Renata Hodovan <hodovan@xxxxxxxxxxxxxxx> writes: > thank you very much your help. I redesigned __cyg_profile_enter and > __cyg_profile_exit functions and I stay in the right memory > interval. Furthermore I'm using now main_constructor and > main_destructor instead of start_test and end_test. The settings of > make also seem good, it creates the output of instrumentation that way > what I expected. But the compilation failed after a point because it > couldn't understand e.g. size_t in filenames.h and a lot of similar > errors in files what I haven't touched. I thought, since I add file IO > operations to the main.c or linking the instrument file to the > project, I distracted somehow the dependency. At this point I tried to > compile the gcc --disable-bootstrap but then the instrumentation flag > hadn't any results. What is the problem now? :S When you configure with --disable-bootstrap, use CFLAGS rather than BOOT_CFLAGS. BOOT_CFLAGS only applies to stages 2 and 3. I have no idea what the problem is when bootstrapping. You would need to provide more information. Ian