cpu_machdep.9: update documentation for cpu_set_user_tls()

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

This commit is contained in:

Konstantin Belousov

2025-05-30 21:28:22 +03:00

parent 2b8b37c8f5

commit 461afb1061

1 changed files with 10 additions and 1 deletions

									
										share/man/man9/cpu_machdep.9
									
		+10
		-1
	
												View File
												
				@@ -70,7 +70,7 @@

				.Fa "struct thread *td" "void (*entry)(void *)" "void *arg" "stack_t *stack"

				.Fc

				.Ft int

				.Fn cpu_set_user_tls "struct thread *td" "void *tls_base"

				.Fn cpu_set_user_tls "struct thread *td" "void *tls_base" "int thr_flags"

				.Ft void

				.Fn cpu_switch "struct thread *old" "struct thread *new" "struct mtx *mtx"

				.Ft void

				@@ -185,6 +185,15 @@ as the sole argument using the user stack described in

				sets a new thread's initial user thread pointer register to

				reference the user TLS base pointer

				.Fa tls_base .

				The

				.Fa thr_flags

				argument provides flags bits, from the same namespace as

				.Va flags

				member of the

				.Vt struct thr_param

				argument to the

				.Xr thr_new 2

				syscall.

				.Pp

				.Fn cpu_update_pcb

				updates the pcb of the current thread with current user register values.