[Issue 4154] New: Incorrect DWARF section names on Mac

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4154

           Summary: Incorrect DWARF section names on Mac
           Product: D
           Version: future
          Platform: Other
        OS/Version: Mac OS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: doob at me.com
            Blocks: 4044


--- Comment #0 from Jacob Carlborg <doob at me.com> 2010-05-03 08:58:33 PDT ---
Created an attachment (id=622)
Fixes the incorrect DWARF section names

According to the Mach-O file format reference:
http://developer.apple.com/Mac/library/documentation/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html
section names should be all lowercase and prefixed with two underscores "__".
DMD output the DWARF section names with a dot "." as the prefix instead of the
two underscores. Both GCC and Clang output the DWARF section names prefixed
with two underscores.

I've attached a patch which fixes this. But with this patch (I think) one or
several offsets somehow become incorrect. This is the output of dwarfdump
--verify:

The offset into the .debug_abbrev section (0xffffffff) is not valid.

Maybe it's because the section names are now one character longer or there is
something other that isn't working.

The patch is against DMD revision 466.

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