1 //===--- Ananas.cpp - Ananas ToolChain Implementations ------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "Ananas.h"
11 #include "InputInfo.h"
12 #include "CommonArgs.h"
13 #include "clang/Driver/Compilation.h"
14 #include "clang/Driver/Driver.h"
15 #include "clang/Driver/Options.h"
16 #include "llvm/ADT/SmallString.h"
17 #include "llvm/Option/ArgList.h"
18 #include "llvm/Support/Path.h"
19
20 using namespace clang::driver;
21 using namespace clang::driver::tools;
22 using namespace clang::driver::toolchains;
23 using namespace clang;
24 using namespace llvm::opt;
25
ConstructJob(Compilation & C,const JobAction & JA,const InputInfo & Output,const InputInfoList & Inputs,const ArgList & Args,const char * LinkingOutput) const26 void ananas::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
27 const InputInfo &Output,
28 const InputInfoList &Inputs,
29 const ArgList &Args,
30 const char *LinkingOutput) const {
31 claimNoWarnArgs(Args);
32 ArgStringList CmdArgs;
33
34 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
35
36 CmdArgs.push_back("-o");
37 CmdArgs.push_back(Output.getFilename());
38
39 for (const auto &II : Inputs)
40 CmdArgs.push_back(II.getFilename());
41
42 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
43 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
44 }
45
ConstructJob(Compilation & C,const JobAction & JA,const InputInfo & Output,const InputInfoList & Inputs,const ArgList & Args,const char * LinkingOutput) const46 void ananas::Linker::ConstructJob(Compilation &C, const JobAction &JA,
47 const InputInfo &Output,
48 const InputInfoList &Inputs,
49 const ArgList &Args,
50 const char *LinkingOutput) const {
51 const ToolChain &ToolChain = getToolChain();
52 const Driver &D = ToolChain.getDriver();
53 ArgStringList CmdArgs;
54
55 // Silence warning for "clang -g foo.o -o foo"
56 Args.ClaimAllArgs(options::OPT_g_Group);
57 // and "clang -emit-llvm foo.o -o foo"
58 Args.ClaimAllArgs(options::OPT_emit_llvm);
59 // and for "clang -w foo.o -o foo". Other warning options are already
60 // handled somewhere else.
61 Args.ClaimAllArgs(options::OPT_w);
62
63 if (!D.SysRoot.empty())
64 CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
65
66 if (Args.hasArg(options::OPT_static)) {
67 CmdArgs.push_back("-Bstatic");
68 } else {
69 if (Args.hasArg(options::OPT_rdynamic))
70 CmdArgs.push_back("-export-dynamic");
71 if (Args.hasArg(options::OPT_shared)) {
72 CmdArgs.push_back("-Bshareable");
73 } else {
74 Args.AddAllArgs(CmdArgs, options::OPT_pie);
75 CmdArgs.push_back("-dynamic-linker");
76 CmdArgs.push_back("/lib/ld-ananas.so");
77 }
78 }
79
80 if (Output.isFilename()) {
81 CmdArgs.push_back("-o");
82 CmdArgs.push_back(Output.getFilename());
83 } else {
84 assert(Output.isNothing() && "Invalid output.");
85 }
86
87 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
88 if (!Args.hasArg(options::OPT_shared)) {
89 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o")));
90 }
91 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
92 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie)) {
93 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbeginS.o")));
94 } else {
95 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbegin.o")));
96 }
97 }
98
99 Args.AddAllArgs(CmdArgs, options::OPT_L);
100 ToolChain.AddFilePathLibArgs(Args, CmdArgs);
101 Args.AddAllArgs(CmdArgs,
102 {options::OPT_T_Group, options::OPT_e, options::OPT_s,
103 options::OPT_t, options::OPT_Z_Flag, options::OPT_r});
104
105 if (D.isUsingLTO()) {
106 assert(!Inputs.empty() && "Must have at least one input.");
107 AddGoldPlugin(ToolChain, Args, CmdArgs, Output, Inputs[0],
108 D.getLTOMode() == LTOK_Thin);
109 }
110
111 AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
112
113 if (ToolChain.ShouldLinkCXXStdlib(Args))
114 ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
115 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs))
116 CmdArgs.push_back("-lc");
117
118 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
119 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
120 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
121 else
122 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
123 CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
124 }
125
126 const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
127 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
128 }
129
130 // Ananas - Ananas tool chain which can call as(1) and ld(1) directly.
131
Ananas(const Driver & D,const llvm::Triple & Triple,const ArgList & Args)132 Ananas::Ananas(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
133 : Generic_ELF(D, Triple, Args) {
134 getFilePaths().push_back(getDriver().SysRoot + "/usr/lib");
135 }
136
buildAssembler() const137 Tool *Ananas::buildAssembler() const {
138 return new tools::ananas::Assembler(*this);
139 }
140
buildLinker() const141 Tool *Ananas::buildLinker() const { return new tools::ananas::Linker(*this); }
142