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Diffstat (limited to 'clang/lib/Driver/ToolChains/Linux.cpp')
-rw-r--r--clang/lib/Driver/ToolChains/Linux.cpp111
1 files changed, 72 insertions, 39 deletions
diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index af74b108e04e..ceb1a982c3a4 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -97,9 +97,9 @@ std::string Linux::getMultiarchTriple(const Driver &D,
case llvm::Triple::mips64: {
std::string MT = std::string(IsMipsR6 ? "mipsisa64r6" : "mips64") +
"-linux-" + (IsMipsN32Abi ? "gnuabin32" : "gnuabi64");
- if (D.getVFS().exists(SysRoot + "/lib/" + MT))
+ if (D.getVFS().exists(concat(SysRoot, "/lib", MT)))
return MT;
- if (D.getVFS().exists(SysRoot + "/lib/mips64-linux-gnu"))
+ if (D.getVFS().exists(concat(SysRoot, "/lib/mips64-linux-gnu")))
return "mips64-linux-gnu";
break;
}
@@ -108,14 +108,14 @@ std::string Linux::getMultiarchTriple(const Driver &D,
return "mips64el-linux-android";
std::string MT = std::string(IsMipsR6 ? "mipsisa64r6el" : "mips64el") +
"-linux-" + (IsMipsN32Abi ? "gnuabin32" : "gnuabi64");
- if (D.getVFS().exists(SysRoot + "/lib/" + MT))
+ if (D.getVFS().exists(concat(SysRoot, "/lib", MT)))
return MT;
- if (D.getVFS().exists(SysRoot + "/lib/mips64el-linux-gnu"))
+ if (D.getVFS().exists(concat(SysRoot, "/lib/mips64el-linux-gnu")))
return "mips64el-linux-gnu";
break;
}
case llvm::Triple::ppc:
- if (D.getVFS().exists(SysRoot + "/lib/powerpc-linux-gnuspe"))
+ if (D.getVFS().exists(concat(SysRoot, "/lib/powerpc-linux-gnuspe")))
return "powerpc-linux-gnuspe";
return "powerpc-linux-gnu";
case llvm::Triple::ppcle:
@@ -124,6 +124,8 @@ std::string Linux::getMultiarchTriple(const Driver &D,
return "powerpc64-linux-gnu";
case llvm::Triple::ppc64le:
return "powerpc64le-linux-gnu";
+ case llvm::Triple::riscv64:
+ return "riscv64-linux-gnu";
case llvm::Triple::sparc:
return "sparc-linux-gnu";
case llvm::Triple::sparcv9:
@@ -221,8 +223,12 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
const bool IsMips = Triple.isMIPS();
const bool IsHexagon = Arch == llvm::Triple::hexagon;
const bool IsRISCV = Triple.isRISCV();
+ const bool IsCSKY = Triple.isCSKY();
- if (IsMips && !SysRoot.empty())
+ if (IsCSKY)
+ SysRoot = SysRoot + SelectedMultilib.osSuffix();
+
+ if ((IsMips || IsCSKY) && !SysRoot.empty())
ExtraOpts.push_back("--sysroot=" + SysRoot);
// Do not use 'gnu' hash style for Mips targets because .gnu.hash
@@ -265,13 +271,13 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
// used. We need add both libo32 and /lib.
if (Arch == llvm::Triple::mips || Arch == llvm::Triple::mipsel) {
Generic_GCC::AddMultilibPaths(D, SysRoot, "libo32", MultiarchTriple, Paths);
- addPathIfExists(D, SysRoot + "/libo32", Paths);
- addPathIfExists(D, SysRoot + "/usr/libo32", Paths);
+ addPathIfExists(D, concat(SysRoot, "/libo32"), Paths);
+ addPathIfExists(D, concat(SysRoot, "/usr/libo32"), Paths);
}
Generic_GCC::AddMultilibPaths(D, SysRoot, OSLibDir, MultiarchTriple, Paths);
- addPathIfExists(D, SysRoot + "/lib/" + MultiarchTriple, Paths);
- addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths);
+ addPathIfExists(D, concat(SysRoot, "/lib", MultiarchTriple), Paths);
+ addPathIfExists(D, concat(SysRoot, "/lib/..", OSLibDir), Paths);
if (IsAndroid) {
// Android sysroots contain a library directory for each supported OS
@@ -279,43 +285,37 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
// directory.
addPathIfExists(
D,
- SysRoot + "/usr/lib/" + MultiarchTriple + "/" +
- llvm::to_string(Triple.getEnvironmentVersion().getMajor()),
+ concat(SysRoot, "/usr/lib", MultiarchTriple,
+ llvm::to_string(Triple.getEnvironmentVersion().getMajor())),
Paths);
}
- addPathIfExists(D, SysRoot + "/usr/lib/" + MultiarchTriple, Paths);
+ addPathIfExists(D, concat(SysRoot, "/usr/lib", MultiarchTriple), Paths);
// 64-bit OpenEmbedded sysroots may not have a /usr/lib dir. So they cannot
// find /usr/lib64 as it is referenced as /usr/lib/../lib64. So we handle
// this here.
if (Triple.getVendor() == llvm::Triple::OpenEmbedded &&
Triple.isArch64Bit())
- addPathIfExists(D, SysRoot + "/usr/" + OSLibDir, Paths);
+ addPathIfExists(D, concat(SysRoot, "/usr", OSLibDir), Paths);
else
- addPathIfExists(D, SysRoot + "/usr/lib/../" + OSLibDir, Paths);
+ addPathIfExists(D, concat(SysRoot, "/usr/lib/..", OSLibDir), Paths);
if (IsRISCV) {
StringRef ABIName = tools::riscv::getRISCVABI(Args, Triple);
- addPathIfExists(D, SysRoot + "/" + OSLibDir + "/" + ABIName, Paths);
- addPathIfExists(D, SysRoot + "/usr/" + OSLibDir + "/" + ABIName, Paths);
+ addPathIfExists(D, concat(SysRoot, "/", OSLibDir, ABIName), Paths);
+ addPathIfExists(D, concat(SysRoot, "/usr", OSLibDir, ABIName), Paths);
}
Generic_GCC::AddMultiarchPaths(D, SysRoot, OSLibDir, Paths);
- // Similar to the logic for GCC above, if we are currently running Clang
- // inside of the requested system root, add its parent library path to those
- // searched.
- // FIXME: It's not clear whether we should use the driver's installed
- // directory ('Dir' below) or the ResourceDir.
- if (StringRef(D.Dir).startswith(SysRoot)) {
- // Even if OSLibDir != "lib", this is needed for Clang in the build
- // directory (not installed) to find libc++.
+ // The deprecated -DLLVM_ENABLE_PROJECTS=libcxx configuration installs
+ // libc++.so in D.Dir+"/../lib/". Detect this path.
+ // TODO Remove once LLVM_ENABLE_PROJECTS=libcxx is unsupported.
+ if (StringRef(D.Dir).startswith(SysRoot) &&
+ D.getVFS().exists(D.Dir + "/../lib/libc++.so"))
addPathIfExists(D, D.Dir + "/../lib", Paths);
- if (OSLibDir != "lib")
- addPathIfExists(D, D.Dir + "/../" + OSLibDir, Paths);
- }
- addPathIfExists(D, SysRoot + "/lib", Paths);
- addPathIfExists(D, SysRoot + "/usr/lib", Paths);
+ addPathIfExists(D, concat(SysRoot, "/lib"), Paths);
+ addPathIfExists(D, concat(SysRoot, "/usr/lib"), Paths);
}
ToolChain::RuntimeLibType Linux::GetDefaultRuntimeLibType() const {
@@ -361,6 +361,21 @@ std::string Linux::computeSysRoot() const {
return AndroidSysRootPath;
}
+ if (getTriple().isCSKY()) {
+ // CSKY toolchains use different names for sysroot folder.
+ if (!GCCInstallation.isValid())
+ return std::string();
+ // GCCInstallation.getInstallPath() =
+ // $GCCToolchainPath/lib/gcc/csky-linux-gnuabiv2/6.3.0
+ // Path = $GCCToolchainPath/csky-linux-gnuabiv2/libc
+ std::string Path = (GCCInstallation.getInstallPath() + "/../../../../" +
+ GCCInstallation.getTriple().str() + "/libc")
+ .str();
+ if (getVFS().exists(Path))
+ return Path;
+ return std::string();
+ }
+
if (!GCCInstallation.isValid() || !getTriple().isMIPS())
return std::string();
@@ -537,6 +552,11 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const {
}
case llvm::Triple::ve:
return "/opt/nec/ve/lib/ld-linux-ve.so.1";
+ case llvm::Triple::csky: {
+ LibDir = "lib";
+ Loader = "ld.so.1";
+ break;
+ }
}
if (Distro == Distro::Exherbo &&
@@ -568,7 +588,7 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
return;
// LOCAL_INCLUDE_DIR
- addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/local/include");
+ addSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/usr/local/include"));
// TOOL_INCLUDE_DIR
AddMultilibIncludeArgs(DriverArgs, CC1Args);
@@ -589,9 +609,10 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
// /usr/include.
std::string MultiarchIncludeDir = getMultiarchTriple(D, getTriple(), SysRoot);
if (!MultiarchIncludeDir.empty() &&
- D.getVFS().exists(SysRoot + "/usr/include/" + MultiarchIncludeDir))
- addExternCSystemInclude(DriverArgs, CC1Args,
- SysRoot + "/usr/include/" + MultiarchIncludeDir);
+ D.getVFS().exists(concat(SysRoot, "/usr/include", MultiarchIncludeDir)))
+ addExternCSystemInclude(
+ DriverArgs, CC1Args,
+ concat(SysRoot, "/usr/include", MultiarchIncludeDir));
if (getTriple().getOS() == llvm::Triple::RTEMS)
return;
@@ -599,9 +620,9 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
// Add an include of '/include' directly. This isn't provided by default by
// system GCCs, but is often used with cross-compiling GCCs, and harmless to
// add even when Clang is acting as-if it were a system compiler.
- addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/include");
+ addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/include"));
- addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include");
+ addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/usr/include"));
if (!DriverArgs.hasArg(options::OPT_nobuiltininc) && getTriple().isMusl())
addSystemInclude(DriverArgs, CC1Args, ResourceDirInclude);
@@ -658,6 +679,15 @@ void Linux::AddHIPIncludeArgs(const ArgList &DriverArgs,
RocmInstallation.AddHIPIncludeArgs(DriverArgs, CC1Args);
}
+void Linux::AddHIPRuntimeLibArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ CmdArgs.append(
+ {Args.MakeArgString(StringRef("-L") + RocmInstallation.getLibPath()),
+ "-rpath", Args.MakeArgString(RocmInstallation.getLibPath())});
+
+ CmdArgs.push_back("-lamdhip64");
+}
+
void Linux::AddIAMCUIncludeArgs(const ArgList &DriverArgs,
ArgStringList &CC1Args) const {
if (GCCInstallation.isValid()) {
@@ -669,8 +699,11 @@ void Linux::AddIAMCUIncludeArgs(const ArgList &DriverArgs,
}
bool Linux::isPIEDefault(const llvm::opt::ArgList &Args) const {
- return CLANG_DEFAULT_PIE_ON_LINUX || getTriple().isAndroid() ||
- getTriple().isMusl() || getSanitizerArgs(Args).requiresPIE();
+ // TODO: Remove the special treatment for Flang once its frontend driver can
+ // generate position independent code.
+ return !getDriver().IsFlangMode() &&
+ (CLANG_DEFAULT_PIE_ON_LINUX || getTriple().isAndroid() ||
+ getTriple().isMusl() || getSanitizerArgs(Args).requiresPIE());
}
bool Linux::IsAArch64OutlineAtomicsDefault(const ArgList &Args) const {
@@ -687,7 +720,7 @@ bool Linux::IsAArch64OutlineAtomicsDefault(const ArgList &Args) const {
}
bool Linux::IsMathErrnoDefault() const {
- if (getTriple().isAndroid())
+ if (getTriple().isAndroid() || getTriple().isMusl())
return false;
return Generic_ELF::IsMathErrnoDefault();
}
generated by cgit v1.3 (git 2.53.0) at 2026-03-10 14:45:42 +0000