#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCParser/AsmLexer.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
+#include "llvm/MC/MCTargetAsmLexer.h"
+#include "llvm/MC/MCTargetAsmParser.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/MemoryObject.h"
#include "llvm/Support/SourceMgr.h"
-#include "llvm/Target/TargetAsmLexer.h"
-#include "llvm/Target/TargetAsmParser.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/Target/TargetSelect.h"
+#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
-bool EDDisassembler::sInitialized = false;
EDDisassembler::DisassemblerMap_t EDDisassembler::sDisassemblers;
struct TripleMap {
static int getLLVMSyntaxVariant(Triple::ArchType arch,
EDDisassembler::AssemblySyntax syntax) {
switch (syntax) {
- default:
- return -1;
// Mappings below from X86AsmPrinter.cpp
case EDDisassembler::kEDAssemblySyntaxX86ATT:
if (arch == Triple::x86 || arch == Triple::x86_64)
return 0;
- else
- return -1;
+ break;
case EDDisassembler::kEDAssemblySyntaxX86Intel:
if (arch == Triple::x86 || arch == Triple::x86_64)
return 1;
- else
- return -1;
+ break;
case EDDisassembler::kEDAssemblySyntaxARMUAL:
if (arch == Triple::arm || arch == Triple::thumb)
return 0;
- else
- return -1;
+ break;
}
-}
-void EDDisassembler::initialize() {
- if (sInitialized)
- return;
-
- sInitialized = true;
-
- InitializeAllTargetInfos();
- InitializeAllTargets();
- InitializeAllAsmPrinters();
- InitializeAllAsmParsers();
- InitializeAllDisassemblers();
+ return -1;
}
-#undef BRINGUP_TARGET
-
EDDisassembler *EDDisassembler::getDisassembler(Triple::ArchType arch,
AssemblySyntax syntax) {
+ const char *triple = tripleFromArch(arch);
+ return getDisassembler(StringRef(triple), syntax);
+}
+
+EDDisassembler *EDDisassembler::getDisassembler(StringRef str,
+ AssemblySyntax syntax) {
CPUKey key;
- key.Arch = arch;
+ key.Triple = str.str();
key.Syntax = syntax;
EDDisassembler::DisassemblerMap_t::iterator i = sDisassemblers.find(key);
-
+
if (i != sDisassemblers.end()) {
- return i->second;
- } else {
- EDDisassembler* sdd = new EDDisassembler(key);
+ return i->second;
+ }
+ else {
+ EDDisassembler *sdd = new EDDisassembler(key);
if (!sdd->valid()) {
delete sdd;
return NULL;
}
return NULL;
-}
-
-EDDisassembler *EDDisassembler::getDisassembler(StringRef str,
- AssemblySyntax syntax) {
+
return getDisassembler(Triple(str).getArch(), syntax);
}
Valid(false),
HasSemantics(false),
ErrorStream(nulls()),
- Key(key) {
- const char *triple = tripleFromArch(key.Arch);
-
- if (!triple)
+ Key(key),
+ TgtTriple(key.Triple.c_str()) {
+ if (TgtTriple.getArch() == Triple::InvalidArch)
return;
- LLVMSyntaxVariant = getLLVMSyntaxVariant(key.Arch, key.Syntax);
+ LLVMSyntaxVariant = getLLVMSyntaxVariant(TgtTriple.getArch(), key.Syntax);
if (LLVMSyntaxVariant < 0)
return;
- std::string tripleString(triple);
+ std::string tripleString(key.Triple);
std::string errorString;
- Tgt = TargetRegistry::lookupTarget(tripleString,
+ Tgt = TargetRegistry::lookupTarget(key.Triple,
errorString);
if (!Tgt)
return;
- std::string featureString;
-
- TargetMachine.reset(Tgt->createTargetMachine(tripleString,
- featureString));
-
- const TargetRegisterInfo *registerInfo = TargetMachine->getRegisterInfo();
-
- if (!registerInfo)
+ MRI.reset(Tgt->createMCRegInfo(tripleString));
+
+ if (!MRI)
return;
-
- initMaps(*registerInfo);
+
+ initMaps(*MRI);
- AsmInfo.reset(Tgt->createAsmInfo(tripleString));
+ AsmInfo.reset(Tgt->createMCAsmInfo(tripleString));
if (!AsmInfo)
return;
+
+ STI.reset(Tgt->createMCSubtargetInfo(tripleString, "", ""));
- Disassembler.reset(Tgt->createMCDisassembler());
+ 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;
GenericAsmLexer.reset(new AsmLexer(*AsmInfo));
- SpecificAsmLexer.reset(Tgt->createAsmLexer(*AsmInfo));
+ SpecificAsmLexer.reset(Tgt->createMCAsmLexer(*MRI, *AsmInfo));
SpecificAsmLexer->InstallLexer(*GenericAsmLexer);
- initMaps(*TargetMachine->getRegisterInfo());
+ initMaps(*MRI);
Valid = true;
}
void *arg) : Callback(callback), Arg(arg) { }
~EDMemoryObject() { }
uint64_t getBase() const { return 0x0; }
- uint64_t getExtent() const { return (uint64_t)-1; }
- int readByte(uint64_t address, uint8_t *ptr) const {
+ uint64_t getExtent() { return (uint64_t)-1; }
+ int readByte(uint64_t address, uint8_t *ptr) {
if (!Callback)
return -1;
MCInst* inst = new MCInst;
uint64_t byteSize;
- if (!Disassembler->getInstruction(*inst,
- byteSize,
- memoryObject,
- address,
- ErrorStream)) {
+ MCDisassembler::DecodeStatus S;
+ S = Disassembler->getInstruction(*inst, byteSize, memoryObject, address,
+ ErrorStream, nulls());
+ switch (S) {
+ case MCDisassembler::Fail:
+ case MCDisassembler::SoftFail:
+ // FIXME: Do something different on soft failure mode?
delete inst;
return NULL;
- } else {
- const llvm::EDInstInfo *thisInstInfo;
+
+ case MCDisassembler::Success: {
+ const llvm::EDInstInfo *thisInstInfo = NULL;
- thisInstInfo = &InstInfos[inst->getOpcode()];
+ if (InstInfos) {
+ thisInstInfo = &InstInfos[inst->getOpcode()];
+ }
EDInst* sdInst = new EDInst(inst, byteSize, *this, thisInstInfo);
return sdInst;
}
+ }
+ return NULL;
}
-void EDDisassembler::initMaps(const TargetRegisterInfo ®isterInfo) {
+void EDDisassembler::initMaps(const MCRegisterInfo ®isterInfo) {
unsigned numRegisters = registerInfo.getNumRegs();
unsigned registerIndex;
RegRMap[registerName] = registerIndex;
}
- switch (Key.Arch) {
+ switch (TgtTriple.getArch()) {
default:
break;
case Triple::x86:
int EDDisassembler::printInst(std::string &str, MCInst &inst) {
PrinterMutex.acquire();
- InstPrinter->printInst(&inst, *InstStream);
+ InstPrinter->printInst(&inst, *InstStream, "");
InstStream->flush();
str = *InstString;
InstString->clear();
return 0;
}
+static void diag_handler(const SMDiagnostic &diag, void *context) {
+ if (context)
+ diag.print("", static_cast<EDDisassembler*>(context)->ErrorStream);
+}
+
int EDDisassembler::parseInst(SmallVectorImpl<MCParsedAsmOperand*> &operands,
SmallVectorImpl<AsmToken> &tokens,
const std::string &str) {
int ret = 0;
- switch (Key.Arch) {
+ switch (TgtTriple.getArch()) {
default:
return -1;
case Triple::x86:
SMLoc instLoc;
SourceMgr sourceMgr;
+ sourceMgr.setDiagHandler(diag_handler, static_cast<void*>(this));
sourceMgr.AddNewSourceBuffer(buf, SMLoc()); // ownership of buf handed over
- MCContext context(*AsmInfo, NULL);
+ MCContext context(*AsmInfo, *MRI, NULL);
OwningPtr<MCStreamer> streamer(createNullStreamer(context));
- OwningPtr<MCAsmParser> genericParser(createMCAsmParser(*Tgt, sourceMgr,
+ OwningPtr<MCAsmParser> genericParser(createMCAsmParser(sourceMgr,
context, *streamer,
*AsmInfo));
- OwningPtr<TargetAsmParser> TargetParser(Tgt->createAsmParser(*genericParser,
- *TargetMachine));
+
+ OwningPtr<MCSubtargetInfo> STI(Tgt->createMCSubtargetInfo(Key.Triple.c_str(), "", ""));
+ OwningPtr<MCTargetAsmParser>
+ TargetParser(Tgt->createMCAsmParser(*STI, *genericParser));
AsmToken OpcodeToken = genericParser->Lex();
AsmToken NextToken = genericParser->Lex(); // consume next token, because specificParser expects us to
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