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function foo:string (x:long) %{ /* bpf */ /* pure */
/* if x <= 10 then "fifty" else "one-hundred" */
0xd5, $x, -, _bar, 10; /* jsle $x, 10, _bar */
0xbf, $$, "one-hundred", -, -; /* mov $$, "one-hundred" */
0x05, -, -, _done, -; /* ja _done; */
label, _bar;
0xbf, $$, "fifty", -, -; /* mov $$, "fifty" */
label, _done;
/* 0xbf, $$, $$, -, -; /* dummy op */
%}
function bar:string (x:long) {
if (x <= 10) return "fifty" else return "one-hundred"
}
probe begin {
printf("U foo(1)=%s should be %s\n", foo(1), bar(1))
printf("U foo(8)=%s should be %s\n", foo(8), bar(8))
printf("U foo(15)=%s should be %s\n", foo(15), bar(15))
}
probe kernel.function("vfs_read") {
printf("K foo(1)=%s should be %s\n", foo(1), bar(1))
printf("K foo(8)=%s should be %s\n", foo(8), bar(8))
printf("K foo(15)=%s should be %s\n", foo(15), bar(15))
exit()
}
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