static dr_emit_flags_t
event_instruction(void *drcontext, void *tag, instrlist_t *bb, instr_t *instr,
bool for_trace, bool translating, void *user_data)
{
/* ignore tool-inserted instrumentation */
if (!instr_is_app(instr))
return DR_EMIT_DEFAULT;
/* instrument calls and returns -- ignore far calls/rets */
if (instr_is_call_direct(instr)) {
insert_counter_update(drcontext, bb, instr,
offsetof(per_thread_t, num_direct_calls));
} else if (instr_is_call_indirect(instr)) {
insert_counter_update(drcontext, bb, instr,
offsetof(per_thread_t, num_indirect_calls));
} else if (instr_is_return(instr)) {
insert_counter_update(drcontext, bb, instr, offsetof(per_thread_t, num_returns));
}
return DR_EMIT_DEFAULT;
}
static dr_emit_flags_t
event_basic_block(void *drcontext, void *tag, instrlist_t *bb,
bool for_trace, bool translating)
{
instr_t *instr, *next_instr;
#ifdef VERBOSE
dr_printf("in dynamorio_basic_block(tag="PFX")\n", tag);
# ifdef VERBOSE_VERBOSE
instrlist_disassemble(drcontext, tag, bb, STDOUT);
# endif
#endif
for (instr = instrlist_first(bb); instr != NULL; instr = next_instr) {
/* grab next now so we don't go over instructions we insert */
next_instr = instr_get_next(instr);
/* instrument calls and returns -- ignore far calls/rets */
if (instr_is_call_direct(instr)) {
insert_counter_update(drcontext, bb, instr,
offsetof(per_thread_t, num_direct_calls));
} else if (instr_is_call_indirect(instr)) {
insert_counter_update(drcontext, bb, instr,
offsetof(per_thread_t, num_indirect_calls));
} else if (instr_is_return(instr)) {
insert_counter_update(drcontext, bb, instr,
offsetof(per_thread_t, num_returns));
}
}
#if defined(VERBOSE) && defined(VERBOSE_VERBOSE)
dr_printf("Finished instrumenting dynamorio_basic_block(tag="PFX")\n", tag);
instrlist_disassemble(drcontext, tag, bb, STDOUT);
#endif
return DR_EMIT_DEFAULT;
}
