Elf List Exported Symbols One of the important points is the restriction of exported symbols in a shared object When creating an ELF shared object by convention a file named as lib so all
There are traditionally three ways to specify the exported symbols of a shared library The programmer specifies the list of symbols to be exported when the shared library is created Instead of hijacking library calls as they happen we ll inspect the elf binary and look for external symbols it has referred to All library functions are listed as external symbols
Elf List Exported Symbols
Elf List Exported Symbols
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For PE executable I can list the imported symbols using dumpbin imports FILE EXE or using the depends utility which is GUI application nm ELF binary just returns no If the shared object so file is in ELF format one can use readelf command as follows to list the symbols readelf Ws This will list all symbols including the ones in shared objects
On Windows using the keyword declspec dllexport to export symbols See https learn microsoft en us cpp build exporting from a dll using declspec Imported and exported functions are abstracted in LIEF and one can iterate over these elements through the properties exported functions and imported functions
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How can one determine the size and origin of all symbols used to link an ELF file Something like this would be useful Symbol Size Origin func1 0x50 src func1 o func2 In my C shared library I want to dlopen another shared library and retrieve a list of the exported symbols this library has Is there a way I can do that programmatically
I believe unexported symbol lets you prevent specific symbols from being exported from a shared library with ld64 or alternatively you could use exported symbol to whitelist the Use objdump p from Binutils to dump lots of DLL specific information private headers You ll find the exported symbols under the Ordinal Name table Mingw w64 comes with gendef
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Elf List Exported Symbols - If the shared object so file is in ELF format one can use readelf command as follows to list the symbols readelf Ws This will list all symbols including the ones in shared objects
