hello-cpp.cpp

/*
 * Copyright (c) 2018 Martin Storsjo
 *
 * This file is part of llvm-mingw.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <iostream>

class Hello {
public:
    Hello() {
        printf("Hello ctor\n");
    }
    ~Hello() {
        printf("Hello dtor\n");
    }
};

Hello global_h;

__attribute__((constructor)) static void attr_ctor(void) {
    printf("attr_ctor\n");
}

__attribute__((destructor)) static void attr_dtor(void) {
    printf("attr_dtor\n");
}

int main(int argc, char* argv[]) {
    std::cout<<"Hello world C++"<<std::endl;
    return 0;
}