Mercurial > hg > CbC > CbC_gcc

comparison CbC-examples/test_nest.c @ 16:4c6926a2b9bc

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examples.
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Thu, 24 Sep 2009 12:51:25 +0900
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15:11a6cbe2d14c 16:4c6926a2b9bc
1
2 int printf(char *, ...);
3 typedef void (*RET_FUNC)(int, void *);
4
5 void g(RET_FUNC func)
6 {
7 func(33, 0);
8 }
9
10 int f()
11 {
12 void *ret;
13 ret = ({
14 __label__ exit0;
15 int retval;
16 void __return_func(int retval_, void *fp){
17 retval = retval_;
18 goto exit0;
19 }
20 if (0) {
21 exit0:
22 printf("f2: fp = 0x%x\n", __builtin_frame_address(0));
23 return retval;
24 }
25 __return_func;
26 });
27
28 //g(__return_func, __builtin_frame_address(0));
29 printf("f0: fp = 0x%x\n", __builtin_frame_address(0));
30 printf("__return_func = %x\n", ret);
31 g(ret);
32
33 printf("not good\n");
34 return 0;
35
36 //exit0:
37 //printf("f2: fp = 0x%x\n", __builtin_frame_address(0));
38 //return retval;
39 }
40
41 int main(int argc, char **argv)
42 {
43 int t;
44 printf("main before: fp = 0x%x\n", __builtin_frame_address(0));
45 t = f();
46 printf("f = %d\n", t);
47 printf("main after: fp = 0x%x\n", __builtin_frame_address(0));
48 }
49
50