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Diffstat (limited to 'lib/Target/ARM64/MCTargetDesc/ARM64MCExpr.h')
| -rw-r--r-- | lib/Target/ARM64/MCTargetDesc/ARM64MCExpr.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/lib/Target/ARM64/MCTargetDesc/ARM64MCExpr.h b/lib/Target/ARM64/MCTargetDesc/ARM64MCExpr.h deleted file mode 100644 index a33fe43..0000000 --- a/lib/Target/ARM64/MCTargetDesc/ARM64MCExpr.h +++ /dev/null @@ -1,162 +0,0 @@ -//=---- ARM64MCExpr.h - ARM64 specific MC expression classes ------*- C++ -*-=// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file describes ARM64-specific MCExprs, used for modifiers like -// ":lo12:" or ":gottprel_g1:". -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_ARM64MCEXPR_H -#define LLVM_ARM64MCEXPR_H - -#include "llvm/MC/MCExpr.h" -#include "llvm/Support/ErrorHandling.h" - -namespace llvm { - -class ARM64MCExpr : public MCTargetExpr { -public: - enum VariantKind { - VK_NONE = 0x000, - - // Symbol locations specifying (roughly speaking) what calculation should be - // performed to construct the final address for the relocated - // symbol. E.g. direct, via the GOT, ... - VK_ABS = 0x001, - VK_SABS = 0x002, - VK_GOT = 0x003, - VK_DTPREL = 0x004, - VK_GOTTPREL = 0x005, - VK_TPREL = 0x006, - VK_TLSDESC = 0x007, - VK_SymLocBits = 0x00f, - - // Variants specifying which part of the final address calculation is - // used. E.g. the low 12 bits for an ADD/LDR, the middle 16 bits for a - // MOVZ/MOVK. - VK_PAGE = 0x010, - VK_PAGEOFF = 0x020, - VK_G0 = 0x030, - VK_G1 = 0x040, - VK_G2 = 0x050, - VK_G3 = 0x060, - VK_AddressFragBits = 0x0f0, - - // Whether the final relocation is a checked one (where a linker should - // perform a range-check on the final address) or not. Note that this field - // is unfortunately sometimes omitted from the assembly syntax. E.g. :lo12: - // on its own is a non-checked relocation. We side with ELF on being - // explicit about this! - VK_NC = 0x100, - - // Convenience definitions for referring to specific textual representations - // of relocation specifiers. Note that this means the "_NC" is sometimes - // omitted in line with assembly syntax here (VK_LO12 rather than VK_LO12_NC - // since a user would write ":lo12:"). - VK_CALL = VK_ABS, - VK_ABS_PAGE = VK_ABS | VK_PAGE, - VK_ABS_G3 = VK_ABS | VK_G3, - VK_ABS_G2 = VK_ABS | VK_G2, - VK_ABS_G2_NC = VK_ABS | VK_G2 | VK_NC, - VK_ABS_G1 = VK_ABS | VK_G1, - VK_ABS_G1_NC = VK_ABS | VK_G1 | VK_NC, - VK_ABS_G0 = VK_ABS | VK_G0, - VK_ABS_G0_NC = VK_ABS | VK_G0 | VK_NC, - VK_LO12 = VK_ABS | VK_PAGEOFF | VK_NC, - VK_GOT_LO12 = VK_GOT | VK_PAGEOFF | VK_NC, - VK_GOT_PAGE = VK_GOT | VK_PAGE, - VK_DTPREL_G2 = VK_DTPREL | VK_G2, - VK_DTPREL_G1 = VK_DTPREL | VK_G1, - VK_DTPREL_G1_NC = VK_DTPREL | VK_G1 | VK_NC, - VK_DTPREL_G0 = VK_DTPREL | VK_G0, - VK_DTPREL_G0_NC = VK_DTPREL | VK_G0 | VK_NC, - VK_DTPREL_LO12 = VK_DTPREL | VK_PAGEOFF, - VK_DTPREL_LO12_NC = VK_DTPREL | VK_PAGEOFF | VK_NC, - VK_GOTTPREL_PAGE = VK_GOTTPREL | VK_PAGE, - VK_GOTTPREL_LO12_NC = VK_GOTTPREL | VK_PAGEOFF | VK_NC, - VK_GOTTPREL_G1 = VK_GOTTPREL | VK_G1, - VK_GOTTPREL_G0_NC = VK_GOTTPREL | VK_G0 | VK_NC, - VK_TPREL_G2 = VK_TPREL | VK_G2, - VK_TPREL_G1 = VK_TPREL | VK_G1, - VK_TPREL_G1_NC = VK_TPREL | VK_G1 | VK_NC, - VK_TPREL_G0 = VK_TPREL | VK_G0, - VK_TPREL_G0_NC = VK_TPREL | VK_G0 | VK_NC, - VK_TPREL_LO12 = VK_TPREL | VK_PAGEOFF, - VK_TPREL_LO12_NC = VK_TPREL | VK_PAGEOFF | VK_NC, - VK_TLSDESC_LO12 = VK_TLSDESC | VK_PAGEOFF | VK_NC, - VK_TLSDESC_PAGE = VK_TLSDESC | VK_PAGE, - - VK_INVALID = 0xfff - }; - -private: - const MCExpr *Expr; - const VariantKind Kind; - - explicit ARM64MCExpr(const MCExpr *Expr, VariantKind Kind) - : Expr(Expr), Kind(Kind) {} - -public: - /// @name Construction - /// @{ - - static const ARM64MCExpr *Create(const MCExpr *Expr, VariantKind Kind, - MCContext &Ctx); - - /// @} - /// @name Accessors - /// @{ - - /// Get the kind of this expression. - VariantKind getKind() const { return static_cast<VariantKind>(Kind); } - - /// Get the expression this modifier applies to. - const MCExpr *getSubExpr() const { return Expr; } - - /// @} - /// @name VariantKind information extractors. - /// @{ - - static VariantKind getSymbolLoc(VariantKind Kind) { - return static_cast<VariantKind>(Kind & VK_SymLocBits); - } - - static VariantKind getAddressFrag(VariantKind Kind) { - return static_cast<VariantKind>(Kind & VK_AddressFragBits); - } - - static bool isNotChecked(VariantKind Kind) { return Kind & VK_NC; } - - /// @} - - /// Convert the variant kind into an ELF-appropriate modifier - /// (e.g. ":got:", ":lo12:"). - StringRef getVariantKindName() const; - - void PrintImpl(raw_ostream &OS) const; - - void AddValueSymbols(MCAssembler *) const; - - const MCSection *FindAssociatedSection() const; - - bool EvaluateAsRelocatableImpl(MCValue &Res, - const MCAsmLayout *Layout) const; - - void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const; - - static bool classof(const MCExpr *E) { - return E->getKind() == MCExpr::Target; - } - - static bool classof(const ARM64MCExpr *) { return true; } - -}; -} // end namespace llvm - -#endif |