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Fix a bug where a 32-bit address with the high bit does not get symbolicated

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because the value is incorrectly being signed extended when passed to
SymbolLookUp().

llvm-svn: 166234
This commit is contained in:
Kevin Enderby 2012-10-18 21:49:18 +00:00
parent ac2f32d807
commit 300b29c6b4
1 changed files with 3 additions and 2 deletions
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5
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
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@ -525,8 +525,9 @@ static bool tryAddingSymbolicOperand(uint64_t Address, int32_t Value,
else
ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
const char *ReferenceName;
const char *Name = SymbolLookUp(DisInfo, Value, &ReferenceType, Address,
&ReferenceName);
uint64_t SymbolValue = 0x00000000ffffffffULL & Value;
const char *Name = SymbolLookUp(DisInfo, SymbolValue, &ReferenceType,
Address, &ReferenceName);
if (Name) {
SymbolicOp.AddSymbol.Name = Name;
SymbolicOp.AddSymbol.Present = true;