On Feb 8, 2008 9:24 PM, Jan Engelhardt <[EMAIL PROTECTED]> wrote: > > On Feb 9 2008 00:14, Joonwoo Park wrote: > >2008/2/8, rohit h <[EMAIL PROTECTED]>: > >> Hi, > >> I am a kernel newbie. > >> I tried to insmod a C++ module containing classes, inheritance. > >> I am getting 'unresolved symbol' error when I use the 'new' keyword. > >> What could the problem be? > >> > >> What kind of runtime support is needed ( arm linux kernel)? Is a > >> patch available for it? > >> > >Please take a look at click modular router which is using c++ as a > >linux kernel module. > >http://www.read.cs.ucla.edu/click/ > >The lib/glue.cc provides custom operator new. > > Uh, let's not make the world worse :) > Just call malloc from C++, and carefully select what C++ features > you are going to use. The VMware source for example does it right. >
>From the links given, I dig that following C++ features need runtime support: a. Pure virtual functions b. Global objects : Needs compiler dependent changes c. new & delete : Can use kmalloc / kfree instead d. Run time type info e. Exceptions I guess features d & e need considerable effort. Apart from these, am I free to use other C++ features? Where could I see the VMWare sources? > Compiling the kernel module with g++ is not a simple work, you may > need big patch for kernel itself. I don't want to compile entire kernel. I only want to compile my module with g++ and insmod it. Any hint on how to write the Makefile. Thanks in advance, Rohit -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
