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Diffstat (limited to 'app/test/test_debug.c')
| -rw-r--r-- | app/test/test_debug.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/app/test/test_debug.c b/app/test/test_debug.c new file mode 100644 index 0000000..153c562 --- /dev/null +++ b/app/test/test_debug.c @@ -0,0 +1,150 @@ +/*- + * 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; +} |