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Only call ND_SIGN_EX when instruction has displacement

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Turo Lamminen 2024-08-26 17:28:32 +03:00
parent f967327ca4
commit 8bc44ae145
1 changed files with 2 additions and 2 deletions
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4
bddisasm/bdx86_decoder.c
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@ -1298,7 +1298,7 @@ NdParseMemoryOperand16(
// Store the displacement. // Store the displacement.
Operand->Info.Memory.HasDisp = !!Instrux->HasDisp; Operand->Info.Memory.HasDisp = !!Instrux->HasDisp;
Operand->Info.Memory.DispSize = Instrux->DispLength; Operand->Info.Memory.DispSize = Instrux->DispLength;
Operand->Info.Memory.Disp = ND_SIGN_EX(Instrux->DispLength, Instrux->Displacement); Operand->Info.Memory.Disp = Instrux->HasDisp ? ND_SIGN_EX(Instrux->DispLength, Instrux->Displacement) : 0;
return ND_STATUS_SUCCESS; return ND_STATUS_SUCCESS;
} }
@ -1416,7 +1416,7 @@ NdParseMemoryOperand3264(
Operand->Info.Memory.HasDisp = Instrux->HasDisp; Operand->Info.Memory.HasDisp = Instrux->HasDisp;
Operand->Info.Memory.DispSize = Instrux->DispLength; Operand->Info.Memory.DispSize = Instrux->DispLength;
Operand->Info.Memory.Disp = ND_SIGN_EX(Instrux->DispLength, Instrux->Displacement); Operand->Info.Memory.Disp = Instrux->HasDisp ? ND_SIGN_EX(Instrux->DispLength, Instrux->Displacement) : 0;
return ND_STATUS_SUCCESS; return ND_STATUS_SUCCESS;
} }