1 /* 2 * Copyright (c) 2013-2019, Intel Corporation 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * * Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * * Neither the name of Intel Corporation nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "intel-pt.h" 30 31 32 const char *pt_errstr(enum pt_error_code errcode) 33 { 34 switch (errcode) { 35 case pte_ok: 36 return "OK"; 37 38 case pte_internal: 39 return "internal error"; 40 41 case pte_invalid: 42 return "invalid argument"; 43 44 case pte_nosync: 45 return "decoder out of sync"; 46 47 case pte_bad_opc: 48 return "unknown opcode"; 49 50 case pte_bad_packet: 51 return "unknown packet"; 52 53 case pte_bad_context: 54 return "unexpected packet context"; 55 56 case pte_eos: 57 return "reached end of trace stream"; 58 59 case pte_bad_query: 60 return "trace stream does not match query"; 61 62 case pte_nomem: 63 return "out of memory"; 64 65 case pte_bad_config: 66 return "bad configuration"; 67 68 case pte_noip: 69 return "no ip"; 70 71 case pte_ip_suppressed: 72 return "ip has been suppressed"; 73 74 case pte_nomap: 75 return "no memory mapped at this address"; 76 77 case pte_bad_insn: 78 return "unknown instruction"; 79 80 case pte_no_time: 81 return "no timing information"; 82 83 case pte_no_cbr: 84 return "no core:bus ratio"; 85 86 case pte_bad_image: 87 return "bad image"; 88 89 case pte_bad_lock: 90 return "locking error"; 91 92 case pte_not_supported: 93 return "not supported"; 94 95 case pte_retstack_empty: 96 return "compressed return without call"; 97 98 case pte_bad_retcomp: 99 return "bad compressed return"; 100 101 case pte_bad_status_update: 102 return "bad status update"; 103 104 case pte_no_enable: 105 return "expected tracing enabled event"; 106 107 case pte_event_ignored: 108 return "event ignored"; 109 110 case pte_overflow: 111 return "overflow"; 112 113 case pte_bad_file: 114 return "bad file"; 115 116 case pte_bad_cpu: 117 return "unknown cpu"; 118 } 119 120 /* Should not reach here. */ 121 return "internal error."; 122 } 123