X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCDisassembler.h;h=d6b0a305b1daee90e9b7c5295135b37260551c70;hb=0f4df6dc6f0811556687bc59f8f34b6343078293;hp=e82b0c12291393ac2d677ee7d7475f3c524fb7ea;hpb=de7cbbfcce5c068f0699bdcb6dac093c0c91ba6f;p=oota-llvm.git diff --git a/include/llvm/MC/MCDisassembler.h b/include/llvm/MC/MCDisassembler.h index e82b0c12291..d6b0a305b1d 100644 --- a/include/llvm/MC/MCDisassembler.h +++ b/include/llvm/MC/MCDisassembler.h @@ -10,21 +10,20 @@ #define LLVM_MC_MCDISASSEMBLER_H #include "llvm-c/Disassembler.h" -#include "llvm/ADT/OwningPtr.h" -#include "llvm/MC/MCSymbolizer.h" +#include "llvm/ADT/ArrayRef.h" #include "llvm/MC/MCRelocationInfo.h" +#include "llvm/MC/MCSymbolizer.h" #include "llvm/Support/DataTypes.h" namespace llvm { class MCInst; class MCSubtargetInfo; -class MemoryObject; class raw_ostream; class MCContext; -/// MCDisassembler - Superclass for all disassemblers. Consumes a memory region -/// and provides an array of assembly instructions. +/// Superclass for all disassemblers. Consumes a memory region and provides an +/// array of assembly instructions. class MCDisassembler { public: /// Ternary decode status. Most backends will just use Fail and @@ -55,54 +54,38 @@ public: Success = 3 }; - /// Constructor - Performs initial setup for the disassembler. - MCDisassembler(const MCSubtargetInfo &STI) : GetOpInfo(0), SymbolLookUp(0), - DisInfo(0), Ctx(0), - STI(STI), Symbolizer(0), - CommentStream(0) {} + MCDisassembler(const MCSubtargetInfo &STI, MCContext &Ctx) + : Ctx(Ctx), STI(STI), Symbolizer(), CommentStream(nullptr) {} virtual ~MCDisassembler(); - /// getInstruction - Returns the disassembly of a single instruction. + /// Returns the disassembly of a single instruction. /// - /// @param instr - An MCInst to populate with the contents of the + /// @param Instr - An MCInst to populate with the contents of the /// instruction. - /// @param size - A value to populate with the size of the instruction, or + /// @param Size - A value to populate with the size of the instruction, or /// the number of bytes consumed while attempting to decode /// an invalid instruction. - /// @param region - The memory object to use as a source for machine code. - /// @param address - The address, in the memory space of region, of the first + /// @param Address - The address, in the memory space of region, of the first /// byte of the instruction. - /// @param vStream - The stream to print warnings and diagnostic messages on. - /// @param cStream - The stream to print comments and annotations on. + /// @param VStream - The stream to print warnings and diagnostic messages on. + /// @param CStream - The stream to print comments and annotations on. /// @return - MCDisassembler::Success if the instruction is valid, /// MCDisassembler::SoftFail if the instruction was /// disassemblable but invalid, /// MCDisassembler::Fail if the instruction was invalid. - virtual DecodeStatus getInstruction(MCInst& instr, - uint64_t& size, - const MemoryObject ®ion, - uint64_t address, - raw_ostream &vStream, - raw_ostream &cStream) const = 0; + virtual DecodeStatus getInstruction(MCInst &Instr, uint64_t &Size, + ArrayRef Bytes, uint64_t Address, + raw_ostream &VStream, + raw_ostream &CStream) const = 0; + private: - // - // Hooks for symbolic disassembly via the public 'C' interface. - // - // The function to get the symbolic information for operands. - LLVMOpInfoCallback GetOpInfo; - // The function to lookup a symbol name. - LLVMSymbolLookupCallback SymbolLookUp; - // The pointer to the block of symbolic information for above call back. - void *DisInfo; - // The assembly context for creating symbols and MCExprs in place of - // immediate operands when there is symbolic information. - MCContext *Ctx; + MCContext &Ctx; protected: // Subtarget information, for instruction decoding predicates if required. const MCSubtargetInfo &STI; - OwningPtr Symbolizer; + std::unique_ptr Symbolizer; public: // Helpers around MCSymbolizer @@ -115,21 +98,11 @@ public: /// Set \p Symzer as the current symbolizer. /// This takes ownership of \p Symzer, and deletes the previously set one. - void setSymbolizer(OwningPtr &Symzer); - - /// Sets up an external symbolizer that uses the C API callbacks. - void setupForSymbolicDisassembly(LLVMOpInfoCallback GetOpInfo, - LLVMSymbolLookupCallback SymbolLookUp, - void *DisInfo, - MCContext *Ctx, - OwningPtr &RelInfo); - - LLVMOpInfoCallback getLLVMOpInfoCallback() const { return GetOpInfo; } - LLVMSymbolLookupCallback getLLVMSymbolLookupCallback() const { - return SymbolLookUp; - } - void *getDisInfoBlock() const { return DisInfo; } - MCContext *getMCContext() const { return Ctx; } + void setSymbolizer(std::unique_ptr Symzer); + + MCContext& getContext() const { return Ctx; } + + const MCSubtargetInfo& getSubtargetInfo() const { return STI; } // Marked mutable because we cache it inside the disassembler, rather than // having to pass it around as an argument through all the autogenerated code.