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QCC链接QCC库汇编指令报错：是链接命令还是环境问题？

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云上老周
2026-6-18

问题

使用QCC构建项目时，编译器自带库文件出现链接错误。链接使用的Makefile命令如下：

$(OUTPUT): $(OBJ_FILES)
    $(QCC) $(QCC_FLAGS) -o $@ $(OBJ_FILES) -Wl,-T,$(LINKER_SCRIPT)

命令行报错信息：

DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: C:/Users/ashraf/qos_224//target/qnx7/aarch64le/lib/crt1.o: in function `_start':
/builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:59: undefined reference to `__preinit_array_start'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: C:/Users/ashraf/qos_224//target/qnx7/aarch64le/lib/crt1.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `__preinit_array_start' which may bind externally can not be used when making a shared object; recompile with -fPIC
/builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:59:(.text+0x34): dangerous relocation: unsupported relocation
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:60: undefined reference to `__preinit_array_end'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: C:/Users/ashraf/qos_224//target/qnx7/aarch64le/lib/crt1.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `__preinit_array_end' which may bind externally can not be used when making a shared object; recompile with -fPIC
/builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:60:(.text+0x38): dangerous relocation: unsupported relocation
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:61: undefined reference to `__preinit_array_start'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:62: undefined reference to `__preinit_array_end'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:64: undefined reference to `__fini_array_start'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: C:/Users/ashraf/qos_224//target/qnx7/aarch64le/lib/crt1.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `__fini_array_start' which may bind externally can not be used when making a shared object; recompile with -fPIC
/builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:64:(.text+0x48): dangerous relocation: unsupported relocation
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:65: undefined reference to `__fini_array_end'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: C:/Users/ashraf/qos_224//target/qnx7/aarch64le/lib/crt1.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `__fini_array_end' which may bind externally can not be used when making a shared object; recompile with -fPIC
/builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:65:(.text+0x4c): dangerous relocation: unsupported relocation
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:66: undefined reference to `__fini_array_start'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:67: undefined reference to `__fini_array_end'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:69: undefined reference to `__init_array_start'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: C:/Users/ashraf/qos_224//target/qnx7/aarch64le/lib/crt1.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `__init_array_start' which may bind externally can not be used when making a shared object; recompile with -fPIC
/builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:69:(.text+0x5c): dangerous relocation: unsupported relocation
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:70: undefined reference to `__init_array_end'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: C:/Users/ashraf/qos_224//target/qnx7/aarch64le/lib/crt1.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `__init_array_end' which may bind externally can not be used when making a shared object; recompile with -fPIC
/builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:70:(.text+0x60): dangerous relocation: unsupported relocation
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:71: undefined reference to `__init_array_start'
DIR\qos_224\\host\win64\x86_64\usr\bin\aarch64-unknown-nto-qnx7.1.0-ld: /builds/workspace/QOS224-SDP/build_aarch64/lib/c/startup/aarch64/crt1.S:72: undefined reference to `__init_array_end'
cc: C:/Users/ashraf/qos_224//host/win64/x86_64/usr/bin/aarch64-unknown-nto-qnx7.1.0-ld caught signal 1

疑问：出现上述错误是因为链接命令不正确，还是环境存在问题？

分析与结论

这类错误核心是链接配置问题，QCC工具链环境大概率正常，具体原因如下：

  1. 自定义链接脚本缺失关键段定义
    __preinit_array_start、__init_array_end这类符号是链接器自动生成的，但前提是链接脚本里必须声明.preinit_array、.init_array、.fini_array对应的段。如果你的$(LINKER_SCRIPT)里没加这些段的定义，链接器就无法生成这些符号，导致启动文件crt1.o找不到它们。

  2. 动态/静态链接模式不匹配
    报错里提到"can not be used when making a shared object"，说明当前是按共享库模式链接，但crt1.o是可执行程序的启动文件，不能用于动态库构建。如果目标是生成可执行文件，检查QCC_FLAGS里是不是误加了-shared参数；如果确实要做动态库，就不该链接crt1.o这类启动文件。

  3. QCC参数顺序或缺失系统库链接
    QCC对参数顺序有要求，系统库（比如标准C库-lc）应该放在目标文件之后。当前命令只传了$(OBJ_FILES)，可能缺少了必要的系统库链接参数，或者参数顺序不对导致启动库没被正确关联。

修复建议

  • 补充链接脚本的段定义（参考QNX默认脚本）：
    .preinit_array : {
  PROVIDE_HIDDEN (__preinit_array_start = .);
  KEEP (*(.preinit_array))
  PROVIDE_HIDDEN (__preinit_array_end = .);
}
.init_array : {
  PROVIDE_HIDDEN (__init_array_start = .);
  KEEP (*(SORT(.init_array.*)))
  KEEP (*(.init_array))
  PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array : {
  PROVIDE_HIDDEN (__fini_array_start = .);
  KEEP (*(SORT(.fini_array.*)))
  KEEP (*(.fini_array))
  PROVIDE_HIDDEN (__fini_array_end = .);
}
  • 确认产物类型：如果是可执行程序，移除QCC_FLAGS中的-shared；如果是动态库，去掉crt1.o的链接（QCC会自动处理）。
  • 调整QCC命令参数顺序，补充系统库：
    $(OUTPUT): $(OBJ_FILES)
    $(QCC) $(QCC_FLAGS) -o $@ $(OBJ_FILES) -Wl,-T,$(LINKER_SCRIPT) -lc

内容的提问来源于stack exchange，提问作者Khaled Ashraf

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最近更新时间：2026.06.18 23:47:01