1 //===--- Minix.cpp - Minix ToolChain Implementations ------------*- C++ -*-===//
2 //
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
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "Minix.h"
10 #include "CommonArgs.h"
11 #include "clang/Driver/Compilation.h"
12 #include "clang/Driver/Driver.h"
13 #include "clang/Driver/InputInfo.h"
14 #include "clang/Driver/Options.h"
15 #include "llvm/Option/ArgList.h"
16 #include "llvm/Support/VirtualFileSystem.h"
17
18 using namespace clang::driver;
19 using namespace clang;
20 using namespace llvm::opt;
21
ConstructJob(Compilation & C,const JobAction & JA,const InputInfo & Output,const InputInfoList & Inputs,const ArgList & Args,const char * LinkingOutput) const22 void tools::minix::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
23 const InputInfo &Output,
24 const InputInfoList &Inputs,
25 const ArgList &Args,
26 const char *LinkingOutput) const {
27 claimNoWarnArgs(Args);
28 ArgStringList CmdArgs;
29
30 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
31
32 CmdArgs.push_back("-o");
33 CmdArgs.push_back(Output.getFilename());
34
35 for (const auto &II : Inputs)
36 CmdArgs.push_back(II.getFilename());
37
38 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
39 C.addCommand(std::make_unique<Command>(JA, *this,
40 ResponseFileSupport::AtFileCurCP(),
41 Exec, CmdArgs, Inputs, Output));
42 }
43
ConstructJob(Compilation & C,const JobAction & JA,const InputInfo & Output,const InputInfoList & Inputs,const ArgList & Args,const char * LinkingOutput) const44 void tools::minix::Linker::ConstructJob(Compilation &C, const JobAction &JA,
45 const InputInfo &Output,
46 const InputInfoList &Inputs,
47 const ArgList &Args,
48 const char *LinkingOutput) const {
49 const Driver &D = getToolChain().getDriver();
50 ArgStringList CmdArgs;
51
52 if (Output.isFilename()) {
53 CmdArgs.push_back("-o");
54 CmdArgs.push_back(Output.getFilename());
55 } else {
56 assert(Output.isNothing() && "Invalid output.");
57 }
58
59 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
60 options::OPT_r)) {
61 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
62 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
63 CmdArgs.push_back(
64 Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
65 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
66 }
67
68 Args.AddAllArgs(CmdArgs,
69 {options::OPT_L, options::OPT_T_Group, options::OPT_e});
70
71 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
72
73 getToolChain().addProfileRTLibs(Args, CmdArgs);
74
75 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
76 options::OPT_r)) {
77 if (D.CCCIsCXX()) {
78 if (getToolChain().ShouldLinkCXXStdlib(Args))
79 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
80 CmdArgs.push_back("-lm");
81 }
82 }
83
84 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
85 options::OPT_r)) {
86 if (Args.hasArg(options::OPT_pthread))
87 CmdArgs.push_back("-lpthread");
88 CmdArgs.push_back("-lc");
89 CmdArgs.push_back("-lCompilerRT-Generic");
90 CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib");
91 CmdArgs.push_back(
92 Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
93 }
94
95 const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
96 C.addCommand(std::make_unique<Command>(JA, *this,
97 ResponseFileSupport::AtFileCurCP(),
98 Exec, CmdArgs, Inputs, Output));
99 }
100
101 /// Minix - Minix tool chain which can call as(1) and ld(1) directly.
102
Minix(const Driver & D,const llvm::Triple & Triple,const ArgList & Args)103 toolchains::Minix::Minix(const Driver &D, const llvm::Triple &Triple,
104 const ArgList &Args)
105 : Generic_ELF(D, Triple, Args) {
106 getFilePaths().push_back(getDriver().Dir + "/../lib");
107 getFilePaths().push_back("/usr/lib");
108 }
109
buildAssembler() const110 Tool *toolchains::Minix::buildAssembler() const {
111 return new tools::minix::Assembler(*this);
112 }
113
buildLinker() const114 Tool *toolchains::Minix::buildLinker() const {
115 return new tools::minix::Linker(*this);
116 }
117