*scratch*

Dynamic linker flags:

   export LDR_CNTRL=MAXDATA=0x80000000
   start_process_here
   unset LDR_CNTRL

IBM VA C/C++ flags:

-qsource creates .lst file right after CPP.
-qshowinc prints the list of header files included.
-bsmap:my_name_of_map_file creates a log of all mapped symbols, sorted
-bmap:my_name_of_map_file creates a log of all mapped symbols, unsorted
-bsxref:my_name_of_cross_ref creates a log of all cross referenced symbols, sorted
-bxref:my_name_of_cross_ref creates a log of all cross referenced symbols, unsorted
-bscalls:my_name_of_calls_ref creates a log of calls aka reverse cross references, unsorted
-bcalls:my_name_of_calls_ref creates a log of calls aka reverse cross references, sorted

/usr/include/syms.h has macro defintions and explains the content of log files produced by the commands shown above.