1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
function utf16_addr:long() %{
static u16 utf16_string[] = {
0x73, 0x74, 0x61, 0x70, // "stap" (one-byte UTF-8 each)
0x7F, 0x80, // last one-byte, first two-byte
0x391, 0x3A9, // "ΑΩ" (two-byte UTF-8 each)
0x7FF, 0x800, // last two-byte, first three-byte
0x263A, // "☺" (three-byte UTF-8)
0xFFFF, 0xD800, 0xDC00, // last three-byte, first four-byte
0xD83D, 0xDE08, // U+1F608 "😈" (four-byte UTF-8)
0xDBFF, 0xDFFF, // last supported four-byte
0
};
STAP_RETVALUE = (intptr_t)utf16_string;
%}
function utf32_addr:long() %{
static u32 utf32_string[] = {
0x73, 0x74, 0x61, 0x70, // "stap" (one-byte UTF-8 each)
0x7F, 0x80, // last one-byte, first two-byte
0x391, 0x3A9, // "ΑΩ" (two-byte UTF-8 each)
0x7FF, 0x800, // last two-byte, first three-byte
0x263A, // "☺" (three-byte UTF-8)
0xFFFF, 0x10000, // last three-byte, first four-byte
0x1F608, // "😈" (four-byte UTF-8)
0x10FFFF, // last supported four-byte
0
};
STAP_RETVALUE = (intptr_t)utf32_string;
%}
probe begin
{
s = utf16_addr();
for (p = s; i = kernel_short(p) & 0xffff; p += 2)
printf("%X ", i)
println(":")
println(kernel_string_utf16(s))
println(kernel_string_quoted_utf16(s))
s = utf32_addr();
for (p = s; i = kernel_int(p) & 0xffffffff; p += 4)
printf("%X ", i)
println(":")
println(kernel_string_utf32(s))
println(kernel_string_quoted_utf32(s))
exit()
}
|
