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correlate symbols also by type

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Both unpatched and patched objects may contain FILE
symbol with empty name. This is unexpected for
create-diff-object and could correlate 2 symbols
with same (empty) name but different types:
  sym 00, type 0, bind 0, ndx 00, name  (SAME)
  ...
  sym 425, type 4, bind 0, ndx 65521, name  (SAME)
  ...
  signal.o: changed function: do_rt_tgsigqueueinfo
  signal.o: changed function: do_rt_sigqueueinfo
  signal.o: changed function: get_signal_to_deliver
  signal.o: signal.o: changed section .rela__jump_table not selected for inclusion
  signal.o: 1 unsupported section change(s)
  /root/kpatch/kpatch-build/create-diff-object: unreconcilable difference

Introduce condition to match symbols also by type.

Signed-off-by: Jan Stancek <jstancek@redhat.com>
This commit is contained in:
Jan Stancek 2014-05-27 19:18:35 +02:00
parent 6aee215b04
commit ff88218d9e
1 changed files with 2 additions and 1 deletions
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3
kpatch-build/create-diff-object.c
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@ -626,7 +626,8 @@ void kpatch_correlate_symbols(struct list_head *symlist1, struct list_head *syml
list_for_each_entry(sym1, symlist1, list) {
list_for_each_entry(sym2, symlist2, list) {
if (!strcmp(sym1->name, sym2->name)) {
if (!strcmp(sym1->name, sym2->name) &&
sym1->type == sym2->type) {
sym1->twin = sym2;
sym2->twin = sym1;
/* set initial status, might change */