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Manpage of GET_KERNEL_SYMS

GET_KERNEL_SYMS

Section: Linux Module Support (2)
Updated: 26 Dec 1996
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NAME

get_kernel_syms - retrieve exported kernel and module symbols  

SYNOPSIS

#include <linux/module.h>

int get_kernel_syms(struct kernel_sym *table);
 

DESCRIPTION

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 order they were loaded.  

RETURN VALUE

Returns the number of symbols returned. There is no possible error return.  

SEE ALSO

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

BUGS

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.

Because of these limitations, this system call is deprecated in favor of query_module.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO
BUGS

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Time: 15:07:46 GMT, July 17, 2018