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-rw-r--r--test/MC/Disassembler/X86/intel-syntax.txt2
-rw-r--r--tools/llvm-mc/Disassembler.cpp67
-rw-r--r--tools/llvm-mc/Disassembler.h15
-rw-r--r--tools/llvm-mc/llvm-mc.cpp172
4 files changed, 81 insertions, 175 deletions
diff --git a/test/MC/Disassembler/X86/intel-syntax.txt b/test/MC/Disassembler/X86/intel-syntax.txt
index 3391e45cc0..a5dbcf29b9 100644
--- a/test/MC/Disassembler/X86/intel-syntax.txt
+++ b/test/MC/Disassembler/X86/intel-syntax.txt
@@ -1,4 +1,4 @@
-# RUN: llvm-mc --disassemble %s -triple=x86_64-apple-darwin9 -x86-asm-syntax=intel | FileCheck %s
+# RUN: llvm-mc --disassemble %s -triple=x86_64-apple-darwin9 --output-asm-variant=1 | FileCheck %s
# CHECK: movsb
0xa4
diff --git a/tools/llvm-mc/Disassembler.cpp b/tools/llvm-mc/Disassembler.cpp
index a8cd7c1c89..5f2fdb8071 100644
--- a/tools/llvm-mc/Disassembler.cpp
+++ b/tools/llvm-mc/Disassembler.cpp
@@ -17,21 +17,18 @@
#include "../../lib/MC/MCDisassembler/EDInst.h"
#include "../../lib/MC/MCDisassembler/EDOperand.h"
#include "../../lib/MC/MCDisassembler/EDToken.h"
-#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCDisassembler.h"
#include "llvm/MC/MCInst.h"
-#include "llvm/MC/MCInstPrinter.h"
-#include "llvm/MC/MCInstrInfo.h"
-#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/Triple.h"
-#include "llvm/ADT/Twine.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/MemoryObject.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
+
using namespace llvm;
typedef std::vector<std::pair<unsigned char, const char*> > ByteArrayTy;
@@ -56,8 +53,9 @@ public:
}
static bool PrintInsts(const MCDisassembler &DisAsm,
- MCInstPrinter &Printer, const ByteArrayTy &Bytes,
- SourceMgr &SM, raw_ostream &Out) {
+ const ByteArrayTy &Bytes,
+ SourceMgr &SM, raw_ostream &Out,
+ MCStreamer &Streamer) {
// Wrap the vector in a MemoryObject.
VectorMemoryObject memoryObject(Bytes);
@@ -87,8 +85,7 @@ static bool PrintInsts(const MCDisassembler &DisAsm,
// Fall through
case MCDisassembler::Success:
- Printer.printInst(&Inst, Out, "");
- Out << "\n";
+ Streamer.EmitInstruction(Inst);
break;
}
}
@@ -145,56 +142,22 @@ static bool ByteArrayFromString(ByteArrayTy &ByteArray,
int Disassembler::disassemble(const Target &T,
const std::string &Triple,
- const std::string &Cpu,
- const std::string &FeaturesStr,
+ MCSubtargetInfo &STI,
+ MCStreamer &Streamer,
MemoryBuffer &Buffer,
+ SourceMgr &SM,
raw_ostream &Out) {
- // Set up disassembler.
- OwningPtr<const MCAsmInfo> AsmInfo(T.createMCAsmInfo(Triple));
-
- if (!AsmInfo) {
- errs() << "error: no assembly info for target " << Triple << "\n";
- return -1;
- }
-
- 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));
+ OwningPtr<const MCDisassembler> DisAsm(T.createMCDisassembler(STI));
if (!DisAsm) {
errs() << "error: no disassembler for target " << Triple << "\n";
return -1;
}
- OwningPtr<const MCRegisterInfo> MRI(T.createMCRegInfo(Triple));
- if (!MRI) {
- errs() << "error: no register info for target " << Triple << "\n";
- return -1;
- }
-
- OwningPtr<const MCInstrInfo> MII(T.createMCInstrInfo());
- if (!MII) {
- errs() << "error: no instruction info for target " << Triple << "\n";
- return -1;
- }
-
- int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
- OwningPtr<MCInstPrinter> IP(T.createMCInstPrinter(AsmPrinterVariant, *AsmInfo,
- *MII, *MRI, *STI));
- if (!IP) {
- errs() << "error: no instruction printer for target " << Triple << '\n';
- return -1;
- }
+ // Set up initial section manually here
+ Streamer.InitSections();
bool ErrorOccurred = false;
- SourceMgr SM;
- SM.AddNewSourceBuffer(&Buffer, SMLoc());
-
// Convert the input to a vector for disassembly.
ByteArrayTy ByteArray;
StringRef Str = Buffer.getBuffer();
@@ -202,7 +165,7 @@ int Disassembler::disassemble(const Target &T,
ErrorOccurred |= ByteArrayFromString(ByteArray, Str, SM);
if (!ByteArray.empty())
- ErrorOccurred |= PrintInsts(*DisAsm, *IP, ByteArray, SM, Out);
+ ErrorOccurred |= PrintInsts(*DisAsm, ByteArray, SM, Out, Streamer);
return ErrorOccurred;
}
@@ -236,12 +199,10 @@ static int verboseEvaluator(uint64_t *V, unsigned R, void *Arg) {
int Disassembler::disassembleEnhanced(const std::string &TS,
MemoryBuffer &Buffer,
+ SourceMgr &SM,
raw_ostream &Out) {
ByteArrayTy ByteArray;
StringRef Str = Buffer.getBuffer();
- SourceMgr SM;
-
- SM.AddNewSourceBuffer(&Buffer, SMLoc());
if (ByteArrayFromString(ByteArray, Str, SM)) {
return -1;
diff --git a/tools/llvm-mc/Disassembler.h b/tools/llvm-mc/Disassembler.h
index e8cd92db03..17d622f1d9 100644
--- a/tools/llvm-mc/Disassembler.h
+++ b/tools/llvm-mc/Disassembler.h
@@ -22,18 +22,23 @@ namespace llvm {
class MemoryBuffer;
class Target;
class raw_ostream;
+class SourceMgr;
+class MCSubtargetInfo;
+class MCStreamer;
class Disassembler {
public:
- static int disassemble(const Target &target,
- const std::string &tripleString,
- const std::string &Cpu,
- const std::string &FeaturesStr,
- MemoryBuffer &buffer,
+ static int disassemble(const Target &T,
+ const std::string &Triple,
+ MCSubtargetInfo &STI,
+ MCStreamer &Streamer,
+ MemoryBuffer &Buffer,
+ SourceMgr &SM,
raw_ostream &Out);
static int disassembleEnhanced(const std::string &tripleString,
MemoryBuffer &buffer,
+ SourceMgr &SM,
raw_ostream &Out);
};
diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index 89d72b29dc..36a482e908 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -243,37 +243,11 @@ static void setDwarfDebugFlags(int argc, char **argv) {
}
}
-static int AsLexInput(const char *ProgName) {
- OwningPtr<MemoryBuffer> BufferPtr;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr)) {
- errs() << ProgName << ": " << ec.message() << '\n';
- return 1;
- }
- MemoryBuffer *Buffer = BufferPtr.take();
-
- SourceMgr SrcMgr;
-
- // Tell SrcMgr about this buffer, which is what TGParser will pick up.
- SrcMgr.AddNewSourceBuffer(Buffer, SMLoc());
-
- // Record the location of the include directories so that the lexer can find
- // it later.
- SrcMgr.setIncludeDirs(IncludeDirs);
-
- const Target *TheTarget = GetTarget(ProgName);
- if (!TheTarget)
- return 1;
-
- llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(TripleName));
- assert(MAI && "Unable to create target asm info!");
+static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI, tool_output_file *Out) {
- AsmLexer Lexer(*MAI);
+ AsmLexer Lexer(MAI);
Lexer.setBuffer(SrcMgr.getMemoryBuffer(0));
- OwningPtr<tool_output_file> Out(GetOutputStream());
- if (!Out)
- return 1;
-
bool Error = false;
while (Lexer.Lex().isNot(AsmToken::Eof)) {
AsmToken Tok = Lexer.getTok();
@@ -347,13 +321,49 @@ static int AsLexInput(const char *ProgName) {
Out->os() << "\")\n";
}
- // Keep output if no errors.
- if (Error == 0) Out->keep();
-
return Error;
}
-static int AssembleInput(const char *ProgName) {
+static int AssembleInput(const char *ProgName, const Target *TheTarget,
+ SourceMgr &SrcMgr, MCContext &Ctx, MCStreamer &Str,
+ MCAsmInfo &MAI, MCSubtargetInfo &STI) {
+ OwningPtr<MCAsmParser> Parser(createMCAsmParser(SrcMgr, Ctx,
+ Str, MAI));
+ OwningPtr<MCTargetAsmParser> TAP(TheTarget->createMCAsmParser(STI, *Parser));
+ if (!TAP) {
+ errs() << ProgName
+ << ": error: this target does not support assembly parsing.\n";
+ return 1;
+ }
+
+ Parser->setShowParsedOperands(ShowInstOperands);
+ Parser->setTargetParser(*TAP.get());
+
+ int Res = Parser->Run(NoInitialTextSection);
+
+ return Res;
+}
+
+int main(int argc, char **argv) {
+ // Print a stack trace if we signal out.
+ sys::PrintStackTraceOnErrorSignal();
+ PrettyStackTraceProgram X(argc, argv);
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+
+ // Initialize targets and assembly printers/parsers.
+ llvm::InitializeAllTargetInfos();
+ llvm::InitializeAllTargetMCs();
+ llvm::InitializeAllAsmParsers();
+ llvm::InitializeAllDisassemblers();
+
+ // Register the target printer for --version.
+ cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
+
+ cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
+ TripleName = Triple::normalize(TripleName);
+ setDwarfDebugFlags(argc, argv);
+
+ const char *ProgName = argv[0];
const Target *TheTarget = GetTarget(ProgName);
if (!TheTarget)
return 1;
@@ -414,7 +424,6 @@ static int AssembleInput(const char *ProgName) {
OwningPtr<MCSubtargetInfo>
STI(TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
- // FIXME: There is a bit of code duplication with addPassesToEmitFile.
if (FileType == OFT_AssemblyFile) {
MCInstPrinter *IP =
TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *MCII, *MRI, *STI);
@@ -441,93 +450,24 @@ static int AssembleInput(const char *ProgName) {
NoExecStack));
}
- OwningPtr<MCAsmParser> Parser(createMCAsmParser(SrcMgr, Ctx,
- *Str.get(), *MAI));
- OwningPtr<MCTargetAsmParser> TAP(TheTarget->createMCAsmParser(*STI, *Parser));
- if (!TAP) {
- errs() << ProgName
- << ": error: this target does not support assembly parsing.\n";
- return 1;
- }
-
- Parser->setShowParsedOperands(ShowInstOperands);
- Parser->setTargetParser(*TAP.get());
-
- int Res = Parser->Run(NoInitialTextSection);
-
- // Keep output if no errors.
- if (Res == 0) Out->keep();
-
- return Res;
-}
-
-static int DisassembleInput(const char *ProgName, bool Enhanced) {
- const Target *TheTarget = GetTarget(ProgName);
- if (!TheTarget)
- return 0;
-
- OwningPtr<MemoryBuffer> Buffer;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, Buffer)) {
- errs() << ProgName << ": " << ec.message() << '\n';
- return 1;
- }
-
- OwningPtr<tool_output_file> Out(GetOutputStream());
- if (!Out)
- return 1;
-
- int Res;
- if (Enhanced) {
- Res =
- Disassembler::disassembleEnhanced(TripleName, *Buffer.take(), Out->os());
- } else {
- // 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());
- }
-
- // Keep output if no errors.
- if (Res == 0) Out->keep();
-
- return Res;
-}
-
-
-int main(int argc, char **argv) {
- // Print a stack trace if we signal out.
- sys::PrintStackTraceOnErrorSignal();
- PrettyStackTraceProgram X(argc, argv);
- llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
-
- // Initialize targets and assembly printers/parsers.
- llvm::InitializeAllTargetInfos();
- llvm::InitializeAllTargetMCs();
- llvm::InitializeAllAsmParsers();
- llvm::InitializeAllDisassemblers();
-
- // Register the target printer for --version.
- cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
-
- cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
- TripleName = Triple::normalize(TripleName);
- setDwarfDebugFlags(argc, argv);
-
+ int Res = 1;
switch (Action) {
case AC_AsLex:
- return AsLexInput(argv[0]);
+ Res = AsLexInput(SrcMgr, *MAI, Out.get());
+ break;
case AC_Assemble:
- return AssembleInput(argv[0]);
+ Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI);
+ break;
case AC_Disassemble:
- return DisassembleInput(argv[0], false);
+ Res = Disassembler::disassemble(*TheTarget, TripleName, *STI, *Str,
+ *Buffer, SrcMgr, Out->os());
+ break;
case AC_EDisassemble:
- return DisassembleInput(argv[0], true);
+ Res = Disassembler::disassembleEnhanced(TripleName, *Buffer, SrcMgr, Out->os());
+ break;
}
+
+ // Keep output if no errors.
+ if (Res == 0) Out->keep();
+ return Res;
}
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