How do I view the list of functions a Linux shared library is exporting

Question

I want to view the exported functions of a shared library on Linux   What command allows me to do this    On Windows I use the program depends

User · Answer

objdump -T   so may also do the job

User · Answer

What you need is nm and its -D option     nm -D  usr lib libopenal so 1       00012ea0 T alcSetThreadContext 000140f0 T alcSuspendContext          U atanf          U calloc         Exported sumbols are indicated by a T  Required symbols that must be loaded from other shared objects have a U  Note that the symbol table does not include just functions  but exported variables as well   See the nm manual page for more information

User · Answer

On a MAC  you need to use nm   o   c  filt  as there is no -C option in nm

User · Answer

Among other already mentioned tools you can use also readelf  manual   It is similar to objdump but goes more into detail  See this for the difference explanation     readelf -sW  lib liblzma so 5  head -n10  Symbol table   dynsym  contains 128 entries     Num     Value  Size Type    Bind   Vis      Ndx Name      0  00000000     0 NOTYPE  LOCAL  DEFAULT  UND      1  00000000     0 FUNC    GLOBAL DEFAULT  UND pthread mutex unlock GLIBC 2 0  4       2  00000000     0 FUNC    GLOBAL DEFAULT  UND pthread mutex destroy GLIBC 2 0  4       3  00000000     0 NOTYPE  WEAK   DEFAULT  UND  ITM deregisterTMCloneTable      4  00000000     0 FUNC    GLOBAL DEFAULT  UND memmove GLIBC 2 0  5       5  00000000     0 FUNC    GLOBAL DEFAULT  UND free GLIBC 2 0  5       6  00000000     0 FUNC    GLOBAL DEFAULT  UND memcpy GLIBC 2 0  5

[linux] How do I view the list of functions a Linux shared library is exporting?

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