XCore.cpp revision 360784 
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"
11#include "clang/Driver/Compilation.h"
12#include "clang/Driver/Driver.h"
13#include "clang/Driver/Options.h"
14#include "llvm/Option/ArgList.h"
15#include <cstdlib> // ::getenv
16
17using namespace clang::driver;
18using namespace clang::driver::toolchains;
19using namespace clang;
20using namespace llvm::opt;
21
22/// XCore Tools
23// We pass assemble and link construction to the xcc tool.
24
25void tools::XCore::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  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, Exec, CmdArgs, Inputs));
56}
57
58void tools::XCore::Linker::ConstructJob(Compilation &C, const JobAction &JA,
59                                        const InputInfo &Output,
60                                        const InputInfoList &Inputs,
61                                        const ArgList &Args,
62                                        const char *LinkingOutput) const {
63  ArgStringList CmdArgs;
64
65  if (Output.isFilename()) {
66    CmdArgs.push_back("-o");
67    CmdArgs.push_back(Output.getFilename());
68  } else {
69    assert(Output.isNothing() && "Invalid output.");
70  }
71
72  if (Args.hasArg(options::OPT_v))
73    CmdArgs.push_back("-v");
74
75  // Pass -fexceptions through to the linker if it was present.
76  if (Args.hasFlag(options::OPT_fexceptions, options::OPT_fno_exceptions,
77                   false))
78    CmdArgs.push_back("-fexceptions");
79
80  AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
81
82  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
83  C.addCommand(std::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
84}
85
86/// XCore tool chain
87XCoreToolChain::XCoreToolChain(const Driver &D, const llvm::Triple &Triple,
88                               const ArgList &Args)
89    : ToolChain(D, Triple, Args) {
90  // ProgramPaths are found via 'PATH' environment variable.
91}
92
93Tool *XCoreToolChain::buildAssembler() const {
94  return new tools::XCore::Assembler(*this);
95}
96
97Tool *XCoreToolChain::buildLinker() const {
98  return new tools::XCore::Linker(*this);
99}
100
101bool XCoreToolChain::isPICDefault() const { return false; }
102
103bool XCoreToolChain::isPIEDefault() const { return false; }
104
105bool XCoreToolChain::isPICDefaultForced() const { return false; }
106
107bool XCoreToolChain::SupportsProfiling() const { return false; }
108
109bool XCoreToolChain::hasBlocksRuntime() const { return false; }
110
111void XCoreToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
112                                               ArgStringList &CC1Args) const {
113  if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc) ||
114      DriverArgs.hasArg(options::OPT_nostdlibinc))
115    return;
116  if (const char *cl_include_dir = getenv("XCC_C_INCLUDE_PATH")) {
117    SmallVector<StringRef, 4> Dirs;
118    const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
119    StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
120    ArrayRef<StringRef> DirVec(Dirs);
121    addSystemIncludes(DriverArgs, CC1Args, DirVec);
122  }
123}
124
125void XCoreToolChain::addClangTargetOptions(const ArgList &DriverArgs,
126                                           ArgStringList &CC1Args,
127                                           Action::OffloadKind) const {
128  CC1Args.push_back("-nostdsysteminc");
129}
130
131void XCoreToolChain::AddClangCXXStdlibIncludeArgs(
132    const ArgList &DriverArgs, ArgStringList &CC1Args) const {
133  if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc) ||
134      DriverArgs.hasArg(options::OPT_nostdlibinc) ||
135      DriverArgs.hasArg(options::OPT_nostdincxx))
136    return;
137  if (const char *cl_include_dir = getenv("XCC_CPLUS_INCLUDE_PATH")) {
138    SmallVector<StringRef, 4> Dirs;
139    const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
140    StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
141    ArrayRef<StringRef> DirVec(Dirs);
142    addSystemIncludes(DriverArgs, CC1Args, DirVec);
143  }
144}
145
146void XCoreToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
147                                         ArgStringList &CmdArgs) const {
148  // We don't output any lib args. This is handled by xcc.
149}
150