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Diffstat (limited to 'lib/MC/MCObjectStreamer.cpp')
-rw-r--r--lib/MC/MCObjectStreamer.cpp52
1 files changed, 38 insertions, 14 deletions
diff --git a/lib/MC/MCObjectStreamer.cpp b/lib/MC/MCObjectStreamer.cpp
index a04ae0812a3e..bad7cfe38a17 100644
--- a/lib/MC/MCObjectStreamer.cpp
+++ b/lib/MC/MCObjectStreamer.cpp
@@ -7,17 +7,17 @@
//
//===----------------------------------------------------------------------===//
-#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCObjectStreamer.h"
-
-#include "llvm/Support/ErrorHandling.h"
+#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
MCObjectStreamer::MCObjectStreamer(MCContext &Context, MCAsmBackend &TAB,
@@ -105,6 +105,14 @@ void MCObjectStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size,
DF->getContents().resize(DF->getContents().size() + Size, 0);
}
+void MCObjectStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) {
+ RecordProcStart(Frame);
+}
+
+void MCObjectStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) {
+ RecordProcEnd(Frame);
+}
+
void MCObjectStreamer::EmitLabel(MCSymbol *Symbol) {
MCStreamer::EmitLabel(Symbol);
@@ -164,7 +172,7 @@ void MCObjectStreamer::EmitInstruction(const MCInst &Inst) {
MCLineEntry::Make(this, getCurrentSection());
// If this instruction doesn't need relaxation, just emit it as data.
- if (!getAssembler().getBackend().MayNeedRelaxation(Inst)) {
+ if (!getAssembler().getBackend().mayNeedRelaxation(Inst)) {
EmitInstToData(Inst);
return;
}
@@ -173,9 +181,9 @@ void MCObjectStreamer::EmitInstruction(const MCInst &Inst) {
// possible and emit it as data.
if (getAssembler().getRelaxAll()) {
MCInst Relaxed;
- getAssembler().getBackend().RelaxInstruction(Inst, Relaxed);
- while (getAssembler().getBackend().MayNeedRelaxation(Relaxed))
- getAssembler().getBackend().RelaxInstruction(Relaxed, Relaxed);
+ getAssembler().getBackend().relaxInstruction(Inst, Relaxed);
+ while (getAssembler().getBackend().mayNeedRelaxation(Relaxed))
+ getAssembler().getBackend().relaxInstruction(Relaxed, Relaxed);
EmitInstToData(Relaxed);
return;
}
@@ -224,12 +232,12 @@ void MCObjectStreamer::EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
new MCDwarfCallFrameFragment(*AddrDelta, getCurrentSectionData());
}
-void MCObjectStreamer::EmitValueToOffset(const MCExpr *Offset,
- unsigned char Value) {
+bool MCObjectStreamer::EmitValueToOffset(const MCExpr *Offset,
+ unsigned char Value) {
int64_t Res;
if (Offset->EvaluateAsAbsolute(Res, getAssembler())) {
new MCOrgFragment(*Offset, Value, getCurrentSectionData());
- return;
+ return false;
}
MCSymbol *CurrentPos = getContext().CreateTempSymbol();
@@ -241,14 +249,30 @@ void MCObjectStreamer::EmitValueToOffset(const MCExpr *Offset,
MCBinaryExpr::Create(MCBinaryExpr::Sub, Offset, Ref, getContext());
if (!Delta->EvaluateAsAbsolute(Res, getAssembler()))
- report_fatal_error("expected assembly-time absolute expression");
+ return true;
EmitFill(Res, Value, 0);
+ return false;
}
-void MCObjectStreamer::Finish() {
+// Associate GPRel32 fixup with data and resize data area
+void MCObjectStreamer::EmitGPRel32Value(const MCExpr *Value) {
+ MCDataFragment *DF = getOrCreateDataFragment();
+
+ DF->addFixup(MCFixup::Create(DF->getContents().size(),
+ Value,
+ FK_GPRel_4));
+ DF->getContents().resize(DF->getContents().size() + 4, 0);
+}
+
+void MCObjectStreamer::FinishImpl() {
// Dump out the dwarf file & directory tables and line tables.
+ const MCSymbol *LineSectionSymbol = NULL;
if (getContext().hasDwarfFiles())
- MCDwarfFileTable::Emit(this);
+ LineSectionSymbol = MCDwarfFileTable::Emit(this);
+
+ // If we are generating dwarf for assembly source files dump out the sections.
+ if (getContext().getGenDwarfForAssembly())
+ MCGenDwarfInfo::Emit(this, LineSectionSymbol);
getAssembler().Finish();
}