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Better handle corner cases of void* DWARF parsing

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* src/abg-dwarf-reader.cc (build_pointer_type_def):  Better
	support cases where the underlying type of the pointer is not
	know.  In that case, the pointer should not be created.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
This commit is contained in:
Dodji Seketeli 2014-07-26 10:07:36 +02:00
parent 2b9bd93b42
commit 9742eb07ba
1 changed files with 4 additions and 1 deletions
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5
src/abg-dwarf-reader.cc
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@ -4703,12 +4703,15 @@ build_pointer_type_def(read_context& ctxt,
decl_base_sptr utype_decl;
Dwarf_Die underlying_type_die;
bool has_underlying_type_die = false;
if (!die_die_attribute(die, DW_AT_type, underlying_type_die))
// If the DW_AT_type attribute is missing, that means we are
// looking at a pointer to "void".
utype_decl = build_ir_node_for_void_type(ctxt);
else
has_underlying_type_die = true;
if (!utype_decl)
if (!utype_decl && has_underlying_type_die)
utype_decl = build_ir_node_from_die(ctxt, &underlying_type_die,
called_from_public_decl,
where_offset);