> > What I have found is that g++ (unlike gcc) links with -lgcc_s instead of > -lgcc and that the atomic functions are present in libgcc.a and not in > libgcc_s.so. > Anyone knows the rationale for the absence of functions such as __sync_fetch_and_add (and more generally all __sunc* functions) from libgcc_s.so ? Is it a bug/feature specific to the ARM port? (on x86 for instance, such functions do not exist, the corresponding builtin is fully expanded and requires not lib call). Thanks! Christophe.
