Hook up -filetype=obj through the MachO streamer. Here's a demo:

$ cat t.ll 
@g = global i32 42
$ llc t.ll -o t.o -filetype=obj
$ nm t.o
00000000 D _g

There is still a ton of work left.  Instructions are not being encoded
yet apparently.

llvm-svn: 95162
This commit is contained in:
Chris Lattner 2010-02-02 23:57:42 +00:00
parent d0a2f52f8f
commit 8856a67e41
3 changed files with 15 additions and 7 deletions

View File

@ -282,7 +282,7 @@ namespace llvm {
/// createMachOStream - Create a machine code streamer which will generative
/// Mach-O format object files.
MCStreamer *createMachOStreamer(MCContext &Ctx, raw_ostream &OS,
MCCodeEmitter *CE = 0);
MCCodeEmitter *CE);
/// createELFStreamer - Create a machine code streamer which will generative
/// ELF format object files.

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@ -124,23 +124,30 @@ LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
OwningPtr<MCStreamer> AsmStreamer;
switch (FileType) {
default:
case CGFT_ObjectFile:
return CGFT_ErrorOccurred;
case CGFT_AssemblyFile: {
default: return CGFT_ErrorOccurred;
case CGFT_AssemblyFile:
AsmStreamer.reset(createAsmStreamer(*Context, Out, *getMCAsmInfo(),
getTargetData()->isLittleEndian(),
getVerboseAsm(), /*instprinter*/0,
/*codeemitter*/0));
break;
case CGFT_ObjectFile: {
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
MCCodeEmitter *MCE = getTarget().createCodeEmitter(*this);
if (MCE == 0)
return CGFT_ErrorOccurred;
AsmStreamer.reset(createMachOStreamer(*Context, Out, MCE));
break;
}
}
// Create the AsmPrinter, which takes ownership of Context and AsmStreamer
// if successful.
FunctionPass *Printer =
getTarget().createAsmPrinter(Out, *this, *Context, *AsmStreamer,
getMCAsmInfo());
getTarget().createAsmPrinter(Out, *this, *Context, *AsmStreamer,
getMCAsmInfo());
if (Printer == 0)
return CGFT_ErrorOccurred;

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@ -360,6 +360,7 @@ int main(int argc, char **argv) {
sys::Path(OutputFilename).eraseFromDisk();
return 1;
case TargetMachine::CGFT_AssemblyFile:
case TargetMachine::CGFT_ObjectFile:
break;
}