gcc -shared -o hack.so hack.c/usr/bin/ld: /tmp/ccUZREwA.o: relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC/tmp/ccUZREwA.o: could not read symbols: Bad valuecollect2: ld returned 1 exit…
C语言的编译一般有三个步骤: 预编译: gcc -E -o a.e a.c 预编译a.c文件,生成的目标文件名为a.e 预编译就是将include包含的头文件内容替换到C文件中,同时删除代码中没用的注释 示例: //main.c #include <stdio.h> #include "sum.h" int main(){ int m = 6; int n = 5; int result = sum(m,n); printf("hello\n%\n",…