15 #include "llvm/Option/ArgList.h"
17 using namespace clang::driver;
18 using namespace clang::driver::tools;
19 using namespace clang::driver::toolchains;
20 using namespace clang;
21 using namespace llvm::opt;
31 const char *LinkingOutput)
const {
33 ArgStringList CmdArgs;
37 if (getToolChain().getArch() == llvm::Triple::x86)
38 CmdArgs.push_back(
"--32");
40 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
42 CmdArgs.push_back(
"-o");
45 for (
const auto &II : Inputs)
46 CmdArgs.push_back(II.getFilename());
48 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(
"as"));
49 C.
addCommand(llvm::make_unique<Command>(JA, *
this, Exec, CmdArgs, Inputs));
56 const char *LinkingOutput)
const {
57 const Driver &D = getToolChain().getDriver();
58 ArgStringList CmdArgs;
61 CmdArgs.push_back(Args.MakeArgString(
"--sysroot=" + D.
SysRoot));
63 CmdArgs.push_back(
"--eh-frame-hdr");
64 if (Args.hasArg(options::OPT_static)) {
65 CmdArgs.push_back(
"-Bstatic");
67 if (Args.hasArg(options::OPT_rdynamic))
68 CmdArgs.push_back(
"-export-dynamic");
69 if (Args.hasArg(options::OPT_shared))
70 CmdArgs.push_back(
"-Bshareable");
72 CmdArgs.push_back(
"-dynamic-linker");
73 CmdArgs.push_back(
"/usr/libexec/ld-elf.so.2");
75 CmdArgs.push_back(
"--hash-style=gnu");
76 CmdArgs.push_back(
"--enable-new-dtags");
81 if (getToolChain().getArch() == llvm::Triple::x86) {
82 CmdArgs.push_back(
"-m");
83 CmdArgs.push_back(
"elf_i386");
87 CmdArgs.push_back(
"-o");
90 assert(Output.
isNothing() &&
"Invalid output.");
93 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
94 if (!Args.hasArg(options::OPT_shared)) {
95 if (Args.hasArg(options::OPT_pg))
97 Args.MakeArgString(getToolChain().GetFilePath(
"gcrt1.o")));
99 if (Args.hasArg(options::OPT_pie))
101 Args.MakeArgString(getToolChain().GetFilePath(
"Scrt1.o")));
104 Args.MakeArgString(getToolChain().GetFilePath(
"crt1.o")));
107 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
"crti.o")));
108 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
110 Args.MakeArgString(getToolChain().GetFilePath(
"crtbeginS.o")));
113 Args.MakeArgString(getToolChain().GetFilePath(
"crtbegin.o")));
116 Args.AddAllArgs(CmdArgs,
117 {options::OPT_L, options::OPT_T_Group, options::OPT_e});
121 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
122 CmdArgs.push_back(
"-L/usr/lib/gcc50");
124 if (!Args.hasArg(options::OPT_static)) {
125 CmdArgs.push_back(
"-rpath");
126 CmdArgs.push_back(
"/usr/lib/gcc50");
130 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
131 CmdArgs.push_back(
"-lm");
134 if (Args.hasArg(options::OPT_pthread))
135 CmdArgs.push_back(
"-lpthread");
137 if (!Args.hasArg(options::OPT_nolibc)) {
138 CmdArgs.push_back(
"-lc");
141 if (Args.hasArg(options::OPT_static) ||
142 Args.hasArg(options::OPT_static_libgcc)) {
143 CmdArgs.push_back(
"-lgcc");
144 CmdArgs.push_back(
"-lgcc_eh");
146 if (Args.hasArg(options::OPT_shared_libgcc)) {
147 CmdArgs.push_back(
"-lgcc_pic");
148 if (!Args.hasArg(options::OPT_shared))
149 CmdArgs.push_back(
"-lgcc");
151 CmdArgs.push_back(
"-lgcc");
152 CmdArgs.push_back(
"--as-needed");
153 CmdArgs.push_back(
"-lgcc_pic");
154 CmdArgs.push_back(
"--no-as-needed");
159 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
160 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
162 Args.MakeArgString(getToolChain().GetFilePath(
"crtendS.o")));
165 Args.MakeArgString(getToolChain().GetFilePath(
"crtend.o")));
166 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
"crtn.o")));
169 getToolChain().addProfileRTLibs(Args, CmdArgs);
171 const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
172 C.
addCommand(llvm::make_unique<Command>(JA, *
this, Exec, CmdArgs, Inputs));
177 DragonFly::DragonFly(
const Driver &D,
const llvm::Triple &Triple,
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
void addCommand(std::unique_ptr< Command > C)
std::string SysRoot
sysroot, if present
Compilation - A set of tasks to perform for a single driver invocation.