How possible is it to put DWARF debug infos in MSCOFF objects ?

[Basile B.]

On Friday, 17 August 2018 at 19:28:47 UTC, Basile B. wrote:
> Now that -m64 + LLD + MINGW works, the question is obvious.
>
> The background idea is of course to allow the use of GDB under 
> Windows. At first glance the debug info API is not uniform. 
> This is visible if you compare dmd.backend.dwarf and 
> dmd.backend.cgcv and the naive idea which would be to replace 
> all the calls starting with 'cv8_' with their "dwarf_" 
> equivalent won't work (let's say to test in a first time, later 
> a new compiler switch could be added to select the debug info 
> format).

Actually i expected an answer with someone with expertise in the 
object formats and debug infos, for example @Walter Bright or 
@Rainer Shutze, what do you think ?