1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2013 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #include <stdio.h> 36 #include <stdint.h> 37 #include <sys/wait.h> 38 #include <unistd.h> 39 40 #include <cmdline_parse.h> 41 42 #include <rte_debug.h> 43 #include <rte_common.h> 44 #include <rte_eal.h> 45 46 #include "test.h" 47 48 /* 49 * Debug test 50 * ========== 51 * 52 * - Call rte_dump_stack() and rte_dump_registers(). The result is not checked 53 * currently, as the functions are not implemented on baremetal. 54 * - Check that rte_panic() terminates the program using a non-zero error code. 55 * (Only implemented on linux, since it requires the fork() system call) 56 */ 57 58 #ifdef RTE_EXEC_ENV_BAREMETAL 59 60 /* baremetal - don't test rte_panic or rte_exit */ 61 static int 62 test_panic(void) 63 { 64 return 0; 65 } 66 67 static int 68 test_exit(void) 69 { 70 return 0; 71 } 72 73 #else 74 75 /* linuxapp - use fork() to test rte_panic() */ 76 static int 77 test_panic(void) 78 { 79 int pid; 80 int status; 81 82 pid = fork(); 83 84 if (pid == 0) 85 rte_panic("Test Debug\n"); 86 else if (pid < 0){ 87 printf("Fork Failed\n"); 88 return -1; 89 } 90 wait(&status); 91 if(status == 0){ 92 printf("Child process terminated normally!\n"); 93 return -1; 94 } else 95 printf("Child process terminated as expected - Test passed!\n"); 96 97 return 0; 98 } 99 100 /* linuxapp - use fork() to test rte_exit() */ 101 static int 102 test_exit_val(int exit_val) 103 { 104 int pid; 105 int status; 106 107 pid = fork(); 108 109 if (pid == 0) 110 rte_exit(exit_val, __func__); 111 else if (pid < 0){ 112 printf("Fork Failed\n"); 113 return -1; 114 } 115 wait(&status); 116 printf("Child process status: %d\n", status); 117 #ifndef RTE_EAL_ALWAYS_PANIC_ON_ERROR 118 if(!WIFEXITED(status) || WEXITSTATUS(status) != (uint8_t)exit_val){ 119 printf("Child process terminated with incorrect status (expected = %d)!\n", 120 exit_val); 121 return -1; 122 } 123 #endif 124 return 0; 125 } 126 127 static int 128 test_exit(void) 129 { 130 int test_vals[] = { 0, 1, 2, 255, -1 }; 131 unsigned i; 132 for (i = 0; i < sizeof(test_vals) / sizeof(test_vals[0]); i++){ 133 if (test_exit_val(test_vals[i]) < 0) 134 return -1; 135 } 136 printf("%s Passed\n", __func__); 137 return 0; 138 } 139 140 #endif 141 142 static void 143 dummy_app_usage(const char *progname) 144 { 145 RTE_SET_USED(progname); 146 } 147 148 static int 149 test_usage(void) 150 { 151 if (rte_set_application_usage_hook(dummy_app_usage) != NULL) { 152 printf("Non-NULL value returned for initial usage hook\n"); 153 return -1; 154 } 155 if (rte_set_application_usage_hook(NULL) != dummy_app_usage) { 156 printf("Incorrect value returned for application usage hook\n"); 157 return -1; 158 } 159 return 0; 160 } 161 162 int 163 test_debug(void) 164 { 165 rte_dump_stack(); 166 rte_dump_registers(); 167 if (test_panic() < 0) 168 return -1; 169 if (test_exit() < 0) 170 return -1; 171 if (test_usage() < 0) 172 return -1; 173 return 0; 174 } 175