-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, En/na Ian Lance Taylor ha escrit: > Harald Servat <harald.servat@xxxxxx> writes: > >> Is there any pointer on how GCC deals to generate profiles (-p/-pg flags)? > > There may be, but I doubt it. > >> In particular, I'm looking for information on (but not only): >> >> * How GCC instruments user routines when compiling a C file using -p/-pg > > It varies by target. You need to look at the gcc backend for your > target. Sorry, but I can't figure at what kind of backend are you referring to. Let's suppose I'm interested on i386 architecture and C compiled files, where in should I start looking? >> * Where I can find the instrumentation code (i.e., the code called at >> entry and exit points of user routines). Does it belongs to GCC package? >> Or maybe belongs to a foreign package lib GLIBC? > > The entry/exit code is part of gcc. The code that it calls is mostly > in gcc/libgcov.c. > Does it mean that the profile is built on top (or reuses code) from the code coverage mechanism? Thank you very much. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEARECAAYFAkr5hzgACgkQwMPeuqUCg9xP8wCdFywki65ZrsoPZ+9Jys2CtceT XtEAn0bsNjRXlsMYnxX+/H4aBLcGUmQW =XlwU -----END PGP SIGNATURE-----
