systematic exception test

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@122 c046a42c-6fe2-441c-8c8c-71466251a162

tests/testsig.c

@@ -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;
     }
+
+    /* test SEGV reporting */
+    if (setjmp(jmp_env) == 0) {
+        /* read from an invalid address */
+        v1 = *(char *)0x1234;
+    }
     
-    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);
+    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;
 }