On Sat, 21 Oct 2006 15:44:00 -0600, Jeffrey D. Smith <[EMAIL PROTECTED]> wrote: > > LA R3,FUBAR > ST R2,0(0,R3) > > No way for the assembler to determine that the ST is storing > into field FUBAR. > > The only way to know for sure is to put the program into > read-only storage. An unauthorized program can do that by > using the IARVSERV or PGSER to page protect the program > after it is loaded. The program must be marked page-aligned > and the size must be an exact multiple of a page. > There has also been discussed on ASSEMBLER-LIST a secret PARMLIB option that when set causes all code, authorized or not, marked RENT to be loaded in a write-protected subpool. There was a URL for an IBM presentation.
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