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authorAlan Modra <amodra@gmail.com>2017-10-01 17:39:00 +1030
committerAlan Modra <amodra@gmail.com>2017-10-01 19:35:07 +1030
commit20230942fe3674150ab661738d72f1618b3d4b1b (patch)
treee3c9dc5d99b07219d5fd6abee2920f4dadb10c98 /bfd/dwarf2.c
parentd2e6c9a3682f0ac811ac1676d221c55162938b61 (diff)
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PR21957, addr2line incorrectly handles non-increasing sequences in line table
PR 21957 * dwarf2.c (new_line_sorts_after): Remove end_sequence comparison. (add_line_info): Always put end_sequence last.
Diffstat (limited to 'bfd/dwarf2.c')
-rw-r--r--bfd/dwarf2.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
index 4cf50cc..248e621 100644
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -1420,9 +1420,7 @@ new_line_sorts_after (struct line_info *new_line, struct line_info *line)
{
return (new_line->address > line->address
|| (new_line->address == line->address
- && (new_line->op_index > line->op_index
- || (new_line->op_index == line->op_index
- && new_line->end_sequence < line->end_sequence))));
+ && new_line->op_index > line->op_index));
}
@@ -1508,7 +1506,8 @@ add_line_info (struct line_info_table *table,
table->sequences = seq;
table->num_sequences++;
}
- else if (new_line_sorts_after (info, seq->last_line))
+ else if (info->end_sequence
+ || new_line_sorts_after (info, seq->last_line))
{
/* Normal case: add 'info' to the beginning of the current sequence. */
info->prev_line = seq->last_line;