perf/util/probe-finder.c

58 				     Dwarf_Op *fb_ops, Dwarf_Die *sp_die,
93 		ret = dwarf_entrypc(sp_die, &tmp);
105 		ret = dwarf_highpc(sp_die, &tmp);
454 					&pf->sp_die, pf->machine, pf->tvar);
520 static int convert_to_trace_point(Dwarf_Die *sp_die, Dwfl_Module *mod,
530 	if (!dwarf_haspc(sp_die, paddr)) {
532 			   dwarf_diename(sp_die));
536 	if (dwarf_entrypc(sp_die, &eaddr) == 0) {
538 		symbol = dwarf_diename(sp_die);
586 		if (!die_find_realfunc(&pf->cu_die, pf->addr, &pf->sp_die)) {
587 			if (die_find_tailfunc(&pf->cu_die, pf->addr, &pf->sp_die)) {
589 						dwarf_diename(&pf->sp_die));
598 		memcpy(&pf->sp_die, sc_die, sizeof(Dwarf_Die));
601 	dwarf_attr(&pf->sp_die, DW_AT_frame_base, &fb_attr);
838 static int find_probe_point_lazy(Dwarf_Die *sp_die, struct probe_finder *pf)
867 	return die_walk_lines(sp_die, probe_point_lazy_walker, pf);
870 static void skip_prologue(Dwarf_Die *sp_die, struct probe_finder *pf)
899 	die_skip_prologue(sp_die, &pf->cu_die, &pf->addr);
941 static int probe_point_search_cb(Dwarf_Die *sp_die, void *data)
949 	if (!die_is_func_def(sp_die) ||
950 	    !die_match_name(sp_die, pp->function))
954 	fname = die_get_decl_file(sp_die);
962 	pr_debug("Matched function: %s [%lx]\n", dwarf_diename(sp_die),
963 		 (unsigned long)dwarf_dieoffset(sp_die));
966 		dwarf_decl_line(sp_die, &pf->lno);
969 	} else if (die_is_func_instance(sp_die)) {
971 		die_entrypc(sp_die, &pf->addr);
975 				 dwarf_diename(sp_die));
979 			param->retval = find_probe_point_lazy(sp_die, pf);
981 			skip_prologue(sp_die, pf);
984 			param->retval = call_probe_finder(sp_die, pf);
988 		param->retval = die_walk_instances(sp_die,
1016 	Dwarf_Die *sp_die;
1025 	if (dwarf_offdie(dbg, gl->die_offset, param->sp_die)) {
1026 		if (dwarf_tag(param->sp_die) != DW_TAG_subprogram)
1029 		if (die_match_name(param->sp_die, param->function)) {
1034 				fname = die_get_decl_file(param->sp_die);
1067 			.sp_die	  = &pf->sp_die,
1077 			ret = probe_point_search_cb(&pf->sp_die, &probe_param);
1177 					      vf->pf->fb_ops, &pf->sp_die,
1265 	ret = convert_to_trace_point(&pf->sp_die, tf->mod, pf->addr,
1406 						af->pf.fb_ops, &af->pf.sp_die,
1431 				ret2 = die_get_var_range(&af->pf.sp_die,
1492 	ret = convert_to_trace_point(&pf->sp_die, af->mod, pf->addr,
1706 static int find_line_range_by_line(Dwarf_Die *sp_die, struct line_finder *lf)
1710 	ret = die_walk_lines(sp_die ?: &lf->cu_die, line_range_walk_cb, lf);
1738 static int line_range_search_cb(Dwarf_Die *sp_die, void *data)
1747 		fname = die_get_decl_file(sp_die);
1752 	if (die_match_name(sp_die, lr->function) && die_is_func_def(sp_die)) {
1753 		lf->fname = die_get_decl_file(sp_die);
1754 		dwarf_decl_line(sp_die, &lr->offset);
1765 		if (!die_is_func_instance(sp_die))
1766 			param->retval = die_walk_instances(sp_die,
1769 			param->retval = find_line_range_by_line(sp_die, lf);
1795 			.cu_die = &lf.cu_die, .sp_die = &lf.sp_die, .found = 0};
1802 			line_range_search_cb(&lf.sp_die, &line_range_param);