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re PR other/56076 (Several 64-bit libgo tests FAIL in read_line_header) 

PR other/56076
	* dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
	attribute was not seen.

From-SVN: r195478
This commit is contained in:
Jakub Jelinek 2013-01-25 23:36:11 +01:00 committed by Ian Lance Taylor
parent 6da1b88f06
commit 1e678aed6c
2 changed files with 8 additions and 1 deletions
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6
libbacktrace/ChangeLog
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@ -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.

3
libbacktrace/dwarf.c
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@ -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
{