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authorKevin Enderby <enderby@apple.com>2012-10-18 21:49:18 +0000
committerKevin Enderby <enderby@apple.com>2012-10-18 21:49:18 +0000
commit88d12663abdac344f312b09edfe4934143436132 (patch)
tree3c9f1cd7ca9617265e3112301c45f1fdafc8e84e
parent6220fb16c1d08534e770785f47717ee80baac517 (diff)
Fix a bug where a 32-bit address with the high bit does not get symbolicated
because the value is incorrectly being signed extended when passed to SymbolLookUp(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166234 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/ARM/Disassembler/ARMDisassembler.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index bf0dabb4a0f..d2b1cc37f21 100644
--- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -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;