ld: implement -ztype and rework option parsing

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         [-z nodelete] [-z nodlopen] [-z nodump] [-z noldynsym]
         [-z nopartial] [-z noversion] [-z now] [-z origin]
         [-z preinitarray=function] [-z redlocsym] [-z relaxreloc]
         [-z rescan-now] [-z recan] [-z rescan-start ... -z rescan-end]]
         [-z target=sparc|x86] [-z text | textwarn | textoff]
+        [-z type=exec|kmod|reloc|shared]
         [-z verbose] [-z wrap=symbol] filename...
  
  
  DESCRIPTION
         The link-editor, ld, combines relocatable object files by resolving
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             In dynamic mode only, lists a warning if any relocations against
             non-writable, allocatable sections remain. This mode is the default
             when building an executable.
  
  
+        -z type=exec|kmod|reloc|shared
+ 
+            Specifies the type of object to create.
+ 
+ 
+            exec
+ 
+                Dynamic executable
+ 
+ 
+            reloc
+ 
+                Relocatable object
+ 
+ 
+            shared
+ 
+                Dynamic shared object
+ 
+ 
+            kmod
+ 
+                illumos kernel module
+ 
+ 
         -z verbose
  
             This option provides additional warning diagnostics during a link-
             edit.  Presently, this option conveys suspicious use of
             displacement relocations. This option also conveys the restricted