1 //===--- Ananas.cpp - Ananas ToolChain Implementations ------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 #include "InputInfo.h"
11 #include "CommonArgs.h"
12 #include "clang/Driver/Compilation.h"
13 #include "clang/Driver/Driver.h"
14 #include "clang/Driver/Options.h"
15 #include "llvm/ADT/SmallString.h"
16 #include "llvm/Option/ArgList.h"
17 #include "llvm/Support/Path.h"
19 using namespace clang::driver;
20 using namespace clang::driver::tools;
21 using namespace clang::driver::toolchains;
22 using namespace clang;
23 using namespace llvm::opt;
25 void ananas::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
26 const InputInfo &Output,
27 const InputInfoList &Inputs,
29 const char *LinkingOutput) const {
30 claimNoWarnArgs(Args);
31 ArgStringList CmdArgs;
33 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
35 CmdArgs.push_back("-o");
36 CmdArgs.push_back(Output.getFilename());
38 for (const auto &II : Inputs)
39 CmdArgs.push_back(II.getFilename());
41 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
42 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
45 void ananas::Linker::ConstructJob(Compilation &C, const JobAction &JA,
46 const InputInfo &Output,
47 const InputInfoList &Inputs,
49 const char *LinkingOutput) const {
50 const ToolChain &ToolChain = getToolChain();
51 const Driver &D = ToolChain.getDriver();
52 ArgStringList CmdArgs;
54 // Silence warning for "clang -g foo.o -o foo"
55 Args.ClaimAllArgs(options::OPT_g_Group);
56 // and "clang -emit-llvm foo.o -o foo"
57 Args.ClaimAllArgs(options::OPT_emit_llvm);
58 // and for "clang -w foo.o -o foo". Other warning options are already
59 // handled somewhere else.
60 Args.ClaimAllArgs(options::OPT_w);
62 if (!D.SysRoot.empty())
63 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
65 if (Args.hasArg(options::OPT_static)) {
66 CmdArgs.push_back("-Bstatic");
68 if (Args.hasArg(options::OPT_rdynamic))
69 CmdArgs.push_back("-export-dynamic");
70 if (Args.hasArg(options::OPT_shared)) {
71 CmdArgs.push_back("-Bshareable");
73 Args.AddAllArgs(CmdArgs, options::OPT_pie);
74 CmdArgs.push_back("-dynamic-linker");
75 CmdArgs.push_back("/lib/ld-ananas.so");
79 if (Output.isFilename()) {
80 CmdArgs.push_back("-o");
81 CmdArgs.push_back(Output.getFilename());
83 assert(Output.isNothing() && "Invalid output.");
86 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
87 if (!Args.hasArg(options::OPT_shared)) {
88 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o")));
90 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
91 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie)) {
92 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbeginS.o")));
94 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbegin.o")));
98 Args.AddAllArgs(CmdArgs, options::OPT_L);
99 ToolChain.AddFilePathLibArgs(Args, CmdArgs);
100 Args.AddAllArgs(CmdArgs,
101 {options::OPT_T_Group, options::OPT_e, options::OPT_s,
102 options::OPT_t, options::OPT_Z_Flag, options::OPT_r});
104 if (D.isUsingLTO()) {
105 assert(!Inputs.empty() && "Must have at least one input.");
106 AddGoldPlugin(ToolChain, Args, CmdArgs, Output, Inputs[0],
107 D.getLTOMode() == LTOK_Thin);
110 AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
112 if (ToolChain.ShouldLinkCXXStdlib(Args))
113 ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
114 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs))
115 CmdArgs.push_back("-lc");
117 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
118 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
119 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
121 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
122 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
125 const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
126 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
129 // Ananas - Ananas tool chain which can call as(1) and ld(1) directly.
131 Ananas::Ananas(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
132 : Generic_ELF(D, Triple, Args) {
133 getFilePaths().push_back(getDriver().SysRoot + "/usr/lib");
136 Tool *Ananas::buildAssembler() const {
137 return new tools::ananas::Assembler(*this);
140 Tool *Ananas::buildLinker() const { return new tools::ananas::Linker(*this); }