cmake(build):add the specified armclang compiler to the cmake Toolchain file

Signed-off-by: xuxin19 <xuxin19@xiaomi.com>
This commit is contained in:
xuxin19 2024-11-03 11:28:25 +08:00 committed by Xiang Xiao
parent e777234714
commit 1bb01d40fd
4 changed files with 307 additions and 0 deletions

View file

@ -43,10 +43,14 @@ endif()
include(${ARCH_SUBDIR})
# include the toolchain specific cmake file
set(TOOLCHAIN_FILE)
if(CONFIG_ARCH_TOOLCHAIN_CLANG) # clang
set(TOOLCHAIN_FILE clang)
elseif(CONFIG_ARCH_TOOLCHAIN_ARMCLANG) # arm clang
set(TOOLCHAIN_FILE armclang)
elseif(CONFIG_ARCH_TOOLCHAIN_GHS) # greenhills
set(TOOLCHAIN_FILE ghs)
else() # gcc

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@ -0,0 +1,242 @@
# ##############################################################################
# arch/arm/src/cmake/armclang.cmake
#
# Licensed to the Apache Software Foundation (ASF) under one or more contributor
# license agreements. See the NOTICE file distributed with this work for
# additional information regarding copyright ownership. The ASF licenses this
# file to you under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
#
# ##############################################################################
# Toolchain
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_ASM_COMPILER armclang)
set(CMAKE_C_COMPILER armclang)
set(CMAKE_CXX_COMPILER armclang)
set(CMAKE_PREPROCESSOR armclang -E -P -x c)
set(CMAKE_STRIP llvm-strip --strip-unneeded)
set(CMAKE_OBJCOPY llvm-objcopy)
set(CMAKE_OBJDUMP llvm-objdump)
set(CMAKE_LINKER armlink)
set(CMAKE_LD armlink)
set(CMAKE_AR armar -rcs)
set(CMAKE_NM llvm-nm)
set(CMAKE_RANLIB llvm-ranlib)
# Since the no_builtin attribute is not fully supported on Clang disable the
# built-in functions, refer: https://github.com/apache/nuttx/pull/5971
add_compile_options(-fno-builtin --target=arm-arm-none-eabi)
# Suppress license warning
add_compile_options(-Wno-license-management)
add_link_options(-Wl,--diag_suppress=9931)
# Input sections are specified even though there will be no such sections found
# in the libraries linked. Warning: L6314W: No section matches pattern *(xxx).
add_link_options(-Wl,--diag_suppress=6314)
# Allow Empty Execution region declared on scatter Warning: L6312W: Empty
# Execution region description for region xxx
add_link_options(-Wl,--diag_suppress=6312)
# Match pattern for an unused section that is being removed. Warning: L6329W:
# Pattern xxx only matches removed unused sections.
add_link_options(-Wl,--diag_suppress=6329)
# override the ARCHIVE command
set(CMAKE_ARCHIVE_COMMAND "<CMAKE_AR> rcs <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_RANLIB_COMMAND "<CMAKE_RANLIB> <TARGET>")
set(CMAKE_C_ARCHIVE_CREATE ${CMAKE_ARCHIVE_COMMAND})
set(CMAKE_CXX_ARCHIVE_CREATE ${CMAKE_ARCHIVE_COMMAND})
set(CMAKE_ASM_ARCHIVE_CREATE ${CMAKE_ARCHIVE_COMMAND})
set(CMAKE_C_ARCHIVE_APPEND ${CMAKE_ARCHIVE_COMMAND})
set(CMAKE_CXX_ARCHIVE_APPEND ${CMAKE_ARCHIVE_COMMAND})
set(CMAKE_ASM_ARCHIVE_APPEND ${CMAKE_ARCHIVE_COMMAND})
set(CMAKE_C_ARCHIVE_FINISH ${CMAKE_RANLIB_COMMAND})
set(CMAKE_CXX_ARCHIVE_FINISH ${CMAKE_RANLIB_COMMAND})
set(CMAKE_ASM_ARCHIVE_FINISH ${CMAKE_RANLIB_COMMAND})
set(NO_LTO "-fno-lto")
if(CONFIG_ENDIAN_BIG)
add_compile_options(-mbig-endian)
endif()
# Architecture flags
add_link_options(-Wl,--entry=__start)
add_link_options(-nostdlib)
add_compile_options(-fno-common -Wall -Wshadow -Wundef -nostdlib)
if(CONFIG_DEBUG_CUSTOMOPT)
add_compile_options(${CONFIG_DEBUG_OPTLEVEL})
elseif(CONFIG_DEBUG_FULLOPT)
add_compile_options(-Os)
endif()
if(NOT CONFIG_DEBUG_NOOPT)
add_compile_options(-fno-strict-aliasing)
endif()
if(CONFIG_FRAME_POINTER)
add_compile_options(-fno-omit-frame-pointer -fno-optimize-sibling-calls)
else()
add_compile_options(-fomit-frame-pointer)
endif()
if(CONFIG_STACK_CANARIES)
add_compile_options(-fstack-protector-all)
endif()
if(CONFIG_STACK_USAGE)
add_compile_options(-fstack-usage)
endif()
if(CONFIG_STACK_USAGE_WARNING AND NOT "${CONFIG_STACK_USAGE_WARNING}" STREQUAL
"0")
add_compile_options(-Wstack-usage=${CONFIG_STACK_USAGE_WARNING})
endif()
if(CONFIG_SCHED_GCOV)
add_compile_options(-fprofile-generate -ftest-coverage)
endif()
if(CONFIG_SCHED_GPROF_ALL)
add_compile_options(-pg)
endif()
if(CONFIG_MM_UBSAN_ALL)
add_compile_options(${CONFIG_MM_UBSAN_OPTION})
endif()
if(CONFIG_MM_UBSAN_TRAP_ON_ERROR)
add_compile_options(-fsanitize-undefined-trap-on-error)
endif()
if(CONFIG_MM_KASAN_ALL)
add_compile_options(-fsanitize=kernel-address)
endif()
if(CONFIG_MM_KASAN_GLOBAL)
add_compile_options(--param=asan-globals=1)
endif()
if(CONFIG_MM_KASAN_DISABLE_READS_CHECK)
add_compile_options(--param=asan-instrument-reads=0)
endif()
if(CONFIG_MM_KASAN_DISABLE_WRITES_CHECK)
add_compile_options(--param=asan-instrument-writes=0)
endif()
# Instrumentation options
if(CONFIG_ARCH_INSTRUMENT_ALL)
add_compile_options(-finstrument-functions)
endif()
if(CONFIG_UNWINDER_ARM)
add_compile_options(-funwind-tables -fasynchronous-unwind-tables)
endif()
# Link Time Optimization
if(CONFIG_LTO_THIN)
add_compile_options(-flto=thin)
elseif(CONFIG_LTO_FULL)
add_compile_options(-flto)
elseif(CONFIG_LTO_FAT)
add_compile_options(-flto -ffat-lto-objects)
endif()
# The arm clang toolchain requires to pass the linker option will gcc tool chain
# can automatically perform lto at linking time if it found any object files are
# compiled with flto
if(NOT CONFIG_LTO_NONE)
add_link_options(-Wl,--lto)
endif()
if(CONFIG_ARM_THUMB)
add_compile_options(-mthumb)
# GCC Manual: -mthumb ... If you want to force assembler files to be
# interpreted as Thumb code, either add a `.thumb' directive to the source or
# pass the -mthumb option directly to the assembler by prefixing it with -Wa.
add_compile_options(-Wa,-mthumb)
# Outputs an implicit IT block when there is a conditional instruction without
# an enclosing IT block.
add_compile_options(-Wa,-mimplicit-it=always)
endif()
# Debug link map
if(CONFIG_DEBUG_LINK_MAP)
add_link_options(
-Wl,--strict
-Wl,--map
-Wl,--xref
-Wl,--symbols
-Wl,--info=unused
-Wl,--info=veneers
-Wl,--info=summarysizes
-Wl,--info=summarystack)
endif()
if(CONFIG_DEBUG_SYMBOLS)
add_compile_options(${CONFIG_DEBUG_SYMBOLS_LEVEL})
add_link_options(-Wl,--debug)
endif()
add_compile_options(
-Wno-attributes -Wno-unknown-pragmas
$<$<COMPILE_LANGUAGE:C>:-Wstrict-prototypes>
$<$<COMPILE_LANGUAGE:CXX>:-nostdinc++>)
# When all C++ code is built using GCC 7.1 or a higher version, we can safely
# disregard warnings of the type "parameter passing for X changed in GCC 7.1."
# Refer to :
# https://stackoverflow.com/questions/48149323/what-does-the-gcc-warning-project-parameter-passing-for-x-changed-in-gcc-7-1-m
add_compile_options(-Wno-psabi)
if(CONFIG_CXX_STANDARD)
add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-std=${CONFIG_CXX_STANDARD}>)
endif()
if(NOT CONFIG_CXX_EXCEPTION)
add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions>
$<$<COMPILE_LANGUAGE:CXX>:-fcheck-new>)
endif()
if(NOT CONFIG_CXX_RTTI)
add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fno-rtti>)
endif()
set(CMAKE_EXE_LINKER_FLAGS_INIT "--specs=nosys.specs")
set(PREPROCESS ${CMAKE_C_COMPILER} ${CMAKE_C_FLAG_ARGS} -E -P -x c)

View file

@ -28,6 +28,8 @@ set(TOOLCHAIN_ARCH_FILE)
if(CONFIG_ARCH_TOOLCHAIN_CLANG) # clang
set(TOOLCHAIN_ARCH_FILE armv7-m_clang)
elseif(CONFIG_ARCH_TOOLCHAIN_ARMCLANG) # arm clang
set(TOOLCHAIN_ARCH_FILE armv7-m_armclang)
elseif(CONFIG_ARCH_TOOLCHAIN_GHS) # greenhills
set(TOOLCHAIN_ARCH_FILE armv7-m_ghs)
else() # gcc

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@ -0,0 +1,59 @@
# ##############################################################################
# arch/arm/src/cmake/armv7-m_armclang.cmake
#
# Licensed to the Apache Software Foundation (ASF) under one or more contributor
# license agreements. See the NOTICE file distributed with this work for
# additional information regarding copyright ownership. The ASF licenses this
# file to you under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
#
# ##############################################################################
set(PLATFORM_FLAGS)
if(CONFIG_ARCH_CORTEXM4)
list(APPEND PLATFORM_FLAGS -mtune=cortex-m4 -march=armv7e-m)
if(CONFIG_ARCH_FPU)
list(APPEND PLATFORM_FLAGS -mfpu=fpv4-sp-d16)
endif()
elseif(CONFIG_ARCH_CORTEXM7)
list(APPEND PLATFORM_FLAGS -mtune=cortex-m7 -march=armv7e-m)
if(CONFIG_ARCH_FPU)
if(CONFIG_ARCH_DPFPU)
list(APPEND PLATFORM_FLAGS -mfpu=fpv5-d16)
else()
list(APPEND PLATFORM_FLAGS -mfpu=fpv5-sp-d16)
endif()
endif()
else()
list(APPEND PLATFORM_FLAGS -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft)
endif()
if(CONFIG_ARCH_FPU)
if(CONFIG_ARM_FPU_ABI_SOFT)
list(APPEND PLATFORM_FLAGS -mfloat-abi=softfp)
else()
list(APPEND PLATFORM_FLAGS -mfloat-abi=hard)
endif()
else()
list(APPEND PLATFORM_FLAGS -mfloat-abi=soft)
endif()
if(CONFIG_ARMV7M_STACKCHECK)
list(APPEND PLATFORM_FLAGS -finstrument-functions -ffixed-r10)
endif()
if(CONFIG_ARCH_INSTRUMENT_ALL AND NOT CONFIG_ARMV7M_STACKCHECK)
list(APPEND PLATFORM_FLAGS -finstrument-functions)
endif()
add_compile_options(${PLATFORM_FLAGS})