kvm_nlist(3) - NetBSD Manual Pages

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KVM_NLIST(3)              NetBSD Programmer's Manual              KVM_NLIST(3)


NAME

     kvm_nlist - retrieve symbol table names from a kernel image


LIBRARY

     Kernel Data Access Library (libkvm, -lkvm)


SYNOPSIS

     #include <kvm.h>
     #include <nlist.h>

     int
     kvm_nlist(kvm_t *kd, struct nlist *nl);


DESCRIPTION

     kvm_nlist() retrieves the symbol table entries indicated by the name list
     argument nl.  This argument points to an array of nlist structures, ter-
     minated by an entry whose n_name field is NULL (see nlist(3)).  Each sym-
     bol is looked up using the n_name field, and if found, the corresponding
     n_type and n_value fields are filled in.  These fields are set to 0 if
     the symbol is not found.

     The program kvm_mkdb(8) builds a database from a kernel's namelist.  If
     kd was created by a call to kvm_open() with a NULL executable image name
     and the database matches the running kernel, kvm_nlist() will use the
     database to speed lookups.


RETURN VALUES

     The kvm_nlist() function returns the number of invalid entries found.  If
     the kernel symbol table was unreadable, -1 is returned.


FILES

     /var/db/kvm.db


SEE ALSO

     kvm(3), kvm_close(3), kvm_getargv(3), kvm_getenvv(3), kvm_geterr(3),
     kvm_getprocs(3), kvm_open(3), kvm_openfiles(3), kvm_read(3),
     kvm_write(3), kvm_mkdb(8)

NetBSD 1.4                       June 4, 1993                                1