b86e62d30d
You can build (partially) with LLVM toolchain using the useLLVM flag.
This works like so:
nix-build -A hello --arg crossSystem '{ system =
"aarch64-unknown-linux-musl"; useLLVM = true }'
also don’t separate debug info in lldClang
It doesn’t work currently with that setup hook. Missing build-id?
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
|
|
|
|
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 +1,101 @@
|
|
+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)
|
|
+
|
|
+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 -fPIC
|
|
+ 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 -fPIC
|
|
+ PARENT_TARGET crt)
|
|
+endforeach()
|
|
Index: compiler-rt/lib/crt/crtbegin.c
|
|
===================================================================
|
|
--- /dev/null
|
|
+++ compiler-rt/lib/crt/crtbegin.c
|
|
@@ -0,0 +1,110 @@
|
|
+/* ===-- 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 *)), visibility("hidden"))) = {};
|
|
+
|
|
+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)), visibility("hidden"),
|
|
+ used)) = {(fp)-1};
|
|
+extern fp __CTOR_LIST_END__[] __attribute__((visibility("hidden")));
|
|
+#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)), visibility("hidden"),
|
|
+ used)) = {(fp)-1};
|
|
+extern fp __DTOR_LIST_END__[] __attribute__((visibility("hidden")));
|
|
+#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 +1,23 @@
|
|
+/* ===-- 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)), 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")
|