[llvm-readobj] Print values of FLAGS and MIPS_FLAGS dynamic table tags

[oota-llvm.git] / tools / llvm-readobj / ELFDumper.cpp

diff --git a/tools/llvm-readobj/ELFDumper.cpp b/tools/llvm-readobj/ELFDumper.cpp
index 856de7ce958ce16a3c26a75b7118463f9d1a4149..5b3302c4302f59de08bc2b15323b662b76f01b20 100644 (file)
--- a/tools/llvm-readobj/ELFDumper.cpp
+++ b/tools/llvm-readobj/ELFDumper.cpp
@@ -738,6 +738,8 @@ static const char *getTypeString(uint64_t Type) {
   LLVM_READOBJ_TYPE_CASE(VERNEED);
   LLVM_READOBJ_TYPE_CASE(VERNEEDNUM);
   LLVM_READOBJ_TYPE_CASE(VERSYM);
+  LLVM_READOBJ_TYPE_CASE(RELCOUNT);
+  LLVM_READOBJ_TYPE_CASE(GNU_HASH);
   LLVM_READOBJ_TYPE_CASE(MIPS_RLD_VERSION);
   LLVM_READOBJ_TYPE_CASE(MIPS_FLAGS);
   LLVM_READOBJ_TYPE_CASE(MIPS_BASE_ADDRESS);
@@ -753,6 +755,57 @@ static const char *getTypeString(uint64_t Type) {
 
 #undef LLVM_READOBJ_TYPE_CASE
 
+#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
+  { #enum, prefix##_##enum }
+
+static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
+  LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
+  LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
+  LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
+  LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
+  LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
+};
+
+static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
+  LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
+  LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
+};
+
+#undef LLVM_READOBJ_DT_FLAG_ENT
+
+template <typename T, typename TFlag>
+void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
+  typedef EnumEntry<TFlag> FlagEntry;
+  typedef SmallVector<FlagEntry, 10> FlagVector;
+  FlagVector SetFlags;
+
+  for (const auto &Flag : Flags) {
+    if (Flag.Value == 0)
+      continue;
+
+    if ((Value & Flag.Value) == Flag.Value)
+      SetFlags.push_back(Flag);
+  }
+
+  for (const auto &Flag : SetFlags) {
+    OS << Flag.Name << " ";
+  }
+}
+
 template <class ELFT>
 static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
                        bool Is64, raw_ostream &OS) {
@@ -781,14 +834,15 @@ static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
   case DT_DEBUG:
   case DT_VERNEED:
   case DT_VERSYM:
+  case DT_GNU_HASH:
   case DT_NULL:
-  case DT_MIPS_FLAGS:
   case DT_MIPS_BASE_ADDRESS:
   case DT_MIPS_GOTSYM:
   case DT_MIPS_RLD_MAP:
   case DT_MIPS_PLTGOT:
     OS << format("0x%" PRIX64, Value);
     break;
+  case DT_RELCOUNT:
   case DT_VERNEEDNUM:
   case DT_MIPS_RLD_VERSION:
   case DT_MIPS_LOCAL_GOTNO:
@@ -818,6 +872,12 @@ static void printValue(const ELFFile<ELFT> *O, uint64_t Type, uint64_t Value,
   case DT_RUNPATH:
     OS << O->getDynamicString(Value);
     break;
+  case DT_MIPS_FLAGS:
+    printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
+    break;
+  case DT_FLAGS:
+    printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
+    break;
   }
 }