[Bug gas/28054] New: SEC_ELF_OCTETS not set for ".debug_*" sections causing invalid relocs for targets with OCTETS_PER_BYTE > 1

[tuckkern+sourceware at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=28054

            Bug ID: 28054
           Summary: SEC_ELF_OCTETS not set for ".debug_*" sections causing
                    invalid relocs for targets with OCTETS_PER_BYTE > 1
           Product: binutils
           Version: 2.34
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: tuckkern+sourceware at gmail dot com
  Target Milestone: ---

Created attachment 13535
  --> https://sourceware.org/bugzilla/attachment.cgi?id=13535&action=edit
Possible patch that sets the flags in obj_elf_change_section

For targets where OCTETS_PER_BYTE > 1, invalid relocs & fixups are generated in
the DWARF2 ".debug_*" sections because SEC_ELF_OCTETS is not set when these
sections are created.

Since SEC_ELF_OCTETS is not set various functions do not compute proper offset
and addresses in these sections. e.g. bfd_octets_per_byte, frag_now_fix,
resolve_symbol_value, bfd_install_relocation, bfd_perform_relocation.

Currently the only place this flag is set is in
_bfd_elf_make_section_from_shdr.

Attached is a patch that mimics the code from _bfd_elf_make_section_from_shdr
in obj_elf_change_section to ensure these flags are set.

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