native/abnativeelf: make symbol stripping and debug info splitting orthogonal - #102
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…thogonal
After this refactor, the semantics of ABSPLITDBG and ABSTRIP are:
ABSPLITDBG:
Split the debug information off the original ELF into an
individual, new ELF object. The original ELF is also
mutated in this case.
This translates to "-d" of abelf_copy_dbg{,_parallel}.
ABSTRIP:
Strip off all symbols from the original ELF.
This translates to "-s" of abelf_copy_dbg{,_parallel}.
Any combinations of the two flags are now supported, thus making it
possible to create ELFs with symbols retained and debug info separated.
For Microsoft .{pdb,dbg} files, ABSPLITDBG move them into the desired
directory, while ABSTRIP does nothing.
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Resolves #99.
After this refactor, the semantics of
ABSPLITDBGandABSTRIPare:ABSPLITDBG: Split the debug information off the original ELF into an individual, new ELF object. This translates to-dofabelf_copy_dbg{,_parallel}.ABSTRIP: Strip off all symbols from the original ELF. This translates to-sofabelf_copy_dbg{,_parallel}.All combinations of the two flags are now supported, thus making it possible to create ELFs with symbols retained and debug info separated.
However, applying this requires a survey of existing callers and definitions of these variables, as discussed in #99.