[clang] 5e87ec1 - [SystemZ][z/OS] Add support for z/OS link step (executable and shared libs)
Abhina Sreeskantharajan via cfe-commits
cfe-commits at lists.llvm.org
Thu Jun 29 05:57:16 PDT 2023
Author: Sean Perry
Date: 2023-06-29T08:57:11-04:00
New Revision: 5e87ec1e19ce0226ff7c812db07aec1734c407b3
URL: https://github.com/llvm/llvm-project/commit/5e87ec1e19ce0226ff7c812db07aec1734c407b3
DIFF: https://github.com/llvm/llvm-project/commit/5e87ec1e19ce0226ff7c812db07aec1734c407b3.diff
LOG: [SystemZ][z/OS] Add support for z/OS link step (executable and shared libs)
Add support for performing a link step on z/OS. This will support C & C++ building executables and shared libs.
Reviewed By: zibi, abhina.sreeskantharajan
Differential Revision: https://reviews.llvm.org/D153580
Added:
clang/test/Driver/zos-ld.c
Modified:
clang/include/clang/Driver/Options.td
clang/lib/Driver/ToolChains/ZOS.cpp
clang/lib/Driver/ToolChains/ZOS.h
Removed:
################################################################################
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 312fa822bf5ccf..a352e20f1f9a0c 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -3720,6 +3720,12 @@ def meabi : Separate<["-"], "meabi">, Group<m_Group>, Flags<[CC1Option]>,
NormalizedValues<["Default", "EABI4", "EABI5", "GNU"]>;
def mtargetos_EQ : Joined<["-"], "mtargetos=">, Group<m_Group>,
HelpText<"Set the deployment target to be the specified OS and OS version">;
+def mzos_hlq_le_EQ : Joined<["-"], "mzos-hlq-le=">, MetaVarName<"<LeHLQ>">,
+ HelpText<"High level qualifier for z/OS Language Environment datasets">;
+def mzos_hlq_clang_EQ : Joined<["-"], "mzos-hlq-clang=">, MetaVarName<"<ClangHLQ>">,
+ HelpText<"High level qualifier for z/OS C++RT side deck datasets">;
+def mzos_hlq_csslib_EQ : Joined<["-"], "mzos-hlq-csslib=">, MetaVarName<"<CsslibHLQ>">,
+ HelpText<"High level qualifier for z/OS CSSLIB dataset">;
def mno_constant_cfstrings : Flag<["-"], "mno-constant-cfstrings">, Group<m_Group>;
def mno_global_merge : Flag<["-"], "mno-global-merge">, Group<m_Group>, Flags<[CC1Option]>,
diff --git a/clang/lib/Driver/ToolChains/ZOS.cpp b/clang/lib/Driver/ToolChains/ZOS.cpp
index f921227076a5ed..c5100a38648580 100644
--- a/clang/lib/Driver/ToolChains/ZOS.cpp
+++ b/clang/lib/Driver/ToolChains/ZOS.cpp
@@ -11,8 +11,10 @@
#include "clang/Driver/Compilation.h"
#include "clang/Driver/Options.h"
#include "llvm/Option/ArgList.h"
+#include "llvm/Support/VirtualFileSystem.h"
using namespace clang::driver;
+using namespace clang::driver::tools;
using namespace clang::driver::toolchains;
using namespace llvm::opt;
using namespace clang;
@@ -31,3 +33,211 @@ void ZOS::addClangTargetOptions(const ArgList &DriverArgs,
options::OPT_fno_aligned_allocation))
CC1Args.push_back("-faligned-alloc-unavailable");
}
+
+void zos::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ ArgStringList CmdArgs;
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
+
+ // Specify assembler output file.
+ assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ }
+
+ // Specify assembler input file.
+ // The system assembler on z/OS takes exactly one input file. The driver is
+ // expected to invoke as(1) separately for each assembler source input file.
+ if (Inputs.size() != 1)
+ llvm_unreachable("Invalid number of input files.");
+ const InputInfo &II = Inputs[0];
+ assert((II.isFilename() || II.isNothing()) && "Invalid input.");
+ if (II.isFilename())
+ CmdArgs.push_back(II.getFilename());
+
+ const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
+ Exec, CmdArgs, Inputs));
+}
+
+static std::string getLEHLQ(const ArgList &Args) {
+ if (Args.hasArg(options::OPT_mzos_hlq_le_EQ)) {
+ Arg *LEHLQArg = Args.getLastArg(options::OPT_mzos_hlq_le_EQ);
+ StringRef HLQ = LEHLQArg->getValue();
+ if (!HLQ.empty())
+ return HLQ.str();
+ }
+ return "CEE";
+}
+
+static std::string getClangHLQ(const ArgList &Args) {
+ if (Args.hasArg(options::OPT_mzos_hlq_clang_EQ)) {
+ Arg *ClangHLQArg = Args.getLastArg(options::OPT_mzos_hlq_clang_EQ);
+ StringRef HLQ = ClangHLQArg->getValue();
+ if (!HLQ.empty())
+ return HLQ.str();
+ }
+ return getLEHLQ(Args);
+}
+
+static std::string getCSSHLQ(const ArgList &Args) {
+ if (Args.hasArg(options::OPT_mzos_hlq_csslib_EQ)) {
+ Arg *CsslibHLQArg = Args.getLastArg(options::OPT_mzos_hlq_csslib_EQ);
+ StringRef HLQ = CsslibHLQArg->getValue();
+ if (!HLQ.empty())
+ return HLQ.str();
+ }
+ return "SYS1";
+}
+
+void zos::Linker::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs, const ArgList &Args,
+ const char *LinkingOutput) const {
+ const ZOS &ToolChain = static_cast<const ZOS &>(getToolChain());
+ ArgStringList CmdArgs;
+
+ const bool IsSharedLib =
+ Args.hasFlag(options::OPT_shared, options::OPT_static, false);
+
+ assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
+ if (Output.isFilename()) {
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ }
+
+ SmallString<128> LinkerOptions;
+ LinkerOptions = "AMODE=";
+ LinkerOptions += "64";
+ LinkerOptions += ",LIST";
+ LinkerOptions += ",DYNAM=DLL";
+ LinkerOptions += ",MSGLEVEL=4";
+ LinkerOptions += ",CASE=MIXED";
+ LinkerOptions += ",REUS=RENT";
+
+ CmdArgs.push_back("-b");
+ CmdArgs.push_back(Args.MakeArgString(LinkerOptions));
+
+ if (!IsSharedLib) {
+ CmdArgs.push_back("-e");
+ CmdArgs.push_back("CELQSTRT");
+
+ CmdArgs.push_back("-O");
+ CmdArgs.push_back("CELQSTRT");
+
+ CmdArgs.push_back("-u");
+ CmdArgs.push_back("CELQMAIN");
+ }
+
+ // Generate side file if -shared option is present.
+ if (IsSharedLib) {
+ StringRef OutputName = Output.getFilename();
+ // Strip away the last file suffix in presence from output name and add
+ // a new .x suffix.
+ size_t Suffix = OutputName.find_last_of(".");
+ const char *SideDeckName =
+ Args.MakeArgString(OutputName.substr(0, Suffix) + ".x");
+ CmdArgs.push_back("-x");
+ CmdArgs.push_back(SideDeckName);
+ } else {
+ // We need to direct side file to /dev/null to suppress linker warning when
+ // the object file contains exported symbols, and -shared or
+ // -Wl,-x<sidedeck>.x is not specified.
+ CmdArgs.push_back("-x");
+ CmdArgs.push_back("/dev/null");
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_u);
+
+ // Add archive library search paths.
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ ToolChain.AddFilePathLibArgs(Args, CmdArgs);
+
+ // Specify linker input file(s)
+ AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
+
+ // z/OS tool chain depends on LE data sets and the CSSLIB data set.
+ // These data sets can have
diff erent high level qualifiers (HLQs)
+ // as each installation can define them
diff erently.
+
+ std::string LEHLQ = getLEHLQ(Args);
+ std::string CsslibHLQ = getCSSHLQ(Args);
+
+ StringRef ld_env_var = StringRef(getenv("_LD_SYSLIB")).trim();
+ if (ld_env_var.empty()) {
+ CmdArgs.push_back("-S");
+ CmdArgs.push_back(Args.MakeArgString("//'" + LEHLQ + ".SCEEBND2'"));
+ CmdArgs.push_back("-S");
+ CmdArgs.push_back(Args.MakeArgString("//'" + CsslibHLQ + ".CSSLIB'"));
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
+ ld_env_var = StringRef(getenv("_LD_SIDE_DECKS")).trim();
+ if (ld_env_var.empty()) {
+ CmdArgs.push_back(
+ Args.MakeArgString("//'" + LEHLQ + ".SCEELIB(CELQS001)'"));
+ CmdArgs.push_back(
+ Args.MakeArgString("//'" + LEHLQ + ".SCEELIB(CELQS003)'"));
+ } else {
+ char *ld_side_deck = strdup(ld_env_var.str().c_str());
+ ld_side_deck = strtok(ld_side_deck, ":");
+ while (ld_side_deck != nullptr) {
+ CmdArgs.push_back(ld_side_deck);
+ ld_side_deck = strtok(nullptr, ":");
+ }
+ }
+ }
+ // Link libc++ library
+ if (ToolChain.ShouldLinkCXXStdlib(Args)) {
+ ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+ }
+
+ // Specify compiler-rt library path for linker
+ if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs))
+ AddRunTimeLibs(ToolChain, ToolChain.getDriver(), CmdArgs, Args);
+
+ const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath());
+ C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
+ Exec, CmdArgs, Inputs));
+}
+
+ToolChain::RuntimeLibType ZOS::GetDefaultRuntimeLibType() const {
+ return ToolChain::RLT_CompilerRT;
+}
+
+ToolChain::CXXStdlibType ZOS::GetDefaultCXXStdlibType() const {
+ return ToolChain::CST_Libcxx;
+}
+
+void ZOS::AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const {
+ switch (GetCXXStdlibType(Args)) {
+ case ToolChain::CST_Libstdcxx:
+ llvm::report_fatal_error("linking libstdc++ is unimplemented on z/OS");
+ break;
+ case ToolChain::CST_Libcxx: {
+ std::string ClangHLQ = getClangHLQ(Args);
+ CmdArgs.push_back(
+ Args.MakeArgString("//'" + ClangHLQ + ".SCEELIB(CRTDQCXE)'"));
+ CmdArgs.push_back(
+ Args.MakeArgString("//'" + ClangHLQ + ".SCEELIB(CRTDQCXS)'"));
+ CmdArgs.push_back(
+ Args.MakeArgString("//'" + ClangHLQ + ".SCEELIB(CRTDQCXP)'"));
+ CmdArgs.push_back(
+ Args.MakeArgString("//'" + ClangHLQ + ".SCEELIB(CRTDQCXA)'"));
+ CmdArgs.push_back(
+ Args.MakeArgString("//'" + ClangHLQ + ".SCEELIB(CRTDQXLA)'"));
+ CmdArgs.push_back(
+ Args.MakeArgString("//'" + ClangHLQ + ".SCEELIB(CRTDQUNW)'"));
+ } break;
+ }
+}
+
+auto ZOS::buildAssembler() const -> Tool * { return new zos::Assembler(*this); }
+
+auto ZOS::buildLinker() const -> Tool * { return new zos::Linker(*this); }
diff --git a/clang/lib/Driver/ToolChains/ZOS.h b/clang/lib/Driver/ToolChains/ZOS.h
index 53138306fd4101..117a3abee50373 100644
--- a/clang/lib/Driver/ToolChains/ZOS.h
+++ b/clang/lib/Driver/ToolChains/ZOS.h
@@ -14,6 +14,39 @@
namespace clang {
namespace driver {
+namespace tools {
+
+/// zos -- Directly call system default assembler and linker.
+namespace zos {
+
+class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
+public:
+ Assembler(const ToolChain &TC) : Tool("zos::Assembler", "assembler", TC) {}
+
+ 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;
+};
+
+class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
+public:
+ Linker(const ToolChain &TC) : Tool("zos::Linker", "linker", 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;
+};
+
+} // end namespace zos
+} // end namespace tools
+
namespace toolchains {
class LLVM_LIBRARY_VISIBILITY ZOS : public ToolChain {
@@ -32,9 +65,22 @@ class LLVM_LIBRARY_VISIBILITY ZOS : public ToolChain {
unsigned GetDefaultDwarfVersion() const override { return 4; }
+ void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const override;
+
+ CXXStdlibType GetDefaultCXXStdlibType() const override;
+
+ RuntimeLibType GetDefaultRuntimeLibType() const override;
+
void addClangTargetOptions(
const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args,
Action::OffloadKind DeviceOffloadingKind) const override;
+
+ const char *getDefaultLinker() const override { return "/bin/ld"; }
+
+protected:
+ Tool *buildAssembler() const override;
+ Tool *buildLinker() const override;
};
} // end namespace toolchains
diff --git a/clang/test/Driver/zos-ld.c b/clang/test/Driver/zos-ld.c
new file mode 100644
index 00000000000000..4d4decdd0e65b3
--- /dev/null
+++ b/clang/test/Driver/zos-ld.c
@@ -0,0 +1,123 @@
+// General tests that ld invocations for z/OS are valid.
+
+// 1. General C link for executable
+// RUN: %clang -### --target=s390x-ibm-zos %s 2>&1 \
+// RUN: | FileCheck --check-prefix=C-LD %s
+
+// C-LD: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// C-LD: "AMODE=64,LIST,DYNAM=DLL,MSGLEVEL=4,CASE=MIXED,REUS=RENT"
+// C-LD-SAME: "-e" "CELQSTRT"
+// C-LD-SAME: "-O" "CELQSTRT"
+// C-LD-SAME: "-u" "CELQMAIN"
+// C-LD-SAME: "-x" "/dev/null"
+// C-LD-SAME: "-S" "//'CEE.SCEEBND2'"
+// C-LD-SAME: "-S" "//'SYS1.CSSLIB'"
+// C-LD-SAME: "//'CEE.SCEELIB(CELQS001)'"
+// C-LD-SAME: "//'CEE.SCEELIB(CELQS003)'"
+// C-LD-SAME: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}zos{{/|\\\\}}libclang_rt.builtins-s390x.a"
+
+// 2. General C link for dll
+// RUN: %clang -### --shared --target=s390x-ibm-zos %s 2>&1 \
+// RUN: | FileCheck --check-prefix=C-LD-DLL %s
+
+// C-LD-DLL: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// C-LD-DLL: "AMODE=64,LIST,DYNAM=DLL,MSGLEVEL=4,CASE=MIXED,REUS=RENT"
+// C-LD-DLL-NOT: "-e" "CELQSTRT"
+// C-LD-DLL-NOT: "-O" "CELQSTRT"
+// C-LD-DLL-NOT: "-u" "CELQMAIN"
+// C-LD-DLL-SAME: "-x" "{{.*}}.x"
+// C-LD-DLL-SAME: "-S" "//'CEE.SCEEBND2'"
+// C-LD-DLL-SAME: "-S" "//'SYS1.CSSLIB'"
+// C-LD-DLL-SAME: "//'CEE.SCEELIB(CELQS001)'"
+// C-LD-DLL-SAME: "//'CEE.SCEELIB(CELQS003)'"
+// C-LD-DLL-SAME: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}zos{{/|\\\\}}libclang_rt.builtins-s390x.a"
+
+// 3. General C++ link for executable
+// RUN: %clangxx -### --target=s390x-ibm-zos %s 2>&1 \
+// RUN: | FileCheck --check-prefix=CXX-LD %s
+
+// CXX-LD: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CXX-LD: "AMODE=64,LIST,DYNAM=DLL,MSGLEVEL=4,CASE=MIXED,REUS=RENT"
+// CXX-LD-SAME: "-e" "CELQSTRT"
+// CXX-LD-SAME: "-O" "CELQSTRT"
+// CXX-LD-SAME: "-u" "CELQMAIN"
+// CXX-LD-SAME: "-x" "/dev/null"
+// CXX-LD-SAME: "-S" "//'CEE.SCEEBND2'"
+// CXX-LD-SAME: "-S" "//'SYS1.CSSLIB'"
+// CXX-LD-SAME: "//'CEE.SCEELIB(CELQS001)'"
+// CXX-LD-SAME: "//'CEE.SCEELIB(CELQS003)'"
+// CXX-LD-SAME: "//'CEE.SCEELIB(CRTDQCXE)'"
+// CXX-LD-SAME: "//'CEE.SCEELIB(CRTDQCXS)'"
+// CXX-LD-SAME: "//'CEE.SCEELIB(CRTDQCXP)'"
+// CXX-LD-SAME: "//'CEE.SCEELIB(CRTDQCXA)'"
+// CXX-LD-SAME: "//'CEE.SCEELIB(CRTDQXLA)'"
+// CXX-LD-SAME: "//'CEE.SCEELIB(CRTDQUNW)'"
+// CXX-LD-SAME: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}zos{{/|\\\\}}libclang_rt.builtins-s390x.a"
+
+// 4. General C++ link for dll
+// RUN: %clangxx -### --shared --target=s390x-ibm-zos %s 2>&1 \
+// RUN: | FileCheck --check-prefix=CXX-LD-DLL %s
+
+// CXX-LD-DLL: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CXX-LD-DLL: "AMODE=64,LIST,DYNAM=DLL,MSGLEVEL=4,CASE=MIXED,REUS=RENT"
+// CXX-LD-DLL-NOT: "-e" "CELQSTRT"
+// CXX-LD-DLL-NOT: "-O" "CELQSTRT"
+// CXX-LD-DLL-NOT: "-u" "CELQMAIN"
+// CXX-LD-DLL-SAME: "-x" "{{.*}}.x"
+// CXX-LD-DLL-SAME: "-S" "//'CEE.SCEEBND2'"
+// CXX-LD-DLL-SAME: "-S" "//'SYS1.CSSLIB'"
+// CXX-LD-DLL-SAME: "//'CEE.SCEELIB(CELQS001)'"
+// CXX-LD-DLL-SAME: "//'CEE.SCEELIB(CELQS003)'"
+// CXX-LD-DLL-SAME: "//'CEE.SCEELIB(CRTDQCXE)'"
+// CXX-LD-DLL-SAME: "//'CEE.SCEELIB(CRTDQCXS)'"
+// CXX-LD-DLL-SAME: "//'CEE.SCEELIB(CRTDQCXP)'"
+// CXX-LD-DLL-SAME: "//'CEE.SCEELIB(CRTDQCXA)'"
+// CXX-LD-DLL-SAME: "//'CEE.SCEELIB(CRTDQXLA)'"
+// CXX-LD-DLL-SAME: "//'CEE.SCEELIB(CRTDQUNW)'"
+// CXX-LD-DLL-SAME: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}zos{{/|\\\\}}libclang_rt.builtins-s390x.a"
+
+// 5. C++ link for executable w/ -mzos-hlq-le=, -mzos-hlq-csslib=
+// RUN: %clangxx -### --target=s390x-ibm-zos %s 2>&1 \
+// RUN: -mzos-hlq-le=AAAA -mzos-hlq-csslib=BBBB \
+// RUN: | FileCheck --check-prefix=CXX-LD5 %s
+
+// CXX-LD5: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CXX-LD5: "AMODE=64,LIST,DYNAM=DLL,MSGLEVEL=4,CASE=MIXED,REUS=RENT"
+// CXX-LD5-SAME: "-e" "CELQSTRT"
+// CXX-LD5-SAME: "-O" "CELQSTRT"
+// CXX-LD5-SAME: "-u" "CELQMAIN"
+// CXX-LD5-SAME: "-x" "/dev/null"
+// CXX-LD5-SAME: "-S" "//'AAAA.SCEEBND2'"
+// CXX-LD5-SAME: "-S" "//'BBBB.CSSLIB'"
+// CXX-LD5-SAME: "//'AAAA.SCEELIB(CELQS001)'"
+// CXX-LD5-SAME: "//'AAAA.SCEELIB(CELQS003)'"
+// CXX-LD5-SAME: "//'AAAA.SCEELIB(CRTDQCXE)'"
+// CXX-LD5-SAME: "//'AAAA.SCEELIB(CRTDQCXS)'"
+// CXX-LD5-SAME: "//'AAAA.SCEELIB(CRTDQCXP)'"
+// CXX-LD5-SAME: "//'AAAA.SCEELIB(CRTDQCXA)'"
+// CXX-LD5-SAME: "//'AAAA.SCEELIB(CRTDQXLA)'"
+// CXX-LD5-SAME: "//'AAAA.SCEELIB(CRTDQUNW)'"
+// CXX-LD5-SAME: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}zos{{/|\\\\}}libclang_rt.builtins-s390x.a"
+
+// 6. C++ link for executable w/ -mzos-hlq-clang=
+// RUN: %clangxx -### --target=s390x-ibm-zos %s 2>&1 \
+// RUN: -mzos-hlq-clang=AAAA \
+// RUN: | FileCheck --check-prefix=CXX-LD6 %s
+
+// CXX-LD6: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
+// CXX-LD6: "AMODE=64,LIST,DYNAM=DLL,MSGLEVEL=4,CASE=MIXED,REUS=RENT"
+// CXX-LD6-SAME: "-e" "CELQSTRT"
+// CXX-LD6-SAME: "-O" "CELQSTRT"
+// CXX-LD6-SAME: "-u" "CELQMAIN"
+// CXX-LD6-SAME: "-x" "/dev/null"
+// CXX-LD6-SAME: "-S" "//'CEE.SCEEBND2'"
+// CXX-LD6-SAME: "-S" "//'SYS1.CSSLIB'"
+// CXX-LD6-SAME: "//'CEE.SCEELIB(CELQS001)'"
+// CXX-LD6-SAME: "//'CEE.SCEELIB(CELQS003)'"
+// CXX-LD6-SAME: "//'AAAA.SCEELIB(CRTDQCXE)'"
+// CXX-LD6-SAME: "//'AAAA.SCEELIB(CRTDQCXS)'"
+// CXX-LD6-SAME: "//'AAAA.SCEELIB(CRTDQCXP)'"
+// CXX-LD6-SAME: "//'AAAA.SCEELIB(CRTDQCXA)'"
+// CXX-LD6-SAME: "//'AAAA.SCEELIB(CRTDQXLA)'"
+// CXX-LD6-SAME: "//'AAAA.SCEELIB(CRTDQUNW)'"
+// CXX-LD6-SAME: "[[RESOURCE_DIR]]{{/|\\\\}}lib{{/|\\\\}}zos{{/|\\\\}}libclang_rt.builtins-s390x.a"
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