Revert 165057, per Jim's request. This requires further discussion.

[oota-llvm.git] / include / llvm / MC / MCSectionMachO.h

diff --git a/include/llvm/MC/MCSectionMachO.h b/include/llvm/MC/MCSectionMachO.h
index c149926a19278738313cb8b578c79339cdad9c60..15eb4f4a76859db34109575a46318fbd7a42bcde 100644 (file)
--- a/include/llvm/MC/MCSectionMachO.h
+++ b/include/llvm/MC/MCSectionMachO.h
@@ -15,38 +15,39 @@
 #define LLVM_MC_MCSECTIONMACHO_H
 
 #include "llvm/MC/MCSection.h"
+#include "llvm/ADT/StringRef.h"
 
 namespace llvm {
-  
+
 /// MCSectionMachO - This represents a section on a Mach-O system (used by
 /// Mac OS X).  On a Mac system, these are also described in
 /// /usr/include/mach-o/loader.h.
 class MCSectionMachO : public MCSection {
   char SegmentName[16];  // Not necessarily null terminated!
   char SectionName[16];  // Not necessarily null terminated!
-  
+
   /// TypeAndAttributes - This is the SECTION_TYPE and SECTION_ATTRIBUTES
   /// field of a section, drawn from the enums below.
   unsigned TypeAndAttributes;
-  
+
   /// Reserved2 - The 'reserved2' field of a section, used to represent the
   /// size of stubs, for example.
   unsigned Reserved2;
-  
+
   MCSectionMachO(StringRef Segment, StringRef Section,
-                 unsigned TAA, unsigned reserved2, SectionKind K);  
+                 unsigned TAA, unsigned reserved2, SectionKind K);
   friend class MCContext;
 public:
-  
+
   /// These are the section type and attributes fields.  A MachO section can
   /// have only one Type, but can have any of the attributes specified.
   enum {
     // TypeAndAttributes bitmasks.
     SECTION_TYPE       = 0x000000FFU,
     SECTION_ATTRIBUTES = 0xFFFFFF00U,
-    
+
     // Valid section types.
-    
+
     /// S_REGULAR - Regular section.
     S_REGULAR                    = 0x00U,
     /// S_ZEROFILL - Zero fill on demand section.
@@ -66,10 +67,10 @@ public:
     /// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in
     /// the Reserved2 field.
     S_SYMBOL_STUBS               = 0x08U,
-    /// S_SYMBOL_STUBS - Section with only function pointers for
+    /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for
     /// initialization.
     S_MOD_INIT_FUNC_POINTERS     = 0x09U,
-    /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for
+    /// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for
     /// termination.
     S_MOD_TERM_FUNC_POINTERS     = 0x0AU,
     /// S_COALESCED - Section contains symbols that are to be coalesced.
@@ -98,13 +99,13 @@ public:
     S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14U,
     /// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local
     /// variable initialization pointers to functions.
-    S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15,
+    S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15U,
 
     LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS,
-    
+
 
     // Valid section attributes.
-    
+
     /// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine
     /// instructions.
     S_ATTR_PURE_INSTRUCTIONS   = 1U << 31,
@@ -157,14 +158,18 @@ public:
   /// flavored .s file.  If successful, this fills in the specified Out
   /// parameters and returns an empty string.  When an invalid section
   /// specifier is present, this returns a string indicating the problem.
+  /// If no TAA was parsed, TAA is not altered, and TAAWasSet becomes false.
   static std::string ParseSectionSpecifier(StringRef Spec,       // In.
                                            StringRef &Segment,   // Out.
                                            StringRef &Section,   // Out.
                                            unsigned  &TAA,       // Out.
+                                           bool      &TAAParsed, // Out.
                                            unsigned  &StubSize); // Out.
 
   virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
                                     raw_ostream &OS) const;
+  virtual bool UseCodeAlign() const;
+  virtual bool isVirtualSection() const;
 
   static bool classof(const MCSection *S) {
     return S->getVariant() == SV_MachO;