forked from OSchip/llvm-project
141 lines
5.1 KiB
C++
141 lines
5.1 KiB
C++
//===--- Ananas.cpp - Ananas ToolChain Implementations ------*- C++ -*-===//
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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 "Ananas.h"
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#include "InputInfo.h"
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#include "CommonArgs.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 "llvm/ADT/SmallString.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Support/Path.h"
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using namespace clang::driver;
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using namespace clang::driver::tools;
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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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void ananas::Assembler::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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claimNoWarnArgs(Args);
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ArgStringList CmdArgs;
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Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
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CmdArgs.push_back("-o");
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CmdArgs.push_back(Output.getFilename());
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for (const auto &II : Inputs)
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CmdArgs.push_back(II.getFilename());
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const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
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C.addCommand(std::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
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}
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void ananas::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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const ToolChain &ToolChain = getToolChain();
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const Driver &D = ToolChain.getDriver();
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ArgStringList CmdArgs;
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// Silence warning for "clang -g foo.o -o foo"
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Args.ClaimAllArgs(options::OPT_g_Group);
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// and "clang -emit-llvm foo.o -o foo"
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Args.ClaimAllArgs(options::OPT_emit_llvm);
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// and for "clang -w foo.o -o foo". Other warning options are already
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// handled somewhere else.
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Args.ClaimAllArgs(options::OPT_w);
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if (!D.SysRoot.empty())
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CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
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if (Args.hasArg(options::OPT_static)) {
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CmdArgs.push_back("-Bstatic");
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} else {
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if (Args.hasArg(options::OPT_rdynamic))
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CmdArgs.push_back("-export-dynamic");
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if (Args.hasArg(options::OPT_shared)) {
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CmdArgs.push_back("-Bshareable");
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} else {
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Args.AddAllArgs(CmdArgs, options::OPT_pie);
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CmdArgs.push_back("-dynamic-linker");
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CmdArgs.push_back("/lib/ld-ananas.so");
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}
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}
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if (Output.isFilename()) {
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CmdArgs.push_back("-o");
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CmdArgs.push_back(Output.getFilename());
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} else {
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assert(Output.isNothing() && "Invalid output.");
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}
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
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if (!Args.hasArg(options::OPT_shared)) {
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o")));
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}
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
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if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie)) {
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbeginS.o")));
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} else {
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbegin.o")));
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}
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}
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Args.AddAllArgs(CmdArgs, options::OPT_L);
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ToolChain.AddFilePathLibArgs(Args, CmdArgs);
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Args.AddAllArgs(CmdArgs,
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{options::OPT_T_Group, options::OPT_e, options::OPT_s,
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options::OPT_t, options::OPT_Z_Flag, options::OPT_r});
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if (D.isUsingLTO()) {
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assert(!Inputs.empty() && "Must have at least one input.");
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addLTOOptions(ToolChain, Args, CmdArgs, Output, Inputs[0],
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D.getLTOMode() == LTOK_Thin);
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}
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AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
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if (ToolChain.ShouldLinkCXXStdlib(Args))
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ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs))
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CmdArgs.push_back("-lc");
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
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if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
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else
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
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}
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const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
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C.addCommand(std::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
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}
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// Ananas - Ananas tool chain which can call as(1) and ld(1) directly.
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Ananas::Ananas(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
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: Generic_ELF(D, Triple, Args) {
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getFilePaths().push_back(getDriver().SysRoot + "/usr/lib");
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}
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Tool *Ananas::buildAssembler() const {
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return new tools::ananas::Assembler(*this);
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}
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Tool *Ananas::buildLinker() const { return new tools::ananas::Linker(*this); }
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