🚀 go-pugleaf

Bob Eager <news...@eager.cx> writes:
>On Fri, 02 Mar 2018 17:24:00 +0000, Charlie Gibbs wrote:
>
>> Perhaps I overgeneralized.  Indeed, a freestanding cross-reference
>> utility would have to do a lot of work to provide more than the line
>> number in which a symbol was defined and the line numbers in which it
>> was referenced.  The assembler or compiler, on the other hand, knows the
>> symbol's value, length attribute, type attribute, relocation attribute,
>> etc.  If it writes these out to a work file,
>> along with line numbers where the symbol is used, it's possible to
>> generate a pretty comprehensive report from the result.
>
>That is exactly what the DEC assemblers did on many of their systems.
>
>I was also, I suppose, making the point that the symbol table and the 
>cross reference have very different uses. A symbol table is usually more 
>cmpact (several columns) which can be useful.
>

I had combined them in the linux cross-assembler for Burroughs Medium Systems
that I wrote:

$ utilities/sprasm/sprasm utilities/sprasm/tests/test_mvr.sprasm
*                                                                               
* SPRASM Test Program.   Test MVR with IXreg                                    
*                                                                               
        SYNC 100                                                                
IOCBS   DATA 2000 UA                                                            000000 00000000000000000000000000000000000000000000000000...
                                                                                
START   MVN     IOCBS(LL), IX1          / Get an IOCB                           004000 11a607000000100008
        MVR (/00) =@00@, BASE:+X1(UN)   / And clear it.                         004018 14a20000ffff400000
HALT    HBR     HALT                    / Halt the processor                    004036 29004036

SYMBOL Offset MA Size   Type   Def'n   Cross-Reference
HALT   004036 01 000000 UN   [      9]       9
IOCBS  000000 00 002000 UA   [      5]       7
START  004000 01 000000 UN   [      7]
10 records assembled.  0 errors, 0 warnings