#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/ilist.h"
#include "llvm/ADT/ilist_node.h"
+#include "llvm/ADT/iterator.h"
#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCFixup.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCLinkerOptimizationHint.h"
#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/DataTypes.h"
#include <algorithm>
class MCSection;
class MCSectionData;
class MCSubtargetInfo;
-class MCSymbol;
-class MCSymbolData;
class MCValue;
class MCAsmBackend;
class MCFragment : public ilist_node<MCFragment> {
friend class MCAsmLayout;
- MCFragment(const MCFragment&) LLVM_DELETED_FUNCTION;
- void operator=(const MCFragment&) LLVM_DELETED_FUNCTION;
+ MCFragment(const MCFragment &) = delete;
+ void operator=(const MCFragment &) = delete;
public:
enum FragmentType {
/// Atom - The atom this fragment is in, as represented by it's defining
/// symbol.
- MCSymbolData *Atom;
+ const MCSymbol *Atom;
- /// @name Assembler Backend Data
+ /// \name Assembler Backend Data
/// @{
//
// FIXME: This could all be kept private to the assembler implementation.
/// @}
protected:
- MCFragment(FragmentType _Kind, MCSectionData *_Parent = nullptr);
+ MCFragment(FragmentType Kind, MCSectionData *Parent = nullptr);
public:
// Only for sentinel.
MCSectionData *getParent() const { return Parent; }
void setParent(MCSectionData *Value) { Parent = Value; }
- MCSymbolData *getAtom() const { return Atom; }
- void setAtom(MCSymbolData *Value) { Atom = Value; }
+ const MCSymbol *getAtom() const { return Atom; }
+ void setAtom(const MCSymbol *Value) { Atom = Value; }
unsigned getLayoutOrder() const { return LayoutOrder; }
void setLayoutOrder(unsigned Value) { LayoutOrder = Value; }
/// \brief Should this fragment be placed at the end of an aligned bundle?
virtual bool alignToBundleEnd() const { return false; }
- virtual void setAlignToBundleEnd(bool V) { }
+ virtual void setAlignToBundleEnd(bool V) {}
/// \brief Get the padding size that must be inserted before this fragment.
/// Used for bundling. By default, no padding is inserted.
/// Note that padding size is restricted to 8 bits. This is an optimization
/// to reduce the amount of space used for each fragment. In practice, larger
/// padding should never be required.
- virtual uint8_t getBundlePadding() const {
- return 0;
- }
+ virtual uint8_t getBundlePadding() const { return 0; }
/// \brief Set the padding size for this fragment. By default it's a no-op,
/// and only some fragments have a meaningful implementation.
- virtual void setBundlePadding(uint8_t N) {
- }
+ virtual void setBundlePadding(uint8_t N) {}
void dump();
};
virtual void anchor();
uint8_t BundlePadding;
+
public:
MCEncodedFragment(MCFragment::FragmentType FType, MCSectionData *SD = nullptr)
- : MCFragment(FType, SD), BundlePadding(0)
- {
- }
- virtual ~MCEncodedFragment();
+ : MCFragment(FType, SD), BundlePadding(0) {}
+ ~MCEncodedFragment() override;
virtual SmallVectorImpl<char> &getContents() = 0;
virtual const SmallVectorImpl<char> &getContents() const = 0;
- uint8_t getBundlePadding() const override {
- return BundlePadding;
- }
+ uint8_t getBundlePadding() const override { return BundlePadding; }
- void setBundlePadding(uint8_t N) override {
- BundlePadding = N;
- }
+ void setBundlePadding(uint8_t N) override { BundlePadding = N; }
static bool classof(const MCFragment *F) {
MCFragment::FragmentType Kind = F->getKind();
switch (Kind) {
- default:
- return false;
- case MCFragment::FT_Relaxable:
- case MCFragment::FT_CompactEncodedInst:
- case MCFragment::FT_Data:
- return true;
+ default:
+ return false;
+ case MCFragment::FT_Relaxable:
+ case MCFragment::FT_CompactEncodedInst:
+ case MCFragment::FT_Data:
+ return true;
}
}
};
public:
MCEncodedFragmentWithFixups(MCFragment::FragmentType FType,
MCSectionData *SD = nullptr)
- : MCEncodedFragment(FType, SD)
- {
- }
+ : MCEncodedFragment(FType, SD) {}
- virtual ~MCEncodedFragmentWithFixups();
+ ~MCEncodedFragmentWithFixups() override;
typedef SmallVectorImpl<MCFixup>::const_iterator const_fixup_iterator;
typedef SmallVectorImpl<MCFixup>::iterator fixup_iterator;
virtual const SmallVectorImpl<MCFixup> &getFixups() const = 0;
virtual fixup_iterator fixup_begin() = 0;
- virtual const_fixup_iterator fixup_begin() const = 0;
+ virtual const_fixup_iterator fixup_begin() const = 0;
virtual fixup_iterator fixup_end() = 0;
virtual const_fixup_iterator fixup_end() const = 0;
/// Fixups - The list of fixups in this fragment.
SmallVector<MCFixup, 4> Fixups;
+
public:
MCDataFragment(MCSectionData *SD = nullptr)
- : MCEncodedFragmentWithFixups(FT_Data, SD),
- HasInstructions(false), AlignToBundleEnd(false)
- {
- }
+ : MCEncodedFragmentWithFixups(FT_Data, SD), HasInstructions(false),
+ AlignToBundleEnd(false) {}
SmallVectorImpl<char> &getContents() override { return Contents; }
- const SmallVectorImpl<char> &getContents() const override {
- return Contents;
- }
+ const SmallVectorImpl<char> &getContents() const override { return Contents; }
- SmallVectorImpl<MCFixup> &getFixups() override {
- return Fixups;
- }
+ SmallVectorImpl<MCFixup> &getFixups() override { return Fixups; }
- const SmallVectorImpl<MCFixup> &getFixups() const override {
- return Fixups;
- }
+ const SmallVectorImpl<MCFixup> &getFixups() const override { return Fixups; }
bool hasInstructions() const override { return HasInstructions; }
virtual void setHasInstructions(bool V) { HasInstructions = V; }
fixup_iterator fixup_begin() override { return Fixups.begin(); }
const_fixup_iterator fixup_begin() const override { return Fixups.begin(); }
- fixup_iterator fixup_end() override {return Fixups.end();}
- const_fixup_iterator fixup_end() const override {return Fixups.end();}
+ fixup_iterator fixup_end() override { return Fixups.end(); }
+ const_fixup_iterator fixup_end() const override { return Fixups.end(); }
static bool classof(const MCFragment *F) {
return F->getKind() == MCFragment::FT_Data;
bool AlignToBundleEnd;
SmallVector<char, 4> Contents;
+
public:
MCCompactEncodedInstFragment(MCSectionData *SD = nullptr)
- : MCEncodedFragment(FT_CompactEncodedInst, SD), AlignToBundleEnd(false)
- {
- }
+ : MCEncodedFragment(FT_CompactEncodedInst, SD), AlignToBundleEnd(false) {}
- bool hasInstructions() const override {
- return true;
- }
+ bool hasInstructions() const override { return true; }
SmallVectorImpl<char> &getContents() override { return Contents; }
const SmallVectorImpl<char> &getContents() const override { return Contents; }
SmallVector<MCFixup, 1> Fixups;
public:
- MCRelaxableFragment(const MCInst &_Inst,
- const MCSubtargetInfo &_STI,
+ MCRelaxableFragment(const MCInst &Inst, const MCSubtargetInfo &STI,
MCSectionData *SD = nullptr)
- : MCEncodedFragmentWithFixups(FT_Relaxable, SD), Inst(_Inst), STI(_STI) {
- }
+ : MCEncodedFragmentWithFixups(FT_Relaxable, SD), Inst(Inst), STI(STI) {}
SmallVectorImpl<char> &getContents() override { return Contents; }
const SmallVectorImpl<char> &getContents() const override { return Contents; }
const MCInst &getInst() const { return Inst; }
- void setInst(const MCInst& Value) { Inst = Value; }
+ void setInst(const MCInst &Value) { Inst = Value; }
const MCSubtargetInfo &getSubtargetInfo() { return STI; }
- SmallVectorImpl<MCFixup> &getFixups() override {
- return Fixups;
- }
+ SmallVectorImpl<MCFixup> &getFixups() override { return Fixups; }
- const SmallVectorImpl<MCFixup> &getFixups() const override {
- return Fixups;
- }
+ const SmallVectorImpl<MCFixup> &getFixups() const override { return Fixups; }
bool hasInstructions() const override { return true; }
fixup_iterator fixup_begin() override { return Fixups.begin(); }
const_fixup_iterator fixup_begin() const override { return Fixups.begin(); }
- fixup_iterator fixup_end() override {return Fixups.end();}
- const_fixup_iterator fixup_end() const override {return Fixups.end();}
+ fixup_iterator fixup_end() override { return Fixups.end(); }
+ const_fixup_iterator fixup_end() const override { return Fixups.end(); }
static bool classof(const MCFragment *F) {
return F->getKind() == MCFragment::FT_Relaxable;
bool EmitNops : 1;
public:
- MCAlignFragment(unsigned _Alignment, int64_t _Value, unsigned _ValueSize,
- unsigned _MaxBytesToEmit, MCSectionData *SD = nullptr)
- : MCFragment(FT_Align, SD), Alignment(_Alignment),
- Value(_Value),ValueSize(_ValueSize),
- MaxBytesToEmit(_MaxBytesToEmit), EmitNops(false) {}
+ MCAlignFragment(unsigned Alignment, int64_t Value, unsigned ValueSize,
+ unsigned MaxBytesToEmit, MCSectionData *SD = nullptr)
+ : MCFragment(FT_Align, SD), Alignment(Alignment), Value(Value),
+ ValueSize(ValueSize), MaxBytesToEmit(MaxBytesToEmit), EmitNops(false) {}
- /// @name Accessors
+ /// \name Accessors
/// @{
unsigned getAlignment() const { return Alignment; }
uint64_t Size;
public:
- MCFillFragment(int64_t _Value, unsigned _ValueSize, uint64_t _Size,
+ MCFillFragment(int64_t Value, unsigned ValueSize, uint64_t Size,
MCSectionData *SD = nullptr)
- : MCFragment(FT_Fill, SD),
- Value(_Value), ValueSize(_ValueSize), Size(_Size) {
+ : MCFragment(FT_Fill, SD), Value(Value), ValueSize(ValueSize),
+ Size(Size) {
assert((!ValueSize || (Size % ValueSize) == 0) &&
"Fill size must be a multiple of the value size!");
}
- /// @name Accessors
+ /// \name Accessors
/// @{
int64_t getValue() const { return Value; }
int8_t Value;
public:
- MCOrgFragment(const MCExpr &_Offset, int8_t _Value,
- MCSectionData *SD = nullptr)
- : MCFragment(FT_Org, SD),
- Offset(&_Offset), Value(_Value) {}
+ MCOrgFragment(const MCExpr &Offset, int8_t Value, MCSectionData *SD = nullptr)
+ : MCFragment(FT_Org, SD), Offset(&Offset), Value(Value) {}
- /// @name Accessors
+ /// \name Accessors
/// @{
const MCExpr &getOffset() const { return *Offset; }
bool IsSigned;
SmallString<8> Contents;
+
public:
MCLEBFragment(const MCExpr &Value_, bool IsSigned_,
MCSectionData *SD = nullptr)
- : MCFragment(FT_LEB, SD),
- Value(&Value_), IsSigned(IsSigned_) { Contents.push_back(0); }
+ : MCFragment(FT_LEB, SD), Value(&Value_), IsSigned(IsSigned_) {
+ Contents.push_back(0);
+ }
- /// @name Accessors
+ /// \name Accessors
/// @{
const MCExpr &getValue() const { return *Value; }
SmallString<8> Contents;
public:
- MCDwarfLineAddrFragment(int64_t _LineDelta, const MCExpr &_AddrDelta,
- MCSectionData *SD = nullptr)
- : MCFragment(FT_Dwarf, SD),
- LineDelta(_LineDelta), AddrDelta(&_AddrDelta) { Contents.push_back(0); }
+ MCDwarfLineAddrFragment(int64_t LineDelta, const MCExpr &AddrDelta,
+ MCSectionData *SD = nullptr)
+ : MCFragment(FT_Dwarf, SD), LineDelta(LineDelta), AddrDelta(&AddrDelta) {
+ Contents.push_back(0);
+ }
- /// @name Accessors
+ /// \name Accessors
/// @{
int64_t getLineDelta() const { return LineDelta; }
SmallString<8> Contents;
public:
- MCDwarfCallFrameFragment(const MCExpr &_AddrDelta,
- MCSectionData *SD = nullptr)
- : MCFragment(FT_DwarfFrame, SD),
- AddrDelta(&_AddrDelta) { Contents.push_back(0); }
+ MCDwarfCallFrameFragment(const MCExpr &AddrDelta, MCSectionData *SD = nullptr)
+ : MCFragment(FT_DwarfFrame, SD), AddrDelta(&AddrDelta) {
+ Contents.push_back(0);
+ }
- /// @name Accessors
+ /// \name Accessors
/// @{
const MCExpr &getAddrDelta() const { return *AddrDelta; }
class MCSectionData : public ilist_node<MCSectionData> {
friend class MCAsmLayout;
- MCSectionData(const MCSectionData&) LLVM_DELETED_FUNCTION;
- void operator=(const MCSectionData&) LLVM_DELETED_FUNCTION;
+ MCSectionData(const MCSectionData &) = delete;
+ void operator=(const MCSectionData &) = delete;
public:
typedef iplist<MCFragment> FragmentListType;
typedef FragmentListType::const_reverse_iterator const_reverse_iterator;
typedef FragmentListType::reverse_iterator reverse_iterator;
- /// \brief Express the state of bundle locked groups while emitting code.
- enum BundleLockStateType {
- NotBundleLocked,
- BundleLocked,
- BundleLockedAlignToEnd
- };
private:
FragmentListType Fragments;
- const MCSection *Section;
-
- /// Ordinal - The section index in the assemblers section list.
- unsigned Ordinal;
-
- /// LayoutOrder - The index of this section in the layout order.
- unsigned LayoutOrder;
-
- /// Alignment - The maximum alignment seen in this section.
- unsigned Alignment;
-
- /// \brief Keeping track of bundle-locked state.
- BundleLockStateType BundleLockState;
+ MCSection *Section;
- /// \brief Current nesting depth of bundle_lock directives.
- unsigned BundleLockNestingDepth;
-
- /// \brief We've seen a bundle_lock directive but not its first instruction
- /// yet.
- bool BundleGroupBeforeFirstInst;
-
- /// @name Assembler Backend Data
+ /// \name Assembler Backend Data
/// @{
//
// FIXME: This could all be kept private to the assembler implementation.
- /// HasInstructions - Whether this section has had instructions emitted into
- /// it.
- unsigned HasInstructions : 1;
-
/// Mapping from subsection number to insertion point for subsection numbers
/// below that number.
SmallVector<std::pair<unsigned, MCFragment *>, 1> SubsectionFragmentMap;
public:
// Only for use as sentinel.
MCSectionData();
- MCSectionData(const MCSection &Section, MCAssembler *A = nullptr);
-
- const MCSection &getSection() const { return *Section; }
-
- unsigned getAlignment() const { return Alignment; }
- void setAlignment(unsigned Value) { Alignment = Value; }
-
- bool hasInstructions() const { return HasInstructions; }
- void setHasInstructions(bool Value) { HasInstructions = Value; }
-
- unsigned getOrdinal() const { return Ordinal; }
- void setOrdinal(unsigned Value) { Ordinal = Value; }
+ MCSectionData(MCSection &Section, MCAssembler *A = nullptr);
- unsigned getLayoutOrder() const { return LayoutOrder; }
- void setLayoutOrder(unsigned Value) { LayoutOrder = Value; }
+ MCSection &getSection() const { return *Section; }
- /// @name Fragment Access
+ /// \name Fragment Access
/// @{
const FragmentListType &getFragmentList() const { return Fragments; }
iterator getSubsectionInsertionPoint(unsigned Subsection);
- bool isBundleLocked() const {
- return BundleLockState != NotBundleLocked;
- }
-
- BundleLockStateType getBundleLockState() const {
- return BundleLockState;
- }
-
- void setBundleLockState(BundleLockStateType NewState);
-
- bool isBundleGroupBeforeFirstInst() const {
- return BundleGroupBeforeFirstInst;
- }
-
- void setBundleGroupBeforeFirstInst(bool IsFirst) {
- BundleGroupBeforeFirstInst = IsFirst;
- }
-
void dump();
/// @}
};
-// FIXME: Same concerns as with SectionData.
-class MCSymbolData : public ilist_node<MCSymbolData> {
- const MCSymbol *Symbol;
-
- /// Fragment - The fragment this symbol's value is relative to, if any. Also
- /// stores if this symbol is visible outside this translation unit (bit 0) or
- /// if it is private extern (bit 1).
- PointerIntPair<MCFragment *, 2> Fragment;
-
- union {
- /// Offset - The offset to apply to the fragment address to form this
- /// symbol's value.
- uint64_t Offset;
-
- /// CommonSize - The size of the symbol, if it is 'common'.
- uint64_t CommonSize;
- };
-
- /// SymbolSize - An expression describing how to calculate the size of
- /// a symbol. If a symbol has no size this field will be NULL.
- const MCExpr *SymbolSize;
-
- /// CommonAlign - The alignment of the symbol, if it is 'common', or -1.
- //
- // FIXME: Pack this in with other fields?
- unsigned CommonAlign;
-
- /// Flags - The Flags field is used by object file implementations to store
- /// additional per symbol information which is not easily classified.
- uint32_t Flags;
-
- /// Index - Index field, for use by the object file implementation.
- uint64_t Index;
-
-public:
- // Only for use as sentinel.
- MCSymbolData();
- MCSymbolData(const MCSymbol &_Symbol, MCFragment *_Fragment, uint64_t _Offset,
- MCAssembler *A = nullptr);
-
- /// @name Accessors
- /// @{
-
- const MCSymbol &getSymbol() const { return *Symbol; }
-
- MCFragment *getFragment() const { return Fragment.getPointer(); }
- void setFragment(MCFragment *Value) { Fragment.setPointer(Value); }
-
- uint64_t getOffset() const {
- assert(!isCommon());
- return Offset;
- }
- void setOffset(uint64_t Value) {
- assert(!isCommon());
- Offset = Value;
- }
-
- /// @}
- /// @name Symbol Attributes
- /// @{
-
- bool isExternal() const { return Fragment.getInt() & 1; }
- void setExternal(bool Value) {
- Fragment.setInt((Fragment.getInt() & ~1) | unsigned(Value));
- }
-
- bool isPrivateExtern() const { return Fragment.getInt() & 2; }
- void setPrivateExtern(bool Value) {
- Fragment.setInt((Fragment.getInt() & ~2) | (unsigned(Value) << 1));
- }
-
- /// isCommon - Is this a 'common' symbol.
- bool isCommon() const { return CommonAlign != -1U; }
-
- /// setCommon - Mark this symbol as being 'common'.
- ///
- /// \param Size - The size of the symbol.
- /// \param Align - The alignment of the symbol.
- void setCommon(uint64_t Size, unsigned Align) {
- assert(getOffset() == 0);
- CommonSize = Size;
- CommonAlign = Align;
- }
-
- /// getCommonSize - Return the size of a 'common' symbol.
- uint64_t getCommonSize() const {
- assert(isCommon() && "Not a 'common' symbol!");
- return CommonSize;
- }
-
- void setSize(const MCExpr *SS) {
- SymbolSize = SS;
- }
-
- const MCExpr *getSize() const {
- return SymbolSize;
- }
-
-
- /// getCommonAlignment - Return the alignment of a 'common' symbol.
- unsigned getCommonAlignment() const {
- assert(isCommon() && "Not a 'common' symbol!");
- return CommonAlign;
- }
-
- /// getFlags - Get the (implementation defined) symbol flags.
- uint32_t getFlags() const { return Flags; }
-
- /// setFlags - Set the (implementation defined) symbol flags.
- void setFlags(uint32_t Value) { Flags = Value; }
-
- /// modifyFlags - Modify the flags via a mask
- void modifyFlags(uint32_t Value, uint32_t Mask) {
- Flags = (Flags & ~Mask) | Value;
- }
-
- /// getIndex - Get the (implementation defined) index.
- uint64_t getIndex() const { return Index; }
-
- /// setIndex - Set the (implementation defined) index.
- void setIndex(uint64_t Value) { Index = Value; }
-
- /// @}
-
- void dump() const;
-};
-
// FIXME: This really doesn't belong here. See comments below.
struct IndirectSymbolData {
MCSymbol *Symbol;
public:
typedef iplist<MCSectionData> SectionDataListType;
- typedef iplist<MCSymbolData> SymbolDataListType;
+ typedef std::vector<const MCSymbol *> SymbolDataListType;
typedef SectionDataListType::const_iterator const_iterator;
typedef SectionDataListType::iterator iterator;
- typedef SymbolDataListType::const_iterator const_symbol_iterator;
- typedef SymbolDataListType::iterator symbol_iterator;
+ typedef pointee_iterator<SymbolDataListType::const_iterator>
+ const_symbol_iterator;
+ typedef pointee_iterator<SymbolDataListType::iterator> symbol_iterator;
typedef iterator_range<symbol_iterator> symbol_range;
typedef iterator_range<const_symbol_iterator> const_symbol_range;
typedef FileNameVectorType::const_iterator const_file_name_iterator;
typedef std::vector<IndirectSymbolData>::const_iterator
- const_indirect_symbol_iterator;
+ const_indirect_symbol_iterator;
typedef std::vector<IndirectSymbolData>::iterator indirect_symbol_iterator;
typedef std::vector<DataRegionData>::const_iterator
- const_data_region_iterator;
+ const_data_region_iterator;
typedef std::vector<DataRegionData>::iterator data_region_iterator;
/// MachO specific deployment target version info.
unsigned Minor;
unsigned Update;
} VersionMinInfoType;
+
private:
- MCAssembler(const MCAssembler&) LLVM_DELETED_FUNCTION;
- void operator=(const MCAssembler&) LLVM_DELETED_FUNCTION;
+ MCAssembler(const MCAssembler &) = delete;
+ void operator=(const MCAssembler &) = delete;
MCContext &Context;
iplist<MCSectionData> Sections;
- iplist<MCSymbolData> Symbols;
+ SymbolDataListType Symbols;
DenseSet<const MCSymbol *> LocalsUsedInReloc;
/// The map of sections to their associated assembler backend data.
//
// FIXME: Avoid this indirection?
- DenseMap<const MCSection*, MCSectionData*> SectionMap;
-
- /// The map of symbols to their associated assembler backend data.
- //
- // FIXME: Avoid this indirection?
- DenseMap<const MCSymbol*, MCSymbolData*> SymbolMap;
+ DenseMap<const MCSection *, MCSectionData *> SectionMap;
std::vector<IndirectSymbolData> IndirectSymbols;
std::vector<DataRegionData> DataRegions;
/// The list of linker options to propagate into the object file.
- std::vector<std::vector<std::string> > LinkerOptions;
+ std::vector<std::vector<std::string>> LinkerOptions;
/// List of declared file names
FileNameVectorType FileNames;
// here. Maybe when the relocation stuff moves to target specific,
// this can go with it? The streamer would need some target specific
// refactoring too.
- mutable SmallPtrSet<const MCSymbol*, 64> ThumbFuncs;
+ mutable SmallPtrSet<const MCSymbol *, 64> ThumbFuncs;
/// \brief The bundle alignment size currently set in the assembler.
///
MCLOHContainer LOHContainer;
VersionMinInfoType VersionMinInfo;
+
private:
/// Evaluate a fixup to a relocatable expression and the value which should be
/// placed into the fixup.
/// \return Whether the fixup value was fully resolved. This is true if the
/// \p Value result is fixed, otherwise the value may change due to
/// relocation.
- bool evaluateFixup(const MCAsmLayout &Layout,
- const MCFixup &Fixup, const MCFragment *DF,
- MCValue &Target, uint64_t &Value) const;
+ bool evaluateFixup(const MCAsmLayout &Layout, const MCFixup &Fixup,
+ const MCFragment *DF, MCValue &Target,
+ uint64_t &Value) const;
/// Check whether a fixup can be satisfied, or whether it needs to be relaxed
/// (increased in size, in order to hold its value correctly).
/// Find the symbol which defines the atom containing the given symbol, or
/// null if there is no such symbol.
- const MCSymbolData *getAtom(const MCSymbolData *Symbol) const;
+ const MCSymbol *getAtom(const MCSymbol &S) const;
/// Check whether a particular symbol is visible to the linker and is required
/// in the symbol table, or whether it can be discarded by the assembler. This
void setIsThumbFunc(const MCSymbol *Func) { ThumbFuncs.insert(Func); }
/// ELF e_header flags
- unsigned getELFHeaderEFlags() const {return ELFHeaderEFlags;}
- void setELFHeaderEFlags(unsigned Flags) { ELFHeaderEFlags = Flags;}
+ unsigned getELFHeaderEFlags() const { return ELFHeaderEFlags; }
+ void setELFHeaderEFlags(unsigned Flags) { ELFHeaderEFlags = Flags; }
/// MachO deployment target version information.
const VersionMinInfoType &getVersionMinInfo() const { return VersionMinInfo; }
void Finish();
// FIXME: This does not belong here.
- bool getSubsectionsViaSymbols() const {
- return SubsectionsViaSymbols;
- }
- void setSubsectionsViaSymbols(bool Value) {
- SubsectionsViaSymbols = Value;
- }
+ bool getSubsectionsViaSymbols() const { return SubsectionsViaSymbols; }
+ void setSubsectionsViaSymbols(bool Value) { SubsectionsViaSymbols = Value; }
bool getRelaxAll() const { return RelaxAll; }
void setRelaxAll(bool Value) { RelaxAll = Value; }
- bool isBundlingEnabled() const {
- return BundleAlignSize != 0;
- }
+ bool isBundlingEnabled() const { return BundleAlignSize != 0; }
- unsigned getBundleAlignSize() const {
- return BundleAlignSize;
- }
+ unsigned getBundleAlignSize() const { return BundleAlignSize; }
void setBundleAlignSize(unsigned Size) {
- assert((Size == 0 || !(Size & (Size - 1))) &&
+ assert((Size == 0 || !(Size & (Size - 1))) &&
"Expect a power-of-two bundle align size");
BundleAlignSize = Size;
}
- /// @name Section List Access
+ /// \name Section List Access
/// @{
const SectionDataListType &getSectionList() const { return Sections; }
size_t size() const { return Sections.size(); }
/// @}
- /// @name Symbol List Access
+ /// \name Symbol List Access
/// @{
-
- const SymbolDataListType &getSymbolList() const { return Symbols; }
- SymbolDataListType &getSymbolList() { return Symbols; }
-
symbol_iterator symbol_begin() { return Symbols.begin(); }
const_symbol_iterator symbol_begin() const { return Symbols.begin(); }
const_symbol_iterator symbol_end() const { return Symbols.end(); }
symbol_range symbols() { return make_range(symbol_begin(), symbol_end()); }
- const_symbol_range symbols() const { return make_range(symbol_begin(), symbol_end()); }
+ const_symbol_range symbols() const {
+ return make_range(symbol_begin(), symbol_end());
+ }
size_t symbol_size() const { return Symbols.size(); }
/// @}
- /// @name Indirect Symbol List Access
+ /// \name Indirect Symbol List Access
/// @{
// FIXME: This is a total hack, this should not be here. Once things are
size_t indirect_symbol_size() const { return IndirectSymbols.size(); }
/// @}
- /// @name Linker Option List Access
+ /// \name Linker Option List Access
/// @{
- std::vector<std::vector<std::string> > &getLinkerOptions() {
+ std::vector<std::vector<std::string>> &getLinkerOptions() {
return LinkerOptions;
}
/// @}
- /// @name Data Region List Access
+ /// \name Data Region List Access
/// @{
// FIXME: This is a total hack, this should not be here. Once things are
// factored so that the streamer has direct access to the .o writer, it can
// disappear.
- std::vector<DataRegionData> &getDataRegions() {
- return DataRegions;
- }
+ std::vector<DataRegionData> &getDataRegions() { return DataRegions; }
- data_region_iterator data_region_begin() {
- return DataRegions.begin();
- }
+ data_region_iterator data_region_begin() { return DataRegions.begin(); }
const_data_region_iterator data_region_begin() const {
return DataRegions.begin();
}
- data_region_iterator data_region_end() {
- return DataRegions.end();
- }
+ data_region_iterator data_region_end() { return DataRegions.end(); }
const_data_region_iterator data_region_end() const {
return DataRegions.end();
}
size_t data_region_size() const { return DataRegions.size(); }
/// @}
- /// @name Data Region List Access
+ /// \name Data Region List Access
/// @{
// FIXME: This is a total hack, this should not be here. Once things are
// factored so that the streamer has direct access to the .o writer, it can
// disappear.
- MCLOHContainer & getLOHContainer() {
- return LOHContainer;
- }
- const MCLOHContainer & getLOHContainer() const {
+ MCLOHContainer &getLOHContainer() { return LOHContainer; }
+ const MCLOHContainer &getLOHContainer() const {
return const_cast<MCAssembler *>(this)->getLOHContainer();
}
/// @}
- /// @name Backend Data Access
+ /// \name Backend Data Access
/// @{
MCSectionData &getSectionData(const MCSection &Section) const {
return *Entry;
}
- MCSectionData &getOrCreateSectionData(const MCSection &Section,
+ MCSectionData &getOrCreateSectionData(MCSection &Section,
bool *Created = nullptr) {
MCSectionData *&Entry = SectionMap[&Section];
- if (Created) *Created = !Entry;
+ if (Created)
+ *Created = !Entry;
if (!Entry)
Entry = new MCSectionData(Section, this);
return *Entry;
}
- bool hasSymbolData(const MCSymbol &Symbol) const {
- return SymbolMap.lookup(&Symbol) != nullptr;
- }
+ bool hasSymbolData(const MCSymbol &Symbol) const { return Symbol.hasData(); }
MCSymbolData &getSymbolData(const MCSymbol &Symbol) {
return const_cast<MCSymbolData &>(
}
const MCSymbolData &getSymbolData(const MCSymbol &Symbol) const {
- MCSymbolData *Entry = SymbolMap.lookup(&Symbol);
- assert(Entry && "Missing symbol data!");
- return *Entry;
+ return Symbol.getData();
}
MCSymbolData &getOrCreateSymbolData(const MCSymbol &Symbol,
bool *Created = nullptr) {
- MCSymbolData *&Entry = SymbolMap[&Symbol];
-
- if (Created) *Created = !Entry;
- if (!Entry)
- Entry = new MCSymbolData(Symbol, nullptr, 0, this);
-
- return *Entry;
+ if (Created)
+ *Created = !hasSymbolData(Symbol);
+ if (!hasSymbolData(Symbol)) {
+ Symbol.initializeData();
+ Symbols.push_back(&Symbol);
+ }
+ return Symbol.getData();
}
const_file_name_iterator file_names_begin() const {
return FileNames.begin();
}
- const_file_name_iterator file_names_end() const {
- return FileNames.end();
- }
+ const_file_name_iterator file_names_end() const { return FileNames.end(); }
void addFileName(StringRef FileName) {
if (std::find(file_names_begin(), file_names_end(), FileName) ==
FileNames.push_back(FileName);
}
+ /// \brief Write the necessary bundle padding to the given object writer.
+ /// Expects a fragment \p F containing instructions and its size \p FSize.
+ void writeFragmentPadding(const MCFragment &F, uint64_t FSize,
+ MCObjectWriter *OW) const;
+
/// @}
void dump();
};
+/// \brief Compute the amount of padding required before the fragment \p F to
+/// obey bundling restrictions, where \p FOffset is the fragment's offset in
+/// its section and \p FSize is the fragment's size.
+uint64_t computeBundlePadding(const MCAssembler &Assembler, const MCFragment *F,
+ uint64_t FOffset, uint64_t FSize);
+
} // end namespace llvm
#endif
projects / oota-llvm.git / blobdiff