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+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * version: DPDK.L.1.2.3-3
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <cmdline_parse.h>
+
+#include <rte_debug.h>
+#include <rte_common.h>
+
+#include "test.h"
+
+/*
+ * Debug test
+ * ==========
+ *
+ * - Call rte_dump_stack() and rte_dump_registers(). The result is not checked
+ * currently, as the functions are not implemented on baremetal.
+ * - Check that rte_panic() terminates the program using a non-zero error code.
+ * (Only implemented on linux, since it requires the fork() system call)
+ */
+
+#ifdef RTE_EXEC_ENV_BAREMETAL
+
+/* baremetal - don't test rte_panic or rte_exit */
+static int
+test_panic(void)
+{
+ return 0;
+}
+
+static int
+test_exit(void)
+{
+ return 0;
+}
+
+#else
+
+/* linuxapp - use fork() to test rte_panic() */
+static int
+test_panic(void)
+{
+ int pid;
+ int status;
+
+ pid = fork();
+
+ if (pid == 0)
+ rte_panic("Test Debug\n");
+ else if (pid < 0){
+ printf("Fork Failed\n");
+ return -1;
+ }
+ wait(&status);
+ if(status == 0){
+ printf("Child process terminated normally!\n");
+ return -1;
+ } else
+ printf("Child process terminated as expected - Test passed!\n");
+
+ return 0;
+}
+
+/* linuxapp - use fork() to test rte_exit() */
+static int
+test_exit_val(int exit_val)
+{
+ int pid;
+ int status;
+
+ pid = fork();
+
+ if (pid == 0)
+ rte_exit(exit_val, __func__);
+ else if (pid < 0){
+ printf("Fork Failed\n");
+ return -1;
+ }
+ wait(&status);
+ printf("Child process status: %d\n", status);
+ if(!WIFEXITED(status) || WEXITSTATUS(status) != (uint8_t)exit_val){
+ printf("Child process terminated with incorrect return code!\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+test_exit(void)
+{
+ int test_vals[] = { 0, 1, 2, 255, -1 };
+ unsigned i;
+ for (i = 0; i < sizeof(test_vals) / sizeof(test_vals[0]); i++){
+ if (test_exit_val(test_vals[i]) < 0)
+ return -1;
+ }
+ printf("%s Passed\n", __func__);
+ return 0;
+}
+
+#endif
+
+int
+test_debug(void)
+{
+ rte_dump_stack();
+ rte_dump_registers();
+ if (test_panic() < 0)
+ return -1;
+ if (test_exit() < 0)
+ return -1;
+ return 0;
+}