1bb4688a9cf385ccada90ebeb04b3ba5827bf213dChris Lattner//===-- llvm-mc.cpp - Machine Code Hacking Driver -------------------------===// 2f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner// 3f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner// The LLVM Compiler Infrastructure 4f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner// 5f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner// This file is distributed under the University of Illinois Open Source 6f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner// License. See LICENSE.TXT for details. 7f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner// 8f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner//===----------------------------------------------------------------------===// 9f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner// 10bb4688a9cf385ccada90ebeb04b3ba5827bf213dChris Lattner// This utility is a simple driver that allows command line hacking on machine 11bb4688a9cf385ccada90ebeb04b3ba5827bf213dChris Lattner// code. 12f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner// 13f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner//===----------------------------------------------------------------------===// 14f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 15f010c464a11444733ec67e31aace8bcebeaf2588Chandler Carruth#include "Disassembler.h" 1678c10eeaa57d1c6c4b7781d3c0bcb0cfbbc43b5cEvan Cheng#include "llvm/MC/MCAsmBackend.h" 17fb22ede033f792196643bad0ceafe473366ddf41Craig Topper#include "llvm/MC/MCAsmInfo.h" 18f010c464a11444733ec67e31aace8bcebeaf2588Chandler Carruth#include "llvm/MC/MCContext.h" 1990edac0e8b35f766599362b6301863229f0ddcdbChris Lattner#include "llvm/MC/MCInstPrinter.h" 2059ee62d2418df8db499eca1ae17f5900dc2dcbbaEvan Cheng#include "llvm/MC/MCInstrInfo.h" 21e76a33b9567d78a5744dc52fcec3a6056d6fb576Evan Cheng#include "llvm/MC/MCObjectFileInfo.h" 22f010c464a11444733ec67e31aace8bcebeaf2588Chandler Carruth#include "llvm/MC/MCParser/AsmLexer.h" 23e76a33b9567d78a5744dc52fcec3a6056d6fb576Evan Cheng#include "llvm/MC/MCRegisterInfo.h" 24f9bdeddb96043559c61f176f8077e3b91a0c544fChris Lattner#include "llvm/MC/MCSectionMachO.h" 25cbc23f75cd8cd6889fd02f65b63f6c02512460bdChris Lattner#include "llvm/MC/MCStreamer.h" 26ffc0e73046f737d75e0a62b3a83ef19bcef111e3Evan Cheng#include "llvm/MC/MCSubtargetInfo.h" 2794b9550a32d189704a8eae55505edf62662c0534Evan Cheng#include "llvm/MC/MCTargetAsmParser.h" 28dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines#include "llvm/MC/MCTargetOptionsCommandFlags.h" 29f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/CommandLine.h" 3036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/Support/Compression.h" 31d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman#include "llvm/Support/FileUtilities.h" 32c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar#include "llvm/Support/FormattedStream.h" 33f010c464a11444733ec67e31aace8bcebeaf2588Chandler Carruth#include "llvm/Support/Host.h" 34f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/ManagedStatic.h" 35f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/MemoryBuffer.h" 36f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/PrettyStackTrace.h" 371f6efa3996dd1929fbc129203ce5009b620e6969Michael J. Spencer#include "llvm/Support/Signals.h" 38f010c464a11444733ec67e31aace8bcebeaf2588Chandler Carruth#include "llvm/Support/SourceMgr.h" 393e74d6fdd248e20a280f1dff3da9a6c689c2c4c3Evan Cheng#include "llvm/Support/TargetRegistry.h" 403e74d6fdd248e20a280f1dff3da9a6c689c2c4c3Evan Cheng#include "llvm/Support/TargetSelect.h" 41f010c464a11444733ec67e31aace8bcebeaf2588Chandler Carruth#include "llvm/Support/ToolOutputFile.h" 42f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattnerusing namespace llvm; 43f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 44f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattnerstatic cl::opt<std::string> 45f9f065e45500823cdeb25bde2154d871ab6e9125Chris LattnerInputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-")); 46f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 47f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattnerstatic cl::opt<std::string> 48f9f065e45500823cdeb25bde2154d871ab6e9125Chris LattnerOutputFilename("o", cl::desc("Output filename"), 49f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner cl::value_desc("filename")); 50f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 51f2f6b0c0e9088da25a0367c88263ef8e7637a82cDaniel Dunbarstatic cl::opt<bool> 52f2f6b0c0e9088da25a0367c88263ef8e7637a82cDaniel DunbarShowEncoding("show-encoding", cl::desc("Show instruction encodings")); 53f2f6b0c0e9088da25a0367c88263ef8e7637a82cDaniel Dunbar 549dee8e3009408fd08c656558397a8ac8604139baDaniel Dunbarstatic cl::opt<bool> 55c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen HinesCompressDebugSections("compress-debug-sections", 56c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines cl::desc("Compress DWARF debug sections")); 5736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 5836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic cl::opt<bool> 599dee8e3009408fd08c656558397a8ac8604139baDaniel DunbarShowInst("show-inst", cl::desc("Show internal instruction representation")); 609dee8e3009408fd08c656558397a8ac8604139baDaniel Dunbar 613c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel Dunbarstatic cl::opt<bool> 623c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel DunbarShowInstOperands("show-inst-operands", 633c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel Dunbar cl::desc("Show instructions operands as parsed")); 643c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel Dunbar 65e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattnerstatic cl::opt<unsigned> 66e895c6151589c1b7f6ac9ca992b76106fa197a37Chris LattnerOutputAsmVariant("output-asm-variant", 67e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattner cl::desc("Syntax variant to use for output printing")); 68e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattner 69c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hinesstatic cl::opt<bool> 70c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen HinesPrintImmHex("print-imm-hex", cl::init(false), 71c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines cl::desc("Prefer hex format for immediate values")); 72c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines 73fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbarenum OutputFileType { 742d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar OFT_Null, 75fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar OFT_AssemblyFile, 76fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar OFT_ObjectFile 77fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar}; 78fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbarstatic cl::opt<OutputFileType> 79fb4a6b397665df011348ade24a8e38d2219f095aDaniel DunbarFileType("filetype", cl::init(OFT_AssemblyFile), 80fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar cl::desc("Choose an output file type:"), 81fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar cl::values( 82fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValN(OFT_AssemblyFile, "asm", 83fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar "Emit an assembly ('.s') file"), 842d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar clEnumValN(OFT_Null, "null", 852d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar "Don't emit anything (for timing purposes)"), 86fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValN(OFT_ObjectFile, "obj", 87fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar "Emit a native object ('.o') file"), 88fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValEnd)); 89fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar 90b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerstatic cl::list<std::string> 91b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris LattnerIncludeDirs("I", cl::desc("Directory of include files"), 92b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner cl::value_desc("directory"), cl::Prefix); 93f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 94b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbarstatic cl::opt<std::string> 95181ab6a854162da908310e23714b43b0091c9094Daniel DunbarArchName("arch", cl::desc("Target arch to assemble for, " 96916a94b870042772568fca7995cf45aef7a6e333Bill Wendling "see -version for available targets")); 97181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar 98181ab6a854162da908310e23714b43b0091c9094Daniel Dunbarstatic cl::opt<std::string> 99ed1f1687b790b444c29c9cdc5ea646be0783c1cdNick LewyckyTripleName("triple", cl::desc("Target triple to assemble for, " 100181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar "see -version for available targets")); 101b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar 102d2f14256f06725840f35adcc2557b48fc9ade694Jim Grosbachstatic cl::opt<std::string> 103d2f14256f06725840f35adcc2557b48fc9ade694Jim GrosbachMCPU("mcpu", 104d2f14256f06725840f35adcc2557b48fc9ade694Jim Grosbach cl::desc("Target a specific cpu type (-mcpu=help for details)"), 105d2f14256f06725840f35adcc2557b48fc9ade694Jim Grosbach cl::value_desc("cpu-name"), 106d2f14256f06725840f35adcc2557b48fc9ade694Jim Grosbach cl::init("")); 107d2f14256f06725840f35adcc2557b48fc9ade694Jim Grosbach 108b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloystatic cl::list<std::string> 109b950585cc5a0d665e9accfe5ce490cd269756f2eJames MolloyMAttrs("mattr", 110b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy cl::CommaSeparated, 111b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy cl::desc("Target specific attributes (-mattr=help for details)"), 112b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy cl::value_desc("a1,+a2,-a3,...")); 113b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy 114439661395fd2a2a832dba01c65bc88718528313cEvan Chengstatic cl::opt<Reloc::Model> 115439661395fd2a2a832dba01c65bc88718528313cEvan ChengRelocModel("relocation-model", 116439661395fd2a2a832dba01c65bc88718528313cEvan Cheng cl::desc("Choose relocation model"), 117439661395fd2a2a832dba01c65bc88718528313cEvan Cheng cl::init(Reloc::Default), 118439661395fd2a2a832dba01c65bc88718528313cEvan Cheng cl::values( 119439661395fd2a2a832dba01c65bc88718528313cEvan Cheng clEnumValN(Reloc::Default, "default", 120439661395fd2a2a832dba01c65bc88718528313cEvan Cheng "Target default relocation model"), 121439661395fd2a2a832dba01c65bc88718528313cEvan Cheng clEnumValN(Reloc::Static, "static", 122439661395fd2a2a832dba01c65bc88718528313cEvan Cheng "Non-relocatable code"), 123439661395fd2a2a832dba01c65bc88718528313cEvan Cheng clEnumValN(Reloc::PIC_, "pic", 124439661395fd2a2a832dba01c65bc88718528313cEvan Cheng "Fully relocatable, position independent code"), 125439661395fd2a2a832dba01c65bc88718528313cEvan Cheng clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic", 126439661395fd2a2a832dba01c65bc88718528313cEvan Cheng "Relocatable external references, non-relocatable code"), 127439661395fd2a2a832dba01c65bc88718528313cEvan Cheng clEnumValEnd)); 128439661395fd2a2a832dba01c65bc88718528313cEvan Cheng 12934ad6db8b958fdc0d38e122edf753b5326e69b03Evan Chengstatic cl::opt<llvm::CodeModel::Model> 13034ad6db8b958fdc0d38e122edf753b5326e69b03Evan ChengCMModel("code-model", 13134ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng cl::desc("Choose code model"), 13234ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng cl::init(CodeModel::Default), 13334ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng cl::values(clEnumValN(CodeModel::Default, "default", 13434ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng "Target default code model"), 13534ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng clEnumValN(CodeModel::Small, "small", 13634ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng "Small code model"), 13734ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng clEnumValN(CodeModel::Kernel, "kernel", 13834ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng "Kernel code model"), 13934ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng clEnumValN(CodeModel::Medium, "medium", 14034ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng "Medium code model"), 14134ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng clEnumValN(CodeModel::Large, "large", 14234ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng "Large code model"), 14334ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng clEnumValEnd)); 14434ad6db8b958fdc0d38e122edf753b5326e69b03Evan Cheng 1455e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel Dunbarstatic cl::opt<bool> 146916a94b870042772568fca7995cf45aef7a6e333Bill WendlingNoInitialTextSection("n", cl::desc("Don't assume assembly file starts " 147916a94b870042772568fca7995cf45aef7a6e333Bill Wendling "in the text section")); 1485e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel Dunbar 149c6cf43d25853efb4a6765954eda52a45998a47f2Daniel Dunbarstatic cl::opt<bool> 150613b7576896fbd03fe495f4ee27b404f81386774Kevin EnderbyGenDwarfForAssembly("g", cl::desc("Generate dwarf debugging info for assembly " 151613b7576896fbd03fe495f4ee27b404f81386774Kevin Enderby "source files")); 152613b7576896fbd03fe495f4ee27b404f81386774Kevin Enderby 1536c31d313575bba1b87b583260f39f0b0dae143f4Chandler Carruthstatic cl::opt<std::string> 1546c31d313575bba1b87b583260f39f0b0dae143f4Chandler CarruthDebugCompilationDir("fdebug-compilation-dir", 1556c31d313575bba1b87b583260f39f0b0dae143f4Chandler Carruth cl::desc("Specifies the debug info's compilation dir")); 1566c31d313575bba1b87b583260f39f0b0dae143f4Chandler Carruth 1576c583141bf6b7a6b5f8125c1037ecbc089813288Eric Christopherstatic cl::opt<std::string> 1586c583141bf6b7a6b5f8125c1037ecbc089813288Eric ChristopherMainFileName("main-file-name", 1596c583141bf6b7a6b5f8125c1037ecbc089813288Eric Christopher cl::desc("Specifies the name we should consider the input file")); 1606c583141bf6b7a6b5f8125c1037ecbc089813288Eric Christopher 161dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic cl::opt<bool> SaveTempLabels("save-temp-labels", 162dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines cl::desc("Don't discard temporary labels")); 163dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 164dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hinesstatic cl::opt<bool> NoExecStack("no-exec-stack", 165dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines cl::desc("File doesn't need an exec stack")); 166dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines 167b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerenum ActionType { 16827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner AC_AsLex, 169ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan AC_Assemble, 170668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan AC_Disassemble, 17114ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby AC_MDisassemble, 172b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner}; 173f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 174b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerstatic cl::opt<ActionType> 175b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris LattnerAction(cl::desc("Action to perform:"), 17627aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner cl::init(AC_Assemble), 17727aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner cl::values(clEnumValN(AC_AsLex, "as-lex", 17827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner "Lex tokens from a .s file"), 17927aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner clEnumValN(AC_Assemble, "assemble", 180b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner "Assemble a .s file (default)"), 181ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan clEnumValN(AC_Disassemble, "disassemble", 182ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan "Disassemble strings of hex bytes"), 1833ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby clEnumValN(AC_MDisassemble, "mdis", 1843ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby "Marked up disassembly of strings of hex bytes"), 185b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner clEnumValEnd)); 186f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 1879823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderbystatic const Target *GetTarget(const char *ProgName) { 188181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar // Figure out the target triple. 189181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar if (TripleName.empty()) 1900173864d8a87d9243d304fbf91b556e20b5a32fcSebastian Pop TripleName = sys::getDefaultTargetTriple(); 191d6dcf39ca824f6df42de92328d08ad5d4b3d6bd2Evan Cheng Triple TheTriple(Triple::normalize(TripleName)); 192d6dcf39ca824f6df42de92328d08ad5d4b3d6bd2Evan Cheng 1939ed9e5d0f994c7721185eba963ea9b907dabcde6Kevin Enderby // Get the target specific parser. 1949ed9e5d0f994c7721185eba963ea9b907dabcde6Kevin Enderby std::string Error; 1959ed9e5d0f994c7721185eba963ea9b907dabcde6Kevin Enderby const Target *TheTarget = TargetRegistry::lookupTarget(ArchName, TheTriple, 1969ed9e5d0f994c7721185eba963ea9b907dabcde6Kevin Enderby Error); 1979ed9e5d0f994c7721185eba963ea9b907dabcde6Kevin Enderby if (!TheTarget) { 1989ed9e5d0f994c7721185eba963ea9b907dabcde6Kevin Enderby errs() << ProgName << ": " << Error; 199dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return nullptr; 200181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar } 201181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar 2029ed9e5d0f994c7721185eba963ea9b907dabcde6Kevin Enderby // Update the triple name and return the found target. 203d6dcf39ca824f6df42de92328d08ad5d4b3d6bd2Evan Cheng TripleName = TheTriple.getTriple(); 204d6dcf39ca824f6df42de92328d08ad5d4b3d6bd2Evan Cheng return TheTarget; 2059823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby} 2069823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 207ebe69fe11e48d322045d5949c83283927a0d790bStephen Hinesstatic std::unique_ptr<tool_output_file> GetOutputStream() { 208d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman if (OutputFilename == "") 209d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman OutputFilename = "-"; 210d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman 21137ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines std::error_code EC; 212ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines auto Out = llvm::make_unique<tool_output_file>(OutputFilename, EC, 213ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines sys::fs::F_None); 21437ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines if (EC) { 21537ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines errs() << EC.message() << '\n'; 216dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return nullptr; 217d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman } 218d4c454317a38d65957edebe62bfc69fc8d9885e8Dan Gohman 219d4c454317a38d65957edebe62bfc69fc8d9885e8Dan Gohman return Out; 220d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman} 221d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman 22294c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderbystatic std::string DwarfDebugFlags; 22394c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderbystatic void setDwarfDebugFlags(int argc, char **argv) { 22494c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby if (!getenv("RC_DEBUG_OPTIONS")) 22594c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby return; 22694c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby for (int i = 0; i < argc; i++) { 22794c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby DwarfDebugFlags += argv[i]; 22894c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby if (i + 1 < argc) 22994c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby DwarfDebugFlags += " "; 23094c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby } 23194c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby} 23294c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby 23375c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderbystatic std::string DwarfDebugProducer; 23475c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderbystatic void setDwarfDebugProducer(void) { 23575c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby if(!getenv("DEBUG_PRODUCER")) 23675c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby return; 23775c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby DwarfDebugProducer += getenv("DEBUG_PRODUCER"); 23875c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby} 23975c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby 240c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hinesstatic int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI, 241ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines raw_ostream &OS) { 2429823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 243d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton AsmLexer Lexer(MAI); 244c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines Lexer.setBuffer(SrcMgr.getMemoryBuffer(SrcMgr.getMainFileID())->getBuffer()); 245346cc61cd20c41ef15ed824d28c81f40f1b28590Daniel Dunbar 24627aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner bool Error = false; 247a3c924f83aefd4c883ed17a200876d258e0ad1e2Daniel Dunbar while (Lexer.Lex().isNot(AsmToken::Eof)) { 24854b636930b9d782be934c3881b296f971203ced3Daniel Dunbar AsmToken Tok = Lexer.getTok(); 24954b636930b9d782be934c3881b296f971203ced3Daniel Dunbar 25054b636930b9d782be934c3881b296f971203ced3Daniel Dunbar switch (Tok.getKind()) { 25127aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner default: 2523f2d5f60b31fd057c10f77b2e607b23a8c94f6d3Chris Lattner SrcMgr.PrintMessage(Lexer.getLoc(), SourceMgr::DK_Warning, 2533f2d5f60b31fd057c10f77b2e607b23a8c94f6d3Chris Lattner "unknown token"); 25427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner Error = true; 25527aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner break; 2563f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Error: 25727aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner Error = true; // error already printed. 2584651bca31bdad27184fa0d36640bf5ef1d83cf5cChris Lattner break; 2593f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Identifier: 260ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines OS << "identifier: " << Lexer.getTok().getString(); 261a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner break; 2623f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Integer: 263ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines OS << "int: " << Lexer.getTok().getString(); 264a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner break; 26554f0a625b0eb9afeece652a8462755010d237c78Daniel Dunbar case AsmToken::Real: 266ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines OS << "real: " << Lexer.getTok().getString(); 26754f0a625b0eb9afeece652a8462755010d237c78Daniel Dunbar break; 268f969868271f25df126047d0844f45b5e3b844b6dDaniel Dunbar case AsmToken::String: 269ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines OS << "string: " << Lexer.getTok().getString(); 270f969868271f25df126047d0844f45b5e3b844b6dDaniel Dunbar break; 271165e8344d833147268810bbec18276dafe0122b9Daniel Dunbar 272ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Amp: OS << "Amp"; break; 273ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::AmpAmp: OS << "AmpAmp"; break; 274ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::At: OS << "At"; break; 275ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Caret: OS << "Caret"; break; 276ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Colon: OS << "Colon"; break; 277ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Comma: OS << "Comma"; break; 278ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Dollar: OS << "Dollar"; break; 279ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Dot: OS << "Dot"; break; 280ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::EndOfStatement: OS << "EndOfStatement"; break; 281ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Eof: OS << "Eof"; break; 282ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Equal: OS << "Equal"; break; 283ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::EqualEqual: OS << "EqualEqual"; break; 284ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Exclaim: OS << "Exclaim"; break; 285ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::ExclaimEqual: OS << "ExclaimEqual"; break; 286ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Greater: OS << "Greater"; break; 287ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::GreaterEqual: OS << "GreaterEqual"; break; 288ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::GreaterGreater: OS << "GreaterGreater"; break; 289ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Hash: OS << "Hash"; break; 290ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::LBrac: OS << "LBrac"; break; 291ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::LCurly: OS << "LCurly"; break; 292ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::LParen: OS << "LParen"; break; 293ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Less: OS << "Less"; break; 294ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::LessEqual: OS << "LessEqual"; break; 295ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::LessGreater: OS << "LessGreater"; break; 296ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::LessLess: OS << "LessLess"; break; 297ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Minus: OS << "Minus"; break; 298ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Percent: OS << "Percent"; break; 299ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Pipe: OS << "Pipe"; break; 300ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::PipePipe: OS << "PipePipe"; break; 301ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Plus: OS << "Plus"; break; 302ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::RBrac: OS << "RBrac"; break; 303ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::RCurly: OS << "RCurly"; break; 304ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::RParen: OS << "RParen"; break; 305ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Slash: OS << "Slash"; break; 306ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Star: OS << "Star"; break; 307ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines case AsmToken::Tilde: OS << "Tilde"; break; 308a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner } 30954b636930b9d782be934c3881b296f971203ced3Daniel Dunbar 31054b636930b9d782be934c3881b296f971203ced3Daniel Dunbar // Print the token string. 311ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines OS << " (\""; 312ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines OS.write_escaped(Tok.getString()); 313ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines OS << "\")\n"; 314a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner } 315bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 316d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman return Error; 317bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar} 318bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 31936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hinesstatic int AssembleInput(const char *ProgName, const Target *TheTarget, 320d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton SourceMgr &SrcMgr, MCContext &Ctx, MCStreamer &Str, 321c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines MCAsmInfo &MAI, MCSubtargetInfo &STI, 322c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines MCInstrInfo &MCII, MCTargetOptions &MCOptions) { 323dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines std::unique_ptr<MCAsmParser> Parser( 324dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines createMCAsmParser(SrcMgr, Ctx, Str, MAI)); 32536b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::unique_ptr<MCTargetAsmParser> TAP( 326c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines TheTarget->createMCAsmParser(STI, *Parser, MCII, MCOptions)); 327c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines 328d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton if (!TAP) { 329d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton errs() << ProgName 330d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton << ": error: this target does not support assembly parsing.\n"; 331d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton return 1; 332d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton } 333d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 334d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton Parser->setShowParsedOperands(ShowInstOperands); 335ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines Parser->setTargetParser(*TAP); 336d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 337d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton int Res = Parser->Run(NoInitialTextSection); 338d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 339d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton return Res; 340d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton} 341d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 342d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Bartonint main(int argc, char **argv) { 343d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton // Print a stack trace if we signal out. 344d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton sys::PrintStackTraceOnErrorSignal(); 345d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton PrettyStackTraceProgram X(argc, argv); 346d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. 347d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 348d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton // Initialize targets and assembly printers/parsers. 349d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton llvm::InitializeAllTargetInfos(); 350d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton llvm::InitializeAllTargetMCs(); 351d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton llvm::InitializeAllAsmParsers(); 352d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton llvm::InitializeAllDisassemblers(); 353d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 354d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton // Register the target printer for --version. 355d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion); 356d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 357d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n"); 358c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines MCTargetOptions MCOptions = InitMCTargetOptionsFromFlags(); 359d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton TripleName = Triple::normalize(TripleName); 3604c5e43da7792f75567b693105cc53e3f1992ad98Pirama Arumuga Nainar Triple TheTriple(TripleName); 361d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton setDwarfDebugFlags(argc, argv); 362d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 36375c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby setDwarfDebugProducer(); 36475c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby 365d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton const char *ProgName = argv[0]; 366c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar const Target *TheTarget = GetTarget(ProgName); 367c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar if (!TheTarget) 368c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar return 1; 369c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 370c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines ErrorOr<std::unique_ptr<MemoryBuffer>> BufferPtr = 371c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines MemoryBuffer::getFileOrSTDIN(InputFilename); 372c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines if (std::error_code EC = BufferPtr.getError()) { 373c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines errs() << ProgName << ": " << EC.message() << '\n'; 37427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner return 1; 37527aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner } 37637ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines MemoryBuffer *Buffer = BufferPtr->get(); 377f5bf3cf7e2a0ff1ca884a83a8b56b5a57f8a5c80Jim Grosbach 37827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner SourceMgr SrcMgr; 379f5bf3cf7e2a0ff1ca884a83a8b56b5a57f8a5c80Jim Grosbach 38012a8a447a4ca5b939f255ae92e7fef490344593aDaniel Dunbar // Tell SrcMgr about this buffer, which is what the parser will pick up. 38137ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines SrcMgr.AddNewSourceBuffer(std::move(*BufferPtr), SMLoc()); 382f5bf3cf7e2a0ff1ca884a83a8b56b5a57f8a5c80Jim Grosbach 38327aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner // Record the location of the include directories so that the lexer can find 38427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner // it later. 38527aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner SrcMgr.setIncludeDirs(IncludeDirs); 386f5bf3cf7e2a0ff1ca884a83a8b56b5a57f8a5c80Jim Grosbach 38736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName)); 3880e6a052331f674dd70e28af41f654a7874405eabEvan Cheng assert(MRI && "Unable to create target register info!"); 3890e6a052331f674dd70e28af41f654a7874405eabEvan Cheng 39036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, TripleName)); 3914a971705bc6030dc2e4338b3cd5cffa2e0f88b7bRafael Espindola assert(MAI && "Unable to create target asm info!"); 3924a971705bc6030dc2e4338b3cd5cffa2e0f88b7bRafael Espindola 39336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (CompressDebugSections) { 39436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines if (!zlib::isAvailable()) { 395c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines errs() << ProgName 396c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines << ": build tools with zlib to enable -compress-debug-sections"; 39736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return 1; 39836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } 39936b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines MAI->setCompressDebugSections(true); 40036b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines } 40136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 402e76a33b9567d78a5744dc52fcec3a6056d6fb576Evan Cheng // FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and 403e76a33b9567d78a5744dc52fcec3a6056d6fb576Evan Cheng // MCObjectFileInfo needs a MCContext reference in order to initialize itself. 404c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines MCObjectFileInfo MOFI; 405c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines MCContext Ctx(MAI.get(), MRI.get(), &MOFI, &SrcMgr); 406c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines MOFI.InitMCObjectFileInfo(TripleName, RelocModel, CMModel, Ctx); 407e76a33b9567d78a5744dc52fcec3a6056d6fb576Evan Cheng 408c6cf43d25853efb4a6765954eda52a45998a47f2Daniel Dunbar if (SaveTempLabels) 409c6cf43d25853efb4a6765954eda52a45998a47f2Daniel Dunbar Ctx.setAllowTemporaryLabels(false); 41089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 411613b7576896fbd03fe495f4ee27b404f81386774Kevin Enderby Ctx.setGenDwarfForAssembly(GenDwarfForAssembly); 412c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines // Default to 4 for dwarf version. 413c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines unsigned DwarfVersion = MCOptions.DwarfVersion ? MCOptions.DwarfVersion : 4; 414dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines if (DwarfVersion < 2 || DwarfVersion > 4) { 415dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines errs() << ProgName << ": Dwarf version " << DwarfVersion 416dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines << " is not supported." << '\n'; 417dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines return 1; 418dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines } 419dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines Ctx.setDwarfVersion(DwarfVersion); 4206c31d313575bba1b87b583260f39f0b0dae143f4Chandler Carruth if (!DwarfDebugFlags.empty()) 42194c2e85bea1ab1b837a4c055ccc83d5cd32dd027Kevin Enderby Ctx.setDwarfDebugFlags(StringRef(DwarfDebugFlags)); 42275c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby if (!DwarfDebugProducer.empty()) 42375c9b9384f50e9387f24dd7ce6af403cbda6d19aKevin Enderby Ctx.setDwarfDebugProducer(StringRef(DwarfDebugProducer)); 4246c31d313575bba1b87b583260f39f0b0dae143f4Chandler Carruth if (!DebugCompilationDir.empty()) 4256c31d313575bba1b87b583260f39f0b0dae143f4Chandler Carruth Ctx.setCompilationDir(DebugCompilationDir); 4266c583141bf6b7a6b5f8125c1037ecbc089813288Eric Christopher if (!MainFileName.empty()) 4276c583141bf6b7a6b5f8125c1037ecbc089813288Eric Christopher Ctx.setMainFileName(MainFileName); 428613b7576896fbd03fe495f4ee27b404f81386774Kevin Enderby 429b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy // Package up features to be passed to target/subtarget 430b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy std::string FeaturesStr; 431b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy if (MAttrs.size()) { 432b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy SubtargetFeatures Features; 433b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy for (unsigned i = 0; i != MAttrs.size(); ++i) 434b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy Features.AddFeature(MAttrs[i]); 435b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy FeaturesStr = Features.getString(); 436b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy } 437b950585cc5a0d665e9accfe5ce490cd269756f2eJames Molloy 438ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines std::unique_ptr<tool_output_file> Out = GetOutputStream(); 439d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman if (!Out) 440d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman return 1; 441d5826a33a5a7c298a8934541d11cda042028be3bDan Gohman 4422c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar std::unique_ptr<buffer_ostream> BOS; 4432c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar raw_pwrite_stream *OS = &Out->os(); 44436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::unique_ptr<MCStreamer> Str; 445f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner 44636b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo()); 44736b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines std::unique_ptr<MCSubtargetInfo> STI( 44836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr)); 449ffc0e73046f737d75e0a62b3a83ef19bcef111e3Evan Cheng 450dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines MCInstPrinter *IP = nullptr; 4519823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby if (FileType == OFT_AssemblyFile) { 4522c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar IP = TheTarget->createMCInstPrinter(Triple(TripleName), OutputAsmVariant, 4532c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar *MAI, *MCII, *MRI); 454c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines 455c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines // Set the display preference for hex vs. decimal immediates. 456c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines IP->setPrintImmHex(PrintImmHex); 457c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines 458c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines // Set up the AsmStreamer. 459dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines MCCodeEmitter *CE = nullptr; 460dce4a407a24b04eebc6a376f8e62b41aaa7b071fStephen Hines MCAsmBackend *MAB = nullptr; 461745dacc91d7ee9531bfba76b21beb5d4eef93a7dDaniel Dunbar if (ShowEncoding) { 4624c5e43da7792f75567b693105cc53e3f1992ad98Pirama Arumuga Nainar CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx); 463c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU); 464745dacc91d7ee9531bfba76b21beb5d4eef93a7dDaniel Dunbar } 4652c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar auto FOut = llvm::make_unique<formatted_raw_ostream>(*OS); 4662c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar Str.reset(TheTarget->createAsmStreamer( 4672c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar Ctx, std::move(FOut), /*asmverbose*/ true, 4682c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar /*useDwarfDirectory*/ true, IP, CE, MAB, ShowInst)); 4695792051bfc6228b2e7c3a0584717d60854d8cd70Jim Grosbach 4702d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar } else if (FileType == OFT_Null) { 471ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines Str.reset(TheTarget->createNullStreamer(Ctx)); 472fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar } else { 473fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar assert(FileType == OFT_ObjectFile && "Invalid file type!"); 4742c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar 4752c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar if (!Out->os().supportsSeeking()) { 4762c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar BOS = make_unique<buffer_ostream>(Out->os()); 4772c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar OS = BOS.get(); 4782c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar } 4792c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar 4804c5e43da7792f75567b693105cc53e3f1992ad98Pirama Arumuga Nainar MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx); 481c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU); 4822c3e0051c31c3f5b2328b447eadf1cf9c4427442Pirama Arumuga Nainar Str.reset(TheTarget->createMCObjectStreamer(TheTriple, Ctx, *MAB, *OS, CE, 4834c5e43da7792f75567b693105cc53e3f1992ad98Pirama Arumuga Nainar *STI, RelaxAll, 4844c5e43da7792f75567b693105cc53e3f1992ad98Pirama Arumuga Nainar /*DWARFMustBeAtTheEnd*/ false)); 48537ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines if (NoExecStack) 48637ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines Str->InitSections(true); 487fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar } 488a0d1426af0bd05e1ae69481cdb75d2913e7e1ac1Daniel Dunbar 489d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton int Res = 1; 49014ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby bool disassemble = false; 491b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner switch (Action) { 49227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner case AC_AsLex: 493ebe69fe11e48d322045d5949c83283927a0d790bStephen Hines Res = AsLexInput(SrcMgr, *MAI, Out->os()); 494d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton break; 495b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner case AC_Assemble: 496c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI, 497c6a4f5e819217e1e12c458aed8e7b122e23a3a58Stephen Hines *MCII, MCOptions); 498d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton break; 4993ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby case AC_MDisassemble: 500533048228fe7bf3bac05e7db3d2f12aaf3f47fa1Eli Bendersky assert(IP && "Expected assembly output"); 5013ed0316f756e2f1730f46654776fcf77f5ace7aaKevin Enderby IP->setUseMarkup(1); 50214ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby disassemble = true; 50314ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby break; 504ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan case AC_Disassemble: 50514ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby disassemble = true; 506d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton break; 507b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner } 50814ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby if (disassemble) 50914ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby Res = Disassembler::disassemble(*TheTarget, TripleName, *STI, *Str, 51014ccc9007a932a23201251ced4be4c898a62d6a5Kevin Enderby *Buffer, SrcMgr, Out->os()); 511d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton 512d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton // Keep output if no errors. 513d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton if (Res == 0) Out->keep(); 514d0c478d95f440b4db76279fe47d6cf734a28fa9aRichard Barton return Res; 515f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner} 516