perf/util/probe-finder.c

54  * If fentry == true and vr_die is a parameter, do heuristic search
57 static int convert_variable_location(Dwarf_Die *vr_die, Dwarf_Addr addr,
72 	if (dwarf_attr(vr_die, DW_AT_external, &attr) != NULL)
76 	if (dwarf_attr(vr_die, DW_AT_const_value, &attr) &&
90 	if (dwarf_attr(vr_die, DW_AT_location, &attr) == NULL)
98 			(dwarf_tag(vr_die) == DW_TAG_variable)) {
101 			dwarf_tag(vr_die) != DW_TAG_formal_parameter) {
129 		ret = strlen(dwarf_diename(vr_die));
133 		snprintf(tvar->value, ret + 2, "@%s", dwarf_diename(vr_die));
189 static int convert_variable_type(Dwarf_Die *vr_die,
211 	bsize = dwarf_bitsize(vr_die);
214 		boffs = dwarf_bitoffset(vr_die);
215 		total = dwarf_bytesize(vr_die);
223 	if (die_get_real_type(vr_die, &type) == NULL) {
225 			   dwarf_diename(vr_die));
230 		 dwarf_diename(vr_die), dwarf_diename(&type));
239 				   dwarf_diename(vr_die), dwarf_diename(&type));
262 				   dwarf_diename(vr_die));
308 static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
319 	if (die_get_real_type(vr_die, &type) == NULL) {
390 		if (field->ref && dwarf_diename(vr_die)) {
445 static int convert_variable(Dwarf_Die *vr_die, struct probe_finder *pf)
451 		 dwarf_diename(vr_die));
453 	ret = convert_variable_location(vr_die, pf->addr, pf->fb_ops,
463 		ret = convert_variable_fields(vr_die, pf->pvar->var,
466 		vr_die = &die_mem;
469 		ret = convert_variable_type(vr_die, pf->tvar, pf->pvar->type,
478 	Dwarf_Die vr_die;
502 	if (!die_find_variable_at(sc_die, pf->pvar->var, pf->addr, &vr_die)) {
505 						0, &vr_die)) {
514 		ret = convert_variable(&vr_die, pf);