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* readelf.c (display_debug_frames): Don't crash for mismatched 

DW_CFA_restore_state.
This commit is contained in:
Richard Henderson 2004-03-22 03:55:50 +00:00
parent b2a8e7660e
commit 8c9a987975
2 changed files with 18 additions and 7 deletions
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5
binutils/ChangeLog
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@ -1,3 +1,8 @@
2004-03-21 Richard Henderson <rth@redhat.com>
* readelf.c (display_debug_frames): Don't crash for mismatched
DW_CFA_restore_state.
2004-03-19 Alan Modra <amodra@bigpond.net.au>
* Makefile.am: Run "make dep-am".

20
binutils/readelf.c
View File

@ -9150,13 +9150,19 @@ display_debug_frames (Elf_Internal_Shdr *section,
if (! do_debug_frames_interp)
printf (" DW_CFA_restore_state\n");
rs = remembered_state;
remembered_state = rs->next;
frame_need_space (fc, rs->ncols-1);
memcpy (fc->col_type, rs->col_type, rs->ncols);
memcpy (fc->col_offset, rs->col_offset, rs->ncols * sizeof (int));
free (rs->col_type);
free (rs->col_offset);
free (rs);
if (rs)
{
remembered_state = rs->next;
frame_need_space (fc, rs->ncols-1);
memcpy (fc->col_type, rs->col_type, rs->ncols);
memcpy (fc->col_offset, rs->col_offset,
rs->ncols * sizeof (int));
free (rs->col_type);
free (rs->col_offset);
free (rs);
}
else if (do_debug_frames_interp)
printf ("Mismatched DW_CFA_restore_state\n");
break;
case DW_CFA_def_cfa: