function::returnstr
名称
function::returnstr — Formats the return value as a string
Synopsis
returnstr:string(format:long)
Arguments
format
- Variable to determine return type base value
Description
This function is used by the nd_syscall tapset, and returns a string. Set format equal to 1 for a decimal, 2 for hex, 3 for octal.
Note that this function should only be used in dwarfless probes (i.e. 'kprobe.function(“foo”)'). Other probes should use
return_str
.