Print out constant names for KVM exit reasons

Things are way easier to debug that way.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

diff --git a/tools/kvm/kvm.c b/tools/kvm/kvm.c
index faa5bc1307959c08b765f30840691d39fa1212b2..fce24019aafdd55456e3a71459467901ee76fd02 100644 (file)
--- a/tools/kvm/kvm.c
+++ b/tools/kvm/kvm.c
@@ -219,25 +219,27 @@ static uint32_t kvm__load_kernel(struct kvm *kvm, const char *kernel_filename)
        return ret;
 }
 
+#define DEFINE_KVM_EXIT_REASON(reason) [reason] = #reason
+
 static const char *exit_reasons[] = {
-       [KVM_EXIT_UNKNOWN]              = "unknown",
-       [KVM_EXIT_EXCEPTION]            = "exception",
-       [KVM_EXIT_IO]                   = "io",
-       [KVM_EXIT_HYPERCALL]            = "hypercall",
-       [KVM_EXIT_DEBUG]                = "debug",
-       [KVM_EXIT_HLT]                  = "hlt",
-       [KVM_EXIT_MMIO]                 = "mmio",
-       [KVM_EXIT_IRQ_WINDOW_OPEN]      = "irq window open",
-       [KVM_EXIT_SHUTDOWN]             = "shutdown",
-       [KVM_EXIT_FAIL_ENTRY]           = "fail entry",
-       [KVM_EXIT_INTR]                 = "intr",
-       [KVM_EXIT_SET_TPR]              = "set tpr",
-       [KVM_EXIT_TPR_ACCESS]           = "trp access",
-       [KVM_EXIT_S390_SIEIC]           = "s390 sieic",
-       [KVM_EXIT_S390_RESET]           = "s390 reset",
-       [KVM_EXIT_DCR]                  = "dcr",
-       [KVM_EXIT_NMI]                  = "dmi",
-       [KVM_EXIT_INTERNAL_ERROR]       = "internal error",
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_UNKNOWN),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_EXCEPTION),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_IO),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_HYPERCALL),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_DEBUG),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_HLT),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_MMIO),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_IRQ_WINDOW_OPEN),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_SHUTDOWN),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_FAIL_ENTRY),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_INTR),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_SET_TPR),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_TPR_ACCESS),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_S390_SIEIC),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_S390_RESET),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_DCR),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_NMI),
+       DEFINE_KVM_EXIT_REASON(KVM_EXIT_INTERNAL_ERROR),
 };
 
 static void usage(char *argv[])