qinwei2004 commented on code in PR #6478: URL: https://github.com/apache/incubator-nuttx/pull/6478#discussion_r916015151
########## arch/arm64/src/Toolchain.defs: ########## @@ -0,0 +1,126 @@ +############################################################################ +# arch/arm64/src/Toolchain.defs +# +# 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. +# +############################################################################ + +# +# Supported toolchains +# +# Each toolchain definition should set: +# +# CROSSDEV The GNU toolchain triple (command prefix) +# ARCHCPUFLAGS CPU-specific flags selecting the instruction set +# FPU options, etc. +# ARCHOPTIMIZATION The optimization level that results in +# reliable code generation. +# + +ifeq ($(CONFIG_ARCH_ARMV8A),y) +ARCHCPUFLAGS += -march=armv8-a +endif + +ifeq ($(CONFIG_ARCH_CORTEX_A53),y) +ARCHCPUFLAGS += -mtune=cortex-a53 +endif + +ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y) + ARCHOPTIMIZATION += $(CONFIG_DEBUG_OPTLEVEL) +else ifeq ($(CONFIG_DEBUG_FULLOPT),y) + ARCHOPTIMIZATION += -Os +endif + +ifneq ($(CONFIG_DEBUG_NOOPT),y) + ARCHOPTIMIZATION += -fno-strict-aliasing +endif + +ifeq ($(CONFIG_FRAME_POINTER),y) + ARCHOPTIMIZATION += -fno-omit-frame-pointer -fno-optimize-sibling-calls +else + ARCHOPTIMIZATION += -fomit-frame-pointer +endif + +ifeq ($(CONFIG_STACK_CANARIES),y) + ARCHOPTIMIZATION += -fstack-protector-all +endif + +ifeq ($(CONFIG_ARCH_COVERAGE),y) + ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage +endif +ARCHCFLAGS += -fno-common +ARCHCXXFLAGS += -fno-common -nostdinc++ + +ARCHCFLAGS += -Wall -Wstrict-prototypes -Wshadow -Wundef -Werror +ARCHCXXFLAGS += -Wall -Wshadow -Wundef + +ifneq ($(CONFIG_CXX_EXCEPTION),y) + ARCHCXXFLAGS += -fno-exceptions -fcheck-new +endif + +ifneq ($(CONFIG_CXX_RTTI),y) + ARCHCXXFLAGS += -fno-rtti +endif + +LDFLAGS += -nostdlib + +# Optimization of unused sections + +ifeq ($(CONFIG_DEBUG_OPT_UNUSED_SECTIONS),y) + LDFLAGS += --gc-sections + ARCHOPTIMIZATION += -ffunction-sections -fdata-sections +endif + +# Debug link map + +ifeq ($(CONFIG_DEBUG_LINK_MAP),y) + LDFLAGS += --cref -Map=$(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx.map) +endif + +ifeq ($(CONFIG_DEBUG_SYMBOLS),y) + LDFLAGS += -g + ARCHOPTIMIZATION += -g +endif +CROSSDEV ?= aarch64-none-elf- + +# Default toolchain + +CC = $(CROSSDEV)gcc Review Comment: what about to add clang support at next PR ? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
