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Diffstat (limited to 'llvm/tools/llvm-ml/llvm-ml.cpp')
-rw-r--r--llvm/tools/llvm-ml/llvm-ml.cpp338
1 files changed, 154 insertions, 184 deletions
diff --git a/llvm/tools/llvm-ml/llvm-ml.cpp b/llvm/tools/llvm-ml/llvm-ml.cpp
index d1ea81c..ac03ef8 100644
--- a/llvm/tools/llvm-ml/llvm-ml.cpp
+++ b/llvm/tools/llvm-ml/llvm-ml.cpp
@@ -10,8 +10,7 @@
//
//===----------------------------------------------------------------------===//
-#include "Disassembler.h"
-
+#include "llvm/ADT/StringSwitch.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCCodeEmitter.h"
@@ -26,13 +25,17 @@
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCTargetOptionsCommandFlags.h"
-#include "llvm/Support/CommandLine.h"
+#include "llvm/Option/Arg.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Option/Option.h"
#include "llvm/Support/Compression.h"
#include "llvm/Support/FileUtilities.h"
+#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
@@ -40,131 +43,55 @@
#include "llvm/Support/WithColor.h"
using namespace llvm;
+using namespace llvm::opt;
-static mc::RegisterMCTargetOptionsFlags MOF;
-
-static cl::opt<std::string>
-InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
-
-static cl::opt<std::string>
-OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"),
- cl::init("-"));
-
-static cl::opt<bool>
-ShowEncoding("show-encoding", cl::desc("Show instruction encodings"));
-
-static cl::opt<bool>
-ShowInst("show-inst", cl::desc("Show internal instruction representation"));
+namespace {
-static cl::opt<bool>
-ShowInstOperands("show-inst-operands",
- cl::desc("Show instructions operands as parsed"));
-
-static cl::opt<bool>
-OutputATTAsm("output-att-asm", cl::desc("Use ATT syntax for output printing"));
-
-static cl::opt<bool>
-PrintImmHex("print-imm-hex", cl::init(false),
- cl::desc("Prefer hex format for immediate values"));
-
-static cl::opt<bool>
-PreserveComments("preserve-comments",
- cl::desc("Preserve Comments in outputted assembly"));
-
-enum OutputFileType {
- OFT_Null,
- OFT_AssemblyFile,
- OFT_ObjectFile
+enum ID {
+ OPT_INVALID = 0, // This is not an option ID.
+#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR, VALUES) \
+ OPT_##ID,
+#include "Opts.inc"
+#undef OPTION
};
-static cl::opt<OutputFileType>
-FileType("filetype", cl::init(OFT_ObjectFile),
- cl::desc("Choose an output file type:"),
- cl::values(
- clEnumValN(OFT_AssemblyFile, "asm",
- "Emit an assembly ('.s') file"),
- clEnumValN(OFT_Null, "null",
- "Don't emit anything (for timing purposes)"),
- clEnumValN(OFT_ObjectFile, "obj",
- "Emit a native object ('.o') file")));
-
-static cl::list<std::string>
-IncludeDirs("I", cl::desc("Directory of include files"),
- cl::value_desc("directory"), cl::Prefix);
-
-enum BitnessType {
- m32,
- m64,
+
+#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
+#include "Opts.inc"
+#undef PREFIX
+
+static const opt::OptTable::Info InfoTable[] = {
+#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
+ HELPTEXT, METAVAR, VALUES) \
+ { \
+ PREFIX, NAME, HELPTEXT, \
+ METAVAR, OPT_##ID, opt::Option::KIND##Class, \
+ PARAM, FLAGS, OPT_##GROUP, \
+ OPT_##ALIAS, ALIASARGS, VALUES},
+#include "Opts.inc"
+#undef OPTION
};
-cl::opt<BitnessType> Bitness(cl::desc("Choose bitness:"), cl::init(m64),
- cl::values(clEnumVal(m32, "32-bit"),
- clEnumVal(m64, "64-bit (default)")));
-
-static cl::opt<bool> SafeSEH(
- "safeseh",
- cl::desc("Mark resulting object files as either containing no "
- "exception handlers or containing exception handlers that "
- "are all declared with .SAFESEH. Only available in 32-bit."));
-
-static cl::opt<std::string>
-TripleName("triple", cl::desc("Target triple to assemble for, "
- "see -version for available targets"));
-
-static cl::opt<std::string>
-DebugCompilationDir("fdebug-compilation-dir",
- cl::desc("Specifies the debug info's compilation dir"));
-
-static cl::list<std::string>
-DebugPrefixMap("fdebug-prefix-map",
- cl::desc("Map file source paths in debug info"),
- cl::value_desc("= separated key-value pairs"));
-
-static cl::opt<std::string>
-MainFileName("main-file-name",
- cl::desc("Specifies the name we should consider the input file"));
-
-static cl::opt<bool> SaveTempLabels("save-temp-labels",
- cl::desc("Don't discard temporary labels"));
-
-enum ActionType {
- AC_AsLex,
- AC_Assemble,
- AC_Disassemble,
- AC_MDisassemble,
+
+class MLOptTable : public opt::OptTable {
+public:
+ MLOptTable() : OptTable(InfoTable, /*IgnoreCase=*/false) {}
};
+} // namespace
-static cl::opt<ActionType>
-Action(cl::desc("Action to perform:"),
- cl::init(AC_Assemble),
- cl::values(clEnumValN(AC_AsLex, "as-lex",
- "Lex tokens from a .asm file"),
- clEnumValN(AC_Assemble, "assemble",
- "Assemble a .asm file (default)"),
- clEnumValN(AC_Disassemble, "disassemble",
- "Disassemble strings of hex bytes"),
- clEnumValN(AC_MDisassemble, "mdis",
- "Marked up disassembly of strings of hex bytes")));
-
-static const Target *GetTarget(const char *ProgName) {
+static Triple GetTriple(StringRef ProgName, opt::InputArgList &Args) {
// Figure out the target triple.
- if (TripleName.empty()) {
- if (Bitness == m32)
- TripleName = "i386-pc-windows";
- else if (Bitness == m64)
- TripleName = "x86_64-pc-windows";
- }
- Triple TheTriple(Triple::normalize(TripleName));
-
- // Get the target specific parser.
- std::string Error;
- const Target *TheTarget = TargetRegistry::lookupTarget("", TheTriple, Error);
- if (!TheTarget) {
- WithColor::error(errs(), ProgName) << Error;
- return nullptr;
- }
-
- // Update the triple name and return the found target.
- TripleName = TheTriple.getTriple();
- return TheTarget;
+ StringRef DefaultBitness = "32";
+ SmallString<255> Program = ProgName;
+ sys::path::replace_extension(Program, "");
+ if (Program.endswith("ml64"))
+ DefaultBitness = "64";
+
+ StringRef TripleName =
+ StringSwitch<StringRef>(Args.getLastArgValue(OPT_bitness, DefaultBitness))
+ .Case("32", "i386-pc-windows")
+ .Case("64", "x86_64-pc-windows")
+ .Default("");
+ return Triple(Triple::normalize(TripleName));
}
static std::unique_ptr<ToolOutputFile> GetOutputStream(StringRef Path) {
@@ -197,10 +124,11 @@ static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI, raw_ostream &OS) {
return Error;
}
-static int AssembleInput(const char *ProgName, const Target *TheTarget,
+static int AssembleInput(StringRef ProgName, const Target *TheTarget,
SourceMgr &SrcMgr, MCContext &Ctx, MCStreamer &Str,
MCAsmInfo &MAI, MCSubtargetInfo &STI,
- MCInstrInfo &MCII, MCTargetOptions &MCOptions) {
+ MCInstrInfo &MCII, MCTargetOptions &MCOptions,
+ const opt::ArgList &InputArgs) {
std::unique_ptr<MCAsmParser> Parser(
createMCMasmParser(SrcMgr, Ctx, Str, MAI, 0));
std::unique_ptr<MCTargetAsmParser> TAP(
@@ -212,7 +140,7 @@ static int AssembleInput(const char *ProgName, const Target *TheTarget,
return 1;
}
- Parser->setShowParsedOperands(ShowInstOperands);
+ Parser->setShowParsedOperands(InputArgs.hasArg(OPT_show_inst_operands));
Parser->setTargetParser(*TAP);
Parser->getLexer().setLexMasmIntegers(true);
Parser->getLexer().useMasmDefaultRadix(true);
@@ -224,8 +152,9 @@ static int AssembleInput(const char *ProgName, const Target *TheTarget,
return Res;
}
-int main(int argc, char **argv) {
- InitLLVM X(argc, argv);
+int main(int Argc, char **Argv) {
+ InitLLVM X(Argc, Argv);
+ StringRef ProgName = sys::path::filename(Argv[0]);
// Initialize targets and assembly printers/parsers.
llvm::InitializeAllTargetInfos();
@@ -233,21 +162,75 @@ int main(int argc, char **argv) {
llvm::InitializeAllAsmParsers();
llvm::InitializeAllDisassemblers();
- // Register the target printer for --version.
- cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
+ MLOptTable T;
+ unsigned MissingArgIndex, MissingArgCount;
+ ArrayRef<const char *> ArgsArr = makeArrayRef(Argv + 1, Argc - 1);
+ opt::InputArgList InputArgs =
+ T.ParseArgs(ArgsArr, MissingArgIndex, MissingArgCount);
+
+ std::string InputFilename;
+ for (auto *Arg : InputArgs.filtered(OPT_INPUT)) {
+ std::string ArgString = Arg->getAsString(InputArgs);
+ if (ArgString == "-" || StringRef(ArgString).endswith(".asm")) {
+ if (!InputFilename.empty()) {
+ WithColor::warning(errs(), ProgName)
+ << "does not support multiple assembly files in one command; "
+ << "ignoring '" << InputFilename << "'\n";
+ }
+ InputFilename = ArgString;
+ } else {
+ std::string Diag;
+ raw_string_ostream OS(Diag);
+ OS << "invalid option '" << ArgString << "'";
+
+ std::string Nearest;
+ if (T.findNearest(ArgString, Nearest) < 2)
+ OS << ", did you mean '" << Nearest << "'?";
+
+ WithColor::error(errs(), ProgName) << OS.str() << '\n';
+ exit(1);
+ }
+ }
+ for (auto *Arg : InputArgs.filtered(OPT_assembly_file)) {
+ if (!InputFilename.empty()) {
+ WithColor::warning(errs(), ProgName)
+ << "does not support multiple assembly files in one command; "
+ << "ignoring '" << InputFilename << "'\n";
+ }
+ InputFilename = Arg->getAsString(InputArgs);
+ }
+
+ for (auto *Arg : InputArgs.filtered(OPT_unsupported_Group)) {
+ WithColor::warning(errs(), ProgName)
+ << "ignoring unsupported '" << Arg->getOption().getName()
+ << "' option\n";
+ }
+
+ if (InputArgs.hasArg(OPT_help)) {
+ std::string Usage = llvm::formatv("{0} [ /options ] file", ProgName).str();
+ T.PrintHelp(outs(), Usage.c_str(), "LLVM MASM Assembler",
+ /*ShowHidden=*/false);
+ return 0;
+ } else if (InputFilename.empty()) {
+ outs() << "USAGE: " << ProgName << " [ /options ] file\n"
+ << "Run \"" << ProgName << " /?\" or \"" << ProgName
+ << " /help\" for more info.\n";
+ return 0;
+ }
- cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
- MCTargetOptions MCOptions = mc::InitMCTargetOptionsFromFlags();
+ MCTargetOptions MCOptions;
MCOptions.AssemblyLanguage = "masm";
- const char *ProgName = argv[0];
- const Target *TheTarget = GetTarget(ProgName);
- if (!TheTarget)
+ Triple TheTriple = GetTriple(ProgName, InputArgs);
+ std::string Error;
+ const Target *TheTarget = TargetRegistry::lookupTarget("", TheTriple, Error);
+ if (!TheTarget) {
+ WithColor::error(errs(), ProgName) << Error;
return 1;
- // Now that GetTarget() has (potentially) replaced TripleName, it's safe to
- // construct the Triple object.
- Triple TheTriple(TripleName);
+ }
+ const std::string &TripleName = TheTriple.getTriple();
+ bool SafeSEH = InputArgs.hasArg(OPT_safeseh);
if (SafeSEH && !(TheTriple.isArch32Bit() && TheTriple.isX86())) {
WithColor::warning()
<< "/safeseh applies only to 32-bit X86 platforms; ignoring.\n";
@@ -261,7 +244,6 @@ int main(int argc, char **argv) {
<< InputFilename << ": " << EC.message() << '\n';
return 1;
}
- MemoryBuffer *Buffer = BufferPtr->get();
SourceMgr SrcMgr;
@@ -270,7 +252,7 @@ int main(int argc, char **argv) {
// Record the location of the include directories so that the lexer can find
// it later.
- SrcMgr.setIncludeDirs(IncludeDirs);
+ SrcMgr.setIncludeDirs(InputArgs.getAllArgValues(OPT_include_path));
std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
assert(MRI && "Unable to create target register info!");
@@ -279,7 +261,7 @@ int main(int argc, char **argv) {
TheTarget->createMCAsmInfo(*MRI, TripleName, MCOptions));
assert(MAI && "Unable to create target asm info!");
- MAI->setPreserveAsmComments(PreserveComments);
+ MAI->setPreserveAsmComments(InputArgs.hasArg(OPT_preserve_comments));
// FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
// MCObjectFileInfo needs a MCContext reference in order to initialize itself.
@@ -288,24 +270,25 @@ int main(int argc, char **argv) {
MOFI.InitMCObjectFileInfo(TheTriple, /*PIC=*/false, Ctx,
/*LargeCodeModel=*/true);
- if (SaveTempLabels)
+ if (InputArgs.hasArg(OPT_save_temp_labels))
Ctx.setAllowTemporaryLabels(false);
- if (!DebugCompilationDir.empty()) {
- Ctx.setCompilationDir(DebugCompilationDir);
+ // Set compilation information.
+ SmallString<128> CWD;
+ if (!sys::fs::current_path(CWD))
+ Ctx.setCompilationDir(CWD);
+ Ctx.setMainFileName(InputFilename);
+
+ StringRef FileType = InputArgs.getLastArgValue(OPT_filetype, "obj");
+ SmallString<255> DefaultOutputFilename;
+ if (InputArgs.hasArg(OPT_as_lex)) {
+ DefaultOutputFilename = "-";
} else {
- // If no compilation dir is set, try to use the current directory.
- SmallString<128> CWD;
- if (!sys::fs::current_path(CWD))
- Ctx.setCompilationDir(CWD);
- }
- for (const auto &Arg : DebugPrefixMap) {
- const auto &KV = StringRef(Arg).split('=');
- Ctx.addDebugPrefixMapEntry(std::string(KV.first), std::string(KV.second));
+ DefaultOutputFilename = InputFilename;
+ sys::path::replace_extension(DefaultOutputFilename, FileType);
}
- if (!MainFileName.empty())
- Ctx.setMainFileName(MainFileName);
-
+ const StringRef OutputFilename =
+ InputArgs.getLastArgValue(OPT_output_file, DefaultOutputFilename);
std::unique_ptr<ToolOutputFile> Out = GetOutputStream(OutputFilename);
if (!Out)
return 1;
@@ -322,11 +305,12 @@ int main(int argc, char **argv) {
assert(STI && "Unable to create subtarget info!");
MCInstPrinter *IP = nullptr;
- if (FileType == OFT_AssemblyFile) {
+ if (FileType == "s") {
+ const bool OutputATTAsm = InputArgs.hasArg(OPT_output_att_asm);
const unsigned OutputAsmVariant = OutputATTAsm ? 0U // ATT dialect
: 1U; // Intel dialect
- IP = TheTarget->createMCInstPrinter(Triple(TripleName), OutputAsmVariant,
- *MAI, *MCII, *MRI);
+ IP = TheTarget->createMCInstPrinter(TheTriple, OutputAsmVariant, *MAI,
+ *MCII, *MRI);
if (!IP) {
WithColor::error()
@@ -337,26 +321,24 @@ int main(int argc, char **argv) {
}
// Set the display preference for hex vs. decimal immediates.
- IP->setPrintImmHex(PrintImmHex);
+ IP->setPrintImmHex(InputArgs.hasArg(OPT_print_imm_hex));
// Set up the AsmStreamer.
std::unique_ptr<MCCodeEmitter> CE;
- if (ShowEncoding)
+ if (InputArgs.hasArg(OPT_show_encoding))
CE.reset(TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
std::unique_ptr<MCAsmBackend> MAB(
TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
auto FOut = std::make_unique<formatted_raw_ostream>(*OS);
- Str.reset(
- TheTarget->createAsmStreamer(Ctx, std::move(FOut), /*asmverbose*/ true,
- /*useDwarfDirectory*/ true, IP,
- std::move(CE), std::move(MAB), ShowInst));
+ Str.reset(TheTarget->createAsmStreamer(
+ Ctx, std::move(FOut), /*asmverbose*/ true,
+ /*useDwarfDirectory*/ true, IP, std::move(CE), std::move(MAB),
+ InputArgs.hasArg(OPT_show_inst)));
- } else if (FileType == OFT_Null) {
+ } else if (FileType == "null") {
Str.reset(TheTarget->createNullStreamer(Ctx));
- } else {
- assert(FileType == OFT_ObjectFile && "Invalid file type!");
-
+ } else if (FileType == "obj") {
if (!Out->os().supportsSeeking()) {
BOS = std::make_unique<buffer_ostream>(Out->os());
OS = BOS.get();
@@ -369,6 +351,8 @@ int main(int argc, char **argv) {
MAB->createObjectWriter(*OS), std::unique_ptr<MCCodeEmitter>(CE), *STI,
MCOptions.MCRelaxAll, MCOptions.MCIncrementalLinkerCompatible,
/*DWARFMustBeAtTheEnd*/ false));
+ } else {
+ llvm_unreachable("Invalid file type!");
}
if (TheTriple.isOSBinFormatCOFF()) {
@@ -392,27 +376,13 @@ int main(int argc, char **argv) {
Str->setUseAssemblerInfoForParsing(true);
int Res = 1;
- bool disassemble = false;
- switch (Action) {
- case AC_AsLex:
+ if (InputArgs.hasArg(OPT_as_lex)) {
+ // -as-lex; Lex only, and output a stream of tokens
Res = AsLexInput(SrcMgr, *MAI, Out->os());
- break;
- case AC_Assemble:
+ } else {
Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI,
- *MCII, MCOptions);
- break;
- case AC_MDisassemble:
- assert(IP && "Expected assembly output");
- IP->setUseMarkup(1);
- disassemble = true;
- break;
- case AC_Disassemble:
- disassemble = true;
- break;
+ *MCII, MCOptions, InputArgs);
}
- if (disassemble)
- Res = Disassembler::disassemble(*TheTarget, TripleName, *STI, *Str, *Buffer,
- SrcMgr, Out->os());
// Keep output if no errors.
if (Res == 0)
generated by cgit v1.1 at 2025-10-20 17:30:48 +0000