Commits on May 4, 2024

1. write/macho: ensure Mach-O subsections are not zero size …

   For Mach-O, `add_symbol_data` now ensures that the symbol size
   is at least 1 when subsections via symbols are enabled.
   This change was made to support linking with ld-prime. It is also
   unclear how this previously managed to work with ld64.
   
   `write::Object::add_subsection` no longer enables subsections
   via symbols for Mach-O. Use `set_subsections_via_symbols` instead.
   This change was made because Mach-O subsections are all or nothing,
   so this decision must be made before any symbols are added.
   
   `write::Object::add_subsection` no longer adds data to the subsection.
   This change was made because it was done with `append_section_data`,
   but this is often not the correct way to add data to the subsection.
   Usually `add_symbol_data` is a better choice.

   

   philipc committed May 4, 2024
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