vers9.c

来自「GNU binutils是GNU交叉工具链中的一个源码包」· C语言 代码 · 共 48 行

/*
 * Testcase to verify that reference to foo@BAR and a definition of foo@@BAR
 * are not treated as a multiple def.
 */
const char * bar1 = "asdf";
const char * bar2 = "asdf";

extern int old_foo1();

int
bar()
{
	return 3;
}

int
original_foo()
{
	return 1+bar();

}

int
old_foo()
{
	return 10+bar();

}

int
new_foo()
{
	return 1000+bar();

}

int
main()
{
  old_foo1();
  return 0;
}

__asm__(".symver original_foo,foo@");
__asm__(".symver old_foo,foo@VERS_1.1");
__asm__(".symver old_foo1,foo@VERS_1.2");
__asm__(".symver new_foo,foo@@VERS_1.2");