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

1	//===--- Ananas.cpp - Ananas 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 "Ananas.h"
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"
18
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;
24
25	void ananas::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
26	const InputInfo &Output,
27	const InputInfoList &Inputs,
28	const ArgList &Args,
29	const char *LinkingOutput) const {
30	claimNoWarnArgs(Args);
31	ArgStringList CmdArgs;
32
33	Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
34
35	CmdArgs.push_back("-o");
36	CmdArgs.push_back(Output.getFilename());
37
38	for (const auto &II : Inputs)
39	CmdArgs.push_back(II.getFilename());
40
41	const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
42	C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
43	}
44
45	void ananas::Linker::ConstructJob(Compilation &C, const JobAction &JA,
46	const InputInfo &Output,
47	const InputInfoList &Inputs,
48	const ArgList &Args,
49	const char *LinkingOutput) const {
50	const ToolChain &ToolChain = getToolChain();
51	const Driver &D = ToolChain.getDriver();
52	ArgStringList CmdArgs;
53
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);
61
62	if (!D.SysRoot.empty())
63	CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
64
65	if (Args.hasArg(options::OPT_static)) {
66	CmdArgs.push_back("-Bstatic");
67	} else {
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");
72	} else {
73	Args.AddAllArgs(CmdArgs, options::OPT_pie);
74	CmdArgs.push_back("-dynamic-linker");
75	CmdArgs.push_back("/lib/ld-ananas.so");
76	}
77	}
78
79	if (Output.isFilename()) {
80	CmdArgs.push_back("-o");
81	CmdArgs.push_back(Output.getFilename());
82	} else {
83	(0) . __assert_fail ("Output.isNothing() && \"Invalid output.\"", "/home/seafit/code_projects/clang_source/clang/lib/Driver/ToolChains/Ananas.cpp", 83, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(Output.isNothing() && "Invalid output.");
84	}
85
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")));
89	}
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")));
93	} else {
94	CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbegin.o")));
95	}
96	}
97
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});
103
104	if (D.isUsingLTO()) {
105	(0) . __assert_fail ("!Inputs.empty() && \"Must have at least one input.\"", "/home/seafit/code_projects/clang_source/clang/lib/Driver/ToolChains/Ananas.cpp", 105, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(!Inputs.empty() && "Must have at least one input.");
106	AddGoldPlugin(ToolChain, Args, CmdArgs, Output, Inputs[0],
107	D.getLTOMode() == LTOK_Thin);
108	}
109
110	AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
111
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");
116
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")));
120	else
121	CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
122	CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
123	}
124
125	const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
126	C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
127	}
128
129	// Ananas - Ananas tool chain which can call as(1) and ld(1) directly.
130
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");
134	}
135
136	Tool *Ananas::buildAssembler() const {
137	return new tools::ananas::Assembler(*this);
138	}
139
140	Tool Ananas::buildLinker() const { return new tools::ananas::Linker(this); }
141

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