[llvm-readobj][ELF] New `-mips-plt-got` command line option to output

MIPS GOT section.

Patch reviewed by Rafael Espindola.

llvm-svn: 211150

1 files changed, 20 insertions, 0 deletions

diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 52db0ebbef3..8d2a997a231 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -135,6 +135,11 @@ namespace opts {
                               cl::desc("Display the ARM attributes section"));
   cl::alias ARMAttributesShort("-a", cl::desc("Alias for --arm-attributes"),
                                cl::aliasopt(ARMAttributes));
+
+  // -mips-plt-got
+  cl::opt<bool>
+  MipsPLTGOT("mips-plt-got",
+             cl::desc("Display the MIPS GOT and PLT GOT sections"));
 } // namespace opts
 
 static int ReturnValue = EXIT_SUCCESS;
@@ -177,6 +182,18 @@ static void reportError(StringRef Input, StringRef Message) {
   ReturnValue = EXIT_FAILURE;
 }
 
+static bool isMipsArch(unsigned Arch) {
+  switch (Arch) {
+  case llvm::Triple::mips:
+  case llvm::Triple::mipsel:
+  case llvm::Triple::mips64:
+  case llvm::Triple::mips64el:
+    return true;
+  default:
+    return false;
+  }
+}
+
 /// @brief Creates an format-specific object file dumper.
 static std::error_code createDumper(const ObjectFile *Obj, StreamWriter &Writer,
                                     std::unique_ptr<ObjDumper> &Result) {
@@ -234,6 +251,9 @@ static void dumpObject(const ObjectFile *Obj) {
   if (Obj->getArch() == llvm::Triple::arm && Obj->isELF())
     if (opts::ARMAttributes)
       Dumper->printAttributes();
+  if (isMipsArch(Obj->getArch()) && Obj->isELF())
+    if (opts::MipsPLTGOT)
+      Dumper->printMipsPLTGOT();
 }