nuttx/boards/risc-v/bl602/bl602evb/scripts/Make.defs
chao.an 64d7326ed5 compile/opt: add config DEBUG_OPT_UNUSED_SECTIONS
Enable this option to optimization the unused input sections with the
linker by compiling with " -ffunction-sections -fdata-sections ", and
linking with " --gc-sections ".

Signed-off-by: chao.an <anchao@xiaomi.com>
2022-04-22 01:37:23 +08:00

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############################################################################
# boards/risc-v/bl602/bl602evb/scripts/Make.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.
#
############################################################################
include $(TOPDIR)/.config
include $(TOPDIR)/tools/Config.mk
include $(TOPDIR)/arch/risc-v/src/common/Toolchain.defs
ARCH_SRCDIR = $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src
ARCH_INCDIR = $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)include
LDSCRIPT = ld.script
ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT)
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
ARCHOPTIMIZATION = -g
ASARCHCPUFLAGS += -Wa,-g
endif
ifneq ($(CONFIG_DEBUG_NOOPT),y)
ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing
endif
ARCHCPUFLAGS += -mno-relax
ARCHCFLAGS += -fno-common
ARCHCXXFLAGS += -fno-common -std=c++17 -pipe
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
ARCHWARNINGSXX = -Wall -Wshadow -Wundef
ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
ifeq ($(CONFIG_STACK_OVERFLOW_CHECK),y)
ARCHCFLAGS += -finstrument-functions -ffixed-s11
endif
ARCHDEFINES += -DARCH_RISCV
CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
AFLAGS += $(CFLAGS) -D__ASSEMBLY__ $(ASARCHCPUFLAGS)
# ELF module definitions
CELFFLAGS = $(CFLAGS)
CXXELFFLAGS = $(CXXFLAGS)
LDELFFLAGS = -melf32lriscv -r -e main
LDELFFLAGS += -T $(call CONVERT_PATH,$(BOARD_DIR)$(DELIM)scripts$(DELIM)gnu-elf.ld)
LDFLAGS += -melf32lriscv --cref
LDFLAGS += -Map=$(TOPDIR)/nuttx.map