This reverts commit r359576 since it's failing on Windows bots.
llvm-svn: 359579
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)
# 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>
-# {OBJECT|STATIC|SHARED}
+# {STATIC|SHARED}
# ARCHS <architectures>
# OS <os list>
# SOURCES <source files>
# PARENT_TARGET <convenience parent target>
# ADDITIONAL_HEADERS <header files>)
function(add_compiler_rt_runtime name type)
- if(NOT type MATCHES "^(OBJECT|STATIC|SHARED)$")
- message(FATAL_ERROR "type argument must be OBJECT, STATIC or SHARED")
+ if(NOT type MATCHES "^(STATIC|SHARED)$")
+ message(FATAL_ERROR "type argument must be STATIC or SHARED")
return()
endif()
cmake_parse_arguments(LIB
message(FATAL_ERROR "Architecture ${arch} can't be targeted")
return()
endif()
- if(type STREQUAL "OBJECT")
- set(libname "${name}-${arch}")
- set_output_name(output_name_${libname} ${name}${COMPILER_RT_OS_SUFFIX} ${arch})
- elseif(type STREQUAL "STATIC")
+ if(type STREQUAL "STATIC")
set(libname "${name}-${arch}")
set_output_name(output_name_${libname} ${name} ${arch})
else()
set(COMPONENT_OPTION COMPONENT ${libname})
endif()
- 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}}/${output_name_${libname}}.o
- COMMAND ${CMAKE_C_COMPILER} ${sources_${libname}} ${cflags} ${extra_cflags_${libname}} -c -o ${output_dir_${libname}}/${output_name_${libname}}.o
- DEPENDS ${sources_${libname}}
- COMMENT "Building C object ${output_name_${libname}}.o")
- add_custom_target(${libname} DEPENDS ${output_dir_${libname}}/${output_name_${libname}}.o)
- install(FILES ${output_dir_${libname}}/${output_name_${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}}
- ${COMPONENT_OPTION})
- endif()
+ add_library(${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}})
set_target_properties(${libname} PROPERTIES
OUTPUT_NAME ${output_name_${libname}})
set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime")
)
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.
${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})
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})
# 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)
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})
+++ /dev/null
-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.crtend
- OBJECT
- ARCHS ${arch}
- SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c
- CFLAGS ${CRT_CFLAGS}
- PARENT_TARGET crt)
-endforeach()
+++ /dev/null
-//===-- crtbegin.c - Start of constructors and destructors ----------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include <stddef.h>
-
-__attribute__((visibility("hidden"))) void *__dso_handle = &__dso_handle;
-
-static void *__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)))) = {(fp)-1};
-extern fp __CTOR_LIST_END__[];
-#endif
-
-extern void __cxa_finalize(void *) __attribute__((weak));
-
-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)))) = {(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;
-
- if (__cxa_finalize)
- __cxa_finalize(__dso_handle);
-
-#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
+++ /dev/null
-//===-- crtend.c - End of constructors and destructors --------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include <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
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)
+++ /dev/null
-set(CRT_LIT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
-
-set(CRT_TESTSUITES)
-
-set(CRT_TEST_DEPS)
-if(NOT COMPILER_RT_STANDALONE_BUILD)
- list(APPEND CRT_TEST_DEPS crt)
-endif()
-if(NOT COMPILER_RT_STANDALONE_BUILD AND NOT RUNTIMES_BUILD)
- # Use LLVM utils and Clang from the same build tree.
- list(APPEND CRT_TEST_DEPS
- clang clang-resource-headers FileCheck not llvm-config)
-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")
+++ /dev/null
-// 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 %crtbegin %tshared.o %libstdcxx -lc -lm %libgcc %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
+++ /dev/null
-# -*- 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_suffix)
-config.substitutions.append(('%crtbegin', base_lib % "crtbegin"))
-config.substitutions.append(('%crtend', base_lib % "crtend"))
-
-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
+++ /dev/null
-@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")