OLD | NEW |
(Empty) | |
| 1 /* This testcase is part of GDB, the GNU debugger. |
| 2 |
| 3 Copyright 2012 Free Software Foundation, Inc. |
| 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)) __attr
ibute__ ((section (".probes"))); |
| 22 #define TEST test_user_semaphore |
| 23 |
| 24 __extension__ unsigned short test_two_semaphore __attribute__ ((unused)) __attri
bute__ ((section (".probes"))); |
| 25 #define TEST2 test_two_semaphore |
| 26 |
| 27 __extension__ unsigned short test_m4_semaphore __attribute__ ((unused)) __attrib
ute__ ((section (".probes"))); |
| 28 |
| 29 __extension__ unsigned short test_pstr_semaphore __attribute__ ((unused)) __attr
ibute__ ((section (".probes"))); |
| 30 |
| 31 __extension__ unsigned short test_ps_semaphore __attribute__ ((unused)) __attrib
ute__ ((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 } |
OLD | NEW |