omjavaid added a comment.
This looks good overall except for one comment inline.
================
Comment at:
lldb/source/Plugins/Process/Utility/MemoryTagManagerAArch64MTE.cpp:43
+
+ptrdiff_t MemoryTagManagerAArch64MTE::AddressDiff(lldb::addr_t addr1,
+ lldb::addr_t addr2) const {
----------------
I am a little apprehensive about this AddressDiff function. AArch64 virtual
address is either 48 bits or 52 bits. MTE start from 56th bit and I believe
bits (48 - 55) will be either set zero (for user address) and set to one for
kernel addresses.
I am not sure if there is an interface available for us to know if VA is 48 or
52 bits. What do you think how should we manage this here.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D97281/new/
https://reviews.llvm.org/D97281
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