get_kernel_syms man page on Archlinux

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GET_KERNEL_SYMS(2)	   Linux Programmer's Manual	    GET_KERNEL_SYMS(2)

       get_kernel_syms - retrieve exported kernel and module symbols

       #include <linux/module.h>

       int get_kernel_syms(struct kernel_sym *table);

       Note: This system call is present only in kernels before Linux 2.6.

       If  table  is  NULL,  get_kernel_syms()	returns	 the number of symbols
       available for query.  Otherwise it fills in a table of structures:

	   struct kernel_sym {
	       unsigned long value;
	       char	     name[60];

       The symbols are interspersed with magic symbols of  the	form  #module-
       name with the kernel having an empty name.  The value associated with a
       symbol of this form is the address at which the module is loaded.

       The symbols exported from each module follow their magic module tag and
       the modules are returned in the reverse of the order in which they were

       On success, returns the number of symbols copied to table.   On	error,
       -1 is returned and errno is set appropriately.

       There is only one possible error return:

       ENOSYS get_kernel_syms()	 is  not supported in this version of the ker‐

       This system call is present on Linux only up until kernel 2.4;  it  was
       removed in Linux 2.6.

       get_kernel_syms() is Linux-specific.

       There is no way to indicate the size of the buffer allocated for table.
       If symbols have been added to the kernel since the program queried  for
       the symbol table size, memory will be corrupted.

       The length of exported symbol names is limited to 59 characters.

       Because	of  these limitations, this system call is deprecated in favor
       of query_module(2) (which is itself nowadays  deprecated	 in  favor  of
       other interfaces described on its manual page).

       create_module(2), delete_module(2), init_module(2), query_module(2)

       This  page  is  part of release 3.65 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at

Linux				  2012-10-18		    GET_KERNEL_SYMS(2)

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