[llvm-bugs] [Bug 35854] New: LLD can't cope with unaligned relocation sections as generated by ICC

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jan 8 02:17:47 PST 2018


https://bugs.llvm.org/show_bug.cgi?id=35854

            Bug ID: 35854
           Summary: LLD can't cope with unaligned relocation sections as
                    generated by ICC
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: schaub.johannes at googlemail.com
                CC: llvm-bugs at lists.llvm.org

I would like to raise this as a feature request for compatibility with GNU LD:
LD supports unaligned sections in object files, which are created at least by
the Intel ICC compiler and prevents us to adopt LLD in our build. 

   ld: error: .../_moc_mainwindow.o: unaligned data

Further investigation shows

   ~/usr/bin/llvm-readelf -relocations _moc_mainwindow.o

    Relocation section '.rel.data' at offset 0x2546f contains 1 entries:
     Offset     Info    Type                Sym. Value  Symbol's Name

    Error reading file: unaligned data
    .

This works with GNU LD and GNU GOLD

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