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fix usage of LowLevelILFunction.get_ssa_reg_definition API #8

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fix usage of LowLevelILFunction.get_ssa_reg_definition API #8

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5 changes: 2 additions & 3 deletions explain.py
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Original file line number Diff line number Diff line change
Expand Up @@ -138,14 +138,13 @@ def preprocess_LLIL_FLAG(bv, llil_instruction):
return {"source": source, "address": address}


def preprocess_LLIL_REG(_bv, llil_instruction):
def preprocess_LLIL_REG(_bv, llil_instruction: LowLevelILInstruction):
"""Follow back temporary registers and append the address where they're created"""
loc = ""
source = llil_instruction.src
if llil_instruction.src.temp:
reg = llil_instruction.ssa_form.src
indx = llil_instruction.function.get_ssa_reg_definition(reg)
src = llil_instruction.function[indx]
src = llil_instruction.function.get_ssa_reg_definition(reg)
if hasattr(src, "src"):
# I've never seen it in the wild, but it's probably possible for a temporary variable to be sourced
# from a Phi function on the same instruction, which could lead to infinite recursion
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