mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
//
|
|
// This file is distributed under the MIT License. See LICENSE.md for details.
|
|
//
|
|
|
|
#include "llvm/CodeGen/CommandFlags.h"
|
|
#include "llvm/InitializePasses.h"
|
|
#include "llvm/PassRegistry.h"
|
|
#include "llvm/Support/DebugInfoPreservation.h"
|
|
#include "llvm/Support/Process.h"
|
|
#include "llvm/Support/TargetSelect.h"
|
|
|
|
#include "revng/Support/Assert.h"
|
|
#include "revng/Support/Configuration.h"
|
|
#include "revng/Support/IRHelpers.h"
|
|
#include "revng/Support/InitRevng.h"
|
|
#include "revng/Support/OnQuit.h"
|
|
|
|
static std::optional<llvm::codegen::RegisterCodeGenFlags> CodegenFlags;
|
|
|
|
revng::InitRevng::InitRevng(int &Argc,
|
|
char **&Argv,
|
|
const char *Overview,
|
|
llvm::ArrayRef<const llvm::cl::OptionCategory *>
|
|
CategoriesToHide) :
|
|
InitLLVM(Argc, Argv, true) {
|
|
|
|
if (auto Error = revng::Configuration::reload()) {
|
|
std::string Message = llvm::toString(std::move(Error));
|
|
dbg << "Failed to parse configuration. " << Message << "\n";
|
|
std::exit(EXIT_FAILURE);
|
|
}
|
|
|
|
revng_assert(not Initialized);
|
|
Initialized = true;
|
|
|
|
OnQuit->install();
|
|
initializeLLVMLibraries();
|
|
|
|
llvm::setBugReportMsg("PLEASE submit a bug report to "
|
|
"https://github.com/revng/revng and include the "
|
|
"crash backtrace\n");
|
|
|
|
if (not CategoriesToHide.empty()) {
|
|
// NOLINTNEXTLINE
|
|
llvm::cl::HideUnrelatedOptions(CategoriesToHide);
|
|
}
|
|
|
|
// The EnvVar option in llvm::cl::ParseCommandLineOptions prepends the
|
|
// contents of the EnvVar environment variable to the argv, this is
|
|
// undesirable since we have `-load`s in the argv. Here we parse the env
|
|
// manually (if present) and append the command-line options at the end of
|
|
// the argv.
|
|
llvm::BumpPtrAllocator A;
|
|
llvm::StringSaver Saver(A);
|
|
llvm::SmallVector<const char *, 0> Arguments(Argv, Argv + Argc);
|
|
if (auto EnvValue = llvm::sys::Process::GetEnv("REVNG_OPTIONS")) {
|
|
llvm::cl::TokenizeGNUCommandLine(*EnvValue, Saver, Arguments);
|
|
}
|
|
|
|
// NOLINTNEXTLINE
|
|
bool Result = llvm::cl::ParseCommandLineOptions(Arguments.size(),
|
|
Arguments.data(),
|
|
Overview);
|
|
|
|
if (not Result)
|
|
std::exit(EXIT_FAILURE);
|
|
|
|
// Force-enable `--enable-strict-debug-information-preservation-style` for
|
|
// revng binaries even if it wasn't specified.
|
|
llvm::EnableStrictDebugInformationPreservationStyle.setInitialValue(true);
|
|
|
|
using namespace llvm;
|
|
StringMap<cl::Option *> &Options(cl::getRegisteredOptions());
|
|
|
|
const char *OptionName = "emit-hex-constant-literals-from";
|
|
getOption<uint64_t>(Options, OptionName)->setInitialValue(4096);
|
|
}
|
|
|
|
revng::InitRevng::~InitRevng() {
|
|
OnQuit->quit();
|
|
}
|
|
|
|
void revng::InitRevng::initializeLLVMLibraries() {
|
|
CodegenFlags.emplace();
|
|
llvm::InitializeNativeTarget();
|
|
llvm::InitializeNativeTargetAsmPrinter();
|
|
llvm::InitializeNativeTargetAsmParser();
|
|
|
|
auto &Registry = *llvm::PassRegistry::getPassRegistry();
|
|
llvm::initializeCore(Registry);
|
|
llvm::initializeTransformUtils(Registry);
|
|
llvm::initializeScalarOpts(Registry);
|
|
llvm::initializeVectorization(Registry);
|
|
llvm::initializeInstCombine(Registry);
|
|
llvm::initializeIPO(Registry);
|
|
llvm::initializeAnalysis(Registry);
|
|
llvm::initializeCodeGen(Registry);
|
|
llvm::initializeGlobalISel(Registry);
|
|
llvm::initializeTarget(Registry);
|
|
}
|