asm2.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 25 行

// { dg-do assemble { target i?86-*-linux* } }
// We'd use ebx with -fpic/-fPIC, so skip.
// { dg-skip-if "" { i?86-*-* } { "-fpic" "-fPIC" } { "" } }
// Origin: "Weidmann, Nicholas" <[e-mail]>

typedef void (function_ptr)(int);

void foo(int)
{
}

template<function_ptr ptr> void doit(int i)
{
	__asm__("pushl %0\n\t"
		  "call *%1\n\t"
		  "popl %0"
		  :
		  : "a" (i), "b" (ptr));
}

void bar()
{
	doit<foo>(123);
}