[llvm] r369248 - [MC] Simplify ELFObjectWriter::recordRelocation. NFC
Fangrui Song via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 19 03:05:59 PDT 2019
Author: maskray
Date: Mon Aug 19 03:05:59 2019
New Revision: 369248
URL: http://llvm.org/viewvc/llvm-project?rev=369248&view=rev
Log:
[MC] Simplify ELFObjectWriter::recordRelocation. NFC
Modified:
llvm/trunk/lib/MC/ELFObjectWriter.cpp
Modified: llvm/trunk/lib/MC/ELFObjectWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/ELFObjectWriter.cpp?rev=369248&r1=369247&r2=369248&view=diff
==============================================================================
--- llvm/trunk/lib/MC/ELFObjectWriter.cpp (original)
+++ llvm/trunk/lib/MC/ELFObjectWriter.cpp Mon Aug 19 03:05:59 2019
@@ -1457,11 +1457,9 @@ void ELFObjectWriter::recordRelocation(M
return;
}
- uint64_t SymBOffset = Layout.getSymbolOffset(SymB);
- uint64_t K = SymBOffset - FixupOffset;
assert(!IsPCRel && "should have been folded");
IsPCRel = true;
- C -= K;
+ C += FixupOffset - Layout.getSymbolOffset(SymB);
}
// We either rejected the fixup or folded B into C at this point.
@@ -1479,38 +1477,35 @@ void ELFObjectWriter::recordRelocation(M
}
}
- unsigned Type = TargetObjectWriter->getRelocType(Ctx, Target, Fixup, IsPCRel);
- uint64_t OriginalC = C;
- bool RelocateWithSymbol = shouldRelocateWithSymbol(Asm, RefA, SymA, C, Type);
- if (!RelocateWithSymbol && SymA && !SymA->isUndefined())
- C += Layout.getSymbolOffset(*SymA);
-
- uint64_t Addend = 0;
- if (hasRelocationAddend()) {
- Addend = C;
- C = 0;
- }
-
- FixedValue = C;
-
const MCSectionELF *SecA = (SymA && SymA->isInSection())
? cast<MCSectionELF>(&SymA->getSection())
: nullptr;
if (!checkRelocation(Ctx, Fixup.getLoc(), &FixupSection, SecA))
return;
+ unsigned Type = TargetObjectWriter->getRelocType(Ctx, Target, Fixup, IsPCRel);
+ bool RelocateWithSymbol = shouldRelocateWithSymbol(Asm, RefA, SymA, C, Type);
+ uint64_t Addend = 0;
+
+ FixedValue = !RelocateWithSymbol && SymA && !SymA->isUndefined()
+ ? C + Layout.getSymbolOffset(*SymA)
+ : C;
+ if (hasRelocationAddend()) {
+ Addend = FixedValue;
+ FixedValue = 0;
+ }
+
if (!RelocateWithSymbol) {
const auto *SectionSymbol =
SecA ? cast<MCSymbolELF>(SecA->getBeginSymbol()) : nullptr;
if (SectionSymbol)
SectionSymbol->setUsedInReloc();
- ELFRelocationEntry Rec(FixupOffset, SectionSymbol, Type, Addend, SymA,
- OriginalC);
+ ELFRelocationEntry Rec(FixupOffset, SectionSymbol, Type, Addend, SymA, C);
Relocations[&FixupSection].push_back(Rec);
return;
}
- const auto *RenamedSymA = SymA;
+ const MCSymbolELF *RenamedSymA = SymA;
if (SymA) {
if (const MCSymbolELF *R = Renames.lookup(SymA))
RenamedSymA = R;
@@ -1520,8 +1515,7 @@ void ELFObjectWriter::recordRelocation(M
else
RenamedSymA->setUsedInReloc();
}
- ELFRelocationEntry Rec(FixupOffset, RenamedSymA, Type, Addend, SymA,
- OriginalC);
+ ELFRelocationEntry Rec(FixupOffset, RenamedSymA, Type, Addend, SymA, C);
Relocations[&FixupSection].push_back(Rec);
}
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