diff options
Diffstat (limited to 'nixpkgs/pkgs/development/compilers/llvm/8/compiler-rt/crtbegin-and-end.patch')
| -rw-r--r-- | nixpkgs/pkgs/development/compilers/llvm/8/compiler-rt/crtbegin-and-end.patch | 595 |
1 files changed, 595 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/8/compiler-rt/crtbegin-and-end.patch b/nixpkgs/pkgs/development/compilers/llvm/8/compiler-rt/crtbegin-and-end.patch new file mode 100644 index 000000000000..e63be181f95c --- /dev/null +++ b/nixpkgs/pkgs/development/compilers/llvm/8/compiler-rt/crtbegin-and-end.patch @@ -0,0 +1,595 @@ +Get crtbegin and crtend without compiler GCC! PR is at https://reviews.llvm.org/D28791 + +Index: compiler-rt/CMakeLists.txt +=================================================================== +--- compiler-rt/CMakeLists.txt ++++ compiler-rt/CMakeLists.txt +@@ -29,6 +29,8 @@ + + option(COMPILER_RT_BUILD_BUILTINS "Build builtins" ON) + mark_as_advanced(COMPILER_RT_BUILD_BUILTINS) ++option(COMPILER_RT_BUILD_CRT "Build crtbegin.o/crtend.o" ON) ++mark_as_advanced(COMPILER_RT_BUILD_CRT) + option(COMPILER_RT_BUILD_SANITIZERS "Build sanitizers" ON) + mark_as_advanced(COMPILER_RT_BUILD_SANITIZERS) + option(COMPILER_RT_BUILD_XRAY "Build xray" ON) +Index: compiler-rt/cmake/Modules/AddCompilerRT.cmake +=================================================================== +--- compiler-rt/cmake/Modules/AddCompilerRT.cmake ++++ compiler-rt/cmake/Modules/AddCompilerRT.cmake +@@ -132,7 +132,7 @@ + # Adds static or shared runtime for a list of architectures and operating + # systems and puts it in the proper directory in the build and install trees. + # add_compiler_rt_runtime(<name> +-# {STATIC|SHARED} ++# {OBJECT|STATIC|SHARED} + # ARCHS <architectures> + # OS <os list> + # SOURCES <source files> +@@ -144,8 +144,8 @@ + # PARENT_TARGET <convenience parent target> + # ADDITIONAL_HEADERS <header files>) + function(add_compiler_rt_runtime name type) +- if(NOT type MATCHES "^(STATIC|SHARED)$") +- message(FATAL_ERROR "type argument must be STATIC or SHARED") ++ if(NOT type MATCHES "^(OBJECT|STATIC|SHARED)$") ++ message(FATAL_ERROR "type argument must be OBJECT, STATIC or SHARED") + return() + endif() + cmake_parse_arguments(LIB +@@ -204,7 +204,10 @@ + message(FATAL_ERROR "Architecture ${arch} can't be targeted") + return() + endif() +- if(type STREQUAL "STATIC") ++ if(type STREQUAL "OBJECT") ++ set(libname "${name}-${arch}") ++ set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX}) ++ elseif(type STREQUAL "STATIC") + set(libname "${name}-${arch}") + set_output_name(output_name_${libname} ${name} ${arch}) + else() +@@ -270,12 +273,34 @@ + set(COMPONENT_OPTION COMPONENT ${libname}) + endif() + +- add_library(${libname} ${type} ${sources_${libname}}) +- set_target_compile_flags(${libname} ${extra_cflags_${libname}}) +- set_target_link_flags(${libname} ${extra_link_flags_${libname}}) +- set_property(TARGET ${libname} APPEND PROPERTY +- COMPILE_DEFINITIONS ${LIB_DEFS}) +- set_target_output_directories(${libname} ${output_dir_${libname}}) ++ if(type STREQUAL "OBJECT") ++ string(TOUPPER ${CMAKE_BUILD_TYPE} config) ++ get_property(cflags SOURCE ${sources_${libname}} PROPERTY COMPILE_FLAGS) ++ separate_arguments(cflags) ++ add_custom_command( ++ OUTPUT ${output_dir_${libname}}/${libname}.o ++ COMMAND ${CMAKE_C_COMPILER} ${sources_${libname}} ${cflags} ${extra_cflags_${libname}} -c -o ${output_dir_${libname}}/${libname}.o ++ DEPENDS ${sources_${libname}} ++ COMMENT "Building C object ${libname}.o") ++ add_custom_target(${libname} DEPENDS ${output_dir_${libname}}/${libname}.o) ++ install(FILES ${output_dir_${libname}}/${libname}.o ++ DESTINATION ${install_dir_${libname}} ++ ${COMPONENT_OPTION}) ++ else() ++ add_library(${libname} ${type} ${sources_${libname}}) ++ set_target_compile_flags(${libname} ${extra_cflags_${libname}}) ++ set_target_link_flags(${libname} ${extra_link_flags_${libname}}) ++ set_property(TARGET ${libname} APPEND PROPERTY ++ COMPILE_DEFINITIONS ${LIB_DEFS}) ++ set_target_output_directories(${libname} ${output_dir_${libname}}) ++ install(TARGETS ${libname} ++ ARCHIVE DESTINATION ${install_dir_${libname}} ++ ${COMPONENT_OPTION} ++ LIBRARY DESTINATION ${install_dir_${libname}} ++ ${COMPONENT_OPTION} ++ RUNTIME DESTINATION ${install_dir_${libname}} ++ ${COMPONENT_OPTION}) ++ endif() + set_target_properties(${libname} PROPERTIES + OUTPUT_NAME ${output_name_${libname}}) + set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime") +@@ -299,13 +324,6 @@ + ) + endif() + endif() +- install(TARGETS ${libname} +- ARCHIVE DESTINATION ${install_dir_${libname}} +- ${COMPONENT_OPTION} +- LIBRARY DESTINATION ${install_dir_${libname}} +- ${COMPONENT_OPTION} +- RUNTIME DESTINATION ${install_dir_${libname}} +- ${COMPONENT_OPTION}) + + # We only want to generate per-library install targets if you aren't using + # an IDE because the extra targets get cluttered in IDEs. +Index: compiler-rt/cmake/config-ix.cmake +=================================================================== +--- compiler-rt/cmake/config-ix.cmake ++++ compiler-rt/cmake/config-ix.cmake +@@ -227,6 +227,7 @@ + ${ARM32} ${ARM64} ${MIPS32} ${MIPS64} ${S390X}) + set(ALL_ASAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} + ${MIPS32} ${MIPS64} ${PPC64} ${S390X}) ++set(ALL_CRT_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}) + set(ALL_DFSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64}) + set(ALL_FUZZER_SUPPORTED_ARCH ${X86_64} ${ARM64}) + +@@ -474,6 +475,7 @@ + SANITIZER_COMMON_SUPPORTED_ARCH) + + else() ++ filter_available_targets(CRT_SUPPORTED_ARCH ${ALL_CRT_SUPPORTED_ARCH}) + # Architectures supported by compiler-rt libraries. + filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH + ${ALL_SANITIZER_COMMON_SUPPORTED_ARCH}) +@@ -563,6 +565,12 @@ + + # TODO: Add builtins support. + ++if (CRT_SUPPORTED_ARCH AND OS_NAME MATCHES "Linux") ++ set(COMPILER_RT_HAS_CRT TRUE) ++else() ++ set(COMPILER_RT_HAS_CRT FALSE) ++endif() ++ + if (COMPILER_RT_HAS_SANITIZER_COMMON AND DFSAN_SUPPORTED_ARCH AND + OS_NAME MATCHES "Linux") + set(COMPILER_RT_HAS_DFSAN TRUE) +Index: compiler-rt/lib/CMakeLists.txt +=================================================================== +--- compiler-rt/lib/CMakeLists.txt ++++ compiler-rt/lib/CMakeLists.txt +@@ -17,6 +17,10 @@ + add_subdirectory(builtins) + endif() + ++if(COMPILER_RT_BUILD_CRT) ++ add_subdirectory(crt) ++endif() ++ + function(compiler_rt_build_runtime runtime) + string(TOUPPER ${runtime} runtime_uppercase) + if(COMPILER_RT_HAS_${runtime_uppercase}) +Index: compiler-rt/lib/crt/CMakeLists.txt +=================================================================== +--- /dev/null ++++ compiler-rt/lib/crt/CMakeLists.txt +@@ -0,0 +1,102 @@ ++add_compiler_rt_component(crt) ++ ++function(check_cxx_section_exists section output) ++ cmake_parse_arguments(ARG "" "" "SOURCE;FLAGS" ${ARGN}) ++ if(NOT ARG_SOURCE) ++ set(ARG_SOURCE "int main() { return 0; }\n") ++ endif() ++ ++ string(RANDOM TARGET_NAME) ++ set(TARGET_NAME "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cmTC_${TARGET_NAME}.dir") ++ file(MAKE_DIRECTORY ${TARGET_NAME}) ++ ++ file(WRITE "${TARGET_NAME}/CheckSectionExists.c" "${ARG_SOURCE}\n") ++ ++ string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions ++ ${CMAKE_C_COMPILE_OBJECT}) ++ ++ set(try_compile_flags "${ARG_FLAGS}") ++ if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET) ++ list(APPEND try_compile_flags "-target ${CMAKE_C_COMPILER_TARGET}") ++ endif() ++ ++ string(REPLACE ";" " " extra_flags "${try_compile_flags}") ++ ++ set(test_compile_command "${CMAKE_C_COMPILE_OBJECT}") ++ foreach(substitution ${substitutions}) ++ if(substitution STREQUAL "<CMAKE_C_COMPILER>") ++ string(REPLACE "<CMAKE_C_COMPILER>" ++ "${CMAKE_C_COMPILER}" test_compile_command ${test_compile_command}) ++ elseif(substitution STREQUAL "<OBJECT>") ++ string(REPLACE "<OBJECT>" "${TARGET_NAME}/CheckSectionExists.o" ++ test_compile_command ${test_compile_command}) ++ elseif(substitution STREQUAL "<SOURCE>") ++ string(REPLACE "<SOURCE>" "${TARGET_NAME}/CheckSectionExists.c" ++ test_compile_command ${test_compile_command}) ++ elseif(substitution STREQUAL "<FLAGS>") ++ string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_flags}" ++ test_compile_command ${test_compile_command}) ++ else() ++ string(REPLACE "${substitution}" "" test_compile_command ++ ${test_compile_command}) ++ endif() ++ endforeach() ++ ++ string(REPLACE " " ";" test_compile_command "${test_compile_command}") ++ ++ execute_process( ++ COMMAND ${test_compile_command} ++ RESULT_VARIABLE TEST_RESULT ++ OUTPUT_VARIABLE TEST_OUTPUT ++ ERROR_VARIABLE TEST_ERROR ++ ) ++ ++ execute_process( ++ COMMAND ${CMAKE_OBJDUMP} -h "${TARGET_NAME}/CheckSectionExists.o" ++ RESULT_VARIABLE CHECK_RESULT ++ OUTPUT_VARIABLE CHECK_OUTPUT ++ ERROR_VARIABLE CHECK_ERROR ++ ) ++ string(FIND "${CHECK_OUTPUT}" "${section}" SECTION_FOUND) ++ ++ if(NOT SECTION_FOUND EQUAL -1) ++ set(${output} TRUE PARENT_SCOPE) ++ else() ++ set(${output} FALSE PARENT_SCOPE) ++ endif() ++ ++ file(REMOVE_RECURSE ${TARGET_NAME}) ++endfunction() ++ ++check_cxx_section_exists(".init_array" COMPILER_RT_HAS_INITFINI_ARRAY ++ SOURCE "__attribute__((constructor)) void f() {}\nint main() { return 0; }\n") ++ ++append_list_if(COMPILER_RT_HAS_INITFINI_ARRAY -DCRT_HAS_INITFINI_ARRAY CRT_CFLAGS) ++append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC CRT_CFLAGS) ++ ++foreach(arch ${CRT_SUPPORTED_ARCH}) ++ add_compiler_rt_runtime(clang_rt.crtbegin ++ OBJECT ++ ARCHS ${arch} ++ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtbegin.c ++ CFLAGS ${CRT_CFLAGS} ++ PARENT_TARGET crt) ++ add_compiler_rt_runtime(clang_rt.crtbegin_shared ++ OBJECT ++ ARCHS ${arch} ++ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtbegin.c ++ CFLAGS ${CRT_CFLAGS} -DCRT_SHARED ++ PARENT_TARGET crt) ++ add_compiler_rt_runtime(clang_rt.crtend ++ OBJECT ++ ARCHS ${arch} ++ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c ++ CFLAGS ${CRT_CFLAGS} ++ PARENT_TARGET crt) ++ add_compiler_rt_runtime(clang_rt.crtend_shared ++ OBJECT ++ ARCHS ${arch} ++ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c ++ CFLAGS ${CRT_CFLAGS} -DCRT_SHARED ++ PARENT_TARGET crt) ++endforeach() +Index: compiler-rt/lib/crt/crtbegin.c +=================================================================== +--- /dev/null ++++ compiler-rt/lib/crt/crtbegin.c +@@ -0,0 +1,108 @@ ++/* ===-- crtbegin.c - Start of constructors and destructors ----------------=== ++ * ++ * The LLVM Compiler Infrastructure ++ * ++ * This file is dual licensed under the MIT and the University of Illinois Open ++ * Source Licenses. See LICENSE.TXT for details. ++ * ++ * ===----------------------------------------------------------------------=== ++ */ ++ ++#include <stddef.h> ++ ++__attribute__((visibility("hidden"))) ++#ifdef CRT_SHARED ++void *__dso_handle = &__dso_handle; ++#else ++void *__dso_handle = (void *)0; ++#endif ++ ++static long __EH_FRAME_LIST__[] ++ __attribute__((section(".eh_frame"), aligned(sizeof(void *)))) = {}; ++ ++extern void __register_frame_info(const void *, void *) __attribute__((weak)); ++extern void *__deregister_frame_info(const void *) __attribute__((weak)); ++ ++#ifndef CRT_HAS_INITFINI_ARRAY ++typedef void (*fp)(void); ++ ++static fp __CTOR_LIST__[] ++ __attribute__((section(".ctors"), aligned(sizeof(fp)), used)) = {(fp)-1}; ++extern fp __CTOR_LIST_END__[]; ++#endif ++ ++#ifdef CRT_SHARED ++extern void __cxa_finalize(void *) __attribute__((weak)); ++#endif ++ ++static void __attribute__((used)) __do_init() { ++ static _Bool __initialized; ++ if (__builtin_expect(__initialized, 0)) ++ return; ++ __initialized = 1; ++ ++ static struct { void *p[8]; } __object; ++ if (__register_frame_info) ++ __register_frame_info(__EH_FRAME_LIST__, &__object); ++ ++#ifndef CRT_HAS_INITFINI_ARRAY ++ const size_t n = __CTOR_LIST_END__ - __CTOR_LIST__ - 1; ++ for (size_t i = n; i >= 1; i--) __CTOR_LIST__[i](); ++#endif ++} ++ ++#ifdef CRT_HAS_INITFINI_ARRAY ++__attribute__((section(".init_array"), ++ used)) static void (*__init)(void) = __do_init; ++#else // CRT_HAS_INITFINI_ARRAY ++#if defined(__i386__) || defined(__x86_64__) ++asm(".pushsection .init,\"ax\",@progbits\n\t" ++ "call " __USER_LABEL_PREFIX__ "__do_init\n\t" ++ ".popsection"); ++#elif defined(__arm__) ++asm(".pushsection .init,\"ax\",%progbits\n\t" ++ "bl " __USER_LABEL_PREFIX__ "__do_init\n\t" ++ ".popsection"); ++#endif // CRT_HAS_INITFINI_ARRAY ++#endif ++ ++#ifndef CRT_HAS_INITFINI_ARRAY ++static fp __DTOR_LIST__[] ++ __attribute__((section(".dtors"), aligned(sizeof(fp)), used)) = {(fp)-1}; ++extern fp __DTOR_LIST_END__[]; ++#endif ++ ++static void __attribute__((used)) __do_fini() { ++ static _Bool __finalized; ++ if (__builtin_expect(__finalized, 0)) ++ return; ++ __finalized = 1; ++ ++#ifdef CRT_SHARED ++ if (__cxa_finalize) ++ __cxa_finalize(__dso_handle); ++#endif ++ ++#ifndef CRT_HAS_INITFINI_ARRAY ++ if (__deregister_frame_info) ++ __deregister_frame_info(__EH_FRAME_LIST__); ++ ++ const size_t n = __DTOR_LIST_END__ - __DTOR_LIST__ - 1; ++ for (size_t i = 1; i < n; i++) __DTOR_LIST__[i](); ++#endif ++} ++ ++#ifdef CRT_HAS_INITFINI_ARRAY ++__attribute__((section(".fini_array"), ++ used)) static void (*__fini)(void) = __do_fini; ++#else // CRT_HAS_INITFINI_ARRAY ++#if defined(__i386__) || defined(__x86_64__) ++asm(".pushsection .fini,\"ax\",@progbits\n\t" ++ "call " __USER_LABEL_PREFIX__ "__do_fini\n\t" ++ ".popsection"); ++#elif defined(__arm__) ++asm(".pushsection .fini,\"ax\",%progbits\n\t" ++ "bl " __USER_LABEL_PREFIX__ "__do_fini\n\t" ++ ".popsection"); ++#endif ++#endif // CRT_HAS_INIT_FINI_ARRAY +Index: compiler-rt/lib/crt/crtend.c +=================================================================== +--- /dev/null ++++ compiler-rt/lib/crt/crtend.c +@@ -0,0 +1,24 @@ ++/* ===-- crtend.c - End of constructors and destructors --------------------=== ++ * ++ * The LLVM Compiler Infrastructure ++ * ++ * This file is dual licensed under the MIT and the University of Illinois Open ++ * Source Licenses. See LICENSE.TXT for details. ++ * ++ * ===----------------------------------------------------------------------=== ++ */ ++ ++#include <stdint.h> ++ ++// Put 4-byte zero which is the length field in FDE at the end as a terminator. ++const int32_t __EH_FRAME_LIST_END__[] ++ __attribute__((section(".eh_frame"), aligned(sizeof(int32_t)), ++ visibility("hidden"), used)) = {0}; ++ ++#ifndef CRT_HAS_INITFINI_ARRAY ++typedef void (*fp)(void); ++fp __CTOR_LIST_END__[] ++ __attribute__((section(".ctors"), visibility("hidden"), used)) = {0}; ++fp __DTOR_LIST_END__[] ++ __attribute__((section(".dtors"), visibility("hidden"), used)) = {0}; ++#endif +Index: compiler-rt/test/CMakeLists.txt +=================================================================== +--- compiler-rt/test/CMakeLists.txt ++++ compiler-rt/test/CMakeLists.txt +@@ -73,6 +73,9 @@ + if(COMPILER_RT_BUILD_XRAY) + compiler_rt_test_runtime(xray) + endif() ++ if(COMPILER_RT_HAS_CRT) ++ add_subdirectory(crt) ++ endif() + # ShadowCallStack does not yet provide a runtime with compiler-rt, the tests + # include their own minimal runtime + add_subdirectory(shadowcallstack) +Index: compiler-rt/test/crt/CMakeLists.txt +=================================================================== +--- /dev/null ++++ compiler-rt/test/crt/CMakeLists.txt +@@ -0,0 +1,31 @@ ++set(CRT_LIT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) ++ ++set(CRT_TESTSUITES) ++ ++set(CRT_TEST_DEPS "") ++ ++if(NOT COMPILER_RT_STANDALONE_BUILD AND COMPILER_RT_BUILD_CRT AND ++ COMPILER_RT_HAS_CRT) ++ list(APPEND CRT_TEST_DEPS crt) ++endif() ++ ++set(CRT_TEST_ARCH ${CRT_SUPPORTED_ARCH}) ++if (COMPILER_RT_BUILD_CRT AND COMPILER_RT_HAS_CRT) ++ foreach(arch ${CRT_TEST_ARCH}) ++ set(CRT_TEST_TARGET_ARCH ${arch}) ++ string(TOLOWER "-${arch}-${OS_NAME}" CRT_TEST_CONFIG_SUFFIX) ++ get_test_cc_for_arch(${arch} CRT_TEST_TARGET_CC CRT_TEST_TARGET_CFLAGS) ++ string(TOUPPER ${arch} ARCH_UPPER_CASE) ++ set(CONFIG_NAME ${ARCH_UPPER_CASE}${OS_NAME}Config) ++ ++ configure_lit_site_cfg( ++ ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in ++ ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg) ++ list(APPEND CRT_TESTSUITES ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}) ++ endforeach() ++endif() ++ ++add_lit_testsuite(check-crt "Running the CRT tests" ++ ${CRT_TESTSUITES} ++ DEPENDS ${CRT_TEST_DEPS}) ++set_target_properties(check-crt PROPERTIES FOLDER "Compiler-RT Misc") +Index: compiler-rt/test/crt/dso_handle.cpp +=================================================================== +--- /dev/null ++++ compiler-rt/test/crt/dso_handle.cpp +@@ -0,0 +1,33 @@ ++// RUN: %clangxx -g -DCRT_SHARED -c %s -fPIC -o %tshared.o ++// RUN: %clangxx -g -c %s -fPIC -o %t.o ++// RUN: %clangxx -g -shared -o %t.so -nostdlib %crti %shared_crtbegin %tshared.o %libstdcxx -lc -lm -lgcc_s %shared_crtend %crtn ++// RUN: %clangxx -g -o %t -nostdlib %crt1 %crti %crtbegin %t.o %libstdcxx -lc -lm %libgcc %t.so %crtend %crtn ++// RUN: %run %t 2>&1 | FileCheck %s ++ ++#include <stdio.h> ++ ++// CHECK: 1 ++// CHECK-NEXT: ~A() ++ ++#ifdef CRT_SHARED ++bool G; ++void C() { ++ printf("%d\n", G); ++} ++ ++struct A { ++ A() { G = true; } ++ ~A() { ++ printf("~A()\n"); ++ } ++}; ++ ++A a; ++#else ++void C(); ++ ++int main() { ++ C(); ++ return 0; ++} ++#endif +Index: compiler-rt/test/crt/lit.cfg +=================================================================== +--- /dev/null ++++ compiler-rt/test/crt/lit.cfg +@@ -0,0 +1,80 @@ ++# -*- Python -*- ++ ++import os ++import subprocess ++ ++# Setup config name. ++config.name = 'CRT' + config.name_suffix ++ ++# Setup source root. ++config.test_source_root = os.path.dirname(__file__) ++ ++ ++def get_library_path(file): ++ cmd = subprocess.Popen([config.clang.strip(), ++ config.target_cflags.strip(), ++ '-print-file-name=%s' % file], ++ stdout=subprocess.PIPE, ++ env=config.environment) ++ if not cmd.stdout: ++ lit_config.fatal("Couldn't find the library path for '%s'" % file) ++ dir = cmd.stdout.read().strip() ++ if sys.platform in ['win32'] and execute_external: ++ # Don't pass dosish path separator to msys bash.exe. ++ dir = dir.replace('\\', '/') ++ # Ensure the result is an ascii string, across Python2.5+ - Python3. ++ return str(dir.decode('ascii')) ++ ++ ++def get_libgcc_file_name(): ++ cmd = subprocess.Popen([config.clang.strip(), ++ config.target_cflags.strip(), ++ '-print-libgcc-file-name'], ++ stdout=subprocess.PIPE, ++ env=config.environment) ++ if not cmd.stdout: ++ lit_config.fatal("Couldn't find the library path for '%s'" % file) ++ dir = cmd.stdout.read().strip() ++ if sys.platform in ['win32'] and execute_external: ++ # Don't pass dosish path separator to msys bash.exe. ++ dir = dir.replace('\\', '/') ++ # Ensure the result is an ascii string, across Python2.5+ - Python3. ++ return str(dir.decode('ascii')) ++ ++ ++def build_invocation(compile_flags): ++ return ' ' + ' '.join([config.clang] + compile_flags) + ' ' ++ ++ ++# Setup substitutions. ++config.substitutions.append( ++ ('%clang ', build_invocation([config.target_cflags]))) ++config.substitutions.append( ++ ('%clangxx ', ++ build_invocation(config.cxx_mode_flags + [config.target_cflags]))) ++ ++base_lib = os.path.join( ++ config.compiler_rt_libdir, "clang_rt.%%s-%s.o" % config.target_arch) ++config.substitutions.append(('%crtbegin', base_lib % "crtbegin")) ++config.substitutions.append(('%shared_crtbegin', base_lib % "crtbegin_shared")) ++config.substitutions.append(('%crtend', base_lib % "crtend")) ++config.substitutions.append(('%shared_crtend', base_lib % "crtend_shared")) ++ ++config.substitutions.append( ++ ('%crt1', get_library_path('crt1.o'))) ++config.substitutions.append( ++ ('%crti', get_library_path('crti.o'))) ++config.substitutions.append( ++ ('%crtn', get_library_path('crtn.o'))) ++ ++config.substitutions.append( ++ ('%libgcc', get_libgcc_file_name())) ++ ++config.substitutions.append( ++ ('%libstdcxx', '-l' + config.sanitizer_cxx_lib.lstrip('lib'))) ++ ++# Default test suffixes. ++config.suffixes = ['.c', '.cc', '.cpp'] ++ ++if config.host_os not in ['Linux']: ++ config.unsupported = True +Index: compiler-rt/test/crt/lit.site.cfg.in +=================================================================== +--- /dev/null ++++ compiler-rt/test/crt/lit.site.cfg.in +@@ -0,0 +1,14 @@ ++@LIT_SITE_CFG_IN_HEADER@ ++ ++# Tool-specific config options. ++config.name_suffix = "@CRT_TEST_CONFIG_SUFFIX@" ++config.crt_lit_source_dir = "@CRT_LIT_SOURCE_DIR@" ++config.target_cflags = "@CRT_TEST_TARGET_CFLAGS@" ++config.target_arch = "@CRT_TEST_TARGET_ARCH@" ++config.sanitizer_cxx_lib = "@SANITIZER_TEST_CXX_LIBNAME@" ++ ++# Load common config for all compiler-rt lit tests ++lit_config.load_config(config, "@COMPILER_RT_BINARY_DIR@/test/lit.common.configured") ++ ++# Load tool-specific config that would do the real work. ++lit_config.load_config(config, "@CRT_LIT_SOURCE_DIR@/lit.cfg") |