arm: move arm_log_exception into .c file

Avoid need for qemu/log.h inclusion, and make the function static too.
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

target-arm/helper.c

@@ -5819,6 +5819,21 @@ static void do_v7m_exception_exit(CPUARMState *env)
        pointer.  */
 }
 
+static void arm_log_exception(int idx)
+{
+    if (qemu_loglevel_mask(CPU_LOG_INT)) {
+        const char *exc = NULL;
+
+        if (idx >= 0 && idx < ARRAY_SIZE(excnames)) {
+            exc = excnames[idx];
+        }
+        if (!exc) {
+            exc = "unknown";
+        }
+        qemu_log_mask(CPU_LOG_INT, "Taking exception %d [%s]\n", idx, exc);
+    }
+}
+
 void arm_v7m_cpu_do_interrupt(CPUState *cs)
 {
     ARMCPU *cpu = ARM_CPU(cs);

target-arm/internals.h

@@ -72,21 +72,6 @@ static const char * const excnames[] = {
     [EXCP_SEMIHOST] = "Semihosting call",
 };
 
-static inline void arm_log_exception(int idx)
-{
-    if (qemu_loglevel_mask(CPU_LOG_INT)) {
-        const char *exc = NULL;
-
-        if (idx >= 0 && idx < ARRAY_SIZE(excnames)) {
-            exc = excnames[idx];
-        }
-        if (!exc) {
-            exc = "unknown";
-        }
-        qemu_log_mask(CPU_LOG_INT, "Taking exception %d [%s]\n", idx, exc);
-    }
-}
-
 /* Scale factor for generic timers, ie number of ns per tick.
  * This gives a 62.5MHz timer.
  */