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author | Manman Ren <manman.ren@gmail.com> | 2013-10-01 23:45:54 +0000 |
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committer | Manman Ren <manman.ren@gmail.com> | 2013-10-01 23:45:54 +0000 |
commit | 2b53089bd017139f0125b870ace94ff27dffd2ff (patch) | |
tree | 41f0243fd8d9f2480e93554180518c19e00d7bb5 /lib/CodeGen/AsmPrinter/DwarfDebug.cpp | |
parent | 76502a756da8fbc3cf6f2f26bc09cce598a9fc03 (diff) | |
download | external_llvm-2b53089bd017139f0125b870ace94ff27dffd2ff.zip external_llvm-2b53089bd017139f0125b870ace94ff27dffd2ff.tar.gz external_llvm-2b53089bd017139f0125b870ace94ff27dffd2ff.tar.bz2 |
Debug Info: In DIBuilder, the derived-from field of a DW_TAG_pointer_type
is updated to use DITypeRef.
Move isUnsignedDIType and getOriginalTypeSize from DebugInfo.h to be static
helper functions in DwarfCompileUnit. We already have a static helper function
"isTypeSigned" in DwarfCompileUnit, and a pointer to DwarfDebug is added to
resolve the derived-from field. All three functions need to go across link
for derived-from fields, so we need to get hold of a type identifier map.
A pointer to DwarfDebug is also added to DbgVariable in order to resolve the
derived-from field.
Debug info verifier is updated to check a derived-from field is a TypeRef.
Verifier will not go across link for derived-from fields, in debug info finder,
we go across the link to add derived-from fields to types.
Function getDICompositeType is only used by dragonegg and since dragonegg does
not generate identifier for types, we use an empty map to resolve the
derived-from field.
When printing a derived-from field, we use DITypeRef::getName to either return
the type identifier or getName of the DIType.
A paired commit at clang is required due to changes to DIBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191800 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
-rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 3f2de40..587ee35 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -149,13 +149,13 @@ DIType DbgVariable::getType() const { uint16_t tag = Ty.getTag(); if (tag == dwarf::DW_TAG_pointer_type) - subType = DIDerivedType(Ty).getTypeDerivedFrom(); + subType = DD->resolve(DIDerivedType(Ty).getTypeDerivedFrom()); DIArray Elements = DICompositeType(subType).getTypeArray(); for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) { DIDerivedType DT = DIDerivedType(Elements.getElement(i)); if (getName() == DT.getName()) - return (DT.getTypeDerivedFrom()); + return (DD->resolve(DT.getTypeDerivedFrom())); } } return Ty; @@ -996,7 +996,7 @@ void DwarfDebug::collectDeadVariables() { for (unsigned vi = 0, ve = Variables.getNumElements(); vi != ve; ++vi) { DIVariable DV(Variables.getElement(vi)); if (!DV.isVariable()) continue; - DbgVariable NewVar(DV, NULL); + DbgVariable NewVar(DV, NULL, this); if (DIE *VariableDIE = SPCU->constructVariableDIE(&NewVar, Scope->isAbstractScope())) ScopeDIE->addChild(VariableDIE); @@ -1252,7 +1252,7 @@ DbgVariable *DwarfDebug::findAbstractVariable(DIVariable &DV, if (!Scope) return NULL; - AbsDbgVariable = new DbgVariable(Var, NULL); + AbsDbgVariable = new DbgVariable(Var, NULL, this); addScopeVariable(Scope, AbsDbgVariable); AbstractVariables[Var] = AbsDbgVariable; return AbsDbgVariable; @@ -1301,7 +1301,7 @@ DwarfDebug::collectVariableInfoFromMMITable(const MachineFunction *MF, continue; DbgVariable *AbsDbgVariable = findAbstractVariable(DV, VP.second); - DbgVariable *RegVar = new DbgVariable(DV, AbsDbgVariable); + DbgVariable *RegVar = new DbgVariable(DV, AbsDbgVariable, this); RegVar->setFrameIndex(VP.first); if (!addCurrentFnArgument(MF, RegVar, Scope)) addScopeVariable(Scope, RegVar); @@ -1386,7 +1386,7 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF, Processed.insert(DV); assert(MInsn->isDebugValue() && "History must begin with debug value"); DbgVariable *AbsVar = findAbstractVariable(DV, MInsn->getDebugLoc()); - DbgVariable *RegVar = new DbgVariable(DV, AbsVar); + DbgVariable *RegVar = new DbgVariable(DV, AbsVar, this); if (!addCurrentFnArgument(MF, RegVar, Scope)) addScopeVariable(Scope, RegVar); if (AbsVar) @@ -1449,7 +1449,7 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF, if (!DV || !DV.isVariable() || !Processed.insert(DV)) continue; if (LexicalScope *Scope = LScopes.findLexicalScope(DV.getContext())) - addScopeVariable(Scope, new DbgVariable(DV, NULL)); + addScopeVariable(Scope, new DbgVariable(DV, NULL, this)); } } @@ -1845,7 +1845,7 @@ void DwarfDebug::endFunction(const MachineFunction *MF) { if (AbstractVariables.lookup(CleanDV)) continue; if (LexicalScope *Scope = LScopes.findAbstractScope(DV.getContext())) - addScopeVariable(Scope, new DbgVariable(DV, NULL)); + addScopeVariable(Scope, new DbgVariable(DV, NULL, this)); } } if (ProcessedSPNodes.count(AScope->getScopeNode()) == 0) |