1 /* 2 * Copyright (c) 2021-2022 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 #include "dfx_dump_res.h" 16 17 #include <sstream> 18 #include <string> 19 #include "ostream" 20 21 namespace OHOS { 22 namespace HiviewDFX { GetInstance()23DfxDumpRes &DfxDumpRes::GetInstance() 24 { 25 static DfxDumpRes ins; 26 return ins; 27 } 28 SetRes(int32_t res)29void DfxDumpRes::SetRes(int32_t res) 30 { 31 resMsg_.res = res; 32 } 33 GetRes() const34int32_t DfxDumpRes::GetRes() const 35 { 36 return resMsg_.res; 37 } 38 GetResStr(const int res) const39const char* DfxDumpRes::GetResStr(const int res) const 40 { 41 const char *cp; 42 switch (res) { 43 case DUMP_ESUCCESS: cp = "no error"; break; 44 case DUMP_EREADREQUEST: cp = "read dump request error"; break; 45 case DUMP_EGETPPID: cp = "ppid is crashed before unwind"; break; 46 case DUMP_EATTACH: cp = "ptrace attach thread failed"; break; 47 case DUMP_EGETFD: cp = "get fd error"; break; 48 case DUMP_ENOMEM: cp = "out of memory"; break; 49 case DUMP_EBADREG: cp = "bad register number"; break; 50 case DUMP_EREADONLYREG: cp = "attempt to write read-only register"; break; 51 case DUMP_ESTOPUNWIND: cp = "stop unwinding"; break; 52 case DUMP_EINVALIDIP: cp = "invalid IP"; break; 53 case DUMP_EBADFRAME: cp = "bad frame"; break; 54 case DUMP_EINVAL: cp = "unsupported operation or bad value"; break; 55 case DUMP_EBADVERSION: cp = "unwind info has unsupported version"; break; 56 case DUMP_ENOINFO: cp = "no unwind info found"; break; 57 default: cp = "invalid error code"; break; 58 } 59 return cp; 60 } 61 ToString() const62std::string DfxDumpRes::ToString() const 63 { 64 std::stringstream ss; 65 ss << std::to_string(resMsg_.res) << " ( " << GetResStr(resMsg_.res) << " )"; 66 return ss.str(); 67 } 68 } // namespace HiviewDFX 69 } // namespace OHOS