Add the option, -data-in-code, to llvm-objdump used with -macho to print the Mach-O data in code table.
llvm-svn: 226921
diff --git a/llvm/tools/llvm-objdump/MachODump.cpp b/llvm/tools/llvm-objdump/MachODump.cpp
index d6e8e0a..fd7a4f5 100644
--- a/llvm/tools/llvm-objdump/MachODump.cpp
+++ b/llvm/tools/llvm-objdump/MachODump.cpp
@@ -80,6 +80,11 @@
cl::desc("Print indirect symbol table for Mach-O "
"objects (requires -macho)"));
+cl::opt<bool>
+ llvm::DataInCode("data-in-code",
+ cl::desc("Print the data in code table for Mach-O objects "
+ "(requires -macho)"));
+
static cl::list<std::string>
ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
cl::ZeroOrMore);
@@ -389,6 +394,48 @@
}
}
+static void PrintDataInCodeTable(MachOObjectFile *O, bool verbose) {
+ MachO::linkedit_data_command DIC = O->getDataInCodeLoadCommand();
+ uint32_t nentries = DIC.datasize / sizeof(struct MachO::data_in_code_entry);
+ outs() << "Data in code table (" << nentries << " entries)\n";
+ outs() << "offset length kind\n";
+ for (dice_iterator DI = O->begin_dices(), DE = O->end_dices(); DI != DE;
+ ++DI) {
+ uint32_t Offset;
+ DI->getOffset(Offset);
+ outs() << format("0x%08" PRIx32, Offset) << " ";
+ uint16_t Length;
+ DI->getLength(Length);
+ outs() << format("%6u", Length) << " ";
+ uint16_t Kind;
+ DI->getKind(Kind);
+ if (verbose) {
+ switch (Kind) {
+ case MachO::DICE_KIND_DATA:
+ outs() << "DATA";
+ break;
+ case MachO::DICE_KIND_JUMP_TABLE8:
+ outs() << "JUMP_TABLE8";
+ break;
+ case MachO::DICE_KIND_JUMP_TABLE16:
+ outs() << "JUMP_TABLE16";
+ break;
+ case MachO::DICE_KIND_JUMP_TABLE32:
+ outs() << "JUMP_TABLE32";
+ break;
+ case MachO::DICE_KIND_ABS_JUMP_TABLE32:
+ outs() << "ABS_JUMP_TABLE32";
+ break;
+ default:
+ outs() << format("0x%04" PRIx32, Kind);
+ break;
+ }
+ } else
+ outs() << format("0x%04" PRIx32, Kind);
+ outs() << "\n";
+ }
+}
+
// checkMachOAndArchFlags() checks to see if the ObjectFile is a Mach-O file
// and if it is and there is a list of architecture flags is specified then
// check to make sure this Mach-O file is one of those architectures or all
@@ -436,7 +483,7 @@
// info. And don't print it otherwise like in the case of printing the
// UniversalHeaders or ArchiveHeaders.
if (Disassemble || PrivateHeaders || ExportsTrie || Rebase || Bind ||
- LazyBind || WeakBind || IndirectSymbols) {
+ LazyBind || WeakBind || IndirectSymbols || DataInCode) {
outs() << Filename;
if (!ArchiveMemberName.empty())
outs() << '(' << ArchiveMemberName << ')';
@@ -449,6 +496,8 @@
DisassembleMachO(Filename, MachOOF);
if (IndirectSymbols)
PrintIndirectSymbols(MachOOF, true);
+ if (DataInCode)
+ PrintDataInCodeTable(MachOOF, true);
if (Relocations)
PrintRelocations(MachOOF);
if (SectionHeaders)