136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines//===------ PPCDisassembler.cpp - Disassembler for PowerPC ------*- C++ -*-===// 236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines// 336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines// The LLVM Compiler Infrastructure 436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines// 536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines// This file is distributed under the University of Illinois Open Source 636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines// License. See LICENSE.TXT for details. 736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines// 836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines//===----------------------------------------------------------------------===// 936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 1036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "PPC.h" 1136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/MC/MCDisassembler.h" 1236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/MC/MCFixedLenDisassembler.h" 1336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/MC/MCInst.h" 1436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/MC/MCSubtargetInfo.h" 1536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/Support/MemoryObject.h" 1636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/Support/TargetRegistry.h" 1736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 1836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesusing namespace llvm; 1936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 20dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines#define DEBUG_TYPE "ppc-disassembler" 21dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 2236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinestypedef MCDisassembler::DecodeStatus DecodeStatus; 2336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 2436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesnamespace { 2536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesclass PPCDisassembler : public MCDisassembler { 2636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinespublic: 27dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines PPCDisassembler(const MCSubtargetInfo &STI, MCContext &Ctx) 28dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines : MCDisassembler(STI, Ctx) {} 2936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines virtual ~PPCDisassembler() {} 3036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 3136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Override MCDisassembler. 3236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines virtual DecodeStatus getInstruction(MCInst &instr, 3336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t &size, 3436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const MemoryObject ®ion, 3536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t address, 3636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines raw_ostream &vStream, 3736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines raw_ostream &cStream) const override; 3836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 3936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} // end anonymous namespace 4036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 4136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic MCDisassembler *createPPCDisassembler(const Target &T, 42dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines const MCSubtargetInfo &STI, 43dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines MCContext &Ctx) { 44dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return new PPCDisassembler(STI, Ctx); 4536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 4636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 4736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesextern "C" void LLVMInitializePowerPCDisassembler() { 4836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Register the disassembler for each target. 4936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines TargetRegistry::RegisterMCDisassembler(ThePPC32Target, 5036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines createPPCDisassembler); 5136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines TargetRegistry::RegisterMCDisassembler(ThePPC64Target, 5236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines createPPCDisassembler); 5336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines TargetRegistry::RegisterMCDisassembler(ThePPC64LETarget, 5436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines createPPCDisassembler); 5536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 5636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 5736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines// FIXME: These can be generated by TableGen from the existing register 5836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines// encoding values! 5936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 6036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned CRRegs[] = { 6136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR0, PPC::CR1, PPC::CR2, PPC::CR3, 6236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR4, PPC::CR5, PPC::CR6, PPC::CR7 6336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 6436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 6536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned CRBITRegs[] = { 6636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR0LT, PPC::CR0GT, PPC::CR0EQ, PPC::CR0UN, 6736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR1LT, PPC::CR1GT, PPC::CR1EQ, PPC::CR1UN, 6836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR2LT, PPC::CR2GT, PPC::CR2EQ, PPC::CR2UN, 6936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR3LT, PPC::CR3GT, PPC::CR3EQ, PPC::CR3UN, 7036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR4LT, PPC::CR4GT, PPC::CR4EQ, PPC::CR4UN, 7136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR5LT, PPC::CR5GT, PPC::CR5EQ, PPC::CR5UN, 7236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR6LT, PPC::CR6GT, PPC::CR6EQ, PPC::CR6UN, 7336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::CR7LT, PPC::CR7GT, PPC::CR7EQ, PPC::CR7UN 7436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 7536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 7636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned FRegs[] = { 7736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F0, PPC::F1, PPC::F2, PPC::F3, 7836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F4, PPC::F5, PPC::F6, PPC::F7, 7936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F8, PPC::F9, PPC::F10, PPC::F11, 8036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F12, PPC::F13, PPC::F14, PPC::F15, 8136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F16, PPC::F17, PPC::F18, PPC::F19, 8236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F20, PPC::F21, PPC::F22, PPC::F23, 8336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F24, PPC::F25, PPC::F26, PPC::F27, 8436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F28, PPC::F29, PPC::F30, PPC::F31 8536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 8636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 8736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned VRegs[] = { 8836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::V0, PPC::V1, PPC::V2, PPC::V3, 8936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::V4, PPC::V5, PPC::V6, PPC::V7, 9036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::V8, PPC::V9, PPC::V10, PPC::V11, 9136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::V12, PPC::V13, PPC::V14, PPC::V15, 9236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::V16, PPC::V17, PPC::V18, PPC::V19, 9336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::V20, PPC::V21, PPC::V22, PPC::V23, 9436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::V24, PPC::V25, PPC::V26, PPC::V27, 9536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::V28, PPC::V29, PPC::V30, PPC::V31 9636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 9736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 9836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned VSRegs[] = { 9936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSL0, PPC::VSL1, PPC::VSL2, PPC::VSL3, 10036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSL4, PPC::VSL5, PPC::VSL6, PPC::VSL7, 10136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSL8, PPC::VSL9, PPC::VSL10, PPC::VSL11, 10236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSL12, PPC::VSL13, PPC::VSL14, PPC::VSL15, 10336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSL16, PPC::VSL17, PPC::VSL18, PPC::VSL19, 10436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSL20, PPC::VSL21, PPC::VSL22, PPC::VSL23, 10536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSL24, PPC::VSL25, PPC::VSL26, PPC::VSL27, 10636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSL28, PPC::VSL29, PPC::VSL30, PPC::VSL31, 10736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 10836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSH0, PPC::VSH1, PPC::VSH2, PPC::VSH3, 10936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSH4, PPC::VSH5, PPC::VSH6, PPC::VSH7, 11036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSH8, PPC::VSH9, PPC::VSH10, PPC::VSH11, 11136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSH12, PPC::VSH13, PPC::VSH14, PPC::VSH15, 11236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSH16, PPC::VSH17, PPC::VSH18, PPC::VSH19, 11336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSH20, PPC::VSH21, PPC::VSH22, PPC::VSH23, 11436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSH24, PPC::VSH25, PPC::VSH26, PPC::VSH27, 11536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VSH28, PPC::VSH29, PPC::VSH30, PPC::VSH31 11636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 11736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 11836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned VSFRegs[] = { 11936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F0, PPC::F1, PPC::F2, PPC::F3, 12036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F4, PPC::F5, PPC::F6, PPC::F7, 12136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F8, PPC::F9, PPC::F10, PPC::F11, 12236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F12, PPC::F13, PPC::F14, PPC::F15, 12336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F16, PPC::F17, PPC::F18, PPC::F19, 12436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F20, PPC::F21, PPC::F22, PPC::F23, 12536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F24, PPC::F25, PPC::F26, PPC::F27, 12636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::F28, PPC::F29, PPC::F30, PPC::F31, 12736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 12836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VF0, PPC::VF1, PPC::VF2, PPC::VF3, 12936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VF4, PPC::VF5, PPC::VF6, PPC::VF7, 13036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VF8, PPC::VF9, PPC::VF10, PPC::VF11, 13136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VF12, PPC::VF13, PPC::VF14, PPC::VF15, 13236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VF16, PPC::VF17, PPC::VF18, PPC::VF19, 13336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VF20, PPC::VF21, PPC::VF22, PPC::VF23, 13436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VF24, PPC::VF25, PPC::VF26, PPC::VF27, 13536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::VF28, PPC::VF29, PPC::VF30, PPC::VF31 13636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 13736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 13836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned GPRegs[] = { 13936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R0, PPC::R1, PPC::R2, PPC::R3, 14036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R4, PPC::R5, PPC::R6, PPC::R7, 14136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R8, PPC::R9, PPC::R10, PPC::R11, 14236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R12, PPC::R13, PPC::R14, PPC::R15, 14336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R16, PPC::R17, PPC::R18, PPC::R19, 14436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R20, PPC::R21, PPC::R22, PPC::R23, 14536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R24, PPC::R25, PPC::R26, PPC::R27, 14636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R28, PPC::R29, PPC::R30, PPC::R31 14736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 14836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 14936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned GP0Regs[] = { 15036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::ZERO, PPC::R1, PPC::R2, PPC::R3, 15136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R4, PPC::R5, PPC::R6, PPC::R7, 15236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R8, PPC::R9, PPC::R10, PPC::R11, 15336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R12, PPC::R13, PPC::R14, PPC::R15, 15436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R16, PPC::R17, PPC::R18, PPC::R19, 15536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R20, PPC::R21, PPC::R22, PPC::R23, 15636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R24, PPC::R25, PPC::R26, PPC::R27, 15736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::R28, PPC::R29, PPC::R30, PPC::R31 15836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 15936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 16036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic const unsigned G8Regs[] = { 16136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::X0, PPC::X1, PPC::X2, PPC::X3, 16236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::X4, PPC::X5, PPC::X6, PPC::X7, 16336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::X8, PPC::X9, PPC::X10, PPC::X11, 16436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::X12, PPC::X13, PPC::X14, PPC::X15, 16536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::X16, PPC::X17, PPC::X18, PPC::X19, 16636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::X20, PPC::X21, PPC::X22, PPC::X23, 16736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::X24, PPC::X25, PPC::X26, PPC::X27, 16836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines PPC::X28, PPC::X29, PPC::X30, PPC::X31 16936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines}; 17036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 17136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinestemplate <std::size_t N> 17236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus decodeRegisterClass(MCInst &Inst, uint64_t RegNo, 17336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const unsigned (&Regs)[N]) { 17436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines assert(RegNo < N && "Invalid register number"); 17536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateReg(Regs[RegNo])); 17636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return MCDisassembler::Success; 17736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 17836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 17936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeCRRCRegisterClass(MCInst &Inst, uint64_t RegNo, 18036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 18136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 18236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, CRRegs); 18336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 18436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 18536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeCRBITRCRegisterClass(MCInst &Inst, uint64_t RegNo, 18636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 18736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 18836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, CRBITRegs); 18936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 19036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 19136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeF4RCRegisterClass(MCInst &Inst, uint64_t RegNo, 19236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 19336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 19436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, FRegs); 19536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 19636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 19736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeF8RCRegisterClass(MCInst &Inst, uint64_t RegNo, 19836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 19936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 20036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, FRegs); 20136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 20236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 20336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeVRRCRegisterClass(MCInst &Inst, uint64_t RegNo, 20436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 20536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 20636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, VRegs); 20736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 20836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 20936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeVSRCRegisterClass(MCInst &Inst, uint64_t RegNo, 21036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 21136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 21236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, VSRegs); 21336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 21436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 21536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeVSFRCRegisterClass(MCInst &Inst, uint64_t RegNo, 21636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 21736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 21836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, VSFRegs); 21936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 22036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 22136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeGPRCRegisterClass(MCInst &Inst, uint64_t RegNo, 22236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 22336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 22436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, GPRegs); 22536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 22636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 22736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeGPRC_NOR0RegisterClass(MCInst &Inst, uint64_t RegNo, 22836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 22936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 23036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, GP0Regs); 23136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 23236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 23336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus DecodeG8RCRegisterClass(MCInst &Inst, uint64_t RegNo, 23436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 23536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const void *Decoder) { 23636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeRegisterClass(Inst, RegNo, G8Regs); 23736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 23836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 23936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#define DecodePointerLikeRegClass0 DecodeGPRCRegisterClass 24036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#define DecodePointerLikeRegClass1 DecodeGPRC_NOR0RegisterClass 24136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 24236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinestemplate<unsigned N> 24336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus decodeUImmOperand(MCInst &Inst, uint64_t Imm, 24436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines int64_t Address, const void *Decoder) { 24536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines assert(isUInt<N>(Imm) && "Invalid immediate"); 24636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateImm(Imm)); 24736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return MCDisassembler::Success; 24836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 24936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 25036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinestemplate<unsigned N> 25136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus decodeSImmOperand(MCInst &Inst, uint64_t Imm, 25236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines int64_t Address, const void *Decoder) { 25336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines assert(isUInt<N>(Imm) && "Invalid immediate"); 25436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateImm(SignExtend64<N>(Imm))); 25536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return MCDisassembler::Success; 25636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 25736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 25836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus decodeMemRIOperands(MCInst &Inst, uint64_t Imm, 25936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines int64_t Address, const void *Decoder) { 26036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Decode the memri field (imm, reg), which has the low 16-bits as the 26136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // displacement and the next 5 bits as the register #. 26236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 26336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Base = Imm >> 16; 26436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Disp = Imm & 0xFFFF; 26536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 26636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines assert(Base < 32 && "Invalid base register"); 26736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 26836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines switch (Inst.getOpcode()) { 26936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines default: break; 27036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::LBZU: 27136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::LHAU: 27236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::LHZU: 27336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::LWZU: 27436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::LFSU: 27536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::LFDU: 27636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Add the tied output operand. 27736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateReg(GP0Regs[Base])); 27836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines break; 27936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::STBU: 28036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::STHU: 28136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::STWU: 28236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::STFSU: 28336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines case PPC::STFDU: 28436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.insert(Inst.begin(), MCOperand::CreateReg(GP0Regs[Base])); 28536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines break; 28636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } 28736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 28836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateImm(SignExtend64<16>(Disp))); 28936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateReg(GP0Regs[Base])); 29036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return MCDisassembler::Success; 29136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 29236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 29336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus decodeMemRIXOperands(MCInst &Inst, uint64_t Imm, 29436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines int64_t Address, const void *Decoder) { 29536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Decode the memrix field (imm, reg), which has the low 14-bits as the 29636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // displacement and the next 5 bits as the register #. 29736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 29836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Base = Imm >> 14; 29936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Disp = Imm & 0x3FFF; 30036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 30136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines assert(Base < 32 && "Invalid base register"); 30236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 30336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (Inst.getOpcode() == PPC::LDU) 30436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Add the tied output operand. 30536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateReg(GP0Regs[Base])); 30636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines else if (Inst.getOpcode() == PPC::STDU) 30736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.insert(Inst.begin(), MCOperand::CreateReg(GP0Regs[Base])); 30836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 30936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateImm(SignExtend64<16>(Disp << 2))); 31036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateReg(GP0Regs[Base])); 31136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return MCDisassembler::Success; 31236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 31336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 31436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic DecodeStatus decodeCRBitMOperand(MCInst &Inst, uint64_t Imm, 31536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines int64_t Address, const void *Decoder) { 31636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // The cr bit encoding is 0x80 >> cr_reg_num. 31736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 31836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines unsigned Zeros = countTrailingZeros(Imm); 31936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines assert(Zeros < 8 && "Invalid CR bit value"); 32036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 32136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Inst.addOperand(MCOperand::CreateReg(CRRegs[7 - Zeros])); 32236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return MCDisassembler::Success; 32336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 32436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 32536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "PPCGenDisassemblerTables.inc" 32636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 32736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen HinesDecodeStatus PPCDisassembler::getInstruction(MCInst &MI, uint64_t &Size, 32836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines const MemoryObject &Region, 32936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint64_t Address, 33036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines raw_ostream &os, 33136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines raw_ostream &cs) const { 33236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // Get the four bytes of the instruction. 33336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint8_t Bytes[4]; 33436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Size = 4; 33536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (Region.readBytes(Address, Size, Bytes) == -1) { 33636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines Size = 0; 33736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return MCDisassembler::Fail; 33836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } 33936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 34036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines // The instruction is big-endian encoded. 34136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines uint32_t Inst = (Bytes[0] << 24) | 34236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines (Bytes[1] << 16) | 34336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines (Bytes[2] << 8) | 34436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines (Bytes[3] << 0); 34536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 34636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return decodeInstruction(DecoderTable32, MI, Inst, Address, this, STI); 34736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines} 34836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 349