diff options
| author | xtkoba+ruby@gmail.com <xtkoba+ruby@gmail.com> | 2021-08-13 13:45:53 +0000 |
|---|---|---|
| committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2021-08-14 23:57:52 +0900 |
| commit | 72317b333b85eed483ad00bcd4f40944019a7c13 (patch) | |
| tree | 58bdec1684e4cc234e61a47c7732e2f0662ca422 /addr2line.c | |
| parent | 29dd70492eb3e3f0018c01fb3fa4ce77029a208f (diff) | |
Ignore `DW_FORM_ref_addr` [Bug #17052]
Ignore `DW_FORM_ref_addr` form and other forms that are not supposed
to be used currently.
Diffstat (limited to 'addr2line.c')
| -rw-r--r-- | addr2line.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/addr2line.c b/addr2line.c index fed1a8da84..92c6da5e3b 100644 --- a/addr2line.c +++ b/addr2line.c @@ -1593,14 +1593,31 @@ di_read_cu(DebugInfoReader *reader) } static void -read_abstract_origin(DebugInfoReader *reader, uint64_t abstract_origin, line_info_t *line) +read_abstract_origin(DebugInfoReader *reader, uint64_t form, uint64_t abstract_origin, line_info_t *line) { const char *p = reader->p; const char *q = reader->q; int level = reader->level; DIE die; - reader->p = reader->current_cu + abstract_origin; + switch (form) { + case DW_FORM_ref1: + case DW_FORM_ref2: + case DW_FORM_ref4: + case DW_FORM_ref8: + case DW_FORM_ref_udata: + reader->p = reader->current_cu + abstract_origin; + break; + case DW_FORM_ref_addr: + goto finish; /* not supported yet */ + case DW_FORM_ref_sig8: + goto finish; /* not supported yet */ + case DW_FORM_ref_sup4: + case DW_FORM_ref_sup8: + goto finish; /* not supported yet */ + default: + goto finish; + } if (!di_read_die(reader, &die)) goto finish; /* enumerate abbrev */ @@ -1665,7 +1682,7 @@ debug_info_read(DebugInfoReader *reader, int num_traces, void **traces, /* 1 or 3 */ break; /* goto skip_die; */ case DW_AT_abstract_origin: - read_abstract_origin(reader, v.as.uint64, &line); + read_abstract_origin(reader, v.form, v.as.uint64, &line); break; /* goto skip_die; */ } } |