clang 20.0.0git
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"
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
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 assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
67 if (Output.isFilename()) {
68 CmdArgs.push_back("-o");
69 CmdArgs.push_back(Output.getFilename());
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, ResponseFileSupport::None(),
84 Exec, CmdArgs, Inputs, Output));
85}
86
87/// XCore tool chain
88XCoreToolChain::XCoreToolChain(const Driver &D, const llvm::Triple &Triple,
89 const ArgList &Args)
90 : ToolChain(D, Triple, Args) {
91 // ProgramPaths are found via 'PATH' environment variable.
92}
93
95 return new tools::XCore::Assembler(*this);
96}
97
99 return new tools::XCore::Linker(*this);
100}
101
102bool XCoreToolChain::isPICDefault() const { return false; }
103
104bool XCoreToolChain::isPIEDefault(const llvm::opt::ArgList &Args) const {
105 return false;
106}
107
108bool XCoreToolChain::isPICDefaultForced() const { return false; }
109
110bool XCoreToolChain::SupportsProfiling() const { return false; }
111
112bool XCoreToolChain::hasBlocksRuntime() const { return false; }
113
114void XCoreToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
115 ArgStringList &CC1Args) const {
116 if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc) ||
117 DriverArgs.hasArg(options::OPT_nostdlibinc))
118 return;
119 if (const char *cl_include_dir = getenv("XCC_C_INCLUDE_PATH")) {
121 const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
122 StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
123 ArrayRef<StringRef> DirVec(Dirs);
124 addSystemIncludes(DriverArgs, CC1Args, DirVec);
125 }
126}
127
128void XCoreToolChain::addClangTargetOptions(const ArgList &DriverArgs,
129 ArgStringList &CC1Args,
130 Action::OffloadKind) const {
131 CC1Args.push_back("-nostdsysteminc");
132 // Set `-fno-use-cxa-atexit` to default.
133 if (!DriverArgs.hasFlag(options::OPT_fuse_cxa_atexit,
134 options::OPT_fno_use_cxa_atexit, false))
135 CC1Args.push_back("-fno-use-cxa-atexit");
136}
137
139 const ArgList &DriverArgs, ArgStringList &CC1Args) const {
140 if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc) ||
141 DriverArgs.hasArg(options::OPT_nostdlibinc) ||
142 DriverArgs.hasArg(options::OPT_nostdincxx))
143 return;
144 if (const char *cl_include_dir = getenv("XCC_CPLUS_INCLUDE_PATH")) {
146 const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
147 StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
148 ArrayRef<StringRef> DirVec(Dirs);
149 addSystemIncludes(DriverArgs, CC1Args, DirVec);
150 }
151}
152
153void XCoreToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
154 ArgStringList &CmdArgs) const {
155 // We don't output any lib args. This is handled by xcc.
156}
const Decl * D
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:77
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:92
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:1220
Tool - Information on a specific compilation tool.
Definition: Tool.h:32
const ToolChain & getToolChain() const
Definition: Tool.h:52
bool hasBlocksRuntime() const override
hasBlocksRuntime - Given that the user is compiling with -fblocks, does this tool chain guarantee the...
Definition: XCore.cpp:112
bool SupportsProfiling() const override
SupportsProfiling - Does this tool chain support -pg.
Definition: XCore.cpp:110
bool isPICDefaultForced() const override
Tests whether this toolchain forces its default for PIC, PIE or non-PIC.
Definition: XCore.cpp:108
XCoreToolChain(const Driver &D, const llvm::Triple &Triple, const llvm::opt::ArgList &Args)
XCore tool chain.
Definition: XCore.cpp:88
Tool * buildLinker() const override
Definition: XCore.cpp:98
bool isPIEDefault(const llvm::opt::ArgList &Args) const override
Test whether this toolchain defaults to PIE.
Definition: XCore.cpp:104
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:138
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:128
Tool * buildAssembler() const override
Definition: XCore.cpp:94
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:153
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:114
bool isPICDefault() const override
Test whether this toolchain defaults to PIC.
Definition: XCore.cpp:102
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
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
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)
The JSON file list parser is used to communicate input to InstallAPI.
static constexpr ResponseFileSupport None()
Returns a ResponseFileSupport indicating that response files are not supported.
Definition: Job.h:78