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Handle relocations that don't point to symbols.

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In ELF (as in MachO), not all relocations point to symbols. Represent this
properly by using a symbol_iterator instead of a SymbolRef. Update llvm-readobj
ELF's dumper to handle relocatios without symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183284 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-06-05 01:33:53 +00:00
parent cc5a6cb0a2
commit 6c1202c459
19 changed files with 62 additions and 73 deletions
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11
include/llvm/Object/ObjectFile.h
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@ -85,6 +85,7 @@ inline bool operator<(const DataRefImpl &a, const DataRefImpl &b) {
}
class SymbolRef;
typedef content_iterator<SymbolRef> symbol_iterator;
/// RelocationRef - This is a value type class that represents a single
/// relocation in the list of relocations in the object file.
@ -103,7 +104,7 @@ public:
error_code getAddress(uint64_t &Result) const;
error_code getOffset(uint64_t &Result) const;
error_code getSymbol(SymbolRef &Result) const;
symbol_iterator getSymbol() const;
error_code getType(uint64_t &Result) const;
/// @brief Indicates whether this relocation should hidden when listing
@ -236,7 +237,6 @@ public:
DataRefImpl getRawDataRefImpl() const;
};
typedef content_iterator<SymbolRef> symbol_iterator;
/// LibraryRef - This is a value type class that represents a single library in
/// the list of libraries needed by a shared or dynamic object.
@ -334,8 +334,7 @@ protected:
uint64_t &Res) const =0;
virtual error_code getRelocationOffset(DataRefImpl Rel,
uint64_t &Res) const =0;
virtual error_code getRelocationSymbol(DataRefImpl Rel,
SymbolRef &Res) const = 0;
virtual symbol_iterator getRelocationSymbol(DataRefImpl Rel) const = 0;
virtual error_code getRelocationType(DataRefImpl Rel,
uint64_t &Res) const = 0;
virtual error_code getRelocationTypeName(DataRefImpl Rel,
@ -566,8 +565,8 @@ inline error_code RelocationRef::getOffset(uint64_t &Result) const {
return OwningObject->getRelocationOffset(RelocationPimpl, Result);
}
inline error_code RelocationRef::getSymbol(SymbolRef &Result) const {
return OwningObject->getRelocationSymbol(RelocationPimpl, Result);
inline symbol_iterator RelocationRef::getSymbol() const {
return OwningObject->getRelocationSymbol(RelocationPimpl);
}
inline error_code RelocationRef::getType(uint64_t &Result) const {