1*a1e26a70SApple OSS Distributions#!/usr/local/bin/recon 2*a1e26a70SApple OSS Distributions 3*a1e26a70SApple OSS Distributionslocal ktrace = require 'ktrace' 4*a1e26a70SApple OSS Distributions 5*a1e26a70SApple OSS Distributionsif not arg[1] or arg[1] == '-h' then 6*a1e26a70SApple OSS Distributions print[[ 7*a1e26a70SApple OSS Distributionsusage: ktruss <syscall-name> [<more-names> ...] 8*a1e26a70SApple OSS Distributions 9*a1e26a70SApple OSS DistributionsUse Kernel TRace to print User Space Syscalls (ktruss).]] 10*a1e26a70SApple OSS Distributions os.exit(arg[1] == nil) 11*a1e26a70SApple OSS Distributionsend 12*a1e26a70SApple OSS Distributions 13*a1e26a70SApple OSS Distributionslocal sess = ktrace.Session.new() 14*a1e26a70SApple OSS Distributions 15*a1e26a70SApple OSS Distributionsfor i = 1, #arg do 16*a1e26a70SApple OSS Distributions sess:add_callback_pair('BSC_' .. arg[i], function (start, finish) 17*a1e26a70SApple OSS Distributions print(('%s[%d]: %s(0x%x, 0x%x, 0x%x, 0x%x) -> %d'):format( 18*a1e26a70SApple OSS Distributions sess:procname_for_threadid(start.threadid), 19*a1e26a70SApple OSS Distributions sess:pid_for_threadid(start.threadid), arg[1], start[1], start[2], 20*a1e26a70SApple OSS Distributions start[3], start[4], finish[2])) 21*a1e26a70SApple OSS Distributions end) 22*a1e26a70SApple OSS Distributionsend 23*a1e26a70SApple OSS Distributions 24*a1e26a70SApple OSS Distributionslocal ok, err = sess:start() 25*a1e26a70SApple OSS Distributionsif not ok then 26*a1e26a70SApple OSS Distributions io.stderr:write('tracing failed: ', err, '\n') 27*a1e26a70SApple OSS Distributions os.exit(1) 28*a1e26a70SApple OSS Distributionsend 29