#define LLVM_MC_MCEXPR_H
#include "llvm/ADT/DenseMap.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/SMLoc.h"
+#include <cstdint>
namespace llvm {
+
class MCAsmInfo;
class MCAsmLayout;
class MCAssembler;
class MCValue;
class raw_ostream;
class StringRef;
-typedef DenseMap<const MCSection *, uint64_t> SectionAddrMap;
-/// \brief Base class for the full range of assembler expressions which are
+using SectionAddrMap = DenseMap<const MCSection *, uint64_t>;
+
+/// Base class for the full range of assembler expressions which are
/// needed for parsing.
class MCExpr {
public:
private:
ExprKind Kind;
-
- MCExpr(const MCExpr&) = delete;
- void operator=(const MCExpr&) = delete;
+ SMLoc Loc;
bool evaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm,
const MCAsmLayout *Layout,
const SectionAddrMap *Addrs, bool InSet) const;
protected:
- explicit MCExpr(ExprKind Kind) : Kind(Kind) {}
+ explicit MCExpr(ExprKind Kind, SMLoc Loc) : Kind(Kind), Loc(Loc) {}
bool evaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
const MCAsmLayout *Layout,
const SectionAddrMap *Addrs, bool InSet) const;
public:
+ MCExpr(const MCExpr &) = delete;
+ MCExpr &operator=(const MCExpr &) = delete;
+
/// \name Accessors
/// @{
ExprKind getKind() const { return Kind; }
+ SMLoc getLoc() const { return Loc; }
/// @}
/// \name Utility Methods
/// @{
- void print(raw_ostream &OS, const MCAsmInfo *MAI) const;
+ void print(raw_ostream &OS, const MCAsmInfo *MAI,
+ bool InParens = false) const;
void dump() const;
/// @}
/// \name Expression Evaluation
/// @{
- /// \brief Try to evaluate the expression to an absolute value.
+ /// Try to evaluate the expression to an absolute value.
///
/// \param Res - The absolute value, if evaluation succeeds.
/// \param Layout - The assembler layout object to use for evaluating symbol
const SectionAddrMap &Addrs) const;
bool evaluateAsAbsolute(int64_t &Res) const;
bool evaluateAsAbsolute(int64_t &Res, const MCAssembler &Asm) const;
+ bool evaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm) const;
bool evaluateAsAbsolute(int64_t &Res, const MCAsmLayout &Layout) const;
bool evaluateKnownAbsolute(int64_t &Res, const MCAsmLayout &Layout) const;
- /// \brief Try to evaluate the expression to a relocatable value, i.e. an
+ /// Try to evaluate the expression to a relocatable value, i.e. an
/// expression of the fixed form (a - b + constant).
///
/// \param Res - The relocatable value, if evaluation succeeds.
bool evaluateAsRelocatable(MCValue &Res, const MCAsmLayout *Layout,
const MCFixup *Fixup) const;
- /// \brief Try to evaluate the expression to the form (a - b + constant) where
+ /// Try to evaluate the expression to the form (a - b + constant) where
/// neither a nor b are variables.
///
/// This is a more aggressive variant of evaluateAsRelocatable. The intended
/// use is for when relocations are not available, like the .size directive.
bool evaluateAsValue(MCValue &Res, const MCAsmLayout &Layout) const;
- /// \brief Find the "associated section" for this expression, which is
+ /// Find the "associated section" for this expression, which is
/// currently defined as the absolute section for constants, or
/// otherwise the section associated with the first defined symbol in the
/// expression.
return OS;
}
-//// \brief Represent a constant integer expression.
+//// Represent a constant integer expression.
class MCConstantExpr : public MCExpr {
int64_t Value;
explicit MCConstantExpr(int64_t Value)
- : MCExpr(MCExpr::Constant), Value(Value) {}
+ : MCExpr(MCExpr::Constant, SMLoc()), Value(Value) {}
public:
/// \name Construction
}
};
-/// \brief Represent a reference to a symbol from inside an expression.
+/// Represent a reference to a symbol from inside an expression.
///
/// A symbol reference in an expression may be a use of a label, a use of an
/// assembler variable (defined constant), or constitute an implicit definition
VK_GOT,
VK_GOTOFF,
+ VK_GOTREL,
VK_GOTPCREL,
VK_GOTTPOFF,
VK_INDNTPOFF,
VK_TLSLDM,
VK_TPOFF,
VK_DTPOFF,
+ VK_TLSCALL, // symbol(tlscall)
+ VK_TLSDESC, // symbol(tlsdesc)
VK_TLVP, // Mach-O thread local variable relocations
VK_TLVPPAGE,
VK_TLVPPAGEOFF,
VK_SIZE, // symbol@SIZE
VK_WEAKREF, // The link between the symbols in .weakref foo, bar
+ VK_X86_ABS8,
+
VK_ARM_NONE,
VK_ARM_GOT_PREL,
VK_ARM_TARGET1,
VK_ARM_PREL31,
VK_ARM_SBREL, // symbol(sbrel)
VK_ARM_TLSLDO, // symbol(tlsldo)
- VK_ARM_TLSCALL, // symbol(tlscall)
- VK_ARM_TLSDESC, // symbol(tlsdesc)
VK_ARM_TLSDESCSEQ,
+ VK_AVR_NONE,
+ VK_AVR_LO8,
+ VK_AVR_HI8,
+ VK_AVR_HLO8,
+ VK_AVR_DIFF8,
+ VK_AVR_DIFF16,
+ VK_AVR_DIFF32,
+
VK_PPC_LO, // symbol@l
VK_PPC_HI, // symbol@h
VK_PPC_HA, // symbol@ha
+ VK_PPC_HIGH, // symbol@high
+ VK_PPC_HIGHA, // symbol@higha
VK_PPC_HIGHER, // symbol@higher
VK_PPC_HIGHERA, // symbol@highera
VK_PPC_HIGHEST, // symbol@highest
VK_PPC_TOC_HI, // symbol@toc@h
VK_PPC_TOC_HA, // symbol@toc@ha
VK_PPC_DTPMOD, // symbol@dtpmod
- VK_PPC_TPREL, // symbol@tprel
VK_PPC_TPREL_LO, // symbol@tprel@l
VK_PPC_TPREL_HI, // symbol@tprel@h
VK_PPC_TPREL_HA, // symbol@tprel@ha
+ VK_PPC_TPREL_HIGH, // symbol@tprel@high
+ VK_PPC_TPREL_HIGHA, // symbol@tprel@higha
VK_PPC_TPREL_HIGHER, // symbol@tprel@higher
VK_PPC_TPREL_HIGHERA, // symbol@tprel@highera
VK_PPC_TPREL_HIGHEST, // symbol@tprel@highest
VK_PPC_TPREL_HIGHESTA, // symbol@tprel@highesta
- VK_PPC_DTPREL, // symbol@dtprel
VK_PPC_DTPREL_LO, // symbol@dtprel@l
VK_PPC_DTPREL_HI, // symbol@dtprel@h
VK_PPC_DTPREL_HA, // symbol@dtprel@ha
+ VK_PPC_DTPREL_HIGH, // symbol@dtprel@high
+ VK_PPC_DTPREL_HIGHA, // symbol@dtprel@higha
VK_PPC_DTPREL_HIGHER, // symbol@dtprel@higher
VK_PPC_DTPREL_HIGHERA, // symbol@dtprel@highera
VK_PPC_DTPREL_HIGHEST, // symbol@dtprel@highest
VK_PPC_TLSLD, // symbol@tlsld
VK_PPC_LOCAL, // symbol@local
- VK_Mips_GPREL,
- VK_Mips_GOT_CALL,
- VK_Mips_GOT16,
- VK_Mips_GOT,
- VK_Mips_ABS_HI,
- VK_Mips_ABS_LO,
- VK_Mips_TLSGD,
- VK_Mips_TLSLDM,
- VK_Mips_DTPREL_HI,
- VK_Mips_DTPREL_LO,
- VK_Mips_GOTTPREL,
- VK_Mips_TPREL_HI,
- VK_Mips_TPREL_LO,
- VK_Mips_GPOFF_HI,
- VK_Mips_GPOFF_LO,
- VK_Mips_GOT_DISP,
- VK_Mips_GOT_PAGE,
- VK_Mips_GOT_OFST,
- VK_Mips_HIGHER,
- VK_Mips_HIGHEST,
- VK_Mips_GOT_HI16,
- VK_Mips_GOT_LO16,
- VK_Mips_CALL_HI16,
- VK_Mips_CALL_LO16,
- VK_Mips_PCREL_HI16,
- VK_Mips_PCREL_LO16,
-
VK_COFF_IMGREL32, // symbol@imgrel (image-relative)
VK_Hexagon_PCREL,
VK_Hexagon_IE_GOT,
VK_WebAssembly_FUNCTION, // Function table index, rather than virtual addr
+ VK_WebAssembly_TYPEINDEX,// Type table index
+
+ VK_AMDGPU_GOTPCREL32_LO, // symbol@gotpcrel32@lo
+ VK_AMDGPU_GOTPCREL32_HI, // symbol@gotpcrel32@hi
+ VK_AMDGPU_REL32_LO, // symbol@rel32@lo
+ VK_AMDGPU_REL32_HI, // symbol@rel32@hi
+ VK_AMDGPU_REL64, // symbol@rel64
VK_TPREL,
VK_DTPREL
const MCSymbol *Symbol;
explicit MCSymbolRefExpr(const MCSymbol *Symbol, VariantKind Kind,
- const MCAsmInfo *MAI);
+ const MCAsmInfo *MAI, SMLoc Loc = SMLoc());
public:
/// \name Construction
}
static const MCSymbolRefExpr *create(const MCSymbol *Symbol, VariantKind Kind,
- MCContext &Ctx);
+ MCContext &Ctx, SMLoc Loc = SMLoc());
static const MCSymbolRefExpr *create(StringRef Name, VariantKind Kind,
MCContext &Ctx);
}
};
-/// \brief Unary assembler expressions.
+/// Unary assembler expressions.
class MCUnaryExpr : public MCExpr {
public:
enum Opcode {
Opcode Op;
const MCExpr *Expr;
- MCUnaryExpr(Opcode Op, const MCExpr *Expr)
- : MCExpr(MCExpr::Unary), Op(Op), Expr(Expr) {}
+ MCUnaryExpr(Opcode Op, const MCExpr *Expr, SMLoc Loc)
+ : MCExpr(MCExpr::Unary, Loc), Op(Op), Expr(Expr) {}
public:
/// \name Construction
/// @{
static const MCUnaryExpr *create(Opcode Op, const MCExpr *Expr,
- MCContext &Ctx);
- static const MCUnaryExpr *createLNot(const MCExpr *Expr, MCContext &Ctx) {
- return create(LNot, Expr, Ctx);
+ MCContext &Ctx, SMLoc Loc = SMLoc());
+
+ static const MCUnaryExpr *createLNot(const MCExpr *Expr, MCContext &Ctx, SMLoc Loc = SMLoc()) {
+ return create(LNot, Expr, Ctx, Loc);
}
- static const MCUnaryExpr *createMinus(const MCExpr *Expr, MCContext &Ctx) {
- return create(Minus, Expr, Ctx);
+
+ static const MCUnaryExpr *createMinus(const MCExpr *Expr, MCContext &Ctx, SMLoc Loc = SMLoc()) {
+ return create(Minus, Expr, Ctx, Loc);
}
- static const MCUnaryExpr *createNot(const MCExpr *Expr, MCContext &Ctx) {
- return create(Not, Expr, Ctx);
+
+ static const MCUnaryExpr *createNot(const MCExpr *Expr, MCContext &Ctx, SMLoc Loc = SMLoc()) {
+ return create(Not, Expr, Ctx, Loc);
}
- static const MCUnaryExpr *createPlus(const MCExpr *Expr, MCContext &Ctx) {
- return create(Plus, Expr, Ctx);
+
+ static const MCUnaryExpr *createPlus(const MCExpr *Expr, MCContext &Ctx, SMLoc Loc = SMLoc()) {
+ return create(Plus, Expr, Ctx, Loc);
}
/// @}
/// \name Accessors
/// @{
- /// \brief Get the kind of this unary expression.
+ /// Get the kind of this unary expression.
Opcode getOpcode() const { return Op; }
- /// \brief Get the child of this unary expression.
+ /// Get the child of this unary expression.
const MCExpr *getSubExpr() const { return Expr; }
/// @}
}
};
-/// \brief Binary assembler expressions.
+/// Binary assembler expressions.
class MCBinaryExpr : public MCExpr {
public:
enum Opcode {
Opcode Op;
const MCExpr *LHS, *RHS;
- MCBinaryExpr(Opcode Op, const MCExpr *LHS, const MCExpr *RHS)
- : MCExpr(MCExpr::Binary), Op(Op), LHS(LHS), RHS(RHS) {}
+ MCBinaryExpr(Opcode Op, const MCExpr *LHS, const MCExpr *RHS,
+ SMLoc Loc = SMLoc())
+ : MCExpr(MCExpr::Binary, Loc), Op(Op), LHS(LHS), RHS(RHS) {}
public:
/// \name Construction
/// @{
static const MCBinaryExpr *create(Opcode Op, const MCExpr *LHS,
- const MCExpr *RHS, MCContext &Ctx);
+ const MCExpr *RHS, MCContext &Ctx,
+ SMLoc Loc = SMLoc());
+
static const MCBinaryExpr *createAdd(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(Add, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createAnd(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(And, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createDiv(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(Div, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createEQ(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(EQ, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createGT(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(GT, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createGTE(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(GTE, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createLAnd(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(LAnd, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createLOr(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(LOr, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createLT(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(LT, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createLTE(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(LTE, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createMod(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(Mod, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createMul(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(Mul, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createNE(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(NE, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createOr(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(Or, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createShl(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(Shl, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createAShr(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(AShr, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createLShr(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(LShr, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createSub(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(Sub, LHS, RHS, Ctx);
}
+
static const MCBinaryExpr *createXor(const MCExpr *LHS, const MCExpr *RHS,
MCContext &Ctx) {
return create(Xor, LHS, RHS, Ctx);
/// \name Accessors
/// @{
- /// \brief Get the kind of this binary expression.
+ /// Get the kind of this binary expression.
Opcode getOpcode() const { return Op; }
- /// \brief Get the left-hand side expression of the binary operator.
+ /// Get the left-hand side expression of the binary operator.
const MCExpr *getLHS() const { return LHS; }
- /// \brief Get the right-hand side expression of the binary operator.
+ /// Get the right-hand side expression of the binary operator.
const MCExpr *getRHS() const { return RHS; }
/// @}
}
};
-/// \brief This is an extension point for target-specific MCExpr subclasses to
+/// This is an extension point for target-specific MCExpr subclasses to
/// implement.
///
/// NOTE: All subclasses are required to have trivial destructors because
/// MCExprs are bump pointer allocated and not destructed.
class MCTargetExpr : public MCExpr {
virtual void anchor();
+
protected:
- MCTargetExpr() : MCExpr(Target) {}
- virtual ~MCTargetExpr() {}
+ MCTargetExpr() : MCExpr(Target, SMLoc()) {}
+ virtual ~MCTargetExpr() = default;
+
public:
virtual void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const = 0;
virtual bool evaluateAsRelocatableImpl(MCValue &Res,
const MCAsmLayout *Layout,
const MCFixup *Fixup) const = 0;
+ // allow Target Expressions to be checked for equality
+ virtual bool isEqualTo(const MCExpr *x) const { return false; }
+ // This should be set when assigned expressions are not valid ".set"
+ // expressions, e.g. registers, and must be inlined.
+ virtual bool inlineAssignedExpr() const { return false; }
virtual void visitUsedExpr(MCStreamer& Streamer) const = 0;
virtual MCFragment *findAssociatedFragment() const = 0;
} // end namespace llvm
-#endif
+#endif // LLVM_MC_MCEXPR_H
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