1 //===----------------------- FaultMapParser.cpp ---------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/Object/FaultMapParser.h" 10 #include "llvm/Support/ErrorHandling.h" 11 #include "llvm/Support/Format.h" 12 #include "llvm/Support/raw_ostream.h" 13 14 using namespace llvm; 15 16 void printFaultType(FaultMapParser::FaultKind FT, raw_ostream &OS) { 17 switch (FT) { 18 default: 19 llvm_unreachable("unhandled fault type!"); 20 case FaultMapParser::FaultingLoad: 21 OS << "FaultingLoad"; 22 break; 23 case FaultMapParser::FaultingLoadStore: 24 OS << "FaultingLoadStore"; 25 break; 26 case FaultMapParser::FaultingStore: 27 OS << "FaultingStore"; 28 break; 29 } 30 } 31 32 raw_ostream & 33 llvm::operator<<(raw_ostream &OS, 34 const FaultMapParser::FunctionFaultInfoAccessor &FFI) { 35 OS << "Fault kind: "; 36 printFaultType((FaultMapParser::FaultKind)FFI.getFaultKind(), OS); 37 OS << ", faulting PC offset: " << FFI.getFaultingPCOffset() 38 << ", handling PC offset: " << FFI.getHandlerPCOffset(); 39 return OS; 40 } 41 42 raw_ostream &llvm::operator<<(raw_ostream &OS, 43 const FaultMapParser::FunctionInfoAccessor &FI) { 44 OS << "FunctionAddress: " << format_hex(FI.getFunctionAddr(), 8) 45 << ", NumFaultingPCs: " << FI.getNumFaultingPCs() << "\n"; 46 for (unsigned I = 0, E = FI.getNumFaultingPCs(); I != E; ++I) 47 OS << FI.getFunctionFaultInfoAt(I) << "\n"; 48 return OS; 49 } 50 51 raw_ostream &llvm::operator<<(raw_ostream &OS, const FaultMapParser &FMP) { 52 OS << "Version: " << format_hex(FMP.getFaultMapVersion(), 2) << "\n"; 53 OS << "NumFunctions: " << FMP.getNumFunctions() << "\n"; 54 55 if (FMP.getNumFunctions() == 0) 56 return OS; 57 58 FaultMapParser::FunctionInfoAccessor FI; 59 60 for (unsigned I = 0, E = FMP.getNumFunctions(); I != E; ++I) { 61 FI = (I == 0) ? FMP.getFirstFunctionInfo() : FI.getNextFunctionInfo(); 62 OS << FI; 63 } 64 65 return OS; 66 } 67