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11 years ago.
linking nsdl lib failed with unsolved symbol
Hi, I try to link nsdl lib in my offline development environment. It fails with errors like:
error
nanoservice_client_1_12\sn_grs.c:(.text+0x46c): undefined reference to `__aeabi_memclr4'
here is my building command (unrelated object file removed):
building command
C:/smeshstudio/smeshcore/tools/gcc_arm/bin/arm-none-eabi-gcc -mcpu=cortex-m3 -mthumb -Wl,--gc-sections --specs=nano.specs -u _printf_float -u _scanf_float -Wl,--wrap,main -Wl,-Map=NSDL_HelloWorld.map,--cref -T./mbed/TARGET_LPC1768/TOOLCHAIN_GCC_ARM/LPC1768.ld -L./mbed/TARGET_LPC1768/TOOLCHAIN_GCC_ARM -L./nsdl_lib -o NSDL_HelloWorld.elf mbed-rtos/rtx/TARGET_M3/TOOLCHAIN_GCC/SVC_Table.o mbed-rtos/rtx/TARGET_M3/TOOLCHAIN_GCC/HAL_CM3.o ... mbed-rtos/rtos/Semaphore.o mbed-rtos/rtos/Mutex.o mbed-rtos/rtos/RtosTimer.o mbed/TARGET_LPC1768/TOOLCHAIN_GCC_ARM/retarget.o mbed/TARGET_LPC1768/TOOLCHAIN_GCC_ARM/system_LPC17xx.o mbed/TARGET_LPC1768/TOOLCHAIN_GCC_ARM/board.o mbed/TARGET_LPC1768/TOOLCHAIN_GCC_ARM/cmsis_nvic.o mbed/TARGET_LPC1768/TOOLCHAIN_GCC_ARM/startup_LPC17xx.o -lmbed -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys -lnsdl -lmbed -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys -lnsdl
Here are errors with more details from linker:
errors with details
arm-none-eabi/bin/ld.exe: warning: ./nsdl_lib\libnsdl.a(sn_coap_builder.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail arm-none-eabi/bin/ld.exe: warning: ./nsdl_lib\libnsdl.a(sn_coap_header_check.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail arm-none-eabi/bin/ld.exe: warning: ./nsdl_lib\libnsdl.a(sn_coap_parser.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail arm-none-eabi/bin/ld.exe: warning: ./nsdl_lib\libnsdl.a(sn_nsdl.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail arm-none-eabi/bin/ld.exe: warning: ./nsdl_lib\libnsdl.a(sn_coap_protocol.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail arm-none-eabi/bin/ld.exe: warning: ./nsdl_lib\libnsdl.a(sn_grs.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail arm-none-eabi/bin/ld.exe: warning: ./nsdl_lib\libnsdl.a(sn_linked_list.o) uses 2-byte wchar_t yet the output is to use 4-byte wchar_t; use of wchar_t values across objects may fail ./nsdl_lib\libnsdl.a(sn_coap_builder.o): In function `sn_coap_build_response': nanoservice_client_1_12\sn_coap_builder.c:(.text+0x2a): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_coap_builder.c:(.text+0x7c): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_builder.o): In function `sn_coap_builder_payload_build': nanoservice_client_1_12\sn_coap_builder.c:(.text+0xa2): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_builder.o): In function `sn_coap_builder_options_build_add_one_option': nanoservice_client_1_12\sn_coap_builder.c:(.text+0x1aa): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_builder.o): In function `sn_coap_builder_options_build': nanoservice_client_1_12\sn_coap_builder.c:(.text+0x366): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_builder.o): In function `sn_coap_builder': nanoservice_client_1_12\sn_coap_builder.c:(.text+0xaba): undefined reference to `__aeabi_memclr' ./nsdl_lib\libnsdl.a(sn_coap_parser.o): In function `sn_coap_parser_options_parse_multiple_options': nanoservice_client_1_12\sn_coap_parser.c:(.text+0x2a0): undefined reference to `__aeabi_memset' nanoservice_client_1_12\sn_coap_parser.c:(.text+0x2b4): undefined reference to `__aeabi_memset' nanoservice_client_1_12\sn_coap_parser.c:(.text+0x2e6): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_parser.o): In function `sn_coap_parser_options_parse': nanoservice_client_1_12\sn_coap_parser.c:(.text+0x3a8): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_parser.c:(.text+0x4e0): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_coap_parser.c:(.text+0x558): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_parser.c:(.text+0x5a4): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_parser.c:(.text+0x5fc): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_parser.c:(.text+0x686): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_parser.c:(.text+0x716): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_parser.o):nanoservice_client_1_12\sn_coap_parser.c:(.text+0x7e2): more undefined references to `__aeabi_memcpy' follow ./nsdl_lib\libnsdl.a(sn_coap_parser.o): In function `sn_coap_parser': nanoservice_client_1_12\sn_coap_parser.c:(.text+0x9b2): undefined reference to `__aeabi_memclr4' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_resolve_ep_information': nanoservice_client_1_12\sn_nsdl.c:(.text+0x234): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0x2a8): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0x2fc): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_init': nanoservice_client_1_12\sn_nsdl.c:(.text+0x4fa): undefined reference to `__aeabi_memclr4' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_GET_with_QUERY': nanoservice_client_1_12\sn_nsdl.c:(.text+0x55a): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0x588): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0x5d2): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_GET': nanoservice_client_1_12\sn_nsdl.c:(.text+0x630): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0x65e): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0x6a4): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_build_registration_body': nanoservice_client_1_12\sn_nsdl.c:(.text+0x942): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0x964): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0x978): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0x99c): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_nsdl.o):nanoservice_client_1_12\sn_nsdl.c:(.text+0x9b0): more undefined references to `__aeabi_memcpy' follow ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_register_endpoint': nanoservice_client_1_12\sn_nsdl.c:(.text+0xb88): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0xbb6): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0xcb2): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0xd4e): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_unregister_endpoint': nanoservice_client_1_12\sn_nsdl.c:(.text+0xd88): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0xde4): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0xe04): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_update_registration': nanoservice_client_1_12\sn_nsdl.c:(.text+0xe38): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0xe72): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0xe96): undefined reference to `__aeabi_memclr4' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_send_eventing_message': nanoservice_client_1_12\sn_nsdl.c:(.text+0xeee): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0xf20): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0xf2c): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `sn_nsdl_send_observation_notification': nanoservice_client_1_12\sn_nsdl.c:(.text+0xf7e): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_nsdl.c:(.text+0xfa2): undefined reference to `__aeabi_memclr4' ./nsdl_lib\libnsdl.a(sn_nsdl.o): In function `set_NSP_address': nanoservice_client_1_12\sn_nsdl.c:(.text+0x1132): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_nsdl.c:(.text+0x118e): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_protocol.o): In function `sn_coap_register': nanoservice_client_1_12\sn_coap_protocol.c:(.text+0x44): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_protocol.c:(.text+0x70): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_coap_protocol.c:(.text+0xc8): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_protocol.c:(.text+0xdc): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_protocol.c:(.text+0xe8): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_protocol.o): In function `sn_coap_protocol_allocate_mem_for_msg': nanoservice_client_1_12\sn_coap_protocol.c:(.text+0x4de): undefined reference to `__aeabi_memclr' ./nsdl_lib\libnsdl.a(sn_coap_protocol.o): In function `sn_coap_protocol_linked_list_send_msg_store': nanoservice_client_1_12\sn_coap_protocol.c:(.text+0x5ae): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_protocol.c:(.text+0x5cc): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_protocol.o): In function `sn_coap_protocol_linked_list_ack_info_store': nanoservice_client_1_12\sn_coap_protocol.c:(.text+0xa1c): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_coap_protocol.c:(.text+0xa2c): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_protocol.o): In function `sn_coap_protocol_build_msg': nanoservice_client_1_12\sn_coap_protocol.c:(.text+0xc1c): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_coap_protocol.o):nanoservice_client_1_12\sn_coap_protocol.c:(.text+0xc62): more undefined references to `__aeabi_memcpy' follow ./nsdl_lib\libnsdl.a(sn_grs.o): In function `sn_grs_list_resource': nanoservice_client_1_12\sn_grs.c:(.text+0x1e6): undefined reference to `__aeabi_memmove' ./nsdl_lib\libnsdl.a(sn_grs.o): In function `sn_grs_update_resource': nanoservice_client_1_12\sn_grs.c:(.text+0x42c): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_grs.o): In function `sn_grs_add_resource_to_list': nanoservice_client_1_12\sn_grs.c:(.text+0x46c): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_grs.c:(.text+0x4b8): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0x4e4): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0x50e): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_grs.c:(.text+0x566): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0x59e): undefined reference to `__aeabi_memcpy' ./nsdl_lib\libnsdl.a(sn_grs.o): In function `sn_grs_process_coap': nanoservice_client_1_12\sn_grs.c:(.text+0x78c): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_grs.c:(.text+0x92c): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0x986): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0x9f0): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_grs.c:(.text+0xa24): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0xa5c): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0xaf2): undefined reference to `__aeabi_memclr4' nanoservice_client_1_12\sn_grs.c:(.text+0xb6e): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0xbd0): undefined reference to `__aeabi_memcpy' nanoservice_client_1_12\sn_grs.c:(.text+0xc26): undefined reference to `__aeabi_memcpy' arm-none-eabi/bin/ld.exe: NSDL_HelloWorld.elf: hidden symbol `__aeabi_memset' isn't defined arm-none-eabi/bin/ld.exe: final link failed: Bad value collect2.exe: error: ld returned 1 exit status
Could you help me find what is wrong here?
Thanks!
Question relating to:
1 Answer
poster
11 years ago.
It turns out that the online IDE probably use armcc toolchain, which has optimized version for memcpy, memmove and memclr etcs.(http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka3934.html) But they are not available in arm-gcc 4.8. It can be solved by updating to latest newlib (https://sourceware.org/newlib/), which contains such symbols (aeabi_memcpy, aeabi_memmove etc.) or implementing these functions by ourselves.
Accepted Answer
Assigned to 11 years ago.
This means that the question has been accepted and is being worked on.
moved to answer.
posted by zhongwei yao 26 Feb 2015