62e5f89c34
2012-04-27 Sergio Durigan Junior <sergiodj@redhat.com> Tom Tromey <tromey@redhat.com> * gdb.texinfo (Static Probe Points): New entry, explaining SystemTap and generic static probe support on GDB. gdb/testsuite/ChangeLog: 2012-04-27 Sergio Durigan Junior <sergiodj@redhat.com> Tom Tromey <tromey@redhat.com> * gdb.base/default.exp: Add `$_probe_arg*' convenience variables. * gdb.base/stap-probe.c: New file. * gdb.base/stap-probe.exp: New file. * gdb.trace/stap-trace.c: New file. * gdb.trace/stap-trace.exp: New file. * gdb.cp/nextoverthrow.exp: Add check for SystemTap probe in libgcc's unwinder.
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2012 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if USE_PROBES
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#define _SDT_HAS_SEMAPHORES
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__extension__ unsigned short test_user_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes")));
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#define TEST test_user_semaphore
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__extension__ unsigned short test_two_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes")));
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#define TEST2 test_two_semaphore
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#else
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#define TEST 1
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#define TEST2 1
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#endif /* USE_PROBES */
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#include <sys/sdt.h>
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/* We only support SystemTap and only the v3 form. */
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#if _SDT_NOTE_TYPE != 3
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#error "not using SystemTap v3 probes"
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#endif
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void
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m1 (int x)
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{
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if (TEST2)
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STAP_PROBE1 (test, two, x);
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}
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int
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f (int x)
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{
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if (TEST)
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STAP_PROBE1(test, user, x);
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return x+5;
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}
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void
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nothing (void)
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{
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int a = 1 + 1;
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return;
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}
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int
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main()
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{
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f (f (23));
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m1 (46);
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nothing (); /* end-here */
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return 0;
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}
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