2010-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ Fix stale memory references.
+ * elfread.c (elf_symfile_read): Replace xmalloc by bfd_alloc, drop
+ xfree, new comment.
+
+2010-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
Tom Tromey <tromey@redhat.com>
* Makefile.in (.y.c): Directly create $@ from YLWRAP.
if (storage_needed > 0)
{
- dyn_symbol_table = (asymbol **) xmalloc (storage_needed);
- make_cleanup (xfree, dyn_symbol_table);
+ /* Memory gets permanently referenced from ABFD after
+ bfd_get_synthetic_symtab so it must not get freed before ABFD gets.
+ It happens only in the case when elf_slurp_reloc_table sees
+ asection->relocation NULL. Determining which section is asection is
+ done by _bfd_elf_get_synthetic_symtab which is all a bfd
+ implementation detail, though. */
+
+ dyn_symbol_table = bfd_alloc (abfd, storage_needed);
dynsymcount = bfd_canonicalize_dynamic_symtab (objfile->obfd,
dyn_symbol_table);