ld: implement -ztype and rework option parsing

*** 33,42 ****
--- 33,43 ----
  [\fB-z\fR nodelete] [\fB-z\fR nodlopen] [\fB-z\fR nodump] [\fB-z\fR noldynsym]
  [\fB-z\fR nopartial] [\fB-z\fR noversion] [\fB-z\fR now] [\fB-z\fR origin]
  [\fB-z\fR preinitarray=\fIfunction\fR] [\fB-z\fR redlocsym] [\fB-z\fR relaxreloc]
  [\fB-z\fR rescan-now] [\fB-z\fR recan] [\fB-z\fR rescan-start \fI\&...\fR \fB-z\fR rescan-end]]
  [\fB-z\fR target=sparc|x86] [\fB-z\fR text | textwarn | textoff]
+ [\fB-z\fR type=\fIexec\fR|\fIkmod\fR|\fIreloc\fR|\fIshared\fR]
  [\fB-z\fR verbose] [\fB-z\fR wrap=\fIsymbol\fR] \fIfilename\fR...
  .fi
  
  .SH DESCRIPTION
  .LP
*** 1581,1590 ****
--- 1582,1641 ----
  .RE
  
  .sp
  .ne 2
  .na
+ \fB-z\fR \fBtype=exec|kmod|reloc|shared\fR
+ .ad
+ .sp .6
+ .RS 4n
+ Specifies the type of object to create.
+ 
+ .sp
+ .ne 2
+ .na
+ exec
+ .ad
+ .sp .6
+ .RS 4n
+ Dynamic executable
+ .RE
+ 
+ .sp
+ .ne 2
+ .na
+ reloc
+ .ad
+ .sp .6
+ .RS 4n
+ Relocatable object
+ .RE
+ 
+ .sp
+ .ne 2
+ .na
+ shared
+ .ad
+ .sp .6
+ .RS 4n
+ Dynamic shared object
+ .RE
+ 
+ .sp
+ .ne 2
+ .na
+ kmod
+ .ad
+ .sp .6
+ .RS 4n
+ illumos kernel module
+ .RE
+ .RE
+ 
+ .sp
+ .ne 2
+ .na
  \fB\fB-z\fR \fBverbose\fR\fR
  .ad
  .sp .6
  .RS 4n
  This option provides additional warning diagnostics during a link-edit.