jasonmolenda wrote:
nb: this got a bot failure on the arm-linux-ubuntu bot,
```
mask = process.GetAddressMask(lldb.eAddressMaskTypeAny)
process.SetAddressMask(lldb.eAddressMaskTypeCode, mask | 0x3)
self.assertEqual(
0x000002950001F694,
process.FixAddress(0x00265E950001F697,
lldb.eAddressMaskTypeCode),
)
The API returned 0x000002950001f694 instead of the expected
0x00265e950001f696. The low bits differ because ABISysV_arm hardcodes
the Code address mask to clear the 0th bit, it doesn't use the
Process code mask. I didn't debug why some of the high bytes were
dropped.
```
I'm skipping TestAddressMasks for arch=arm now, but I don't even know if we
should be able to set a mask which preserves the high 32-bits of an addr_t on a
32-bit host; all masks have to mask off the high word of addr_t to be a valid
addresss, at a minimum. I don't have access to a 32-bit host that lldb runs on
myself so my position is that I'll skip this API test entirely on 32-bit
targets, I don't think the concepts make much sense there.
https://github.com/llvm/llvm-project/pull/83663
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