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 "InputInfo.h"
12 #include "clang/Driver/Compilation.h"
13 #include "clang/Driver/Driver.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 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
61 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
62 CmdArgs.push_back(
63 Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
64 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
65 }
66
67 Args.AddAllArgs(CmdArgs,
68 {options::OPT_L, options::OPT_T_Group, options::OPT_e});
69
70 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
71
72 getToolChain().addProfileRTLibs(Args, CmdArgs);
73
74 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
75 if (D.CCCIsCXX()) {
76 if (getToolChain().ShouldLinkCXXStdlib(Args))
77 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
78 CmdArgs.push_back("-lm");
79 }
80 }
81
82 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
83 if (Args.hasArg(options::OPT_pthread))
84 CmdArgs.push_back("-lpthread");
85 CmdArgs.push_back("-lc");
86 CmdArgs.push_back("-lCompilerRT-Generic");
87 CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib");
88 CmdArgs.push_back(
89 Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
90 }
91
92 const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
93 C.addCommand(std::make_unique<Command>(JA, *this,
94 ResponseFileSupport::AtFileCurCP(),
95 Exec, CmdArgs, Inputs, Output));
96 }
97
98 /// Minix - Minix tool chain which can call as(1) and ld(1) directly.
99
Minix(const Driver & D,const llvm::Triple & Triple,const ArgList & Args)100 toolchains::Minix::Minix(const Driver &D, const llvm::Triple &Triple,
101 const ArgList &Args)
102 : Generic_ELF(D, Triple, Args) {
103 getFilePaths().push_back(getDriver().Dir + "/../lib");
104 getFilePaths().push_back("/usr/lib");
105 }
106
buildAssembler() const107 Tool *toolchains::Minix::buildAssembler() const {
108 return new tools::minix::Assembler(*this);
109 }
110
buildLinker() const111 Tool *toolchains::Minix::buildLinker() const {
112 return new tools::minix::Linker(*this);
113 }
114