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Return ErrorOr from getSymbolAddress.

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It can fail trying to get the section on ELF and COFF. This makes sure the
error is handled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241366 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2015-07-03 18:19:00 +00:00
parent 115b2eb8bf
commit 5954faae4d
18 changed files with 80 additions and 61 deletions
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9
lib/Object/COFFObjectFile.cpp
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@ -163,21 +163,20 @@ uint64_t COFFObjectFile::getSymbolValue(DataRefImpl Ref) const {
return Sym.getValue();
}
std::error_code COFFObjectFile::getSymbolAddress(DataRefImpl Ref,
uint64_t &Result) const {
Result = getSymbolValue(Ref);
ErrorOr<uint64_t> COFFObjectFile::getSymbolAddress(DataRefImpl Ref) const {
uint64_t Result = getSymbolValue(Ref);
COFFSymbolRef Symb = getCOFFSymbol(Ref);
int32_t SectionNumber = Symb.getSectionNumber();
if (Symb.isAnyUndefined() || Symb.isCommon() ||
COFF::isReservedSectionNumber(SectionNumber))
return std::error_code();
return Result;
const coff_section *Section = nullptr;
if (std::error_code EC = getSection(SectionNumber, Section))
return EC;
Result += Section->VirtualAddress;
return std::error_code();
return Result;
}
SymbolRef::Type COFFObjectFile::getSymbolType(DataRefImpl Ref) const {