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-rw-r--r--contrib/llvm/lib/MC/MCAsmStreamer.cpp106
1 files changed, 91 insertions, 15 deletions
diff --git a/contrib/llvm/lib/MC/MCAsmStreamer.cpp b/contrib/llvm/lib/MC/MCAsmStreamer.cpp
index 17a6323..35613b4 100644
--- a/contrib/llvm/lib/MC/MCAsmStreamer.cpp
+++ b/contrib/llvm/lib/MC/MCAsmStreamer.cpp
@@ -8,6 +8,11 @@
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCStreamer.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
@@ -20,15 +25,10 @@
#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCAsmBackend.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/Twine.h"
#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/MathExtras.h"
#include "llvm/Support/PathV2.h"
#include <cctype>
using namespace llvm;
@@ -71,7 +71,7 @@ public:
MCInstPrinter *printer, MCCodeEmitter *emitter,
MCAsmBackend *asmbackend,
bool showInst)
- : MCStreamer(Context), OS(os), MAI(Context.getAsmInfo()),
+ : MCStreamer(SK_AsmStreamer, Context), OS(os), MAI(Context.getAsmInfo()),
InstPrinter(printer), Emitter(emitter), AsmBackend(asmbackend),
CommentStream(CommentToEmit), IsVerboseAsm(isVerboseAsm),
ShowInst(showInst), UseLoc(useLoc), UseCFI(useCFI),
@@ -127,17 +127,25 @@ public:
virtual void ChangeSection(const MCSection *Section);
virtual void InitSections() {
+ InitToTextSection();
+ }
+
+ virtual void InitToTextSection() {
// FIXME, this is MachO specific, but the testsuite
// expects this.
- SwitchSection(getContext().getMachOSection("__TEXT", "__text",
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
- 0, SectionKind::getText()));
+ SwitchSection(getContext().getMachOSection(
+ "__TEXT", "__text",
+ MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ 0, SectionKind::getText()));
}
virtual void EmitLabel(MCSymbol *Symbol);
+ virtual void EmitDebugLabel(MCSymbol *Symbol);
+
virtual void EmitEHSymAttributes(const MCSymbol *Symbol,
MCSymbol *EHSymbol);
virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
+ virtual void EmitLinkerOptions(ArrayRef<std::string> Options);
virtual void EmitDataRegion(MCDataRegionType Kind);
virtual void EmitThumbFunc(MCSymbol *Func);
@@ -207,7 +215,7 @@ public:
virtual void EmitFileDirective(StringRef Filename);
virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
- StringRef Filename);
+ StringRef Filename, unsigned CUID = 0);
virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
unsigned Column, unsigned Flags,
unsigned Isa, unsigned Discriminator,
@@ -226,6 +234,8 @@ public:
virtual void EmitCFIRelOffset(int64_t Register, int64_t Offset);
virtual void EmitCFIAdjustCfaOffset(int64_t Adjustment);
virtual void EmitCFISignalFrame();
+ virtual void EmitCFIUndefined(int64_t Register);
+ virtual void EmitCFIRegister(int64_t Register1, int64_t Register2);
virtual void EmitWin64EHStartProc(const MCSymbol *Symbol);
virtual void EmitWin64EHEndProc();
@@ -255,6 +265,10 @@ public:
virtual void EmitInstruction(const MCInst &Inst);
+ virtual void EmitBundleAlignMode(unsigned AlignPow2);
+ virtual void EmitBundleLock(bool AlignToEnd);
+ virtual void EmitBundleUnlock();
+
/// EmitRawText - If this file is backed by an assembly streamer, this dumps
/// the specified string in the output .s file. This capability is
/// indicated by the hasRawTextSupport() predicate.
@@ -263,6 +277,10 @@ public:
virtual void FinishImpl();
/// @}
+
+ static bool classof(const MCStreamer *S) {
+ return S->getKind() == SK_AsmStreamer;
+ }
};
} // end anonymous namespace.
@@ -343,6 +361,14 @@ void MCAsmStreamer::EmitLabel(MCSymbol *Symbol) {
EmitEOL();
}
+void MCAsmStreamer::EmitDebugLabel(MCSymbol *Symbol) {
+ assert(Symbol->isUndefined() && "Cannot define a symbol twice!");
+ MCStreamer::EmitDebugLabel(Symbol);
+
+ OS << *Symbol << MAI.getDebugLabelSuffix();
+ EmitEOL();
+}
+
void MCAsmStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
switch (Flag) {
case MCAF_SyntaxUnified: OS << "\t.syntax unified"; break;
@@ -354,6 +380,16 @@ void MCAsmStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
EmitEOL();
}
+void MCAsmStreamer::EmitLinkerOptions(ArrayRef<std::string> Options) {
+ assert(!Options.empty() && "At least one option is required!");
+ OS << "\t.linker_option \"" << Options[0] << '"';
+ for (ArrayRef<std::string>::iterator it = Options.begin() + 1,
+ ie = Options.end(); it != ie; ++it) {
+ OS << ", " << '"' << *it << '"';
+ }
+ OS << "\n";
+}
+
void MCAsmStreamer::EmitDataRegion(MCDataRegionType Kind) {
MCContext &Ctx = getContext();
const MCAsmInfo &MAI = Ctx.getAsmInfo();
@@ -792,14 +828,14 @@ void MCAsmStreamer::EmitFileDirective(StringRef Filename) {
}
bool MCAsmStreamer::EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
- StringRef Filename) {
+ StringRef Filename, unsigned CUID) {
if (!UseDwarfDirectory && !Directory.empty()) {
if (sys::path::is_absolute(Filename))
- return EmitDwarfFileDirective(FileNo, "", Filename);
+ return EmitDwarfFileDirective(FileNo, "", Filename, CUID);
SmallString<128> FullPathName = Directory;
sys::path::append(FullPathName, Filename);
- return EmitDwarfFileDirective(FileNo, "", FullPathName);
+ return EmitDwarfFileDirective(FileNo, "", FullPathName, CUID);
}
if (UseLoc) {
@@ -810,8 +846,11 @@ bool MCAsmStreamer::EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
}
PrintQuotedString(Filename, OS);
EmitEOL();
+ // All .file will belong to a single CUID.
+ CUID = 0;
}
- return this->MCStreamer::EmitDwarfFileDirective(FileNo, Directory, Filename);
+ return this->MCStreamer::EmitDwarfFileDirective(FileNo, Directory, Filename,
+ CUID);
}
void MCAsmStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
@@ -1036,6 +1075,26 @@ void MCAsmStreamer::EmitCFISignalFrame() {
EmitEOL();
}
+void MCAsmStreamer::EmitCFIUndefined(int64_t Register) {
+ MCStreamer::EmitCFIUndefined(Register);
+
+ if (!UseCFI)
+ return;
+
+ OS << "\t.cfi_undefined " << Register;
+ EmitEOL();
+}
+
+void MCAsmStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) {
+ MCStreamer::EmitCFIRegister(Register1, Register2);
+
+ if (!UseCFI)
+ return;
+
+ OS << "\t.cfi_register " << Register1 << ", " << Register2;
+ EmitEOL();
+}
+
void MCAsmStreamer::EmitWin64EHStartProc(const MCSymbol *Symbol) {
MCStreamer::EmitWin64EHStartProc(Symbol);
@@ -1329,6 +1388,23 @@ void MCAsmStreamer::EmitInstruction(const MCInst &Inst) {
EmitEOL();
}
+void MCAsmStreamer::EmitBundleAlignMode(unsigned AlignPow2) {
+ OS << "\t.bundle_align_mode " << AlignPow2;
+ EmitEOL();
+}
+
+void MCAsmStreamer::EmitBundleLock(bool AlignToEnd) {
+ OS << "\t.bundle_lock";
+ if (AlignToEnd)
+ OS << " align_to_end";
+ EmitEOL();
+}
+
+void MCAsmStreamer::EmitBundleUnlock() {
+ OS << "\t.bundle_unlock";
+ EmitEOL();
+}
+
/// EmitRawText - If this file is backed by an assembly streamer, this dumps
/// the specified string in the output .s file. This capability is
/// indicated by the hasRawTextSupport() predicate.
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