Start migrating mach-o dumping facilities to the object file out of a
authorEric Christopher <echristo@apple.com>
Sun, 3 Apr 2011 23:51:47 +0000 (23:51 +0000)
committerEric Christopher <echristo@apple.com>
Sun, 3 Apr 2011 23:51:47 +0000 (23:51 +0000)
separate executable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128801 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Object/MachOObject.h
lib/Object/MachOObject.cpp
tools/macho-dump/macho-dump.cpp

index 03d9c147b413a7316f2859bbea9da31bb8004360..19a399e62fe34ba8b722207d3c1e8245d21d4bd8 100644 (file)
@@ -19,6 +19,7 @@
 namespace llvm {
 
 class MemoryBuffer;
+class raw_ostream;
 
 namespace object {
 
@@ -172,7 +173,26 @@ public:
     InMemoryStruct<macho::Symbol64TableEntry> &Res) const;
 
   /// @}
+  
+  /// @name Object Dump Facilities
+  /// @{
+  /// dump - Support for debugging, callable in GDB: V->dump()
+  //
+  void dump() const;
+  void dumpHeader() const;
+  
+  /// print - Implement operator<< on Value.
+  ///
+  void print(raw_ostream &O) const;
+  void printHeader(raw_ostream &O) const;
+
+  /// @}
 };
+  
+inline raw_ostream &operator<<(raw_ostream &OS, const MachOObject &V) {
+  V.print(OS);
+  return OS;
+}
 
 } // end namespace object
 } // end namespace llvm
index 5e64d6323288c3f4ddcd46c0655bc128a3806a35..9890febfb616ccfd5e588bb348a01a436b606df8 100644 (file)
@@ -12,6 +12,8 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Host.h"
 #include "llvm/Support/SwapByteOrder.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Debug.h"
 
 using namespace llvm;
 using namespace llvm::object;
@@ -340,3 +342,29 @@ void MachOObject::ReadSymbol64TableEntry(uint64_t SymbolTableOffset,
                      Index * sizeof(macho::Symbol64TableEntry));
   ReadInMemoryStruct(*this, Buffer->getBuffer(), Offset, Res);
 }
+
+/* ** */
+// Object Dumping Facilities
+void MachOObject::dump() const { print(dbgs()); dbgs() << '\n'; }
+void MachOObject::dumpHeader() const { printHeader(dbgs()); dbgs() << '\n'; }
+
+void MachOObject::printHeader(raw_ostream &O) const {
+  O << "('cputype', " << Header.CPUType << ")\n";
+  O << "('cpusubtype', " << Header.CPUSubtype << ")\n";
+  O << "('filetype', " << Header.FileType << ")\n";
+  O << "('num_load_commands', " << Header.NumLoadCommands << ")\n";
+  O << "('load_commands_size', " << Header.SizeOfLoadCommands << ")\n";
+  O << "('flag', " << Header.Flags << ")\n";
+  
+  // Print extended header if 64-bit.
+  if (is64Bit())
+    O << "('reserved', " << Header64Ext.Reserved << ")\n";
+}
+
+void MachOObject::print(raw_ostream &O) const {
+  O << "Header:\n";
+  printHeader(O);
+  O << "Load Commands:\n";
+  
+  O << "Buffer:\n";
+}
index c4c558d9acd3a921cab73d61c94a944ebfe963b5..a69368b3d7a8ee42d0b5e1751acc2ed7ecaa2a0f 100644 (file)
@@ -376,8 +376,8 @@ int main(int argc, char **argv) {
   if (!InputObject)
     return Error("unable to load object: '" + ErrorStr + "'");
 
-  if (int Res = DumpHeader(*InputObject))
-    return Res;
+  // Print the header
+  InputObject->printHeader(outs());
 
   // Print the load commands.
   int Res = 0;