[Dwarf-Discuss] .cfi_offset questions

Jonas Haag jonas at lophus.org
Thu Mar 24 07:50:08 PDT 2016


> 
> On 19 Mar 2016, at 12:46, Jonas H. <jonas at lophus.org> wrote:
> 
> I’m working on a edu/research compiler that has yet to be equipped with DWARF info. Unlike GCC/Clang/… it doesn’t have spill slots that are “constant” within a procedure, i.e. may procedure code like this:
> 
>> 
> Is this supported by the DWARF .cfi_offset directives at all, and if so, how? Generally speaking, what’s the “scope”/“validity period”/“life span” of such directive?

Wondering about the lack of response here — is this a stupid question; didn’t I do my homework? I couldn’t find any discussion about this in the archives. I’ve also already looked for an answer in the lib unwind mailing list archives.

Jonas


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