145
|
1 /* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
|
111
|
2 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
|
|
3 /* Verify that cleanups work with exception handling through realtime
|
|
4 signal frames. */
|
|
5
|
|
6 #include <unwind.h>
|
|
7 #include <stdlib.h>
|
|
8 #include <signal.h>
|
|
9 #include <string.h>
|
|
10
|
|
11 static _Unwind_Reason_Code
|
|
12 force_unwind_stop (int version, _Unwind_Action actions,
|
|
13 _Unwind_Exception_Class exc_class,
|
|
14 struct _Unwind_Exception *exc_obj,
|
|
15 struct _Unwind_Context *context,
|
|
16 void *stop_parameter)
|
|
17 {
|
|
18 if (actions & _UA_END_OF_STACK)
|
|
19 abort ();
|
|
20 return _URC_NO_REASON;
|
|
21 }
|
|
22
|
|
23 static void force_unwind ()
|
|
24 {
|
|
25 struct _Unwind_Exception *exc
|
|
26 = (struct _Unwind_Exception *) malloc (sizeof (*exc));
|
|
27 memset (&exc->exception_class, 0, sizeof (exc->exception_class));
|
|
28 exc->exception_cleanup = 0;
|
|
29
|
|
30 #ifndef __USING_SJLJ_EXCEPTIONS__
|
|
31 _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
|
|
32 #else
|
|
33 _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
|
|
34 #endif
|
|
35
|
|
36 abort ();
|
|
37 }
|
|
38
|
|
39 int count;
|
|
40 char *null;
|
|
41
|
|
42 static void counter (void *p __attribute__((unused)))
|
|
43 {
|
|
44 ++count;
|
|
45 }
|
|
46
|
|
47 static void handler (void *p __attribute__((unused)))
|
|
48 {
|
|
49 if (count != 2)
|
|
50 abort ();
|
|
51 exit (0);
|
|
52 }
|
|
53
|
|
54 static int __attribute__((noinline)) fn5 ()
|
|
55 {
|
|
56 char dummy __attribute__((cleanup (counter)));
|
|
57 force_unwind ();
|
|
58 return 0;
|
|
59 }
|
|
60
|
|
61 static void fn4 (int sig, siginfo_t *info, void *ctx)
|
|
62 {
|
|
63 char dummy __attribute__((cleanup (counter)));
|
|
64 fn5 ();
|
|
65 null = NULL;
|
|
66 }
|
|
67
|
|
68 static void fn3 ()
|
|
69 {
|
|
70 abort ();
|
|
71 }
|
|
72
|
|
73 static int __attribute__((noinline)) fn2 ()
|
|
74 {
|
|
75 *null = 0;
|
|
76 fn3 ();
|
|
77 return 0;
|
|
78 }
|
|
79
|
|
80 static int __attribute__((noinline)) fn1 ()
|
|
81 {
|
|
82 struct sigaction s;
|
|
83 sigemptyset (&s.sa_mask);
|
|
84 s.sa_sigaction = fn4;
|
|
85 s.sa_flags = SA_RESETHAND | SA_SIGINFO;
|
|
86 sigaction (SIGSEGV, &s, NULL);
|
|
87 sigaction (SIGBUS, &s, NULL);
|
|
88 fn2 ();
|
|
89 return 0;
|
|
90 }
|
|
91
|
|
92 static int __attribute__((noinline)) fn0 ()
|
|
93 {
|
|
94 char dummy __attribute__((cleanup (handler)));
|
|
95 fn1 ();
|
|
96 null = 0;
|
|
97 return 0;
|
|
98 }
|
|
99
|
|
100 int main()
|
|
101 {
|
|
102 fn0 ();
|
|
103 abort ();
|
|
104 }
|