CVS log for src/sys/kern/sys_process_lwpstatus.c

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Keyword substitution: kv
Default branch: MAIN

Pull up following revision(s) (requested by hgutch in ticket #1039):

	sys/kern/sys_process_lwpstatus.c: revision 1.5
	sys/sys/ptrace.h: revision 1.77
	sys/kern/sys_ptrace_common.c: revision 1.96

PR/58983: Harold Gutch: Fix INSTALL_FLOPPY on i386. Make the register handling
code conditional on if PTRACE is enabled in the kernel.

PR/58983: Harold Gutch: Fix INSTALL_FLOPPY on i386. Make the register handling
code conditional on if PTRACE is enabled in the kernel.

ptrace(PT_LWPSTATUS): Fix lid=0 case.

Make ptrace_read_lwpstatus always overwrite the whole struct
ptrace_lwpstatus so the caller doesn't have to make sure pl_lwpid is
initialized correctly -- ptrace_lwpstatus was missing that
reinitialization after ptrace_update_lwp, but it's less work for all
the callers if we just make the assertion an assignment instead.

Include missing <sys/proc.h>. Hopefully fix build for everyone except vax,
for which process_machep.c is missing.

Basic register read/write functionality and lwp setting are always provided
by the kernel because they are needed by multiple things
(ptrace/procfs/coredump), so move them to sys_process_lwpstatus (this file
should be renamed to sys_process_common.c?)

Merge changes from current as of 20200406

file sys_process_lwpstatus.c was added on branch phil-wifi on 2020-04-08 14:08:52 +0000

Rename sys_ptrace_lwpstatus.c to sys_process_lwpstatus.c

Keep the names of functions internally as ptrace intact as this code
is shared with core_elf32.c that already reaches ptrace(2) specifc symbols.

No functional change intended.