diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/Makefile | 3 | ||||
| -rw-r--r-- | tools/llvm-abcd/Makefile | 13 | ||||
| -rw-r--r-- | tools/llvm-abcd/llvm-abcd.cpp | 115 |
3 files changed, 130 insertions, 1 deletions
diff --git a/tools/Makefile b/tools/Makefile index bc252aa..dd03498 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -9,7 +9,8 @@ LEVEL := .. PARALLEL_DIRS := llvm-as llvm-dis opt gccas llc llvm-link lli gccld llvm-stub \ - analyze extract bugpoint llvm-nm llvm-prof llvm-db llvm-ar + analyze extract bugpoint llvm-nm llvm-prof llvm-db llvm-ar \ + llvm-abcd include $(LEVEL)/Makefile.common diff --git a/tools/llvm-abcd/Makefile b/tools/llvm-abcd/Makefile new file mode 100644 index 0000000..f85c208 --- /dev/null +++ b/tools/llvm-abcd/Makefile @@ -0,0 +1,13 @@ +##===- tools/llvm-abcd/Makefile ----------------------------*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file was developed by Reid Spencer and is distributed under the +# University of Illinois Open Source License. See LICENSE.TXT for details. +# +##===----------------------------------------------------------------------===## +LEVEL = ../.. + +TOOLNAME = llvm-abcd +USEDLIBS = bcanalyzer vmcore support.a +include $(LEVEL)/Makefile.common diff --git a/tools/llvm-abcd/llvm-abcd.cpp b/tools/llvm-abcd/llvm-abcd.cpp new file mode 100644 index 0000000..22ab0b0 --- /dev/null +++ b/tools/llvm-abcd/llvm-abcd.cpp @@ -0,0 +1,115 @@ +//===-- llvm-dis.cpp - The low-level LLVM disassembler --------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by the LLVM research group and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This utility may be invoked in the following manner: +// llvm-dis [options] - Read LLVM bytecode from stdin, write asm to stdout +// llvm-dis [options] x.bc - Read LLVM bytecode from the x.bc file, write asm +// to the x.ll file. +// Options: +// --help - Output information about command line switches +// -c - Print C code instead of LLVM assembly +// +//===----------------------------------------------------------------------===// + +#include "llvm/Bytecode/Analyzer.h" +#include "Support/CommandLine.h" +#include "llvm/System/Signals.h" +#include <fstream> +#include <iostream> + +using namespace llvm; + +static cl::opt<std::string> + InputFilename(cl::Positional, cl::desc("<input bytecode>"), cl::init("-")); + +static cl::opt<std::string> + OutputFilename("o", cl::desc("Override output filename"), + cl::value_desc("filename")); + +static cl::opt<bool> Force ("f", cl::desc("Overwrite output files")); +static cl::opt<bool> Detailed ("d", cl::desc("Detailed output")); + +int +main(int argc, char **argv) +{ + cl::ParseCommandLineOptions(argc, argv, + " llvm-abcd Analysis of ByteCode Dumper\n"); + + PrintStackTraceOnErrorSignal(); + + std::ostream* Out = &std::cout; // Default to printing to stdout... + std::istream* In = &std::cin; // Default to reading stdin + std::string ErrorMessage; + BytecodeAnalysis bca; + + /// Analyze the bytecode file + AnalyzeBytecodeFile(InputFilename, bca, &ErrorMessage); + + // If there was an error, print it and stop. + if ( ErrorMessage.size() ) { + std::cerr << argv[0] << ": " << ErrorMessage << "\n"; + return 1; + } + + // Figure out where the output is going + if (OutputFilename != "") { // Specified an output filename? + if (OutputFilename != "-") { // Not stdout? + if (!Force && std::ifstream(OutputFilename.c_str())) { + // If force is not specified, make sure not to overwrite a file! + std::cerr << argv[0] << ": error opening '" << OutputFilename + << "': file exists! Sending to standard output.\n"; + } else { + Out = new std::ofstream(OutputFilename.c_str()); + } + } + } else { + if (InputFilename == "-") { + OutputFilename = "-"; + } else { + std::string IFN = InputFilename; + int Len = IFN.length(); + if (IFN[Len-3] == '.' && IFN[Len-2] == 'b' && IFN[Len-1] == 'c') { + // Source ends in .bc + OutputFilename = std::string(IFN.begin(), IFN.end()-3)+".abc"; + } else { + OutputFilename = IFN+".abc"; + } + + if (!Force && std::ifstream(OutputFilename.c_str())) { + // If force is not specified, make sure not to overwrite a file! + std::cerr << argv[0] << ": error opening '" << OutputFilename + << "': file exists! Sending to standard output.\n"; + } else { + Out = new std::ofstream(OutputFilename.c_str()); + + // Make sure that the Out file gets unlinked from the disk if we get a + // SIGINT + RemoveFileOnSignal(OutputFilename); + } + } + } + + if (!Out->good()) { + std::cerr << argv[0] << ": error opening " << OutputFilename + << ": sending to stdout instead!\n"; + Out = &std::cout; + } + + // All that abcd does is write the gathered statistics to the output + bca.dumpBytecode = true; + PrintBytecodeAnalysis(bca,*Out); + + if (Out != &std::cout) { + ((std::ofstream*)Out)->close(); + delete Out; + } + return 0; +} + +// vim: sw=2 |