diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/kallsyms.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index c07ccfad0319..090ffda4adbc 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -184,6 +184,15 @@ symbol_valid(struct sym_entry *s) if ((s->addr < _stext || s->addr > _etext) && (s->addr < _sinittext || s->addr > _einittext)) return 0; + /* Corner case. Discard any symbols with the same value as + * _etext or _einittext, they can move between pass 1 and 2 + * when the kallsyms data is added. If these symbols move then + * they may get dropped in pass 2, which breaks the kallsyms + * rules. + */ + if ((s->addr == _etext && strcmp(s->sym + 1, "_etext")) || + (s->addr == _einittext && strcmp(s->sym + 1, "_einittext"))) + return 0; } /* Exclude symbols which vary between passes. */ |