X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FMC%2FMCSectionMachO.cpp;h=e771556262a8d1d2ad66bcb67526b43e78760edb;hb=6053cd956fa6c781a4ee05cbc99ab15db3cf3d13;hp=0b74636d422203a6a45fc1348afcc582d7fa894c;hpb=fe40f9551cab75c4576ee03e6a994fe4fb4530d9;p=oota-llvm.git

diff --git a/lib/MC/MCSectionMachO.cpp b/lib/MC/MCSectionMachO.cpp
index 0b74636d422..e771556262a 100644
--- a/lib/MC/MCSectionMachO.cpp
+++ b/lib/MC/MCSectionMachO.cpp
@@ -10,6 +10,7 @@
 #include "llvm/MC/MCSectionMachO.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/Support/raw_ostream.h"
+#include <cctype>
 using namespace llvm;
 
 /// SectionTypeDescriptors - These are strings that describe the various section
@@ -100,16 +101,18 @@ void MCSectionMachO::PrintSwitchToSection(const MCAsmInfo &MAI,
     return;
   }
 
-  OS << ',';
-
   unsigned SectionType = TAA & MCSectionMachO::SECTION_TYPE;
   assert(SectionType <= MCSectionMachO::LAST_KNOWN_SECTION_TYPE &&
          "Invalid SectionType specified!");
 
-  if (SectionTypeDescriptors[SectionType].AssemblerName)
+  if (SectionTypeDescriptors[SectionType].AssemblerName) {
+    OS << ',';
     OS << SectionTypeDescriptors[SectionType].AssemblerName;
-  else
-    OS << "<<" << SectionTypeDescriptors[SectionType].EnumName << ">>";
+  } else {
+    // If we have no name for the attribute, stop here.
+    OS << '\n';
+    return;
+  }
 
   // If we don't have any attributes, we're done.
   unsigned SectionAttrs = TAA & MCSectionMachO::SECTION_ATTRIBUTES;
@@ -124,7 +127,9 @@ void MCSectionMachO::PrintSwitchToSection(const MCAsmInfo &MAI,
 
   // Check each attribute to see if we have it.
   char Separator = ',';
-  for (unsigned i = 0; SectionAttrDescriptors[i].AttrFlag; ++i) {
+  for (unsigned i = 0;
+       SectionAttrs != 0 && SectionAttrDescriptors[i].AttrFlag;
+       ++i) {
     // Check to see if we have this attribute.
     if ((SectionAttrDescriptors[i].AttrFlag & SectionAttrs) == 0)
       continue;
@@ -152,6 +157,12 @@ bool MCSectionMachO::UseCodeAlign() const {
   return hasAttribute(MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS);
 }
 
+bool MCSectionMachO::isVirtualSection() const {
+  return (getType() == MCSectionMachO::S_ZEROFILL ||
+          getType() == MCSectionMachO::S_GB_ZEROFILL ||
+          getType() == MCSectionMachO::S_THREAD_LOCAL_ZEROFILL);
+}
+
 /// StripSpaces - This removes leading and trailing spaces from the StringRef.
 static void StripSpaces(StringRef &Str) {
   while (!Str.empty() && isspace(Str[0]))
@@ -169,7 +180,9 @@ std::string MCSectionMachO::ParseSectionSpecifier(StringRef Spec,        // In.
                                                   StringRef &Segment,    // Out.
                                                   StringRef &Section,    // Out.
                                                   unsigned  &TAA,        // Out.
+                                                  bool      &TAAParsed,  // Out.
                                                   unsigned  &StubSize) { // Out.
+  TAAParsed = false;
   // Find the first comma.
   std::pair<StringRef, StringRef> Comma = Spec.split(',');
 
@@ -225,6 +238,7 @@ std::string MCSectionMachO::ParseSectionSpecifier(StringRef Spec,        // In.
 
   // Remember the TypeID.
   TAA = TypeID;
+  TAAParsed = true;
 
   // If we have no comma after the section type, there are no attributes.
   if (Comma.second.empty()) {