[lldb-dev] [Bug 17209] ObjectFileELF::GetModuleSpecifications overrides OS and Vendor name with those from host

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Aug 4 09:13:27 PDT 2014


emaste at freebsd.org changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from emaste at freebsd.org ---
Fixed by Todd Fiala in r211907:

    Fix ObjectFileELF to determine architectures independent of host.           

    Previously ObjectFileELF was simplifying and assuming the object file it
    looking at was the same as the host architecture/triple.  This would break  
    attempts to run, say, lldb on MacOSX against lldb-gdbserver on Linux since  
    the MacOSX lldb would say that the linux elf file was really an Apple
    architecture.  Chaos would ensue.                                           

    This change allows the elf file to parse ELF notes for Linux, FreeBSD and   
    NetBSD, and determine the OS appropriately from them.  It also initializes  
    the OS type from the ELF header OSABI if it is set (which it is for FreeBSD 
    but not for Linux).                                                         

    Added a test with freebsd and linux images that verify that                 
    '(lldb) image list -t -A' prints out the expected architecture for each.

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