fb78495376
Reverts llvm/llvm-project#109340 Addressing the failed MAC Clang Driver test as part of this reland.
89 lines
3.3 KiB
C++
89 lines
3.3 KiB
C++
//===--- UEFI.cpp - UEFI ToolChain Implementations -----------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "UEFI.h"
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#include "CommonArgs.h"
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#include "Darwin.h"
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#include "clang/Basic/CharInfo.h"
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#include "clang/Basic/Version.h"
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#include "clang/Config/config.h"
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/Options.h"
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#include "clang/Driver/SanitizerArgs.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include "llvm/TargetParser/Host.h"
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using namespace clang::driver;
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using namespace clang::driver::toolchains;
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using namespace clang;
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using namespace llvm::opt;
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UEFI::UEFI(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
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: ToolChain(D, Triple, Args) {}
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Tool *UEFI::buildLinker() const { return new tools::uefi::Linker(*this); }
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void tools::uefi::Linker::ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output,
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const InputInfoList &Inputs,
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const ArgList &Args,
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const char *LinkingOutput) const {
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ArgStringList CmdArgs;
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auto &TC = static_cast<const toolchains::UEFI &>(getToolChain());
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assert((Output.isFilename() || Output.isNothing()) && "invalid output");
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if (Output.isFilename())
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CmdArgs.push_back(
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Args.MakeArgString(std::string("-out:") + Output.getFilename()));
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CmdArgs.push_back("-nologo");
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// TODO: Other UEFI binary subsystems that are currently unsupported:
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// efi_boot_service_driver, efi_rom, efi_runtime_driver.
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CmdArgs.push_back("-subsystem:efi_application");
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// Default entry function name according to the TianoCore reference
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// implementation is EfiMain.
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// TODO: Provide a flag to override the entry function name.
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CmdArgs.push_back("-entry:EfiMain");
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// "Terminal Service Aware" flag is not needed for UEFI applications.
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CmdArgs.push_back("-tsaware:no");
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// EFI_APPLICATION to be linked as DLL by default.
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CmdArgs.push_back("-dll");
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if (Args.hasArg(options::OPT_g_Group, options::OPT__SLASH_Z7))
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CmdArgs.push_back("-debug");
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Args.AddAllArgValues(CmdArgs, options::OPT__SLASH_link);
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AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA);
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// This should ideally be handled by ToolChain::GetLinkerPath but we need
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// to special case some linker paths. In the case of lld, we need to
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// translate 'lld' into 'lld-link'.
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StringRef Linker =
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Args.getLastArgValue(options::OPT_fuse_ld_EQ, CLANG_DEFAULT_LINKER);
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if (Linker.empty() || Linker == "lld")
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Linker = "lld-link";
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auto LinkerPath = TC.GetProgramPath(Linker.str().c_str());
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auto LinkCmd = std::make_unique<Command>(
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JA, *this, ResponseFileSupport::AtFileUTF16(),
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Args.MakeArgString(LinkerPath), CmdArgs, Inputs, Output);
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C.addCommand(std::move(LinkCmd));
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}
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