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Delete UnknownAddress. It is a perfectly valid symbol value.

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getSymbolValue now returns a value that in convenient for most callers:
* 0 for undefined
* symbol size for common symbols
* offset/address for symbols the rest

Code that needs something more specific can check getSymbolFlags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241605 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2015-07-07 17:12:59 +00:00
parent 9327084f92
commit 7b7c81cd35
15 changed files with 41 additions and 71 deletions
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9
lib/Object/ObjectFile.cpp
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@ -35,6 +35,15 @@ bool SectionRef::containsSymbol(SymbolRef S) const {
return *this == *SymSec;
}
uint64_t ObjectFile::getSymbolValue(DataRefImpl Ref) const {
uint32_t Flags = getSymbolFlags(Ref);
if (Flags & SymbolRef::SF_Undefined)
return 0;
if (Flags & SymbolRef::SF_Common)
return getCommonSymbolSize(Ref);
return getSymbolValueImpl(Ref);
}
std::error_code ObjectFile::printSymbolName(raw_ostream &OS,
DataRefImpl Symb) const {
ErrorOr<StringRef> Name = getSymbolName(Symb);