/// objects.
BumpPtrAllocator Allocator;
+ friend class MCSection;
public:
MCContext();
~MCContext();
- /// GetSection - Get or create a new section with the given @param Name.
- MCSection *GetSection(const StringRef &Name);
+ /// GetSection - Look up a section with the given @param Name, returning
+ /// null if it doesn't exist.
+ MCSection *GetSection(const StringRef &Name) const;
/// CreateSymbol - Create a new symbol with the specified @param Name.
///
class MCSection {
std::string Name;
private:
- friend class MCContext;
- MCSection(const StringRef &_Name) : Name(_Name) {}
-
MCSection(const MCSection&); // DO NOT IMPLEMENT
void operator=(const MCSection&); // DO NOT IMPLEMENT
+ MCSection(const StringRef &_Name, MCContext &Ctx);
public:
+ static MCSection *Create(const StringRef &_Name, MCContext &Ctx);
+
const std::string &getName() const { return Name; }
};
#include "llvm/MC/MCValue.h"
using namespace llvm;
-MCContext::MCContext()
-{
+MCContext::MCContext() {
}
MCContext::~MCContext() {
}
-MCSection *MCContext::GetSection(const StringRef &Name) {
- MCSection *&Entry = Sections[Name];
-
- if (!Entry)
- Entry = new (*this) MCSection(Name);
+MCSection *MCContext::GetSection(const StringRef &Name) const {
+ StringMap<MCSection*>::const_iterator I = Sections.find(Name);
+ return I != Sections.end() ? I->second : 0;
+}
+
- return Entry;
+MCSection::MCSection(const StringRef &_Name, MCContext &Ctx) : Name(_Name) {
+ MCSection *&Entry = Ctx.Sections[Name];
+ assert(Entry == 0 && "Multiple sections with the same name created");
+ Entry = this;
}
+MCSection *MCSection::Create(const StringRef &Name, MCContext &Ctx) {
+ return new (Ctx) MCSection(Name, Ctx);
+}
+
+
MCSymbol *MCContext::CreateSymbol(const StringRef &Name) {
assert(Name[0] != '\0' && "Normal symbols cannot be unnamed!");