From 1d5ae1026e831016fc29fd927877c86af904481f Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 23 Oct 2019 17:51:42 +0000
Subject: Vendor import of stripped llvm trunk r375505, the last commit before
 the upstream Subversion repository was made read-only, and the LLVM project
 migrated to GitHub:

https://llvm.org/svn/llvm-project/llvm/trunk@375505
---
 lib/Object/ELFObjectFile.cpp | 38 +++++++++++++++++++++++++++++++++-----
 1 file changed, 33 insertions(+), 5 deletions(-)

(limited to 'lib/Object/ELFObjectFile.cpp')

diff --git a/lib/Object/ELFObjectFile.cpp b/lib/Object/ELFObjectFile.cpp
index c7b715793048c..bf6ffd6c37b95 100644
--- a/lib/Object/ELFObjectFile.cpp
+++ b/lib/Object/ELFObjectFile.cpp
@@ -43,7 +43,16 @@ const EnumEntry<unsigned> llvm::object::ElfSymbolTypes[NumElfSymbolTypes] = {
     {"File", "FILE", ELF::STT_FILE},
     {"Common", "COMMON", ELF::STT_COMMON},
     {"TLS", "TLS", ELF::STT_TLS},
-    {"GNU_IFunc", "IFUNC", ELF::STT_GNU_IFUNC}};
+    {"Unknown", "<unknown>: 7", 7},
+    {"Unknown", "<unknown>: 8", 8},
+    {"Unknown", "<unknown>: 9", 9},
+    {"GNU_IFunc", "IFUNC", ELF::STT_GNU_IFUNC},
+    {"OS Specific", "<OS specific>: 11", 11},
+    {"OS Specific", "<OS specific>: 12", 12},
+    {"Proc Specific", "<processor specific>: 13", 13},
+    {"Proc Specific", "<processor specific>: 14", 14},
+    {"Proc Specific", "<processor specific>: 15", 15}
+};
 
 ELFObjectFileBase::ELFObjectFileBase(unsigned int Type, MemoryBufferRef Source)
     : ObjectFile(Type, Source) {}
@@ -54,7 +63,7 @@ createPtr(MemoryBufferRef Object) {
   auto Ret = ELFObjectFile<ELFT>::create(Object);
   if (Error E = Ret.takeError())
     return std::move(E);
-  return make_unique<ELFObjectFile<ELFT>>(std::move(*Ret));
+  return std::make_unique<ELFObjectFile<ELFT>>(std::move(*Ret));
 }
 
 Expected<std::unique_ptr<ObjectFile>>
@@ -194,7 +203,7 @@ SubtargetFeatures ELFObjectFileBase::getARMFeatures() const {
     default:
       break;
     case ARMBuildAttrs::Not_Allowed:
-      Features.AddFeature("vfp2d16sp", false);
+      Features.AddFeature("vfp2sp", false);
       Features.AddFeature("vfp3d16sp", false);
       Features.AddFeature("vfp4d16sp", false);
       break;
@@ -347,6 +356,21 @@ void ELFObjectFileBase::setARMSubArch(Triple &TheTriple) const {
     case ARMBuildAttrs::v7E_M:
       Triple += "v7em";
       break;
+    case ARMBuildAttrs::v8_A:
+      Triple += "v8a";
+      break;
+    case ARMBuildAttrs::v8_R:
+      Triple += "v8r";
+      break;
+    case ARMBuildAttrs::v8_M_Base:
+      Triple += "v8m.base";
+      break;
+    case ARMBuildAttrs::v8_M_Main:
+      Triple += "v8m.main";
+      break;
+    case ARMBuildAttrs::v8_1_M_Main:
+      Triple += "v8.1m.main";
+      break;
     }
   }
   if (!isLittleEndian())
@@ -383,9 +407,13 @@ ELFObjectFileBase::getPltAddresses() const {
     return {};
   Optional<SectionRef> Plt = None, RelaPlt = None, GotPlt = None;
   for (const SectionRef &Section : sections()) {
-    StringRef Name;
-    if (Section.getName(Name))
+    Expected<StringRef> NameOrErr = Section.getName();
+    if (!NameOrErr) {
+      consumeError(NameOrErr.takeError());
       continue;
+    }
+    StringRef Name = *NameOrErr;
+
     if (Name == ".plt")
       Plt = Section;
     else if (Name == ".rela.plt" || Name == ".rel.plt")
-- 
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