clang  15.0.0git
XCore.cpp
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1 //===--- XCore.cpp - XCore 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 "XCore.h"
10 #include "CommonArgs.h"
12 #include "clang/Driver/Driver.h"
13 #include "clang/Driver/Options.h"
14 #include "llvm/Option/ArgList.h"
15 #include <cstdlib> // ::getenv
16 
17 using namespace clang::driver;
18 using namespace clang::driver::toolchains;
19 using namespace clang;
20 using namespace llvm::opt;
21 
22 /// XCore Tools
23 // We pass assemble and link construction to the xcc tool.
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  CmdArgs.push_back("-o");
34  CmdArgs.push_back(Output.getFilename());
35 
36  CmdArgs.push_back("-c");
37 
38  if (Args.hasArg(options::OPT_v))
39  CmdArgs.push_back("-v");
40 
41  if (Arg *A = Args.getLastArg(options::OPT_g_Group))
42  if (!A->getOption().matches(options::OPT_g0))
43  CmdArgs.push_back("-g");
44 
45  if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm,
46  false))
47  CmdArgs.push_back("-fverbose-asm");
48 
49  Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
50 
51  for (const auto &II : Inputs)
52  CmdArgs.push_back(II.getFilename());
53 
54  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
55  C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
56  Exec, CmdArgs, Inputs, Output));
57 }
58 
60  const InputInfo &Output,
61  const InputInfoList &Inputs,
62  const ArgList &Args,
63  const char *LinkingOutput) const {
64  ArgStringList CmdArgs;
65 
66  if (Output.isFilename()) {
67  CmdArgs.push_back("-o");
68  CmdArgs.push_back(Output.getFilename());
69  } else {
70  assert(Output.isNothing() && "Invalid output.");
71  }
72 
73  if (Args.hasArg(options::OPT_v))
74  CmdArgs.push_back("-v");
75 
76  // Pass -fexceptions through to the linker if it was present.
77  if (Args.hasFlag(options::OPT_fexceptions, options::OPT_fno_exceptions,
78  false))
79  CmdArgs.push_back("-fexceptions");
80 
81  AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
82 
83  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
84  C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
85  Exec, CmdArgs, Inputs, Output));
86 }
87 
88 /// XCore tool chain
89 XCoreToolChain::XCoreToolChain(const Driver &D, const llvm::Triple &Triple,
90  const ArgList &Args)
91  : ToolChain(D, Triple, Args) {
92  // ProgramPaths are found via 'PATH' environment variable.
93 }
94 
96  return new tools::XCore::Assembler(*this);
97 }
98 
100  return new tools::XCore::Linker(*this);
101 }
102 
103 bool XCoreToolChain::isPICDefault() const { return false; }
104 
105 bool XCoreToolChain::isPIEDefault(const llvm::opt::ArgList &Args) const {
106  return false;
107 }
108 
109 bool XCoreToolChain::isPICDefaultForced() const { return false; }
110 
111 bool XCoreToolChain::SupportsProfiling() const { return false; }
112 
113 bool XCoreToolChain::hasBlocksRuntime() const { return false; }
114 
115 void XCoreToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
116  ArgStringList &CC1Args) const {
117  if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc) ||
118  DriverArgs.hasArg(options::OPT_nostdlibinc))
119  return;
120  if (const char *cl_include_dir = getenv("XCC_C_INCLUDE_PATH")) {
122  const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
123  StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
124  ArrayRef<StringRef> DirVec(Dirs);
125  addSystemIncludes(DriverArgs, CC1Args, DirVec);
126  }
127 }
128 
129 void XCoreToolChain::addClangTargetOptions(const ArgList &DriverArgs,
130  ArgStringList &CC1Args,
131  Action::OffloadKind) const {
132  CC1Args.push_back("-nostdsysteminc");
133  // Set `-fno-use-cxa-atexit` to default.
134  if (!DriverArgs.hasFlag(options::OPT_fuse_cxa_atexit,
135  options::OPT_fno_use_cxa_atexit, false))
136  CC1Args.push_back("-fno-use-cxa-atexit");
137 }
138 
140  const ArgList &DriverArgs, ArgStringList &CC1Args) const {
141  if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc) ||
142  DriverArgs.hasArg(options::OPT_nostdlibinc) ||
143  DriverArgs.hasArg(options::OPT_nostdincxx))
144  return;
145  if (const char *cl_include_dir = getenv("XCC_CPLUS_INCLUDE_PATH")) {
147  const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
148  StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
149  ArrayRef<StringRef> DirVec(Dirs);
150  addSystemIncludes(DriverArgs, CC1Args, DirVec);
151  }
152 }
153 
154 void XCoreToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
155  ArgStringList &CmdArgs) const {
156  // We don't output any lib args. This is handled by xcc.
157 }
clang::driver::toolchains::XCoreToolChain::addClangTargetOptions
void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, Action::OffloadKind DeviceOffloadKind) const override
Add options that need to be passed to cc1 for this target.
Definition: XCore.cpp:129
clang::driver::toolchains
Definition: AIX.h:55
clang::driver::toolchains::XCoreToolChain::isPICDefaultForced
bool isPICDefaultForced() const override
Tests whether this toolchain forces its default for PIC, PIE or non-PIC.
Definition: XCore.cpp:109
Driver.h
llvm::SmallVector
Definition: LLVM.h:38
clang::driver::toolchains::XCoreToolChain::AddClangCXXStdlibIncludeArgs
void AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
AddClangCXXStdlibIncludeArgs - Add the clang -cc1 level arguments to set the include paths to use for...
Definition: XCore.cpp:139
clang::driver::InputInfo
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
clang::driver::toolchains::XCoreToolChain::buildAssembler
Tool * buildAssembler() const override
Definition: XCore.cpp:95
clang::driver::tools::XCore::Linker
Definition: XCore.h:34
clang::driver::tools::AddLinkerInputs
void AddLinkerInputs(const ToolChain &TC, const InputInfoList &Inputs, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, const JobAction &JA)
clang::driver::tools::XCore::Linker::ConstructJob
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: XCore.cpp:59
clang::driver::Tool
Tool - Information on a specific compilation tool.
Definition: Tool.h:32
clang::driver::tools::claimNoWarnArgs
void claimNoWarnArgs(const llvm::opt::ArgList &Args)
Options.h
clang::driver::InputInfo::isFilename
bool isFilename() const
Definition: InputInfo.h:75
clang::driver::toolchains::XCoreToolChain::AddClangSystemIncludeArgs
void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
Add the clang cc1 arguments for system include paths.
Definition: XCore.cpp:115
XCore.h
llvm::opt
Definition: DiagnosticOptions.h:19
clang::driver::InputInfo::isNothing
bool isNothing() const
Definition: InputInfo.h:74
clang::driver::toolchains::XCoreToolChain::XCoreToolChain
XCoreToolChain(const Driver &D, const llvm::Triple &Triple, const llvm::opt::ArgList &Args)
XCore tool chain.
Definition: XCore.cpp:89
clang::driver::toolchains::XCoreToolChain::buildLinker
Tool * buildLinker() const override
Definition: XCore.cpp:99
clang::driver::ToolChain::addSystemIncludes
static void addSystemIncludes(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, ArrayRef< StringRef > Paths)
Utility function to add a list of system include directories to CC1.
Definition: ToolChain.cpp:936
Compilation.h
clang::driver::ToolChain
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:91
llvm::ArrayRef
Definition: LLVM.h:34
clang::driver::tools::XCore::Assembler
Definition: XCore.h:23
clang::driver::toolchains::XCoreToolChain::hasBlocksRuntime
bool hasBlocksRuntime() const override
hasBlocksRuntime - Given that the user is compiling with -fblocks, does this tool chain guarantee the...
Definition: XCore.cpp:113
clang::driver::Compilation
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
clang::driver::InputInfo::getFilename
const char * getFilename() const
Definition: InputInfo.h:83
CommonArgs.h
clang
Definition: CalledOnceCheck.h:17
clang::driver::Driver
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:72
clang::driver::toolchains::XCoreToolChain::AddCXXStdlibLibArgs
void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const override
AddCXXStdlibLibArgs - Add the system specific linker arguments to use for the given C++ standard libr...
Definition: XCore.cpp:154
clang::driver::toolchains::XCoreToolChain::isPICDefault
bool isPICDefault() const override
Test whether this toolchain defaults to PIC.
Definition: XCore.cpp:103
clang::driver::toolchains::XCoreToolChain::isPIEDefault
bool isPIEDefault(const llvm::opt::ArgList &Args) const override
Test whether this toolchain defaults to PIE.
Definition: XCore.cpp:105
clang::driver::tools::XCore::Assembler::ConstructJob
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
XCore Tools.
Definition: XCore.cpp:25
clang::driver::toolchains::XCoreToolChain::SupportsProfiling
bool SupportsProfiling() const override
SupportsProfiling - Does this tool chain support -pg.
Definition: XCore.cpp:111
clang::driver::Action::OffloadKind
OffloadKind
Definition: Action.h:88
clang::driver
Definition: Action.h:31
clang::driver::ResponseFileSupport::None
static constexpr ResponseFileSupport None()
Returns a ResponseFileSupport indicating that response files are not supported.
Definition: Job.h:78
clang::driver::JobAction
Definition: Action.h:395