5 #if defined(TEST_sigstack) || defined(TEST_sigaltstack)
10 #if defined(TEST_makecontext)
20 static volatile char *handler_addr = (char *)0xDEAD;
21 #if defined(TEST_sigstack) || defined(TEST_sigaltstack)
22 static volatile int handler_done = 0;
28 for (i = 0; i < 1024; i++)
30 handler_addr = (char *)&dummy;
35 #if defined(TEST_makecontext)
36 static ucontext_t uc_handler;
37 static ucontext_t uc_main;
43 for (i = 0; i < 1024; i++)
45 handler_addr = (char *)&dummy;
46 swapcontext(&uc_handler, &uc_main);
50 int main(int argc, char *argv[])
59 skbuf = (char *)malloc(sksize*2+2*sizeof(union alltypes));
62 for (i = 0; i < sksize*2+2*sizeof(union alltypes); i++)
64 skaddr = skbuf+sizeof(union alltypes);
65 #if defined(TEST_sigstack) || defined(TEST_sigaltstack)
68 #if defined(TEST_sigstack)
70 #elif defined(TEST_sigaltstack) && defined(HAVE_STACK_T)
73 struct sigaltstack ss;
75 #if defined(TEST_sigstack)
76 ss.ss_sp = (void *)(skaddr + sksize);
78 if (sigstack(&ss, NULL) < 0)
80 #elif defined(TEST_sigaltstack)
81 ss.ss_sp = (void *)(skaddr + sksize);
84 if (sigaltstack(&ss, NULL) < 0)
87 memset((void *)&sa, 0, sizeof(struct sigaction));
88 sa.sa_handler = handler;
89 sa.sa_flags = SA_ONSTACK;
90 sigemptyset(&sa.sa_mask);
91 sigaction(SIGUSR1, &sa, NULL);
92 kill(getpid(), SIGUSR1);
97 #if defined(TEST_makecontext)
99 if (getcontext(&uc_handler) != 0)
101 uc_handler.uc_link = NULL;
102 uc_handler.uc_stack.ss_sp = (void *)(skaddr + sksize);
103 uc_handler.uc_stack.ss_size = sksize;
104 uc_handler.uc_stack.ss_flags = 0;
105 makecontext(&uc_handler, handler, 0);
106 swapcontext(&uc_main, &uc_handler);
109 if (handler_addr == (char *)0xDEAD)
111 if (handler_addr < skaddr+sksize) {
112 /* stack was placed into lower area */
113 if (*(skaddr+sksize) != 'A')
114 sprintf(result, "(skaddr)+(sksize)-%d,(sksize)-%d",
115 sizeof(union alltypes), sizeof(union alltypes));
117 strcpy(result, "(skaddr)+(sksize),(sksize)");
120 /* stack was placed into higher area */
121 if (*(skaddr+sksize*2) != 'A')
122 sprintf(result, "(skaddr),(sksize)-%d", sizeof(union alltypes));
124 strcpy(result, "(skaddr),(sksize)");
126 if ((f = fopen("conftestval", "w")) == NULL)
128 fprintf(f, "%s\n", result);