change AsmPrinter to switch sections using AsmStreamer instead of

doing it directly.  This requires const'izing a bunch of stuff that
took sections, but this seems like the right semantic thing to do:
emitting a label to a section shouldn't mutate the MCSection object
itself, for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79227 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 5 insertions, 5 deletions

diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index b8399d0..48096c7 100644
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -81,7 +81,7 @@ namespace llvm {
     /// @param Section.
     ///
     /// This corresponds to assembler directives like .section, .text, etc.
-    virtual void SwitchSection(MCSection *Section) = 0;
+    virtual void SwitchSection(const MCSection *Section) = 0;
 
     /// EmitLabel - Emit a label for @param Symbol into the current section.
     ///
diff --git a/include/llvm/MC/MCSymbol.h b/include/llvm/MC/MCSymbol.h
index e857eba..a5176bc 100644
--- a/include/llvm/MC/MCSymbol.h
+++ b/include/llvm/MC/MCSymbol.h
@@ -34,7 +34,7 @@ namespace llvm {
     std::string Name;
     /// Section - The section the symbol is defined in, or null if the symbol
     /// has not been defined in the associated translation unit.
-    MCSection *Section;
+    const MCSection *Section;
     
     /// IsTemporary - True if this is an assembler temporary label, which
     /// typically does not survive in the .o file's symbol table.  Usually
@@ -55,8 +55,8 @@ namespace llvm {
     void operator=(const MCSymbol&); // DO NOT IMPLEMENT
   public:
     
-    MCSection *getSection() const { return Section; }
-    void setSection(MCSection *Value) { Section = Value; }
+    const MCSection *getSection() const { return Section; }
+    void setSection(const MCSection *S) { Section = S; }
 
     bool isExternal() const { return IsExternal; }
     void setExternal(bool Value) { IsExternal = Value; }
diff --git a/include/llvm/MC/MCValue.h b/include/llvm/MC/MCValue.h
index ee5ba84..ec323fe 100644
--- a/include/llvm/MC/MCValue.h
+++ b/include/llvm/MC/MCValue.h
@@ -49,7 +49,7 @@ public:
   ///
   /// @result - The value's associated section, or null for external or constant
   /// values.
-  MCSection *getAssociatedSection() const {
+  const MCSection *getAssociatedSection() const {
     return SymA ? SymA->getSection() : 0;
   }