File: stap-trace.c

package info (click to toggle)
gdb-doc 16.3-1
  • links: PTS, VCS
  • area: non-free
  • in suites: forky, sid, trixie
  • size: 244,264 kB
  • sloc: ansic: 2,134,731; asm: 375,582; exp: 206,875; cpp: 73,639; makefile: 70,232; sh: 26,038; python: 13,697; yacc: 11,341; ada: 7,358; xml: 6,098; perl: 5,077; pascal: 3,389; tcl: 2,986; f90: 2,764; lisp: 1,984; cs: 879; lex: 738; sed: 228; awk: 181; objc: 137; fortran: 57
file content (71 lines) | stat: -rw-r--r-- 1,580 bytes parent folder | download | duplicates (6)
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
/* This testcase is part of GDB, the GNU debugger.

   Copyright 2012-2024 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 <http://www.gnu.org/licenses/>.  */

#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

#else

#define TEST 1
#define TEST2 1

#endif /* USE_PROBES */

#include <sys/sdt.h>

/* We only support SystemTap and only the v3 form.  */
#if _SDT_NOTE_TYPE != 3
#error "not using SystemTap v3 probes"
#endif

void
m1 (int x)
{
  if (TEST2)
    STAP_PROBE1 (test, two, x);
}

int
f (int x)
{
  if (TEST)
    STAP_PROBE1(test, user, x);
  return x+5;
}

void
nothing (void)
{
  int a = 1 + 1;
  return;
}

int
main()
{
  f (f (23));
  m1 (46);
  nothing (); /* end-here */

  return 0;
}