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//===- AMDGPUDisassembler.hpp - Disassembler for AMDGPU ISA -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file
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///
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/// This file contains declaration for AMDGPU ISA disassembler
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_AMDGPU_DISASSEMBLER_AMDGPUDISASSEMBLER_H
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#define LLVM_LIB_TARGET_AMDGPU_DISASSEMBLER_AMDGPUDISASSEMBLER_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCDisassembler/MCDisassembler.h"
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#include "llvm/MC/MCDisassembler/MCRelocationInfo.h"
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#include "llvm/MC/MCDisassembler/MCSymbolizer.h"
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#include <algorithm>
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#include <cstdint>
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#include <memory>
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namespace llvm {
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class MCInst;
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class MCOperand;
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class MCSubtargetInfo;
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class Twine;
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//===----------------------------------------------------------------------===//
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// AMDGPUDisassembler
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//===----------------------------------------------------------------------===//
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class AMDGPUDisassembler : public MCDisassembler {
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private:
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std::unique_ptr<MCInstrInfo const> const MCII;
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const MCRegisterInfo &MRI;
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mutable ArrayRef<uint8_t> Bytes;
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mutable uint32_t Literal;
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mutable bool HasLiteral;
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public:
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AMDGPUDisassembler(const MCSubtargetInfo &STI, MCContext &Ctx,
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MCInstrInfo const *MCII) :
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MCDisassembler(STI, Ctx), MCII(MCII), MRI(*Ctx.getRegisterInfo()) {}
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~AMDGPUDisassembler() override = default;
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DecodeStatus getInstruction(MCInst &MI, uint64_t &Size,
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ArrayRef<uint8_t> Bytes, uint64_t Address,
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raw_ostream &WS, raw_ostream &CS) const override;
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const char* getRegClassName(unsigned RegClassID) const;
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MCOperand createRegOperand(unsigned int RegId) const;
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MCOperand createRegOperand(unsigned RegClassID, unsigned Val) const;
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MCOperand createSRegOperand(unsigned SRegClassID, unsigned Val) const;
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MCOperand errOperand(unsigned V, const Twine& ErrMsg) const;
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DecodeStatus tryDecodeInst(const uint8_t* Table, MCInst &MI, uint64_t Inst,
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uint64_t Address) const;
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DecodeStatus convertSDWAInst(MCInst &MI) const;
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DecodeStatus convertMIMGInst(MCInst &MI) const;
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MCOperand decodeOperand_VGPR_32(unsigned Val) const;
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MCOperand decodeOperand_VS_32(unsigned Val) const;
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MCOperand decodeOperand_VS_64(unsigned Val) const;
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MCOperand decodeOperand_VS_128(unsigned Val) const;
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MCOperand decodeOperand_VSrc16(unsigned Val) const;
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MCOperand decodeOperand_VSrcV216(unsigned Val) const;
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MCOperand decodeOperand_VReg_64(unsigned Val) const;
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MCOperand decodeOperand_VReg_96(unsigned Val) const;
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MCOperand decodeOperand_VReg_128(unsigned Val) const;
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MCOperand decodeOperand_SReg_32(unsigned Val) const;
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MCOperand decodeOperand_SReg_32_XM0_XEXEC(unsigned Val) const;
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MCOperand decodeOperand_SReg_32_XEXEC_HI(unsigned Val) const;
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MCOperand decodeOperand_SReg_64(unsigned Val) const;
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MCOperand decodeOperand_SReg_64_XEXEC(unsigned Val) const;
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MCOperand decodeOperand_SReg_128(unsigned Val) const;
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MCOperand decodeOperand_SReg_256(unsigned Val) const;
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MCOperand decodeOperand_SReg_512(unsigned Val) const;
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enum OpWidthTy {
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OPW32,
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OPW64,
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OPW128,
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OPW256,
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OPW512,
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OPW16,
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OPWV216,
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OPW_LAST_,
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OPW_FIRST_ = OPW32
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};
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unsigned getVgprClassId(const OpWidthTy Width) const;
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unsigned getSgprClassId(const OpWidthTy Width) const;
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unsigned getTtmpClassId(const OpWidthTy Width) const;
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static MCOperand decodeIntImmed(unsigned Imm);
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static MCOperand decodeFPImmed(OpWidthTy Width, unsigned Imm);
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MCOperand decodeLiteralConstant() const;
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MCOperand decodeSrcOp(const OpWidthTy Width, unsigned Val) const;
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MCOperand decodeDstOp(const OpWidthTy Width, unsigned Val) const;
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MCOperand decodeSpecialReg32(unsigned Val) const;
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MCOperand decodeSpecialReg64(unsigned Val) const;
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MCOperand decodeSDWASrc(const OpWidthTy Width, unsigned Val) const;
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MCOperand decodeSDWASrc16(unsigned Val) const;
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MCOperand decodeSDWASrc32(unsigned Val) const;
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MCOperand decodeSDWAVopcDst(unsigned Val) const;
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int getTTmpIdx(unsigned Val) const;
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bool isVI() const;
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bool isGFX9() const;
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};
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//===----------------------------------------------------------------------===//
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// AMDGPUSymbolizer
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//===----------------------------------------------------------------------===//
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class AMDGPUSymbolizer : public MCSymbolizer {
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private:
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void *DisInfo;
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public:
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AMDGPUSymbolizer(MCContext &Ctx, std::unique_ptr<MCRelocationInfo> &&RelInfo,
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void *disInfo)
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: MCSymbolizer(Ctx, std::move(RelInfo)), DisInfo(disInfo) {}
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bool tryAddingSymbolicOperand(MCInst &Inst, raw_ostream &cStream,
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int64_t Value, uint64_t Address,
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bool IsBranch, uint64_t Offset,
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uint64_t InstSize) override;
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void tryAddingPcLoadReferenceComment(raw_ostream &cStream,
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int64_t Value,
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uint64_t Address) override;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_AMDGPU_DISASSEMBLER_AMDGPUDISASSEMBLER_H
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@ -1,7 +0,0 @@
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include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
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add_llvm_library(LLVMAMDGPUDisassembler
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AMDGPUDisassembler.cpp
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)
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add_dependencies(LLVMAMDGPUDisassembler AMDGPUCommonTableGen LLVMAMDGPUUtils)
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@ -1,23 +0,0 @@
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;===- ./lib/Target/AMDGPU/Disassembler/LLVMBuild.txt ------------*- Conf -*--===;
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;
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; The LLVM Compiler Infrastructure
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;
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; This file is distributed under the University of Illinois Open Source
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; License. See LICENSE.TXT for details.
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;
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;===------------------------------------------------------------------------===;
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;
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; This is an LLVMBuild description file for the components in this subdirectory.
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;
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; For more information on the LLVMBuild system, please see:
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;
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; http://llvm.org/docs/LLVMBuild.html
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;
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;===------------------------------------------------------------------------===;
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[component_0]
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type = Library
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name = AMDGPUDisassembler
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parent = AMDGPU
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required_libraries = AMDGPUDesc AMDGPUInfo AMDGPUUtils MC MCDisassembler Support
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add_to_library_groups = AMDGPU
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