On Wed, Sep 24, 2014 at 2:40 PM, Ian Lance Taylor <i...@airs.com> wrote: > Richard Biener <richard.guent...@gmail.com> writes: > >> Btw, the patch is very hard to read as it moves (and modifies?) files >> at the same time. What's this magic "file attributes" we need? > > The file attributes issue is the ELF machine number, class, OSABI, > flags, and endianness. When generating an ELF file it has to have this > information, and it has to match the objects generated by the assembler. > If it doesn't, the linker won't accept it and pass it to the plugin as > we require. We could of course build a large table of those numbers and > keep it updated for each target. But it's simpler to extract the > numbers from an existing object file that we know must be valid.
I see. Thanks for the explanation. Richard. > Ian
