[all-commits] [llvm/llvm-project] d8c95e: [libc] Add ucontext types and headers (#191789)

[Jeff Bailey via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d8c95e6ea4fbd6526641b87353bb31ce439afe8c
      https://github.com/llvm/llvm-project/commit/d8c95e6ea4fbd6526641b87353bb31ce439afe8c
  Author: Jeff Bailey <jbailey at raspberryginger.com>
  Date:   2026-04-14 (Tue, 14 Apr 2026)

  Changed paths:
    M libc/include/CMakeLists.txt
    M libc/include/llvm-libc-types/CMakeLists.txt
    A libc/include/llvm-libc-types/mcontext_t.h
    A libc/include/llvm-libc-types/ucontext_t.h
    A libc/include/llvm-libc-types/x86_64/mcontext_t.h
    A libc/include/llvm-libc-types/x86_64/ucontext_t.h
    A libc/include/ucontext.h.def
    A libc/include/ucontext.yaml

  Log Message:
  -----------
  [libc] Add ucontext types and headers (#191789)

Added mcontext_t and ucontext_t types for x86_64 Linux, and the
ucontext.h header definition. Used a dispatcher pattern for mcontext_t
and ucontext_t to support future architecture ports, mirroring the
pattern used in FPUtil.

Definitions are based on the Linux kernel ABI for x86_64.

Co-authored-by: Pavel Labath <pavel at labath.sk>



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