Add -expand-relocs to llvm-readobj

This option expands shown relocations from single line to a dictionary
format:

  Relocation {
    Offset: 0x4
    Type: R_386_32 (1)
    Symbol: sym
    Info: 0x0
  }

llvm-svn: 179359

1 files changed, 16 insertions, 6 deletions

diff --git a/llvm/tools/llvm-readobj/ELFDumper.cpp b/llvm/tools/llvm-readobj/ELFDumper.cpp
index 9e111dd..b0e2734 100644
--- a/llvm/tools/llvm-readobj/ELFDumper.cpp
+++ b/llvm/tools/llvm-readobj/ELFDumper.cpp
@@ -549,22 +549,32 @@ template<class ELFT>
 void ELFDumper<ELFT>::printRelocation(section_iterator Sec,
                                       relocation_iterator RelI) {
   uint64_t Offset;
+  uint64_t RelocType;
   SmallString<32> RelocName;
   int64_t Info;
   StringRef SymbolName;
   SymbolRef Symbol;
   if (error(RelI->getOffset(Offset))) return;
+  if (error(RelI->getType(RelocType))) return;
   if (error(RelI->getTypeName(RelocName))) return;
   if (error(RelI->getAdditionalInfo(Info))) return;
   if (error(RelI->getSymbol(Symbol))) return;
   if (error(Symbol.getName(SymbolName))) return;
 
-  raw_ostream& OS = W.startLine();
-  OS << W.hex(Offset)
-     << " " << RelocName
-     << " " << (SymbolName.size() > 0 ? SymbolName : "-")
-     << " " << W.hex(Info)
-     << "\n";
+  if (opts::ExpandRelocs) {
+    DictScope Group(W, "Relocation");
+    W.printHex("Offset", Offset);
+    W.printNumber("Type", RelocName, RelocType);
+    W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
+    W.printHex("Info", Info);
+  } else {
+    raw_ostream& OS = W.startLine();
+    OS << W.hex(Offset)
+       << " " << RelocName
+       << " " << (SymbolName.size() > 0 ? SymbolName : "-")
+       << " " << W.hex(Info)
+       << "\n";
+  }
 }
 
 template<class ELFT>