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#include "bolt/Profile/DataAggregator.h"
#include "bolt/Rewrite/RewriteInstance.h"
#include "bolt/Utils/CommandLineOpts.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Object/Binary.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/TargetSelect.h"
using namespace llvm;
using namespace bolt;
namespace opts {
static cl::OptionCategory *HeatmapCategories[] = {&HeatmapCategory,
&BoltOutputCategory};
static cl::opt<std::string> InputFilename(cl::Positional,
cl::desc("<executable>"),
cl::Required,
cl::cat(HeatmapCategory));
} // namespace opts
static StringRef ToolName;
static void report_error(StringRef Message, std::error_code EC) {
assert(EC);
errs() << ToolName << ": '" << Message << "': " << EC.message() << ".\n";
exit(1);
}
static void report_error(StringRef Message, Error E) {
assert(E);
errs() << ToolName << ": '" << Message << "': " << toString(std::move(E))
<< ".\n";
exit(1);
}
static std::string GetExecutablePath(const char *Argv0) {
SmallString<256> ExecutablePath(Argv0);
// Do a PATH lookup if Argv0 isn't a valid path.
if (!llvm::sys::fs::exists(ExecutablePath))
if (llvm::ErrorOr<std::string> P =
llvm::sys::findProgramByName(ExecutablePath))
ExecutablePath = *P;
return std::string(ExecutablePath.str());
}
int main(int argc, char **argv) {
cl::HideUnrelatedOptions(ArrayRef(opts::HeatmapCategories));
cl::ParseCommandLineOptions(argc, argv, "");
if (opts::PerfData.empty()) {
errs() << ToolName << ": expected -perfdata=<filename> option.\n";
exit(1);
}
opts::HeatmapMode = true;
opts::AggregateOnly = true;
if (!sys::fs::exists(opts::InputFilename))
report_error(opts::InputFilename, errc::no_such_file_or_directory);
// Output to stdout by default
if (opts::OutputFilename.empty())
opts::OutputFilename = "-";
// Initialize targets and assembly printers/parsers.
llvm::InitializeAllTargetInfos();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllAsmParsers();
llvm::InitializeAllDisassemblers();
llvm::InitializeAllTargets();
llvm::InitializeAllAsmPrinters();
ToolName = argv[0];
std::string ToolPath = GetExecutablePath(argv[0]);
Expected<OwningBinary<Binary>> BinaryOrErr =
createBinary(opts::InputFilename);
if (Error E = BinaryOrErr.takeError())
report_error(opts::InputFilename, std::move(E));
Binary &Binary = *BinaryOrErr.get().getBinary();
if (auto *e = dyn_cast<ELFObjectFileBase>(&Binary)) {
auto RIOrErr = RewriteInstance::create(e, argc, argv, ToolPath);
if (Error E = RIOrErr.takeError())
report_error("RewriteInstance", std::move(E));
RewriteInstance &RI = *RIOrErr.get();
if (Error E = RI.setProfile(opts::PerfData))
report_error(opts::PerfData, std::move(E));
if (Error E = RI.run())
report_error(opts::InputFilename, std::move(E));
} else {
report_error(opts::InputFilename, object_error::invalid_file_type);
}
return EXIT_SUCCESS;
}
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