52482219c8
Renaming "modlib" to "libelf" is more in line with the implementation content, which makes it easier for individual developers to understand the capabilities of this module. CONFIG_LIBC_MODLIB -> CONFIG_LIBC_ELF Signed-off-by: chao an <anchao.archer@bytedance.com>
93 lines
2.8 KiB
Text
93 lines
2.8 KiB
Text
############################################################################
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# arch/misoc/src/minerva/Toolchain.defs
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#
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# SPDX-License-Identifier: Apache-2.0
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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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CROSSDEV = riscv32-unknown-elf-
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ARCHCPUFLAGS = -march=rv32i
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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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LDFLAGS += -nostdlib
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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ARCHOPTIMIZATION += $(CONFIG_DEBUG_SYMBOLS_LEVEL)
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endif
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ARCHCFLAGS += -fno-common
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ARCHCXXFLAGS += -fno-common
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ARCHCFLAGS += -Wall -Wstrict-prototypes -Wshadow -Wundef -Wno-attributes -Wno-unknown-pragmas
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ARCHCXXFLAGS += -Wall -Wshadow -Wundef -Wno-attributes -Wno-unknown-pragmas
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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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LD = $(CROSSDEV)ld
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STRIP = $(CROSSDEV)strip --strip-unneeded
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AR = $(CROSSDEV)ar rcs
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NM = $(CROSSDEV)nm
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OBJCOPY = $(CROSSDEV)objcopy
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OBJDUMP = $(CROSSDEV)objdump
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# Add the builtin library
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EXTRA_LIBS += $(wildcard $(shell $(CC) $(ARCHCPUFLAGS) --print-libgcc-file-name))
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ifneq ($(CONFIG_LIBCXXTOOLCHAIN),y)
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ARCHCXXFLAGS += -nostdinc++
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endif
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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_TOOLCHAIN),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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# Loadable module definitions
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CMODULEFLAGS = $(CFLAGS) -fvisibility=hidden
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LDMODULEFLAGS = -r -T $(call CONVERT_PATH,$(TOPDIR)/libs/libc/elf/gnu-elf.ld)
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# ELF module definitions
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CELFFLAGS = $(CFLAGS) -fvisibility=hidden
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CXXELFFLAGS = $(CXXFLAGS) -fvisibility=hidden
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LDELFFLAGS = -r -e __start
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LDELFFLAGS += -T $(call CONVERT_PATH,$(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)elf$(DELIM)gnu-elf.ld)
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