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macho-dump: Add support for dumping segment load commands.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120203 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2010-11-27 08:22:29 +00:00
parent 35bf4d6d80
commit 4ba1f5e001
4 changed files with 168 additions and 3 deletions
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61
tools/macho-dump/macho-dump.cpp
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@@ -65,20 +65,73 @@ static int DumpHeader(MachOObject &Obj) {
return 0;
}
static void DumpSegmentCommandData(StringRef Name,
uint64_t VMAddr, uint64_t VMSize,
uint64_t FileOffset, uint64_t FileSize,
uint32_t MaxProt, uint32_t InitProt,
uint32_t NumSections, uint32_t Flags) {
outs() << " ('segment_name', '";
outs().write_escaped(Name, /*UseHexEscapes=*/true) << "')\n";
outs() << " ('vm_addr', " << VMAddr << ")\n";
outs() << " ('vm_size', " << VMSize << ")\n";
outs() << " ('file_offset', " << FileOffset << ")\n";
outs() << " ('file_size', " << FileSize << ")\n";
outs() << " ('maxprot', " << MaxProt << ")\n";
outs() << " ('initprot', " << InitProt << ")\n";
outs() << " ('num_sections', " << NumSections << ")\n";
outs() << " ('flags', " << Flags << ")\n";
}
static int DumpSegmentCommand(MachOObject &Obj,
const MachOObject::LoadCommandInfo &LCI) {
InMemoryStruct<macho::SegmentLoadCommand> SLC;
Obj.ReadSegmentLoadCommand(LCI, SLC);
if (!SLC)
return Error("unable to read segment load command");
DumpSegmentCommandData(StringRef(SLC->Name, 16), SLC->VMAddress, SLC->VMSize,
SLC->FileOffset, SLC->FileSize,
SLC->MaxVMProtection, SLC->InitialVMProtection,
SLC->NumSections, SLC->Flags);
return 0;
}
static int DumpSegment64Command(MachOObject &Obj,
const MachOObject::LoadCommandInfo &LCI) {
InMemoryStruct<macho::Segment64LoadCommand> SLC;
Obj.ReadSegment64LoadCommand(LCI, SLC);
if (!SLC)
return Error("unable to read segment load command");
DumpSegmentCommandData(StringRef(SLC->Name, 16), SLC->VMAddress, SLC->VMSize,
SLC->FileOffset, SLC->FileSize,
SLC->MaxVMProtection, SLC->InitialVMProtection,
SLC->NumSections, SLC->Flags);
return 0;
}
static int DumpLoadCommand(MachOObject &Obj, unsigned Index) {
const MachOObject::LoadCommandInfo &LCI = Obj.getLoadCommandInfo(Index);
int Res = 0;
outs() << " # Load Command " << Index << "\n"
<< " (('command', " << LCI.Command.Type << ")\n"
<< " ('size', " << LCI.Command.Size << ")\n";
switch (LCI.Command.Type) {
case macho::LCT_Segment:
Res = DumpSegmentCommand(Obj, LCI);
break;
case macho::LCT_Segment64:
Res = DumpSegment64Command(Obj, LCI);
break;
default:
Warning("unknown load command: " + Twine(LCI.Command.Type));
break;
}
outs() << " ),\n";
return 0;
return Res;
}
int main(int argc, char **argv) {
@@ -104,10 +157,12 @@ int main(int argc, char **argv) {
return Res;
// Print the load commands.
int Res = 0;
outs() << "('load_commands', [\n";
for (unsigned i = 0; i != InputObject->getHeader().NumLoadCommands; ++i)
DumpLoadCommand(*InputObject, i);
if ((Res = DumpLoadCommand(*InputObject, i)))
break;
outs() << "])\n";
return 0;
return Res;
}