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
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
ConstructJob(Compilation & C,const JobAction & JA,const InputInfo & Output,const InputInfoList & Inputs,const ArgList & Args,const char * LinkingOutput) const25 void 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, ResponseFileSupport::None(),
56 Exec, CmdArgs, Inputs, Output));
57 }
58
ConstructJob(Compilation & C,const JobAction & JA,const InputInfo & Output,const InputInfoList & Inputs,const ArgList & Args,const char * LinkingOutput) const59 void tools::XCore::Linker::ConstructJob(Compilation &C, const JobAction &JA,
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
XCoreToolChain(const Driver & D,const llvm::Triple & Triple,const ArgList & Args)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
buildAssembler() const95 Tool *XCoreToolChain::buildAssembler() const {
96 return new tools::XCore::Assembler(*this);
97 }
98
buildLinker() const99 Tool *XCoreToolChain::buildLinker() const {
100 return new tools::XCore::Linker(*this);
101 }
102
isPICDefault() const103 bool XCoreToolChain::isPICDefault() const { return false; }
104
isPIEDefault() const105 bool XCoreToolChain::isPIEDefault() const { return false; }
106
isPICDefaultForced() const107 bool XCoreToolChain::isPICDefaultForced() const { return false; }
108
SupportsProfiling() const109 bool XCoreToolChain::SupportsProfiling() const { return false; }
110
hasBlocksRuntime() const111 bool XCoreToolChain::hasBlocksRuntime() const { return false; }
112
AddClangSystemIncludeArgs(const ArgList & DriverArgs,ArgStringList & CC1Args) const113 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")) {
119 SmallVector<StringRef, 4> Dirs;
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
addClangTargetOptions(const ArgList & DriverArgs,ArgStringList & CC1Args,Action::OffloadKind) const127 void XCoreToolChain::addClangTargetOptions(const ArgList &DriverArgs,
128 ArgStringList &CC1Args,
129 Action::OffloadKind) const {
130 CC1Args.push_back("-nostdsysteminc");
131 }
132
AddClangCXXStdlibIncludeArgs(const ArgList & DriverArgs,ArgStringList & CC1Args) const133 void XCoreToolChain::AddClangCXXStdlibIncludeArgs(
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")) {
140 SmallVector<StringRef, 4> Dirs;
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
AddCXXStdlibLibArgs(const ArgList & Args,ArgStringList & CmdArgs) const148 void XCoreToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
149 ArgStringList &CmdArgs) const {
150 // We don't output any lib args. This is handled by xcc.
151 }
152