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//===--- BareMetal.h - Bare Metal Tool and ToolChain ------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_BAREMETAL_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_BAREMETAL_H
#include "ToolChains/Gnu.h"
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.h"
#include <string>
namespace clang {
namespace driver {
namespace toolchains {
class LLVM_LIBRARY_VISIBILITY BareMetal : public Generic_ELF {
public:
BareMetal(const Driver &D, const llvm::Triple &Triple,
const llvm::opt::ArgList &Args);
~BareMetal() override = default;
static bool handlesTarget(const llvm::Triple &Triple);
void findMultilibs(const Driver &D, const llvm::Triple &Triple,
const llvm::opt::ArgList &Args);
protected:
Tool *buildLinker() const override;
Tool *buildStaticLibTool() const override;
public:
bool initGCCInstallation(const llvm::Triple &Triple,
const llvm::opt::ArgList &Args);
bool hasValidGCCInstallation() const { return IsGCCInstallationValid; }
bool isBareMetal() const override { return true; }
bool isCrossCompiling() const override { return true; }
bool HasNativeLLVMSupport() const override { return true; }
bool isPICDefault() const override { return false; }
bool isPIEDefault(const llvm::opt::ArgList &Args) const override {
return false;
}
bool isPICDefaultForced() const override { return false; }
bool SupportsProfiling() const override { return false; }
StringRef getOSLibName() const override { return "baremetal"; }
UnwindTableLevel
getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override {
return UnwindTableLevel::None;
}
CXXStdlibType GetDefaultCXXStdlibType() const override;
RuntimeLibType GetDefaultRuntimeLibType() const override;
UnwindLibType GetUnwindLibType(const llvm::opt::ArgList &Args) const override;
void
AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
void
addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args,
Action::OffloadKind DeviceOffloadKind) const override;
void AddClangCXXStdlibIncludeArgs(
const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
void
addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
std::string computeSysRoot() const override;
std::string getCompilerRTPath() const override;
SanitizerMask getSupportedSanitizers() const override;
SmallVector<std::string>
getMultilibMacroDefinesStr(llvm::opt::ArgList &Args) const override;
private:
using OrderedMultilibs =
llvm::iterator_range<llvm::SmallVector<Multilib>::const_reverse_iterator>;
OrderedMultilibs getOrderedMultilibs() const;
std::string SysRoot;
bool IsGCCInstallationValid;
SmallVector<std::string> MultilibMacroDefines;
};
} // namespace toolchains
namespace tools {
namespace baremetal {
class LLVM_LIBRARY_VISIBILITY StaticLibTool : public Tool {
public:
StaticLibTool(const ToolChain &TC)
: Tool("baremetal::StaticLibTool", "llvm-ar", TC) {}
bool hasIntegratedCPP() const override { return false; }
bool isLinkJob() const override { return true; }
void ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output, const InputInfoList &Inputs,
const llvm::opt::ArgList &TCArgs,
const char *LinkingOutput) const override;
};
class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
public:
Linker(const ToolChain &TC) : Tool("baremetal::Linker", "linker", TC) {}
bool isLinkJob() const override { return true; }
bool hasIntegratedCPP() const override { return false; }
void ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output, const InputInfoList &Inputs,
const llvm::opt::ArgList &TCArgs,
const char *LinkingOutput) const override;
};
} // namespace baremetal
} // namespace tools
} // namespace driver
} // namespace clang
#endif
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