1 files changed, 86 insertions, 0 deletions
diff --git a/contrib/llvm/tools/llvm-objdump/ELFDump.cpp b/contrib/llvm/tools/llvm-objdump/ELFDump.cpp
new file mode 100644
index 0000000..7b44e39
--- /dev/null
+++ b/contrib/llvm/tools/llvm-objdump/ELFDump.cpp
@@ -0,0 +1,86 @@
+//===-- ELFDump.cpp - ELF-specific dumper -----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief This file implements the ELF-specific dumper for llvm-objdump.
+///
+//===----------------------------------------------------------------------===//
+
+#include "llvm-objdump.h"
+#include "llvm/Object/ELFObjectFile.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+using namespace llvm::object;
+
+template <class ELFT> void printProgramHeaders(const ELFFile<ELFT> *o) {
+  typedef ELFFile<ELFT> ELFO;
+  outs() << "Program Header:\n";
+  for (const typename ELFO::Elf_Phdr &Phdr : o->program_headers()) {
+    switch (Phdr.p_type) {
+    case ELF::PT_LOAD:
+      outs() << "    LOAD ";
+      break;
+    case ELF::PT_GNU_STACK:
+      outs() << "   STACK ";
+      break;
+    case ELF::PT_GNU_EH_FRAME:
+      outs() << "EH_FRAME ";
+      break;
+    case ELF::PT_INTERP:
+      outs() << "  INTERP ";
+      break;
+    case ELF::PT_DYNAMIC:
+      outs() << " DYNAMIC ";
+      break;
+    case ELF::PT_PHDR:
+      outs() << "    PHDR ";
+      break;
+    case ELF::PT_TLS:
+      outs() << "    TLS ";
+      break;
+    default:
+      outs() << " UNKNOWN ";
+    }
+
+    const char *Fmt = ELFT::Is64Bits ? "0x%016" PRIx64 " " : "0x%08" PRIx64 " ";
+
+    outs() << "off    " << format(Fmt, (uint64_t)Phdr.p_offset) << "vaddr "
+           << format(Fmt, (uint64_t)Phdr.p_vaddr) << "paddr "
+           << format(Fmt, (uint64_t)Phdr.p_paddr)
+           << format("align 2**%u\n",
+                     countTrailingZeros<uint64_t>(Phdr.p_align))
+           << "         filesz " << format(Fmt, (uint64_t)Phdr.p_filesz)
+           << "memsz " << format(Fmt, (uint64_t)Phdr.p_memsz) << "flags "
+           << ((Phdr.p_flags & ELF::PF_R) ? "r" : "-")
+           << ((Phdr.p_flags & ELF::PF_W) ? "w" : "-")
+           << ((Phdr.p_flags & ELF::PF_X) ? "x" : "-") << "\n";
+  }
+  outs() << "\n";
+}
+
+void llvm::printELFFileHeader(const object::ObjectFile *Obj) {
+  // Little-endian 32-bit
+  if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
+    printProgramHeaders(ELFObj->getELFFile());
+
+  // Big-endian 32-bit
+  if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
+    printProgramHeaders(ELFObj->getELFFile());
+
+  // Little-endian 64-bit
+  if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
+    printProgramHeaders(ELFObj->getELFFile());
+
+  // Big-endian 64-bit
+  if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
+    printProgramHeaders(ELFObj->getELFFile());
+}