namespace llvm {
class MCInst;
+class MCSubtargetInfo;
class MemoryObject;
class raw_ostream;
class MCContext;
};
/// Constructor - Performs initial setup for the disassembler.
- MCDisassembler() : GetOpInfo(0), DisInfo(0), Ctx(0) {}
+ MCDisassembler(const MCSubtargetInfo &STI) : GetOpInfo(0), DisInfo(0), Ctx(0), STI(STI) {}
virtual ~MCDisassembler();
// The assembly context for creating symbols and MCExprs in place of
// immediate operands when there is symbolic information.
MCContext *Ctx;
+protected:
+ // Subtarget information, for instruction decoding predicates if required.
+ const MCSubtargetInfo &STI;
public:
void setupForSymbolicDisassembly(LLVMOpInfoCallback getOpInfo,
const MCAsmInfo &MAI);
typedef MCTargetAsmParser *(*MCAsmParserCtorTy)(MCSubtargetInfo &STI,
MCAsmParser &P);
- typedef MCDisassembler *(*MCDisassemblerCtorTy)(const Target &T);
+ typedef MCDisassembler *(*MCDisassemblerCtorTy)(const Target &T,
+ const MCSubtargetInfo &STI);
typedef MCInstPrinter *(*MCInstPrinterCtorTy)(const Target &T,
unsigned SyntaxVariant,
- const MCAsmInfo &MAI);
+ const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI);
typedef MCCodeEmitter *(*MCCodeEmitterCtorTy)(const MCInstrInfo &II,
const MCSubtargetInfo &STI,
MCContext &Ctx);
return AsmPrinterCtorFn(TM, Streamer);
}
- MCDisassembler *createMCDisassembler() const {
+ MCDisassembler *createMCDisassembler(const MCSubtargetInfo &STI) const {
if (!MCDisassemblerCtorFn)
return 0;
- return MCDisassemblerCtorFn(*this);
+ return MCDisassemblerCtorFn(*this, STI);
}
MCInstPrinter *createMCInstPrinter(unsigned SyntaxVariant,
- const MCAsmInfo &MAI) const {
+ const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) const {
if (!MCInstPrinterCtorFn)
return 0;
- return MCInstPrinterCtorFn(*this, SyntaxVariant, MAI);
+ return MCInstPrinterCtorFn(*this, SyntaxVariant, MAI, STI);
}
Context->setAllowTemporaryLabels(false);
const MCAsmInfo &MAI = *getMCAsmInfo();
+ const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
OwningPtr<MCStreamer> AsmStreamer;
switch (FileType) {
default: return true;
case CGFT_AssemblyFile: {
MCInstPrinter *InstPrinter =
- getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI);
+ getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI, STI);
// Create a code emitter if asked to show the encoding.
MCCodeEmitter *MCE = 0;
case CGFT_ObjectFile: {
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
- const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), STI,
*Context);
MCAsmBackend *MAB = getTarget().createMCAsmBackend(getTargetTriple());
std::string FeaturesStr;
std::string CPU;
+ const MCSubtargetInfo *STI = TheTarget->createMCSubtargetInfo(TripleName, CPU,
+ FeaturesStr);
+ assert(STI && "Unable to create subtarget info!");
+
// Set up the MCContext for creating symbols and MCExpr's.
MCContext *Ctx = new MCContext(*MAI, *MRI, 0);
assert(Ctx && "Unable to create MCContext!");
// Set up disassembler.
- MCDisassembler *DisAsm = TheTarget->createMCDisassembler();
+ MCDisassembler *DisAsm = TheTarget->createMCDisassembler(*STI);
assert(DisAsm && "Unable to create disassembler!");
DisAsm->setupForSymbolicDisassembly(GetOpInfo, DisInfo, Ctx);
// Set up the instruction printer.
int AsmPrinterVariant = MAI->getAssemblerDialect();
MCInstPrinter *IP = TheTarget->createMCInstPrinter(AsmPrinterVariant,
- *MAI);
+ *MAI, *STI);
assert(IP && "Unable to create instruction printer!");
LLVMDisasmContext *DC = new LLVMDisasmContext(TripleName, DisInfo, TagType,
if (!AsmInfo)
return;
- Disassembler.reset(Tgt->createMCDisassembler());
+ STI.reset(Tgt->createMCSubtargetInfo(tripleString, "", ""));
+
+ if (!STI)
+ return;
+
+ Disassembler.reset(Tgt->createMCDisassembler(*STI));
if (!Disassembler)
return;
InstString.reset(new std::string);
InstStream.reset(new raw_string_ostream(*InstString));
- InstPrinter.reset(Tgt->createMCInstPrinter(LLVMSyntaxVariant, *AsmInfo));
+ InstPrinter.reset(Tgt->createMCInstPrinter(LLVMSyntaxVariant, *AsmInfo, *STI));
if (!InstPrinter)
return;
const llvm::Target *Tgt;
/// The assembly information for the target architecture
llvm::OwningPtr<const llvm::MCAsmInfo> AsmInfo;
+ /// The subtarget information for the target architecture
+ llvm::OwningPtr<const llvm::MCSubtargetInfo> STI;
// The register information for the target architecture.
llvm::OwningPtr<const llvm::MCRegisterInfo> MRI;
/// The disassembler for the target architecture
#include "ARM.h"
#include "ARMRegisterInfo.h"
+#include "ARMSubtarget.h"
#include "MCTargetDesc/ARMAddressingModes.h"
#include "MCTargetDesc/ARMBaseInfo.h"
#include "llvm/MC/EDInstInfo.h"
public:
/// Constructor - Initializes the disassembler.
///
- ARMDisassembler() :
- MCDisassembler() {
+ ARMDisassembler(const MCSubtargetInfo &STI) :
+ MCDisassembler(STI) {
}
~ARMDisassembler() {
public:
/// Constructor - Initializes the disassembler.
///
- ThumbDisassembler() :
- MCDisassembler() {
+ ThumbDisassembler(const MCSubtargetInfo &STI) :
+ MCDisassembler(STI) {
}
~ThumbDisassembler() {
#include "ARMGenInstrInfo.inc"
#include "ARMGenEDInfo.inc"
-static MCDisassembler *createARMDisassembler(const Target &T) {
- return new ARMDisassembler;
+static MCDisassembler *createARMDisassembler(const Target &T, const MCSubtargetInfo &STI) {
+ return new ARMDisassembler(STI);
}
-static MCDisassembler *createThumbDisassembler(const Target &T) {
- return new ThumbDisassembler;
+static MCDisassembler *createThumbDisassembler(const Target &T, const MCSubtargetInfo &STI) {
+ return new ThumbDisassembler(STI);
}
EDInstInfo *ARMDisassembler::getEDInfo() const {
return imm;
}
+
+ARMInstPrinter::ARMInstPrinter(const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) :
+ MCInstPrinter(MAI) {
+ // Initialize the set of available features.
+ setAvailableFeatures(STI.getFeatureBits());
+}
+
StringRef ARMInstPrinter::getOpcodeName(unsigned Opcode) const {
return getInstructionName(Opcode);
}
#define ARMINSTPRINTER_H
#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCSubtargetInfo.h"
namespace llvm {
class ARMInstPrinter : public MCInstPrinter {
public:
- ARMInstPrinter(const MCAsmInfo &MAI)
- : MCInstPrinter(MAI) {}
+ ARMInstPrinter(const MCAsmInfo &MAI, const MCSubtargetInfo &STI);
virtual void printInst(const MCInst *MI, raw_ostream &O);
virtual StringRef getOpcodeName(unsigned Opcode) const;
static MCInstPrinter *createARMMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
+ const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) {
if (SyntaxVariant == 0)
- return new ARMInstPrinter(MAI);
+ return new ARMInstPrinter(MAI, STI);
return 0;
}
return Success;
}
-static MCDisassembler *createMBlazeDisassembler(const Target &T) {
- return new MBlazeDisassembler;
+static MCDisassembler *createMBlazeDisassembler(const Target &T,
+ const MCSubtargetInfo &STI) {
+ return new MBlazeDisassembler(STI);
}
extern "C" void LLVMInitializeMBlazeDisassembler() {
public:
/// Constructor - Initializes the disassembler.
///
- MBlazeDisassembler() :
- MCDisassembler() {
+ MBlazeDisassembler(const MCSubtargetInfo &STI) :
+ MCDisassembler(STI) {
}
~MBlazeDisassembler() {
static MCInstPrinter *createMBlazeMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
+ const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) {
if (SyntaxVariant == 0)
return new MBlazeInstPrinter(MAI);
return 0;
class MSP430InstPrinter : public MCInstPrinter {
public:
MSP430InstPrinter(const MCAsmInfo &MAI)
- : MCInstPrinter(MAI) {}
+ : MCInstPrinter(MAI) {}
virtual void printInst(const MCInst *MI, raw_ostream &O);
static MCInstPrinter *createMSP430MCInstPrinter(const Target &T,
unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
+ const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) {
if (SyntaxVariant == 0)
return new MSP430InstPrinter(MAI);
return 0;
static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
+ const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) {
return new MipsInstPrinter(MAI);
}
static MCInstPrinter *createPPCMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
+ const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) {
return new PPCInstPrinter(MAI, SyntaxVariant);
}
#include "llvm/MC/MCDisassembler.h"
#include "llvm/MC/MCDisassembler.h"
#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MemoryObject.h"
#include "llvm/Support/TargetRegistry.h"
static bool translateInstruction(MCInst &target,
InternalInstruction &source);
-X86GenericDisassembler::X86GenericDisassembler(DisassemblerMode mode) :
- MCDisassembler(),
+X86GenericDisassembler::X86GenericDisassembler(const MCSubtargetInfo &STI, DisassemblerMode mode) :
+ MCDisassembler(STI),
fMode(mode) {
}
return false;
}
-static MCDisassembler *createX86_32Disassembler(const Target &T) {
- return new X86Disassembler::X86_32Disassembler;
+static MCDisassembler *createX86_32Disassembler(const Target &T, const MCSubtargetInfo &STI) {
+ return new X86Disassembler::X86_32Disassembler(STI);
}
-static MCDisassembler *createX86_64Disassembler(const Target &T) {
- return new X86Disassembler::X86_64Disassembler;
+static MCDisassembler *createX86_64Disassembler(const Target &T, const MCSubtargetInfo &STI) {
+ return new X86Disassembler::X86_64Disassembler(STI);
}
extern "C" void LLVMInitializeX86Disassembler() {
namespace llvm {
class MCInst;
+class MCSubtargetInfo;
class MemoryObject;
class raw_ostream;
/// Constructor - Initializes the disassembler.
///
/// @param mode - The X86 architecture mode to decode for.
- X86GenericDisassembler(DisassemblerMode mode);
+ X86GenericDisassembler(const MCSubtargetInfo &STI, DisassemblerMode mode);
public:
~X86GenericDisassembler();
/// X86_16Disassembler - 16-bit X86 disassembler.
class X86_16Disassembler : public X86GenericDisassembler {
public:
- X86_16Disassembler() :
- X86GenericDisassembler(MODE_16BIT) {
+ X86_16Disassembler(const MCSubtargetInfo &STI) :
+ X86GenericDisassembler(STI, MODE_16BIT) {
}
};
/// X86_16Disassembler - 32-bit X86 disassembler.
class X86_32Disassembler : public X86GenericDisassembler {
public:
- X86_32Disassembler() :
- X86GenericDisassembler(MODE_32BIT) {
+ X86_32Disassembler(const MCSubtargetInfo &STI) :
+ X86GenericDisassembler(STI, MODE_32BIT) {
}
};
/// X86_16Disassembler - 64-bit X86 disassembler.
class X86_64Disassembler : public X86GenericDisassembler {
public:
- X86_64Disassembler() :
- X86GenericDisassembler(MODE_64BIT) {
+ X86_64Disassembler(const MCSubtargetInfo &STI) :
+ X86GenericDisassembler(STI, MODE_64BIT) {
}
};
static MCInstPrinter *createX86MCInstPrinter(const Target &T,
unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
+ const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) {
if (SyntaxVariant == 0)
return new X86ATTInstPrinter(MAI);
if (SyntaxVariant == 1)
#include "llvm/MC/MCDisassembler.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/Twine.h"
int Disassembler::disassemble(const Target &T,
const std::string &Triple,
+ const std::string &Cpu,
+ const std::string &FeaturesStr,
MemoryBuffer &Buffer,
raw_ostream &Out) {
// Set up disassembler.
return -1;
}
- OwningPtr<const MCDisassembler> DisAsm(T.createMCDisassembler());
+ OwningPtr<const MCSubtargetInfo> STI(T.createMCSubtargetInfo(Triple, Cpu, FeaturesStr));
+ if (!STI) {
+ errs() << "error: no subtarget info for target " << Triple << "\n";
+ return -1;
+ }
+
+ OwningPtr<const MCDisassembler> DisAsm(T.createMCDisassembler(*STI));
if (!DisAsm) {
errs() << "error: no disassembler for target " << Triple << "\n";
return -1;
int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
OwningPtr<MCInstPrinter> IP(T.createMCInstPrinter(AsmPrinterVariant,
- *AsmInfo));
+ *AsmInfo, *STI));
if (!IP) {
errs() << "error: no instruction printer for target " << Triple << '\n';
return -1;
public:
static int disassemble(const Target &target,
const std::string &tripleString,
+ const std::string &Cpu,
+ const std::string &FeaturesStr,
MemoryBuffer &buffer,
raw_ostream &Out);
cl::value_desc("cpu-name"),
cl::init(""));
+static cl::list<std::string>
+MAttrs("mattr",
+ cl::CommaSeparated,
+ cl::desc("Target specific attributes (-mattr=help for details)"),
+ cl::value_desc("a1,+a2,-a3,..."));
+
static cl::opt<Reloc::Model>
RelocModel("relocation-model",
cl::desc("Choose relocation model"),
llvm::OwningPtr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
assert(MRI && "Unable to create target register info!");
- // Package up features to be passed to target/subtarget
- std::string FeaturesStr;
-
// FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
// MCObjectFileInfo needs a MCContext reference in order to initialize itself.
OwningPtr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
if (SaveTempLabels)
Ctx.setAllowTemporaryLabels(false);
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MAttrs.size()) {
+ SubtargetFeatures Features;
+ for (unsigned i = 0; i != MAttrs.size(); ++i)
+ Features.AddFeature(MAttrs[i]);
+ FeaturesStr = Features.getString();
+ }
+
OwningPtr<tool_output_file> Out(GetOutputStream());
if (!Out)
return 1;
// FIXME: There is a bit of code duplication with addPassesToEmitFile.
if (FileType == OFT_AssemblyFile) {
MCInstPrinter *IP =
- TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI);
+ TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *STI);
MCCodeEmitter *CE = 0;
MCAsmBackend *MAB = 0;
if (ShowEncoding) {
Res =
Disassembler::disassembleEnhanced(TripleName, *Buffer.take(), Out->os());
} else {
- Res = Disassembler::disassemble(*TheTarget, TripleName,
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MAttrs.size()) {
+ SubtargetFeatures Features;
+ for (unsigned i = 0; i != MAttrs.size(); ++i)
+ Features.AddFeature(MAttrs[i]);
+ FeaturesStr = Features.getString();
+ }
+
+ Res = Disassembler::disassemble(*TheTarget, TripleName, MCPU, FeaturesStr,
*Buffer.take(), Out->os());
}
#include "llvm/MC/MCInstrAnalysis.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"
return;
}
- OwningPtr<const MCDisassembler> DisAsm(TheTarget->createMCDisassembler());
+ OwningPtr<const MCSubtargetInfo> STI(TheTarget->createMCSubtargetInfo(TripleName, "", ""));
+
+ if (!STI) {
+ errs() << "error: no subtarget info for target " << TripleName << "\n";
+ return;
+ }
+
+ OwningPtr<const MCDisassembler> DisAsm(TheTarget->createMCDisassembler(*STI));
if (!DisAsm) {
errs() << "error: no disassembler for target " << TripleName << "\n";
return;
int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
OwningPtr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
- AsmPrinterVariant, *AsmInfo));
+ AsmPrinterVariant, *AsmInfo, *STI));
if (!IP) {
errs() << "error: no instruction printer for target " << TripleName << '\n';
return;