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36 .\" @(#)kvm_read.3 8.1 (Berkeley) 6/4/93
44 .Nd read or write kernel virtual memory
48 .Fn kvm_read "kvm_t *kd" "u_long addr" "void *buf" "size_t nbytes"
50 .Fn kvm_write "kvm_t *kd" "u_long addr" "const void *buf" "size_t nbytes"
56 functions are used to read and write kernel virtual memory (or a crash
61 for information regarding opening kernel virtual memory and crash dumps.
68 the kernel space address
78 Unlike their SunOS counterparts, these functions cannot be used to
79 read or write process address spaces.
81 Upon success, the number of bytes actually transferred is returned.
82 Otherwise, -1 is returned.