3a63f3fb22
On ELF being weak is independent of what we call the kind of the symbol. So this also makes the code simpler. llvm-svn: 246326
37 lines
913 B
C++
37 lines
913 B
C++
//===- Symbols.cpp --------------------------------------------------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "Symbols.h"
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#include "Chunks.h"
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#include "Error.h"
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#include "InputFiles.h"
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using namespace llvm::object;
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using namespace lld;
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using namespace lld::elf2;
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// Returns 1, 0 or -1 if this symbol should take precedence
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// over the Other, tie or lose, respectively.
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int SymbolBody::compare(SymbolBody *Other) {
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std::pair<bool, bool> L(isDefined(), isWeak());
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std::pair<bool, bool> R(Other->isDefined(), Other->isWeak());
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// Normalize
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if (L > R)
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return -Other->compare(this);
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if (L != R)
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return -1;
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if (L.first && !L.second)
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return 0;
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return 1;
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}
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