mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-14 16:46:09 +00:00
596 lines
21 KiB
Diff
596 lines
21 KiB
Diff
Get crtbegin and crtend without compiler GCC! PR is at https://reviews.llvm.org/D28791
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Index: compiler-rt/CMakeLists.txt
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===================================================================
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--- compiler-rt/CMakeLists.txt
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+++ compiler-rt/CMakeLists.txt
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@@ -29,6 +29,8 @@
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option(COMPILER_RT_BUILD_BUILTINS "Build builtins" ON)
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mark_as_advanced(COMPILER_RT_BUILD_BUILTINS)
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+option(COMPILER_RT_BUILD_CRT "Build crtbegin.o/crtend.o" ON)
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+mark_as_advanced(COMPILER_RT_BUILD_CRT)
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option(COMPILER_RT_BUILD_SANITIZERS "Build sanitizers" ON)
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mark_as_advanced(COMPILER_RT_BUILD_SANITIZERS)
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option(COMPILER_RT_BUILD_XRAY "Build xray" ON)
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Index: compiler-rt/cmake/Modules/AddCompilerRT.cmake
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===================================================================
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--- compiler-rt/cmake/Modules/AddCompilerRT.cmake
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+++ compiler-rt/cmake/Modules/AddCompilerRT.cmake
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@@ -132,7 +132,7 @@
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# Adds static or shared runtime for a list of architectures and operating
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# systems and puts it in the proper directory in the build and install trees.
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# add_compiler_rt_runtime(<name>
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-# {STATIC|SHARED}
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+# {OBJECT|STATIC|SHARED}
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# ARCHS <architectures>
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# OS <os list>
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# SOURCES <source files>
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@@ -144,8 +144,8 @@
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# PARENT_TARGET <convenience parent target>
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# ADDITIONAL_HEADERS <header files>)
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function(add_compiler_rt_runtime name type)
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- if(NOT type MATCHES "^(STATIC|SHARED)$")
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- message(FATAL_ERROR "type argument must be STATIC or SHARED")
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+ if(NOT type MATCHES "^(OBJECT|STATIC|SHARED)$")
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+ message(FATAL_ERROR "type argument must be OBJECT, STATIC or SHARED")
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return()
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endif()
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cmake_parse_arguments(LIB
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@@ -204,7 +204,10 @@
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message(FATAL_ERROR "Architecture ${arch} can't be targeted")
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return()
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endif()
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- if(type STREQUAL "STATIC")
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+ if(type STREQUAL "OBJECT")
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+ set(libname "${name}-${arch}")
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+ set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX})
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+ elseif(type STREQUAL "STATIC")
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set(libname "${name}-${arch}")
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set_output_name(output_name_${libname} ${name} ${arch})
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else()
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@@ -270,12 +273,34 @@
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set(COMPONENT_OPTION COMPONENT ${libname})
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endif()
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- add_library(${libname} ${type} ${sources_${libname}})
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- set_target_compile_flags(${libname} ${extra_cflags_${libname}})
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- set_target_link_flags(${libname} ${extra_link_flags_${libname}})
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- set_property(TARGET ${libname} APPEND PROPERTY
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- COMPILE_DEFINITIONS ${LIB_DEFS})
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- set_target_output_directories(${libname} ${output_dir_${libname}})
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+ if(type STREQUAL "OBJECT")
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+ string(TOUPPER ${CMAKE_BUILD_TYPE} config)
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+ get_property(cflags SOURCE ${sources_${libname}} PROPERTY COMPILE_FLAGS)
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+ separate_arguments(cflags)
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+ add_custom_command(
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+ OUTPUT ${output_dir_${libname}}/${libname}.o
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+ COMMAND ${CMAKE_C_COMPILER} ${sources_${libname}} ${cflags} ${extra_cflags_${libname}} -c -o ${output_dir_${libname}}/${libname}.o
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+ DEPENDS ${sources_${libname}}
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+ COMMENT "Building C object ${libname}.o")
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+ add_custom_target(${libname} DEPENDS ${output_dir_${libname}}/${libname}.o)
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+ install(FILES ${output_dir_${libname}}/${libname}.o
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+ DESTINATION ${install_dir_${libname}}
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+ ${COMPONENT_OPTION})
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+ else()
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+ add_library(${libname} ${type} ${sources_${libname}})
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+ set_target_compile_flags(${libname} ${extra_cflags_${libname}})
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+ set_target_link_flags(${libname} ${extra_link_flags_${libname}})
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+ set_property(TARGET ${libname} APPEND PROPERTY
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+ COMPILE_DEFINITIONS ${LIB_DEFS})
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+ set_target_output_directories(${libname} ${output_dir_${libname}})
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+ install(TARGETS ${libname}
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+ ARCHIVE DESTINATION ${install_dir_${libname}}
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+ ${COMPONENT_OPTION}
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+ LIBRARY DESTINATION ${install_dir_${libname}}
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+ ${COMPONENT_OPTION}
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+ RUNTIME DESTINATION ${install_dir_${libname}}
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+ ${COMPONENT_OPTION})
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+ endif()
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set_target_properties(${libname} PROPERTIES
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OUTPUT_NAME ${output_name_${libname}})
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set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime")
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@@ -299,13 +324,6 @@
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)
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endif()
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endif()
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- install(TARGETS ${libname}
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- ARCHIVE DESTINATION ${install_dir_${libname}}
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- ${COMPONENT_OPTION}
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- LIBRARY DESTINATION ${install_dir_${libname}}
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- ${COMPONENT_OPTION}
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- RUNTIME DESTINATION ${install_dir_${libname}}
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- ${COMPONENT_OPTION})
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# We only want to generate per-library install targets if you aren't using
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# an IDE because the extra targets get cluttered in IDEs.
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Index: compiler-rt/cmake/config-ix.cmake
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===================================================================
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--- compiler-rt/cmake/config-ix.cmake
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+++ compiler-rt/cmake/config-ix.cmake
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@@ -227,6 +227,7 @@
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${ARM32} ${ARM64} ${MIPS32} ${MIPS64} ${S390X})
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set(ALL_ASAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}
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${MIPS32} ${MIPS64} ${PPC64} ${S390X})
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+set(ALL_CRT_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64})
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set(ALL_DFSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64})
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set(ALL_FUZZER_SUPPORTED_ARCH ${X86_64} ${ARM64})
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@@ -474,6 +475,7 @@
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SANITIZER_COMMON_SUPPORTED_ARCH)
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else()
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+ filter_available_targets(CRT_SUPPORTED_ARCH ${ALL_CRT_SUPPORTED_ARCH})
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# Architectures supported by compiler-rt libraries.
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filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH
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${ALL_SANITIZER_COMMON_SUPPORTED_ARCH})
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@@ -563,6 +565,12 @@
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# TODO: Add builtins support.
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+if (CRT_SUPPORTED_ARCH AND OS_NAME MATCHES "Linux")
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+ set(COMPILER_RT_HAS_CRT TRUE)
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+else()
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+ set(COMPILER_RT_HAS_CRT FALSE)
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+endif()
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+
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if (COMPILER_RT_HAS_SANITIZER_COMMON AND DFSAN_SUPPORTED_ARCH AND
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OS_NAME MATCHES "Linux")
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set(COMPILER_RT_HAS_DFSAN TRUE)
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Index: compiler-rt/lib/CMakeLists.txt
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===================================================================
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--- compiler-rt/lib/CMakeLists.txt
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+++ compiler-rt/lib/CMakeLists.txt
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@@ -17,6 +17,10 @@
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add_subdirectory(builtins)
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endif()
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+if(COMPILER_RT_BUILD_CRT)
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+ add_subdirectory(crt)
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+endif()
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+
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function(compiler_rt_build_runtime runtime)
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string(TOUPPER ${runtime} runtime_uppercase)
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if(COMPILER_RT_HAS_${runtime_uppercase})
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Index: compiler-rt/lib/crt/CMakeLists.txt
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===================================================================
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--- /dev/null
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+++ compiler-rt/lib/crt/CMakeLists.txt
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@@ -0,0 +1,102 @@
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+add_compiler_rt_component(crt)
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+
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+function(check_cxx_section_exists section output)
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+ cmake_parse_arguments(ARG "" "" "SOURCE;FLAGS" ${ARGN})
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+ if(NOT ARG_SOURCE)
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+ set(ARG_SOURCE "int main() { return 0; }\n")
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+ endif()
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+
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+ string(RANDOM TARGET_NAME)
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+ set(TARGET_NAME "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cmTC_${TARGET_NAME}.dir")
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+ file(MAKE_DIRECTORY ${TARGET_NAME})
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+
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+ file(WRITE "${TARGET_NAME}/CheckSectionExists.c" "${ARG_SOURCE}\n")
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+
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+ string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions
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+ ${CMAKE_C_COMPILE_OBJECT})
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+
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+ set(try_compile_flags "${ARG_FLAGS}")
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+ if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET)
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+ list(APPEND try_compile_flags "-target ${CMAKE_C_COMPILER_TARGET}")
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+ endif()
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+
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+ string(REPLACE ";" " " extra_flags "${try_compile_flags}")
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+
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+ set(test_compile_command "${CMAKE_C_COMPILE_OBJECT}")
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+ foreach(substitution ${substitutions})
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+ if(substitution STREQUAL "<CMAKE_C_COMPILER>")
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+ string(REPLACE "<CMAKE_C_COMPILER>"
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+ "${CMAKE_C_COMPILER}" test_compile_command ${test_compile_command})
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+ elseif(substitution STREQUAL "<OBJECT>")
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+ string(REPLACE "<OBJECT>" "${TARGET_NAME}/CheckSectionExists.o"
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+ test_compile_command ${test_compile_command})
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+ elseif(substitution STREQUAL "<SOURCE>")
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+ string(REPLACE "<SOURCE>" "${TARGET_NAME}/CheckSectionExists.c"
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+ test_compile_command ${test_compile_command})
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+ elseif(substitution STREQUAL "<FLAGS>")
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+ string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_flags}"
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+ test_compile_command ${test_compile_command})
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+ else()
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+ string(REPLACE "${substitution}" "" test_compile_command
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+ ${test_compile_command})
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+ endif()
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+ endforeach()
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+
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+ string(REPLACE " " ";" test_compile_command "${test_compile_command}")
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+
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+ execute_process(
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+ COMMAND ${test_compile_command}
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+ RESULT_VARIABLE TEST_RESULT
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+ OUTPUT_VARIABLE TEST_OUTPUT
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+ ERROR_VARIABLE TEST_ERROR
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+ )
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+
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+ execute_process(
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+ COMMAND ${CMAKE_OBJDUMP} -h "${TARGET_NAME}/CheckSectionExists.o"
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+ RESULT_VARIABLE CHECK_RESULT
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+ OUTPUT_VARIABLE CHECK_OUTPUT
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+ ERROR_VARIABLE CHECK_ERROR
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+ )
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+ string(FIND "${CHECK_OUTPUT}" "${section}" SECTION_FOUND)
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+
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+ if(NOT SECTION_FOUND EQUAL -1)
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+ set(${output} TRUE PARENT_SCOPE)
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+ else()
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+ set(${output} FALSE PARENT_SCOPE)
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+ endif()
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+
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+ file(REMOVE_RECURSE ${TARGET_NAME})
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+endfunction()
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+
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+check_cxx_section_exists(".init_array" COMPILER_RT_HAS_INITFINI_ARRAY
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+ SOURCE "__attribute__((constructor)) void f() {}\nint main() { return 0; }\n")
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+
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+append_list_if(COMPILER_RT_HAS_INITFINI_ARRAY -DCRT_HAS_INITFINI_ARRAY CRT_CFLAGS)
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+append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC CRT_CFLAGS)
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+
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+foreach(arch ${CRT_SUPPORTED_ARCH})
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+ add_compiler_rt_runtime(clang_rt.crtbegin
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+ OBJECT
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+ ARCHS ${arch}
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+ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtbegin.c
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+ CFLAGS ${CRT_CFLAGS}
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+ PARENT_TARGET crt)
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+ add_compiler_rt_runtime(clang_rt.crtbegin_shared
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+ OBJECT
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+ ARCHS ${arch}
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+ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtbegin.c
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+ CFLAGS ${CRT_CFLAGS} -DCRT_SHARED
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+ PARENT_TARGET crt)
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+ add_compiler_rt_runtime(clang_rt.crtend
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+ OBJECT
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+ ARCHS ${arch}
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+ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c
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+ CFLAGS ${CRT_CFLAGS}
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+ PARENT_TARGET crt)
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+ add_compiler_rt_runtime(clang_rt.crtend_shared
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+ OBJECT
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+ ARCHS ${arch}
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+ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c
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+ CFLAGS ${CRT_CFLAGS} -DCRT_SHARED
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+ PARENT_TARGET crt)
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+endforeach()
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Index: compiler-rt/lib/crt/crtbegin.c
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===================================================================
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--- /dev/null
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+++ compiler-rt/lib/crt/crtbegin.c
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@@ -0,0 +1,108 @@
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+/* ===-- crtbegin.c - Start of constructors and destructors ----------------===
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+ *
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+ * The LLVM Compiler Infrastructure
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+ *
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+ * This file is dual licensed under the MIT and the University of Illinois Open
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+ * Source Licenses. See LICENSE.TXT for details.
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+ *
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+ * ===----------------------------------------------------------------------===
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+ */
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+
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+#include <stddef.h>
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+
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+__attribute__((visibility("hidden")))
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+#ifdef CRT_SHARED
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+void *__dso_handle = &__dso_handle;
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+#else
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+void *__dso_handle = (void *)0;
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+#endif
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+
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+static long __EH_FRAME_LIST__[]
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+ __attribute__((section(".eh_frame"), aligned(sizeof(void *)))) = {};
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+
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+extern void __register_frame_info(const void *, void *) __attribute__((weak));
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+extern void *__deregister_frame_info(const void *) __attribute__((weak));
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+
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+#ifndef CRT_HAS_INITFINI_ARRAY
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+typedef void (*fp)(void);
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+
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+static fp __CTOR_LIST__[]
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+ __attribute__((section(".ctors"), aligned(sizeof(fp)), used)) = {(fp)-1};
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+extern fp __CTOR_LIST_END__[];
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+#endif
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+
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+#ifdef CRT_SHARED
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+extern void __cxa_finalize(void *) __attribute__((weak));
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+#endif
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+
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+static void __attribute__((used)) __do_init() {
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+ static _Bool __initialized;
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+ if (__builtin_expect(__initialized, 0))
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+ return;
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+ __initialized = 1;
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+
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+ static struct { void *p[8]; } __object;
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+ if (__register_frame_info)
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+ __register_frame_info(__EH_FRAME_LIST__, &__object);
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+
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+#ifndef CRT_HAS_INITFINI_ARRAY
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+ const size_t n = __CTOR_LIST_END__ - __CTOR_LIST__ - 1;
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+ for (size_t i = n; i >= 1; i--) __CTOR_LIST__[i]();
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+#endif
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+}
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+
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+#ifdef CRT_HAS_INITFINI_ARRAY
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+__attribute__((section(".init_array"),
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+ used)) static void (*__init)(void) = __do_init;
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+#else // CRT_HAS_INITFINI_ARRAY
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+#if defined(__i386__) || defined(__x86_64__)
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+asm(".pushsection .init,\"ax\",@progbits\n\t"
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+ "call " __USER_LABEL_PREFIX__ "__do_init\n\t"
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+ ".popsection");
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+#elif defined(__arm__)
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+asm(".pushsection .init,\"ax\",%progbits\n\t"
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+ "bl " __USER_LABEL_PREFIX__ "__do_init\n\t"
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+ ".popsection");
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+#endif // CRT_HAS_INITFINI_ARRAY
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+#endif
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+
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+#ifndef CRT_HAS_INITFINI_ARRAY
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+static fp __DTOR_LIST__[]
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+ __attribute__((section(".dtors"), aligned(sizeof(fp)), used)) = {(fp)-1};
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+extern fp __DTOR_LIST_END__[];
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+#endif
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+
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+static void __attribute__((used)) __do_fini() {
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+ static _Bool __finalized;
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+ if (__builtin_expect(__finalized, 0))
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+ return;
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+ __finalized = 1;
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+
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+#ifdef CRT_SHARED
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+ if (__cxa_finalize)
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+ __cxa_finalize(__dso_handle);
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+#endif
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+
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+#ifndef CRT_HAS_INITFINI_ARRAY
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+ if (__deregister_frame_info)
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+ __deregister_frame_info(__EH_FRAME_LIST__);
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+
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+ const size_t n = __DTOR_LIST_END__ - __DTOR_LIST__ - 1;
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+ for (size_t i = 1; i < n; i++) __DTOR_LIST__[i]();
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+#endif
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+}
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+
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+#ifdef CRT_HAS_INITFINI_ARRAY
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+__attribute__((section(".fini_array"),
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+ used)) static void (*__fini)(void) = __do_fini;
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+#else // CRT_HAS_INITFINI_ARRAY
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+#if defined(__i386__) || defined(__x86_64__)
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+asm(".pushsection .fini,\"ax\",@progbits\n\t"
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+ "call " __USER_LABEL_PREFIX__ "__do_fini\n\t"
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+ ".popsection");
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+#elif defined(__arm__)
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+asm(".pushsection .fini,\"ax\",%progbits\n\t"
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+ "bl " __USER_LABEL_PREFIX__ "__do_fini\n\t"
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+ ".popsection");
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+#endif
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+#endif // CRT_HAS_INIT_FINI_ARRAY
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Index: compiler-rt/lib/crt/crtend.c
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===================================================================
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--- /dev/null
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+++ compiler-rt/lib/crt/crtend.c
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@@ -0,0 +1,24 @@
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+/* ===-- crtend.c - End of constructors and destructors --------------------===
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+ *
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+ * The LLVM Compiler Infrastructure
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+ *
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+ * This file is dual licensed under the MIT and the University of Illinois Open
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+ * Source Licenses. See LICENSE.TXT for details.
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+ *
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+ * ===----------------------------------------------------------------------===
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+ */
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+
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+#include <stdint.h>
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+
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+// Put 4-byte zero which is the length field in FDE at the end as a terminator.
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+const int32_t __EH_FRAME_LIST_END__[]
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+ __attribute__((section(".eh_frame"), aligned(sizeof(int32_t)),
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+ visibility("hidden"), used)) = {0};
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+
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+#ifndef CRT_HAS_INITFINI_ARRAY
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+typedef void (*fp)(void);
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+fp __CTOR_LIST_END__[]
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+ __attribute__((section(".ctors"), visibility("hidden"), used)) = {0};
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+fp __DTOR_LIST_END__[]
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+ __attribute__((section(".dtors"), visibility("hidden"), used)) = {0};
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+#endif
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Index: compiler-rt/test/CMakeLists.txt
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===================================================================
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--- compiler-rt/test/CMakeLists.txt
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+++ compiler-rt/test/CMakeLists.txt
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@@ -73,6 +73,9 @@
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if(COMPILER_RT_BUILD_XRAY)
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compiler_rt_test_runtime(xray)
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endif()
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+ if(COMPILER_RT_HAS_CRT)
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+ add_subdirectory(crt)
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+ endif()
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# ShadowCallStack does not yet provide a runtime with compiler-rt, the tests
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# include their own minimal runtime
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add_subdirectory(shadowcallstack)
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Index: compiler-rt/test/crt/CMakeLists.txt
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===================================================================
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--- /dev/null
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+++ compiler-rt/test/crt/CMakeLists.txt
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@@ -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")
|