linux下查看动态链接库依赖关系的命令 

x86:ldd    *.so

arm:

arm-linux-readelf    -d    *.so

实际例子:以项目中用到的库librtsp.so分析： arm-hisiv100nptl-linux-ld -d librtsp.so arm-hisiv100nptl-linux-ld: warning: liblog.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libcutils.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libutils.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libbinder.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libssl.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libcrypto.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libgui.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libmedia.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libstagefright_foundation.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libc.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: libstdc++.so, needed by librtsp.so, not found (try using -rpath or -rpath-link)arm-hisiv100nptl-linux-ld: warning: cannot find entry symbol _start; defaulting to 00008204librtsp.so: undefined reference to `__aeabi_unwind_cpp_pr0'librtsp.so: undefined reference to `operator new[](unsigned int)'librtsp.so: undefined reference to `__sF'librtsp.so: undefined reference to `operator delete[](void*)'librtsp.so: undefined reference to `_Unwind_Resume_or_Rethrow'librtsp.so: undefined reference to `_Unwind_VRS_Get'librtsp.so: undefined reference to `_toupper_tab_'librtsp.so: undefined reference to `__gnu_unwind_frame'librtsp.so: undefined reference to `__memset_chk'librtsp.so: undefined reference to `pthread_key_create'librtsp.so: undefined reference to `_Unwind_RaiseException'librtsp.so: undefined reference to `__strcat_chk'librtsp.so: undefined reference to `operator delete(void*)'librtsp.so: undefined reference to `__aeabi_unwind_cpp_pr1'librtsp.so: undefined reference to `_tolower_tab_'librtsp.so: undefined reference to `__cxa_pure_virtual'librtsp.so: undefined reference to `_Unwind_VRS_Set'librtsp.so: undefined reference to `_Unwind_GetLanguageSpecificData'librtsp.so: undefined reference to `__android_log_print'librtsp.so: undefined reference to `pthread_getspecific'librtsp.so: undefined reference to `_Unwind_Resume'librtsp.so: undefined reference to `__strlen_chk'librtsp.so: undefined reference to `_ctype_'librtsp.so: undefined reference to `__isthreaded'librtsp.so: undefined reference to `_Unwind_Complete'librtsp.so: undefined reference to `_Unwind_DeleteException'librtsp.so: undefined reference to `_Unwind_GetTextRelBase'librtsp.so: undefined reference to `__aeabi_uldivmod'librtsp.so: undefined reference to `__swbuf'librtsp.so: undefined reference to `_Unwind_GetDataRelBase'librtsp.so: undefined reference to `pthread_key_delete'librtsp.so: undefined reference to `__sprintf_chk'librtsp.so: undefined reference to `_Unwind_GetRegionStart'librtsp.so: undefined reference to `__errno'librtsp.so: undefined reference to `operator new(unsigned int)'librtsp.so: undefined reference to `pthread_setspecific

 arm-hisiv100nptl-linux-readelf -d librtsp.so

Dynamic section at offset 0x93c14 contains 34 entries:

  Tag        Type                         Name/Value 0x00000003 (PLTGOT)                     0x94e34 0x00000002 (PLTRELSZ)                   896 (bytes) 0x00000017 (JMPREL)                     0x40a08 0x00000014 (PLTREL)                     REL 0x00000011 (REL)                        0x37eb8 0x00000012 (RELSZ)                      35664 (bytes) 0x00000013 (RELENT)                     8 (bytes) 0x6ffffffa (RELCOUNT)                   4380 0x00000006 (SYMTAB)                     0x114 0x0000000b (SYMENT)                     16 (bytes) 0x00000005 (STRTAB)                     0xe264 0x0000000a (STRSZ)                      148452 (bytes) 0x00000004 (HASH)                       0x32648 0x00000001 (NEEDED)                     Shared library: [liblog.so] 0x00000001 (NEEDED)                     Shared library: [libcutils.so] 0x00000001 (NEEDED)                     Shared library: [libutils.so] 0x00000001 (NEEDED)                     Shared library: [libbinder.so] 0x00000001 (NEEDED)                     Shared library: [libssl.so] 0x00000001 (NEEDED)                     Shared library: [libcrypto.so] 0x00000001 (NEEDED)                     Shared library: [libgui.so] 0x00000001 (NEEDED)                     Shared library: [libmedia.so] 0x00000001 (NEEDED)                     Shared library: [libstagefright_foundation.so] 0x00000001 (NEEDED)                     Shared library: [libc.so] 0x00000001 (NEEDED)                     Shared library: [libstdc++.so] 0x00000001 (NEEDED)                     Shared library: [libm.so] 0x0000000e (SONAME)                     Library soname: [librtsp.so] 0x0000001a (FINI_ARRAY)                 0x90084 0x0000001c (FINI_ARRAYSZ)               4 (bytes) 0x00000019 (INIT_ARRAY)                 0x90088 0x0000001b (INIT_ARRAYSZ)               36 (bytes) 0x00000010 (SYMBOLIC)                   0x0 0x0000001e (FLAGS)                      SYMBOLIC BIND_NOW 0x6ffffffb (FLAGS_1)                    Flags: NOW 0x00000000 (NULL)                       0x0  参考:apk相关和loadLibrary详解 

Linux的nm查看动态和静态库中的符号 

Linux命令学习手册-readelf命令 

eCos编译Synthethic Target程序时无法解析__sprintf_chk的解决办法