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Usage: llvm-xray extract <object file> [-o <filename or '-'>] The tool gets the XRay instrumentation map from an object file and turns it into YAML. We first support ELF64 sleds on x86_64 binaries, with provision for supporting other supported platforms and formats later. This is the first of a many-part change to fully implement the `llvm-xray` tool. We also define a subcommand registration and dispatch mechanism to be used by other further subcommand implementations for llvm-xray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285155 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
//===- llvm-xray.cc - XRay Tool Main Program ------------------------------===//
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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 file implements the main entry point for the suite of XRay tools. All
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// additional functionality are implemented as subcommands.
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//
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//===----------------------------------------------------------------------===//
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//
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// Basic usage:
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//
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// llvm-xray [options] <subcommand> [subcommand-specific options]
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//
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#include "xray-registry.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/raw_ostream.h"
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#include <unistd.h>
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using namespace llvm;
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using namespace llvm::xray;
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int main(int argc, char *argv[]) {
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cl::ParseCommandLineOptions(argc, argv,
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"XRay Tools\n\n"
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" This program consolidates multiple XRay trace "
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"processing tools for convenient access.\n");
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for (auto *SC : cl::getRegisteredSubcommands()) {
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if (*SC)
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if (auto C = dispatch(SC)) {
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ExitOnError("llvm-xray: ")(C());
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return 0;
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}
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}
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cl::PrintHelpMessage(false, true);
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}
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