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[recode] Account for spilled values of four bytes #21

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[recode] Account for spilled values of four bytes #21

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14 changes: 12 additions & 2 deletions criu-3.15/lib/py/st_reg_transform.py
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Original file line number Diff line number Diff line change
Expand Up @@ -271,7 +271,12 @@ def _get_val(ctx, val, arch=False, return_loc = False):
raw_val.append(struct.unpack(
'<Q', ctx.pages.read(8))[0])
else:
raw_val = struct.unpack('<Q', ctx.pages.read(8))[0]
if val.size == 4:
raw_val = struct.unpack('<I', ctx.pages.read(4))[0]
elif val.size == 8:
raw_val = struct.unpack('<Q', ctx.pages.read(8))[0]
else:
raise Exception("Size not supported for spilled value!")
else:
raw_val = struct.unpack('<Q', ctx.pages.read(8))[0]
if return_loc:
Expand Down Expand Up @@ -398,7 +403,12 @@ def _put_val(dest_ctx, dest_val, raw_val, arch=False, return_loc = False, fixup_
for i in range(write_count):
write_val.append(struct.pack("Q", raw_val[i]))
else:
write_val.append(struct.pack("Q", raw_val))
if dest_val.size == 4:
write_val.append(struct.pack("I", raw_val))
elif dest_val.size == 8:
write_val.append(struct.pack("Q", raw_val))
else:
raise Exception("Size not supported for spilled value!")
else:
if dest_val.operand_size == 1:
write_val.append(struct.pack("B", raw_val))
Expand Down