#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ToolOutputFile.h"
using namespace llvm;
-using std::error_code;
static cl::opt<std::string>
InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
ShowEncoding("show-encoding", cl::desc("Show instruction encodings"));
static cl::opt<bool>
-CompressDebugSections("compress-debug-sections", cl::desc("Compress DWARF debug sections"));
+CompressDebugSections("compress-debug-sections",
+ cl::desc("Compress DWARF debug sections"));
static cl::opt<bool>
ShowInst("show-inst", cl::desc("Show internal instruction representation"));
GenDwarfForAssembly("g", cl::desc("Generate dwarf debugging info for assembly "
"source files"));
-static cl::opt<int>
-DwarfVersion("dwarf-version", cl::desc("Dwarf version"), cl::init(4));
-
static cl::opt<std::string>
DebugCompilationDir("fdebug-compilation-dir",
cl::desc("Specifies the debug info's compilation dir"));
if (OutputFilename == "")
OutputFilename = "-";
- std::string Err;
+ std::error_code EC;
tool_output_file *Out =
- new tool_output_file(OutputFilename.c_str(), Err, sys::fs::F_None);
- if (!Err.empty()) {
- errs() << Err << '\n';
+ new tool_output_file(OutputFilename, EC, sys::fs::F_None);
+ if (EC) {
+ errs() << EC.message() << '\n';
delete Out;
return nullptr;
}
DwarfDebugProducer += getenv("DEBUG_PRODUCER");
}
-static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI, tool_output_file *Out) {
+static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI,
+ tool_output_file *Out) {
AsmLexer Lexer(MAI);
- Lexer.setBuffer(SrcMgr.getMemoryBuffer(0));
+ Lexer.setBuffer(SrcMgr.getMemoryBuffer(SrcMgr.getMainFileID())->getBuffer());
bool Error = false;
while (Lexer.Lex().isNot(AsmToken::Eof)) {
static int AssembleInput(const char *ProgName, const Target *TheTarget,
SourceMgr &SrcMgr, MCContext &Ctx, MCStreamer &Str,
- MCAsmInfo &MAI, MCSubtargetInfo &STI, MCInstrInfo &MCII) {
+ MCAsmInfo &MAI, MCSubtargetInfo &STI,
+ MCInstrInfo &MCII, MCTargetOptions &MCOptions) {
std::unique_ptr<MCAsmParser> Parser(
createMCAsmParser(SrcMgr, Ctx, Str, MAI));
std::unique_ptr<MCTargetAsmParser> TAP(
- TheTarget->createMCAsmParser(STI, *Parser, MCII,
- InitMCTargetOptionsFromFlags()));
+ TheTarget->createMCAsmParser(STI, *Parser, MCII, MCOptions));
+
if (!TAP) {
errs() << ProgName
<< ": error: this target does not support assembly parsing.\n";
cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
+ MCTargetOptions MCOptions = InitMCTargetOptionsFromFlags();
TripleName = Triple::normalize(TripleName);
setDwarfDebugFlags(argc, argv);
if (!TheTarget)
return 1;
- std::unique_ptr<MemoryBuffer> BufferPtr;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr)) {
- errs() << ProgName << ": " << ec.message() << '\n';
+ ErrorOr<std::unique_ptr<MemoryBuffer>> BufferPtr =
+ MemoryBuffer::getFileOrSTDIN(InputFilename);
+ if (std::error_code EC = BufferPtr.getError()) {
+ errs() << ProgName << ": " << EC.message() << '\n';
return 1;
}
- MemoryBuffer *Buffer = BufferPtr.release();
+ MemoryBuffer *Buffer = BufferPtr->get();
SourceMgr SrcMgr;
// Tell SrcMgr about this buffer, which is what the parser will pick up.
- SrcMgr.AddNewSourceBuffer(Buffer, SMLoc());
+ SrcMgr.AddNewSourceBuffer(std::move(*BufferPtr), SMLoc());
// Record the location of the include directories so that the lexer can find
// it later.
if (CompressDebugSections) {
if (!zlib::isAvailable()) {
- errs() << ProgName << ": build tools with zlib to enable -compress-debug-sections";
+ errs() << ProgName
+ << ": build tools with zlib to enable -compress-debug-sections";
return 1;
}
MAI->setCompressDebugSections(true);
// FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
// MCObjectFileInfo needs a MCContext reference in order to initialize itself.
- std::unique_ptr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
- MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr);
- MOFI->InitMCObjectFileInfo(TripleName, RelocModel, CMModel, Ctx);
+ MCObjectFileInfo MOFI;
+ MCContext Ctx(MAI.get(), MRI.get(), &MOFI, &SrcMgr);
+ MOFI.InitMCObjectFileInfo(TripleName, RelocModel, CMModel, Ctx);
if (SaveTempLabels)
Ctx.setAllowTemporaryLabels(false);
Ctx.setGenDwarfForAssembly(GenDwarfForAssembly);
+ // Default to 4 for dwarf version.
+ unsigned DwarfVersion = MCOptions.DwarfVersion ? MCOptions.DwarfVersion : 4;
if (DwarfVersion < 2 || DwarfVersion > 4) {
errs() << ProgName << ": Dwarf version " << DwarfVersion
<< " is not supported." << '\n';
assert(FileType == OFT_ObjectFile && "Invalid file type!");
MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, *STI, Ctx);
MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
- Str.reset(TheTarget->createMCObjectStreamer(TripleName, Ctx, *MAB,
- FOS, CE, *STI, RelaxAll,
- NoExecStack));
+ Str.reset(TheTarget->createMCObjectStreamer(TripleName, Ctx, *MAB, FOS, CE,
+ *STI, RelaxAll));
+ if (NoExecStack)
+ Str->InitSections(true);
}
int Res = 1;
Res = AsLexInput(SrcMgr, *MAI, Out.get());
break;
case AC_Assemble:
- Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI, *MCII);
+ Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI,
+ *MCII, MCOptions);
break;
case AC_MDisassemble:
assert(IP && "Expected assembly output");