def cb_sym(self, symtype, *args):
if symtype == addrxlat.SYM_VALUE:
ms = gdb.lookup_minimal_symbol(args[0])
if ms is not None:
return long(ms.value().address)
elif symtype == addrxlat.SYM_SIZEOF:
sym = gdb.lookup_symbol(args[0], None)[0]
if sym is not None:
return sym.type.sizeof
elif symtype == addrxlat.SYM_OFFSETOF:
sym = gdb.lookup_symbol(args[0], None, gdb.SYMBOL_STRUCT_DOMAIN)[0]
if sym is None:
# this works for typedefs:
sym = gdb.lookup_symbol(args[0], None)[0]
if sym is not None:
return offsetof(sym.type, args[1])
return super(TranslationContext, self).cb_sym(symtype, *args)
def cb_sym(self, symtype, *args):
if symtype == addrxlat.SYM_VALUE:
ms = gdb.lookup_minimal_symbol(args[0])
if ms is not None:
return long(ms.value().address)
elif symtype == addrxlat.SYM_SIZEOF:
sym = gdb.lookup_symbol(args[0], None)[0]
if sym is not None:
return sym.type.sizeof
elif symtype == addrxlat.SYM_OFFSETOF:
sym = gdb.lookup_symbol(args[0], None, gdb.SYMBOL_STRUCT_DOMAIN)[0]
if sym is None:
# this works for typedefs:
sym = gdb.lookup_symbol(args[0], None)[0]
if sym is not None:
return offsetof(sym.type, args[1])
return super(TranslationContext, self).cb_sym(symtype, *args)
def cb_sym(self, symtype: int, *args: str) -> int:
if symtype == addrxlat.SYM_VALUE:
ms = gdb.lookup_minimal_symbol(args[0])
if ms is not None:
return int(ms.value().address)
elif symtype == addrxlat.SYM_SIZEOF:
sym = gdb.lookup_symbol(args[0], None)[0]
if sym is not None:
return sym.type.sizeof
elif symtype == addrxlat.SYM_OFFSETOF:
sym = gdb.lookup_symbol(args[0], None, gdb.SYMBOL_STRUCT_DOMAIN)[0]
if sym is None:
# this works for typedefs:
sym = gdb.lookup_symbol(args[0], None)[0]
if sym is not None:
ret = offsetof(sym.type, args[1], True)
if ret is None:
raise RuntimeError("offsetof can't return None with errors=True")
return super().cb_sym(symtype, *args)
def test_ulong_by_symbol(self):
t = gdb.lookup_global_symbol('global_ulong_symbol')
with self.assertRaises(ArgumentTypeError):
offset = offsetof(t, 'test_member')
def test_invalid_member(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'invalid_member')
def test_multi_level_lookup_invalid_first_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'test_member.next_component')
def test_invalid_python_type(self):
with self.assertRaises(ArgumentTypeError):
offset = offsetof(self, 'dontcare')
def test_embedded_struct_member2(self):
offset = offsetof(self.test_struct,
'embedded_struct_member.embedded_member2')
self.assertTrue(offset == 22 * self.ulongsize)
def test_anon_union_member1(self):
offset = offsetof(self.test_struct, 'anon_union_member1')
self.assertTrue(offset == 13 * self.ulongsize)
def test_anon_union_pointer_member2(self):
offset = offsetof(self.test_struct.pointer(), 'anon_union_member2')
self.assertTrue(offset == 13*self.ulongsize)
def test_anon_union_member1(self):
offset = offsetof(self.test_struct, 'anon_union_member1')
self.assertTrue(offset == 13*self.ulongsize)
def test_named_struct_pointer_member2(self):
offset = offsetof(self.test_struct.pointer(), 'named_struct.named_struct_member2')
self.assertTrue(offset == 8*self.ulongsize)
def test_named_struct_member1(self):
offset = offsetof(self.test_struct, 'named_struct.named_struct_member1')
self.assertTrue(offset == 7*self.ulongsize)
def test_named_struct(self):
offset = offsetof(self.test_struct, 'named_struct')
self.assertTrue(offset == 7*self.ulongsize)
def test_anon_struct_embedded_struct_list_prev(self):
offset = offsetof(self.test_struct.pointer(),
'anon_struct_embedded_struct.embedded_list.prev')
self.assertTrue(offset == 6*self.ulongsize)
def test_anon_struct_embedded_struct_list_prev(self):
offset = offsetof(self.test_struct.pointer(),
'anon_struct_embedded_struct.embedded_list.prev')
self.assertTrue(offset == 6 * self.ulongsize)
def test_named_struct_member1(self):
offset = offsetof(self.test_struct,
'named_struct.named_struct_member1')
self.assertTrue(offset == 7 * self.ulongsize)
def test_named_union_named_member2(self):
offset = offsetof(self.test_struct, 'named_union.named_union_member2')
self.assertTrue(offset == 17*self.ulongsize)
def test_named_union_named_member2(self):
offset = offsetof(self.test_struct, 'named_union.named_union_member2')
self.assertTrue(offset == 17 * self.ulongsize)
def test_named_union_anon_member2(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'named_union_member1')
def test_enum_lookup(self):
offset = offsetof(self.test_struct, 'enum_member')
self.assertTrue(offset == 26 * self.ulongsize)
def test_embedded_struct_member2(self):
offset = offsetof(self.test_struct,
'embedded_struct_member.embedded_member2')
self.assertTrue(offset == 22*self.ulongsize)
def test_multi_level_lookup_missing_first_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'missing.embedded_list.prev')
def test_embedded_struct_anon_member2(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'embedded_member2')
def test_multi_level_lookup_anon_union_missing_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(
self.test_struct,
'anon_union_embedded_struct.invalid.next_component')
def test_enum_lookup(self):
offset = offsetof(self.test_struct, 'enum_member')
self.assertTrue(offset == 26*self.ulongsize)
def test_ulong_by_name(self):
with self.assertRaises(ArgumentTypeError):
offset = offsetof('unsigned long', 'test_member')
def test_enum_invalid_lookup(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'enum_member.invalid')
def test_union_by_value(self):
t = gdb.lookup_global_symbol('global_union_symbol').value()
with self.assertRaises(ArgumentTypeError):
offset = offsetof(t, 'member1')
def test_multi_level_lookup_list_prev(self):
offset = offsetof(self.test_struct,
'embedded_struct_member.embedded_list.prev')
self.assertTrue(offset == 24*self.ulongsize)
def test_struct(self):
offset = offsetof(self.test_struct, 'test_member')
self.assertTrue(offset == 0)
def test_multi_level_lookup_missing_first_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'missing.embedded_list.prev')
def test_named_struct(self):
offset = offsetof(self.test_struct, 'named_struct')
self.assertTrue(offset == 7 * self.ulongsize)
def test_invalid_python_type(self):
with self.assertRaises(InvalidArgumentError):
offset = offsetof(self, 'dontcare')
def test_named_struct_pointer_member2(self):
offset = offsetof(self.test_struct.pointer(),
'named_struct.named_struct_member2')
self.assertTrue(offset == 8 * self.ulongsize)
def test_multi_level_lookup_missing_last_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct,
'embedded_struct_member.embedded_list.invalid')
def test_anon_union_pointer_member2(self):
offset = offsetof(self.test_struct.pointer(), 'anon_union_member2')
self.assertTrue(offset == 13 * self.ulongsize)
def test_multi_level_lookup_invalid_first_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'test_member.next_component')
def test_named_union_anon_member2(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'named_union_member1')
def test_multi_level_lookup_invalid_middle_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct,
'embedded_struct_member.embedded_member1.next_component')
def test_embedded_struct_anon_member2(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'embedded_member2')
def test_multi_level_lookup_anon_union_missing_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct,
'anon_union_embedded_struct.invalid.next_component')
def test_enum_invalid_lookup(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'enum_member.invalid')
def test_type_by_string_name(self):
offset = offsetof('struct test', 'test_member')
self.assertTrue(offset == 0)
def test_multi_level_lookup_list_prev(self):
offset = offsetof(self.test_struct,
'embedded_struct_member.embedded_list.prev')
self.assertTrue(offset == 24 * self.ulongsize)
def test_type_by_invalid_name(self):
with self.assertRaises(InvalidArgumentError):
offset = offsetof('struct invalid_struct', 'test_member')
def test_multi_level_lookup_missing_last_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct,
'embedded_struct_member.embedded_list.invalid')
def test_invalid_member(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(self.test_struct, 'invalid_member')
def test_multi_level_lookup_invalid_middle_component(self):
with self.assertRaises(InvalidComponentError):
offset = offsetof(
self.test_struct,
'embedded_struct_member.embedded_member1.next_component')
def test_struct_by_value(self):
val = gdb.lookup_global_symbol("global_struct_symbol").value()
offset = offsetof(val, 'test_member')
self.assertTrue(offset == 0)
def test_type_by_invalid_name(self):
with self.assertRaises(ArgumentTypeError):
offset = offsetof('struct invalid_struct', 'test_member')
def test_ulong_by_name(self):
with self.assertRaises(InvalidArgumentTypeError):
offset = offsetof('unsigned long', 'test_member')
def test_struct_by_value(self):
val = gdb.lookup_global_symbol("global_struct_symbol").value()
with self.assertRaises(ArgumentTypeError):
offset = offsetof(val, 'test_member')
def test_ulong_by_type_pointer(self):
t = gdb.lookup_type("unsigned long").pointer()
with self.assertRaises(InvalidArgumentTypeError):
offset = offsetof(t, 'test_member')
def test_ulong_by_type_pointer(self):
t = gdb.lookup_type("unsigned long").pointer()
with self.assertRaises(NotStructOrUnionError):
offset = offsetof(t, 'test_member')
def test_ulong_by_symbol(self):
t = gdb.lookup_global_symbol('global_ulong_symbol')
with self.assertRaises(InvalidArgumentTypeError):
offset = offsetof(t, 'test_member')
def test_void_pointer_by_value(self):
t = gdb.lookup_global_symbol('global_void_pointer_symbol').value()
with self.assertRaises(ArgumentTypeError):
offset = offsetof(t, 'test_member')
def test_void_pointer_by_value(self):
t = gdb.lookup_global_symbol('global_void_pointer_symbol').value()
with self.assertRaises(InvalidArgumentTypeError):
offset = offsetof(t, 'test_member')
def test_struct(self):
offset = offsetof(self.test_struct, 'test_member')
self.assertTrue(offset == 0)
def test_union_by_value(self):
t = gdb.lookup_global_symbol('global_union_symbol').value()
offset = offsetof(t, 'member1')
self.assertTrue(offset == 0)
