[lldb-dev] Discrete code and data memories

Wed May 25 13:57:04 PDT 2016

I believe that some of the DSPs we have support for (Hexagon?) has this kind of issue. I would speak to Ted Woodward and see if they do anything special for this.

Greg Clayton

> On May 25, 2016, at 2:16 AM, Tyro Software via lldb-dev <lldb-dev at lists.llvm.org> wrote:
> 
> I'm trying to implement LLDB support for an architecture where code and data stores can be explicitly separated and can even have overlapping addresses (one can think of it as ROM and RAM, with separate access buses). 
> 
> My impression is that LLDB somewhat presumes a hybrid memory map, e.g. the client requests "qMemoryRegionInfo:$PC" for the program counter value but might also do "qMemoryRegionInfo:$SP" for the stack pointer and from the address value alone one can't safely determine which memory type is meant. A similar issue would exist for the X/x commands.
> 
> I apologise for not knowing better terminology to describe this - quite possibly LLDB does cater for it and I haven't understood the description, e.g. there's some way to "adorn" an address or set some context or scope for it through a preceding command?
> 
> Thanks
> /Tyro
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