Hojun-Cho 225ee97f5c lib/os: drop kstat.mode typed-alias workaround (post-#33) ...

Pre-#33 workaround widened kstat.mode to a typed alias to dodge
an MOVL emit issue. With #33 (session 3) landed, plain u32 works
and matches both the kernel SYS_newfstatat struct layout (st_mode
is unsigned int) and Hare's sys/+linux/types.ha:120 st.mode width.
The cast-to-mode at fillfilestat is retained (kstat.mode is a u32
holding mode-typed bits, and the cast carries that intent).

Keeps the kstat surface internally consistent with its other raw-
primitive fields (uid: u32, gid: u32, ino: u64, …). A future
Hare-fidelity pass can graduate kstat to the t-suffixed aliases
({uid,gid,mode,…}_t) but that's a separate consolidation.

2026-05-18 00:30:49 +09:00

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