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* libsys/arm: include ARM EABI unwind bits into libsysJessica Clarke2026-02-131-0/+5
| | | | | | | | | | | | | | | | | | | | | libsys required ARM EABI unwind symbols like __aeabi_unwind_cpp_pr0. These symbols are normally provided by libc, but if a binary does not link libc, the symbol ends up not being resolved. Among other problems, this prevented gcc14 and newer from building on arm. Add the relevant symbols as hidden symbols into libsys to avoid this problem. (this patch was posted by jrtc27 who has asked me to move it along) PR: 292539 Tested by: fuz, Mark Millard <marklmi26-fbsd@yahoo.com> Reviewed by: mmel Approved by: markj (mentor) MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D55255
* libsys, libc: provide rfork_thread() and pdrfork_thread() on all archesKonstantin Belousov2026-01-281-0/+2
| | | | | | | Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D54898
* libsys: remove armv6 hackMinsoo Choo2025-11-291-6/+2
| | | | | | Signed-off-by: Minsoo Choo <minsoochoo0122@proton.me> Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/1903
* lib: Remove __ARM_ARCH checks that are always trueAndrew Turner2024-06-121-7/+0
| | | | | Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D45559
* libsys/arm: make vfork less of an outlierBrooks Davis2024-04-221-2/+6
| | | | | | | | Following the pattern of other architectures, make __sys_vfork the main symbol and _vfork and vfork weak aliases. This avoids the need to special case vfork in the generated list of symbols. Differential Revision: https://reviews.freebsd.org/D44330
* lib{c,sys}: return wrapped syscall APIs to libcBrooks Davis2024-03-131-7/+0
| | | | | | | | | | | | | These provide standard APIs, but are implemented using another system call (e.g., pipe implemented in terms of pipe2) or are interposed by the threading library to support cancelation. After discussion with kib (see D44111), I've concluded that it is better to keep most public interfaces in libc with as little as possible in libsys. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D44241
* libsys/arm: Remove pointless MD syscall(2)Brooks Davis2024-03-072-38/+3
| | | | | | | | This file is functionally identical to the stub generated by Makefile.sys once the MD version is removed. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D44233
* lib{c,sys}: expose _getlogin consistentlyBrooks Davis2024-02-291-1/+0
| | | | | | | | | | Historically we exposed _getlogin as a private symbol on a per-arch basis (except on aarch64 and riscv) for no obvious reason. We now need to expose it for libc's use so remove the special case from makesyscalls.lua and expose it in the generated syscalls.map. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D44116
* SYS.h: make _SYSCALL_BODY overridableBrooks Davis2024-02-051-0/+2
| | | | | Reviewed by: kib, emaste, imp Pull Request: https://github.com/freebsd/freebsd-src/pull/908
* libc: move MD sys related symbols to libsysBrooks Davis2024-02-051-0/+11
| | | | | | | This is a mix genuine MD interfaces and compat symbols like _getlogin. Reviewed by: kib, emaste, imp Pull Request: https://github.com/freebsd/freebsd-src/pull/908
* libc: Move per-arch sys/Makefile.inc to libsysBrooks Davis2024-02-051-0/+4
| | | | | | | | | | | | | | | libc/<arch>/sys/Makefile.inc -> libsys/<arch>/Makefile.sys. Require that libsys/<arch>/Makefile.sys exist. At least for current archtiectures, it's not possible for an architecture to not have and MD syscall bits. powerpcspe/Makefile.sys's structure means it had to be modified when moved so rename detection won't work, but it has trivial contents so the history is unimportant. Reviewed by: kib, emaste, imp Pull Request: https://github.com/freebsd/freebsd-src/pull/908
* libc: libc/<arch>/sys/__vdso_gettc -> libsys/<arch>/Brooks Davis2024-02-051-0/+88
| | | | | Reviewed by: kib, emaste, imp Pull Request: https://github.com/freebsd/freebsd-src/pull/908
* libsys: relocate implementations and manpagesBrooks Davis2024-02-054-0/+207
Remove core system call implementations and documentation to lib/libsys and lib/libsys/<arch> from lib/libc/sys and lib/libc/<arch>/<sys>. Update paths to allow libc to find them in their new home. Reviewed by: kib, emaste, imp Pull Request: https://github.com/freebsd/freebsd-src/pull/908
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