diff options
author | ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-25 22:36:11 +0000 |
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committer | ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-25 22:36:11 +0000 |
commit | c4e0613eb427e516f1b6c1b919e68be64a9015fd (patch) | |
tree | a3800df00dc292230cbe85bb6e552ce5651a299d /libbacktrace | |
parent | ab27031294979ae938797267db4a519af41804a1 (diff) | |
download | gcc-c4e0613eb427e516f1b6c1b919e68be64a9015fd.tar.gz |
PR other/56076
* dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
attribute was not seen.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@195478 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libbacktrace')
-rw-r--r-- | libbacktrace/ChangeLog | 6 | ||||
-rw-r--r-- | libbacktrace/dwarf.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog index 25a56d92e22..b8755cfb60b 100644 --- a/libbacktrace/ChangeLog +++ b/libbacktrace/ChangeLog @@ -1,3 +1,9 @@ +2013-01-25 Jakub Jelinek <jakub@redhat.com> + + PR other/56076 + * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir + attribute was not seen. + 2013-01-16 Ian Lance Taylor <iant@google.com> * dwarf.c (struct unit): Add filename and abs_filename fields. diff --git a/libbacktrace/dwarf.c b/libbacktrace/dwarf.c index ce12bdc48a3..3cdbb428b6e 100644 --- a/libbacktrace/dwarf.c +++ b/libbacktrace/dwarf.c @@ -1655,7 +1655,8 @@ read_line_header (struct backtrace_state *state, struct unit *u, strnlen ((const char *) hdr_buf.buf, hdr_buf.left) + 1)) return 0; dir_index = read_uleb128 (&hdr_buf); - if (IS_ABSOLUTE_PATH (filename)) + if (IS_ABSOLUTE_PATH (filename) + || (dir_index == 0 && u->comp_dir == NULL)) hdr->filenames[i] = filename; else { |