On 05/23/2018 10:54 AM, Richard Earnshaw wrote: >> So, given two .debug_info and two .debug_line, the only place I can >> think of that links >> the pieces together (ie right .debug_line from a .debug_info) as >> intended would be relocation information. >> Similar for .debug_abbrev. >> Is that the entire key here? >> >> DavidA. >> > I'm afraid I can't remember all the details; Keith might know more. I > think it's a combination of a number of things: > > - Use of section groups - keep all of a group or none of it > - relocation information > - section ordering rules: eg if I have two groups (A B) and (C D) and > coalescing requires that A and C are placed in one output section and B > and D in another, then the only permitted orders are (A C) (B D) or (B > D) (A C) - ie (A C) (D B) is not a valid ordering.
Ok. Makes sense. Looking at the .rel* and .symtab data from the test object the pieces fit together. It's a bit different approach in its use of section groups than I had seen from gcc or clang. Thanks, this is what I needed. DavidA. -- There's no chance that the iPhone is going to get any significant market share. -- Steve Ballmer _______________________________________________ Dwarf-Discuss mailing list Dwarf-Discuss@lists.dwarfstd.org http://lists.dwarfstd.org/listinfo.cgi/dwarf-discuss-dwarfstd.org
