| | 1 | /* mydtrace.h |
| | 2 | * |
| | 3 | * Copyright (C) 2008, 2010, 2011 by Larry Wall and others |
| | 4 | * |
| | 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. |
| | 7 | * |
| | 8 | * Provides macros that wrap the various DTrace probes we use. We add |
| | 9 | * an extra level of wrapping to encapsulate the _ENABLED tests. |
| | 10 | */ |
| | 11 | |
| | 12 | #if defined(USE_DTRACE) && defined(PERL_CORE) |
| | 13 | |
| | 14 | # include "perldtrace.h" |
| | 15 | |
| | 16 | # if defined(STAP_PROBE_ADDR) && !defined(DEBUGGING) |
| | 17 | |
| | 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 |
| | 20 | * with a temporary. |
| | 21 | */ |
| | 22 | |
| | 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); \ |
| | 27 | } |
| | 28 | |
| | 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); \ |
| | 33 | } |
| | 34 | |
| | 35 | # define LOADING_FILE_PROBE(name) \ |
| | 36 | if (PERL_LOADING_FILE_ENABLED()) { \ |
| | 37 | const char *tmp_name = name; \ |
| | 38 | PERL_LOADING_FILE(tmp_name); \ |
| | 39 | } |
| | 40 | |
| | 41 | # define LOADED_FILE_PROBE(name) \ |
| | 42 | if (PERL_LOADED_FILE_ENABLED()) { \ |
| | 43 | const char *tmp_name = name; \ |
| | 44 | PERL_LOADED_FILE(tmp_name); \ |
| | 45 | } |
| | 46 | |
| | 47 | # else |
| | 48 | |
| | 49 | # define ENTRY_PROBE(func, file, line, stash) \ |
| | 50 | if (PERL_SUB_ENTRY_ENABLED()) { \ |
| | 51 | PERL_SUB_ENTRY(func, file, line, stash); \ |
| | 52 | } |
| | 53 | |
| | 54 | # define RETURN_PROBE(func, file, line, stash) \ |
| | 55 | if (PERL_SUB_RETURN_ENABLED()) { \ |
| | 56 | PERL_SUB_RETURN(func, file, line, stash); \ |
| | 57 | } |
| | 58 | |
| | 59 | # define LOADING_FILE_PROBE(name) \ |
| | 60 | if (PERL_LOADING_FILE_ENABLED()) { \ |
| | 61 | PERL_LOADING_FILE(name); \ |
| | 62 | } |
| | 63 | |
| | 64 | # define LOADED_FILE_PROBE(name) \ |
| | 65 | if (PERL_LOADED_FILE_ENABLED()) { \ |
| | 66 | PERL_LOADED_FILE(name); \ |
| | 67 | } |
| | 68 | |
| | 69 | # endif |
| | 70 | |
| | 71 | # define OP_ENTRY_PROBE(name) \ |
| | 72 | if (PERL_OP_ENTRY_ENABLED()) { \ |
| | 73 | PERL_OP_ENTRY(name); \ |
| | 74 | } |
| | 75 | |
| | 76 | # define PHASE_CHANGE_PROBE(new_phase, old_phase) \ |
| | 77 | if (PERL_PHASE_CHANGE_ENABLED()) { \ |
| | 78 | PERL_PHASE_CHANGE(new_phase, old_phase); \ |
| | 79 | } |
| | 80 | |
| | 81 | #else |
| | 82 | |
| | 83 | /* NOPs */ |
| | 84 | # define ENTRY_PROBE(func, file, line, stash) |
| | 85 | # define RETURN_PROBE(func, file, line, stash) |
| | 86 | # define PHASE_CHANGE_PROBE(new_phase, old_phase) |
| | 87 | # define OP_ENTRY_PROBE(name) |
| | 88 | # define LOADING_FILE_PROBE(name) |
| | 89 | # define LOADED_FILE_PROBE(name) |
| | 90 | |
| | 91 | #endif |
| | 92 | |
| | 93 | /* |
| | 94 | * Local variables: |
| | 95 | * c-indentation-style: bsd |
| | 96 | * c-basic-offset: 4 |
| | 97 | * indent-tabs-mode: nil |
| | 98 | * End: |
| | 99 | * |
| | 100 | * ex: set ts=8 sts=4 sw=4 et: |
| | 101 | */ |
https://perl5.git.perl.org / perl5.git / blame_incremental