3 * Copyright (C) 2008, 2010, 2011 by Larry Wall and others
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8 * Provides macros that wrap the various DTrace probes we use. We add
9 * an extra level of wrapping to encapsulate the _ENABLED tests.
12 #if defined(USE_DTRACE) && defined(PERL_CORE)
14 # include "perldtrace.h"
16 # if defined(STAP_PROBE_ADDR) && !defined(DEBUGGING)
18 /* SystemTap 1.2 uses a construct that chokes on passing a char array
19 * as a char *, in this case hek_key in struct hek. Workaround it
23 # define ENTRY_PROBE(func, file, line, stash) \
24 if (PERL_SUB_ENTRY_ENABLED()) { \
25 const char *tmp_func = func; \
26 PERL_SUB_ENTRY(tmp_func, file, line, stash); \
29 # define RETURN_PROBE(func, file, line, stash) \
30 if (PERL_SUB_RETURN_ENABLED()) { \
31 const char *tmp_func = func; \
32 PERL_SUB_RETURN(tmp_func, file, line, stash); \
35 # define OP_ENTRY_PROBE(name) \
36 if (PERL_OP_ENTRY_ENABLED()) { \
37 const char *tmp_name = name; \
38 PERL_OP_ENTRY(tmp_name, file, line, stash); \
43 # define ENTRY_PROBE(func, file, line, stash) \
44 if (PERL_SUB_ENTRY_ENABLED()) { \
45 PERL_SUB_ENTRY(func, file, line, stash); \
48 # define RETURN_PROBE(func, file, line, stash) \
49 if (PERL_SUB_RETURN_ENABLED()) { \
50 PERL_SUB_RETURN(func, file, line, stash); \
53 # define OP_ENTRY_PROBE(name) \
54 if (PERL_OP_ENTRY_ENABLED()) { \
55 PERL_OP_ENTRY(name); \
60 # define PHASE_CHANGE_PROBE(new_phase, old_phase) \
61 if (PERL_PHASE_CHANGE_ENABLED()) { \
62 PERL_PHASE_CHANGE(new_phase, old_phase); \
68 # define ENTRY_PROBE(func, file, line, stash)
69 # define RETURN_PROBE(func, file, line, stash)
70 # define PHASE_CHANGE_PROBE(new_phase, old_phase)
71 # define OP_ENTRY_PROBE(name)
77 * c-indentation-style: bsd
79 * indent-tabs-mode: nil
82 * ex: set ts=8 sts=4 sw=4 et: