1 files changed, 31 insertions, 3 deletions
diff --git a/tools/llvm-readobj/ELFDumper.cpp b/tools/llvm-readobj/ELFDumper.cpp
index 0931cb70f6d8..99969fd469f9 100644
--- a/tools/llvm-readobj/ELFDumper.cpp
+++ b/tools/llvm-readobj/ELFDumper.cpp
@@ -58,6 +58,7 @@ public:
   void printAttributes() override;
   void printMipsPLTGOT() override;
   void printMipsABIFlags() override;
+  void printMipsReginfo() override;
 
 private:
   typedef ELFFile<ELFT> ELFO;
@@ -147,12 +148,12 @@ getSectionNameIndex(const ELFO &Obj, typename ELFO::Elf_Sym_Iter Symbol,
     SectionName = "Processor Specific";
   else if (Symbol->isOSSpecific())
     SectionName = "Operating System Specific";
-  else if (Symbol->isReserved())
-    SectionName = "Reserved";
   else if (Symbol->isAbsolute())
     SectionName = "Absolute";
   else if (Symbol->isCommon())
     SectionName = "Common";
+  else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
+    SectionName = "Reserved";
   else {
     if (SectionIndex == SHN_XINDEX)
       SectionIndex = Obj.getSymbolTableIndex(&*Symbol);
@@ -233,7 +234,7 @@ static const EnumEntry<unsigned> ElfMachineType[] = {
   LLVM_READOBJ_ENUM_ENT(ELF, EM_386          ),
   LLVM_READOBJ_ENUM_ENT(ELF, EM_68K          ),
   LLVM_READOBJ_ENUM_ENT(ELF, EM_88K          ),
-  LLVM_READOBJ_ENUM_ENT(ELF, EM_486          ),
+  LLVM_READOBJ_ENUM_ENT(ELF, EM_IAMCU        ),
   LLVM_READOBJ_ENUM_ENT(ELF, EM_860          ),
   LLVM_READOBJ_ENUM_ENT(ELF, EM_MIPS         ),
   LLVM_READOBJ_ENUM_ENT(ELF, EM_S370         ),
@@ -1424,3 +1425,30 @@ template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
   W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
   W.printHex("Flags 2", Flags->flags2);
 }
+
+template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
+  const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
+  if (!Shdr) {
+    W.startLine() << "There is no .reginfo section in the file.\n";
+    return;
+  }
+  ErrorOr<ArrayRef<uint8_t>> Sec = Obj->getSectionContents(Shdr);
+  if (!Sec) {
+    W.startLine() << "The .reginfo section is empty.\n";
+    return;
+  }
+  if (Sec->size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
+    W.startLine() << "The .reginfo section has a wrong size.\n";
+    return;
+  }
+
+  auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec->data());
+
+  DictScope GS(W, "MIPS RegInfo");
+  W.printHex("GP", Reginfo->ri_gp_value);
+  W.printHex("General Mask", Reginfo->ri_gprmask);
+  W.printHex("Co-Proc Mask0", Reginfo->ri_cprmask[0]);
+  W.printHex("Co-Proc Mask1", Reginfo->ri_cprmask[1]);
+  W.printHex("Co-Proc Mask2", Reginfo->ri_cprmask[2]);
+  W.printHex("Co-Proc Mask3", Reginfo->ri_cprmask[3]);
+}