clang  12.0.0git
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));
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));
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 { return false; }
106 
107 bool XCoreToolChain::isPICDefaultForced() const { return false; }
108 
109 bool XCoreToolChain::SupportsProfiling() const { return false; }
110 
111 bool XCoreToolChain::hasBlocksRuntime() const { return false; }
112 
113 void XCoreToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
114  ArgStringList &CC1Args) const {
115  if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc) ||
116  DriverArgs.hasArg(options::OPT_nostdlibinc))
117  return;
118  if (const char *cl_include_dir = getenv("XCC_C_INCLUDE_PATH")) {
120  const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
121  StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
122  ArrayRef<StringRef> DirVec(Dirs);
123  addSystemIncludes(DriverArgs, CC1Args, DirVec);
124  }
125 }
126 
127 void XCoreToolChain::addClangTargetOptions(const ArgList &DriverArgs,
128  ArgStringList &CC1Args,
129  Action::OffloadKind) const {
130  CC1Args.push_back("-nostdsysteminc");
131 }
132 
134  const ArgList &DriverArgs, ArgStringList &CC1Args) const {
135  if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc) ||
136  DriverArgs.hasArg(options::OPT_nostdlibinc) ||
137  DriverArgs.hasArg(options::OPT_nostdincxx))
138  return;
139  if (const char *cl_include_dir = getenv("XCC_CPLUS_INCLUDE_PATH")) {
141  const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
142  StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
143  ArrayRef<StringRef> DirVec(Dirs);
144  addSystemIncludes(DriverArgs, CC1Args, DirVec);
145  }
146 }
147 
148 void XCoreToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
149  ArgStringList &CmdArgs) const {
150  // We don't output any lib args. This is handled by xcc.
151 }
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:127
bool isPIEDefault() const override
Test whether this toolchain defaults to PIE.
Definition: XCore.cpp:105
const char * getFilename() const
Definition: InputInfo.h:83
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:133
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
XCoreToolChain(const Driver &D, const llvm::Triple &Triple, const llvm::opt::ArgList &Args)
XCore tool chain.
Definition: XCore.cpp:89
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
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:59
Tool * buildAssembler() const override
Definition: XCore.cpp:95
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:889
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:113
void addCommand(std::unique_ptr< Command > C)
Definition: Compilation.h:205
Tool * buildLinker() const override
Definition: XCore.cpp:99
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
Dataflow Directional Tag Classes.
bool hasBlocksRuntime() const override
hasBlocksRuntime - Given that the user is compiling with -fblocks, does this tool chain guarantee the...
Definition: XCore.cpp:111
void AddLinkerInputs(const ToolChain &TC, const InputInfoList &Inputs, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, const JobAction &JA)
Tool - Information on a specific compilation tool.
Definition: Tool.h:32
void claimNoWarnArgs(const llvm::opt::ArgList &Args)
bool SupportsProfiling() const override
SupportsProfiling - Does this tool chain support -pg.
Definition: XCore.cpp:109
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
bool isNothing() const
Definition: InputInfo.h:74
static constexpr ResponseFileSupport None()
Returns a ResponseFileSupport indicating that response files are not supported.
Definition: Job.h:77
bool isFilename() const
Definition: InputInfo.h:75
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:148
bool isPICDefaultForced() const override
Tests whether this toolchain forces its default for PIC, PIE or non-PIC.
Definition: XCore.cpp:107
bool isPICDefault() const override
Test whether this toolchain defaults to PIC.
Definition: XCore.cpp:103
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:90