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add trivial support for passing label definitions through the MCStreamer.

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This is suboptimal in several aspects, see the commented out assertion.
I need to talk to Daniel about this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74057 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-06-24 04:31:49 +00:00
parent 98d5982e00
commit c69485e34d
6 changed files with 34 additions and 5 deletions
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4
lib/MC/MCAsmStreamer.cpp
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@@ -84,8 +84,8 @@ void MCAsmStreamer::SwitchSection(MCSection *Section) {
void MCAsmStreamer::EmitLabel(MCSymbol *Symbol) {
// FIXME: We need to enforce that we aren't printing atoms which are more
// complicated than the assembler understands.
assert(Symbol->getAtom()->getSection() == CurSection &&
"The label for a symbol must match its section!");
//assert(Symbol->getAtom()->getSection() == CurSection &&
// "The label for a symbol must match its section!");
OS << Symbol->getName() << ":\n";
}

14
lib/MC/MCContext.cpp
View File

@@ -44,6 +44,20 @@ MCSymbol *MCContext::CreateSymbol(MCAtom *Atom, const char *Name) {
return Entry = new (*this) MCSymbol(Atom, Name, false);
}
/// GetOrCreateSymbol - Lookup the symbol inside with the specified
/// @param Name. If it exists, return it. If not, create a forward
/// reference and return it.
///
/// @param Name - The symbol name, which must be unique across all symbols.
MCSymbol *MCContext::GetOrCreateSymbol(const char *Name) {
MCSymbol *&Entry = Symbols[Name];
if (Entry) return Entry;
// FIXME: is a null atom the right way to make a forward ref?
return Entry = new (*this) MCSymbol(0, Name, false);
}
MCSymbol *MCContext::CreateTemporarySymbol(MCAtom *Atom, const char *Name) {
// If unnamed, just create a symbol.
if (Name[0] == '\0')