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KVM_NLIST(3) Library Functions Manual KVM_NLIST(3)

kvm_nlist
retrieve symbol table names from a kernel image

#include <kvm.h>
#include <nlist.h>
int
kvm_nlist(kvm_t *kd, struct nlist *nl);

kvm_nlist() retrieves the symbol table entries indicated by the name list argument nl. This argument points to an array of nlist structures, terminated by an entry whose n_name field is NULL (see nlist(3)). Each symbol 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 the running kernel's namelist. If the database matches the opened kernel, kvm_nlist() uses it to speed lookups.

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

/var/db/kvm_bsd.db
 

kvm(3), kvm_geterr(3), kvm_getprocs(3), kvm_open(3), kvm_read(3), kvm_mkdb(8)
June 5, 2013 OpenBSD-current