[llvm-commits] [llvm] r120245 - in /llvm/trunk: include/llvm/MC/MCObjectStreamer.h lib/MC/MCELFStreamer.cpp lib/MC/MCMachOStreamer.cpp lib/MC/MCObjectStreamer.cpp lib/MC/WinCOFFStreamer.cpp
Rafael Espindola
rafael.espindola at gmail.com
Sun Nov 28 07:54:36 PST 2010
Author: rafael
Date: Sun Nov 28 09:54:36 2010
New Revision: 120245
URL: http://llvm.org/viewvc/llvm-project?rev=120245&view=rev
Log:
Factor some duplicated code into MCObjectStreamer::EmitLabel.
Modified:
llvm/trunk/include/llvm/MC/MCObjectStreamer.h
llvm/trunk/lib/MC/MCELFStreamer.cpp
llvm/trunk/lib/MC/MCMachOStreamer.cpp
llvm/trunk/lib/MC/MCObjectStreamer.cpp
llvm/trunk/lib/MC/WinCOFFStreamer.cpp
Modified: llvm/trunk/include/llvm/MC/MCObjectStreamer.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCObjectStreamer.h?rev=120245&r1=120244&r2=120245&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCObjectStreamer.h (original)
+++ llvm/trunk/include/llvm/MC/MCObjectStreamer.h Sun Nov 28 09:54:36 2010
@@ -60,6 +60,7 @@
/// @name MCStreamer Interface
/// @{
+ virtual void EmitLabel(MCSymbol *Symbol);
virtual void EmitULEB128Value(const MCExpr *Value, unsigned AddrSpace = 0);
virtual void EmitSLEB128Value(const MCExpr *Value, unsigned AddrSpace = 0);
virtual void EmitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol);
Modified: llvm/trunk/lib/MC/MCELFStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCELFStreamer.cpp?rev=120245&r1=120244&r2=120245&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCELFStreamer.cpp (original)
+++ llvm/trunk/lib/MC/MCELFStreamer.cpp Sun Nov 28 09:54:36 2010
@@ -189,26 +189,13 @@
}
void MCELFStreamer::EmitLabel(MCSymbol *Symbol) {
- assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
-
- Symbol->setSection(*CurSection);
-
- MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
+ MCObjectStreamer::EmitLabel(Symbol);
const MCSectionELF &Section =
static_cast<const MCSectionELF&>(Symbol->getSection());
+ MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
if (Section.getFlags() & MCSectionELF::SHF_TLS)
SetType(SD, ELF::STT_TLS);
-
- // FIXME: This is wasteful, we don't necessarily need to create a data
- // fragment. Instead, we should mark the symbol as pointing into the data
- // fragment if it exists, otherwise we should just queue the label and set its
- // fragment pointer when we emit the next fragment.
- MCDataFragment *F = getOrCreateDataFragment();
-
- assert(!SD.getFragment() && "Unexpected fragment on symbol data!");
- SD.setFragment(F);
- SD.setOffset(F->getContents().size());
}
void MCELFStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
Modified: llvm/trunk/lib/MC/MCMachOStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCMachOStreamer.cpp?rev=120245&r1=120244&r2=120245&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCMachOStreamer.cpp (original)
+++ llvm/trunk/lib/MC/MCMachOStreamer.cpp Sun Nov 28 09:54:36 2010
@@ -105,14 +105,6 @@
}
void MCMachOStreamer::EmitLabel(MCSymbol *Symbol) {
- // TODO: This is almost exactly the same as WinCOFFStreamer. Consider merging
- // into MCObjectStreamer.
- assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
- assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
- assert(CurSection && "Cannot emit before setting section!");
-
- Symbol->setSection(*CurSection);
-
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
// We have to create a new fragment if this is an atom defining symbol,
@@ -120,14 +112,7 @@
if (getAssembler().isSymbolLinkerVisible(SD.getSymbol()))
new MCDataFragment(getCurrentSectionData());
- // FIXME: This is wasteful, we don't necessarily need to create a data
- // fragment. Instead, we should mark the symbol as pointing into the data
- // fragment if it exists, otherwise we should just queue the label and set its
- // fragment pointer when we emit the next fragment.
- MCDataFragment *F = getOrCreateDataFragment();
- assert(!SD.getFragment() && "Unexpected fragment on symbol data!");
- SD.setFragment(F);
- SD.setOffset(F->getContents().size());
+ MCObjectStreamer::EmitLabel(Symbol);
// This causes the reference type flag to be cleared. Darwin 'as' was "trying"
// to clear the weak reference and weak definition bits too, but the
Modified: llvm/trunk/lib/MC/MCObjectStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCObjectStreamer.cpp?rev=120245&r1=120244&r2=120245&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCObjectStreamer.cpp (original)
+++ llvm/trunk/lib/MC/MCObjectStreamer.cpp Sun Nov 28 09:54:36 2010
@@ -14,6 +14,7 @@
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/Target/TargetAsmBackend.h"
using namespace llvm;
@@ -75,6 +76,25 @@
return Value;
}
+void MCObjectStreamer::EmitLabel(MCSymbol *Symbol) {
+ assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
+ assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
+ assert(CurSection && "Cannot emit before setting section!");
+
+ Symbol->setSection(*CurSection);
+
+ MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
+
+ // FIXME: This is wasteful, we don't necessarily need to create a data
+ // fragment. Instead, we should mark the symbol as pointing into the data
+ // fragment if it exists, otherwise we should just queue the label and set its
+ // fragment pointer when we emit the next fragment.
+ MCDataFragment *F = getOrCreateDataFragment();
+ assert(!SD.getFragment() && "Unexpected fragment on symbol data!");
+ SD.setFragment(F);
+ SD.setOffset(F->getContents().size());
+}
+
void MCObjectStreamer::EmitULEB128Value(const MCExpr *Value,
unsigned AddrSpace) {
new MCLEBFragment(*Value, false, getCurrentSectionData());
Modified: llvm/trunk/lib/MC/WinCOFFStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/WinCOFFStreamer.cpp?rev=120245&r1=120244&r2=120245&view=diff
==============================================================================
--- llvm/trunk/lib/MC/WinCOFFStreamer.cpp (original)
+++ llvm/trunk/lib/MC/WinCOFFStreamer.cpp Sun Nov 28 09:54:36 2010
@@ -49,7 +49,6 @@
// MCStreamer interface
virtual void InitSections();
- virtual void EmitLabel(MCSymbol *Symbol);
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
virtual void EmitThumbFunc(MCSymbol *Func);
virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value);
@@ -175,28 +174,6 @@
SetSectionText();
}
-void WinCOFFStreamer::EmitLabel(MCSymbol *Symbol) {
- // TODO: This is copied almost exactly from the MachOStreamer. Consider
- // merging into MCObjectStreamer?
- assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
- assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
- assert(CurSection && "Cannot emit before setting section!");
-
- Symbol->setSection(*CurSection);
-
- MCSymbolData &SD = getAssembler().getOrCreateSymbolData(*Symbol);
-
- // FIXME: This is wasteful, we don't necessarily need to create a data
- // fragment. Instead, we should mark the symbol as pointing into the data
- // fragment if it exists, otherwise we should just queue the label and set its
- // fragment pointer when we emit the next fragment.
- MCDataFragment *DF = getOrCreateDataFragment();
-
- assert(!SD.getFragment() && "Unexpected fragment on symbol data!");
- SD.setFragment(DF);
- SD.setOffset(DF->getContents().size());
-}
-
void WinCOFFStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
llvm_unreachable("not implemented");
}
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