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[PDB] Add exclusive methods to derived symbol class

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Summary: This commit adds two methods to the PDBSymboFunc class used in parsing symbols. getLineNumbers() is used to determine a Function symbol's declaration and getCompilandId() is used to initialize the SymbolContext field sc.comp_unit.

Reviewers: zturner, rnk, llvm-commits

Reviewed By: zturner

Differential Revision: https://reviews.llvm.org/D44457

llvm-svn: 327909
This commit is contained in:
Aaron Smith 2018-03-19 21:18:39 +00:00
parent 862ceda9fb
commit 0e87a89fed
5 changed files with 28 additions and 0 deletions
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4
include/llvm/DebugInfo/PDB/PDBSymbolFunc.h
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@ -10,6 +10,7 @@
#ifndef LLVM_DEBUGINFO_PDB_PDBSYMBOLFUNC_H
#define LLVM_DEBUGINFO_PDB_PDBSYMBOLFUNC_H
#include "IPDBLineNumber.h"
#include "PDBSymbol.h"
#include "PDBSymbolTypeFunctionSig.h"
#include "PDBTypes.h"
@ -76,6 +77,9 @@ public:
FORWARD_SYMBOL_METHOD(getVirtualAddress)
FORWARD_SYMBOL_METHOD(getVirtualBaseOffset)
FORWARD_SYMBOL_METHOD(isVolatileType)
std::unique_ptr<IPDBEnumLineNumbers> getLineNumbers() const;
uint32_t getCompilandId() const;
};
} // namespace llvm

2
include/llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h
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@ -10,6 +10,7 @@
#ifndef LLVM_DEBUGINFO_PDB_PDBSYMBOLTYPEENUM_H
#define LLVM_DEBUGINFO_PDB_PDBSYMBOLTYPEENUM_H
#include "IPDBLineNumber.h"
#include "PDBSymbol.h"
#include "PDBSymbolTypeBuiltin.h"
#include "PDBTypes.h"
@ -38,6 +39,7 @@ public:
FORWARD_SYMBOL_METHOD(getLength)
FORWARD_SYMBOL_ID_METHOD(getLexicalParent)
FORWARD_SYMBOL_METHOD(getName)
FORWARD_SYMBOL_METHOD(getSrcLineOnTypeDefn)
FORWARD_SYMBOL_METHOD(isNested)
FORWARD_SYMBOL_METHOD(hasOverloadedOperator)
FORWARD_SYMBOL_METHOD(isPacked)

4
include/llvm/DebugInfo/PDB/PDBSymbolTypePointer.h
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@ -32,7 +32,11 @@ public:
FORWARD_SYMBOL_METHOD(getLength)
FORWARD_SYMBOL_ID_METHOD(getLexicalParent)
FORWARD_SYMBOL_METHOD(isReference)
FORWARD_SYMBOL_METHOD(isRValueReference)
FORWARD_SYMBOL_METHOD(isPointerToDataMember)
FORWARD_SYMBOL_METHOD(isPointerToMemberFunction)
FORWARD_SYMBOL_ID_METHOD_WITH_NAME(getType, getPointeeType)
FORWARD_SYMBOL_METHOD(isRestrictedType)
FORWARD_SYMBOL_METHOD(isUnalignedType)
FORWARD_SYMBOL_METHOD(isVolatileType)
};

3
include/llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h
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@ -10,6 +10,7 @@
#ifndef LLVM_DEBUGINFO_PDB_PDBSYMBOLTYPEUDT_H
#define LLVM_DEBUGINFO_PDB_PDBSYMBOLTYPEUDT_H
#include "IPDBLineNumber.h"
#include "IPDBSession.h"
#include "PDBSymbol.h"
#include "PDBSymbolTypeBaseClass.h"
@ -45,6 +46,7 @@ public:
FORWARD_SYMBOL_METHOD(getLength)
FORWARD_SYMBOL_ID_METHOD(getLexicalParent)
FORWARD_SYMBOL_METHOD(getName)
FORWARD_SYMBOL_METHOD(getSrcLineOnTypeDefn)
FORWARD_SYMBOL_METHOD(isNested)
FORWARD_SYMBOL_METHOD(hasOverloadedOperator)
FORWARD_SYMBOL_METHOD(isPacked)
@ -53,6 +55,7 @@ public:
FORWARD_SYMBOL_METHOD(isUnalignedType)
FORWARD_SYMBOL_ID_METHOD(getVirtualTableShape)
FORWARD_SYMBOL_METHOD(isVolatileType)
FORWARD_SYMBOL_METHOD(getAccess)
};
}
} // namespace llvm

15
lib/DebugInfo/PDB/PDBSymbolFunc.cpp
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@ -105,3 +105,18 @@ bool PDBSymbolFunc::isDestructor() const {
return true;
return false;
}
std::unique_ptr<IPDBEnumLineNumbers> PDBSymbolFunc::getLineNumbers() const {
auto Len = RawSymbol->getLength();
return Session.findLineNumbersByAddress(RawSymbol->getVirtualAddress(),
Len ? Len : 1);
}
uint32_t PDBSymbolFunc::getCompilandId() const {
if (auto Lines = getLineNumbers()) {
if (auto FirstLine = Lines->getNext()) {
return FirstLine->getCompilandId();
}
}
return 0;
}