12 #include "clang/Config/config.h" 18 #include "llvm/Option/ArgList.h" 19 #include "llvm/Support/Path.h" 24 using namespace clang;
31 const char *LinkingOutput)
const {
36 ArgStringList CmdArgs;
39 Args.ClaimAllArgs(options::OPT_g_Group);
41 Args.ClaimAllArgs(options::OPT_emit_llvm);
44 Args.ClaimAllArgs(options::OPT_w);
46 const char *Exec = Args.MakeArgString(ToolChain.
GetLinkerPath());
47 if (llvm::sys::path::filename(Exec).equals_lower(
"ld.lld") ||
48 llvm::sys::path::stem(Exec).equals_lower(
"ld.lld")) {
49 CmdArgs.push_back(
"-z");
50 CmdArgs.push_back(
"rodynamic");
54 CmdArgs.push_back(Args.MakeArgString(
"--sysroot=" + D.
SysRoot));
56 if (!Args.hasArg(options::OPT_shared) && !Args.hasArg(options::OPT_r))
57 CmdArgs.push_back(
"-pie");
59 if (Args.hasArg(options::OPT_rdynamic))
60 CmdArgs.push_back(
"-export-dynamic");
62 if (Args.hasArg(options::OPT_s))
63 CmdArgs.push_back(
"-s");
65 if (Args.hasArg(options::OPT_r)) {
66 CmdArgs.push_back(
"-r");
68 CmdArgs.push_back(
"--build-id");
69 CmdArgs.push_back(
"--hash-style=gnu");
72 CmdArgs.push_back(
"--eh-frame-hdr");
74 if (Args.hasArg(options::OPT_static))
75 CmdArgs.push_back(
"-Bstatic");
76 else if (Args.hasArg(options::OPT_shared))
77 CmdArgs.push_back(
"-shared");
79 if (!Args.hasArg(options::OPT_shared)) {
85 CmdArgs.push_back(
"-dynamic-linker");
86 CmdArgs.push_back(Args.MakeArgString(Dyld));
89 CmdArgs.push_back(
"-o");
92 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
93 if (!Args.hasArg(options::OPT_shared)) {
94 CmdArgs.push_back(Args.MakeArgString(ToolChain.
GetFilePath(
"Scrt1.o")));
98 Args.AddAllArgs(CmdArgs, options::OPT_L);
99 Args.AddAllArgs(CmdArgs, options::OPT_u);
107 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
108 if (Args.hasArg(options::OPT_static))
109 CmdArgs.push_back(
"-Bdynamic");
114 CmdArgs.push_back(
"-lm");
119 if (Args.hasArg(options::OPT_pthread) ||
120 Args.hasArg(options::OPT_pthreads))
121 CmdArgs.push_back(
"-lpthread");
123 if (Args.hasArg(options::OPT_fsplit_stack))
124 CmdArgs.push_back(
"--wrap=pthread_create");
126 CmdArgs.push_back(
"-lc");
129 C.
addCommand(llvm::make_unique<Command>(JA, *
this, Exec, CmdArgs, Inputs));
136 T += Triple.getArchName();
138 T += Triple.getOSName();
143 llvm::Triple Triple) {
157 llvm::sys::path::append(P,
"lib");
162 llvm::sys::path::append(P,
"lib");
171 return Triple.getTriple();
179 const ArgList &Args)
const {
180 if (Arg *A = Args.getLastArg(clang::driver::options::OPT_rtlib_EQ)) {
181 StringRef
Value = A->getValue();
182 if (Value !=
"compiler-rt")
184 << A->getAsString(Args);
192 if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
193 StringRef
Value = A->getValue();
194 if (Value !=
"libc++")
196 << A->getAsString(Args);
203 ArgStringList &CC1Args,
205 if (DriverArgs.hasFlag(options::OPT_fuse_init_array,
206 options::OPT_fno_use_init_array,
true))
207 CC1Args.push_back(
"-fuse-init-array");
211 ArgStringList &CC1Args)
const {
214 if (DriverArgs.hasArg(options::OPT_nostdinc))
217 if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
219 llvm::sys::path::append(P,
"include");
223 if (DriverArgs.hasArg(options::OPT_nostdlibinc))
227 StringRef CIncludeDirs(C_INCLUDE_DIRS);
228 if (CIncludeDirs !=
"") {
230 CIncludeDirs.split(dirs,
":");
231 for (StringRef dir : dirs) {
233 llvm::sys::path::is_absolute(dir) ? StringRef(D.
SysRoot) :
"";
241 llvm::sys::path::append(P,
"include");
247 ArgStringList &CC1Args)
const {
248 if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
249 DriverArgs.hasArg(options::OPT_nostdincxx))
255 llvm::sys::path::append(P,
"include",
"c++",
"v1");
261 llvm_unreachable(
"invalid stdlib name");
266 ArgStringList &CmdArgs)
const {
269 CmdArgs.push_back(
"-lc++");
270 CmdArgs.push_back(
"-lc++abi");
271 CmdArgs.push_back(
"-lunwind");
275 llvm_unreachable(
"invalid stdlib name");
281 Res |= SanitizerKind::SafeStack;
282 Res |= SanitizerKind::Address;
283 Res |= SanitizerKind::Scudo;
std::string DyldPrefix
Dynamic loader prefix, if present.
DiagnosticBuilder Diag(unsigned DiagID) const
std::string Dir
The path the driver executable was in, as invoked from the command line.
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
const FunctionProtoType * T
void addCommand(std::unique_ptr< Command > C)
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
static std::string getTargetDir(const Driver &D, llvm::Triple Triple)
Dataflow Directional Tag Classes.
std::string SysRoot
sysroot, if present
Compilation - A set of tasks to perform for a single driver invocation.
bool needsSharedRt() const
static std::string normalizeTriple(llvm::Triple Triple)
Fuchsia - Fuchsia tool chain which can call as(1) and ld(1) directly.
std::string ResourceDir
The path to the compiler resource directory.