Revert "[XRay][darwin] Initial XRay in Darwin Support"
authorDean Michael Berris <dberris@google.com>
Fri, 10 Nov 2017 07:00:55 +0000 (07:00 +0000)
committerDean Michael Berris <dberris@google.com>
Fri, 10 Nov 2017 07:00:55 +0000 (07:00 +0000)
This reverts r317875.

llvm-svn: 317877

13 files changed:
clang/include/clang/Driver/XRayArgs.h
clang/lib/Driver/ToolChains/Darwin.cpp
clang/lib/Driver/XRayArgs.cpp
compiler-rt/cmake/config-ix.cmake
compiler-rt/lib/xray/CMakeLists.txt
compiler-rt/lib/xray/tests/CMakeLists.txt
compiler-rt/lib/xray/weak_symbols.txt [deleted file]
compiler-rt/lib/xray/xray_init.cc
compiler-rt/lib/xray/xray_trampoline_x86_64.S
compiler-rt/test/xray/TestCases/Darwin/always-never-instrument.cc [deleted file]
compiler-rt/test/xray/TestCases/Darwin/lit.local.cfg [deleted file]
compiler-rt/test/xray/TestCases/Linux/lit.local.cfg [deleted file]
compiler-rt/test/xray/lit.cfg

index 01ad6b0..83210d1 100644 (file)
@@ -30,7 +30,6 @@ public:
   XRayArgs(const ToolChain &TC, const llvm::opt::ArgList &Args);
   void addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args,
                llvm::opt::ArgStringList &CmdArgs, types::ID InputType) const;
-  bool needsXRayRt() const { return XRayInstrument; }
 };
 
 } // namespace driver
index e689d4f..39c4525 100644 (file)
@@ -18,7 +18,6 @@
 #include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/Options.h"
 #include "clang/Driver/SanitizerArgs.h"
-#include "clang/Driver/XRayArgs.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Support/Path.h"
@@ -1099,11 +1098,6 @@ void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
   if (Sanitize.needsEsanRt())
     AddLinkSanitizerLibArgs(Args, CmdArgs, "esan");
 
-  const XRayArgs& XRay = getXRayArgs();
-  if (XRay.needsXRayRt() && isTargetMacOS()) {
-    AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.xray_osx.a", RLO_AlwaysLink);
-  }
-
   // Otherwise link libSystem, then the dynamic runtime library, and finally any
   // target specific static runtime library.
   CmdArgs.push_back("-lSystem");
index f0dfb66..8d68a84 100644 (file)
@@ -51,15 +51,6 @@ XRayArgs::XRayArgs(const ToolChain &TC, const ArgList &Args) {
         D.Diag(diag::err_drv_clang_unsupported)
             << (std::string(XRayInstrumentOption) + " on " + Triple.str());
       }
-    else if (Triple.getOS() == llvm::Triple::Darwin)
-      // Experimental support for macos.
-      switch (Triple.getArch()) {
-      case llvm::Triple::x86_64:
-        break;
-      default:
-        D.Diag(diag::err_drv_clang_unsupported)
-            << (std::string(XRayInstrumentOption) + " on " + Triple.str());
-      }
     else
       D.Diag(diag::err_drv_clang_unsupported)
           << (std::string(XRayInstrumentOption) + " on non-Linux target OS");
index b8f888a..30b3081 100644 (file)
@@ -211,11 +211,7 @@ set(ALL_SAFESTACK_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM64} ${MIPS32} ${MIPS64})
 set(ALL_CFI_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${MIPS64})
 set(ALL_ESAN_SUPPORTED_ARCH ${X86_64} ${MIPS64})
 set(ALL_SCUDO_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${MIPS32} ${MIPS64})
-if(APPLE)
-set(ALL_XRAY_SUPPORTED_ARCH ${X86_64})
-else()
 set(ALL_XRAY_SUPPORTED_ARCH ${X86_64} ${ARM32} ${ARM64} ${MIPS32} ${MIPS64} powerpc64le)
-endif()
 
 if(APPLE)
   include(CompilerRTDarwinUtils)
@@ -260,7 +256,6 @@ if(APPLE)
   set(SANITIZER_COMMON_SUPPORTED_OS osx)
   set(PROFILE_SUPPORTED_OS osx)
   set(TSAN_SUPPORTED_OS osx)
-  set(XRAY_SUPPORTED_OS osx)
   if(NOT SANITIZER_MIN_OSX_VERSION)
     string(REGEX MATCH "-mmacosx-version-min=([.0-9]+)"
            MACOSX_VERSION_MIN_FLAG "${CMAKE_CXX_FLAGS}")
@@ -417,12 +412,12 @@ if(APPLE)
   list_intersect(SCUDO_SUPPORTED_ARCH
     ALL_SCUDO_SUPPORTED_ARCH
     SANITIZER_COMMON_SUPPORTED_ARCH)
-  list_intersect(FUZZER_SUPPORTED_ARCH
-    ALL_FUZZER_SUPPORTED_ARCH
-    ALL_SANITIZER_COMMON_SUPPORTED_ARCH)
   list_intersect(XRAY_SUPPORTED_ARCH
     ALL_XRAY_SUPPORTED_ARCH
     SANITIZER_COMMON_SUPPORTED_ARCH)
+  list_intersect(FUZZER_SUPPORTED_ARCH
+    ALL_FUZZER_SUPPORTED_ARCH
+    ALL_SANITIZER_COMMON_SUPPORTED_ARCH)
 
 else()
   # Architectures supported by compiler-rt libraries.
@@ -585,7 +580,7 @@ else()
 endif()
 
 if (COMPILER_RT_HAS_SANITIZER_COMMON AND XRAY_SUPPORTED_ARCH AND
-    OS_NAME MATCHES "Darwin|Linux")
+    OS_NAME MATCHES "Linux")
   set(COMPILER_RT_HAS_XRAY TRUE)
 else()
   set(COMPILER_RT_HAS_XRAY FALSE)
index 101be97..6d24ba8 100644 (file)
@@ -65,53 +65,19 @@ append_list_if(
 append_list_if(
   COMPILER_RT_BUILD_XRAY_NO_PREINIT XRAY_NO_PREINIT XRAY_COMMON_DEFINITIONS)
 
+add_compiler_rt_object_libraries(RTXray
+  ARCHS ${XRAY_SUPPORTED_ARCH}
+  SOURCES ${XRAY_SOURCES} CFLAGS ${XRAY_CFLAGS}
+  DEFS ${XRAY_COMMON_DEFINITIONS})
+
 add_compiler_rt_component(xray)
 
 set(XRAY_COMMON_RUNTIME_OBJECT_LIBS
-    RTXray
     RTSanitizerCommon
     RTSanitizerCommonLibc)
 
-if (APPLE)
-  set(XRAY_LINK_LIBS ${SANITIZER_COMMON_LINK_LIBS})
-  set(XRAY_ASM_SOURCES xray_trampoline_x86_64.S)
-
-  if (${CMAKE_GENERATOR} STREQUAL "Xcode")
-    enable_language(ASM)
-  else()
-    set_source_files_properties(${XRAY_ASM_SOURCES} PROPERTIES LANGUAGE C)
-  endif()
-
-  add_weak_symbols("sanitizer_common" WEAK_SYMBOL_LINK_FLAGS)
-  add_weak_symbols("xray" WEAK_SYMBOL_LINK_FLAGS)
-
-  add_compiler_rt_object_libraries(RTXray
-    OS ${XRAY_SUPPORTED_OS}
-    ARCHS ${XRAY_SUPPORTED_ARCH}
-    SOURCES ${x86_64_SOURCES}
-    CFLAGS ${XRAY_CFLAGS}
-    DEFS ${XRAY_COMMON_DEFINITIONS})
-
-  # We only support running on osx for now.
-  add_compiler_rt_runtime(clang_rt.xray
-    STATIC
-    OS ${XRAY_SUPPORTED_OS}
-    ARCHS ${XRAY_SUPPORTED_ARCH}
-    OBJECT_LIBS RTXray
-                RTSanitizerCommon
-                RTSanitizerCommonLibc
-    CFLAGS ${XRAY_CFLAGS}
-    DEFS ${XRAY_COMMON_DEFINITIONS}
-    LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS} ${WEAK_SYMBOL_LINK_FLAGS}
-    LINK_LIBS ${XRAY_LINK_LIBS}
-    PARENT_TARGET xray)
-else()
 foreach(arch ${XRAY_SUPPORTED_ARCH})
   if(CAN_TARGET_${arch})
-    add_compiler_rt_object_libraries(RTXray
-      ARCHS ${XRAY_SUPPORTED_ARCH}
-      SOURCES ${XRAY_SOURCES} CFLAGS ${XRAY_CFLAGS}
-      DEFS ${XRAY_COMMON_DEFINITIONS})
     add_compiler_rt_runtime(clang_rt.xray
      STATIC
      ARCHS ${arch}
@@ -122,7 +88,6 @@ foreach(arch ${XRAY_SUPPORTED_ARCH})
      PARENT_TARGET xray)
   endif()
 endforeach()
-endif()
 
 if(COMPILER_RT_INCLUDE_TESTS)
   add_subdirectory(tests)
index e2640b4..e54e63f 100644 (file)
@@ -12,50 +12,21 @@ set(XRAY_UNITTEST_CFLAGS
   -I${COMPILER_RT_SOURCE_DIR}/lib)
 
 set(XRAY_TEST_ARCH ${XRAY_SUPPORTED_ARCH})
-set(XRAY_LINK_FLAGS)
-append_list_if(COMPILER_RT_HAS_LIBRT -lrt XRAY_LINK_FLAGS)
-append_list_if(COMPILER_RT_HAS_LIBM -lm XRAY_LINK_FLAGS)
-append_list_if(COMPILER_RT_HAS_LIBPTHREAD -lpthread XRAY_LINK_FLAGS)
-
-if (APPLE)
-  list(APPEND XRAY_LINK_FLAGS -lc++)
-  list(APPEND XRAY_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
-  set(XRAY_TEST_RUNTIME_OBJECTS
-    $<TARGET_OBJECTS:RTSanitizerCommon.osx>
-    $<TARGET_OBJECTS:RTSanitizerCommonLibc.osx>
-    $<TARGET_OBJECTS:RTXray.osx>)
-  set(XRAY_TEST_RUNTIME RTXRayTest)
-  add_library(${XRAY_TEST_RUNTIME} STATIC ${XRAY_TEST_RUNTIME_OBJECTS})
-  set_target_properties(${XRAY_TEST_RUNTIME} PROPERTIES
-    ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-    FOLDER "Compiler-RT Runtime tests")
-
-  darwin_filter_host_archs(XRAY_SUPPORTED_ARCH XRAY_TEST_ARCH)
-  list(APPEND XRAY_UNITTEST_CFLAGS ${DARWIN_osx_CFLAGS})
-  list(APPEND XRAY_LINK_FLAGS "-lc++")
-  list(APPEND XRAY_LINK_FLAGS "-fxray-instrument")
-  add_weak_symbols("sanitizer_common" XRAY_LINK_FLAGS)
-  add_weak_symbols("xray" XRAY_LINK_FLAGS)
-else()
-  append_list_if(COMPILER_RT_HAS_LIBSTDCXX lstdc++ XRAY_LINK_FLAGS)
-endif()
-
 macro(add_xray_unittest testname)
   cmake_parse_arguments(TEST "" "" "SOURCES;HEADERS" ${ARGN})
-  if(UNIX)
+  if(UNIX AND NOT APPLE)
     foreach(arch ${XRAY_TEST_ARCH})
       set(TEST_OBJECTS)
       generate_compiler_rt_tests(TEST_OBJECTS
         XRayUnitTests "${testname}-${arch}-Test" "${arch}"
         SOURCES ${TEST_SOURCES} ${COMPILER_RT_GTEST_SOURCE}
-        RUNTIME ${XRAY_TEST_RUNTIME}
-        COMPILE_DEPS ${TEST_HEADERS}
         DEPS gtest xray llvm-xray
         CFLAGS ${XRAY_UNITTEST_CFLAGS}
         LINK_FLAGS -fxray-instrument
           ${TARGET_LINK_FLAGS}
-          ${CMAKE_THREAD_LIBS_INIT}
-          ${XRAY_LINK_FLAGS})
+          -lstdc++ -lm ${CMAKE_THREAD_LIBS_INIT}
+          -lpthread
+          -ldl -lrt)
       set_target_properties(XRayUnitTests PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
     endforeach()
   endif()
diff --git a/compiler-rt/lib/xray/weak_symbols.txt b/compiler-rt/lib/xray/weak_symbols.txt
deleted file mode 100644 (file)
index 963fff2..0000000
+++ /dev/null
@@ -1,4 +0,0 @@
-___start_xray_fn_idx
-___start_xray_instr_map
-___stop_xray_fn_idx
-___stop_xray_instr_map
index 864e779..07f6924 100644 (file)
@@ -88,8 +88,7 @@ void __xray_init() XRAY_NEVER_INSTRUMENT {
 #endif
 }
 
-// Only add the preinit array initialization if the sanitizers can.
-#if !defined(XRAY_NO_PREINIT) && SANITIZER_CAN_USE_PREINIT_ARRAY
+#ifndef XRAY_NO_PREINIT
 __attribute__((section(".preinit_array"),
                used)) void (*__local_xray_preinit)(void) = __xray_init;
 #endif
index bf8ca75..ffbfb5c 100644 (file)
 //===----------------------------------------------------------------------===//
 
 #include "../builtins/assembly.h"
-#include "../sanitizer_common/sanitizer_asm.h"
-
-
 
 .macro SAVE_REGISTERS
        subq $192, %rsp
-       CFI_DEF_CFA_OFFSET(200)
+       .cfi_def_cfa_offset 200
        // At this point, the stack pointer should be aligned to an 8-byte boundary,
        // because any call instructions that come after this will add another 8
        // bytes and therefore align it to 16-bytes.
        movq    8(%rsp), %r8
        movq    0(%rsp), %r9
        addq    $192, %rsp
-       CFI_DEF_CFA_OFFSET(8)
+       .cfi_def_cfa_offset 8
 .endm
 
-#if !defined(__APPLE__)
-       .section .text
-#else
-       .section __TEXT,__text
-#endif
+       .text
        .file "xray_trampoline_x86.S"
 
 //===----------------------------------------------------------------------===//
 
-       .globl ASM_TSAN_SYMBOL(__xray_FunctionEntry)
+       .globl __xray_FunctionEntry
        .align 16, 0x90
-       ASM_TYPE_FUNCTION(__xray_FunctionEntry)
-ASM_TSAN_SYMBOL(__xray_FunctionEntry):
-       CFI_STARTPROC
+       .type __xray_FunctionEntry,@function
+
+__xray_FunctionEntry:
+       .cfi_startproc
        SAVE_REGISTERS
 
        // This load has to be atomic, it's concurrent with __xray_patch().
        // On x86/amd64, a simple (type-aligned) MOV instruction is enough.
-       movq    ASM_TSAN_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)(%rip), %rax
+       movq    _ZN6__xray19XRayPatchedFunctionE(%rip), %rax
        testq   %rax, %rax
        je      .Ltmp0
 
@@ -92,27 +86,28 @@ ASM_TSAN_SYMBOL(__xray_FunctionEntry):
 .Ltmp0:
        RESTORE_REGISTERS
        retq
-       ASM_SIZE(__xray_FunctionEntry)
-       CFI_ENDPROC
+.Ltmp1:
+       .size __xray_FunctionEntry, .Ltmp1-__xray_FunctionEntry
+       .cfi_endproc
 
 //===----------------------------------------------------------------------===//
 
-       .globl ASM_TSAN_SYMBOL(__xray_FunctionExit)
+       .globl __xray_FunctionExit
        .align 16, 0x90
-       ASM_TYPE_FUNCTION(__xray_FunctionExit)
-ASM_TSAN_SYMBOL(__xray_FunctionExit):
-       CFI_STARTPROC
+       .type __xray_FunctionExit,@function
+__xray_FunctionExit:
+       .cfi_startproc
        // Save the important registers first. Since we're assuming that this
        // function is only jumped into, we only preserve the registers for
        // returning.
        subq    $56, %rsp
-       CFI_DEF_CFA_OFFSET(64)
+       .cfi_def_cfa_offset 64
        movq  %rbp, 48(%rsp)
        movupd  %xmm0, 32(%rsp)
        movupd  %xmm1, 16(%rsp)
        movq    %rax, 8(%rsp)
        movq    %rdx, 0(%rsp)
-       movq    ASM_TSAN_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)(%rip), %rax
+       movq    _ZN6__xray19XRayPatchedFunctionE(%rip), %rax
        testq %rax,%rax
        je      .Ltmp2
 
@@ -127,21 +122,22 @@ ASM_TSAN_SYMBOL(__xray_FunctionExit):
        movq    8(%rsp), %rax
        movq    0(%rsp), %rdx
        addq    $56, %rsp
-       CFI_DEF_CFA_OFFSET(8)
+       .cfi_def_cfa_offset 8
        retq
-       ASM_SIZE(__xray_FunctionExit)
-       CFI_ENDPROC
+.Ltmp3:
+       .size __xray_FunctionExit, .Ltmp3-__xray_FunctionExit
+       .cfi_endproc
 
 //===----------------------------------------------------------------------===//
 
-       .globl ASM_TSAN_SYMBOL(__xray_FunctionTailExit)
+       .global __xray_FunctionTailExit
        .align 16, 0x90
-       ASM_TYPE_FUNCTION(__xray_FunctionTailExit)
-ASM_TSAN_SYMBOL(__xray_FunctionTailExit):
-       CFI_STARTPROC
+       .type __xray_FunctionTailExit,@function
+__xray_FunctionTailExit:
+       .cfi_startproc
        SAVE_REGISTERS
 
-       movq    ASM_TSAN_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)(%rip), %rax
+       movq    _ZN6__xray19XRayPatchedFunctionE(%rip), %rax
        testq %rax,%rax
        je      .Ltmp4
 
@@ -152,25 +148,26 @@ ASM_TSAN_SYMBOL(__xray_FunctionTailExit):
 .Ltmp4:
        RESTORE_REGISTERS
        retq
-       ASM_SIZE(__xray_FunctionTailExit)
-       CFI_ENDPROC
+.Ltmp5:
+       .size __xray_FunctionTailExit, .Ltmp5-__xray_FunctionTailExit
+       .cfi_endproc
 
 //===----------------------------------------------------------------------===//
 
-       .globl ASM_TSAN_SYMBOL(__xray_ArgLoggerEntry)
+       .globl __xray_ArgLoggerEntry
        .align 16, 0x90
-       ASM_TYPE_FUNCTION(__xray_ArgLoggerEntry)
-ASM_TSAN_SYMBOL(__xray_ArgLoggerEntry):
-       CFI_STARTPROC
+       .type __xray_ArgLoggerEntry,@function
+__xray_ArgLoggerEntry:
+       .cfi_startproc
        SAVE_REGISTERS
 
        // Again, these function pointer loads must be atomic; MOV is fine.
-       movq    ASM_TSAN_SYMBOL(_ZN6__xray13XRayArgLoggerE)(%rip), %rax
+       movq    _ZN6__xray13XRayArgLoggerE(%rip), %rax
        testq   %rax, %rax
        jne     .Larg1entryLog
 
        // If [arg1 logging handler] not set, defer to no-arg logging.
-       movq    ASM_TSAN_SYMBOL(_ZN6__xray19XRayPatchedFunctionE)(%rip), %rax
+       movq    _ZN6__xray19XRayPatchedFunctionE(%rip), %rax
        testq   %rax, %rax
        je      .Larg1entryFail
 
@@ -189,22 +186,24 @@ ASM_TSAN_SYMBOL(__xray_ArgLoggerEntry):
 .Larg1entryFail:
        RESTORE_REGISTERS
        retq
-       ASM_SIZE(__xray_ArgLoggerEntry)
-       CFI_ENDPROC
+
+.Larg1entryEnd:
+       .size __xray_ArgLoggerEntry, .Larg1entryEnd-__xray_ArgLoggerEntry
+       .cfi_endproc
 
 //===----------------------------------------------------------------------===//
 
-       .global ASM_TSAN_SYMBOL(__xray_CustomEvent)
+       .global __xray_CustomEvent
        .align 16, 0x90
-       ASM_TYPE_FUNCTION(__xray_CustomEvent)
-ASM_TSAN_SYMBOL(__xray_CustomEvent):
-       CFI_STARTPROC
+       .type __xray_CustomEvent,@function
+__xray_CustomEvent:
+  .cfi_startproc
        SAVE_REGISTERS
 
        // We take two arguments to this trampoline, which should be in rdi     and rsi
        // already. We also make sure that we stash %rax because we use that register
        // to call the logging handler.
-       movq ASM_TSAN_SYMBOL(_ZN6__xray22XRayPatchedCustomEventE)(%rip), %rax
+       movq _ZN6__xray22XRayPatchedCustomEventE(%rip), %rax
        testq %rax,%rax
        je .LcustomEventCleanup
 
@@ -224,7 +223,9 @@ ASM_TSAN_SYMBOL(__xray_CustomEvent):
 .LcustomEventCleanup:
        RESTORE_REGISTERS
        retq
-       ASM_SIZE(__xray_CustomEvent)
-       CFI_ENDPROC
+
+.Ltmp8:
+       .size __xray_CustomEvent, .Ltmp8-__xray_CustomEvent
+       .cfi_endproc
 
 NO_EXEC_STACK_DIRECTIVE
diff --git a/compiler-rt/test/xray/TestCases/Darwin/always-never-instrument.cc b/compiler-rt/test/xray/TestCases/Darwin/always-never-instrument.cc
deleted file mode 100644 (file)
index 4e19685..0000000
+++ /dev/null
@@ -1,23 +0,0 @@
-// Test that the always/never instrument lists apply.
-// RUN: echo "fun:main" > %tmp-always.txt
-// RUN: echo "fun:__xray*" > %tmp-never.txt
-// RUN: %clangxx_xray \
-// RUN:     -fxray-never-instrument=%tmp-never.txt \
-// RUN:     -fxray-always-instrument=%tmp-always.txt \
-// RUN:     %s -o %t
-// RUN: %llvm_xray extract -symbolize %t | \
-// RUN:    FileCheck %s --check-prefix NOINSTR
-// RUN: %llvm_xray extract -symbolize %t | \
-// RUN:    FileCheck %s --check-prefix ALWAYSINSTR
-// REQUIRES: x86_64-linux
-// REQUIRES: built-in-llvm-tree
-
-// NOINSTR-NOT: {{.*__xray_NeverInstrumented.*}}
-int __xray_NeverInstrumented() {
-  return 0;
-}
-
-// ALWAYSINSTR: {{.*function-name:.*main.*}}
-int main(int argc, char *argv[]) {
-  return __xray_NeverInstrumented();
-}
diff --git a/compiler-rt/test/xray/TestCases/Darwin/lit.local.cfg b/compiler-rt/test/xray/TestCases/Darwin/lit.local.cfg
deleted file mode 100644 (file)
index a85dfcd..0000000
+++ /dev/null
@@ -1,9 +0,0 @@
-def getRoot(config):
-  if not config.parent:
-    return config
-  return getRoot(config.parent)
-
-root = getRoot(config)
-
-if root.host_os not in ['Darwin']:
-  config.unsupported = True
diff --git a/compiler-rt/test/xray/TestCases/Linux/lit.local.cfg b/compiler-rt/test/xray/TestCases/Linux/lit.local.cfg
deleted file mode 100644 (file)
index 57271b8..0000000
+++ /dev/null
@@ -1,9 +0,0 @@
-def getRoot(config):
-  if not config.parent:
-    return config
-  return getRoot(config.parent)
-
-root = getRoot(config)
-
-if root.host_os not in ['Linux']:
-  config.unsupported = True
index c6bea52..d5e4097 100644 (file)
@@ -40,7 +40,7 @@ config.substitutions.append(
 # Default test suffixes.
 config.suffixes = ['.c', '.cc', '.cpp']
 
-if config.host_os not in ['Linux', 'Darwin']:
+if config.host_os not in ['Linux']:
   config.unsupported = True
 elif '64' not in config.host_arch:
   if 'arm' in config.host_arch: