[llvm-commits] [llvm] r170087 - in /llvm/trunk: include/llvm/MC/MCSection.h include/llvm/MC/MCSectionCOFF.h include/llvm/MC/MCSectionELF.h include/llvm/MC/MCSectionMachO.h lib/Target/NVPTX/NVPTXSection.h

[Eric Christopher]

Author: echristo
Date: Wed Dec 12 21:00:35 2012
New Revision: 170087

URL: http://llvm.org/viewvc/llvm-project?rev=170087&view=rev
Log:
Add a way of printing out an arbitrary label name for a section
given the section.

Modified:
    llvm/trunk/include/llvm/MC/MCSection.h
    llvm/trunk/include/llvm/MC/MCSectionCOFF.h
    llvm/trunk/include/llvm/MC/MCSectionELF.h
    llvm/trunk/include/llvm/MC/MCSectionMachO.h
    llvm/trunk/lib/Target/NVPTX/NVPTXSection.h

Modified: llvm/trunk/include/llvm/MC/MCSection.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCSection.h?rev=170087&r1=170086&r2=170087&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCSection.h (original)
+++ llvm/trunk/include/llvm/MC/MCSection.h Wed Dec 12 21:00:35 2012
@@ -14,6 +14,7 @@
 #ifndef LLVM_MC_MCSECTION_H
 #define LLVM_MC_MCSECTION_H
 
+#include "llvm/ADT/StringRef.h"
 #include "llvm/MC/SectionKind.h"
 #include "llvm/Support/Compiler.h"
 
@@ -49,6 +50,11 @@
     virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
                                       raw_ostream &OS) const = 0;
 
+    // Convenience routines to get label names for the beginning/end of a
+    // section.
+    virtual std::string getLabelBeginName() const = 0;
+    virtual std::string getLabelEndName() const = 0;
+
     /// isBaseAddressKnownZero - Return true if we know that this section will
     /// get a base address of zero.  In cases where we know that this is true we
     /// can emit section offsets as direct references to avoid a subtraction

Modified: llvm/trunk/include/llvm/MC/MCSectionCOFF.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCSectionCOFF.h?rev=170087&r1=170086&r2=170087&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCSectionCOFF.h (original)
+++ llvm/trunk/include/llvm/MC/MCSectionCOFF.h Wed Dec 12 21:00:35 2012
@@ -50,6 +50,12 @@
     bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
 
     StringRef getSectionName() const { return SectionName; }
+    virtual std::string getLabelBeginName() const {
+      return SectionName.str() + "_begin";
+    }
+    virtual std::string getLabelEndName() const {
+      return SectionName.str() + "_end";
+    }
     unsigned getCharacteristics() const { return Characteristics; }
     int getSelection () const { return Selection; }
 

Modified: llvm/trunk/include/llvm/MC/MCSectionELF.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCSectionELF.h?rev=170087&r1=170086&r2=170087&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCSectionELF.h (original)
+++ llvm/trunk/include/llvm/MC/MCSectionELF.h Wed Dec 12 21:00:35 2012
@@ -17,6 +17,8 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/MC/MCSection.h"
 #include "llvm/Support/ELF.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Debug.h"
 
 namespace llvm {
 
@@ -57,6 +59,13 @@
   bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
 
   StringRef getSectionName() const { return SectionName; }
+  virtual std::string getLabelBeginName() const {
+    dbgs() << SectionName.data();
+    dbgs() << "_begin" << "\n";
+    return SectionName.str() + "_begin"; }
+  virtual std::string getLabelEndName() const {
+    return SectionName.str() + "_end";
+  }
   unsigned getType() const { return Type; }
   unsigned getFlags() const { return Flags; }
   unsigned getEntrySize() const { return EntrySize; }

Modified: llvm/trunk/include/llvm/MC/MCSectionMachO.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCSectionMachO.h?rev=170087&r1=170086&r2=170087&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCSectionMachO.h (original)
+++ llvm/trunk/include/llvm/MC/MCSectionMachO.h Wed Dec 12 21:00:35 2012
@@ -145,6 +145,14 @@
     return StringRef(SectionName);
   }
 
+  virtual std::string getLabelBeginName() const {
+    return StringRef(getSegmentName().str() + getSectionName().str() + "_begin");
+  }
+
+  virtual std::string getLabelEndName() const {
+    return StringRef(getSegmentName().str() + getSectionName().str() + "_end");
+  }
+
   unsigned getTypeAndAttributes() const { return TypeAndAttributes; }
   unsigned getStubSize() const { return Reserved2; }
 

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXSection.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXSection.h?rev=170087&r1=170086&r2=170087&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXSection.h (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXSection.h Wed Dec 12 21:00:35 2012
@@ -38,6 +38,8 @@
   virtual bool isBaseAddressKnownZero() const { return true; }
   virtual bool UseCodeAlign() const { return false; }
   virtual bool isVirtualSection() const { return false; }
+  virtual std::string getLabelBeginName() const { return ""; }
+  virtual std::string getLabelEndName() const { return ""; }
 };
 
 } // end namespace llvm