llvm-mc.cpp revision 3c14ca47fc057c5999cd41ce2782e0ebaa2bcf7d
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 543c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel Dunbarstatic cl::opt<bool> 553c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel DunbarShowInstOperands("show-inst-operands", 563c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel Dunbar cl::desc("Show instructions operands as parsed")); 573c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel Dunbar 58e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattnerstatic cl::opt<unsigned> 59e895c6151589c1b7f6ac9ca992b76106fa197a37Chris LattnerOutputAsmVariant("output-asm-variant", 60e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattner cl::desc("Syntax variant to use for output printing")); 61e895c6151589c1b7f6ac9ca992b76106fa197a37Chris Lattner 62ac2884a717daf3ad2aa8425320795d661e8a980bDaniel Dunbarstatic cl::opt<bool> 63ac2884a717daf3ad2aa8425320795d661e8a980bDaniel DunbarRelaxAll("mc-relax-all", cl::desc("Relax all fixups")); 64ac2884a717daf3ad2aa8425320795d661e8a980bDaniel Dunbar 65fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbarstatic cl::opt<bool> 66fdb5a8617996a20370756962e34c2e80176d6e87Daniel DunbarEnableLogging("enable-api-logging", cl::desc("Enable MC API logging")); 67fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar 68fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbarenum OutputFileType { 692d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar OFT_Null, 70fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar OFT_AssemblyFile, 71fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar OFT_ObjectFile 72fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar}; 73fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbarstatic cl::opt<OutputFileType> 74fb4a6b397665df011348ade24a8e38d2219f095aDaniel DunbarFileType("filetype", cl::init(OFT_AssemblyFile), 75fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar cl::desc("Choose an output file type:"), 76fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar cl::values( 77fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValN(OFT_AssemblyFile, "asm", 78fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar "Emit an assembly ('.s') file"), 792d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar clEnumValN(OFT_Null, "null", 802d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar "Don't emit anything (for timing purposes)"), 81fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValN(OFT_ObjectFile, "obj", 82fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar "Emit a native object ('.o') file"), 83fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar clEnumValEnd)); 84fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar 85b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerstatic cl::list<std::string> 86b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris LattnerIncludeDirs("I", cl::desc("Directory of include files"), 87b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner cl::value_desc("directory"), cl::Prefix); 88f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 89b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbarstatic cl::opt<std::string> 90181ab6a854162da908310e23714b43b0091c9094Daniel DunbarArchName("arch", cl::desc("Target arch to assemble for, " 91181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar "see -version for available targets")); 92181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar 93181ab6a854162da908310e23714b43b0091c9094Daniel Dunbarstatic cl::opt<std::string> 94ed1f1687b790b444c29c9cdc5ea646be0783c1cdNick LewyckyTripleName("triple", cl::desc("Target triple to assemble for, " 95181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar "see -version for available targets")); 96b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar 975e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel Dunbarstatic cl::opt<bool> 985e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel DunbarNoInitialTextSection("n", cl::desc( 995e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel Dunbar "Don't assume assembly file starts in the text section")); 1005e6a7a248b980dd2a98a3613c72b75ba9d01d162Daniel Dunbar 101b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerenum ActionType { 10227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner AC_AsLex, 103ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan AC_Assemble, 104668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan AC_Disassemble, 105668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan AC_EDisassemble 106b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner}; 107f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 108b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerstatic cl::opt<ActionType> 109b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris LattnerAction(cl::desc("Action to perform:"), 11027aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner cl::init(AC_Assemble), 11127aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner cl::values(clEnumValN(AC_AsLex, "as-lex", 11227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner "Lex tokens from a .s file"), 11327aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner clEnumValN(AC_Assemble, "assemble", 114b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner "Assemble a .s file (default)"), 115ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan clEnumValN(AC_Disassemble, "disassemble", 116ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan "Disassemble strings of hex bytes"), 117668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan clEnumValN(AC_EDisassemble, "edis", 118668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan "Enhanced disassembly of strings of hex bytes"), 119b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner clEnumValEnd)); 120f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 1219823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderbystatic const Target *GetTarget(const char *ProgName) { 122181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar // Figure out the target triple. 123181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar if (TripleName.empty()) 124181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar TripleName = sys::getHostTriple(); 125181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar if (!ArchName.empty()) { 126181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar llvm::Triple TT(TripleName); 127181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar TT.setArchName(ArchName); 128181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar TripleName = TT.str(); 129181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar } 130181ab6a854162da908310e23714b43b0091c9094Daniel Dunbar 1319823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby // Get the target specific parser. 1329823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby std::string Error; 1339823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error); 1349823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby if (TheTarget) 1359823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby return TheTarget; 1369823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 1379823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby errs() << ProgName << ": error: unable to get target for '" << TripleName 1389823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby << "', see --version and --triple.\n"; 1399823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby return 0; 1409823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby} 1419823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 14227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattnerstatic int AsLexInput(const char *ProgName) { 143b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner std::string ErrorMessage; 144b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, 145b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner &ErrorMessage); 146f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner if (Buffer == 0) { 147b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner errs() << ProgName << ": "; 148f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner if (ErrorMessage.size()) 149f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner errs() << ErrorMessage << "\n"; 150f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner else 151f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner errs() << "input file didn't read correctly.\n"; 152f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner return 1; 153f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner } 154b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 155b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner SourceMgr SrcMgr; 156b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 157b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner // Tell SrcMgr about this buffer, which is what TGParser will pick up. 158b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner SrcMgr.AddNewSourceBuffer(Buffer, SMLoc()); 159b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 160b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner // Record the location of the include directories so that the lexer can find 161b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner // it later. 162b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner SrcMgr.setIncludeDirs(IncludeDirs); 163a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner 1649823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby const Target *TheTarget = GetTarget(ProgName); 1659823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby if (!TheTarget) 1669823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby return 1; 1679823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 1684d12fdc2d96cc02578df9bf27aef641e4a09373bChris Lattner llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createAsmInfo(TripleName)); 1699823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby assert(MAI && "Unable to create target asm info!"); 1709823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby 171fd0b0288e2ee5ccf3f1d47090542710c67a77cf7Sean Callanan AsmLexer Lexer(*MAI); 172346cc61cd20c41ef15ed824d28c81f40f1b28590Daniel Dunbar Lexer.setBuffer(SrcMgr.getMemoryBuffer(0)); 173346cc61cd20c41ef15ed824d28c81f40f1b28590Daniel Dunbar 17427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner bool Error = false; 175a3c924f83aefd4c883ed17a200876d258e0ad1e2Daniel Dunbar while (Lexer.Lex().isNot(AsmToken::Eof)) { 176a3c924f83aefd4c883ed17a200876d258e0ad1e2Daniel Dunbar switch (Lexer.getKind()) { 17727aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner default: 178bf2013ee22e7684ed37e4b78fca6937f38247ae7Sean Callanan SrcMgr.PrintMessage(Lexer.getLoc(), "unknown token", "warning"); 17927aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner Error = true; 18027aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner break; 1813f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Error: 18227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner Error = true; // error already printed. 1834651bca31bdad27184fa0d36640bf5ef1d83cf5cChris Lattner break; 1843f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Identifier: 185419adedaa1638fbe4e078c997f81e94327ebff5aDaniel Dunbar outs() << "identifier: " << Lexer.getTok().getString() << '\n'; 186a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner break; 1873f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::String: 188419adedaa1638fbe4e078c997f81e94327ebff5aDaniel Dunbar outs() << "string: " << Lexer.getTok().getString() << '\n'; 18910a907d70fb54c40eecabb889e81c79b44092221Chris Lattner break; 1903f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Integer: 191419adedaa1638fbe4e078c997f81e94327ebff5aDaniel Dunbar outs() << "int: " << Lexer.getTok().getString() << '\n'; 192a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner break; 193165e8344d833147268810bbec18276dafe0122b9Daniel Dunbar 1943f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Amp: outs() << "Amp\n"; break; 1953f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::AmpAmp: outs() << "AmpAmp\n"; break; 1963f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Caret: outs() << "Caret\n"; break; 1973f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Colon: outs() << "Colon\n"; break; 1983f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Comma: outs() << "Comma\n"; break; 1993f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Dollar: outs() << "Dollar\n"; break; 2003f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::EndOfStatement: outs() << "EndOfStatement\n"; break; 2013f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Eof: outs() << "Eof\n"; break; 2023f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Equal: outs() << "Equal\n"; break; 2033f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::EqualEqual: outs() << "EqualEqual\n"; break; 2043f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Exclaim: outs() << "Exclaim\n"; break; 2053f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::ExclaimEqual: outs() << "ExclaimEqual\n"; break; 2063f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Greater: outs() << "Greater\n"; break; 2073f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::GreaterEqual: outs() << "GreaterEqual\n"; break; 2083f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::GreaterGreater: outs() << "GreaterGreater\n"; break; 2093f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::LParen: outs() << "LParen\n"; break; 2103f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Less: outs() << "Less\n"; break; 2113f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::LessEqual: outs() << "LessEqual\n"; break; 2123f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::LessGreater: outs() << "LessGreater\n"; break; 2133f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::LessLess: outs() << "LessLess\n"; break; 2143f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Minus: outs() << "Minus\n"; break; 2153f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Percent: outs() << "Percent\n"; break; 2163f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Pipe: outs() << "Pipe\n"; break; 2173f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::PipePipe: outs() << "PipePipe\n"; break; 2183f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Plus: outs() << "Plus\n"; break; 2193f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::RParen: outs() << "RParen\n"; break; 2203f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Slash: outs() << "Slash\n"; break; 2213f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Star: outs() << "Star\n"; break; 2223f87233d700eb4316cfaad59477834d2f5a2503bDaniel Dunbar case AsmToken::Tilde: outs() << "Tilde\n"; break; 223a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner } 224a59e8779964992457ada1af6a5f48068523cfd42Chris Lattner } 225f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 22627aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner return Error; 227b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner} 228b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 229c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbarstatic formatted_raw_ostream *GetOutputStream() { 23017e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner if (OutputFilename == "") 23117e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner OutputFilename = "-"; 232bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 233bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar // Make sure that the Out file gets unlinked from the disk if we get a 23417e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner // SIGINT. 23517e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner if (OutputFilename != "-") 23617e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner sys::RemoveFileOnSignal(sys::Path(OutputFilename)); 237bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 238bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar std::string Err; 23917e9edc4a7bbeadf756494cf39fcacc9eff72202Chris Lattner raw_fd_ostream *Out = new raw_fd_ostream(OutputFilename.c_str(), Err, 240baa26395ccf17fc988bb9cf62d6659ca8415ece9Dan Gohman raw_fd_ostream::F_Binary); 241bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar if (!Err.empty()) { 242bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar errs() << Err << '\n'; 243bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar delete Out; 244bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar return 0; 245bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar } 246bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 247c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar return new formatted_raw_ostream(*Out, formatted_raw_ostream::DELETE_STREAM); 248bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar} 249bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 250a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbarstatic int AssembleInput(const char *ProgName) { 251c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar const Target *TheTarget = GetTarget(ProgName); 252c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar if (!TheTarget) 253c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar return 1; 254c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 255a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar std::string Error; 256a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, &Error); 25727aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner if (Buffer == 0) { 25827aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner errs() << ProgName << ": "; 259a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar if (Error.size()) 260a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar errs() << Error << "\n"; 26127aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner else 26227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner errs() << "input file didn't read correctly.\n"; 26327aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner return 1; 26427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner } 26527aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 26627aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner SourceMgr SrcMgr; 26727aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 26812a8a447a4ca5b939f255ae92e7fef490344593aDaniel Dunbar // Tell SrcMgr about this buffer, which is what the parser will pick up. 26927aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner SrcMgr.AddNewSourceBuffer(Buffer, SMLoc()); 27027aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 27127aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner // Record the location of the include directories so that the lexer can find 27227aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner // it later. 27327aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner SrcMgr.setIncludeDirs(IncludeDirs); 27427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 275c18409aed80ba1c6c5998befd3c3c8edc865c423Chris Lattner 2764d12fdc2d96cc02578df9bf27aef641e4a09373bChris Lattner llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createAsmInfo(TripleName)); 277c18409aed80ba1c6c5998befd3c3c8edc865c423Chris Lattner assert(MAI && "Unable to create target asm info!"); 278c18409aed80ba1c6c5998befd3c3c8edc865c423Chris Lattner 279c18409aed80ba1c6c5998befd3c3c8edc865c423Chris Lattner MCContext Ctx(*MAI); 280c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar formatted_raw_ostream *Out = GetOutputStream(); 281bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar if (!Out) 282bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar return 1; 283c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 284c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 285c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar // FIXME: We shouldn't need to do this (and link in codegen). 286c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(TripleName, "")); 287c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 288f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner if (!TM) { 289f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner errs() << ProgName << ": error: could not create target for triple '" 290f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner << TripleName << "'.\n"; 291f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner return 1; 292c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar } 293c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 294fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar OwningPtr<MCStreamer> Str; 295f3ce009fcb0a04a245c437d86657e9bd61ecc18fChris Lattner 2969823ca971d5cb475401e59fde244caf5087c74a1Kevin Enderby if (FileType == OFT_AssemblyFile) { 2974c42a6de9f5456cc1b28f2d37db589f580f2adc7Chris Lattner MCInstPrinter *IP = 298d374087be5360a353a4239a155b1227057145f48Chris Lattner TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI); 2991abcd06856df324eac98d4bf5ba673fb77ae6a11Benjamin Kramer MCCodeEmitter *CE = 0; 300f2f6b0c0e9088da25a0367c88263ef8e7637a82cDaniel Dunbar if (ShowEncoding) 3011abcd06856df324eac98d4bf5ba673fb77ae6a11Benjamin Kramer CE = TheTarget->createCodeEmitter(*TM, Ctx); 302fdab14b10564283028e9bdb628d095feae7fa071Chris Lattner Str.reset(createAsmStreamer(Ctx, *Out,TM->getTargetData()->isLittleEndian(), 3031abcd06856df324eac98d4bf5ba673fb77ae6a11Benjamin Kramer /*asmverbose*/true, IP, CE, ShowInst)); 3042d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar } else if (FileType == OFT_Null) { 3052d9f5d1d7f7aac13396778ba0d18cf1af8d0d02fDaniel Dunbar Str.reset(createNullStreamer(Ctx)); 306fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar } else { 307fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar assert(FileType == OFT_ObjectFile && "Invalid file type!"); 3081abcd06856df324eac98d4bf5ba673fb77ae6a11Benjamin Kramer MCCodeEmitter *CE = TheTarget->createCodeEmitter(*TM, Ctx); 3091abcd06856df324eac98d4bf5ba673fb77ae6a11Benjamin Kramer TargetAsmBackend *TAB = TheTarget->createAsmBackend(TripleName); 310d8a33ddcfeb29e7ec792b14be946a05ab998a38eMatt Fleming Str.reset(TheTarget->createObjectStreamer(TripleName, Ctx, *TAB, 3111abcd06856df324eac98d4bf5ba673fb77ae6a11Benjamin Kramer *Out, CE, RelaxAll)); 312fb4a6b397665df011348ade24a8e38d2219f095aDaniel Dunbar } 313a0d1426af0bd05e1ae69481cdb75d2913e7e1ac1Daniel Dunbar 314fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar if (EnableLogging) { 315fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar Str.reset(createLoggingStreamer(Str.take(), errs())); 316fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar } 317fdb5a8617996a20370756962e34c2e80176d6e87Daniel Dunbar 3189fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx, 3199fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar *Str.get(), *MAI)); 320d73ada7d24832bc2a4c3965b8f00ffd951341acfDaniel Dunbar OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*Parser, *TM)); 321c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar if (!TAP) { 322c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar errs() << ProgName 323c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar << ": error: this target does not support assembly parsing.\n"; 324a2edbabcb86f213eca6daeda5d801f8c7b1e44b2Daniel Dunbar return 1; 325c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar } 326c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar 3273c14ca47fc057c5999cd41ce2782e0ebaa2bcf7dDaniel Dunbar Parser->setShowParsedOperands(ShowInstOperands); 3289fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar Parser->setTargetParser(*TAP.get()); 329bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 3309fbb37e10d3b2814877bb8d2893d863fe1da660bDaniel Dunbar int Res = Parser->Run(NoInitialTextSection); 33126a707493903729aab49e02a082a0e481003b760Dan Gohman delete Out; 332bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar 3334ca906560a3d583b25f3bc366fbcac60f0a34434Daniel Dunbar // Delete output on errors. 3344ca906560a3d583b25f3bc366fbcac60f0a34434Daniel Dunbar if (Res && OutputFilename != "-") 3354ca906560a3d583b25f3bc366fbcac60f0a34434Daniel Dunbar sys::Path(OutputFilename).eraseFromDisk(); 3364ca906560a3d583b25f3bc366fbcac60f0a34434Daniel Dunbar 337bfc0f34e34c4278b49d70b7a20e1b87cbce0a710Daniel Dunbar return Res; 338ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan} 339ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 340668b15467be158a5f0e0c4a5e1ec232da021892cSean Callananstatic int DisassembleInput(const char *ProgName, bool Enhanced) { 3414d4358e8b083b38e2d7e9de3ab102e5665ffb8e2Daniel Dunbar const Target *TheTarget = GetTarget(ProgName); 3424d4358e8b083b38e2d7e9de3ab102e5665ffb8e2Daniel Dunbar if (!TheTarget) 343ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan return 0; 344ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 345ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan std::string ErrorMessage; 346ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 347ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, 348ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan &ErrorMessage); 349ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 350ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan if (Buffer == 0) { 351ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan errs() << ProgName << ": "; 352ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan if (ErrorMessage.size()) 353ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan errs() << ErrorMessage << "\n"; 354ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan else 355ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan errs() << "input file didn't read correctly.\n"; 356ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan return 1; 357ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan } 358ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan 359668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan if (Enhanced) 360668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan return Disassembler::disassembleEnhanced(TripleName, *Buffer); 361668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan else 362668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan return Disassembler::disassemble(*TheTarget, TripleName, *Buffer); 363ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan} 36427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner 365b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 366b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattnerint main(int argc, char **argv) { 367b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner // Print a stack trace if we signal out. 368b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner sys::PrintStackTraceOnErrorSignal(); 369b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner PrettyStackTraceProgram X(argc, argv); 370b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. 371b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar 372c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar // Initialize targets and assembly printers/parsers. 373b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar llvm::InitializeAllTargetInfos(); 374c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar // FIXME: We shouldn't need to initialize the Target(Machine)s. 375c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar llvm::InitializeAllTargets(); 376c22e0b2443afdedb6d9b225b938ad404d63cdbe6Daniel Dunbar llvm::InitializeAllAsmPrinters(); 377b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar llvm::InitializeAllAsmParsers(); 378ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan llvm::InitializeAllDisassemblers(); 379b4b53e5c13167925d6315a6f57c7b863e4e2b704Daniel Dunbar 380b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n"); 381b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 382b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner switch (Action) { 383b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner default: 38427aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner case AC_AsLex: 38527aa7d259b416a9d1bf837ed2c3c11463367b11cChris Lattner return AsLexInput(argv[0]); 386b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner case AC_Assemble: 387b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner return AssembleInput(argv[0]); 388ba847da571354e13f1caa3699ee06b2d57df9fe9Sean Callanan case AC_Disassemble: 389668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan return DisassembleInput(argv[0], false); 390668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan case AC_EDisassemble: 391668b15467be158a5f0e0c4a5e1ec232da021892cSean Callanan return DisassembleInput(argv[0], true); 392b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner } 393b23677e076bea7c3bf4763ba14d8ee96faf8a74bChris Lattner 394f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner return 0; 395f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner} 396f9f065e45500823cdeb25bde2154d871ab6e9125Chris Lattner 397