[RuntimeDyld] Revert r211652 - MachO object GDB registration support.

The registration scheme used in r211652 violated the read-only contract of
MemoryBuffer. This caused crashes in llvm-rtdyld where macho objects were backed
by read-only mmap'd memory.

llvm-svn: 213086

1 files changed, 1 insertions, 5 deletions

diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 4919114d234..cd9c06ba24e 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -1908,7 +1908,7 @@ StringRef MachOObjectFile::getStringTableData() const {
 
 bool MachOObjectFile::is64Bit() const {
   return getType() == getMachOType(false, true) ||
-         getType() == getMachOType(true, true);
+    getType() == getMachOType(true, true);
 }
 
 void MachOObjectFile::ReadULEB128s(uint64_t Index,
@@ -1923,10 +1923,6 @@ void MachOObjectFile::ReadULEB128s(uint64_t Index,
   }
 }
 
-const char *MachOObjectFile::getSectionPointer(DataRefImpl Rel) const {
-  return Sections[Rel.d.a];
-}
-
 ErrorOr<ObjectFile *>
 ObjectFile::createMachOObjectFile(std::unique_ptr<MemoryBuffer> &Buffer) {
   StringRef Magic = Buffer->getBuffer().slice(0, 4);