SPIKE + PK C++ `iostream` support

[mp-17]

Does spike + pk support C++ iostream?

For example, can this program be run with spike pk?

#include <iostream>

int main(int argc, char* argv[]) {

  std::cout << "Hello, World!";

  return 0;
}

I statically compile it, but during simulation, I get:

The futex facility returned an unexpected error code.

The error appears just by including iostream. If I replace the stream with a printf, the simulation works ONLY IF I also remove the #include <iostream> directive.

Thank you for the support!

[muhammadtalhasami]

Does spike + pk support C++ iostream?

For example, can this program be run with spike pk?

#include <iostream>

int main(int argc, char* argv[]) {

  std::cout << "Hello, World!";

  return 0;
}

I statically compile it, but during simulation, I get:

The futex facility returned an unexpected error code.

The error appears just by including iostream. If I replace the stream with a printf, the simulation works ONLY IF I also remove the #include <iostream> directive.

Thank you for the support!

[muhammadtalhasami]

@mp-17 for the c++ used this commamd riscv64-unknown-elf-g++ filename.cpp -o filename and for c use this riscv64-unknown-elf-gcc filename.c -o filename and then simply run it with spike + pk