On 7 July 2012 19:59, mahdi hamzeh <mahdy.ham...@gmail.com> wrote: > Hello, > > I am newbie in GCC plugin. I am developing a gcc plugin but I am > struggled with a problem I could not figure out how to deal with. The > problem is following: > > I use a function in the plugin which is defined and specified in a > ".c" file. The function is "void loop_optimizer_init (unsigned flags)" > and which is specified in "loop-init.c". To be able to use this > function, I included "cfgloop.h" in which this function is defined as > "extern void loop_optimizer_init (unsigned)". During compilation, I > don't get any error but something goes wrong since at run-time, I > receive "undefined symbol: loop_optimizer_init". I tried to compile my > plugin with different optimization options (without O, -O2, -O3) but I > still get this error. Can anybody please guide me or give me a > reference to figure out how to solve this problem? I appreciate it.
You didn't say what version of GCC you're using, but the problem is probably that on the SVN trunk GCC is compiled as C++, so loop_optimizer_init is a C++ function and its name will be mangled as _Z19loop_optimizer_initj
