clang 17.0.0git
Ananas.cpp
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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 "CommonArgs.h"
12#include "clang/Driver/Driver.h"
15#include "llvm/ADT/SmallString.h"
16#include "llvm/Option/ArgList.h"
17#include "llvm/Support/Path.h"
18
19using namespace clang::driver;
20using namespace clang::driver::tools;
21using namespace clang::driver::toolchains;
22using namespace clang;
23using namespace llvm::opt;
24
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(std::make_unique<Command>(JA, *this,
44 Exec, CmdArgs, Inputs, Output));
45}
46
48 const InputInfo &Output,
49 const InputInfoList &Inputs,
50 const ArgList &Args,
51 const char *LinkingOutput) const {
52 const ToolChain &ToolChain = getToolChain();
53 const Driver &D = ToolChain.getDriver();
54 ArgStringList CmdArgs;
55
56 // Silence warning for "clang -g foo.o -o foo"
57 Args.ClaimAllArgs(options::OPT_g_Group);
58 // and "clang -emit-llvm foo.o -o foo"
59 Args.ClaimAllArgs(options::OPT_emit_llvm);
60 // and for "clang -w foo.o -o foo". Other warning options are already
61 // handled somewhere else.
62 Args.ClaimAllArgs(options::OPT_w);
63
64 if (!D.SysRoot.empty())
65 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
66
67 if (Args.hasArg(options::OPT_static)) {
68 CmdArgs.push_back("-Bstatic");
69 } else {
70 if (Args.hasArg(options::OPT_rdynamic))
71 CmdArgs.push_back("-export-dynamic");
72 if (Args.hasArg(options::OPT_shared)) {
73 CmdArgs.push_back("-Bshareable");
74 } else if (!Args.hasArg(options::OPT_r)) {
75 Args.AddAllArgs(CmdArgs, options::OPT_pie);
76 CmdArgs.push_back("-dynamic-linker");
77 CmdArgs.push_back("/lib/ld-ananas.so");
78 }
79 }
80
81 if (Output.isFilename()) {
82 CmdArgs.push_back("-o");
83 CmdArgs.push_back(Output.getFilename());
84 } else {
85 assert(Output.isNothing() && "Invalid output.");
86 }
87
88 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
89 options::OPT_r)) {
90 if (!Args.hasArg(options::OPT_shared)) {
91 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o")));
92 }
93 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
94 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie)) {
95 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbeginS.o")));
96 } else {
97 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbegin.o")));
98 }
99 }
100
101 Args.AddAllArgs(CmdArgs, options::OPT_L);
102 ToolChain.AddFilePathLibArgs(Args, CmdArgs);
103 Args.AddAllArgs(CmdArgs,
104 {options::OPT_T_Group, options::OPT_e, options::OPT_s,
105 options::OPT_t, options::OPT_Z_Flag, options::OPT_r});
106
107 if (D.isUsingLTO()) {
108 assert(!Inputs.empty() && "Must have at least one input.");
109 addLTOOptions(ToolChain, Args, CmdArgs, Output, Inputs[0],
110 D.getLTOMode() == LTOK_Thin);
111 }
112
113 AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
114
115 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
116 options::OPT_r)) {
118 ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
119 CmdArgs.push_back("-lc");
120 }
121
122 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
123 options::OPT_r)) {
124 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
125 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
126 else
127 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
128 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
129 }
130
131 const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
132 C.addCommand(std::make_unique<Command>(JA, *this,
134 Exec, CmdArgs, Inputs, Output));
135}
136
137// Ananas - Ananas tool chain which can call as(1) and ld(1) directly.
138
139Ananas::Ananas(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
140 : Generic_ELF(D, Triple, Args) {
141 getFilePaths().push_back(getDriver().SysRoot + "/usr/lib");
142}
143
145 return new tools::ananas::Assembler(*this);
146}
147
148Tool *Ananas::buildLinker() const { return new tools::ananas::Linker(*this); }
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:76
std::string SysRoot
sysroot, if present
Definition: Driver.h:182
LTOKind getLTOMode(bool IsOffload=false) const
Get the specific kind of LTO being performed.
Definition: Driver.h:677
bool isUsingLTO(bool IsOffload=false) const
Returns true if we are performing any kind of LTO.
Definition: Driver.h:672
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
const char * getFilename() const
Definition: InputInfo.h:83
bool isNothing() const
Definition: InputInfo.h:74
bool isFilename() const
Definition: InputInfo.h:75
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:91
bool ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const
Returns if the C++ standard library should be linked in.
Definition: ToolChain.cpp:1071
std::string GetFilePath(const char *Name) const
Definition: ToolChain.cpp:660
path_list & getFilePaths()
Definition: ToolChain.h:278
const Driver & getDriver() const
Definition: ToolChain.h:236
virtual void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddCXXStdlibLibArgs - Add the system specific linker arguments to use for the given C++ standard libr...
Definition: ToolChain.cpp:1077
std::string GetLinkerPath(bool *LinkerIsLLD=nullptr) const
Returns the linker path, respecting the -fuse-ld= argument to determine the linker suffix or name.
Definition: ToolChain.cpp:668
void AddFilePathLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddFilePathLibArgs - Add each thing in getFilePaths() as a "-L" option.
Definition: ToolChain.cpp:1096
Tool - Information on a specific compilation tool.
Definition: Tool.h:32
const ToolChain & getToolChain() const
Definition: Tool.h:52
Tool * buildAssembler() const override
Definition: Ananas.cpp:144
Ananas(const Driver &D, const llvm::Triple &Triple, const llvm::opt::ArgList &Args)
Definition: Ananas.cpp:139
Tool * buildLinker() const override
Definition: Ananas.cpp:148
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
ConstructJob - Construct jobs to perform the action JA, writing to Output and with Inputs,...
Definition: Ananas.cpp:25
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
ConstructJob - Construct jobs to perform the action JA, writing to Output and with Inputs,...
Definition: Ananas.cpp:47
void addLTOOptions(const ToolChain &ToolChain, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, const InputInfo &Output, const InputInfo &Input, bool IsThinLTO)
void claimNoWarnArgs(const llvm::opt::ArgList &Args)
void AddLinkerInputs(const ToolChain &TC, const InputInfoList &Inputs, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, const JobAction &JA)
@ C
Languages that the frontend can parse and compile.
static constexpr ResponseFileSupport AtFileCurCP()
Definition: Job.h:92