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62e5f89c SDJ |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
618f726f | 3 | Copyright 2012-2016 Free Software Foundation, Inc. |
62e5f89c SDJ |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #if USE_PROBES | |
19 | ||
20 | #define _SDT_HAS_SEMAPHORES | |
21 | __extension__ unsigned short test_user_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); | |
22 | #define TEST test_user_semaphore | |
23 | ||
24 | __extension__ unsigned short test_two_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); | |
25 | #define TEST2 test_two_semaphore | |
26 | ||
27 | __extension__ unsigned short test_m4_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); | |
28 | ||
29 | __extension__ unsigned short test_pstr_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); | |
30 | ||
31 | __extension__ unsigned short test_ps_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); | |
32 | #else | |
33 | ||
34 | #define TEST 1 | |
35 | #define TEST2 1 | |
36 | ||
37 | #endif | |
38 | ||
39 | #include <sys/sdt.h> | |
40 | ||
41 | /* We only support SystemTap and only the v3 form. */ | |
42 | #if _SDT_NOTE_TYPE != 3 | |
43 | #error "not using SystemTap v3 probes" | |
44 | #endif | |
45 | ||
46 | struct funcs | |
47 | { | |
48 | int val; | |
49 | ||
50 | const char *(*ps) (int); | |
51 | }; | |
52 | ||
53 | static void | |
54 | m1 (void) | |
55 | { | |
56 | if (TEST2) | |
57 | STAP_PROBE (test, two); | |
58 | } | |
59 | ||
60 | static void | |
61 | m2 (void) | |
62 | { | |
63 | if (TEST2) | |
64 | STAP_PROBE (test, two); | |
65 | } | |
66 | ||
67 | static int | |
68 | f (int x) | |
69 | { | |
70 | if (TEST) | |
71 | STAP_PROBE1 (test, user, x); | |
72 | return x+5; | |
73 | } | |
74 | ||
75 | static const char * | |
76 | pstr (int val) | |
77 | { | |
78 | const char *a = "This is a test message."; | |
79 | const char *b = "This is another test message."; | |
80 | ||
81 | STAP_PROBE3 (test, ps, a, b, val); | |
82 | ||
83 | return val == 0 ? a : b; | |
84 | } | |
85 | ||
86 | static void | |
87 | m4 (const struct funcs *fs, int v) | |
88 | { | |
89 | STAP_PROBE3 (test, m4, fs->val, fs->ps (v), v); | |
90 | } | |
91 | ||
92 | int | |
93 | main() | |
94 | { | |
95 | struct funcs fs; | |
96 | ||
97 | fs.val = 42; | |
98 | fs.ps = pstr; | |
99 | ||
100 | f (f (23)); | |
101 | m1 (); | |
102 | m2 (); | |
103 | ||
104 | m4 (&fs, 0); | |
105 | m4 (&fs, 1); | |
106 | ||
107 | return 0; /* last break here */ | |
108 | } |