gen_stubs: Require less manual intervention and produce better output.

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The tool will now skip over undefined symbols. These can only occur as a result
of building musl without compiler-rt, i.e. -rtlib=none. Thanks to this, it's no
longer necessary to patch Zig's compiler-rt, nor is it necessary to maintain a
symbol blacklist.

See the updated instructions here: https://github.com/ziglang/zig/wiki/Updating-libc#updating-the-libcs-file

Additionally, the tool now produces slightly more compact output by recognizing
symbols that are defined for a single arch, for a family of arches, or only for
arches using 32-bit or 64-bit time as their primary ABI.

Finally, the tool now supports all architectures that we can emit code for, with
the single exception of x86_64-linux-muslx32. (x32 currently fails with a ton of
relocation errors, leading me to believe that it might be an LLVM or LLD bug.)

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Alex Rønne Petersen 2024-11-23 02:37:46 +01:00

parent cc73d7ad74

commit fc8a4c445d

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