forked from OSchip/llvm-project
294 lines
12 KiB
C++
294 lines
12 KiB
C++
//===--- Myriad.cpp - Myriad ToolChain Implementations ----------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "Myriad.h"
|
|
#include "CommonArgs.h"
|
|
#include "clang/Driver/Compilation.h"
|
|
#include "clang/Driver/Driver.h"
|
|
#include "clang/Driver/DriverDiagnostic.h"
|
|
#include "clang/Driver/Options.h"
|
|
#include "llvm/Option/ArgList.h"
|
|
|
|
using namespace clang::driver;
|
|
using namespace clang::driver::toolchains;
|
|
using namespace clang;
|
|
using namespace llvm::opt;
|
|
|
|
using tools::addPathIfExists;
|
|
|
|
void tools::SHAVE::Compiler::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
assert(Inputs.size() == 1);
|
|
const InputInfo &II = Inputs[0];
|
|
assert(II.getType() == types::TY_C || II.getType() == types::TY_CXX ||
|
|
II.getType() == types::TY_PP_CXX);
|
|
|
|
if (JA.getKind() == Action::PreprocessJobClass) {
|
|
Args.ClaimAllArgs();
|
|
CmdArgs.push_back("-E");
|
|
} else {
|
|
assert(Output.getType() == types::TY_PP_Asm); // Require preprocessed asm.
|
|
CmdArgs.push_back("-S");
|
|
CmdArgs.push_back("-fno-exceptions"); // Always do this even if unspecified.
|
|
}
|
|
CmdArgs.push_back("-DMYRIAD2");
|
|
|
|
// Append all -I, -iquote, -isystem paths, defines/undefines, 'f'
|
|
// flags, 'g' flags, 'M' flags, optimize flags, warning options,
|
|
// mcpu flags, mllvm flags, and Xclang flags.
|
|
// These are spelled the same way in clang and moviCompile.
|
|
Args.AddAllArgsExcept(
|
|
CmdArgs,
|
|
{options::OPT_I_Group, options::OPT_clang_i_Group, options::OPT_std_EQ,
|
|
options::OPT_D, options::OPT_U, options::OPT_f_Group,
|
|
options::OPT_f_clang_Group, options::OPT_g_Group, options::OPT_M_Group,
|
|
options::OPT_O_Group, options::OPT_W_Group, options::OPT_mcpu_EQ,
|
|
options::OPT_mllvm, options::OPT_Xclang},
|
|
{options::OPT_fno_split_dwarf_inlining});
|
|
Args.hasArg(options::OPT_fno_split_dwarf_inlining); // Claim it if present.
|
|
|
|
// If we're producing a dependency file, and assembly is the final action,
|
|
// then the name of the target in the dependency file should be the '.o'
|
|
// file, not the '.s' file produced by this step. For example, instead of
|
|
// /tmp/mumble.s: mumble.c .../someheader.h
|
|
// the filename on the lefthand side should be "mumble.o"
|
|
if (Args.getLastArg(options::OPT_MF) && !Args.getLastArg(options::OPT_MT) &&
|
|
C.getActions().size() == 1 &&
|
|
C.getActions()[0]->getKind() == Action::AssembleJobClass) {
|
|
Arg *A = Args.getLastArg(options::OPT_o);
|
|
if (A) {
|
|
CmdArgs.push_back("-MT");
|
|
CmdArgs.push_back(Args.MakeArgString(A->getValue()));
|
|
}
|
|
}
|
|
|
|
CmdArgs.push_back(II.getFilename());
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
std::string Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("moviCompile"));
|
|
C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
|
|
Args.MakeArgString(Exec), CmdArgs,
|
|
Inputs, Output));
|
|
}
|
|
|
|
void tools::SHAVE::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
assert(Inputs.size() == 1);
|
|
const InputInfo &II = Inputs[0];
|
|
assert(II.getType() == types::TY_PP_Asm); // Require preprocessed asm input.
|
|
assert(Output.getType() == types::TY_Object);
|
|
|
|
CmdArgs.push_back("-no6thSlotCompression");
|
|
const Arg *CPUArg = Args.getLastArg(options::OPT_mcpu_EQ);
|
|
if (CPUArg)
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString("-cv:" + StringRef(CPUArg->getValue())));
|
|
CmdArgs.push_back("-noSPrefixing");
|
|
CmdArgs.push_back("-a"); // Mystery option.
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
|
|
for (const Arg *A : Args.filtered(options::OPT_I, options::OPT_isystem)) {
|
|
A->claim();
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString(std::string("-i:") + A->getValue(0)));
|
|
}
|
|
CmdArgs.push_back(II.getFilename());
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString(std::string("-o:") + Output.getFilename()));
|
|
|
|
std::string Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("moviAsm"));
|
|
C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
|
|
Args.MakeArgString(Exec), CmdArgs,
|
|
Inputs, Output));
|
|
}
|
|
|
|
void tools::Myriad::Linker::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const auto &TC =
|
|
static_cast<const toolchains::MyriadToolChain &>(getToolChain());
|
|
const llvm::Triple &T = TC.getTriple();
|
|
ArgStringList CmdArgs;
|
|
bool UseStartfiles =
|
|
!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles);
|
|
bool UseDefaultLibs =
|
|
!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs);
|
|
// Silence warning if the args contain both -nostdlib and -stdlib=.
|
|
Args.getLastArg(options::OPT_stdlib_EQ);
|
|
|
|
if (T.getArch() == llvm::Triple::sparc)
|
|
CmdArgs.push_back("-EB");
|
|
else // SHAVE assumes little-endian, and sparcel is expressly so.
|
|
CmdArgs.push_back("-EL");
|
|
|
|
// The remaining logic is mostly like gnutools::Linker::ConstructJob,
|
|
// but we never pass through a --sysroot option and various other bits.
|
|
// For example, there are no sanitizers (yet) nor gold linker.
|
|
|
|
// Eat some arguments that may be present but have no effect.
|
|
Args.ClaimAllArgs(options::OPT_g_Group);
|
|
Args.ClaimAllArgs(options::OPT_w);
|
|
Args.ClaimAllArgs(options::OPT_static_libgcc);
|
|
|
|
if (Args.hasArg(options::OPT_s)) // Pass the 'strip' option.
|
|
CmdArgs.push_back("-s");
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
if (UseStartfiles) {
|
|
// If you want startfiles, it means you want the builtin crti and crtbegin,
|
|
// but not crt0. Myriad link commands provide their own crt0.o as needed.
|
|
CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crti.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtbegin.o")));
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
|
|
options::OPT_e, options::OPT_s, options::OPT_t,
|
|
options::OPT_Z_Flag, options::OPT_r});
|
|
|
|
TC.AddFilePathLibArgs(Args, CmdArgs);
|
|
|
|
bool NeedsSanitizerDeps = addSanitizerRuntimes(TC, Args, CmdArgs);
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
|
|
|
|
if (UseDefaultLibs) {
|
|
if (NeedsSanitizerDeps)
|
|
linkSanitizerRuntimeDeps(TC, CmdArgs);
|
|
if (C.getDriver().CCCIsCXX()) {
|
|
if (TC.GetCXXStdlibType(Args) == ToolChain::CST_Libcxx) {
|
|
CmdArgs.push_back("-lc++");
|
|
CmdArgs.push_back("-lc++abi");
|
|
} else
|
|
CmdArgs.push_back("-lstdc++");
|
|
}
|
|
if (T.getOS() == llvm::Triple::RTEMS) {
|
|
CmdArgs.push_back("--start-group");
|
|
CmdArgs.push_back("-lc");
|
|
CmdArgs.push_back("-lgcc"); // circularly dependent on rtems
|
|
// You must provide your own "-L" option to enable finding these.
|
|
CmdArgs.push_back("-lrtemscpu");
|
|
CmdArgs.push_back("-lrtemsbsp");
|
|
CmdArgs.push_back("--end-group");
|
|
} else {
|
|
CmdArgs.push_back("-lc");
|
|
CmdArgs.push_back("-lgcc");
|
|
}
|
|
}
|
|
if (UseStartfiles) {
|
|
CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtn.o")));
|
|
}
|
|
|
|
std::string Exec =
|
|
Args.MakeArgString(TC.GetProgramPath("sparc-myriad-rtems-ld"));
|
|
C.addCommand(std::make_unique<Command>(
|
|
JA, *this, ResponseFileSupport::AtFileCurCP(), Args.MakeArgString(Exec),
|
|
CmdArgs, Inputs, Output));
|
|
}
|
|
|
|
MyriadToolChain::MyriadToolChain(const Driver &D, const llvm::Triple &Triple,
|
|
const ArgList &Args)
|
|
: Generic_ELF(D, Triple, Args) {
|
|
// If a target of 'sparc-myriad-elf' is specified to clang, it wants to use
|
|
// 'sparc-myriad--elf' (note the unknown OS) as the canonical triple.
|
|
// This won't work to find gcc. Instead we give the installation detector an
|
|
// extra triple, which is preferable to further hacks of the logic that at
|
|
// present is based solely on getArch(). In particular, it would be wrong to
|
|
// choose the myriad installation when targeting a non-myriad sparc install.
|
|
switch (Triple.getArch()) {
|
|
default:
|
|
D.Diag(clang::diag::err_target_unsupported_arch)
|
|
<< Triple.getArchName() << "myriad";
|
|
LLVM_FALLTHROUGH;
|
|
case llvm::Triple::shave:
|
|
return;
|
|
case llvm::Triple::sparc:
|
|
case llvm::Triple::sparcel:
|
|
GCCInstallation.init(Triple, Args, {"sparc-myriad-rtems"});
|
|
}
|
|
|
|
if (GCCInstallation.isValid()) {
|
|
// This directory contains crt{i,n,begin,end}.o as well as libgcc.
|
|
// These files are tied to a particular version of gcc.
|
|
SmallString<128> CompilerSupportDir(GCCInstallation.getInstallPath());
|
|
addPathIfExists(D, CompilerSupportDir, getFilePaths());
|
|
}
|
|
// libstd++ and libc++ must both be found in this one place.
|
|
addPathIfExists(D, D.Dir + "/../sparc-myriad-rtems/lib", getFilePaths());
|
|
}
|
|
|
|
MyriadToolChain::~MyriadToolChain() {}
|
|
|
|
void MyriadToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
if (!DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
|
|
addSystemInclude(DriverArgs, CC1Args, getDriver().SysRoot + "/include");
|
|
}
|
|
|
|
void MyriadToolChain::addLibCxxIncludePaths(
|
|
const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
|
std::string Path(getDriver().getInstalledDir());
|
|
addSystemInclude(DriverArgs, CC1Args, Path + "/../include/c++/v1");
|
|
}
|
|
|
|
void MyriadToolChain::addLibStdCxxIncludePaths(
|
|
const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
|
StringRef LibDir = GCCInstallation.getParentLibPath();
|
|
const GCCVersion &Version = GCCInstallation.getVersion();
|
|
StringRef TripleStr = GCCInstallation.getTriple().str();
|
|
const Multilib &Multilib = GCCInstallation.getMultilib();
|
|
addLibStdCXXIncludePaths(
|
|
LibDir.str() + "/../" + TripleStr.str() + "/include/c++/" + Version.Text,
|
|
"", TripleStr, "", "", Multilib.includeSuffix(), DriverArgs, CC1Args);
|
|
}
|
|
|
|
// MyriadToolChain handles several triples:
|
|
// {shave,sparc{,el}}-myriad-{rtems,unknown}-elf
|
|
Tool *MyriadToolChain::SelectTool(const JobAction &JA) const {
|
|
// The inherited method works fine if not targeting the SHAVE.
|
|
if (!isShaveCompilation(getTriple()))
|
|
return ToolChain::SelectTool(JA);
|
|
switch (JA.getKind()) {
|
|
case Action::PreprocessJobClass:
|
|
case Action::CompileJobClass:
|
|
if (!Compiler)
|
|
Compiler.reset(new tools::SHAVE::Compiler(*this));
|
|
return Compiler.get();
|
|
case Action::AssembleJobClass:
|
|
if (!Assembler)
|
|
Assembler.reset(new tools::SHAVE::Assembler(*this));
|
|
return Assembler.get();
|
|
default:
|
|
return ToolChain::getTool(JA.getKind());
|
|
}
|
|
}
|
|
|
|
Tool *MyriadToolChain::buildLinker() const {
|
|
return new tools::Myriad::Linker(*this);
|
|
}
|
|
|
|
SanitizerMask MyriadToolChain::getSupportedSanitizers() const {
|
|
return SanitizerKind::Address;
|
|
}
|