On Thu, Jun 05, 2008 at 12:55:17PM -0700, [EMAIL PROTECTED] wrote: > I am attempting to modify the compiler to instrument function calls and > returns. The end result that i am trying to achieve is to send the > address of every called function to a memory mapped file prior to the > call and after the call send an immediate value to that same file. The > target architecture is x86.
You should be able to achieve what you want without modifying the compiler. Check the manual for the the -finstrument-functions option. There's also the existing coverage support: compile with -ftest-coverage -fprofile-arcs, then run gcov.