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/* mydtrace.h * * Copyright (C) 2008, 2010, 2011 by Larry Wall and others * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. * * Provides macros that wrap the various DTrace probes we use. We add * an extra level of wrapping to encapsulate the _ENABLED tests. */ #if defined(USE_DTRACE) && defined(PERL_CORE) # include "perldtrace.h" # if defined(STAP_PROBE_ADDR) && !defined(DEBUGGING) /* SystemTap 1.2 uses a construct that chokes on passing a char array * as a char *, in this case hek_key in struct hek. Workaround it * with a temporary. */ # define ENTRY_PROBE(func, file, line, stash) \ if (PERL_SUB_ENTRY_ENABLED()) { \ const char *tmp_func = func; \ PERL_SUB_ENTRY(tmp_func, file, line, stash); \ } # define RETURN_PROBE(func, file, line, stash) \ if (PERL_SUB_RETURN_ENABLED()) { \ const char *tmp_func = func; \ PERL_SUB_RETURN(tmp_func, file, line, stash); \ } # else # define ENTRY_PROBE(func, file, line, stash) \ if (PERL_SUB_ENTRY_ENABLED()) { \ PERL_SUB_ENTRY(func, file, line, stash); \ } # define RETURN_PROBE(func, file, line, stash) \ if (PERL_SUB_RETURN_ENABLED()) { \ PERL_SUB_RETURN(func, file, line, stash); \ } # endif # define PHASE_CHANGE_PROBE(new_phase, old_phase) \ if (PERL_PHASE_CHANGE_ENABLED()) { \ PERL_PHASE_CHANGE(new_phase, old_phase); \ } #else /* NOPs */ # define ENTRY_PROBE(func, file, line, stash) # define RETURN_PROBE(func, file, line, stash) # define PHASE_CHANGE_PROBE(new_phase, old_phase) #endif /* * Local variables: * c-indentation-style: bsd * c-basic-offset: 4 * indent-tabs-mode: t * End: * * ex: set ts=8 sts=4 sw=4 noet: */