//===----------------------------------------------------------------------===//
#include "llvm/MC/MCContext.h"
-
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCValue.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
using namespace llvm;
MCContext::MCContext() {
}
MCContext::~MCContext() {
+ // NOTE: The sections are all allocated out of a bump pointer allocator,
+ // we don't need to free them here.
}
-MCSection *MCContext::GetSection(const StringRef &Name) const {
- StringMap<MCSection*>::const_iterator I = Sections.find(Name);
- return I != Sections.end() ? I->second : 0;
-}
-
-
-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) {
+MCSymbol *MCContext::CreateSymbol(StringRef Name) {
assert(Name[0] != '\0' && "Normal symbols cannot be unnamed!");
// Create and bind the symbol, and ensure that names are unique.
return Entry = new (*this) MCSymbol(Name, false);
}
-MCSymbol *MCContext::GetOrCreateSymbol(const StringRef &Name) {
+MCSymbol *MCContext::GetOrCreateSymbol(StringRef Name) {
MCSymbol *&Entry = Symbols[Name];
if (Entry) return Entry;
return Entry = new (*this) MCSymbol(Name, false);
}
+MCSymbol *MCContext::GetOrCreateSymbol(const Twine &Name) {
+ SmallString<128> NameSV;
+ Name.toVector(NameSV);
+ return GetOrCreateSymbol(NameSV.str());
+}
-MCSymbol *MCContext::CreateTemporarySymbol(const StringRef &Name) {
+
+MCSymbol *MCContext::CreateTemporarySymbol(StringRef Name) {
// If unnamed, just create a symbol.
if (Name.empty())
new (*this) MCSymbol("", true);
return Entry = new (*this) MCSymbol(Name, true);
}
-MCSymbol *MCContext::LookupSymbol(const StringRef &Name) const {
+MCSymbol *MCContext::LookupSymbol(StringRef Name) const {
return Symbols.lookup(Name);
}
-
-void MCContext::ClearSymbolValue(MCSymbol *Sym) {
- SymbolValues.erase(Sym);
-}
-
-void MCContext::SetSymbolValue(MCSymbol *Sym, const MCValue &Value) {
- SymbolValues[Sym] = Value;
-}
-
-const MCValue *MCContext::GetSymbolValue(MCSymbol *Sym) const {
- DenseMap<MCSymbol*, MCValue>::iterator it = SymbolValues.find(Sym);
-
- if (it == SymbolValues.end())
- return 0;
-
- return &it->second;
-}