1833a003da082ab0db343e0e640069dfc6813e7d6Nick Lewycky//===-- lib/MC/Disassembler.cpp - Disassembler Public C Interface ---------===// 293f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 393f79364351650b58172522ae8346153a3c67a5cKevin Enderby// The LLVM Compiler Infrastructure 493f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 593f79364351650b58172522ae8346153a3c67a5cKevin Enderby// This file is distributed under the University of Illinois Open Source 693f79364351650b58172522ae8346153a3c67a5cKevin Enderby// License. See LICENSE.TXT for details. 793f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 893f79364351650b58172522ae8346153a3c67a5cKevin Enderby//===----------------------------------------------------------------------===// 997ff42d51dc9e4ec8c4a6c2439b230bba1877553Chris Lattner 1093f79364351650b58172522ae8346153a3c67a5cKevin Enderby#include "Disassembler.h" 1193f79364351650b58172522ae8346153a3c67a5cKevin Enderby#include "llvm-c/Disassembler.h" 1293f79364351650b58172522ae8346153a3c67a5cKevin Enderby#include "llvm/MC/MCAsmInfo.h" 134c8164813c1be51f6797fda6826bdf3665f2a7d1Evan Cheng#include "llvm/MC/MCContext.h" 1493f79364351650b58172522ae8346153a3c67a5cKevin Enderby#include "llvm/MC/MCDisassembler.h" 1593f79364351650b58172522ae8346153a3c67a5cKevin Enderby#include "llvm/MC/MCInst.h" 1693f79364351650b58172522ae8346153a3c67a5cKevin Enderby#include "llvm/MC/MCInstPrinter.h" 1755e79804226f1da02ec880c120671ff930e3dbe4Sean Callanan#include "llvm/MC/MCInstrInfo.h" 184c8164813c1be51f6797fda6826bdf3665f2a7d1Evan Cheng#include "llvm/MC/MCRegisterInfo.h" 192c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha#include "llvm/MC/MCRelocationInfo.h" 2055e79804226f1da02ec880c120671ff930e3dbe4Sean Callanan#include "llvm/MC/MCSubtargetInfo.h" 21de7cbbfcce5c068f0699bdcb6dac093c0c91ba6fQuentin Colombet#include "llvm/MC/MCSymbolizer.h" 22d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/Support/ErrorHandling.h" 2393f79364351650b58172522ae8346153a3c67a5cKevin Enderby#include "llvm/Support/MemoryObject.h" 243e74d6fdd248e20a280f1dff3da9a6c689c2c4c3Evan Cheng#include "llvm/Support/TargetRegistry.h" 2593f79364351650b58172522ae8346153a3c67a5cKevin Enderby 2693f79364351650b58172522ae8346153a3c67a5cKevin Enderbynamespace llvm { 2793f79364351650b58172522ae8346153a3c67a5cKevin Enderbyclass Target; 2893f79364351650b58172522ae8346153a3c67a5cKevin Enderby} // namespace llvm 2993f79364351650b58172522ae8346153a3c67a5cKevin Enderbyusing namespace llvm; 3093f79364351650b58172522ae8346153a3c67a5cKevin Enderby 3193f79364351650b58172522ae8346153a3c67a5cKevin Enderby// LLVMCreateDisasm() creates a disassembler for the TripleName. Symbolic 3293f79364351650b58172522ae8346153a3c67a5cKevin Enderby// disassembly is supported by passing a block of information in the DisInfo 3397ff42d51dc9e4ec8c4a6c2439b230bba1877553Chris Lattner// parameter and specifying the TagType and callback functions as described in 3493f79364351650b58172522ae8346153a3c67a5cKevin Enderby// the header llvm-c/Disassembler.h . The pointer to the block and the 3597ff42d51dc9e4ec8c4a6c2439b230bba1877553Chris Lattner// functions can all be passed as NULL. If successful, this returns a 3697ff42d51dc9e4ec8c4a6c2439b230bba1877553Chris Lattner// disassembler context. If not, it returns NULL. 3793f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 3868a590df13f47180abd3022aa75f237ae993770fJim GrosbachLLVMDisasmContextRef LLVMCreateDisasmCPU(const char *Triple, const char *CPU, 3968a590df13f47180abd3022aa75f237ae993770fJim Grosbach void *DisInfo, int TagType, 4068a590df13f47180abd3022aa75f237ae993770fJim Grosbach LLVMOpInfoCallback GetOpInfo, 4168a590df13f47180abd3022aa75f237ae993770fJim Grosbach LLVMSymbolLookupCallback SymbolLookUp){ 4293f79364351650b58172522ae8346153a3c67a5cKevin Enderby // Get the target. 4393f79364351650b58172522ae8346153a3c67a5cKevin Enderby std::string Error; 4468a590df13f47180abd3022aa75f237ae993770fJim Grosbach const Target *TheTarget = TargetRegistry::lookupTarget(Triple, Error); 45b737702efd96d2902c7063152747e8f193aa1fbcKevin Enderby if (!TheTarget) 46b737702efd96d2902c7063152747e8f193aa1fbcKevin Enderby return 0; 4793f79364351650b58172522ae8346153a3c67a5cKevin Enderby 484a971705bc6030dc2e4338b3cd5cffa2e0f88b7bRafael Espindola const MCRegisterInfo *MRI = TheTarget->createMCRegInfo(Triple); 494a971705bc6030dc2e4338b3cd5cffa2e0f88b7bRafael Espindola if (!MRI) 504a971705bc6030dc2e4338b3cd5cffa2e0f88b7bRafael Espindola return 0; 514a971705bc6030dc2e4338b3cd5cffa2e0f88b7bRafael Espindola 5293f79364351650b58172522ae8346153a3c67a5cKevin Enderby // Get the assembler info needed to setup the MCContext. 534a971705bc6030dc2e4338b3cd5cffa2e0f88b7bRafael Espindola const MCAsmInfo *MAI = TheTarget->createMCAsmInfo(*MRI, Triple); 542ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby if (!MAI) 552ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby return 0; 5693f79364351650b58172522ae8346153a3c67a5cKevin Enderby 5717463b3ef1a3d39b10619254f12e806c8c43f9e7Craig Topper const MCInstrInfo *MII = TheTarget->createMCInstrInfo(); 582ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby if (!MII) 592ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby return 0; 6017463b3ef1a3d39b10619254f12e806c8c43f9e7Craig Topper 6193f79364351650b58172522ae8346153a3c67a5cKevin Enderby // Package up features to be passed to target/subtarget 6293f79364351650b58172522ae8346153a3c67a5cKevin Enderby std::string FeaturesStr; 6393f79364351650b58172522ae8346153a3c67a5cKevin Enderby 6468a590df13f47180abd3022aa75f237ae993770fJim Grosbach const MCSubtargetInfo *STI = TheTarget->createMCSubtargetInfo(Triple, CPU, 65b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy FeaturesStr); 662ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby if (!STI) 672ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby return 0; 68b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy 6993f79364351650b58172522ae8346153a3c67a5cKevin Enderby // Set up the MCContext for creating symbols and MCExpr's. 7099cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling MCContext *Ctx = new MCContext(MAI, MRI, 0); 712ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby if (!Ctx) 722ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby return 0; 7393f79364351650b58172522ae8346153a3c67a5cKevin Enderby 7493f79364351650b58172522ae8346153a3c67a5cKevin Enderby // Set up disassembler. 75b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy MCDisassembler *DisAsm = TheTarget->createMCDisassembler(*STI); 762ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby if (!DisAsm) 772ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby return 0; 782c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha 792c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha OwningPtr<MCRelocationInfo> RelInfo( 802c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha TheTarget->createMCRelocationInfo(Triple, *Ctx)); 812c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha if (!RelInfo) 822c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha return 0; 832c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha 84de7cbbfcce5c068f0699bdcb6dac093c0c91ba6fQuentin Colombet OwningPtr<MCSymbolizer> Symbolizer( 85de7cbbfcce5c068f0699bdcb6dac093c0c91ba6fQuentin Colombet TheTarget->createMCSymbolizer(Triple, GetOpInfo, SymbolLookUp, DisInfo, 86de7cbbfcce5c068f0699bdcb6dac093c0c91ba6fQuentin Colombet Ctx, RelInfo.take())); 87de7cbbfcce5c068f0699bdcb6dac093c0c91ba6fQuentin Colombet DisAsm->setSymbolizer(Symbolizer); 882c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha DisAsm->setupForSymbolicDisassembly(GetOpInfo, SymbolLookUp, DisInfo, 892c94d0faa0e1c268893d5e04dc77e8a35889db00Ahmed Bougacha Ctx, RelInfo); 9093f79364351650b58172522ae8346153a3c67a5cKevin Enderby // Set up the instruction printer. 9193f79364351650b58172522ae8346153a3c67a5cKevin Enderby int AsmPrinterVariant = MAI->getAssemblerDialect(); 92b262799d49891b036daa00eddf51947487346c98Evan Cheng MCInstPrinter *IP = TheTarget->createMCInstPrinter(AsmPrinterVariant, 9317463b3ef1a3d39b10619254f12e806c8c43f9e7Craig Topper *MAI, *MII, *MRI, *STI); 942ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby if (!IP) 952ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby return 0; 9693f79364351650b58172522ae8346153a3c67a5cKevin Enderby 9768a590df13f47180abd3022aa75f237ae993770fJim Grosbach LLVMDisasmContext *DC = new LLVMDisasmContext(Triple, DisInfo, TagType, 9893f79364351650b58172522ae8346153a3c67a5cKevin Enderby GetOpInfo, SymbolLookUp, 99203576aa0cb9d8bf2d2e4d910ebab4b7a63262aeEvan Cheng TheTarget, MAI, MRI, 10055e79804226f1da02ec880c120671ff930e3dbe4Sean Callanan STI, MII, Ctx, DisAsm, IP); 1012ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby if (!DC) 1022ee69f1be6473bef40862f4c55e0b33d141c6380Kevin Enderby return 0; 1038f29e6969eb99410b9914bcb5ee2d9a125f07f88Owen Anderson 10493f79364351650b58172522ae8346153a3c67a5cKevin Enderby return DC; 10593f79364351650b58172522ae8346153a3c67a5cKevin Enderby} 10693f79364351650b58172522ae8346153a3c67a5cKevin Enderby 10768a590df13f47180abd3022aa75f237ae993770fJim GrosbachLLVMDisasmContextRef LLVMCreateDisasm(const char *Triple, void *DisInfo, 10868a590df13f47180abd3022aa75f237ae993770fJim Grosbach int TagType, LLVMOpInfoCallback GetOpInfo, 10968a590df13f47180abd3022aa75f237ae993770fJim Grosbach LLVMSymbolLookupCallback SymbolLookUp) { 11068a590df13f47180abd3022aa75f237ae993770fJim Grosbach return LLVMCreateDisasmCPU(Triple, "", DisInfo, TagType, GetOpInfo, 11168a590df13f47180abd3022aa75f237ae993770fJim Grosbach SymbolLookUp); 11268a590df13f47180abd3022aa75f237ae993770fJim Grosbach} 11368a590df13f47180abd3022aa75f237ae993770fJim Grosbach 11493f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 11593f79364351650b58172522ae8346153a3c67a5cKevin Enderby// LLVMDisasmDispose() disposes of the disassembler specified by the context. 11693f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 11793f79364351650b58172522ae8346153a3c67a5cKevin Enderbyvoid LLVMDisasmDispose(LLVMDisasmContextRef DCR){ 11893f79364351650b58172522ae8346153a3c67a5cKevin Enderby LLVMDisasmContext *DC = (LLVMDisasmContext *)DCR; 11993f79364351650b58172522ae8346153a3c67a5cKevin Enderby delete DC; 12093f79364351650b58172522ae8346153a3c67a5cKevin Enderby} 12193f79364351650b58172522ae8346153a3c67a5cKevin Enderby 12293f79364351650b58172522ae8346153a3c67a5cKevin Enderbynamespace { 12393f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 12493f79364351650b58172522ae8346153a3c67a5cKevin Enderby// The memory object created by LLVMDisasmInstruction(). 12593f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 12693f79364351650b58172522ae8346153a3c67a5cKevin Enderbyclass DisasmMemoryObject : public MemoryObject { 12793f79364351650b58172522ae8346153a3c67a5cKevin Enderby uint8_t *Bytes; 12893f79364351650b58172522ae8346153a3c67a5cKevin Enderby uint64_t Size; 12993f79364351650b58172522ae8346153a3c67a5cKevin Enderby uint64_t BasePC; 13093f79364351650b58172522ae8346153a3c67a5cKevin Enderbypublic: 13193f79364351650b58172522ae8346153a3c67a5cKevin Enderby DisasmMemoryObject(uint8_t *bytes, uint64_t size, uint64_t basePC) : 13293f79364351650b58172522ae8346153a3c67a5cKevin Enderby Bytes(bytes), Size(size), BasePC(basePC) {} 13393f79364351650b58172522ae8346153a3c67a5cKevin Enderby 13493f79364351650b58172522ae8346153a3c67a5cKevin Enderby uint64_t getBase() const { return BasePC; } 135adef06a71458ded0716935a61b3d43d164d4df12Derek Schuff uint64_t getExtent() const { return Size; } 13693f79364351650b58172522ae8346153a3c67a5cKevin Enderby 137adef06a71458ded0716935a61b3d43d164d4df12Derek Schuff int readByte(uint64_t Addr, uint8_t *Byte) const { 13893f79364351650b58172522ae8346153a3c67a5cKevin Enderby if (Addr - BasePC >= Size) 13993f79364351650b58172522ae8346153a3c67a5cKevin Enderby return -1; 14093f79364351650b58172522ae8346153a3c67a5cKevin Enderby *Byte = Bytes[Addr - BasePC]; 14193f79364351650b58172522ae8346153a3c67a5cKevin Enderby return 0; 14293f79364351650b58172522ae8346153a3c67a5cKevin Enderby } 14393f79364351650b58172522ae8346153a3c67a5cKevin Enderby}; 14497ff42d51dc9e4ec8c4a6c2439b230bba1877553Chris Lattner} // end anonymous namespace 14593f79364351650b58172522ae8346153a3c67a5cKevin Enderby 14693f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 1475731ff636b87abf648ceea51c404d6ae6b27f65fBenjamin Kramer// LLVMDisasmInstruction() disassembles a single instruction using the 14893f79364351650b58172522ae8346153a3c67a5cKevin Enderby// disassembler context specified in the parameter DC. The bytes of the 1495731ff636b87abf648ceea51c404d6ae6b27f65fBenjamin Kramer// instruction are specified in the parameter Bytes, and contains at least 15093f79364351650b58172522ae8346153a3c67a5cKevin Enderby// BytesSize number of bytes. The instruction is at the address specified by 15193f79364351650b58172522ae8346153a3c67a5cKevin Enderby// the PC parameter. If a valid instruction can be disassembled its string is 15293f79364351650b58172522ae8346153a3c67a5cKevin Enderby// returned indirectly in OutString which whos size is specified in the 15393f79364351650b58172522ae8346153a3c67a5cKevin Enderby// parameter OutStringSize. This function returns the number of bytes in the 15493f79364351650b58172522ae8346153a3c67a5cKevin Enderby// instruction or zero if there was no valid instruction. If this function 15593f79364351650b58172522ae8346153a3c67a5cKevin Enderby// returns zero the caller will have to pick how many bytes they want to step 15693f79364351650b58172522ae8346153a3c67a5cKevin Enderby// over by printing a .byte, .long etc. to continue. 15793f79364351650b58172522ae8346153a3c67a5cKevin Enderby// 15893f79364351650b58172522ae8346153a3c67a5cKevin Enderbysize_t LLVMDisasmInstruction(LLVMDisasmContextRef DCR, uint8_t *Bytes, 15993f79364351650b58172522ae8346153a3c67a5cKevin Enderby uint64_t BytesSize, uint64_t PC, char *OutString, 16093f79364351650b58172522ae8346153a3c67a5cKevin Enderby size_t OutStringSize){ 16193f79364351650b58172522ae8346153a3c67a5cKevin Enderby LLVMDisasmContext *DC = (LLVMDisasmContext *)DCR; 16293f79364351650b58172522ae8346153a3c67a5cKevin Enderby // Wrap the pointer to the Bytes, BytesSize and PC in a MemoryObject. 16393f79364351650b58172522ae8346153a3c67a5cKevin Enderby DisasmMemoryObject MemoryObject(Bytes, BytesSize, PC); 16493f79364351650b58172522ae8346153a3c67a5cKevin Enderby 16593f79364351650b58172522ae8346153a3c67a5cKevin Enderby uint64_t Size; 16693f79364351650b58172522ae8346153a3c67a5cKevin Enderby MCInst Inst; 16793f79364351650b58172522ae8346153a3c67a5cKevin Enderby const MCDisassembler *DisAsm = DC->getDisAsm(); 16893f79364351650b58172522ae8346153a3c67a5cKevin Enderby MCInstPrinter *IP = DC->getIP(); 169ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy MCDisassembler::DecodeStatus S; 170ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy S = DisAsm->getInstruction(Inst, Size, MemoryObject, PC, 17198c5ddabca1debf935a07d14d0cbc9732374bdb8Owen Anderson /*REMOVE*/ nulls(), DC->CommentStream); 172ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy switch (S) { 173ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy case MCDisassembler::Fail: 174ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy case MCDisassembler::SoftFail: 175c047dcade506a5acaccb1548cb83a3f85f52d71dJames Molloy // FIXME: Do something different for soft failure modes? 17693f79364351650b58172522ae8346153a3c67a5cKevin Enderby return 0; 177833a003da082ab0db343e0e640069dfc6813e7d6Nick Lewycky 178ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy case MCDisassembler::Success: { 1798f29e6969eb99410b9914bcb5ee2d9a125f07f88Owen Anderson DC->CommentStream.flush(); 1808f29e6969eb99410b9914bcb5ee2d9a125f07f88Owen Anderson StringRef Comments = DC->CommentsToEmit.str(); 1818f29e6969eb99410b9914bcb5ee2d9a125f07f88Owen Anderson 18298c5ddabca1debf935a07d14d0cbc9732374bdb8Owen Anderson SmallVector<char, 64> InsnStr; 18398c5ddabca1debf935a07d14d0cbc9732374bdb8Owen Anderson raw_svector_ostream OS(InsnStr); 18498c5ddabca1debf935a07d14d0cbc9732374bdb8Owen Anderson IP->printInst(&Inst, OS, Comments); 18598c5ddabca1debf935a07d14d0cbc9732374bdb8Owen Anderson OS.flush(); 1868f29e6969eb99410b9914bcb5ee2d9a125f07f88Owen Anderson 1878f29e6969eb99410b9914bcb5ee2d9a125f07f88Owen Anderson // Tell the comment stream that the vector changed underneath it. 18898c5ddabca1debf935a07d14d0cbc9732374bdb8Owen Anderson DC->CommentsToEmit.clear(); 1898f29e6969eb99410b9914bcb5ee2d9a125f07f88Owen Anderson DC->CommentStream.resync(); 1908f29e6969eb99410b9914bcb5ee2d9a125f07f88Owen Anderson 191ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy assert(OutStringSize != 0 && "Output buffer cannot be zero size"); 192ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy size_t OutputSize = std::min(OutStringSize-1, InsnStr.size()); 193ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy std::memcpy(OutString, InsnStr.data(), OutputSize); 194ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy OutString[OutputSize] = '\0'; // Terminate string. 195833a003da082ab0db343e0e640069dfc6813e7d6Nick Lewycky 196ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy return Size; 197ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy } 198ee06443945b4c9f471c9b80c4325075dbc27746eJames Molloy } 1994d6ccb5f68cd7c6418a209f1fa4dbade569e4493David Blaikie llvm_unreachable("Invalid DecodeStatus!"); 20093f79364351650b58172522ae8346153a3c67a5cKevin Enderby} 2013ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby 2023ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby// 2033ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby// LLVMSetDisasmOptions() sets the disassembler's options. It returns 1 if it 2043ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby// can set all the Options and 0 otherwise. 2053ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby// 2063ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderbyint LLVMSetDisasmOptions(LLVMDisasmContextRef DCR, uint64_t Options){ 2073ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby if (Options & LLVMDisassembler_Option_UseMarkup){ 2083ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby LLVMDisasmContext *DC = (LLVMDisasmContext *)DCR; 2093ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby MCInstPrinter *IP = DC->getIP(); 2103ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby IP->setUseMarkup(1); 2113ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby Options &= ~LLVMDisassembler_Option_UseMarkup; 2123ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby } 21314ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby if (Options & LLVMDisassembler_Option_PrintImmHex){ 21414ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby LLVMDisasmContext *DC = (LLVMDisasmContext *)DCR; 21514ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby MCInstPrinter *IP = DC->getIP(); 21614ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby IP->setPrintImmHex(1); 21714ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby Options &= ~LLVMDisassembler_Option_PrintImmHex; 21814ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby } 2195469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby if (Options & LLVMDisassembler_Option_AsmPrinterVariant){ 2205469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby LLVMDisasmContext *DC = (LLVMDisasmContext *)DCR; 2215469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby // Try to set up the new instruction printer. 2225469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby const MCAsmInfo *MAI = DC->getAsmInfo(); 2235469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby const MCInstrInfo *MII = DC->getInstrInfo(); 2245469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby const MCRegisterInfo *MRI = DC->getRegisterInfo(); 2255469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby const MCSubtargetInfo *STI = DC->getSubtargetInfo(); 2265469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby int AsmPrinterVariant = MAI->getAssemblerDialect(); 2275469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby AsmPrinterVariant = AsmPrinterVariant == 0 ? 1 : 0; 2285469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby MCInstPrinter *IP = DC->getTarget()->createMCInstPrinter( 2295469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby AsmPrinterVariant, *MAI, *MII, *MRI, *STI); 2305469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby if (IP) { 2315469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby DC->setIP(IP); 2325469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby Options &= ~LLVMDisassembler_Option_AsmPrinterVariant; 2335469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby } 2345469f605fe86edcfb6d3f0e36f3e3ce0254334ccKevin Enderby } 2353ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby return (Options == 0); 2363ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby} 237