1 /* 2 * Copyright (c) 2021-2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef DFX_DUMP_RES_H 16 #define DFX_DUMP_RES_H 17 18 #include <cinttypes> 19 #include <string> 20 #include <sstream> 21 22 namespace OHOS { 23 namespace HiviewDFX { 24 25 /** 26 * @brief Processdump error code 27 * It describes the status of dumping. 28 */ 29 enum DumpErrorCode : int32_t { 30 /** no error */ 31 DUMP_ESUCCESS = 0, 32 /** read request error */ 33 DUMP_EREADREQUEST, 34 /** ppid is crash */ 35 DUMP_EGETPPID, 36 /** ptrace attach thread failed */ 37 DUMP_EATTACH, 38 /** get fd error */ 39 DUMP_EGETFD, 40 /** out of memory */ 41 DUMP_ENOMEM, 42 /** bad register number */ 43 DUMP_EBADREG, 44 /** attempt to write read-only register */ 45 DUMP_EREADONLYREG, 46 /** stop unwinding */ 47 DUMP_ESTOPUNWIND, 48 /** invalid IP */ 49 DUMP_EINVALIDIP, 50 /** bad frame */ 51 DUMP_EBADFRAME, 52 /** unsupported operation or bad value */ 53 DUMP_EINVAL, 54 /** unwind info has unsupported version */ 55 DUMP_EBADVERSION, 56 /** no unwind info found */ 57 DUMP_ENOINFO, 58 }; 59 60 class DfxDumpRes { 61 public: ToString(const int32_t & res)62 inline static std::string ToString(const int32_t& res) 63 { 64 std::stringstream ss; 65 ss << std::to_string(res) << " ( " << GetResStr(res) << " )"; 66 return ss.str(); 67 } 68 69 private: GetResStr(const int32_t & res)70 inline static const char* GetResStr(const int32_t& res) 71 { 72 const char *cp; 73 switch (res) { 74 case DUMP_ESUCCESS: cp = "no error"; break; 75 case DUMP_EREADREQUEST: cp = "read dump request error"; break; 76 case DUMP_EGETPPID: cp = "ppid is crashed before unwind"; break; 77 case DUMP_EATTACH: cp = "ptrace attach thread failed"; break; 78 case DUMP_EGETFD: cp = "get fd error"; break; 79 case DUMP_ENOMEM: cp = "out of memory"; break; 80 case DUMP_EBADREG: cp = "bad register number"; break; 81 case DUMP_EREADONLYREG: cp = "attempt to write read-only register"; break; 82 case DUMP_ESTOPUNWIND: cp = "stop unwinding"; break; 83 case DUMP_EINVALIDIP: cp = "invalid IP"; break; 84 case DUMP_EBADFRAME: cp = "bad frame"; break; 85 case DUMP_EINVAL: cp = "unsupported operation or bad value"; break; 86 case DUMP_EBADVERSION: cp = "unwind info has unsupported version"; break; 87 case DUMP_ENOINFO: cp = "no unwind info found"; break; 88 default: cp = "invalid error code"; break; 89 } 90 return cp; 91 } 92 }; 93 } // namespace HiviewDFX 94 } // namespace OHOS 95 #endif 96