mirror of
https://github.com/angr/pyvex
synced 2026-06-21 13:47:01 +00:00
Kevin Phoenix
56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
def data_ref_type_str(dref_enum):
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"""
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Translate an ``enum DataRefTypes`` value into a string representation.
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"""
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if dref_enum == 0x9000:
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return "unknown"
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elif dref_enum == 0x9001:
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return "integer"
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elif dref_enum == 0x9002:
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return "fp"
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elif dref_enum == 0x9003:
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return "integer(store)"
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else:
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return "INVALID"
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class DataRef:
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"""
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A data reference object. Indicates a data access in an IRSB.
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:ivar data_addr: The address of the data being accessed
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:ivar data_size: The size of the data being accessed, in bytes
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:ivar data_type: The type of the data, a DataRefTypes enum.
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:ivar stmt_idx: The IRSB statement index containing the data access
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:ivar ins_addr: The address of the instruction performing the data access
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"""
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__slots__ = ("data_addr", "data_size", "data_type", "stmt_idx", "ins_addr")
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def __init__(self, data_addr, data_size, data_type, stmt_idx, ins_addr):
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self.data_addr = data_addr
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self.data_size = data_size
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self.data_type = data_type
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self.stmt_idx = stmt_idx
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self.ins_addr = ins_addr
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@property
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def data_type_str(self):
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"""
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The data ref type as a string, "unknown" "integer" "fp" or "INVALID"
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"""
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return data_ref_type_str(self.data_type)
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def __repr__(self):
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return "<DataRef accessing %#x %s:%d at %#x:%d>" % (
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self.data_addr,
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data_ref_type_str(self.data_type),
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self.data_size,
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self.ins_addr,
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self.stmt_idx,
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)
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@classmethod
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def from_c(cls, r):
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return cls(r.data_addr, r.size, r.data_type, r.stmt_idx, r.ins_addr)
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