Golang调用动态库so

#include "test_so.h"

int test_so_func(int a,int b)

{

    return a*b;

}

#include "load_so.h"

#include <dlfcn.h>



int do_test_so_func(int a,int b)

{

    void* handle;

    typedef int (*FPTR)(int,int);



    handle = dlopen("./test_so.so", 1);

    FPTR fptr = (FPTR)dlsym(handle, "test_so_func");



    int result = (*fptr)(a,b);

    return result;

}
复制代码
test.go
package main



/*

#include "load_so.h"

#cgo LDFLAGS: -ldl

*/

import "C"

import "fmt"



func main() {

    fmt.Println("20*30=", C.do_test_so_func(20, 30))

    fmt.Println("hello world")

}