Revision 2a29ca73
| b/tests/testsig.c | ||
|---|---|---|
| 67 | 67 |
int main(int argc, char **argv) |
| 68 | 68 |
{
|
| 69 | 69 |
struct sigaction act; |
| 70 |
int val; |
|
| 70 |
volatile int val;
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|
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act.sa_sigaction = sig_handler; |
| 73 | 73 |
sigemptyset(&act.sa_mask); |
| ... | ... | |
| 75 | 75 |
sigaction(SIGFPE, &act, NULL); |
| 76 | 76 |
sigaction(SIGILL, &act, NULL); |
| 77 | 77 |
sigaction(SIGSEGV, &act, NULL); |
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sigaction(SIGTRAP, &act, NULL); |
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| 78 | 79 |
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| 79 | 80 |
/* test division by zero reporting */ |
| 80 | 81 |
if (setjmp(jmp_env) == 0) {
|
| ... | ... | |
| 112 | 113 |
asm volatile ("int $0xfd");
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} |
| 114 | 115 |
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printf("INT3 exception:\n");
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if (setjmp(jmp_env) == 0) {
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asm volatile ("int3");
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} |
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printf("CLI exception:\n");
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if (setjmp(jmp_env) == 0) {
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asm volatile ("cli");
|
| ... | ... | |
| 158 | 164 |
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| 159 | 165 |
printf("HLT exception:\n");
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if (setjmp(jmp_env) == 0) {
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asm volatile ("hlt" : : "d" (0x4321), "D" (tab), "c" (1));
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asm volatile ("hlt");
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} |
| 163 | 169 |
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#if 0 |
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printf("single step exception:\n");
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val = 0; |
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if (setjmp(jmp_env) == 0) {
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asm volatile ("pushf\n"
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"orl $0x00100, (%%esp)\n" |
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"popf\n" |
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"movl $0xabcd, %0\n" : "=m" (val) : : "cc", "memory"); |
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} |
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printf("val=0x%x\n", val);
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|
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#if 1 |
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{
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| 166 | 182 |
int i; |
| 167 | 183 |
act.sa_handler = alarm_handler; |
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