[lldb-dev] Prologue instructions having line information

Chris Quenelle via lldb-dev lldb-dev at lists.llvm.org
Fri Sep 22 18:11:00 PDT 2017

> On Sep 22, 2017, at 4:18 PM, Robinson, Paul <paul.robinson at sony.com> wrote:
> For contiguous ranges described by low_pc/hi_pc attribute
> pairs, the hi_pc can be a constant for the length, so you save
> a little space and a relocation.  I think that’s in DWARF 4.
> DWARF 5 redid the ranges section, to do a lot more with ULEBs
> and offsets from base addresses.  So it should be a lot more 
> compact.  That requires producers to speak DWARF 5, of course; 
> I'm trying to make time to do that for Clang.

Good to know, I’ll check that out.
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