[Dwarf-Discuss] debug_aranges use and overhead
Greg Clayton
clayborg@gmail.com
Mon Mar 22 04:23:36 GMT 2021
> On Mar 19, 2021, at 11:22 AM, Frank Ch. Eigler <fche at redhat.com> wrote:
>
> Hi -
>
>> We have seen GSYM files up to 20x smaller than the DWARF file, which
>> to be fair often includes all other sections (.text, .data, etc).
>
> What information is lost?
GSYM does not contain:
- variable information (locals, parameters, globals, statics)
- type information
- macro information
- unwind information (but will soon be available)
- line entries don't contain anything but function + file + line (no source column, is statement, end sequence, end prologue, begin elilogue, etc).
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