From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 26 Jul 2020 19:36:28 +0000
Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit
 before the llvmorg-12-init tag, from which release/11.x was branched.

---
 llvm/lib/Object/ObjectFile.cpp | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

(limited to 'llvm/lib/Object/ObjectFile.cpp')

diff --git a/llvm/lib/Object/ObjectFile.cpp b/llvm/lib/Object/ObjectFile.cpp
index 098b3d8f8dd0..61b36ea0f448 100644
--- a/llvm/lib/Object/ObjectFile.cpp
+++ b/llvm/lib/Object/ObjectFile.cpp
@@ -54,12 +54,15 @@ bool SectionRef::containsSymbol(SymbolRef S) const {
   return *this == **SymSec;
 }
 
-uint64_t ObjectFile::getSymbolValue(DataRefImpl Ref) const {
-  uint32_t Flags = getSymbolFlags(Ref);
-  if (Flags & SymbolRef::SF_Undefined)
-    return 0;
-  if (Flags & SymbolRef::SF_Common)
-    return getCommonSymbolSize(Ref);
+Expected<uint64_t> ObjectFile::getSymbolValue(DataRefImpl Ref) const {
+  if (Expected<uint32_t> FlagsOrErr = getSymbolFlags(Ref)) {
+    if (*FlagsOrErr & SymbolRef::SF_Undefined)
+      return 0;
+    if (*FlagsOrErr & SymbolRef::SF_Common)
+      return getCommonSymbolSize(Ref);
+  } else
+    // TODO: Test this error.
+    return FlagsOrErr.takeError();
   return getSymbolValueImpl(Ref);
 }
 
@@ -91,6 +94,10 @@ bool ObjectFile::isBerkeleyData(DataRefImpl Sec) const {
   return isSectionData(Sec);
 }
 
+bool ObjectFile::isDebugSection(StringRef SectionName) const {
+  return false;
+}
+
 Expected<section_iterator>
 ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
   return section_iterator(SectionRef(Sec, this));
@@ -108,14 +115,17 @@ Triple ObjectFile::makeTriple() const {
     setARMSubArch(TheTriple);
 
   // TheTriple defaults to ELF, and COFF doesn't have an environment:
-  // the best we can do here is indicate that it is mach-o.
-  if (isMachO())
+  // something we can do here is indicate that it is mach-o.
+  if (isMachO()) {
     TheTriple.setObjectFormat(Triple::MachO);
-
-  if (isCOFF()) {
+  } else if (isCOFF()) {
     const auto COFFObj = cast<COFFObjectFile>(this);
     if (COFFObj->getArch() == Triple::thumb)
       TheTriple.setTriple("thumbv7-windows");
+  } else if (isXCOFF()) {
+    // XCOFF implies AIX.
+    TheTriple.setOS(Triple::AIX);
+    TheTriple.setObjectFormat(Triple::XCOFF);
   }
 
   return TheTriple;
-- 
cgit v1.2.3