[llvm-commits] [llvm] r130585 - in /llvm/trunk: include/llvm/MC/MCStreamer.h lib/MC/MCAsmStreamer.cpp lib/MC/MCObjectStreamer.cpp lib/MC/MCStreamer.cpp
Rafael Espindola
rafael.espindola at gmail.com
Fri Apr 29 20:21:04 PDT 2011
Author: rafael
Date: Fri Apr 29 22:21:04 2011
New Revision: 130585
URL: http://llvm.org/viewvc/llvm-project?rev=130585&view=rev
Log:
Implement MCAsmStreamer::EmitDwarfAdvanceFrameAddr.
Modified:
llvm/trunk/include/llvm/MC/MCStreamer.h
llvm/trunk/lib/MC/MCAsmStreamer.cpp
llvm/trunk/lib/MC/MCObjectStreamer.cpp
llvm/trunk/lib/MC/MCStreamer.cpp
Modified: llvm/trunk/include/llvm/MC/MCStreamer.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCStreamer.h?rev=130585&r1=130584&r2=130585&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCStreamer.h (original)
+++ llvm/trunk/include/llvm/MC/MCStreamer.h Fri Apr 29 22:21:04 2011
@@ -67,6 +67,12 @@
protected:
MCStreamer(MCContext &Ctx);
+ const MCExpr *BuildSymbolDiff(MCContext &Context, const MCSymbol *A,
+ const MCSymbol *B);
+
+ const MCExpr *ForceExpAbs(MCStreamer *Streamer, MCContext &Context,
+ const MCExpr* Expr);
+
public:
virtual ~MCStreamer();
Modified: llvm/trunk/lib/MC/MCAsmStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCAsmStreamer.cpp?rev=130585&r1=130584&r2=130585&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCAsmStreamer.cpp (original)
+++ llvm/trunk/lib/MC/MCAsmStreamer.cpp Fri Apr 29 22:21:04 2011
@@ -127,6 +127,8 @@
virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
const MCSymbol *LastLabel,
const MCSymbol *Label);
+ virtual void EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
+ const MCSymbol *Label);
virtual void EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute);
@@ -324,6 +326,15 @@
getContext().getTargetAsmInfo().getPointerSize());
}
+void MCAsmStreamer::EmitDwarfAdvanceFrameAddr(const MCSymbol *LastLabel,
+ const MCSymbol *Label) {
+ EmitIntValue(dwarf::DW_CFA_advance_loc4, 1);
+ const MCExpr *AddrDelta = BuildSymbolDiff(getContext(), Label, LastLabel);
+ AddrDelta = ForceExpAbs(this, getContext(), AddrDelta);
+ EmitValue(AddrDelta, 4);
+}
+
+
void MCAsmStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
MCSymbolAttr Attribute) {
switch (Attribute) {
Modified: llvm/trunk/lib/MC/MCObjectStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCObjectStreamer.cpp?rev=130585&r1=130584&r2=130585&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCObjectStreamer.cpp (original)
+++ llvm/trunk/lib/MC/MCObjectStreamer.cpp Fri Apr 29 22:21:04 2011
@@ -121,16 +121,6 @@
SD.setOffset(F->getContents().size());
}
-static const MCExpr *ForceExpAbs(MCObjectStreamer *Streamer,
- MCContext &Context, const MCExpr* Expr) {
- if (Context.getAsmInfo().hasAggressiveSymbolFolding())
- return Expr;
-
- MCSymbol *ABS = Context.CreateTempSymbol();
- Streamer->EmitAssignment(ABS, Expr);
- return MCSymbolRefExpr::Create(ABS, Context);
-}
-
void MCObjectStreamer::EmitULEB128Value(const MCExpr *Value) {
int64_t IntValue;
if (Value->EvaluateAsAbsolute(IntValue, getAssembler())) {
@@ -205,18 +195,6 @@
IF->getCode().append(Code.begin(), Code.end());
}
-static const MCExpr *BuildSymbolDiff(MCContext &Context,
- const MCSymbol *A, const MCSymbol *B) {
- MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
- const MCExpr *ARef =
- MCSymbolRefExpr::Create(A, Variant, Context);
- const MCExpr *BRef =
- MCSymbolRefExpr::Create(B, Variant, Context);
- const MCExpr *AddrDelta =
- MCBinaryExpr::Create(MCBinaryExpr::Sub, ARef, BRef, Context);
- return AddrDelta;
-}
-
void MCObjectStreamer::EmitDwarfAdvanceLineAddr(int64_t LineDelta,
const MCSymbol *LastLabel,
const MCSymbol *Label) {
Modified: llvm/trunk/lib/MC/MCStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCStreamer.cpp?rev=130585&r1=130584&r2=130585&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCStreamer.cpp (original)
+++ llvm/trunk/lib/MC/MCStreamer.cpp Fri Apr 29 22:21:04 2011
@@ -28,6 +28,29 @@
MCStreamer::~MCStreamer() {
}
+const MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context,
+ const MCSymbol *A,
+ const MCSymbol *B) {
+ MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
+ const MCExpr *ARef =
+ MCSymbolRefExpr::Create(A, Variant, Context);
+ const MCExpr *BRef =
+ MCSymbolRefExpr::Create(B, Variant, Context);
+ const MCExpr *AddrDelta =
+ MCBinaryExpr::Create(MCBinaryExpr::Sub, ARef, BRef, Context);
+ return AddrDelta;
+}
+
+const MCExpr *MCStreamer::ForceExpAbs(MCStreamer *Streamer,
+ MCContext &Context, const MCExpr* Expr) {
+ if (Context.getAsmInfo().hasAggressiveSymbolFolding())
+ return Expr;
+
+ MCSymbol *ABS = Context.CreateTempSymbol();
+ Streamer->EmitAssignment(ABS, Expr);
+ return MCSymbolRefExpr::Create(ABS, Context);
+}
+
raw_ostream &MCStreamer::GetCommentOS() {
// By default, discard comments.
return nulls();
More information about the llvm-commits
mailing list