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>
96 lines
3.3 KiB
CMake
96 lines
3.3 KiB
CMake
# ##############################################################################
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# arch/sim/CMakeLists.txt
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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 contributor
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# license agreements. See the NOTICE file distributed with this work for
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# additional information regarding copyright ownership. The ASF licenses this
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# file to you under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# 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 under
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# the License.
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#
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# ##############################################################################
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include_directories(include)
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add_subdirectory(src)
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# configure host binary ######################################################
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target_include_directories(nuttx PRIVATE ${CONFIG_ARCH_CHIP})
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# This is part of the top-level export target TODO: how to deal with in CMake?
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# export_startup: board/libboard$(LIBEXT) up_head.o $(HOSTOBJS) nuttx-names.dat
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# cp up_head.o $(HOSTOBJS) ${EXPORT_DIR}/startup cp nuttx-names.dat
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# ${EXPORT_DIR}/libs echo main NXmain >> ${EXPORT_DIR}/libs/nuttx-names.dat
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# Loadable module definitions TODO: implement modules with CMake
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# -fno-pic to avoid GOT relocations
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set_property(
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TARGET nuttx
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APPEND
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PROPERTY NUTTX_ELF_MODULE_COMPILE_OPTIONS -fno-pic)
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set_property(
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TARGET nuttx
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APPEND
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PROPERTY NUTTX_ELF_MODULE_LINK_OPTIONS -r -e module_initialize -T
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${NUTTX_DIR}/libs/libc/elf/gnu-elf.ld)
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if(CONFIG_LIBC_ARCH_ELF_64BIT)
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# For amd64: It seems macOS/x86_64 loads the program text around
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# 00000001_xxxxxxxx. The gcc default (-mcmodel=small) would produce
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# out-of-range 32-bit relocations. Even on Linux, NuttX modules are loaded
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# into the NuttX heap, which can be out of range with -mcmodel=small.
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set_property(
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TARGET nuttx
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APPEND
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PROPERTY NUTTX_ELF_MODULE_COMPILE_OPTIONS -mcmodel=large)
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endif()
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# On Linux, we (ab)use the host compiler to compile binaries for NuttX.
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# Explicitly disable features which might be default on the host while not
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# available on NuttX.
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set_property(
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TARGET nuttx
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APPEND
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PROPERTY NUTTX_ELF_MODULE_COMPILE_OPTIONS -fno-stack-protector)
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# TODO: move to toolchain file NuttX modules are ELF binaries. Non-ELF platforms
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# like macOS need to use a separate ELF toolchain. ifeq ($(CONFIG_HOST_MACOS),y)
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# # eg. brew install x86_64-elf-gcc MODULECC = x86_64-elf-gcc MODULELD =
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# x86_64-elf-ld MODULESTRIP = x86_64-elf-strip --strip-unneeded endif
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# ELF module definitions
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# -fno-pic to avoid GOT relocations
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set_property(
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TARGET nuttx
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APPEND
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PROPERTY NUTTX_ELF_APP_COMPILE_OPTIONS -fno-pic)
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set_property(
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TARGET nuttx
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APPEND
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PROPERTY NUTTX_ELF_APP_LINK_OPTIONS -r -e main
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-T${BOARD_PATH}/scripts/gnu-elf.ld)
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# TODO: move to toolchain file
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if(X86_64 AND CONFIG_SIM_M32)
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set_property(
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TARGET nuttx
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APPEND
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PROPERTY NUTTX_ELF_MODULE_LINK_OPTIONS -m32)
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set_property(
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TARGET nuttx
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APPEND
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PROPERTY NUTTX_ELF_APP_LINK_OPTIONS -m32)
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endif()
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