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| author | Phil Muldoon <pmuldoon@redhat.com> | 2009-09-21 09:32:28 +0000 |
|---|---|---|
| committer | Phil Muldoon <pmuldoon@redhat.com> | 2009-09-21 09:32:28 +0000 |
| commit | 2e4d963fb27e10835c44564788b9c3d25bc21119 (patch) | |
| tree | 86fc576d3de53a708a84367fd5300e3abfcba5ce /gdb/python/py-value.c | |
| parent | cdfbdf303db54c1ab1ef02a44872976e0f119530 (diff) | |
| download | gdb-2e4d963fb27e10835c44564788b9c3d25bc21119.zip gdb-2e4d963fb27e10835c44564788b9c3d25bc21119.tar.gz gdb-2e4d963fb27e10835c44564788b9c3d25bc21119.tar.bz2 | |
2009-09-21 Phil Muldoon <pmuldoon@redhat.com>
* python/py-value.c (valpy_getitem): Test value before allowing
subscript operation.
2009-09-21 Phil Muldoon <pmuldoon@redhat.com>
* gdb.python/py-value.exp (test_subscript_regression): New
function. Test for invalid subscripts.
* gdb.python/py-value.c (main): Add test array, and pointer to it.
(ptr_ref): New function.
Diffstat (limited to 'gdb/python/py-value.c')
| -rw-r--r-- | gdb/python/py-value.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gdb/python/py-value.c b/gdb/python/py-value.c index 3d88aa3..714aa11 100644 --- a/gdb/python/py-value.c +++ b/gdb/python/py-value.c @@ -324,7 +324,18 @@ valpy_getitem (PyObject *self, PyObject *key) type. */ struct value *idx = convert_value_from_python (key); if (idx != NULL) - res_val = value_subscript (tmp, value_as_long (idx)); + { + /* Check the value's type is something that can be accessed via + a subscript. */ + struct type *type; + tmp = coerce_ref (tmp); + type = check_typedef (value_type (tmp)); + if (TYPE_CODE (type) != TYPE_CODE_ARRAY + && TYPE_CODE (type) != TYPE_CODE_PTR) + error( _("Cannot subscript requested type")); + else + res_val = value_subscript (tmp, value_as_long (idx)); + } } } |