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  • 查找应用编译时所找的动态库:LD_DEBUG

    LD_DEBUG 是 glibc 中的 loader 为了方便自身调试而设置的一个环境变量。

    命令 :LD_DEBUG=help ls,显示帮助信息,例:

    Valid options for the LD_DEBUG environment variable are:

    libs display library search paths
    reloc display relocation processing
    files display progress for input file
    symbols display symbol table processing
    bindings display information about symbol binding
    versions display version dependencies
    all all previous options combined
    statistics display relocation statistics
    unused determined unused DSOs
    help display this help message and exit

    命令 :LD_DEBUG=libs ./batMain,显示batMain程序锁关联的动态库。例:

    14943: find library=libBase.so [0]; searching
    14943: search path=tls/i686/sse2:tls/i686:tls/sse2:tls:i686/sse2:i686:sse2::/oracle/product/10.2.0/lib/tls/i686/sse2:/oracle/product/10.2.0/lib/tls/i686:/oracle/product/10.2.0/lib/tls/sse2:/oracle/product/10.2.0/lib/tls:/oracle/product/10.2.0/lib/i686/sse2:/oracle/product/10.2.0/lib/i686:/oracle/product/10.2.0/lib/sse2:/oracle/product/10.2.0/lib:/home/lcc/lib/tls/i686/sse2:/home/lcc/lib/tls/i686:/home/lcc/lib/tls/sse2:/home/lcc/lib/tls:/home/lcc/lib/i686/sse2:/home/lcc/lib/i686:/home/lcc/lib/sse2:/home/lcc/lib (LD_LIBRARY_PATH)
    14943: trying file=tls/i686/sse2/libBase.so
    14943: trying file=tls/i686/libBase.so
    14943: trying file=tls/sse2/libBase.so
    14943: trying file=tls/libBase.so
    14943: trying file=i686/sse2/libBase.so
    14943: trying file=i686/libBase.so
    14943: trying file=sse2/libBase.so
    14943: trying file=libBase.so
    14943: trying file=/oracle/product/10.2.0/lib/tls/i686/sse2/libBase.so
    14943: trying file=/oracle/product/10.2.0/lib/tls/i686/libBase.so
    14943: trying file=/oracle/product/10.2.0/lib/tls/sse2/libBase.so
    14943: trying file=/oracle/product/10.2.0/lib/tls/libBase.so
    14943: trying file=/oracle/product/10.2.0/lib/i686/sse2/libBase.so
    14943: trying file=/oracle/product/10.2.0/lib/i686/libBase.so
    14943: trying file=/oracle/product/10.2.0/lib/sse2/libBase.so
    14943: trying file=/oracle/product/10.2.0/lib/libBase.so
    14943: trying file=/home/lcc/lib/tls/i686/sse2/libBase.so
    14943: trying file=/home/lcc/lib/tls/i686/libBase.so
    14943: trying file=/home/lcc/lib/tls/sse2/libBase.so
    14943: trying file=/home/lcc/lib/tls/libBase.so

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  • 原文地址:https://www.cnblogs.com/samurail/p/2803750.html
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