diff options
Diffstat (limited to 'src/debug/macho')
| -rw-r--r-- | src/debug/macho/file.go | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/src/debug/macho/file.go b/src/debug/macho/file.go index 7b11bb2954..fcf28c4b25 100644 --- a/src/debug/macho/file.go +++ b/src/debug/macho/file.go @@ -610,15 +610,33 @@ func (f *File) Section(name string) *Section { // DWARF returns the DWARF debug information for the Mach-O file. func (f *File) DWARF() (*dwarf.Data, error) { dwarfSuffix := func(s *Section) string { + sectname := s.Name + var pfx int switch { - case strings.HasPrefix(s.Name, "__debug_"): - return s.Name[8:] - case strings.HasPrefix(s.Name, "__zdebug_"): - return s.Name[9:] + case strings.HasPrefix(sectname, "__debug_"): + pfx = 8 + case strings.HasPrefix(sectname, "__zdebug_"): + pfx = 9 default: return "" } - + // Mach-O executables truncate section names to 16 characters, mangling some DWARF sections. + // As of DWARFv5 these are the only problematic section names (see DWARFv5 Appendix G). + for _, longname := range []string{ + "__debug_str_offsets", + "__zdebug_line_str", + "__zdebug_loclists", + "__zdebug_pubnames", + "__zdebug_pubtypes", + "__zdebug_rnglists", + "__zdebug_str_offsets", + } { + if sectname == longname[:16] { + sectname = longname + break + } + } + return sectname[pfx:] } sectionData := func(s *Section) ([]byte, error) { b, err := s.Data() |