//===----------------------------------------------------------------------===//
#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() {
}
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 char *Name) {
- MCSection *&Entry = Sections[Name];
-
- if (!Entry)
- Entry = new (*this) MCSection(Name);
-
- return Entry;
-}
-
-MCSymbol *MCContext::CreateSymbol(const char *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 char *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 char *Name) {
+MCSymbol *MCContext::CreateTemporarySymbol(StringRef Name) {
// If unnamed, just create a symbol.
- if (Name[0] == '\0')
+ if (Name.empty())
new (*this) MCSymbol("", true);
// Otherwise create as usual.
return Entry = new (*this) MCSymbol(Name, true);
}
-MCSymbol *MCContext::LookupSymbol(const char *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;
-}