Change some methods in MCDwarf.cpp to be able to handle an arbitrary
MCStreamer instead of just MCObjectStreamer. Address changes cannot
be as efficient as we have to use DW_LNE_set_addres, but at least
most of the logic is shared.
This will be used so that, with CodeGen still using EmitDwarfLocDirective,
llvm-gcc is able to produce debug_line sections without needing an
assembler that supports .loc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119777 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 0abbe72..5954f62 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -20,6 +20,7 @@
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/GCStrategy.h"
#include "llvm/CodeGen/Passes.h"
+#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCStreamer.h"
@@ -144,11 +145,28 @@
if (ShowMCEncoding)
MCE = getTarget().createCodeEmitter(*this, *Context);
- AsmStreamer.reset(getTarget().createAsmStreamer(*Context, Out,
- getTargetData()->isLittleEndian(),
- getVerboseAsm(),
- InstPrinter, MCE,
- ShowMCInst));
+ const TargetLoweringObjectFile &TLOF =
+ getTargetLowering()->getObjFileLowering();
+ int PointerSize = getTargetData()->getPointerSize();
+
+ MCStreamer *S;
+ if (hasMCUseLoc())
+ S = getTarget().createAsmStreamer(*Context, Out,
+ getTargetData()->isLittleEndian(),
+ getVerboseAsm(),
+ InstPrinter,
+ MCE,
+ ShowMCInst);
+ else
+ S = createAsmStreamerNoLoc(*Context, Out,
+ getTargetData()->isLittleEndian(),
+ getVerboseAsm(),
+ &TLOF,
+ PointerSize,
+ InstPrinter,
+ MCE,
+ ShowMCInst);
+ AsmStreamer.reset(S);
break;
}
case CGFT_ObjectFile: {