/* This testcase is part of GDB, the GNU debugger. Copyright 2012 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #if USE_PROBES #define _SDT_HAS_SEMAPHORES __extension__ unsigned short test_user_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); #define TEST test_user_semaphore __extension__ unsigned short test_two_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); #define TEST2 test_two_semaphore __extension__ unsigned short test_m4_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); __extension__ unsigned short test_pstr_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); __extension__ unsigned short test_ps_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes"))); #else #define TEST 1 #define TEST2 1 #endif #include /* We only support SystemTap and only the v3 form. */ #if _SDT_NOTE_TYPE != 3 #error "not using SystemTap v3 probes" #endif struct funcs { int val; const char *(*ps) (int); }; static void m1 (void) { if (TEST2) STAP_PROBE (test, two); } static void m2 (void) { if (TEST2) STAP_PROBE (test, two); } static int f (int x) { if (TEST) STAP_PROBE1 (test, user, x); return x+5; } static const char * pstr (int val) { const char *a = "This is a test message."; const char *b = "This is another test message."; STAP_PROBE3 (test, ps, a, b, val); return val == 0 ? a : b; } static void m4 (const struct funcs *fs, int v) { STAP_PROBE3 (test, m4, fs->val, fs->ps (v), v); } int main() { struct funcs fs; fs.val = 42; fs.ps = pstr; f (f (23)); m1 (); m2 (); m4 (&fs, 0); m4 (&fs, 1); return 0; /* last break here */ }