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systematic exception test 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@122 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-05-08 15:32:33 +00:00
parent 86840ae241
commit a69d83b60b
1 changed files with 94 additions and 26 deletions
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120
tests/testsig.c
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@ -26,13 +26,15 @@ void alarm_handler(int sig)
#define REG_ESP ESP
#define REG_EIP EIP
#define REG_EFL EFL
#define REG_TRAPNO TRAPNO
#define REG_ERR ERR
#endif
void dump_regs(struct ucontext *uc)
{
printf("EAX=%08x EBX=%08x ECX=%08x EDX=%08x\n"
"ESI=%08x EDI=%08x EBP=%08x ESP=%08x\n"
"EFL=%08x EIP=%08x\n",
"EFL=%08x EIP=%08x trapno=%02x err=%08x\n",
uc->uc_mcontext.gregs[REG_EAX],
uc->uc_mcontext.gregs[REG_EBX],
uc->uc_mcontext.gregs[REG_ECX],
@ -42,7 +44,9 @@ void dump_regs(struct ucontext *uc)
uc->uc_mcontext.gregs[REG_EBP],
uc->uc_mcontext.gregs[REG_ESP],
uc->uc_mcontext.gregs[REG_EFL],
uc->uc_mcontext.gregs[REG_EIP]);
uc->uc_mcontext.gregs[REG_EIP],
uc->uc_mcontext.gregs[REG_TRAPNO],
uc->uc_mcontext.gregs[REG_ERR]);
}
void sig_handler(int sig, siginfo_t *info, void *puc)
@ -58,19 +62,22 @@ void sig_handler(int sig, siginfo_t *info, void *puc)
}
int v1;
int tab[2];
int main(int argc, char **argv)
{
struct sigaction act;
int i;
int val;
act.sa_sigaction = sig_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_SIGINFO;
sigaction(SIGFPE, &act, NULL);
sigaction(SIGILL, &act, NULL);
sigaction(SIGSEGV, &act, NULL);
/* test division by zero reporting */
if (setjmp(jmp_env) == 0) {
act.sa_sigaction = sig_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_SIGINFO | SA_ONESHOT;
sigaction(SIGFPE, &act, NULL);
/* now divide by zero */
v1 = 0;
v1 = 2 / v1;
@ -78,33 +85,94 @@ int main(int argc, char **argv)
/* test illegal instruction reporting */
if (setjmp(jmp_env) == 0) {
act.sa_sigaction = sig_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_SIGINFO | SA_ONESHOT;
sigaction(SIGILL, &act, NULL);
/* now execute an invalid instruction */
asm volatile("ud2");
}
/* test SEGV reporting */
if (setjmp(jmp_env) == 0) {
act.sa_sigaction = sig_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_SIGINFO | SA_ONESHOT;
sigaction(SIGSEGV, &act, NULL);
/* now store in an invalid address */
*(char *)0x1234 = 1;
}
act.sa_handler = alarm_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
sigaction(SIGALRM, &act, NULL);
alarm(1);
for(i = 0;i < 2; i++) {
sleep(1);
/* test SEGV reporting */
if (setjmp(jmp_env) == 0) {
/* read from an invalid address */
v1 = *(char *)0x1234;
}
printf("segment GPF exception:\n");
if (setjmp(jmp_env) == 0) {
/* load an invalid segment */
asm volatile ("movl %0, %%fs" : : "r" ((0x1234 << 3) | 0));
}
printf("INT exception:\n");
if (setjmp(jmp_env) == 0) {
asm volatile ("int $0xfd");
}
printf("CLI exception:\n");
if (setjmp(jmp_env) == 0) {
asm volatile ("cli");
}
printf("STI exception:\n");
if (setjmp(jmp_env) == 0) {
asm volatile ("cli");
}
printf("INTO exception:\n");
if (setjmp(jmp_env) == 0) {
/* overflow exception */
asm volatile ("addl $1, %0 ; into" : : "r" (0x7fffffff));
}
printf("BOUND exception:\n");
if (setjmp(jmp_env) == 0) {
/* bound exception */
tab[0] = 1;
tab[1] = 10;
asm volatile ("bound %0, %1" : : "r" (11), "m" (tab));
}
printf("OUTB exception:\n");
if (setjmp(jmp_env) == 0) {
asm volatile ("outb %%al, %%dx" : : "d" (0x4321), "a" (0));
}
printf("INB exception:\n");
if (setjmp(jmp_env) == 0) {
asm volatile ("inb %%dx, %%al" : "=a" (val) : "d" (0x4321));
}
printf("REP OUTSB exception:\n");
if (setjmp(jmp_env) == 0) {
asm volatile ("rep outsb" : : "d" (0x4321), "S" (tab), "c" (1));
}
printf("REP INSB exception:\n");
if (setjmp(jmp_env) == 0) {
asm volatile ("rep insb" : : "d" (0x4321), "D" (tab), "c" (1));
}
printf("HLT exception:\n");
if (setjmp(jmp_env) == 0) {
asm volatile ("hlt" : : "d" (0x4321), "D" (tab), "c" (1));
}
#if 0
{
int i;
act.sa_handler = alarm_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
sigaction(SIGALRM, &act, NULL);
alarm(1);
for(i = 0;i < 2; i++) {
sleep(1);
}
}
#endif
return 0;
}