diff options
Diffstat (limited to 'tools/perf/util/probe-finder.c')
| -rw-r--r-- | tools/perf/util/probe-finder.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 32b81f707ff..a2d1f790d93 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -160,26 +160,35 @@ static bool die_compare_name(Dwarf_Die *dw_die, const char *tname) return name ? (strcmp(tname, name) == 0) : false; } +/* Get type die */ +static Dwarf_Die *die_get_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem) +{ + Dwarf_Attribute attr; + + if (dwarf_attr_integrate(vr_die, DW_AT_type, &attr) && + dwarf_formref_die(&attr, die_mem)) + return die_mem; + else + return NULL; +} + /* Get type die, but skip qualifiers and typedef */ static Dwarf_Die *die_get_real_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem) { - Dwarf_Attribute attr; int tag; do { - if (dwarf_attr(vr_die, DW_AT_type, &attr) == NULL || - dwarf_formref_die(&attr, die_mem) == NULL) - return NULL; - - tag = dwarf_tag(die_mem); - vr_die = die_mem; + vr_die = die_get_type(vr_die, die_mem); + if (!vr_die) + break; + tag = dwarf_tag(vr_die); } while (tag == DW_TAG_const_type || tag == DW_TAG_restrict_type || tag == DW_TAG_volatile_type || tag == DW_TAG_shared_type || tag == DW_TAG_typedef); - return die_mem; + return vr_die; } static bool die_is_signed_type(Dwarf_Die *tp_die) |