Minix.cpp source code [clang_source_code/lib/Driver/ToolChains/Minix.cpp]

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
22	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(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
40	}
41
42	void tools::minix::Linker::ConstructJob(Compilation &C, const JobAction &JA,
43	const InputInfo &Output,
44	const InputInfoList &Inputs,
45	const ArgList &Args,
46	const char *LinkingOutput) const {
47	const Driver &D = getToolChain().getDriver();
48	ArgStringList CmdArgs;
49
50	if (Output.isFilename()) {
51	CmdArgs.push_back("-o");
52	CmdArgs.push_back(Output.getFilename());
53	} else {
54	(0) . __assert_fail ("Output.isNothing() && \"Invalid output.\"", "/home/seafit/code_projects/clang_source/clang/lib/Driver/ToolChains/Minix.cpp", 54, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(Output.isNothing() && "Invalid output.");
55	}
56
57	if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
58	CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
59	CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
60	CmdArgs.push_back(
61	Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
62	CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
63	}
64
65	Args.AddAllArgs(CmdArgs,
66	{options::OPT_L, options::OPT_T_Group, options::OPT_e});
67
68	AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
69
70	getToolChain().addProfileRTLibs(Args, CmdArgs);
71
72	if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
73	if (D.CCCIsCXX()) {
74	if (getToolChain().ShouldLinkCXXStdlib(Args))
75	getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
76	CmdArgs.push_back("-lm");
77	}
78	}
79
80	if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
81	if (Args.hasArg(options::OPT_pthread))
82	CmdArgs.push_back("-lpthread");
83	CmdArgs.push_back("-lc");
84	CmdArgs.push_back("-lCompilerRT-Generic");
85	CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib");
86	CmdArgs.push_back(
87	Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
88	}
89
90	const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
91	C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
92	}
93
94	/// Minix - Minix tool chain which can call as(1) and ld(1) directly.
95
96	toolchains::Minix::Minix(const Driver &D, const llvm::Triple &Triple,
97	const ArgList &Args)
98	: Generic_ELF(D, Triple, Args) {
99	getFilePaths().push_back(getDriver().Dir + "/../lib");
100	getFilePaths().push_back("/usr/lib");
101	}
102
103	Tool *toolchains::Minix::buildAssembler() const {
104	return new tools::minix::Assembler(*this);
105	}
106
107	Tool *toolchains::Minix::buildLinker() const {
108	return new tools::minix::Linker(*this);
109	}
110

Clang Project