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Teach macho-dump how to dump linkedit_data load commands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138807 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -137,7 +137,10 @@ namespace macho {
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LCT_Symtab = 0x2,
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LCT_Dysymtab = 0xb,
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LCT_Segment64 = 0x19,
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LCT_UUID = 0x1b
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LCT_UUID = 0x1b,
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LCT_CodeSignature = 0x1d,
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LCT_SegmentSplitInfo = 0x1e,
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LCT_FunctionStarts = 0x26
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};
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/// \brief Load command structure.
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@ -218,6 +221,13 @@ namespace macho {
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uint32_t NumLocalRelocationTableEntries;
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};
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struct LinkeditDataLoadCommand {
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uint32_t Type;
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uint32_t Size;
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uint32_t DataOffset;
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uint32_t DataSize;
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};
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/// @}
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/// @name Section Data
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/// @{
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@ -150,6 +150,9 @@ public:
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void ReadDysymtabLoadCommand(
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const LoadCommandInfo &LCI,
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InMemoryStruct<macho::DysymtabLoadCommand> &Res) const;
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void ReadLinkeditDataLoadCommand(
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const LoadCommandInfo &LCI,
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InMemoryStruct<macho::LinkeditDataLoadCommand> &Res) const;
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void ReadIndirectSymbolTableEntry(
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const macho::DysymtabLoadCommand &DLC,
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unsigned Index,
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@ -243,6 +243,18 @@ void MachOObject::ReadDysymtabLoadCommand(const LoadCommandInfo &LCI,
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ReadInMemoryStruct(*this, Buffer->getBuffer(), LCI.Offset, Res);
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}
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template<>
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void SwapStruct(macho::LinkeditDataLoadCommand &Value) {
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SwapValue(Value.Type);
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SwapValue(Value.Size);
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SwapValue(Value.DataOffset);
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SwapValue(Value.DataSize);
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}
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void MachOObject::ReadLinkeditDataLoadCommand(const LoadCommandInfo &LCI,
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InMemoryStruct<macho::LinkeditDataLoadCommand> &Res) const {
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ReadInMemoryStruct(*this, Buffer->getBuffer(), LCI.Offset, Res);
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}
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template<>
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void SwapStruct(macho::IndirectSymbolTableEntry &Value) {
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SwapValue(Value.Index);
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@ -310,6 +310,20 @@ static int DumpDysymtabCommand(MachOObject &Obj,
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return Res;
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}
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static int DumpLinkeditDataCommand(MachOObject &Obj,
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const MachOObject::LoadCommandInfo &LCI) {
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InMemoryStruct<macho::LinkeditDataLoadCommand> LLC;
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Obj.ReadLinkeditDataLoadCommand(LCI, LLC);
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if (!LLC)
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return Error("unable to read segment load command");
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outs() << " ('dataoff', " << LLC->DataOffset << ")\n"
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<< " ('datasize', " << LLC->DataSize << ")\n";
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return 0;
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}
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static int DumpLoadCommand(MachOObject &Obj, unsigned Index) {
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const MachOObject::LoadCommandInfo &LCI = Obj.getLoadCommandInfo(Index);
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int Res = 0;
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@ -330,6 +344,11 @@ static int DumpLoadCommand(MachOObject &Obj, unsigned Index) {
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case macho::LCT_Dysymtab:
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Res = DumpDysymtabCommand(Obj, LCI);
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break;
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case macho::LCT_CodeSignature:
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case macho::LCT_SegmentSplitInfo:
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case macho::LCT_FunctionStarts:
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Res = DumpLinkeditDataCommand(Obj, LCI);
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break;
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default:
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Warning("unknown load command: " + Twine(LCI.Command.Type));
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break;
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