8b4ecac6c2
to prepare the support of other implementation e.g.: https://github.com/JuliaMath/openlibm https://gitlab.com/gtd-gmbh/libmcs Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
155 lines
4.2 KiB
Text
155 lines
4.2 KiB
Text
############################################################################
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# arch/arm64/src/Toolchain.defs
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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#
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# Supported toolchains
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#
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# Each toolchain definition should set:
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#
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# CROSSDEV The GNU toolchain triple (command prefix)
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# ARCHCPUFLAGS CPU-specific flags selecting the instruction set
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# FPU options, etc.
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# ARCHOPTIMIZATION The optimization level that results in
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# reliable code generation.
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#
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ifeq ($(CONFIG_ARCH_ARMV8A),y)
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ARCHCPUFLAGS += -march=armv8-a
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endif
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ifeq ($(CONFIG_ARCH_CORTEX_A53),y)
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ARCHCPUFLAGS += -mtune=cortex-a53
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else ifeq ($(CONFIG_ARCH_CORTEX_A57),y)
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ARCHCPUFLAGS += -mtune=cortex-a57
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else ifeq ($(CONFIG_ARCH_CORTEX_A72),y)
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ARCHCPUFLAGS += -mtune=cortex-a72
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endif
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ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
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ARCHOPTIMIZATION += $(CONFIG_DEBUG_OPTLEVEL)
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else ifeq ($(CONFIG_DEBUG_FULLOPT),y)
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ARCHOPTIMIZATION += -Os
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endif
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ifneq ($(CONFIG_DEBUG_NOOPT),y)
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ARCHOPTIMIZATION += -fno-strict-aliasing
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endif
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ifeq ($(CONFIG_FRAME_POINTER),y)
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ARCHOPTIMIZATION += -fno-omit-frame-pointer -fno-optimize-sibling-calls
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else
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ARCHOPTIMIZATION += -fomit-frame-pointer
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endif
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ifeq ($(CONFIG_STACK_CANARIES),y)
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ARCHOPTIMIZATION += -fstack-protector-all
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endif
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ifeq ($(CONFIG_ARCH_COVERAGE_ALL),y)
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ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
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endif
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ifeq ($(CONFIG_MM_UBSAN_ALL),y)
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ARCHOPTIMIZATION += $(CONFIG_MM_UBSAN_OPTION)
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endif
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ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y)
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ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error
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endif
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ARCHCFLAGS += -fno-common
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ARCHCXXFLAGS += -fno-common -nostdinc++
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ARCHCFLAGS += -Wall -Wstrict-prototypes -Wshadow -Wundef -Werror
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ARCHCXXFLAGS += -Wall -Wshadow -Wundef
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ifneq ($(CONFIG_CXX_STANDARD),)
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ARCHCXXFLAGS += -std=$(CONFIG_CXX_STANDARD)
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endif
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ifneq ($(CONFIG_CXX_EXCEPTION),y)
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ARCHCXXFLAGS += -fno-exceptions -fcheck-new
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endif
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ifneq ($(CONFIG_CXX_RTTI),y)
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ARCHCXXFLAGS += -fno-rtti
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endif
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LDFLAGS += -nostdlib
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# Optimization of unused sections
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ifeq ($(CONFIG_DEBUG_OPT_UNUSED_SECTIONS),y)
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LDFLAGS += --gc-sections
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ARCHOPTIMIZATION += -ffunction-sections -fdata-sections
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endif
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# Debug link map
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ifeq ($(CONFIG_DEBUG_LINK_MAP),y)
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LDFLAGS += --cref -Map=$(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx.map)
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endif
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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ARCHOPTIMIZATION += -g
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endif
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CROSSDEV ?= aarch64-none-elf-
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# Default toolchain
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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CPP = $(CROSSDEV)gcc -E -P -x c
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STRIP = $(CROSSDEV)strip --strip-unneeded
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OBJCOPY = $(CROSSDEV)objcopy
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OBJDUMP = $(CROSSDEV)objdump
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LD = $(CROSSDEV)ld
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AR = $(CROSSDEV)ar rcs
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NM = $(CROSSDEV)nm
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# Link Time Optimization
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ifeq ($(CONFIG_LTO_FULL),y)
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ARCHOPTIMIZATION += -flto
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ifeq ($(CONFIG_ARM_TOOLCHAIN_GNU_EABI),y)
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LD := $(CROSSDEV)gcc
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AR := $(CROSSDEV)gcc-ar rcs
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NM := $(CROSSDEV)gcc-nm
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ARCHOPTIMIZATION += -fuse-linker-plugin
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ARCHOPTIMIZATION += -fno-builtin
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endif
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endif
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# Add the builtin library
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EXTRA_LIBS += $(wildcard $(shell $(CC) $(ARCHCPUFLAGS) --print-libgcc-file-name))
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ifeq ($(CONFIG_LIBM_TOOLCHAIN),y)
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EXTRA_LIBS += $(wildcard $(shell $(CC) $(ARCHCPUFLAGS) --print-file-name=libm.a))
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endif
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ifeq ($(CONFIG_LIBSUPCXX),y)
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EXTRA_LIBS += $(wildcard $(shell $(CC) $(ARCHCPUFLAGS) --print-file-name=libsupc++.a))
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endif
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ifeq ($(CONFIG_ARCH_COVERAGE),y)
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EXTRA_LIBS += $(wildcard $(shell $(CC) $(ARCHCPUFLAGS) --print-file-name=libgcov.a))
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endif
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