How can i avoid name mangling?

Question

How can I avoid name mangling in C++?

Answer 1

You can't. It's built into compilers to allow you overloading functions and to have functions with the same name in different classes and such stuff. But you can write functions that are mangled like C functions. Those can be called from C code. But those can't be overloaded and can't be called by "normal" C++ function pointers:

extern "C" void foo() {

}

The above function will be mangled like C functions for your compiler. That may include no change at all to the name, or some changes like a leading "_" in front of it or so.

Answer 2

Other way:

Controlling Names Used in Assembler Code (gcc spec.)

You can specify the name to be used in the assembler code for a C function or variable by writing the asm (or __asm__) keyword after the declarator. It is up to you to make sure that the assembler names you choose do not conflict with any other assembler symbols, or reference registers.

To specify the assembler name for functions, write a declaration for the function before its definition and put asm there, like this:

 int func () asm ("MYFUNC");

 int func ()
 {

g++ will compile it and nm -D output will be

0000000000001e02 T MYFUNC

instead of

0000000000001e02 T _Z4funcv

Tested on g++ 4.9.2