blob: 12f56bc10ec963153b760861b697d5345166f078 [file] [log] [blame]
//===- CommonLinkerContext.cpp --------------------------------------------===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "lld/Common/CommonLinkerContext.h"
#include "lld/Common/ErrorHandler.h"
#include "lld/Common/Memory.h"
#include "llvm/CodeGen/CommandFlags.h"
using namespace llvm;
using namespace lld;
// Reference to the current LLD instance. This is a temporary situation, until
// we pass this context everywhere by reference, or we make it a thread_local,
// as in where each thread can be
// associated with a LLD instance. Only then will LLD be free of global
// state.
static CommonLinkerContext *lctx;
CommonLinkerContext::CommonLinkerContext() {
lctx = this;
// Fire off the static initializations in CGF's constructor.
codegen::RegisterCodeGenFlags CGF;
CommonLinkerContext::~CommonLinkerContext() {
// Explicitly call the destructors since we created the objects with placement
// new in SpecificAlloc::create().
for (auto &it : instances)
lctx = nullptr;
CommonLinkerContext &lld::commonContext() {
return *lctx;
bool lld::hasContext() { return lctx != nullptr; }
void CommonLinkerContext::destroy() {
if (lctx == nullptr)
delete lctx;