1 - cannot map program counters to function names for symbols loaded by 2 dlopen/dlsym 3 - does not support multi-threaded programs 4 - mprfl-so requires symbol _init to be present, which is not always true for 5 stripped executables 6 - must set MPRSH on solaris8: cannot run some MPRFI pipelines using /bin/sh 7 - config/btsparc.c is GCC specific 8 - mprmap's -p option does not always work (GNU_V3 and AUTO demangling do not 9 honor DMGL_PARAMS in demangle/cp-demangle.c:cplus_demangle_v3()) 10 - on netbsd, must set MPRLD_PRELOAD=/full/path/to/libmpr.so since ld.elf_so(1) 11 does not use LD_LIBRARY_PATH to search for LD_PRELOAD objects