c - dlsym/dlopen with runtime arguments - Stack Overflow
Aug 30, 2009 · The deeper problem is misunderstanding the service provided by dlopen() and dlsym(), etc. – Jonathan ...
linux - dlopen failed: cannot open shared object file: No such file …
the dlopen's declaration look like, void *dlopen(const char *filename, int flag); if you set the para 'filename' as shared library's name , you should add you current path into the …
unix - Using dlopen () on an executable - Stack Overflow
Jul 8, 2011 · On some ELF systems (notably Linux), you can dlopen() PIE executables. When using GCC, just compile the executable with -fpie or -fPIE , and link it with -pie , and export the …
c - dlopen() search path - Stack Overflow
Nov 19, 2011 · I always thought dlopen() would only look in /lib and /usr/lib but now I've seen that on Linux Mint several core components like libglib-2.0.so are in a wholly different folders, …
What system call is used to load libraries in Linux?
Aug 31, 2015 · dlopen isn't a system call, it's a library function in the libdl library.Only system calls show up in strace.. On Linux and on many other platforms (especially those that use the ELF …
c - How would a loaded library function call a symbol in the main ...
Dec 25, 2008 · The dlopen() function, as discussed by @litb, is primarily provided on systems using ELF format object files. It is rather powerful and will let you control whether symbols …
c++ - dlopen/LoadLibrary on same application - Stack Overflow
Jul 31, 2012 · For dlopen, it appears very similar. If filename is a NULL pointer, then the returned handle is for the main program. When given to dlsym(), this handle causes a search for a …
what is the use-case for dlmopen vs dlopen? - Stack Overflow
Jul 27, 2022 · from dlopen's man page : The dlmopen() function differs from dlopen() primarily in that it ac‐ cepts an additional argument, lmid, that specifies the link-map list (also referred to …
c++ - Runtime library reloading using `dlopen` - Stack Overflow
Mar 14, 2018 · Is it possible for a running c++ based process to reload a c++ based dynamic library using dlopen. The running process polls for a new version of the dynamic library (with …
C++: Undefined symbols when loading shared library with dlopen ...
Oct 6, 2012 · However, when I try to load the sub-shared library into the main shared library, dlopen complains about the undefined symbol of bool A::func2() const. The function does only …