1dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines//===- Win64EHDumper.cpp - Win64 EH Printer ---------------------*- C++ -*-===// 2dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// 3dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// The LLVM Compiler Infrastructure 4dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// 5dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// This file is distributed under the University of Illinois Open Source 6dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// License. See LICENSE.TXT for details. 7dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// 8dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines//===----------------------------------------------------------------------===// 9dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 10dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines#include "Win64EHDumper.h" 11dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines#include "llvm-readobj.h" 12dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines#include "llvm/Object/COFF.h" 13dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines#include "llvm/Support/ErrorHandling.h" 14dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines#include "llvm/Support/Format.h" 15dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 16dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesusing namespace llvm; 17dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesusing namespace llvm::object; 18dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesusing namespace llvm::Win64EH; 19dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 20dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic const EnumEntry<unsigned> UnwindFlags[] = { 21dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "ExceptionHandler", UNW_ExceptionHandler }, 22dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "TerminateHandler", UNW_TerminateHandler }, 23dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "ChainInfo" , UNW_ChainInfo } 24dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines}; 25dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 26dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic const EnumEntry<unsigned> UnwindOpInfo[] = { 27dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "RAX", 0 }, 28dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "RCX", 1 }, 29dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "RDX", 2 }, 30dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "RBX", 3 }, 31dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "RSP", 4 }, 32dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "RBP", 5 }, 33dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "RSI", 6 }, 34dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "RDI", 7 }, 35dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "R8", 8 }, 36dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "R9", 9 }, 37dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "R10", 10 }, 38dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "R11", 11 }, 39dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "R12", 12 }, 40dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "R13", 13 }, 41dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "R14", 14 }, 42dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { "R15", 15 } 43dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines}; 44dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 45dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic uint64_t getOffsetOfLSDA(const UnwindInfo& UI) { 46dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return static_cast<const char*>(UI.getLanguageSpecificData()) 47dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines - reinterpret_cast<const char*>(&UI); 48dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 49dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 50dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic uint32_t getLargeSlotValue(ArrayRef<UnwindCode> UC) { 51dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (UC.size() < 3) 52dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return 0; 53dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return UC[1].FrameOffset + (static_cast<uint32_t>(UC[2].FrameOffset) << 16); 54dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 55dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 56dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// Returns the name of the unwind code. 57dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic StringRef getUnwindCodeTypeName(uint8_t Code) { 58dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines switch (Code) { 59dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines default: llvm_unreachable("Invalid unwind code"); 60dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_PushNonVol: return "PUSH_NONVOL"; 61dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_AllocLarge: return "ALLOC_LARGE"; 62dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_AllocSmall: return "ALLOC_SMALL"; 63dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SetFPReg: return "SET_FPREG"; 64dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveNonVol: return "SAVE_NONVOL"; 65dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveNonVolBig: return "SAVE_NONVOL_FAR"; 66dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveXMM128: return "SAVE_XMM128"; 67dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveXMM128Big: return "SAVE_XMM128_FAR"; 68dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_PushMachFrame: return "PUSH_MACHFRAME"; 69dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 70dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 71dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 72dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// Returns the name of a referenced register. 73dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic StringRef getUnwindRegisterName(uint8_t Reg) { 74dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines switch (Reg) { 75dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines default: llvm_unreachable("Invalid register"); 76dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 0: return "RAX"; 77dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 1: return "RCX"; 78dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 2: return "RDX"; 79dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 3: return "RBX"; 80dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 4: return "RSP"; 81dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 5: return "RBP"; 82dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 6: return "RSI"; 83dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 7: return "RDI"; 84dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 8: return "R8"; 85dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 9: return "R9"; 86dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 10: return "R10"; 87dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 11: return "R11"; 88dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 12: return "R12"; 89dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 13: return "R13"; 90dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 14: return "R14"; 91dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case 15: return "R15"; 92dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 93dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 94dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 95dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// Calculates the number of array slots required for the unwind code. 96dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic unsigned getNumUsedSlots(const UnwindCode &UnwindCode) { 97dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines switch (UnwindCode.getUnwindOp()) { 98dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines default: llvm_unreachable("Invalid unwind code"); 99dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_PushNonVol: 100dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_AllocSmall: 101dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SetFPReg: 102dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_PushMachFrame: 103dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return 1; 104dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveNonVol: 105dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveXMM128: 106dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return 2; 107dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveNonVolBig: 108dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveXMM128Big: 109dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return 3; 110dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_AllocLarge: 111dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return (UnwindCode.getOpInfo() == 0) ? 2 : 3; 112dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 113dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 114dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 115dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic std::string formatSymbol(const Dumper::Context &Ctx, 116dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const coff_section *Section, uint64_t Offset, 117dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines uint32_t Displacement) { 118dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines std::string Buffer; 119dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines raw_string_ostream OS(Buffer); 120dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 121dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines StringRef Name; 122dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SymbolRef Symbol; 123dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (Ctx.ResolveSymbol(Section, Offset, Symbol, Ctx.UserData) || 124dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines Symbol.getName(Name)) { 125dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << format(" (0x%" PRIX64 ")", Offset); 126dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return OS.str(); 127dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 128dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 129dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << Name; 130dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (Displacement > 0) 131dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << format(" +0x%X (0x%" PRIX64 ")", Displacement, Offset); 132dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines else 133dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << format(" (0x%" PRIX64 ")", Offset); 134dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return OS.str(); 135dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 136dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 137cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hinesstatic std::error_code resolveRelocation(const Dumper::Context &Ctx, 138cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines const coff_section *Section, 139cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines uint64_t Offset, 140cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines const coff_section *&ResolvedSection, 141cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines uint64_t &ResolvedAddress) { 142dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SymbolRef Symbol; 143cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines if (std::error_code EC = 144cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines Ctx.ResolveSymbol(Section, Offset, Symbol, Ctx.UserData)) 145dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return EC; 146dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 147cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines if (std::error_code EC = Symbol.getAddress(ResolvedAddress)) 148dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return EC; 149dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 150dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines section_iterator SI = Ctx.COFF.section_begin(); 151cd81d94322a39503e4a3e87b6ee03d4fcb3465fbStephen Hines if (std::error_code EC = Symbol.getSection(SI)) 152dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return EC; 153dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 154dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines ResolvedSection = Ctx.COFF.getCOFFSection(*SI); 155dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return object_error::success; 156dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 157dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 158dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesnamespace llvm { 159dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesnamespace Win64EH { 160dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesvoid Dumper::printRuntimeFunctionEntry(const Context &Ctx, 161dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const coff_section *Section, 162dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines uint64_t Offset, 163dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const RuntimeFunction &RF) { 164dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printString("StartAddress", 165dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines formatSymbol(Ctx, Section, Offset + 0, RF.StartAddress)); 166dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printString("EndAddress", 167dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines formatSymbol(Ctx, Section, Offset + 4, RF.EndAddress)); 168dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printString("UnwindInfoAddress", 169dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines formatSymbol(Ctx, Section, Offset + 8, RF.UnwindInfoOffset)); 170dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 171dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 172dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// Prints one unwind code. Because an unwind code can occupy up to 3 slots in 173dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// the unwind codes array, this function requires that the correct number of 174dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines// slots is provided. 175dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesvoid Dumper::printUnwindCode(const UnwindInfo& UI, ArrayRef<UnwindCode> UC) { 176dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines assert(UC.size() >= getNumUsedSlots(UC[0])); 177dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 178dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.startLine() << format("0x%02X: ", unsigned(UC[0].u.CodeOffset)) 179dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines << getUnwindCodeTypeName(UC[0].getUnwindOp()); 180dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 181dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines switch (UC[0].getUnwindOp()) { 182dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_PushNonVol: 183dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " reg=" << getUnwindRegisterName(UC[0].getOpInfo()); 184dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 185dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 186dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_AllocLarge: 187dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " size=" 188dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines << ((UC[0].getOpInfo() == 0) ? UC[1].FrameOffset * 8 189dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines : getLargeSlotValue(UC)); 190dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 191dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 192dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_AllocSmall: 193dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " size=" << (UC[0].getOpInfo() + 1) * 8; 194dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 195dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 196dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SetFPReg: 197dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (UI.getFrameRegister() == 0) 198dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " reg=<invalid>"; 199dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines else 200dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " reg=" << getUnwindRegisterName(UI.getFrameRegister()) 201dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines << format(", offset=0x%X", UI.getFrameOffset() * 16); 202dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 203dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 204dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveNonVol: 205dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " reg=" << getUnwindRegisterName(UC[0].getOpInfo()) 206dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines << format(", offset=0x%X", UC[1].FrameOffset * 8); 207dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 208dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 209dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveNonVolBig: 210dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " reg=" << getUnwindRegisterName(UC[0].getOpInfo()) 211dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines << format(", offset=0x%X", getLargeSlotValue(UC)); 212dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 213dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 214dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveXMM128: 215dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " reg=XMM" << static_cast<uint32_t>(UC[0].getOpInfo()) 216dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines << format(", offset=0x%X", UC[1].FrameOffset * 16); 217dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 218dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 219dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_SaveXMM128Big: 220dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " reg=XMM" << static_cast<uint32_t>(UC[0].getOpInfo()) 221dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines << format(", offset=0x%X", getLargeSlotValue(UC)); 222dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 223dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 224dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines case UOP_PushMachFrame: 225dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << " errcode=" << (UC[0].getOpInfo() == 0 ? "no" : "yes"); 226dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines break; 227dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 228dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 229dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines OS << "\n"; 230dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 231dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 232dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesvoid Dumper::printUnwindInfo(const Context &Ctx, const coff_section *Section, 233dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines off_t Offset, const UnwindInfo &UI) { 234dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines DictScope UIS(SW, "UnwindInfo"); 235dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printNumber("Version", UI.getVersion()); 236dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printFlags("Flags", UI.getFlags(), makeArrayRef(UnwindFlags)); 237dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printNumber("PrologSize", UI.PrologSize); 238dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (UI.getFrameRegister()) { 239dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printEnum("FrameRegister", UI.getFrameRegister(), 240dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines makeArrayRef(UnwindOpInfo)); 241dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printHex("FrameOffset", UI.getFrameOffset()); 242dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } else { 243dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printString("FrameRegister", StringRef("-")); 244dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printString("FrameOffset", StringRef("-")); 245dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 246dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 247dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printNumber("UnwindCodeCount", UI.NumCodes); 248dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines { 249dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines ListScope UCS(SW, "UnwindCodes"); 250dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines ArrayRef<UnwindCode> UC(&UI.UnwindCodes[0], UI.NumCodes); 251dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines for (const UnwindCode *UCI = UC.begin(), *UCE = UC.end(); UCI < UCE; ++UCI) { 252dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines unsigned UsedSlots = getNumUsedSlots(*UCI); 253dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (UsedSlots > UC.size()) { 254dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines errs() << "corrupt unwind data"; 255dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return; 256dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 257dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 258dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines printUnwindCode(UI, ArrayRef<UnwindCode>(UCI, UCE)); 259dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines UCI = UCI + UsedSlots - 1; 260dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 261dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 262dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 263dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines uint64_t LSDAOffset = Offset + getOffsetOfLSDA(UI); 264dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (UI.getFlags() & (UNW_ExceptionHandler | UNW_TerminateHandler)) { 265dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines SW.printString("Handler", 266dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines formatSymbol(Ctx, Section, LSDAOffset, 267dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines UI.getLanguageSpecificHandlerOffset())); 268dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } else if (UI.getFlags() & UNW_ChainInfo) { 269dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (const RuntimeFunction *Chained = UI.getChainedFunctionEntry()) { 270dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines DictScope CS(SW, "Chained"); 271dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines printRuntimeFunctionEntry(Ctx, Section, LSDAOffset, *Chained); 272dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 273dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 274dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 275dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 276dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesvoid Dumper::printRuntimeFunction(const Context &Ctx, 277dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const coff_section *Section, 278dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines uint64_t SectionOffset, 279dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const RuntimeFunction &RF) { 280dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines DictScope RFS(SW, "RuntimeFunction"); 281dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines printRuntimeFunctionEntry(Ctx, Section, SectionOffset, RF); 282dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 283dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const coff_section *XData; 284dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines uint64_t Offset; 285dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (error(resolveRelocation(Ctx, Section, SectionOffset + 8, XData, Offset))) 286dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return; 287dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 288dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines ArrayRef<uint8_t> Contents; 289dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (error(Ctx.COFF.getSectionContents(XData, Contents)) || Contents.empty()) 290dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return; 291dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 292dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines Offset = Offset + RF.UnwindInfoOffset; 293dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (Offset > Contents.size()) 294dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return; 295dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 296dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const auto UI = reinterpret_cast<const UnwindInfo*>(Contents.data() + Offset); 297dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines printUnwindInfo(Ctx, XData, Offset, *UI); 298dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 299dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 300dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesvoid Dumper::printData(const Context &Ctx) { 301dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines for (const auto &Section : Ctx.COFF.sections()) { 302dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines StringRef Name; 303dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (error(Section.getName(Name))) 304dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines continue; 305dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 306dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (Name != ".pdata" && !Name.startswith(".pdata$")) 307dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines continue; 308dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 309dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const coff_section *PData = Ctx.COFF.getCOFFSection(Section); 310dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines ArrayRef<uint8_t> Contents; 311dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (error(Ctx.COFF.getSectionContents(PData, Contents)) || Contents.empty()) 312dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines continue; 313dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 314dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const RuntimeFunction *Entries = 315dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines reinterpret_cast<const RuntimeFunction *>(Contents.data()); 316dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const size_t Count = Contents.size() / sizeof(RuntimeFunction); 317dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines ArrayRef<RuntimeFunction> RuntimeFunctions(Entries, Count); 318dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 319dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines size_t Index = 0; 320dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines for (const auto &RF : RuntimeFunctions) { 321dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines printRuntimeFunction(Ctx, Ctx.COFF.getCOFFSection(Section), 322dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines Index * sizeof(RuntimeFunction), RF); 323dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines ++Index; 324dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 325dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 326dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 327dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 328dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines} 329dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 330