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-rw-r--r--lib/MC/MCContext.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/lib/MC/MCContext.cpp b/lib/MC/MCContext.cpp
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--- /dev/null
+++ b/lib/MC/MCContext.cpp
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+//===- lib/MC/MCContext.cpp - Machine Code Context ------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCContext.h"
+
+#include "llvm/MC/MCSection.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MCValue.h"
+using namespace llvm;
+
+MCContext::MCContext()
+{
+}
+
+MCContext::~MCContext() {
+}
+
+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) {
+ assert(Name[0] != '\0' && "Normal symbols cannot be unnamed!");
+
+ // Create and bind the symbol, and ensure that names are unique.
+ MCSymbol *&Entry = Symbols[Name];
+ assert(!Entry && "Duplicate symbol definition!");
+ return Entry = new (*this) MCSymbol(Name, false);
+}
+
+MCSymbol *MCContext::GetOrCreateSymbol(const char *Name) {
+ MCSymbol *&Entry = Symbols[Name];
+ if (Entry) return Entry;
+
+ return Entry = new (*this) MCSymbol(Name, false);
+}
+
+
+MCSymbol *MCContext::CreateTemporarySymbol(const char *Name) {
+ // If unnamed, just create a symbol.
+ if (Name[0] == '\0')
+ new (*this) MCSymbol("", true);
+
+ // Otherwise create as usual.
+ MCSymbol *&Entry = Symbols[Name];
+ assert(!Entry && "Duplicate symbol definition!");
+ return Entry = new (*this) MCSymbol(Name, true);
+}
+
+MCSymbol *MCContext::LookupSymbol(const char *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;
+}
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