myhsu created this revision.
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Add new toolchain and driver options for the M680x0 target
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D88394
Files:
clang/include/clang/Driver/Options.td
clang/lib/Driver/CMakeLists.txt
clang/lib/Driver/ToolChains/Arch/M680x0.cpp
clang/lib/Driver/ToolChains/Arch/M680x0.h
clang/lib/Driver/ToolChains/Clang.cpp
clang/lib/Driver/ToolChains/CommonArgs.cpp
clang/lib/Driver/ToolChains/Gnu.cpp
clang/lib/Driver/ToolChains/Linux.cpp
clang/test/Driver/m680x0-features.cpp
clang/test/Driver/m680x0-sub-archs.cpp
Index: clang/test/Driver/m680x0-sub-archs.cpp
===================================================================
--- /dev/null
+++ clang/test/Driver/m680x0-sub-archs.cpp
@@ -0,0 +1,23 @@
+// RUN: %clang -### -target m680x0-unknown-linux -mcpu=68000 %s 2>&1 | FileCheck --check-prefix=CHECK-MX00 %s
+// RUN: %clang -### -target m680x0-unknown-linux -m68000 %s 2>&1 | FileCheck --check-prefix=CHECK-MX00 %s
+// CHECK-MX00: "-target-cpu" "68000"
+
+// RUN: %clang -### -target m680x0-unknown-linux -mcpu=68010 %s 2>&1 | FileCheck --check-prefix=CHECK-MX10 %s
+// RUN: %clang -### -target m680x0-unknown-linux -m68010 %s 2>&1 | FileCheck --check-prefix=CHECK-MX10 %s
+// CHECK-MX10: "-target-cpu" "68010"
+
+// RUN: %clang -### -target m680x0-unknown-linux -mcpu=68020 %s 2>&1 | FileCheck --check-prefix=CHECK-MX20 %s
+// RUN: %clang -### -target m680x0-unknown-linux -m68020 %s 2>&1 | FileCheck --check-prefix=CHECK-MX20 %s
+// CHECK-MX20: "-target-cpu" "68020"
+
+// RUN: %clang -### -target m680x0-unknown-linux -mcpu=68030 %s 2>&1 | FileCheck --check-prefix=CHECK-MX30 %s
+// RUN: %clang -### -target m680x0-unknown-linux -m68030 %s 2>&1 | FileCheck --check-prefix=CHECK-MX30 %s
+// CHECK-MX30: "-target-cpu" "68030"
+
+// RUN: %clang -### -target m680x0-unknown-linux -mcpu=68040 %s 2>&1 | FileCheck --check-prefix=CHECK-MX40 %s
+// RUN: %clang -### -target m680x0-unknown-linux -m68040 %s 2>&1 | FileCheck --check-prefix=CHECK-MX40 %s
+// CHECK-MX40: "-target-cpu" "68040"
+
+// RUN: %clang -### -target m680x0-unknown-linux -mcpu=68060 %s 2>&1 | FileCheck --check-prefix=CHECK-MX60 %s
+// RUN: %clang -### -target m680x0-unknown-linux -m68060 %s 2>&1 | FileCheck --check-prefix=CHECK-MX60 %s
+// CHECK-MX60: "-target-cpu" "68060"
Index: clang/test/Driver/m680x0-features.cpp
===================================================================
--- /dev/null
+++ clang/test/Driver/m680x0-features.cpp
@@ -0,0 +1,45 @@
+// Check macro definitions
+// RUN: %clang -target m680x0-unknown-linux -m68000 -dM -E %s | FileCheck --check-prefix=CHECK-MX %s
+// CHECK-MX: #define __mc68000 1
+// CHECK-MX: #define __mc68000__ 1
+// CHECK-MX: #define mc68000 1
+
+// RUN: %clang -target m680x0-unknown-linux -m68010 -dM -E %s | FileCheck --check-prefix=CHECK-MX10 %s
+// CHECK-MX10: #define __mc68000 1
+// CHECK-MX10: #define __mc68000__ 1
+// CHECK-MX10: #define __mc68010 1
+// CHECK-MX10: #define __mc68010__ 1
+// CHECK-MX10: #define mc68000 1
+// CHECK-MX10: #define mc68010 1
+
+// RUN: %clang -target m680x0-unknown-linux -m68020 -dM -E %s | FileCheck --check-prefix=CHECK-MX20 %s
+// CHECK-MX20: #define __mc68000 1
+// CHECK-MX20: #define __mc68000__ 1
+// CHECK-MX20: #define __mc68020 1
+// CHECK-MX20: #define __mc68020__ 1
+// CHECK-MX20: #define mc68000 1
+// CHECK-MX20: #define mc68020 1
+
+// RUN: %clang -target m680x0-unknown-linux -m68030 -dM -E %s | FileCheck --check-prefix=CHECK-MX30 %s
+// CHECK-MX30: #define __mc68000 1
+// CHECK-MX30: #define __mc68000__ 1
+// CHECK-MX30: #define __mc68030 1
+// CHECK-MX30: #define __mc68030__ 1
+// CHECK-MX30: #define mc68000 1
+// CHECK-MX30: #define mc68030 1
+
+// RUN: %clang -target m680x0-unknown-linux -m68040 -dM -E %s | FileCheck --check-prefix=CHECK-MX40 %s
+// CHECK-MX40: #define __mc68000 1
+// CHECK-MX40: #define __mc68000__ 1
+// CHECK-MX40: #define __mc68040 1
+// CHECK-MX40: #define __mc68040__ 1
+// CHECK-MX40: #define mc68000 1
+// CHECK-MX40: #define mc68040 1
+
+// RUN: %clang -target m680x0-unknown-linux -m68060 -dM -E %s | FileCheck --check-prefix=CHECK-MX60 %s
+// CHECK-MX60: #define __mc68000 1
+// CHECK-MX60: #define __mc68000__ 1
+// CHECK-MX60: #define __mc68060 1
+// CHECK-MX60: #define __mc68060__ 1
+// CHECK-MX60: #define mc68000 1
+// CHECK-MX60: #define mc68060 1
Index: clang/lib/Driver/ToolChains/Linux.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Linux.cpp
+++ clang/lib/Driver/ToolChains/Linux.cpp
@@ -102,6 +102,12 @@
if (D.getVFS().exists(SysRoot + "/lib/aarch64_be-linux-gnu"))
return "aarch64_be-linux-gnu";
break;
+
+ case llvm::Triple::m680x0:
+ if (D.getVFS().exists(SysRoot + "/lib/m68k-linux-gnu"))
+ return "m68k-linux-gnu";
+ break;
+
case llvm::Triple::mips: {
std::string MT = IsMipsR6 ? "mipsisa32r6-linux-gnu" : "mips-linux-gnu";
if (D.getVFS().exists(SysRoot + "/lib/" + MT))
@@ -472,6 +478,10 @@
Loader = HF ? "ld-linux-armhf.so.3" : "ld-linux.so.3";
break;
}
+ case llvm::Triple::m680x0:
+ LibDir = "lib";
+ Loader = "ld.so.1";
+ break;
case llvm::Triple::mips:
case llvm::Triple::mipsel:
case llvm::Triple::mips64:
@@ -616,6 +626,8 @@
"/usr/include/armeb-linux-gnueabi"};
const StringRef ARMEBHFMultiarchIncludeDirs[] = {
"/usr/include/armeb-linux-gnueabihf"};
+ const StringRef M680x0MultiarchIncludeDirs[] = {
+ "/usr/include/m68k-linux-gnu"};
const StringRef MIPSMultiarchIncludeDirs[] = {"/usr/include/mips-linux-gnu"};
const StringRef MIPSELMultiarchIncludeDirs[] = {
"/usr/include/mipsel-linux-gnu"};
@@ -678,6 +690,9 @@
else
MultiarchIncludeDirs = ARMEBMultiarchIncludeDirs;
break;
+ case llvm::Triple::m680x0:
+ MultiarchIncludeDirs = M680x0MultiarchIncludeDirs;
+ break;
case llvm::Triple::mips:
if (getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
MultiarchIncludeDirs = MIPSR6MultiarchIncludeDirs;
Index: clang/lib/Driver/ToolChains/Gnu.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Gnu.cpp
+++ clang/lib/Driver/ToolChains/Gnu.cpp
@@ -252,6 +252,8 @@
case llvm::Triple::armeb:
case llvm::Triple::thumbeb:
return isArmBigEndian(T, Args) ? "armelfb_linux_eabi" : "armelf_linux_eabi";
+ case llvm::Triple::m680x0:
+ return "m68kelf";
case llvm::Triple::ppc:
return "elf32ppclinux";
case llvm::Triple::ppc64:
@@ -2082,6 +2084,10 @@
"i686-linux-android", "i386-gnu", "i486-gnu",
"i586-gnu", "i686-gnu"};
+ static const char *const M680x0LibDirs[] = {"/lib"};
+ static const char *const M680x0Triples[] = {
+ "m68k-linux-gnu", "m68k-unknown-linux-gnu", "m68k-suse-linux"};
+
static const char *const MIPSLibDirs[] = {"/lib"};
static const char *const MIPSTriples[] = {
"mips-linux-gnu", "mips-mti-linux", "mips-mti-linux-gnu",
@@ -2315,6 +2321,10 @@
BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
}
break;
+ case llvm::Triple::m680x0:
+ LibDirs.append(begin(M680x0LibDirs), end(M680x0LibDirs));
+ TripleAliases.append(begin(M680x0Triples), end(M680x0Triples));
+ break;
case llvm::Triple::mips:
LibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs));
TripleAliases.append(begin(MIPSTriples), end(MIPSTriples));
Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -10,6 +10,7 @@
#include "Arch/AArch64.h"
#include "Arch/ARM.h"
#include "Arch/Mips.h"
+#include "Arch/M680x0.h"
#include "Arch/PPC.h"
#include "Arch/SystemZ.h"
#include "Arch/VE.h"
@@ -292,6 +293,9 @@
return arm::getARMTargetCPU(MCPU, MArch, T);
}
+ case llvm::Triple::m680x0:
+ return m680x0::getM680x0TargetCPU(Args);
+
case llvm::Triple::avr:
if (const Arg *A = Args.getLastArg(options::OPT_mmcu_EQ))
return A->getValue();
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -11,6 +11,7 @@
#include "Arch/AArch64.h"
#include "Arch/ARM.h"
#include "Arch/Mips.h"
+#include "Arch/M680x0.h"
#include "Arch/PPC.h"
#include "Arch/RISCV.h"
#include "Arch/Sparc.h"
@@ -373,6 +374,10 @@
break;
case llvm::Triple::ve:
ve::getVETargetFeatures(D, Args, Features);
+ break;
+ case llvm::Triple::m680x0:
+ m680x0::getM680x0TargetFeatures(D, Triple, Args, Features);
+ break;
}
for (auto Feature : unifyTargetFeatures(Features)) {
Index: clang/lib/Driver/ToolChains/Arch/M680x0.h
===================================================================
--- /dev/null
+++ clang/lib/Driver/ToolChains/Arch/M680x0.h
@@ -0,0 +1,43 @@
+//===--- M680x0.h - M680x0-specific Tool Helpers ----------------------*- 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_ARCH_M680X0_H
+#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_M680X0_H
+
+#include "clang/Driver/Driver.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Option/Option.h"
+#include <string>
+#include <vector>
+
+namespace clang {
+namespace driver {
+namespace tools {
+namespace m680x0 {
+
+enum class FloatABI {
+ Invalid,
+ Soft,
+ Hard,
+};
+
+FloatABI getM680x0FloatABI(const Driver &D, const llvm::opt::ArgList &Args);
+
+std::string getM680x0TargetCPU(const llvm::opt::ArgList &Args);
+const char *getM680x0AsmModeForCPU(StringRef Name);
+
+void getM680x0TargetFeatures(const Driver &D, const llvm::Triple &Triple,
+ const llvm::opt::ArgList &Args,
+ std::vector<llvm::StringRef> &Features);
+
+} // end namespace m680x0
+} // end namespace target
+} // end namespace driver
+} // end namespace clang
+
+#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_M680X0_H
Index: clang/lib/Driver/ToolChains/Arch/M680x0.cpp
===================================================================
--- /dev/null
+++ clang/lib/Driver/ToolChains/Arch/M680x0.cpp
@@ -0,0 +1,102 @@
+//===--- M680x0.cpp - M680x0 Helpers for Tools ------------------------*- 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 "M680x0.h"
+#include "ToolChains/CommonArgs.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Options.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Support/Host.h"
+
+using namespace clang::driver;
+using namespace clang::driver::tools;
+using namespace clang;
+using namespace llvm::opt;
+
+/// getM680x0TargetCPU - Get the (LLVM) name of the 68000 cpu we are targeting.
+std::string m680x0::getM680x0TargetCPU(const ArgList &Args) {
+ if (Arg *A = Args.getLastArg(clang::driver::options::OPT_mcpu_EQ)) {
+ StringRef CPUName = A->getValue();
+
+ if (CPUName == "native") {
+ std::string CPU = std::string(llvm::sys::getHostCPUName());
+ if (!CPU.empty() && CPU != "generic")
+ return CPU;
+ else
+ return "";
+ }
+
+ return llvm::StringSwitch<const char *>(CPUName)
+ .Case("common", "generic")
+ .Case("68000", "68000")
+ .Case("68010", "68010")
+ .Case("68020", "68020")
+ .Case("68030", "68030")
+ .Case("68040", "68040")
+ .Case("68060", "68060")
+ .Default("");
+ }
+ // FIXME: Throw error when multiple sub-architecture flag exist
+ else if(Args.hasArg(clang::driver::options::OPT_m68000)) {
+ return "68000";
+ } else if(Args.hasArg(clang::driver::options::OPT_m68010)) {
+ return "68010";
+ } else if(Args.hasArg(clang::driver::options::OPT_m68020)) {
+ return "68020";
+ } else if(Args.hasArg(clang::driver::options::OPT_m68030)) {
+ return "68030";
+ } else if(Args.hasArg(clang::driver::options::OPT_m68040)) {
+ return "68040";
+ } else if(Args.hasArg(clang::driver::options::OPT_m68060)) {
+ return "68060";
+ }
+
+ return "";
+}
+
+const char *m680x0::getM680x0AsmModeForCPU(StringRef Name) {
+ return llvm::StringSwitch<const char *>(Name)
+ .Case("68000", "-m68000")
+ .Case("68010", "-m68010")
+ .Case("68020", "-m68020")
+ .Case("68030", "-m68030")
+ .Case("68040", "-m68040")
+ .Case("68060", "-m68060")
+ .Default("-many");
+}
+
+void m680x0::getM680x0TargetFeatures(const Driver &D, const llvm::Triple &Triple,
+ const ArgList &Args,
+ std::vector<StringRef> &Features) {
+
+ m680x0::FloatABI FloatABI = m680x0::getM680x0FloatABI(D, Args);
+ if (FloatABI == m680x0::FloatABI::Soft)
+ Features.push_back("-hard-float");
+
+}
+
+m680x0::FloatABI m680x0::getM680x0FloatABI(const Driver &D, const ArgList &Args) {
+ m680x0::FloatABI ABI = m680x0::FloatABI::Invalid;
+ if (Arg *A =
+ Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float)) {
+
+ if (A->getOption().matches(options::OPT_msoft_float))
+ ABI = m680x0::FloatABI::Soft;
+ else if (A->getOption().matches(options::OPT_mhard_float))
+ ABI = m680x0::FloatABI::Hard;
+ }
+
+ // If unspecified, choose the default based on the platform.
+ if (ABI == m680x0::FloatABI::Invalid) {
+ ABI = m680x0::FloatABI::Hard;
+ }
+
+ return ABI;
+}
Index: clang/lib/Driver/CMakeLists.txt
===================================================================
--- clang/lib/Driver/CMakeLists.txt
+++ clang/lib/Driver/CMakeLists.txt
@@ -26,6 +26,7 @@
ToolChain.cpp
ToolChains/Arch/AArch64.cpp
ToolChains/Arch/ARM.cpp
+ ToolChains/Arch/M680x0.cpp
ToolChains/Arch/Mips.cpp
ToolChains/Arch/PPC.cpp
ToolChains/Arch/RISCV.cpp
Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -151,6 +151,8 @@
Group<m_Group>, DocName<"Hexagon">;
def m_mips_Features_Group : OptionGroup<"<mips features group>">,
Group<m_Group>, DocName<"MIPS">;
+def m_m680x0_Features_Group: OptionGroup<"<m680x0 features group>">,
+ Group<m_Group>, DocName<"M680x0">;
def m_ppc_Features_Group : OptionGroup<"<ppc features group>">,
Group<m_Group>, DocName<"PowerPC">;
def m_wasm_Features_Group : OptionGroup<"<wasm features group>">,
@@ -3118,6 +3120,9 @@
def mno_nvs : Flag<["-"], "mno-nvs">, Group<m_hexagon_Features_Group>,
Flags<[CC1Option]>, HelpText<"Disable generation of new-value stores">;
+// M680x0 features flags
+foreach i = {0-4,6} in
+ def m680#i#0 : Flag<["-"], "m680"#i#"0">, Group<m_m680x0_Features_Group>;
// X86 feature flags
def mx87 : Flag<["-"], "mx87">, Group<m_x86_Features_Group>;
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