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annotate gen/rttibuilder.cpp @ 1375:63f4afd01036

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Cleaned up TypeInfo_Struct. Fixed problem with DtoConstSize_t taking a size_t argument, this is not enough for cross compiling from 32bit host to a 64bit target. It now takes uint64_t. There's probably a lot of similar case around to code ...
author Tomas Lindquist Olsen <tomas.l.olsen gmail com>
date Sun, 17 May 2009 04:41:10 +0200
parents e630ff79e10d
children a5d0e04298a8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1374
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
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1 #include "gen/llvm.h"
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2
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3 #include "aggregate.h"
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4 #include "mtype.h"
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5
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6 #include "gen/arrays.h"
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7 #include "gen/irstate.h"
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8 #include "gen/linkage.h"
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9 #include "gen/llvmhelpers.h"
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10 #include "gen/rttibuilder.h"
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11 #include "gen/tollvm.h"
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13 #include "ir/irstruct.h"
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14
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15 TypeInfoBuilder::TypeInfoBuilder(ClassDeclaration* base_class)
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16 {
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17 // make sure the base typeinfo class has been processed
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18 base_class->codegen(Type::sir);
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20 base = base_class;
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21 basetype = (TypeClass*)base->type;
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23 baseir = base->ir.irStruct;
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24 assert(baseir && "no IrStruct for TypeInfo base class");
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26 // just start with adding the vtbl
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27 inits.push_back(baseir->getVtblSymbol());
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28 // and monitor
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29 push_null_vp();
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30 }
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31
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32 void TypeInfoBuilder::push(llvm::Constant* C)
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33 {
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34 inits.push_back(C);
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35 }
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37 void TypeInfoBuilder::push_null_vp()
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38 {
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39 inits.push_back(getNullValue(getVoidPtrType()));
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40 }
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41
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42 void TypeInfoBuilder::push_typeinfo(Type* t)
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43 {
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44 inits.push_back(DtoTypeInfoOf(t, true));
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45 }
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46
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47 void TypeInfoBuilder::push_classinfo(ClassDeclaration* cd)
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48 {
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49 inits.push_back(cd->ir.irStruct->getClassInfoSymbol());
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50 }
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51
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52 void TypeInfoBuilder::push_string(const char* str)
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53 {
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54 inits.push_back(DtoConstString(str));
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55 }
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56
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57 void TypeInfoBuilder::push_null_void_array()
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58 {
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59 const llvm::Type* T = DtoType(Type::tvoid->arrayOf());
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60 inits.push_back(getNullValue(T));
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61 }
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62
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63 void TypeInfoBuilder::push_void_array(size_t dim, llvm::Constant* ptr)
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64 {
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65 inits.push_back(DtoConstSlice(
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66 DtoConstSize_t(dim),
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67 DtoBitCast(ptr, getVoidPtrType())));
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68 }
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69
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70 void TypeInfoBuilder::push_void_array(llvm::Constant* CI, Type* valtype, Dsymbol* sym)
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71 {
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72 std::string initname(sym->mangle());
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73 initname.append("13__defaultInitZ");
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74
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75 LLGlobalVariable* G = new llvm::GlobalVariable(
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76 CI->getType(), true, TYPEINFO_LINKAGE_TYPE, CI, initname, gIR->module);
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77 G->setAlignment(valtype->alignsize());
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78
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79 size_t dim = getTypePaddedSize(CI->getType());
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80 push_void_array(dim, G);
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81 }
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82
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83 void TypeInfoBuilder::push_uint(unsigned u)
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84 {
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85 inits.push_back(DtoConstUint(u));
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86 }
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87
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88 void TypeInfoBuilder::push_size(uint64_t s)
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89 {
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90 inits.push_back(DtoConstSize_t(s));
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91 }
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92
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93 void TypeInfoBuilder::push_funcptr(FuncDeclaration* fd)
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94 {
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95 if (fd)
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96 {
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97 fd->codegen(Type::sir);
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98 LLConstant* F = fd->ir.irFunc->func;
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99 inits.push_back(F);
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100 }
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101 else
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102 {
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103 push_null_vp();
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104 }
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105 }
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106
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107 void TypeInfoBuilder::finalize(IrGlobal* tid)
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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108 {
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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109 // create the inititalizer
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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110 LLConstant* tiInit = llvm::ConstantStruct::get(&inits[0], inits.size(), false);
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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111
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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112 // refine global type
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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113 llvm::cast<llvm::OpaqueType>(tid->type.get())->refineAbstractTypeTo(tiInit->getType());
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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114
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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115 // set the initializer
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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116 isaGlobalVar(tid->value)->setInitializer(tiInit);
e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
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117 }