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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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4
include/llvm/Object/ObjectFile.h
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@@ -198,7 +198,7 @@ protected:
std::error_code printSymbolName(raw_ostream &OS,
DataRefImpl Symb) const override;
virtual ErrorOr<uint64_t> getSymbolAddress(DataRefImpl Symb) const = 0;
virtual uint64_t getSymbolValue(DataRefImpl Symb) const = 0;
virtual uint64_t getSymbolValueImpl(DataRefImpl Symb) const = 0;
virtual uint32_t getSymbolAlignment(DataRefImpl Symb) const;
virtual uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const = 0;
virtual SymbolRef::Type getSymbolType(DataRefImpl Symb) const = 0;
@@ -233,6 +233,8 @@ protected:
virtual void getRelocationTypeName(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const = 0;
uint64_t getSymbolValue(DataRefImpl Symb) const;
public:
uint64_t getCommonSymbolSize(DataRefImpl Symb) const {
assert(getSymbolFlags(Symb) & SymbolRef::SF_Common);