acpi-test: retain both asl and aml files on failure

Updated the error message while at it.
Signed-off-by: NMarcel Apfelbaum <marcel.a@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

tests/acpi-test.c

@@ -34,7 +34,7 @@ typedef struct {
     gchar *asl;            /* asl code generated from aml */
     gsize asl_len;
     gchar *asl_file;
-    bool asl_file_retain;   /* do not delete the temp asl */
+    bool tmp_files_retain;   /* do not delete the temp asl/aml */
 } QEMU_PACKED AcpiSdtTable;
 
 typedef struct {
@@ -153,7 +153,8 @@ static void free_test_data(test_data *data)
             g_free(temp->aml);
         }
         if (temp->aml_file) {
-            if (g_strstr_len(temp->aml_file, -1, "aml-")) {
+            if (!temp->tmp_files_retain &&
+                g_strstr_len(temp->aml_file, -1, "aml-")) {
                 unlink(temp->aml_file);
             }
             g_free(temp->aml_file);
@@ -162,7 +163,7 @@ static void free_test_data(test_data *data)
             g_free(temp->asl);
         }
         if (temp->asl_file) {
-            if (!temp->asl_file_retain) {
+            if (!temp->tmp_files_retain) {
                 unlink(temp->asl_file);
             }
             g_free(temp->asl_file);
@@ -534,13 +535,14 @@ static void test_acpi_asl(test_data *data)
         exp_asl = normalize_asl(exp_sdt->asl);
 
         if (g_strcmp0(asl->str, exp_asl->str)) {
-            sdt->asl_file_retain = true;
-            exp_sdt->asl_file_retain = true;
+            sdt->tmp_files_retain = true;
+            exp_sdt->tmp_files_retain = true;
             fprintf(stderr,
                     "acpi-test: Warning! %.4s mismatch. "
-                    "Orig asl: %s, expected asl %s.\n",
+                    "Actual [asl:%s, aml:%s], Expected [asl:%s, aml:%s].\n",
                     (gchar *)&exp_sdt->header.signature,
-                    sdt->asl_file, exp_sdt->asl_file);
+                    sdt->asl_file, sdt->aml_file,
+                    exp_sdt->asl_file, exp_sdt->aml_file);
         }
         g_string_free(asl, true);
         g_string_free(exp_asl, true);