1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2012 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 * version: DPDK.L.1.2.3-3 34 */ 35 36 #include <stdio.h> 37 #include <stdint.h> 38 #include <sys/wait.h> 39 #include <unistd.h> 40 41 #include <cmdline_parse.h> 42 43 #include <rte_debug.h> 44 #include <rte_common.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 if(!WIFEXITED(status) || WEXITSTATUS(status) != (uint8_t)exit_val){ 118 printf("Child process terminated with incorrect return code!\n"); 119 return -1; 120 } 121 122 return 0; 123 } 124 125 static int 126 test_exit(void) 127 { 128 int test_vals[] = { 0, 1, 2, 255, -1 }; 129 unsigned i; 130 for (i = 0; i < sizeof(test_vals) / sizeof(test_vals[0]); i++){ 131 if (test_exit_val(test_vals[i]) < 0) 132 return -1; 133 } 134 printf("%s Passed\n", __func__); 135 return 0; 136 } 137 138 #endif 139 140 int 141 test_debug(void) 142 { 143 rte_dump_stack(); 144 rte_dump_registers(); 145 if (test_panic() < 0) 146 return -1; 147 if (test_exit() < 0) 148 return -1; 149 return 0; 150 } 151