llvm-mc.cpp revision 9fbb37e10d3b2814877bb8d2893d863fe1da660b
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 159fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar#include "llvm/MC/MCParser/AsmLexer.h" 16c6ef277a0b8f43af22d86aea9d5053749cacfbbbChris Lattner#include "llvm/MC/MCParser/MCAsmLexer.h" 17cbc23f75cd8cd6889fd02f65b63f6c02512460bdChris Lattner#include "llvm/MC/MCContext.h" 184a0abd80f18f9c2a10bf5b14cd6731d51972a426Daniel Dunbar#include "llvm/MC/MCCodeEmitter.h" 1990edac0e8b35f766599362b6301863229f0ddcdbChris Lattner#include "llvm/MC/MCInstPrinter.h" 20f9bdeddb96043559c61f176f8077e3b91a0c544fChris Lattner#include "llvm/MC/MCSectionMachO.h" 21cbc23f75cd8cd6889fd02f65b63f6c02512460bdChris Lattner#include "llvm/MC/MCStreamer.h" 22519466c32fe08bdf9afabfabd60a42f6c827ea6bChris Lattner#include "llvm/Target/TargetAsmBackend.h" 23519466c32fe08bdf9afabfabd60a42f6c827ea6bChris Lattner#include "llvm/Target/TargetAsmParser.h" 24519466c32fe08bdf9afabfabd60a42f6c827ea6bChris Lattner#include "llvm/Target/TargetData.h" 25519466c32fe08bdf9afabfabd60a42f6c827ea6bChris Lattner#include "llvm/Target/TargetRegistry.h" 26519466c32fe08bdf9afabfabd60a42f6c827ea6bChris Lattner#include "llvm/Target/TargetMachine.h" // FIXME. 27519466c32fe08bdf9afabfabd60a42f6c827ea6bChris Lattner#include "llvm/Target/TargetSelect.h" 28cbc23f75cd8cd6889fd02f65b63f6c02512460bdChris Lattner#include "llvm/ADT/OwningPtr.h" 29f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/CommandLine.h" 30c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar#include "llvm/Support/FormattedStream.h" 31f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/ManagedStatic.h" 32f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/MemoryBuffer.h" 33f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/PrettyStackTrace.h" 34b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner#include "llvm/Support/SourceMgr.h" 35f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/Support/raw_ostream.h" 36181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar#include "llvm/System/Host.h" 37f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner#include "llvm/System/Signals.h" 38a3dcfb130044f306632a5fab43854eda4095a09cChris Lattner#include "Disassembler.h" 39f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattnerusing namespace llvm; 40f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 41f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattnerstatic cl::opt<std::string> 42f9f065e45500823cdeb25bde2154d871ab6e9125Chris LattnerInputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-")); 43f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 44f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattnerstatic cl::opt<std::string> 45f9f065e45500823cdeb25bde2154d871ab6e9125Chris LattnerOutputFilename("o", cl::desc("Output filename"), 46f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner cl::value_desc("filename")); 47f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 48f2f6b0c0e9088da25a0367c88263ef8e7637a82cDaniel Dunbarstatic cl::opt<bool> 49f2f6b0c0e9088da25a0367c88263ef8e7637a82cDaniel DunbarShowEncoding("show-encoding", cl::desc("Show instruction encodings")); 50f2f6b0c0e9088da25a0367c88263ef8e7637a82cDaniel Dunbar 519dee8e3009408fd08c656558397a8ac8604139baDaniel Dunbarstatic cl::opt<bool> 529dee8e3009408fd08c656558397a8ac8604139baDaniel DunbarShowInst("show-inst", cl::desc("Show internal instruction representation")); 539dee8e3009408fd08c656558397a8ac8604139baDaniel Dunbar 54e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattnerstatic cl::opt<unsigned> 55e895c6151589c1b7f6ac9ca992b76106fa197a37Chris LattnerOutputAsmVariant("output-asm-variant", 56e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattner cl::desc("Syntax variant to use for output printing")); 57e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattner 58ac2884a717daf3ad2aa8425320795d661e8a980bDaniel Dunbarstatic cl::opt<bool> 59ac2884a717daf3ad2aa8425320795d661e8a980bDaniel DunbarRelaxAll("mc-relax-all", cl::desc("Relax all fixups")); 60ac2884a717daf3ad2aa8425320795d661e8a980bDaniel Dunbar 61fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbarstatic cl::opt<bool> 62fdb5a8617996a20370756962e34c2e80176d6e87Daniel DunbarEnableLogging("enable-api-logging", cl::desc("Enable MC API logging")); 63fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar 64fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbarenum OutputFileType { 652d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar OFT_Null, 66fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar OFT_AssemblyFile, 67fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar OFT_ObjectFile 68fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar}; 69fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbarstatic cl::opt<OutputFileType> 70fb4a6b397665df011348ade24a8e38d2219f095aDaniel DunbarFileType("filetype", cl::init(OFT_AssemblyFile), 71fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar cl::desc("Choose an output file type:"), 72fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar cl::values( 73fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValN(OFT_AssemblyFile, "asm", 74fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar "Emit an assembly ('.s') file"), 752d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar clEnumValN(OFT_Null, "null", 762d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar "Don't emit anything (for timing purposes)"), 77fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValN(OFT_ObjectFile, "obj", 78fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar "Emit a native object ('.o') file"), 79fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValEnd)); 80fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar 81b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerstatic cl::list<std::string> 82b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris LattnerIncludeDirs("I", cl::desc("Directory of include files"), 83b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner cl::value_desc("directory"), cl::Prefix); 84f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 85b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbarstatic cl::opt<std::string> 86181ab6a854162da908310e23714b43b0091c9094Daniel DunbarArchName("arch", cl::desc("Target arch to assemble for, " 87181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar "see -version for available targets")); 88181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar 89181ab6a854162da908310e23714b43b0091c9094Daniel Dunbarstatic cl::opt<std::string> 90ed1f1687b790b444c29c9cdc5ea646be0783c1cdNick LewyckyTripleName("triple", cl::desc("Target triple to assemble for, " 91181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar "see -version for available targets")); 92b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar 935e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel Dunbarstatic cl::opt<bool> 945e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel DunbarNoInitialTextSection("n", cl::desc( 955e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel Dunbar "Don't assume assembly file starts in the text section")); 965e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel Dunbar 97b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerenum ActionType { 9827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner AC_AsLex, 99ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan AC_Assemble, 100668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan AC_Disassemble, 101668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan AC_EDisassemble 102b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner}; 103f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 104b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerstatic cl::opt<ActionType> 105b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris LattnerAction(cl::desc("Action to perform:"), 10627aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner cl::init(AC_Assemble), 10727aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner cl::values(clEnumValN(AC_AsLex, "as-lex", 10827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner "Lex tokens from a .s file"), 10927aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner clEnumValN(AC_Assemble, "assemble", 110b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner "Assemble a .s file (default)"), 111ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan clEnumValN(AC_Disassemble, "disassemble", 112ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan "Disassemble strings of hex bytes"), 113668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan clEnumValN(AC_EDisassemble, "edis", 114668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan "Enhanced disassembly of strings of hex bytes"), 115b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner clEnumValEnd)); 116f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 1179823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderbystatic const Target *GetTarget(const char *ProgName) { 118181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar // Figure out the target triple. 119181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar if (TripleName.empty()) 120181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar TripleName = sys::getHostTriple(); 121181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar if (!ArchName.empty()) { 122181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar llvm::Triple TT(TripleName); 123181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar TT.setArchName(ArchName); 124181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar TripleName = TT.str(); 125181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar } 126181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar 1279823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby // Get the target specific parser. 1289823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby std::string Error; 1299823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error); 1309823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby if (TheTarget) 1319823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby return TheTarget; 1329823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 1339823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby errs() << ProgName << ": error: unable to get target for '" << TripleName 1349823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby << "', see --version and --triple.\n"; 1359823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby return 0; 1369823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby} 1379823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 13827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattnerstatic int AsLexInput(const char *ProgName) { 139b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner std::string ErrorMessage; 140b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, 141b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner &ErrorMessage); 142f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner if (Buffer == 0) { 143b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner errs() << ProgName << ": "; 144f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner if (ErrorMessage.size()) 145f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner errs() << ErrorMessage << "\n"; 146f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner else 147f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner errs() << "input file didn't read correctly.\n"; 148f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner return 1; 149f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner } 150b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 151b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner SourceMgr SrcMgr; 152b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 153b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner // Tell SrcMgr about this buffer, which is what TGParser will pick up. 154b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner SrcMgr.AddNewSourceBuffer(Buffer, SMLoc()); 155b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 156b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner // Record the location of the include directories so that the lexer can find 157b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner // it later. 158b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner SrcMgr.setIncludeDirs(IncludeDirs); 159a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner 1609823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby const Target *TheTarget = GetTarget(ProgName); 1619823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby if (!TheTarget) 1629823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby return 1; 1639823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 1644d12fdc2d96cc02578df9bf27aef641e4a09373bChris Lattner llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createAsmInfo(TripleName)); 1659823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby assert(MAI && "Unable to create target asm info!"); 1669823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 167fd0b0288e2ee5ccf3f1d47090542710c67a77cf7Sean Callanan AsmLexer Lexer(*MAI); 168346cc61cd20c41ef15ed824d28c81f40f1b28590Daniel Dunbar Lexer.setBuffer(SrcMgr.getMemoryBuffer(0)); 169346cc61cd20c41ef15ed824d28c81f40f1b28590Daniel Dunbar 17027aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner bool Error = false; 171a3c924f83aefd4c883ed17a200876d258e0ad1e2Daniel Dunbar while (Lexer.Lex().isNot(AsmToken::Eof)) { 172a3c924f83aefd4c883ed17a200876d258e0ad1e2Daniel Dunbar switch (Lexer.getKind()) { 17327aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner default: 174bf2013ee22e7684ed37e4b78fca6937f38247ae7Sean Callanan SrcMgr.PrintMessage(Lexer.getLoc(), "unknown token", "warning"); 17527aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner Error = true; 17627aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner break; 1773f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Error: 17827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner Error = true; // error already printed. 1794651bca31bdad27184fa0d36640bf5ef1d83cf5cChris Lattner break; 1803f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Identifier: 181419adedaa1638fbe4e078c997f81e94327ebff5aDaniel Dunbar outs() << "identifier: " << Lexer.getTok().getString() << '\n'; 182a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner break; 1833f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::String: 184419adedaa1638fbe4e078c997f81e94327ebff5aDaniel Dunbar outs() << "string: " << Lexer.getTok().getString() << '\n'; 18510a907d70fb54c40eecabb889e81c79b44092221Chris Lattner break; 1863f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Integer: 187419adedaa1638fbe4e078c997f81e94327ebff5aDaniel Dunbar outs() << "int: " << Lexer.getTok().getString() << '\n'; 188a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner break; 189165e8344d833147268810bbec18276dafe0122b9Daniel Dunbar 1903f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Amp: outs() << "Amp\n"; break; 1913f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::AmpAmp: outs() << "AmpAmp\n"; break; 1923f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Caret: outs() << "Caret\n"; break; 1933f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Colon: outs() << "Colon\n"; break; 1943f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Comma: outs() << "Comma\n"; break; 1953f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Dollar: outs() << "Dollar\n"; break; 1963f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::EndOfStatement: outs() << "EndOfStatement\n"; break; 1973f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Eof: outs() << "Eof\n"; break; 1983f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Equal: outs() << "Equal\n"; break; 1993f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::EqualEqual: outs() << "EqualEqual\n"; break; 2003f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Exclaim: outs() << "Exclaim\n"; break; 2013f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::ExclaimEqual: outs() << "ExclaimEqual\n"; break; 2023f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Greater: outs() << "Greater\n"; break; 2033f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::GreaterEqual: outs() << "GreaterEqual\n"; break; 2043f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::GreaterGreater: outs() << "GreaterGreater\n"; break; 2053f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::LParen: outs() << "LParen\n"; break; 2063f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Less: outs() << "Less\n"; break; 2073f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::LessEqual: outs() << "LessEqual\n"; break; 2083f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::LessGreater: outs() << "LessGreater\n"; break; 2093f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::LessLess: outs() << "LessLess\n"; break; 2103f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Minus: outs() << "Minus\n"; break; 2113f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Percent: outs() << "Percent\n"; break; 2123f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Pipe: outs() << "Pipe\n"; break; 2133f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::PipePipe: outs() << "PipePipe\n"; break; 2143f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Plus: outs() << "Plus\n"; break; 2153f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::RParen: outs() << "RParen\n"; break; 2163f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Slash: outs() << "Slash\n"; break; 2173f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Star: outs() << "Star\n"; break; 2183f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Tilde: outs() << "Tilde\n"; break; 219a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner } 220a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner } 221f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 22227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner return Error; 223b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner} 224b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 225c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbarstatic formatted_raw_ostream *GetOutputStream() { 22617e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner if (OutputFilename == "") 22717e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner OutputFilename = "-"; 228bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 229bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar // Make sure that the Out file gets unlinked from the disk if we get a 23017e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner // SIGINT. 23117e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner if (OutputFilename != "-") 23217e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner sys::RemoveFileOnSignal(sys::Path(OutputFilename)); 233bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 234bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar std::string Err; 23517e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner raw_fd_ostream *Out = new raw_fd_ostream(OutputFilename.c_str(), Err, 236baa26395ccf17fc988bb9cf62d6659ca8415ece9Dan Gohman raw_fd_ostream::F_Binary); 237bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar if (!Err.empty()) { 238bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar errs() << Err << '\n'; 239bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar delete Out; 240bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar return 0; 241bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar } 242bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 243c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar return new formatted_raw_ostream(*Out, formatted_raw_ostream::DELETE_STREAM); 244bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar} 245bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 246a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbarstatic int AssembleInput(const char *ProgName) { 247c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar const Target *TheTarget = GetTarget(ProgName); 248c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar if (!TheTarget) 249c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar return 1; 250c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 251a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar std::string Error; 252a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, &Error); 25327aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner if (Buffer == 0) { 25427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner errs() << ProgName << ": "; 255a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar if (Error.size()) 256a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar errs() << Error << "\n"; 25727aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner else 25827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner errs() << "input file didn't read correctly.\n"; 25927aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner return 1; 26027aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner } 26127aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 26227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner SourceMgr SrcMgr; 26327aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 26412a8a447a4ca5b939f255ae92e7fef490344593aDaniel Dunbar // Tell SrcMgr about this buffer, which is what the parser will pick up. 26527aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner SrcMgr.AddNewSourceBuffer(Buffer, SMLoc()); 26627aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 26727aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner // Record the location of the include directories so that the lexer can find 26827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner // it later. 26927aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner SrcMgr.setIncludeDirs(IncludeDirs); 27027aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 271c18409aed80ba1c6c5998befd3c3c8edc865c423Chris Lattner 2724d12fdc2d96cc02578df9bf27aef641e4a09373bChris Lattner llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createAsmInfo(TripleName)); 273c18409aed80ba1c6c5998befd3c3c8edc865c423Chris Lattner assert(MAI && "Unable to create target asm info!"); 274c18409aed80ba1c6c5998befd3c3c8edc865c423Chris Lattner 275c18409aed80ba1c6c5998befd3c3c8edc865c423Chris Lattner MCContext Ctx(*MAI); 276c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar formatted_raw_ostream *Out = GetOutputStream(); 277bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar if (!Out) 278bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar return 1; 279c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 280c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 281c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar // FIXME: We shouldn't need to do this (and link in codegen). 282c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(TripleName, "")); 283c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 284f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner if (!TM) { 285f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner errs() << ProgName << ": error: could not create target for triple '" 286f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner << TripleName << "'.\n"; 287f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner return 1; 288c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar } 289c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 2904a0abd80f18f9c2a10bf5b14cd6731d51972a426Daniel Dunbar OwningPtr<MCCodeEmitter> CE; 291fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar OwningPtr<MCStreamer> Str; 2921f3e445184e5ca2aa4295c2a77f2a4e0b957fea1Daniel Dunbar OwningPtr<TargetAsmBackend> TAB; 293f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner 2949823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby if (FileType == OFT_AssemblyFile) { 2954c42a6de9f5456cc1b28f2d37db589f580f2adc7Chris Lattner MCInstPrinter *IP = 296d374087be5360a353a4239a155b1227057145f48Chris Lattner TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI); 297f2f6b0c0e9088da25a0367c88263ef8e7637a82cDaniel Dunbar if (ShowEncoding) 29886020e46289643de2f8c7603b550ffc8b6aff376Chris Lattner CE.reset(TheTarget->createCodeEmitter(*TM, Ctx)); 299fdab14b10564283028e9bdb628d095feae7fa071Chris Lattner Str.reset(createAsmStreamer(Ctx, *Out,TM->getTargetData()->isLittleEndian(), 3004c42a6de9f5456cc1b28f2d37db589f580f2adc7Chris Lattner /*asmverbose*/true, IP, CE.get(), ShowInst)); 3012d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar } else if (FileType == OFT_Null) { 3022d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar Str.reset(createNullStreamer(Ctx)); 303fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar } else { 304fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar assert(FileType == OFT_ObjectFile && "Invalid file type!"); 30586020e46289643de2f8c7603b550ffc8b6aff376Chris Lattner CE.reset(TheTarget->createCodeEmitter(*TM, Ctx)); 3061f3e445184e5ca2aa4295c2a77f2a4e0b957fea1Daniel Dunbar TAB.reset(TheTarget->createAsmBackend(TripleName)); 307d8a33ddcfeb29e7ec792b14be946a05ab998a38eMatt Fleming Str.reset(TheTarget->createObjectStreamer(TripleName, Ctx, *TAB, 308d8a33ddcfeb29e7ec792b14be946a05ab998a38eMatt Fleming *Out, CE.get(), RelaxAll)); 309fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar } 310a0d1426af0bd05e1ae69481cdb75d2913e7e1ac1Daniel Dunbar 311fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar if (EnableLogging) { 312fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar Str.reset(createLoggingStreamer(Str.take(), errs())); 313fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar } 314fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar 3159fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx, 3169fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar *Str.get(), *MAI)); 3179fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*Parser)); 318c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar if (!TAP) { 319c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar errs() << ProgName 320c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar << ": error: this target does not support assembly parsing.\n"; 321a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar return 1; 322c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar } 323c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 3249fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar Parser->setTargetParser(*TAP.get()); 325bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 3269fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar int Res = Parser->Run(NoInitialTextSection); 32726a707493903729aab49e02a082a0e481003b760Dan Gohman delete Out; 328bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 3294ca906560a3d583b25f3bc366fbcac60f0a34434Daniel Dunbar // Delete output on errors. 3304ca906560a3d583b25f3bc366fbcac60f0a34434Daniel Dunbar if (Res && OutputFilename != "-") 3314ca906560a3d583b25f3bc366fbcac60f0a34434Daniel Dunbar sys::Path(OutputFilename).eraseFromDisk(); 3324ca906560a3d583b25f3bc366fbcac60f0a34434Daniel Dunbar 333bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar return Res; 334ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan} 335ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 336668b15467be158a5f0e0c4a5e1ec232da021892cSean Callananstatic int DisassembleInput(const char *ProgName, bool Enhanced) { 3374d4358e8b083b38e2d7e9de3ab102e5665ffb8e2Daniel Dunbar const Target *TheTarget = GetTarget(ProgName); 3384d4358e8b083b38e2d7e9de3ab102e5665ffb8e2Daniel Dunbar if (!TheTarget) 339ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan return 0; 340ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 341ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan std::string ErrorMessage; 342ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 343ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, 344ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan &ErrorMessage); 345ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 346ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan if (Buffer == 0) { 347ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan errs() << ProgName << ": "; 348ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan if (ErrorMessage.size()) 349ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan errs() << ErrorMessage << "\n"; 350ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan else 351ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan errs() << "input file didn't read correctly.\n"; 352ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan return 1; 353ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan } 354ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 355668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan if (Enhanced) 356668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan return Disassembler::disassembleEnhanced(TripleName, *Buffer); 357668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan else 358668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan return Disassembler::disassemble(*TheTarget, TripleName, *Buffer); 359ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan} 36027aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 361b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 362b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerint main(int argc, char **argv) { 363b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner // Print a stack trace if we signal out. 364b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner sys::PrintStackTraceOnErrorSignal(); 365b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner PrettyStackTraceProgram X(argc, argv); 366b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. 367b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar 368c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar // Initialize targets and assembly printers/parsers. 369b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar llvm::InitializeAllTargetInfos(); 370c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar // FIXME: We shouldn't need to initialize the Target(Machine)s. 371c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar llvm::InitializeAllTargets(); 372c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar llvm::InitializeAllAsmPrinters(); 373b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar llvm::InitializeAllAsmParsers(); 374ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan llvm::InitializeAllDisassemblers(); 375b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar 376b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n"); 377b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 378b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner switch (Action) { 379b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner default: 38027aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner case AC_AsLex: 38127aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner return AsLexInput(argv[0]); 382b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner case AC_Assemble: 383b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner return AssembleInput(argv[0]); 384ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan case AC_Disassemble: 385668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan return DisassembleInput(argv[0], false); 386668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan case AC_EDisassemble: 387668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan return DisassembleInput(argv[0], true); 388b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner } 389b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 390f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner return 0; 391f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner} 392f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 393