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macho-dump: Add support for dumping symtab and dysymtab commands.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120204 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2010-11-27 08:33:44 +00:00
parent 4ba1f5e001
commit f879f14cef
4 changed files with 141 additions and 0 deletions
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52
tools/macho-dump/macho-dump.cpp
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@@ -111,6 +111,52 @@ static int DumpSegment64Command(MachOObject &Obj,
return 0;
}
static int DumpSymtabCommand(MachOObject &Obj,
const MachOObject::LoadCommandInfo &LCI) {
InMemoryStruct<macho::SymtabLoadCommand> SLC;
Obj.ReadSymtabLoadCommand(LCI, SLC);
if (!SLC)
return Error("unable to read segment load command");
outs() << " ('symoff', " << SLC->SymbolTableOffset << ")\n";
outs() << " ('nsyms', " << SLC->NumSymbolTableEntries << ")\n";
outs() << " ('stroff', " << SLC->StringTableOffset << ")\n";
outs() << " ('strsize', " << SLC->StringTableSize << ")\n";
return 0;
}
static int DumpDysymtabCommand(MachOObject &Obj,
const MachOObject::LoadCommandInfo &LCI) {
InMemoryStruct<macho::DysymtabLoadCommand> DLC;
Obj.ReadDysymtabLoadCommand(LCI, DLC);
if (!DLC)
return Error("unable to read segment load command");
outs() << " ('ilocalsym', " << DLC->LocalSymbolIndex << ")\n";
outs() << " ('nlocalsym', " << DLC->NumLocalSymbols << ")\n";
outs() << " ('iextdefsym', " << DLC->ExternalSymbolsIndex << ")\n";
outs() << " ('nextdefsym', " << DLC->NumExternalSymbols << ")\n";
outs() << " ('iundefsym', " << DLC->UndefinedSymbolsIndex << ")\n";
outs() << " ('nundefsym', " << DLC->NumUndefinedSymbols << ")\n";
outs() << " ('tocoff', " << DLC->TOCOffset << ")\n";
outs() << " ('ntoc', " << DLC->NumTOCEntries << ")\n";
outs() << " ('modtaboff', " << DLC->ModuleTableOffset << ")\n";
outs() << " ('nmodtab', " << DLC->NumModuleTableEntries << ")\n";
outs() << " ('extrefsymoff', " << DLC->ReferenceSymbolTableOffset << ")\n";
outs() << " ('nextrefsyms', "
<< DLC->NumReferencedSymbolTableEntries << ")\n";
outs() << " ('indirectsymoff', " << DLC->IndirectSymbolTableOffset << ")\n";
outs() << " ('nindirectsyms', "
<< DLC->NumIndirectSymbolTableEntries << ")\n";
outs() << " ('extreloff', " << DLC->ExternalRelocationTableOffset << ")\n";
outs() << " ('nextrel', " << DLC->NumExternalRelocationTableEntries << ")\n";
outs() << " ('locreloff', " << DLC->LocalRelocationTableOffset << ")\n";
outs() << " ('nlocrel', " << DLC->NumLocalRelocationTableEntries << ")\n";
return 0;
}
static int DumpLoadCommand(MachOObject &Obj, unsigned Index) {
const MachOObject::LoadCommandInfo &LCI = Obj.getLoadCommandInfo(Index);
int Res = 0;
@@ -125,6 +171,12 @@ static int DumpLoadCommand(MachOObject &Obj, unsigned Index) {
case macho::LCT_Segment64:
Res = DumpSegment64Command(Obj, LCI);
break;
case macho::LCT_Symtab:
Res = DumpSymtabCommand(Obj, LCI);
break;
case macho::LCT_Dysymtab:
Res = DumpDysymtabCommand(Obj, LCI);
break;
default:
Warning("unknown load command: " + Twine(LCI.Command.Type));
break;