linux-user/hppa: Use the proper si_code for PRIV_OPR, PRIV_REG, OVERFLOW

These si_codes have been properly set by the kernel since the beginning.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220107213243.212806-7-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/hppa/cpu_loop.c

@@ -144,11 +144,17 @@ void cpu_loop(CPUHPPAState *env)
             env->iaoq_b = env->gr[31] + 4;
             break;
         case EXCP_ILL:
+            force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPN, env->iaoq_f);
+            break;
         case EXCP_PRIV_OPR:
+            force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->iaoq_f);
+            break;
         case EXCP_PRIV_REG:
-            force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPN, env->iaoq_f);
+            force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVREG, env->iaoq_f);
             break;
         case EXCP_OVERFLOW:
+            force_sig_fault(TARGET_SIGFPE, TARGET_FPE_INTOVF, env->iaoq_f);
+            break;
         case EXCP_COND:
         case EXCP_ASSIST:
             force_sig_fault(TARGET_SIGFPE, 0, env->iaoq_f);