change MCContext to work on the doInitialization/doFinalization model
reviewed by Evan Cheng <evan.cheng@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169456 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCContext.cpp b/lib/MC/MCContext.cpp
index dd9d956..cd95b11 100644
--- a/lib/MC/MCContext.cpp
+++ b/lib/MC/MCContext.cpp
@@ -44,23 +44,48 @@
SecureLogFile = getenv("AS_SECURE_LOG_FILE");
SecureLog = 0;
SecureLogUsed = false;
-
- DwarfLocSeen = false;
- GenDwarfForAssembly = false;
- GenDwarfFileNumber = 0;
}
MCContext::~MCContext() {
// NOTE: The symbols are all allocated out of a bump pointer allocator,
// we don't need to free them here.
+
+ // If the stream for the .secure_log_unique directive was created free it.
+ delete (raw_ostream*)SecureLog;
+}
+
+//===----------------------------------------------------------------------===//
+// Module Lifetime Management
+//===----------------------------------------------------------------------===//
+
+void MCContext::doInitialization() {
+ NextUniqueID = 0;
+ AllowTemporaryLabels = true;
+ DwarfLocSeen = false;
+ GenDwarfForAssembly = false;
+ GenDwarfFileNumber = 0;
+}
+
+void MCContext::doFinalization() {
+ UsedNames.clear();
+ Symbols.clear();
+ Allocator.Reset();
+ Instances.clear();
+ MCDwarfFiles.clear();
+ MCDwarfDirs.clear();
+ MCGenDwarfLabelEntries.clear();
+ DwarfDebugFlags = StringRef();
+ MCLineSections.clear();
+ MCLineSectionOrder.clear();
+ CurrentDwarfLoc = MCDwarfLoc(0,0,0,DWARF2_FLAG_IS_STMT,0,0);
// If we have the MachO uniquing map, free it.
delete (MachOUniqueMapTy*)MachOUniquingMap;
delete (ELFUniqueMapTy*)ELFUniquingMap;
delete (COFFUniqueMapTy*)COFFUniquingMap;
-
- // If the stream for the .secure_log_unique directive was created free it.
- delete (raw_ostream*)SecureLog;
+ MachOUniquingMap = 0;
+ ELFUniquingMap = 0;
+ COFFUniquingMap = 0;
}
//===----------------------------------------------------------------------===//