15254 %ymm registers not restored after signal handler
15367 x86 getfpregs() summons corrupting %xmm ghosts
15333 want x86 /proc xregs support (libc_db, libproc, mdb, etc.)
15336 want libc functions for extended ucontext_t
15334 want ps_lwphandle-specific reg routines
15328 FPU_CW_INIT mistreats reserved bit
15335 i86pc fpu_subr.c isn't really platform-specific
15332 setcontext(2) isn't actually noreturn
15331 need <sys/stdalign.h>
Change-Id: I7060aa86042dfb989f77fc3323c065ea2eafa9ad
Conflicts:
    usr/src/uts/common/fs/proc/prcontrol.c
    usr/src/uts/intel/os/archdep.c
    usr/src/uts/intel/sys/ucontext.h
    usr/src/uts/intel/syscall/getcontext.c

@@ -10,12 +10,13 @@
 .\"
 .\"
 .\" Copyright 2018 Joyent, Inc.
 .\" Copyright (c) 2019 Carlos Neira <cneirabustos@gmail.com>
 .\" Copyright 2020 OmniOS Community Edition (OmniOSce) Association.
+.\" Copyright 2023 Oxide Computer Company
 .\"
-.Dd March 10, 2023
+.Dd March 20, 2023
 .Dt LIBPROC 3LIB
 .Os
 .Sh NAME
 .Nm libproc
 .Nd process control library

@@ -216,15 +217,10 @@
 .It Sy Pgetauxval Ta Sy Pgetauxvec
 .It Sy Pgetenv Ta Sy Pisprocdir
 .It Sy Pissyscall_prev Ta Sy Plmid
 .It Sy Plmid_to_loadobj Ta Sy Plmid_to_map
 .It Sy Plookup_by_addr Ta Sy Plookup_by_name
-.It Sy Plwp_alt_stack Ta Sy Plwp_getfpregs
-.It Sy Plwp_getname Ta Sy Plwp_getpsinfo
-.It Sy Plwp_getregs Ta Sy Plwp_getspymaster
-.It Sy Plwp_main_stack Ta Sy Plwp_setfpregs
-.It Sy Plwp_setregs Ta Sy Plwp_stack
 .It Sy Pname_to_ctf Ta Sy Pname_to_loadobj
 .It Sy Pname_to_map Ta Sy Pobjname
 .It Sy Pobjname_resolved Ta Sy Pplatform
 .It Sy Ppltdest Ta Sy Ppriv
 .It Sy Ppsinfo Ta Sy Pputareg

@@ -254,18 +250,30 @@
 manipulation of the thread itself.
 .Bl -column -offset indent ".Sy Pmapping_iter_resolved" ".Sy Psymbol_iter_by_addr"
 .It Sy Lalt_stack Ta Sy Lclearfault
 .It Sy Lclearsig Ta Sy Lctlfd
 .It Sy Ldstop Ta Sy Lgetareg
-.It Sy Lmain_stack Ta Sy Lprochandle
-.It Sy Lpsinfo Ta Sy Lputareg
-.It Sy Lsetrun Ta Sy Lstack
+.It Sy Lgetfpregs Ta Sy Lgetregs
+.It Sy Lgetxregs Ta Sy Lmain_stack
+.It Sy Lprochandle Ta Sy Lpsinfo
+.It Sy Lputareg Ta Sy Lsetrun
+.It Sy Lsetfpregs Ta Sy Lsetregs
+.It Sy Lsetxregs Ta Sy Lstack
 .It Sy Lstate Ta Sy Lstatus
 .It Sy Lstop Ta Sy Lsync
 .It Sy Lwait Ta Sy Lxecbkpt
-.It Sy Lxecwapt Ta ""
+.It Sy Lxecwapt Ta Sy ""
 .El
+.Bl -column -offset indent ".Sy Pmapping_iter_resolved" ".Sy Psymbol_iter_by_addr"
+.It Sy Plwp_alt_stack Ta Sy Plwp_freexregs
+.It Sy Plwp_getfpregs Ta Sy Plwp_getname
+.It Sy Plwp_getpsinfo Ta Sy Plwp_getregs
+.It Sy Plwp_getspymaster Ta Sy Plwp_main_stack
+.It Sy Plwp_getxregs Ta Sy Plwp_setfpregs
+.It Sy Plwp_setregs Ta Sy Plwp_setxregs
+.It Sy Plwp_stack Ta Sy ""
+.El
 .Ss System Call Injection
 The following routines are used to inject specific system calls and have
 them run in the context of a process.
 .Bl -column -offset indent ".Sy Pmapping_iter_resolved" ".Sy Psymbol_iter_by_addr"
 .It Sy pr_access Ta Sy pr_close

@@ -336,12 +344,11 @@
 The following functions are specific to the SPARC, 32-bit and 64-bit,
 versions of the
 .Nm
 library.
 .Bl -column -offset indent ".Sy Pmapping_iter_resolved" ".Sy Psymbol_iter_by_addr"
-.It Sy Plwp_getgwindows Ta Sy Plwp_getxregs
-.It Sy Plwp_setxregs Ta Sy ""
+.It Sy Plwp_getgwindows Ta Sy ""
 .El
 .Pp
 The following functions are specific to the 64-bit SPARC version of the
 .Nm
 library.