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FatELF?FatELF?Posted Jun 24, 2010 17:35 UTC (Thu) by vonbrand (subscriber, #4458)In reply to: SELF: Anatomy of an (alleged) failure by cmccabe Parent article: SELF: Anatomy of an (alleged) failure
Au contraire. I do believe the a.out binaries from the very first days of Linux still run fine on current kernels. What has changed is the environment: The currently most popular binary format is completely different, new libraries, languages have new ABIs, new ways to communicate among components are common today, ... A "FatELF binary" doesn't do any good if the right libraries, configuration files, devices, ... aren't available. Adding all that in would result in GargantuanELF. In any case, the idea makes no sense, as this can be handled some other ways: Just pack stuff up into a cpio(1) or some such file package plus a custom header, and create a special loader that handles that header. No kernel change needed (heck, if you can run Java or Win32 apps like native, you certainly can do this). The binary format will be different in any case, use that freedom to create something that doesn't require kernel changes.
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