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This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
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Running the AdaCore internal test suite with -fgnat-encodings=minimal
found a gdb crash. The bug is that GDB ends up with a typedef in
ada_index_type, resulting in a NULL dereference.
This crash can be reproduced using GCC 11 with the included test case.
Tested on x86-64 Fedora 32. Because this is Ada-specific, and was
already reviewed by Joel, I am going to check it in.
2021-04-30 Tom Tromey <tromey@adacore.com>
* ada-lang.c (ada_index_type): Use ada_check_typedef.
gdb/testsuite/ChangeLog
2021-04-30 Tom Tromey <tromey@adacore.com>
* gdb.ada/enum_idx_packed/pck.ads (My_Enum, My_Array_Type)
(Confused_Array): New types.
* gdb.ada/enum_idx_packed/foo.adb (Confused_Array): New variable.
* gdb.ada/enum_idx_packed.exp: Add new tests.
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This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
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With current master I see a couple of KPASSes:
...
KPASS: gdb.ada/enum_idx_packed.exp: scenario=minimal: ptype small \
(PRMS minimal encodings)
...
KPASS: gdb.ada/mod_from_name.exp: scenario=minimal: print xp \
(PRMS minimal encodings)
KPASS: gdb.ada/pckd_arr_ren.exp: scenario=minimal: print var \
(PRMS minimal encodings)
...
The corresponding setup_kfail is called for everything before gnat 11.
However, the test-cases also PASS for me with gnat-4.8, gnat-7.5.0 and
gnat-8.4.0.
Fix the KPASSes by limiting the setup_kfail to gnat 9 and 10.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-11-23 Tom de Vries <tdevries@suse.de>
* gdb.ada/enum_idx_packed.exp: Limit setup_kfail to gnat 9 and 10.
* gdb.ada/mod_from_name.exp: Same.
* gdb.ada/pckd_arr_ren.exp: Same.
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A DWARF array type may specify a stride. Currently, the DWARF reader
applies this stride to every dimension of an array. However, this
seems incorrect to me -- only the innermost array ought to use the
stride, while outer arrays should compute a stride based on the size
of the inner arrays. This patch arranges to apply the stride only to
the innermost array type. This fixes a bug noticed when running some
Ada tests with -fgnat-encodings=minimal.
gdb/ChangeLog
2020-11-04 Tom Tromey <tromey@adacore.com>
* dwarf2/read.c (read_array_type): Only apply stride to innermost
array.
gdb/testsuite/ChangeLog
2020-11-04 Tom Tromey <tromey@adacore.com>
* gdb.ada/enum_idx_packed.exp: Add test.
* gdb.ada/enum_idx_packed/foo.adb (Multi_Access):
New variable.
* gdb.ada/enum_idx_packed/pck.ads (Short)
(Multi_Dimension, Multi_Dimension_Access): New types.
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With -fgnat-encodings=minimal, the enum_idx_packed.exp test will fail.
In this test case, we have an array (with dynamic length) of arrays,
and the inner array has a bit stride. In this situation, the outer
array's bit stride must be updated to account for the entire bit
length of the inner array.
Here, again, some tests must be kfail'd when an older version of GNAT
is in use.
gdb/ChangeLog
2020-11-04 Tom Tromey <tromey@adacore.com>
* gdbtypes.c (update_static_array_size): Handle bit stride.
gdb/testsuite/ChangeLog
2020-11-04 Tom Tromey <tromey@adacore.com>
* gdb.ada/enum_idx_packed.exp: Test two forms of -fgnat-encodings.
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Printing a multi-dimensional constrained packed array in Ada would not
show the correct values. The bug here is that, when decoding the type
of such an array, only the innermost dimension's element bitsize would
be correct. For outer dimensions, the bitsize must account for the
size of each sub-array, but this was not done.
This patch fixes the problem by arranging to compute these sizes after
decoding the array type. I've included a bit more test case than is
strictly necessary -- the current test here was derived from an
internal test, and this patch brings the two into sync.
gdb/ChangeLog
2020-11-04 Tom Tromey <tromey@adacore.com>
* ada-lang.c (recursively_update_array_bitsize): New function.
(decode_constrained_packed_array_type): Call it.
gdb/testsuite/ChangeLog
2020-11-04 Tom Tromey <tromey@adacore.com>
* gdb.ada/enum_idx_packed.exp: Add tests.
* gdb.ada/enum_idx_packed/foo.adb: Add variables.
* gdb.ada/enum_idx_packed/pck.adb: Add functions.
* gdb.ada/enum_idx_packed/pck.ads: Add types, function
declarations.
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gdb/ChangeLog:
Update copyright year range in all GDB files.
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This commit applies all changes made after running the gdb/copyright.py
script.
Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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gdb/ChangeLog:
Update copyright year range in all GDB files
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This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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gdb/ChangeLog:
Update year range in copyright notice of all files.
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gdb/ChangeLog:
Update year range in copyright notice of all files.
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Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
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* gdb.ada/aliased_array.exp: Use standard_ada_testfile.
* gdb.ada/array_bounds.exp: Use standard_ada_testfile.
* gdb.ada/array_return.exp: Use standard_ada_testfile.
* gdb.ada/array_subscript_addr.exp: Use standard_ada_testfile.
* gdb.ada/arrayidx.exp: Use standard_ada_testfile.
* gdb.ada/arrayparam.exp: Use standard_ada_testfile.
* gdb.ada/arrayptr.exp: Use standard_ada_testfile.
* gdb.ada/atomic_enum.exp: Use standard_ada_testfile.
* gdb.ada/bad-task-bp-keyword.exp: Use standard_ada_testfile.
* gdb.ada/bp_enum_homonym.exp: Use standard_ada_testfile.
* gdb.ada/bp_on_var.exp: Use standard_ada_testfile.
* gdb.ada/bp_range_type.exp: Use standard_ada_testfile.
* gdb.ada/call_pn.exp: Use standard_ada_testfile.
* gdb.ada/catch_ex.exp: Use standard_ada_testfile.
* gdb.ada/char_enum.exp: Use standard_ada_testfile.
* gdb.ada/char_param.exp: Use standard_ada_testfile.
* gdb.ada/complete.exp: Use standard_ada_testfile.
* gdb.ada/cond_lang.exp: Use standard_ada_testfile,
standard_output_file.
* gdb.ada/dyn_loc.exp: Use standard_ada_testfile.
* gdb.ada/enum_idx_packed.exp: Use standard_ada_testfile.
* gdb.ada/exec_changed.exp: Use standard_ada_testfile,
standard_output_file.
* gdb.ada/exprs.exp: Use standard_ada_testfile.
* gdb.ada/fixed_cmp.exp: Use standard_ada_testfile.
* gdb.ada/fixed_points.exp: Use standard_ada_testfile.
* gdb.ada/formatted_ref.exp: Use standard_ada_testfile.
* gdb.ada/frame_args.exp: Use standard_ada_testfile.
* gdb.ada/fullname_bp.exp: Use standard_ada_testfile.
* gdb.ada/fun_addr.exp: Use standard_ada_testfile.
* gdb.ada/fun_in_declare.exp: Use standard_ada_testfile.
* gdb.ada/funcall_param.exp: Use standard_ada_testfile.
* gdb.ada/homonym.exp: Use standard_ada_testfile.
* gdb.ada/info_locals_renaming.exp: Use standard_ada_testfile.
* gdb.ada/int_deref.exp: Use standard_ada_testfile.
* gdb.ada/interface.exp: Use standard_ada_testfile.
* gdb.ada/lang_switch.exp: Use standard_ada_testfile,
standard_output_file
* gdb.ada/mi_catch_ex.exp: Use standard_ada_testfile.
* gdb.ada/mi_task_arg.exp: Use standard_ada_testfile.
* gdb.ada/mi_task_info.exp: Use standard_ada_testfile.
* gdb.ada/mod_from_name.exp: Use standard_ada_testfile.
* gdb.ada/nested.exp: Use standard_ada_testfile.
* gdb.ada/null_array.exp: Use standard_ada_testfile.
* gdb.ada/null_record.exp: Use standard_ada_testfile.
* gdb.ada/operator_bp.exp: Use standard_ada_testfile.
* gdb.ada/packed_array.exp: Use standard_ada_testfile.
* gdb.ada/packed_tagged.exp: Use standard_ada_testfile.
* gdb.ada/print_chars.exp: Use standard_ada_testfile.
* gdb.ada/print_pc.exp: Use standard_ada_testfile.
* gdb.ada/ptr_typedef.exp: Use standard_ada_testfile.
* gdb.ada/ptype_field.exp: Use standard_ada_testfile.
* gdb.ada/ptype_tagged_param.exp: Use standard_ada_testfile.
* gdb.ada/rec_return.exp: Use standard_ada_testfile.
* gdb.ada/ref_param.exp: Use standard_ada_testfile.
* gdb.ada/ref_tick_size.exp: Use standard_ada_testfile.
* gdb.ada/same_enum.exp: Use standard_ada_testfile.
* gdb.ada/set_pckd_arr_elt.exp: Use standard_ada_testfile.
* gdb.ada/small_reg_param.exp: Use standard_ada_testfile.
* gdb.ada/start.exp: Use standard_ada_testfile.
* gdb.ada/str_ref_cmp.exp: Use standard_ada_testfile.
* gdb.ada/sym_print_name.exp: Use standard_ada_testfile.
* gdb.ada/taft_type.exp: Use standard_ada_testfile.
* gdb.ada/tagged.exp: Use standard_ada_testfile.
* gdb.ada/tagged_not_init.exp: Use standard_ada_testfile.
* gdb.ada/task_bp.exp: Use standard_ada_testfile.
* gdb.ada/tasks.exp: Use standard_ada_testfile.
* gdb.ada/tick_last_segv.exp: Use standard_ada_testfile.
* gdb.ada/type_coercion.exp: Use standard_ada_testfile.
* gdb.ada/uninitialized_vars.exp: Use standard_ada_testfile.
* gdb.ada/variant_record_packed_array.exp: Use standard_ada_testfile.
* gdb.ada/watch_arg.exp: Use standard_ada_testfile.
* gdb.ada/whatis_array_val.exp: Use standard_ada_testfile.
* gdb.ada/widewide.exp: Use standard_ada_testfile.
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Consider the following declarations (a packed array indexed by an
enumerated type):
type Color is (Black, Red, Green, Blue, White);
type Full_Table is array (Color) of Boolean;
pragma Pack (Full_Table);
Full : Full_Table := (False, True, False, True, False);
GDB is unable to print the index values correctly. It prints the
enumeration's underlying value instead of the enumeration name:
(gdb) p full
$1 = (0 => false, true, false, true, false)
(gdb) p full'first
$2 = 0
And yet, it is capable of printing the correct type description:
(gdb) ptype full
type = array (black .. white) of boolean <packed: 1-bit elements>
To get to the real index type, one has to follow the parallel XA type.
We already do this for normal arrays. We can do it for this packed
array as well.
gdb/ChangeLog:
* ada-lang.c (constrained_packed_array_type): If there is a
parallel XA type, use it to determine the array index type.
gdb/testsuite/ChangeLog:
* gdb.ada/arrayidx.exp: Adjust expected output for p_one_two_three.
* gdb.ada/enum_idx_packed: New testcase.
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