
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573 Type* t = type->toBasetype(); |
246
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574 if (t->ty == Tvoid) |
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575 return NULL; |
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576 else if (t->isintegral() || t->isfloating()) |
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577 return dwarfBasicType(type, cu); |
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578 else if (t->ty == Tpointer) |
252 | 579 return dwarfDerivedType(type, cu); |
268
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580 else if (t->ty == Tarray || t->ty == Tstruct || t->ty == Tclass) |
252 | 581 return dwarfCompositeType(type, cu); |
245
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582 |
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583 return NULL; |
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584 } |
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585 |
268
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586 static LLGlobalVariable* dwarfTypeDescription(Type* type, LLGlobalVariable* cu, const char* c_name) |
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587 { |
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588 Type* t = type->toBasetype(); |
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589 if (t->ty == Tclass) |
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590 return dwarfTypeDescription_impl(type->pointerTo(), cu, c_name); |
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591 else |
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592 return dwarfTypeDescription_impl(type, cu, c_name); |
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593 } |
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594 |
246
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595 ////////////////////////////////////////////////////////////////////////////////////////////////// |
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596 |
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597 void DtoDwarfLocalVariable(LLValue* ll, VarDeclaration* vd) |
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598 { |
268
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599 Logger::println("D to dwarf local variable"); |
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600 LOG_SCOPE; |
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601 |
245
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602 // get compile units |
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603 LLGlobalVariable* thisCU = DtoDwarfCompileUnit(gIR->dmodule); |
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604 LLGlobalVariable* varCU = thisCU; |
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605 if (vd->getModule() != gIR->dmodule) |
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606 varCU = DtoDwarfCompileUnit(vd->getModule()); |
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607 |
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608 // get type description |
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609 Type* t = vd->type->toBasetype(); |
252 | 610 LLGlobalVariable* TD = dwarfTypeDescription(vd->type, thisCU, NULL); |
245
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611 if (TD == NULL) |
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612 return; // unsupported |
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613 |
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614 // get variable description |
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615 LLGlobalVariable* VD; |
246
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616 VD = dwarfVariable(vd, TD); |
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|
617 |
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618 // declare |
246
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619 dwarfDeclare(ll, VD); |
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620 } |
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621 |
250
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622 ////////////////////////////////////////////////////////////////////////////////////////////////// |
245
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623 |
250
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624 LLGlobalVariable* DtoDwarfCompileUnit(Module* m) |
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625 { |
268
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626 Logger::println("D to dwarf compile_unit"); |
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627 LOG_SCOPE; |
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|
628 |
250
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|
629 // we might be generating for an import |
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630 if (!m->ir.irModule) |
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631 m->ir.irModule = new IrModule(m); |
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632 else if (m->ir.irModule->dwarfCompileUnit) |
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633 { |
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634 if (m->ir.irModule->dwarfCompileUnit->getParent() == gIR->module) |
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635 return m->ir.irModule->dwarfCompileUnit; |
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636 } |
245
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|
637 |
250
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638 LLGlobalVariable* gv = dwarfCompileUnit(m); |
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639 m->ir.irModule->dwarfCompileUnit = gv; |
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640 return gv; |
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|
641 } |
245
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|
642 |
250
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643 ////////////////////////////////////////////////////////////////////////////////////////////////// |
245
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644 |
250
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645 LLGlobalVariable* DtoDwarfSubProgram(FuncDeclaration* fd) |
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646 { |
268
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647 Logger::println("D to dwarf subprogram"); |
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|
648 LOG_SCOPE; |
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|
649 |
250
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|
650 // FIXME: duplicates ? |
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651 return dwarfSubProgram(fd, DtoDwarfCompileUnit(gIR->dmodule)); |
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|
652 } |
245
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|
653 |
250
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|
654 ////////////////////////////////////////////////////////////////////////////////////////////////// |
245
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|
655 |
250
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656 LLGlobalVariable* DtoDwarfGlobalVariable(LLGlobalVariable* ll, VarDeclaration* vd) |
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657 { |
268
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658 Logger::println("D to dwarf global_variable"); |
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|
659 LOG_SCOPE; |
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|
660 |
250
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|
661 // FIXME: duplicates ? |
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|
662 return dwarfGlobalVariable(ll, vd); |
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|
663 } |
245
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|
664 |
250
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|
665 ////////////////////////////////////////////////////////////////////////////////////////////////// |
245
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|
666 |
250
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|
667 void DtoDwarfFuncStart(FuncDeclaration* fd) |
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|
668 { |
268
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|
669 Logger::println("D to dwarf funcstart"); |
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|
670 LOG_SCOPE; |
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|
671 |
250
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|
672 assert(fd->ir.irFunc->dwarfSubProg); |
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|
673 gIR->ir->CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(fd->ir.irFunc->dwarfSubProg)); |
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|
674 } |
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|
675 |
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|
676 ////////////////////////////////////////////////////////////////////////////////////////////////// |
245
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|
677 |
250
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|
678 void DtoDwarfFuncEnd(FuncDeclaration* fd) |
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|
679 { |
268
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|
680 Logger::println("D to dwarf funcend"); |
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|
681 LOG_SCOPE; |
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|
682 |
250
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|
683 assert(fd->ir.irFunc->dwarfSubProg); |
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|
684 gIR->ir->CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(fd->ir.irFunc->dwarfSubProg)); |
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|
685 } |
245
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|
686 |
250
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|
687 ////////////////////////////////////////////////////////////////////////////////////////////////// |
245
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|
688 |
250
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|
689 void DtoDwarfStopPoint(unsigned ln) |
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|
690 { |
268
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|
691 Logger::println("D to dwarf stoppoint at line %u", ln); |
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|
692 LOG_SCOPE; |
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diff
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|
693 |
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|
694 LLSmallVector<LLValue*,3> args(3); |
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|
695 args[0] = DtoConstUint(ln); |
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|
696 args[1] = DtoConstUint(0); |
250
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|
697 FuncDeclaration* fd = gIR->func()->decl; |
268
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|
698 args[2] = DBG_CAST(DtoDwarfCompileUnit(fd->getModule())); |
250
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|
699 gIR->ir->CreateCall(gIR->module->getFunction("llvm.dbg.stoppoint"), args.begin(), args.end()); |
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|
700 } |