diff options
Diffstat (limited to 'tools/perf/util/dwarf-aux.c')
| -rw-r--r-- | tools/perf/util/dwarf-aux.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index 44ef968a7ad3..92eb9c8dc3e5 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -267,7 +267,7 @@ Dwarf_Die *die_get_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem) } /* Get a type die, but skip qualifiers */ -static Dwarf_Die *__die_get_real_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem) +Dwarf_Die *__die_get_real_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem) { int tag; @@ -1444,7 +1444,7 @@ static int __die_find_var_reg_cb(Dwarf_Die *die_mem, void *arg) while ((off = dwarf_getlocations(&attr, off, &base, &start, &end, &ops, &nops)) > 0) { /* Assuming the location list is sorted by address */ - if (end < data->pc) + if (end <= data->pc) continue; if (start > data->pc) break; @@ -1598,6 +1598,9 @@ static int __die_collect_vars_cb(Dwarf_Die *die_mem, void *arg) if (dwarf_getlocations(&attr, 0, &base, &start, &end, &ops, &nops) <= 0) return DIE_FIND_CB_SIBLING; + if (!check_allowed_ops(ops, nops)) + return DIE_FIND_CB_SIBLING; + if (die_get_real_type(die_mem, &type_die) == NULL) return DIE_FIND_CB_SIBLING; @@ -1974,8 +1977,15 @@ static int __die_find_member_offset_cb(Dwarf_Die *die_mem, void *arg) return DIE_FIND_CB_SIBLING; /* Unions might not have location */ - if (die_get_data_member_location(die_mem, &loc) < 0) - loc = 0; + if (die_get_data_member_location(die_mem, &loc) < 0) { + Dwarf_Attribute attr; + + if (dwarf_attr_integrate(die_mem, DW_AT_data_bit_offset, &attr) && + dwarf_formudata(&attr, &loc) == 0) + loc /= 8; + else + loc = 0; + } if (offset == loc) return DIE_FIND_CB_END; |