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-rw-r--r--llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp94
1 files changed, 69 insertions, 25 deletions
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
index f6bb35d2326..7e56ba39eef 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
@@ -15,7 +15,11 @@
#include "ARMRegisterInfo.h"
#include "ARMUnwindOpAsm.h"
-#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/ADT/Twine.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAsmInfo.h"
@@ -24,25 +28,33 @@
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCELFStreamer.h"
#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCFixup.h"
+#include "llvm/MC/MCFragment.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstPrinter.h"
-#include "llvm/MC/MCObjectFileInfo.h"
-#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSymbolELF.h"
-#include "llvm/MC/MCValue.h"
+#include "llvm/MC/SectionKind.h"
#include "llvm/Support/ARMBuildAttributes.h"
#include "llvm/Support/ARMEHABI.h"
-#include "llvm/Support/TargetParser.h"
-#include "llvm/Support/Debug.h"
+#include "llvm/Support/Casting.h"
#include "llvm/Support/ELF.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/TargetParser.h"
#include <algorithm>
+#include <cassert>
+#include <climits>
+#include <cstddef>
+#include <cstdint>
+#include <string>
using namespace llvm;
@@ -101,16 +113,21 @@ ARMTargetAsmStreamer::ARMTargetAsmStreamer(MCStreamer &S,
bool VerboseAsm)
: ARMTargetStreamer(S), OS(OS), InstPrinter(InstPrinter),
IsVerboseAsm(VerboseAsm) {}
+
void ARMTargetAsmStreamer::emitFnStart() { OS << "\t.fnstart\n"; }
void ARMTargetAsmStreamer::emitFnEnd() { OS << "\t.fnend\n"; }
void ARMTargetAsmStreamer::emitCantUnwind() { OS << "\t.cantunwind\n"; }
+
void ARMTargetAsmStreamer::emitPersonality(const MCSymbol *Personality) {
OS << "\t.personality " << Personality->getName() << '\n';
}
+
void ARMTargetAsmStreamer::emitPersonalityIndex(unsigned Index) {
OS << "\t.personalityindex " << Index << '\n';
}
+
void ARMTargetAsmStreamer::emitHandlerData() { OS << "\t.handlerdata\n"; }
+
void ARMTargetAsmStreamer::emitSetFP(unsigned FpReg, unsigned SpReg,
int64_t Offset) {
OS << "\t.setfp\t";
@@ -121,6 +138,7 @@ void ARMTargetAsmStreamer::emitSetFP(unsigned FpReg, unsigned SpReg,
OS << ", #" << Offset;
OS << '\n';
}
+
void ARMTargetAsmStreamer::emitMovSP(unsigned Reg, int64_t Offset) {
assert((Reg != ARM::SP && Reg != ARM::PC) &&
"the operand of .movsp cannot be either sp or pc");
@@ -131,9 +149,11 @@ void ARMTargetAsmStreamer::emitMovSP(unsigned Reg, int64_t Offset) {
OS << ", #" << Offset;
OS << '\n';
}
+
void ARMTargetAsmStreamer::emitPad(int64_t Offset) {
OS << "\t.pad\t#" << Offset << '\n';
}
+
void ARMTargetAsmStreamer::emitRegSave(const SmallVectorImpl<unsigned> &RegList,
bool isVector) {
assert(RegList.size() && "RegList should not be empty");
@@ -151,8 +171,9 @@ void ARMTargetAsmStreamer::emitRegSave(const SmallVectorImpl<unsigned> &RegList,
OS << "}\n";
}
-void ARMTargetAsmStreamer::switchVendor(StringRef Vendor) {
-}
+
+void ARMTargetAsmStreamer::switchVendor(StringRef Vendor) {}
+
void ARMTargetAsmStreamer::emitAttribute(unsigned Attribute, unsigned Value) {
OS << "\t.eabi_attribute\t" << Attribute << ", " << Twine(Value);
if (IsVerboseAsm) {
@@ -162,6 +183,7 @@ void ARMTargetAsmStreamer::emitAttribute(unsigned Attribute, unsigned Value) {
}
OS << "\n";
}
+
void ARMTargetAsmStreamer::emitTextAttribute(unsigned Attribute,
StringRef String) {
switch (Attribute) {
@@ -179,6 +201,7 @@ void ARMTargetAsmStreamer::emitTextAttribute(unsigned Attribute,
}
OS << "\n";
}
+
void ARMTargetAsmStreamer::emitIntTextAttribute(unsigned Attribute,
unsigned IntValue,
StringRef StringValue) {
@@ -194,20 +217,25 @@ void ARMTargetAsmStreamer::emitIntTextAttribute(unsigned Attribute,
}
OS << "\n";
}
+
void ARMTargetAsmStreamer::emitArch(unsigned Arch) {
OS << "\t.arch\t" << ARM::getArchName(Arch) << "\n";
}
+
void ARMTargetAsmStreamer::emitArchExtension(unsigned ArchExt) {
OS << "\t.arch_extension\t" << ARM::getArchExtName(ArchExt) << "\n";
}
+
void ARMTargetAsmStreamer::emitObjectArch(unsigned Arch) {
OS << "\t.object_arch\t" << ARM::getArchName(Arch) << '\n';
}
+
void ARMTargetAsmStreamer::emitFPU(unsigned FPU) {
OS << "\t.fpu\t" << ARM::getFPUName(FPU) << "\n";
}
-void ARMTargetAsmStreamer::finishAttributeSection() {
-}
+
+void ARMTargetAsmStreamer::finishAttributeSection() {}
+
void
ARMTargetAsmStreamer::AnnotateTLSDescriptorSequence(const MCSymbolRefExpr *S) {
OS << "\t.tlsdescseq\t" << S->getSymbol().getName();
@@ -274,12 +302,12 @@ private:
};
StringRef CurrentVendor;
- unsigned FPU;
- unsigned Arch;
- unsigned EmittedArch;
+ unsigned FPU = ARM::FK_INVALID;
+ unsigned Arch = ARM::AK_INVALID;
+ unsigned EmittedArch = ARM::AK_INVALID;
SmallVector<AttributeItem, 64> Contents;
- MCSection *AttributeSection;
+ MCSection *AttributeSection = nullptr;
AttributeItem *getAttributeItem(unsigned Attribute) {
for (size_t i = 0; i < Contents.size(); ++i)
@@ -393,9 +421,7 @@ private:
public:
ARMTargetELFStreamer(MCStreamer &S)
- : ARMTargetStreamer(S), CurrentVendor("aeabi"), FPU(ARM::FK_INVALID),
- Arch(ARM::AK_INVALID), EmittedArch(ARM::AK_INVALID),
- AttributeSection(nullptr) {}
+ : ARMTargetStreamer(S), CurrentVendor("aeabi") {}
};
/// Extend the generic ELFStreamer class so that it can emit mapping symbols at
@@ -416,12 +442,11 @@ public:
ARMELFStreamer(MCContext &Context, MCAsmBackend &TAB, raw_pwrite_stream &OS,
MCCodeEmitter *Emitter, bool IsThumb)
- : MCELFStreamer(Context, TAB, OS, Emitter), IsThumb(IsThumb),
- MappingSymbolCounter(0), LastEMS(EMS_None) {
+ : MCELFStreamer(Context, TAB, OS, Emitter), IsThumb(IsThumb) {
EHReset();
}
- ~ARMELFStreamer() {}
+ ~ARMELFStreamer() override = default;
void FinishImpl() override;
@@ -599,10 +624,10 @@ private:
void EmitFixup(const MCExpr *Expr, MCFixupKind Kind);
bool IsThumb;
- int64_t MappingSymbolCounter;
+ int64_t MappingSymbolCounter = 0;
DenseMap<const MCSection *, ElfMappingSymbol> LastMappingSymbols;
- ElfMappingSymbol LastEMS;
+ ElfMappingSymbol LastEMS = EMS_None;
// ARM Exception Handling Frame Information
MCSymbol *ExTab;
@@ -618,6 +643,7 @@ private:
SmallVector<uint8_t, 64> Opcodes;
UnwindOpcodeAssembler UnwindOpAsm;
};
+
} // end anonymous namespace
ARMELFStreamer &ARMTargetELFStreamer::getStreamer() {
@@ -627,33 +653,42 @@ ARMELFStreamer &ARMTargetELFStreamer::getStreamer() {
void ARMTargetELFStreamer::emitFnStart() { getStreamer().emitFnStart(); }
void ARMTargetELFStreamer::emitFnEnd() { getStreamer().emitFnEnd(); }
void ARMTargetELFStreamer::emitCantUnwind() { getStreamer().emitCantUnwind(); }
+
void ARMTargetELFStreamer::emitPersonality(const MCSymbol *Personality) {
getStreamer().emitPersonality(Personality);
}
+
void ARMTargetELFStreamer::emitPersonalityIndex(unsigned Index) {
getStreamer().emitPersonalityIndex(Index);
}
+
void ARMTargetELFStreamer::emitHandlerData() {
getStreamer().emitHandlerData();
}
+
void ARMTargetELFStreamer::emitSetFP(unsigned FpReg, unsigned SpReg,
int64_t Offset) {
getStreamer().emitSetFP(FpReg, SpReg, Offset);
}
+
void ARMTargetELFStreamer::emitMovSP(unsigned Reg, int64_t Offset) {
getStreamer().emitMovSP(Reg, Offset);
}
+
void ARMTargetELFStreamer::emitPad(int64_t Offset) {
getStreamer().emitPad(Offset);
}
+
void ARMTargetELFStreamer::emitRegSave(const SmallVectorImpl<unsigned> &RegList,
bool isVector) {
getStreamer().emitRegSave(RegList, isVector);
}
+
void ARMTargetELFStreamer::emitUnwindRaw(int64_t Offset,
const SmallVectorImpl<uint8_t> &Opcodes) {
getStreamer().emitUnwindRaw(Offset, Opcodes);
}
+
void ARMTargetELFStreamer::switchVendor(StringRef Vendor) {
assert(!Vendor.empty() && "Vendor cannot be empty.");
@@ -668,25 +703,31 @@ void ARMTargetELFStreamer::switchVendor(StringRef Vendor) {
CurrentVendor = Vendor;
}
+
void ARMTargetELFStreamer::emitAttribute(unsigned Attribute, unsigned Value) {
setAttributeItem(Attribute, Value, /* OverwriteExisting= */ true);
}
+
void ARMTargetELFStreamer::emitTextAttribute(unsigned Attribute,
StringRef Value) {
setAttributeItem(Attribute, Value, /* OverwriteExisting= */ true);
}
+
void ARMTargetELFStreamer::emitIntTextAttribute(unsigned Attribute,
unsigned IntValue,
StringRef StringValue) {
setAttributeItems(Attribute, IntValue, StringValue,
/* OverwriteExisting= */ true);
}
+
void ARMTargetELFStreamer::emitArch(unsigned Value) {
Arch = Value;
}
+
void ARMTargetELFStreamer::emitObjectArch(unsigned Value) {
EmittedArch = Value;
}
+
void ARMTargetELFStreamer::emitArchDefaultAttributes() {
using namespace ARMBuildAttrs;
@@ -786,9 +827,11 @@ void ARMTargetELFStreamer::emitArchDefaultAttributes() {
break;
}
}
+
void ARMTargetELFStreamer::emitFPU(unsigned Value) {
FPU = Value;
}
+
void ARMTargetELFStreamer::emitFPUDefaultAttributes() {
switch (FPU) {
case ARM::FK_VFP:
@@ -920,6 +963,7 @@ void ARMTargetELFStreamer::emitFPUDefaultAttributes() {
break;
}
}
+
size_t ARMTargetELFStreamer::calculateContentSize() const {
size_t Result = 0;
for (size_t i = 0; i < Contents.size(); ++i) {
@@ -944,6 +988,7 @@ size_t ARMTargetELFStreamer::calculateContentSize() const {
}
return Result;
}
+
void ARMTargetELFStreamer::finishAttributeSection() {
// <format-version>
// [ <section-length> "vendor-name"
@@ -1114,6 +1159,7 @@ inline void ARMELFStreamer::SwitchToExIdxSection(const MCSymbol &FnStart) {
ELF::SHF_ALLOC | ELF::SHF_LINK_ORDER,
SectionKind::getData(), FnStart);
}
+
void ARMELFStreamer::EmitFixup(const MCExpr *Expr, MCFixupKind Kind) {
MCDataFragment *Frag = getOrCreateDataFragment();
Frag->getFixups().push_back(MCFixup::create(Frag->getContents().size(), Expr,
@@ -1396,8 +1442,6 @@ MCELFStreamer *createARMELFStreamer(MCContext &Context, MCAsmBackend &TAB,
if (RelaxAll)
S->getAssembler().setRelaxAll(true);
return S;
- }
-
}
-
+} // end namespace llvm
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