Bill Mahoney wrote: > Brian and (Andrew Haley): > > But, you see, it is not unresolved for me: > > [bmahoney@IDEA play]$ gcc -finstrument-functions -o test test.c > [bmahoney@IDEA play] > > And a "nm" shows that they're going to get sucked in as part of the > library: > > U __cyg_profile_func_enter@@GLIBC_2.2.5 > U __cyg_profile_func_exit@@GLIBC_2.2.5 > > which brings me back to... Where are they in the lib source? No amount > of grepping seems to find it. The doc's for GCC say that the runtime is > in the distribution sources, so I assume that is true. This is from a > brand new 4.3.2 install. Did you generate a link map, as I suggested? That would immediately tell you where it was coming from: it's glibc. gcc -Wl,-Map,map Andrew.