#include "llvm/Support/DataTypes.h"
namespace llvm {
+class MCAsmInfo;
class MCAsmLayout;
class MCAssembler;
class MCContext;
+class MCFixup;
class MCSection;
class MCSectionData;
+class MCStreamer;
class MCSymbol;
class MCValue;
class raw_ostream;
bool EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
const MCAsmLayout *Layout,
- const SectionAddrMap *Addrs,
- bool InSet) const;
+ const MCFixup *Fixup,
+ const SectionAddrMap *Addrs, bool InSet,
+ bool ForceVarExpansion) const;
+
public:
/// @name Accessors
/// @{
///
/// @param Res - The relocatable value, if evaluation succeeds.
/// @param Layout - The assembler layout object to use for evaluating values.
+ /// @param Fixup - The Fixup object if available.
/// @result - True on success.
- bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout &Layout) const;
+ bool EvaluateAsRelocatable(MCValue &Res, const MCAsmLayout *Layout,
+ const MCFixup *Fixup) const;
+
+ /// \brief 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 symbol value in
+ /// the symbol table.
+ bool EvaluateAsValue(MCValue &Res, const MCAsmLayout *Layout,
+ const MCFixup *Fixup) const;
/// FindAssociatedSection - Find the "associated section" for this expression,
/// which is currently defined as the absolute section for constants, or
VK_TLSLDM,
VK_TPOFF,
VK_DTPOFF,
- VK_TLVP, // Mach-O thread local variable relocation
+ VK_TLVP, // Mach-O thread local variable relocations
+ VK_TLVPPAGE,
+ VK_TLVPPAGEOFF,
+ VK_PAGE,
+ VK_PAGEOFF,
+ VK_GOTPAGE,
+ VK_GOTPAGEOFF,
VK_SECREL,
- // FIXME: We'd really like to use the generic Kinds listed above for these.
- VK_ARM_PLT, // ARM-style PLT references. i.e., (PLT) instead of @PLT
- VK_ARM_TLSGD, // ditto for TLSGD, GOT, GOTOFF, TPOFF and GOTTPOFF
- VK_ARM_GOT,
- VK_ARM_GOTOFF,
- VK_ARM_TPOFF,
- VK_ARM_GOTTPOFF,
- VK_ARM_TARGET1,
+ VK_WEAKREF, // The link between the symbols in .weakref foo, bar
- VK_PPC_TOC, // TOC base
- VK_PPC_TOC_ENTRY, // TOC entry
- VK_PPC_DARWIN_HA16, // ha16(symbol)
- VK_PPC_DARWIN_LO16, // lo16(symbol)
- VK_PPC_GAS_HA16, // symbol@ha
- VK_PPC_GAS_LO16, // symbol@l
- VK_PPC_TPREL16_HA, // symbol@tprel@ha
- VK_PPC_TPREL16_LO, // symbol@tprel@l
+ VK_ARM_NONE,
+ VK_ARM_TARGET1,
+ VK_ARM_TARGET2,
+ VK_ARM_PREL31,
+ VK_ARM_TLSLDO, // symbol(tlsldo)
+ VK_ARM_TLSCALL, // symbol(tlscall)
+ VK_ARM_TLSDESC, // symbol(tlsdesc)
+ VK_ARM_TLSDESCSEQ,
+
+ VK_PPC_LO, // symbol@l
+ VK_PPC_HI, // symbol@h
+ VK_PPC_HA, // symbol@ha
+ VK_PPC_HIGHER, // symbol@higher
+ VK_PPC_HIGHERA, // symbol@highera
+ VK_PPC_HIGHEST, // symbol@highest
+ VK_PPC_HIGHESTA, // symbol@highesta
+ VK_PPC_GOT_LO, // symbol@got@l
+ VK_PPC_GOT_HI, // symbol@got@h
+ VK_PPC_GOT_HA, // symbol@got@ha
+ VK_PPC_TOCBASE, // symbol@tocbase
+ VK_PPC_TOC, // symbol@toc
+ VK_PPC_TOC_LO, // symbol@toc@l
+ 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_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_HIGHER, // symbol@dtprel@higher
+ VK_PPC_DTPREL_HIGHERA, // symbol@dtprel@highera
+ VK_PPC_DTPREL_HIGHEST, // symbol@dtprel@highest
+ VK_PPC_DTPREL_HIGHESTA,// symbol@dtprel@highesta
+ VK_PPC_GOT_TPREL, // symbol@got@tprel
+ VK_PPC_GOT_TPREL_LO, // symbol@got@tprel@l
+ VK_PPC_GOT_TPREL_HI, // symbol@got@tprel@h
+ VK_PPC_GOT_TPREL_HA, // symbol@got@tprel@ha
+ VK_PPC_GOT_DTPREL, // symbol@got@dtprel
+ VK_PPC_GOT_DTPREL_LO, // symbol@got@dtprel@l
+ VK_PPC_GOT_DTPREL_HI, // symbol@got@dtprel@h
+ VK_PPC_GOT_DTPREL_HA, // symbol@got@dtprel@ha
+ VK_PPC_TLS, // symbol@tls
+ VK_PPC_GOT_TLSGD, // symbol@got@tlsgd
+ VK_PPC_GOT_TLSGD_LO, // symbol@got@tlsgd@l
+ VK_PPC_GOT_TLSGD_HI, // symbol@got@tlsgd@h
+ VK_PPC_GOT_TLSGD_HA, // symbol@got@tlsgd@ha
+ VK_PPC_TLSGD, // symbol@tlsgd
+ VK_PPC_GOT_TLSLD, // symbol@got@tlsld
+ VK_PPC_GOT_TLSLD_LO, // symbol@got@tlsld@l
+ VK_PPC_GOT_TLSLD_HI, // symbol@got@tlsld@h
+ VK_PPC_GOT_TLSLD_HA, // symbol@got@tlsld@ha
+ VK_PPC_TLSLD, // symbol@tlsld
VK_Mips_GPREL,
VK_Mips_GOT_CALL,
VK_Mips_GOT_PAGE,
VK_Mips_GOT_OFST,
VK_Mips_HIGHER,
- VK_Mips_HIGHEST
+ 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)
};
private:
/// The symbol reference modifier.
const VariantKind Kind;
- explicit MCSymbolRefExpr(const MCSymbol *_Symbol, VariantKind _Kind)
- : MCExpr(MCExpr::SymbolRef), Symbol(_Symbol), Kind(_Kind) {
+ /// MCAsmInfo that is used to print symbol variants correctly.
+ const MCAsmInfo *MAI;
+
+ explicit MCSymbolRefExpr(const MCSymbol *_Symbol, VariantKind _Kind,
+ const MCAsmInfo *_MAI)
+ : MCExpr(MCExpr::SymbolRef), Symbol(_Symbol), Kind(_Kind), MAI(_MAI) {
assert(Symbol);
+ assert(MAI);
}
public:
/// @{
const MCSymbol &getSymbol() const { return *Symbol; }
+ const MCAsmInfo &getMCAsmInfo() const { return *MAI; }
VariantKind getKind() const { return Kind; }
virtual void PrintImpl(raw_ostream &OS) const = 0;
virtual bool EvaluateAsRelocatableImpl(MCValue &Res,
- const MCAsmLayout *Layout) const = 0;
- virtual void AddValueSymbols(MCAssembler *) const = 0;
+ const MCAsmLayout *Layout,
+ const MCFixup *Fixup) const = 0;
+ virtual void visitUsedExpr(MCStreamer& Streamer) const = 0;
virtual const MCSection *FindAssociatedSection() const = 0;
+ virtual void fixELFSymbolsInTLSFixups(MCAssembler &) const = 0;
+
static bool classof(const MCExpr *E) {
return E->getKind() == MCExpr::Target;
}
projects / oota-llvm.git / blobdiff