================ @@ -0,0 +1,92 @@ +//===--- UEFI.h - UEFI ToolChain Implementations ----------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "UEFI.h" +#include "CommonArgs.h" +#include "Darwin.h" +#include "clang/Basic/CharInfo.h" +#include "clang/Basic/Version.h" +#include "clang/Config/config.h" +#include "clang/Driver/Compilation.h" +#include "clang/Driver/Driver.h" +#include "clang/Driver/Options.h" +#include "clang/Driver/SanitizerArgs.h" +#include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/StringSwitch.h" +#include "llvm/Option/Arg.h" +#include "llvm/Option/ArgList.h" +#include "llvm/Support/FileSystem.h" +#include "llvm/Support/MemoryBuffer.h" +#include "llvm/Support/VirtualFileSystem.h" +#include "llvm/TargetParser/Host.h" + +using namespace clang::driver; +using namespace clang::driver::toolchains; +using namespace clang; +using namespace llvm::opt; + +UEFI::UEFI(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) + : ToolChain(D, Triple, Args) { + getProgramPaths().push_back(getDriver().getInstalledDir()); + if (getDriver().getInstalledDir() != getDriver().Dir) + getProgramPaths().push_back(getDriver().Dir); +} + +Tool *UEFI::buildLinker() const { return new tools::uefi::Linker(*this); } + +void tools::uefi::Linker::ConstructJob(Compilation &C, const JobAction &JA, + const InputInfo &Output, + const InputInfoList &Inputs, + const ArgList &Args, + const char *LinkingOutput) const { + ArgStringList CmdArgs; + auto &TC = static_cast<const toolchains::UEFI &>(getToolChain()); + + assert((Output.isFilename() || Output.isNothing()) && "invalid output"); + if (Output.isFilename()) + CmdArgs.push_back( + Args.MakeArgString(std::string("-out:") + Output.getFilename())); + + CmdArgs.push_back("-nologo"); + + // TODO: Other UEFI binary subsystems that are currently unsupported: + // efi_boot_service_driver, efi_rom, efi_runtime_driver. + CmdArgs.push_back("-subsystem:efi_application"); + + // Default entry function name according to the TianoCore reference + // implementation is EfiMain. + // TODO: Provide a flag to override the entry function name. + CmdArgs.push_back("-entry:EfiMain"); + + // "Terminal Service Aware" flag is not needed for UEFI applications. + CmdArgs.push_back("-tsaware:no"); + + // EFI_APPLICATION to be linked as DLL by default. + CmdArgs.push_back("-dll"); + + if (Args.hasArg(options::OPT_g_Group, options::OPT__SLASH_Z7)) + CmdArgs.push_back("-debug"); + + Args.AddAllArgValues(CmdArgs, options::OPT__SLASH_link); + + AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA); + + // This should ideally be handled by ToolChain::GetLinkerPath but we need + // to special case some linker paths. In the case of lld, we need to + // translate 'lld' into 'lld-link'. + StringRef Linker = + Args.getLastArgValue(options::OPT_fuse_ld_EQ, CLANG_DEFAULT_LINKER); + if (Linker.empty() || Linker.equals("lld")) ---------------- Prabhuk wrote:
Done. https://github.com/llvm/llvm-project/pull/76838 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
