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KVM_NLIST (3) | C library functions | Unix Manual Pages | :man

NAME

kvm_nlist - retrieve symbol table names from a kernel image

CONTENTS

Library
Synopsis
Description
Return Values
See Also

LIBRARY


.Lb libkvm

SYNOPSIS


.In kvm.h
.In nlist.h int kvm_nlist "kvm_t *kd" "struct nlist *nl"

DESCRIPTION

The kvm_nlist function 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 kldsym(2) system call is used to locate the symbol. This is a less than perfect emulation of the nlist values but has the advantage of being aware of kernel modules and is reasonably fast.

RETURN VALUES

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

SEE ALSO

kldsym(2), 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)


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