919e6dbe9b
This change is relevant only for standard DWARF (as opposed to the GNAT encodings extensions): at the time of writing it only makes a difference with GCC patches that are to be integrated: see in particular <https://gcc.gnu.org/ml/gcc-patches/2015-07/msg01364.html>. Given the following Ada declarations: type Small is mod 2 ** 6; type Array_Type is array (0 .. 9) of Small with Pack; type Array_Access is access all Array_Type; A : aliased Array_Type := (1, 2, 3, 4, 5, 6, 7, 8, 9, 10); AA : constant Array_Type := A'Access; Before this change, we would get the following GDB session: (gdb) print aa.all(2) $1 = 3 (gdb) print aa(2) $2 = 16 This is wrong: both expression should yield the same value: 3. The problem is simply that the routine which handles accesses to arrays lack general handling for packed arrays. After this patch, we have the expected output: (gdb) print aa.all(2) $1 = 3 (gdb) print aa(2) $2 = 3 gdb/ChangeLog: * ada-lang.c (ada_value_ptr_subscript): Update the heading comment. Handle packed arrays. gdb/testsuite/ChangeLog: * gdb.ada/access_to_packed_array.exp: New testcase. * gdb.ada/access_to_packed_array/foo.adb: New file. * gdb.ada/access_to_packed_array/pack.adb: New file. * gdb.ada/access_to_packed_array/pack.ads: New file. Tested on x86_64-linux, no regression. |
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