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https://github.com/c64scene-ar/llvm-6502.git
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7745dac9d0
As the serialized debug map is becoming a first class citizen, a way to cleanly dump it is required. We used -parse-only combined with -v for that purpose before, but it dumps a lot of unrelated debug stuff. Dumping the debug map was the only use of the -parse-only flag anyway, so replace it with a more useful option. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238940 91177308-0d34-0410-b5e6-96231b3b80d8
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
//===-- dsymutil.cpp - Debug info dumping utility for llvm ----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This program is a utility that aims to be a dropin replacement for
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// Darwin's dsymutil.
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//
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//===----------------------------------------------------------------------===//
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#include "DebugMap.h"
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#include "dsymutil.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/Options.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/TargetSelect.h"
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#include <string>
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using namespace llvm::dsymutil;
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namespace {
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using namespace llvm::cl;
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static opt<std::string> InputFile(Positional, desc("<input file>"),
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init("a.out"));
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static opt<std::string>
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OutputFileOpt("o",
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desc("Specify the output file. default: <input file>.dwarf"),
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value_desc("filename"));
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static opt<std::string> OsoPrependPath(
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"oso-prepend-path",
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desc("Specify a directory to prepend to the paths of object files."),
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value_desc("path"));
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static opt<bool> Verbose("v", desc("Verbosity level"), init(false));
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static opt<bool>
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NoOutput("no-output",
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desc("Do the link in memory, but do not emit the result file."),
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init(false));
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static opt<bool> DumpDebugMap(
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"dump-debug-map",
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desc("Parse and dump the debug map to standard output. Not DWARF link "
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"will take place."),
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init(false));
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}
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int main(int argc, char **argv) {
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llvm::sys::PrintStackTraceOnErrorSignal();
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llvm::PrettyStackTraceProgram StackPrinter(argc, argv);
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llvm::llvm_shutdown_obj Shutdown;
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LinkOptions Options;
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llvm::cl::ParseCommandLineOptions(argc, argv, "llvm dsymutil\n");
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auto DebugMapPtrOrErr = parseDebugMap(InputFile, OsoPrependPath, Verbose);
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Options.Verbose = Verbose;
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Options.NoOutput = NoOutput;
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llvm::InitializeAllTargetInfos();
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llvm::InitializeAllTargetMCs();
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llvm::InitializeAllTargets();
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llvm::InitializeAllAsmPrinters();
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if (auto EC = DebugMapPtrOrErr.getError()) {
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llvm::errs() << "error: cannot parse the debug map for \"" << InputFile
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<< "\": " << EC.message() << '\n';
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return 1;
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}
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if (Verbose || DumpDebugMap)
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(*DebugMapPtrOrErr)->print(llvm::outs());
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if (DumpDebugMap)
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return 0;
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std::string OutputFile;
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if (OutputFileOpt.empty()) {
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if (InputFile == "-")
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OutputFile = "a.out.dwarf";
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else
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OutputFile = InputFile + ".dwarf";
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} else {
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OutputFile = OutputFileOpt;
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}
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return !linkDwarf(OutputFile, **DebugMapPtrOrErr, Options);
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}
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